CN116201192B - Deep water oil cylinder ratchet wheel roller walking driving device - Google Patents
Deep water oil cylinder ratchet wheel roller walking driving device Download PDFInfo
- Publication number
- CN116201192B CN116201192B CN202310476131.6A CN202310476131A CN116201192B CN 116201192 B CN116201192 B CN 116201192B CN 202310476131 A CN202310476131 A CN 202310476131A CN 116201192 B CN116201192 B CN 116201192B
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- driving
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- wheel shaft
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/006—Dredgers or soil-shifting machines for special purposes adapted for working ground under water not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2253—Controlling the travelling speed of vehicles, e.g. adjusting travelling speed according to implement loads, control of hydrostatic transmission
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides a deep water oil cylinder ratchet wheel roller walking driving device, which comprises a driving box, a driving source, two travelling wheels and a transmission mechanism, wherein the driving source comprises a piston oil cylinder, a swinging rod, a pawl ratchet wheel mechanism and a driving wheel shaft, a pawl and pawl spring assembly of the pawl ratchet wheel mechanism is fixed on the swinging rod, a ratchet wheel is fixed on the driving wheel shaft, and the transmission mechanism synchronously transmits the power of the driving wheel shaft to the two travelling wheels; the driving device adopts the piston oil cylinder to drive the ratchet clamping jaw to rotate, converts linear motion into rotation angle power, realizes driving of the walking wheel, replaces a hydraulic motor in the prior art, has lower requirement on sealing of the driving wheel shaft, and has a sealing structure that the sealing of the driving wheel shaft and the sealing of the driving wheel cylinder serving as a power source are independently realized.
Description
Technical Field
The invention belongs to the technical field of deep sea traveling devices, and particularly relates to a deep water oil cylinder ratchet wheel roller traveling driving device.
Background
The driving mode of the power driving device of the submarine trenching equipment is divided into a passive driving mode and an active driving mode, wherein the passive driving mode is to realize the movement by dragging a skid or a tire of the underwater equipment through a steel rope on an engineering ship; the active driving is realized by a hydraulic motor and a speed reducer under water; the disadvantage of passive driving is that the equipment is easily lifted due to the fact that the water depth steel cable is too short, the steel cable is greatly influenced by the buoyancy of the water depth and the disturbance force of the water flow, and the traction action accuracy is poor; the hydraulic motor is used as an active driving power source, and the hydraulic motor has higher failure rate due to higher water pressure in the deep water region of the seabed, so that the sealing element of the output shaft of the hydraulic motor is required to bear internal working oil pressure when the hydraulic motor works, and the problem that the shaft seal is invalid is easily generated under the action of external deep water high pressure, thereby causing the failure of the hydraulic motor to work normally.
Disclosure of Invention
The invention aims to provide a deepwater oil cylinder ratchet wheel roller walking driving device, which aims to solve the problems in the background technology.
The technical scheme of the invention is realized as follows:
the driving box comprises a piston cylinder, a swinging rod driven by the piston cylinder to swing, a pawl ratchet mechanism driven by the swinging rod and a driving wheel shaft, wherein a pawl and pawl spring assembly of the pawl ratchet mechanism are fixed on the swinging rod, a ratchet wheel meshed with the pawl for intermittent transmission is fixed on the driving wheel shaft, one end of the swinging rod is hinged with the end part of a piston rod of the piston cylinder, the other end of the swinging rod is rotatably fixed on the driving wheel shaft through a bearing, the driving mechanism synchronously transmits the power of the driving wheel shaft to the two walking wheels, the two walking wheels are symmetrically positioned on two sides of the center of gravity line of the driving box, and a frame connecting flange positioned on the center of gravity line of the driving box is further arranged on the driving box.
Preferably, the driving source comprises two piston cylinders, two swinging rods, two pawls, two pawl spring assemblies and a ratchet wheel, wherein the two piston cylinders are arranged up and down and are respectively positioned at two sides of the ratchet wheel, and the driving box is integrally formed with a first mounting shell barrel and a second mounting shell barrel which are respectively used for inserting and mounting the two piston cylinders.
More preferably, the travelling wheel comprises a hub, two side check rings formed by extending the edges of the two sides of the hub and a plurality of wheel webs arrayed along the circumference of the outer circular surface of the hub, wherein the check rings and the outer circular surface of the hub form a ring groove, and the wheel webs divide the ring groove into a plurality of fan-shaped mud grabbing grooves which are uniformly distributed in a ring shape.
