High-tooth crawler belt traveling mechanism suitable for traveling on deep-sea thin and soft substrate

Abstract

The utility model discloses a high-tooth crawler belt running mechanism suitable for running on deep-sea thin and soft substrates. The high-tooth crawler belt running mechanism comprises a high-tooth crawler belt, a spraying mechanism, a vibration excitation riding wheel set, a vibration isolation plate and a crawler belt plate limiting device. The high-tooth track runs on deep-sea thin and soft substrates, the spraying mechanism and the shock excitation riding wheel set are arranged on a track frame of the high-tooth track, and the spraying mechanism generates high-energy jet flow to preliminarily remove sediments on the high-tooth track. The excitation riding wheel group vibrates the high-tooth crawler belt through the rotation of the eccentric component and deeply removes sediments on the high-tooth crawler belt; a vibration isolation plate is arranged at the contact position of the excitation riding wheel seat and the track frame; track shoe limiters are arranged on the two sides of the excitation riding wheel set. The mechanism takes high-frequency excitation as a main part and high-pressure jet spraying as an auxiliary part to remove compacted sediments, so that the energy consumption is reduced; and meanwhile, the surface viscous force of the compacted sediments on the crawler teeth is destroyed, adhered objects on the surfaces of the crawler teeth are fully removed, and the driving force of the crawler is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of deep sea mining, in particular to a high-tooth crawler travelling mechanism suitable for travelling on deep sea soft bottom. Background Art

[0002] The vast deep seabed is mostly covered with soft sediments, but the surface or deep layers of the sediments are rich in mineral resources. In order to obtain mineral resources on the surface of the sediments, deep-sea mining vehicles suitable for soft bottoms are usually used. One of the biggest features of the mining vehicle is that its driving track adopts a high-tooth structure, which uses high teeth to insert into the sediments and generates driving force by shearing the soft bottom sediments. However, due to the formation of a semi-enclosed cavity between the two high teeth and the track shoes, the soft bottom sediments after walking and compaction adhere to the semi-enclosed cavity, and a large amount of compacted sediments adhere to the surface of the track and rotate with the track throughout the whole process. When the high-tooth track contacts the sediment again and inserts, the compacted sediment reduces the insertion depth of the high teeth, which in turn reduces the driving force of the mining vehicle, causing the mining vehicle to slip in place, seriously affecting the driving operation of the deep-sea mining vehicle.

[0003] Most existing technical solutions use high-pressure water jets to wash the tracks, thereby removing sticky and compacted sediments on the track surface. However, deep-sea mining vehicles operate in deep seabed water environments, and water jets have severe energy attenuation in water environments. Using high-power jets to wash the tracks takes up a lot of power in the mining vehicle and has a poor debonding effect. There are still a lot of sediments adhering to the surface of the track teeth, especially the sediments at the roots of the high teeth that have been compacted multiple times and cannot be removed at all. Utility Model Content

[0004] The main purpose of the utility model is to provide a high-tooth crawler traveling mechanism which can completely remove the sediments at the root of the high-tooth crawler and is suitable for traveling on deep-sea soft bottom.

[0005] The utility model provides a high-tooth track travel mechanism suitable for traveling on deep-sea sparse and soft bottom, comprising a high-tooth track, a jet mechanism, a vibration roller group, a vibration isolation plate and a track plate limiter; the high-tooth track travels on the deep-sea sparse and soft bottom, the jet mechanism and the vibration roller group are arranged on the track frame of the high-tooth track, the jet mechanism generates a high-energy jet to preliminarily remove the sediment on the high-tooth track, the vibration roller group generates vibration on the high-tooth track through the rotation of an eccentric component and deeply removes the sediment on the high-tooth track; the contact position between the vibration roller seat and the track frame is provided with a vibration isolation plate; track plate limiters are arranged on both sides of the vibration roller group.

[0006] In one embodiment of the above-mentioned mechanism, the high-tooth track includes a track frame, a driving wheel, a driven wheel, a supporting roller, a supporting roller, a chain, a track shoe and high teeth; the track frame is a rectangular frame, and a driving wheel is fixed on both sides of the rear end, and driven wheels are fixed on both sides of the front end of the track frame; the driving wheel is a gear structure, and the driven wheel is a pulley groove structure; a plurality of groups of supporting rollers are arranged at the bottom end of the track frame through the lower beam, and a plurality of groups of supporting rollers are arranged at the top end of the track frame through the upper beam; the chain is connected to the track shoe, and two chains are arranged in parallel on the same track shoe; the two chains are respectively meshed with the driving wheel and the driven wheel and are in contact with the supporting roller and the supporting roller; the high teeth are fixed to a single track shoe, and the track shoe is disconnected in the middle.