Further preferably, the transmission mechanism is a driving sprocket synchronously rotating with the driving wheel shaft, two driven sprockets synchronously rotating with the two travelling wheels respectively, and a transmission chain for transmitting and connecting the driving sprocket and the driven sprocket, the transmission chain is provided with a shifting plate perpendicular to the surface of the transmission chain, and the radial distance from the end part of the shifting plate to the rotation center of the driven sprocket is larger than the radius of the outer circular surface of the hub and smaller than the radial distance from the outer edge of the spoke to the rotation center of the travelling wheels.
Further preferably, one side of the driving box is provided with a mounting hole, the other side of the driving box is provided with a shaft hole, the driving wheel shaft extends out of the shaft hole and is fixedly connected with a driving sprocket outside the driving box, the mounting hole and the shaft hole are covered by a sealing structure, and the sealing structure comprises a cover plate detachably connected with the driving box, a sealing balance film for sealing an orifice, a balance spring for elastically pressing the inner side surface of the sealing balance film and a spring base plate for uniformly acting the elastic force of the balance spring on the inner side surface of the sealing balance film.
Still preferably, the dustproof structure for filling the gap between the driving wheel axle and the sealing structure is further arranged on the axle hole, the dustproof structure comprises an elastic dustproof ring sleeved on the driving wheel axle, an elastic assembly elastically pressing the outer end of the elastic dustproof ring, and a sealing transition ring sleeved on and positioned on the driving wheel axle, the inner end surface of the elastic dustproof ring is pressed against the sealing transition ring, the elastic dustproof ring is of an inner ring and outer ring detachable combined structure, and the sealing balance film is clamped between the inner ring and the outer ring of the elastic dustproof ring.
Further preferably, the cylinder mouth of the first installation cylinder and the cylinder mouth of the second installation cylinder are sealed through a cylinder mouth sealing structure, the bottom end of the piston cylinder is flush with the cylinder mouth, the cylinder mouth sealing structure comprises an outer ring pressing ring detachably connected with the cylinder mouth, an inner ring pressing ring detachably connected with the bottom end of the piston cylinder and a sealing loose joint film, the outer edge of the sealing loose joint film is pressed between the cylinder mouth and the outer ring pressing ring, an inner hole is formed in the sealing loose joint film, and the edge of the inner hole is pressed between the bottom end of the piston cylinder and the inner ring pressing ring.
Compared with the prior art, the walking driving device has the following beneficial effects:
1. the driving device adopts the piston cylinder to drive the ratchet clamping jaw to rotate, converts linear motion into rotation angle power, realizes the driving of the walking wheel, can replace a hydraulic motor in the prior art to serve as driving power, and is mechanically connected with a driving wheel shaft serving as a power output part and the piston cylinder serving as a power source through a ratchet, so that the requirement on sealing of the driving wheel shaft is low, and the sealing of the driving wheel shaft and the sealing of the piston cylinder serving as the power source are two sealing structures which are independently realized;
2. the mounting hole and the shaft hole of the driving box are sealed through a sealing structure, the sealing structure adopts elastic compression sealing, the deformation of the sealing balance film is preset through a spring, the sealing balance film can be supported when in deep water high pressure, meanwhile, the deformation of the sealing balance film on one side is prevented from being too large, the deformation of the sealing balance film under the deep water high pressure for a long time is prevented, and the sealing balance film is converted into plastic deformation from elastic deformation, so that the problem of sealing failure is avoided;
3. the wheel web and the retainer ring of the travelling wheel can be inserted into the ground sediment to grasp the ground when the travelling wheel is travelling, meanwhile, the shifting plate is arranged on the transmission chain, the auxiliary grabbing of the crawler belt function can be realized, when the seabed ground is softer, the auxiliary shifting plate at the lower horizontal section of the transmission chain is inserted into the sediment to increase the grabbing force in order to prevent the insufficient grabbing capacity of the travelling wheel from slipping.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a front view of a travel drive of the present invention;
FIG. 2 is a top view of the travel drive of the present invention;
FIG. 3 is an enlarged view of a portion of the portion I of FIG. 2;
fig. 4 is a partial enlarged view at II in fig. 2.