[0007] In one embodiment of the above-mentioned mechanism, the spray mechanism includes a spray bracket, a spray head and a water inlet pipe; the spray bracket is fixed on the driving wheel side of the crawler frame, and a plurality of spray heads with adjustable nozzle spray angles are evenly and parallelly installed on the spray bracket; each spray head is connected to the water inlet pipe, and the water inlet pipe is connected to the water supply tank.

[0008] In one embodiment of the above-mentioned mechanism, the spray mechanism is provided with two groups, namely a primary spray mechanism and a secondary spray mechanism; the spray bracket of the primary spray mechanism is fixed on the driving wheel side of the track frame, and the spray bracket of the secondary spray mechanism is tilted and fixed on the position of the track frame closest to the vibration support wheel group from the fixed wheel side.

[0009] In one embodiment of the above mechanism, the vibration roller group includes a motor, a flexible coupling, a vibration roller seat and an eccentric gear; the motor is a high-speed double-outlet hydraulic motor, fixed to the middle part of the width direction of the upper beam of the track frame, and the protruding shafts on both sides of the motor are respectively connected to the input shafts of the vibration roller seats on both sides of the width direction of the upper beam of the track frame through flexible couplings; two meshing eccentric gears are arranged inside the vibration roller seat, and the input shaft of the vibration roller seat is connected to one of the eccentric gears, and drives the two eccentric gears to rotate in opposite directions at the same time; the disk of the eccentric gear is divided into five equal parts, four of which are hollow and one is solid; the positions of the solid disks of the two eccentric gears are symmetrical about the center point of meshing.

[0010] In one embodiment of the above mechanism, the inner cavity of the excitation roller seat is filled with oil, the air in the cavity is discharged through the exhaust hole opened at the top, and is connected to the pressure compensator through the oil filling port opened on the side wall close to the motor side.

[0011] In one embodiment of the above mechanism, a rectangular mounting seat with an open top is fixed to both sides of the upper beam of the crawler frame in the width direction, and a supporting roller is arranged in the mounting seat, and a raised ring is arranged in the center of the supporting roller.

[0012] In one embodiment of the above mechanism, three groups of exciting roller groups are evenly arranged at a certain distance at the center position of the crawler frame in the length direction.

[0013] In one embodiment of the above-mentioned mechanism, the track shoe limiter includes a track limit bracket and a wear-resistant rubber block; the track limit bracket is an L-shaped plate, and a lip-shaped stop is provided at its upper end, and two wear-resistant rubber blocks facing each other up and down are arranged at the lip-shaped stop; the track shoe limiter is fixed on the track frame, and the two track shoe limiters clamp the exciting roller assembly on the left and right, and the lip-shaped stop of the track shoe limiter is inserted into the track shoe.

[0014] The beneficial effects of the utility model are:

[0015] The compacted sediments are removed mainly by high-frequency excitation and supplemented by high-pressure jet blasting, which reduces the use of high-pressure jets, avoids excessive attenuation of energy in water, overcomes the problem of low energy utilization, and reduces energy consumption; at the same time, it fundamentally destroys the surface adhesion of compacted sediments to the track teeth, more fully removes the adhesion on the surface of the track teeth, improves the track de-adhesion effect, ensures that the high-tooth track can shear the sediment normally, ensures the driving force of the track, greatly reduces the risk of slipping and sinking, and improves the driving efficiency of deep-sea mining vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the axonometric structure of an embodiment of the utility model.

[0017] Figure 2 for Figure 1 Schematic diagram of the front view structure.

[0018] Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure at AA.

[0019] Figure 4 for Figure 3 Enlarged structural diagram of the middle excitation roller group.

[0020] Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure at BB in the middle. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the relevant technical solutions. Obviously, the described embodiments are only part of the embodiments, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1 As shown, the high-tooth track travel mechanism suitable for traveling on deep-sea soft bottom disclosed in this embodiment includes a high-tooth track 1, a jet mechanism 2, a vibration support wheel group 3 and a track shoe limiter 4.

[0023] like Figure 2 As shown, the high-tooth track 1 includes a track frame 11, a driving wheel 12, a driven wheel 13, a supporting wheel 14, a supporting wheel 15, a chain 16, a track shoe 17 and a high tooth 18.

[0024] The crawler frame 11 is a rectangular frame, with a driving wheel 12 fixed on both sides of the rear end, and a driven wheel 13 fixed on both sides of the front end of the crawler frame; the driving wheel is a gear structure, and the driven wheel is a pulley groove structure.

[0025] The bottom end of the crawler frame 11 is provided with a plurality of supporting rollers 14 through a lower beam, and the top end of the crawler frame 11 is provided with a plurality of supporting rollers 15 through an upper beam.

[0026] The two sides of the chain 16 in the length direction have clamping edges for limiting. The chain is connected to the track shoe 17 by bolts, and two chains are arranged in parallel on the same track shoe. The two chains are respectively meshed with the driving wheel 12 and the driven wheel 13 and contact with the supporting wheel 14 and the supporting wheel 15.

[0027] The driving wheel is used to drive the chain to drive the track plate to rotate, the driven wheel is used to limit and guide the chain, the supporting wheel plays a load-bearing role, and the supporting wheel can support the loose part of the upper track chain.

[0028] The high teeth 18 are fixed to a single track shoe 17 by bolts, and the track shoe is then disconnected in the middle to facilitate mud discharge.

[0029] The spray mechanism 2 includes a spray bracket 21 and a water inlet pipe 22 .

[0030] The spray bracket 21 is horizontally fixed to the driving wheel side of the crawler frame by bolts, and multiple spray heads are evenly installed on the spray bracket in parallel, and the spray angle of the nozzle can be adjusted. All the spray heads are connected to the water inlet pipe 22, and the water inlet pipe is connected to the jet high-pressure water supply tank.

[0031] There are two groups of spraying mechanisms 2, namely the primary spraying mechanism and the secondary spraying mechanism. The spraying bracket of the primary spraying mechanism is horizontally fixed to the driving wheel side of the crawler frame by bolts, and the spraying bracket of the secondary spraying mechanism is tilted and fixed to the position of the crawler frame closest to the exciting support wheel group 3 from the fixed wheel side by bolts.

[0032] Combination Figure 3 and Figure 4 It can be seen that the vibration roller assembly 3 includes a motor 31 , a flexible coupling 32 , a vibration roller seat 33 , an eccentric gear 34 , a roller roller 35 and a vibration isolation plate 36 .

[0033] The motor 31 is a high-speed double-head hydraulic motor, which is fixed to the middle of the width direction of the upper beam of the crawler frame 11. The two side extension shafts of the motor are connected to the input shafts of the excitation roller seats 33 on both sides of the width direction of the upper beam of the crawler frame through flexible couplings 32. The flexible coupling can mitigate impact and absorb vibration.

[0034] The top end of the exciting roller seat 33 contacts the bottom end of the track shoe 17 .

[0035] like Figure 5 As shown, two meshing eccentric gears 34 are arranged inside the exciting roller seat 33, and the input shaft of the exciting roller seat is connected to one of the eccentric gears, and drives the two eccentric gears to rotate in opposite directions at the same time.

[0036] The disc of the eccentric gear 34 is divided into five equal parts, four of which are hollow and one is solid. The positions of the solid discs of the two eccentric gears are symmetrical about the center point of meshing.

[0037] When the motor belt 31 drives the two meshing eccentric gears 34 to rotate, the centrifugal force generated by the rotation of the two solid disks drives the vibration roller seat 33 to vibrate; at the same time, since the two eccentric gears are symmetrically arranged, the centrifugal forces in the left and right directions are offset, so that the vibration roller seat will only produce up and down vibrations in the end.

[0038] The inner cavity of the exciting wheel seat 33 is filled with oil, and the air in the cavity is discharged through the exhaust hole opened at the top, and is connected to the pressure compensator through the oil filling port opened on the side wall near the motor side to perform deep water pressure compensation.

[0039] A vibration isolation plate 36 is provided at the contact position between the vibration roller seat 33 and the track frame 11. The vibration isolation plate isolates the high-frequency vibration of the vibration roller seat from the track frame and transmits it only to the upper track.

[0040] A rectangular mounting seat with an open top is fixed on both sides of the width direction of the upper beam of the track frame 11, and a roller 35 is arranged in the mounting seat, and a raised ring is arranged in the center of the roller 35. When the track chain is placed on the upper end of the roller, the raised ring is sandwiched by the chain, which guides and limits the chain, and at the same time, the two ends of the roller contact the inner and outer chain plates and support the chain track.

[0041] Three groups of exciting roller groups 3 are evenly arranged at a certain distance at the center position of the crawler frame 11 in the length direction.

[0042] like Figure 3 As shown, the track shoe limiter 4 includes a track limit bracket 41 and a wear-resistant rubber block 42 .

[0043] The track limiting bracket 41 is an L-shaped plate, and a lip-shaped stopper is provided at the upper end thereof. Two wear-resistant rubber blocks 42 facing each other are arranged at the lip-shaped stopper.

[0044] The track shoe limiter 4 is connected to the track frame 11 by bolts and is placed at the same track section position as each vibration roller assembly 3. The two track shoe limiters clamp the vibration roller assembly on the left and right, and the lip stop of the track shoe limiter is inserted into the track shoe side plate for a certain distance. When the track shoe is subjected to high-frequency vibration, the track is limited up and down at the vibration location through the lip stop. The wear-resistant rubber block 42 is used to buffer the track vibration.

[0045] When the high-tooth crawler travel mechanism is used to travel forward on a thin and soft sediment bottom, due to the driving effect of the driving wheel, the crawler shoe that is trapped in the sediment moves toward the driving wheel side, and the loose crawler shoe on the upper part of the crawler moves toward the driven wheel.

[0046] The crawler with compacted sediments attached at the lower end starts to move upward away from the seabed sediments on the driving wheel side. When it reaches the vicinity of the first jet mechanism, the first jet mechanism with adjusted angle starts to jet with high-pressure water. Under the action of jet jet and the gravity of the sediments themselves, large chunks of adhered sediments begin to fall off, and some compacted sediments and sediments at the roots of high teeth are still attached to the track surface and rotate with the track.

[0047] When the track with attached sediments reaches the vibration roller position, the track's deadweight is close to the vibration roller group, and the vibration roller group generates a high-frequency micro-vibration source and transmits this excitation force to the inside of the track structure, causing the track and its attachments to perform high-frequency micro-vibration, destroying the surface tension of the compacted sediments, so that the attached sediments loosen and fall off the track surface. After multiple vibrations, the attached compacted sediments are basically separated from the surface of the track teeth, and after the secondary jet spraying, the attached sediments of the entire track can be completely removed.

[0048] The advantages of using this travel mechanism are:

[0049] This mechanism mainly uses high-frequency excitation and supplemented by high-pressure jet blasting to remove compacted sediments, which reduces the use of high-pressure jets, avoids excessive attenuation of energy in water, overcomes the problem of low energy utilization, and reduces energy consumption; at the same time, it fundamentally destroys the surface adhesion of compacted sediments to the track teeth, more fully removes adhesions on the surface of the track teeth, improves the track de-adhesion effect, ensures that the high-tooth track can shear sediments normally, ensures the driving force of the track, greatly reduces the risk of slipping and sinking, and improves the driving efficiency of deep-sea mining vehicles.

[0050] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although detailed descriptions are made with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high-tooth crawler travel mechanism suitable for traveling on deep-sea soft bottom, characterized in that: It includes a high-tooth track, a jet mechanism, a vibration-exciting supporting wheel set, a vibration isolation plate and a track shoe limiter; The high-tooth track travels on the soft and sparse bottom of the deep sea. The jet mechanism and the vibration roller group are arranged on the track frame of the high-tooth track. The jet mechanism generates high-energy jets to preliminarily remove the sediments on the high-tooth track. The vibration roller group generates vibrations on the high-tooth track and deeply removes the sediments on the high-tooth track through the rotation of the eccentric component; a vibration isolation plate is arranged at the contact position between the vibration roller seat and the track frame; track plate limiters are arranged on both sides of the vibration roller group.

2. The high-tooth crawler travel mechanism suitable for deep-sea soft bottom travel as claimed in claim 1, characterized in that: The high-tooth crawler includes a crawler frame, a driving wheel, a driven wheel, a supporting wheel, a supporting wheel, a chain, a crawler shoe and high teeth; The track frame is a rectangular frame, with a driving wheel fixed on both sides of the rear end, and driven wheels fixed on both sides of the front end of the track frame; the driving wheel is a gear structure, and the driven wheel is a pulley groove structure; a plurality of groups of supporting rollers are arranged at the bottom end of the track frame through the lower beam, and a plurality of groups of supporting rollers are arranged at the top end of the track frame through the upper beam; the chain is connected to the track shoe, and two chains are arranged in parallel on the same track shoe; the two chains are respectively meshed with the driving wheel and the driven wheel and are in contact with the supporting rollers and the supporting rollers; the high teeth are fixed to a single track shoe, and the track shoe is disconnected in the middle.

3. The high-tooth crawler travel mechanism suitable for traveling on deep-sea soft bottom as claimed in claim 1, characterized in that: The spray mechanism includes a spray bracket, a spray head and a water inlet pipe; The spray bracket is fixed on the driving wheel side of the crawler frame, and multiple spray heads with adjustable nozzle spray angles are evenly and parallelly installed on the spray bracket; each spray head is connected to a water inlet pipe, and the water inlet pipe is connected to a water supply tank.

4. The high-tooth crawler travel mechanism suitable for traveling on deep-sea soft bottom as claimed in claim 3, characterized in that: The spray mechanism is provided with two groups, namely the primary spray mechanism and the secondary spray mechanism; the spray bracket of the primary spray mechanism is fixed on the driving wheel side of the crawler frame, and the spray bracket of the secondary spray mechanism is tilted and fixed on the position of the crawler frame closest to the vibration supporting wheel group from the fixed wheel side.

5. The high-tooth crawler travel mechanism suitable for traveling on deep-sea soft bottom as claimed in claim 1, characterized in that: The vibration supporting wheel assembly comprises a motor, a flexible coupling, a vibration supporting wheel seat and an eccentric gear; The motor is a high-speed double-outlet hydraulic motor, which is fixed in the middle of the width direction of the crawler frame upper beam. The protruding shafts on both sides of the motor are connected to the input shafts of the vibration roller seats on both sides of the width direction of the crawler frame upper beam through flexible couplings; two meshing eccentric gears are arranged inside the vibration roller seat, and the input shaft of the vibration roller seat is connected to one of the eccentric gears, and drives the two eccentric gears to rotate in opposite directions at the same time; the disc of the eccentric gear is divided into five equal parts, four of which are hollow and one is solid; the positions of the solid discs of the two eccentric gears are symmetrical about the center point of meshing.

6. The high-tooth crawler travel mechanism suitable for traveling on deep-sea soft bottom as claimed in claim 5, characterized in that: The inner cavity of the vibration supporting wheel seat is filled with oil, and the air in the cavity is discharged through the exhaust hole opened at the top, and is connected to the pressure compensator through the oil filling port opened on the side wall close to the motor side.

7. The high-tooth crawler travel mechanism suitable for traveling on deep-sea soft bottom as claimed in claim 5, characterized in that: A rectangular mounting seat with an open top is respectively fixed on both sides of the width direction of the upper beam of the crawler frame, and a supporting roller is arranged in the mounting seat, and a raised circular ring is arranged in the center of the supporting roller.

8. The high-tooth crawler travel mechanism suitable for traveling on deep-sea soft bottom as claimed in claim 5, characterized in that: Three groups of exciting wheel groups are evenly arranged at a certain distance at the center position of the crawler frame in the length direction.

9. The high-tooth crawler travel mechanism suitable for traveling on deep-sea soft bottom as claimed in claim 5, characterized in that: The track shoe limiter comprises a track limit bracket and a wear-resistant rubber block; The track limit bracket is an L-shaped plate with a lip-shaped stop at the upper end, and two wear-resistant rubber blocks facing each other are arranged at the lip-shaped stop; the track shoe limiter is fixed on the track frame, and the two track shoe limiters clamp the vibration support wheel assembly on the left and right, and the lip-shaped stop of the track shoe limiter is inserted into the track shoe.

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