In the figure: 1. a drive box; 11. a first mounting shell; 12. a second mounting shell; 13. a nozzle sealing structure; 131. an outer ring compression ring; 132. sealing the loose joint film; 133. an inner ring press ring; 2. a first driving source; 21. a piston cylinder; 22. a swinging rod; 23. a pawl; 24. a pawl spring assembly; 25. a ratchet wheel; 26. an oil cylinder fixing shaft; 3. a second driving source; 31. an oil cylinder; 32. a large cavity oil port; 33. a small cavity oil port; 34. a small cavity oil path; 4. a walking wheel; 41. a hub; 42. a wheel web; 43. a retainer ring; 5. a driven sprocket; 51. driven wheel axle; 52. a support sleeve; 53. an oiling assembly; 531. an oil cup sealing seat; 532. an oil cup sealing cap; 533. a joint type oil filling cup; 534. an oil cup gasket; 6. a drive chain; 61. a poking plate; 7. a frame connecting flange; 8. a sealing structure; 81. a cover plate; 82. sealing the balance film; 83. a spring backing plate; 84. a balance spring; 9. a dust-proof structure; 91. a drive bearing; 92. a seal base; 93. a sealing transition ring; 94. a spring gland; 95. a dust-proof spring; 96. a spring seal seat; 97. an elastic dustproof ring; 10. a drive sprocket; 101. and a driving wheel shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The deep water cylinder ratchet wheel 25 roller walking driving device shown in figures 1-4 is used as power configuration of a seabed operation device, such as trenching equipment and the like, and is required to be symmetrically arranged at two sides of the seabed operation device in pairs, the driving device adopts a single rod piston oil cylinder 21 as a driving power source to replace a hydraulic motor in the prior art, the driving device comprises a driving box 1, a driving source arranged in the driving box 1, two walking wheels 4 and a transmission mechanism for transmitting the driving source power to the walking wheels 4, the seabed operation device is assembled on the driving device through a frame connecting flange 7 positioned at the front side of the driving box 1, the center of the frame connecting flange 7 is positioned on a gravity center line, the walking wheels 4 are positioned at the rear side of the driving box 1 and are symmetrically distributed at the left side and the right side of a gravity center line of the driving box 1 so as to improve walking stability, the driving source comprises a piston cylinder 21, a swinging rod 22 driven by the piston cylinder 21 to swing at a fixed swinging angle, a pawl ratchet mechanism driven by the swinging rod 22 and a driving wheel shaft 101, wherein the specific components of the pawl ratchet mechanism are the prior art, and are not repeated herein, wherein at least one piston cylinder 21 is horizontally arranged, in order to reduce the intermittent walking time when only one piston cylinder 21 is adopted, two piston cylinders 21 are preferably arranged correspondingly, two swinging rods 22, two pawls 23 and two pawl spring assemblies 24 are correspondingly arranged, the two piston cylinders 21 are arranged up and down and are respectively positioned at two sides of a ratchet wheel 25, the upper piston cylinder 21 is horizontally transversely arranged above the ratchet wheel 25, in order to reserve a sufficient amount of rack space below the driving box 1, the lower piston cylinder 21 is obliquely arranged, the bottom end of the lower piston cylinder 21 is inclined upwards by 45-60 degrees, the hydraulic oil way is controlled by the offshore control system to enable the two piston cylinders 21 to drive the pawls 23 to stir the ratchet wheel 25 to rotate in one direction in turn, as shown in fig. 1, one end of the swinging rod 22 is hinged with the end part of a piston rod of the piston cylinder 21, the other end of the swinging rod is rotatably fixed on the driving wheel shaft 101 through a bearing, the pawls 23 and the pawl spring assembly 24 of the pawl ratchet mechanism are both fixed on the swinging rod 22 and can synchronously swing along with the swinging rod 22, the swinging rod 22 can reciprocate under the action of the piston rod and has a working stroke and a reset stroke, the working stroke and the reset stroke of the two swinging rods 22 are mutually arranged, namely, when one swinging rod 22 is positioned in the working stroke, the other swinging rod 22 is positioned in the reset stroke to obtain smooth and intermittent-time short walking driving force, the ratchet wheel 25 is fixed on the driving wheel shaft 101 to drive the driving wheel shaft 101 to synchronously rotate, and the transmission mechanism synchronously transmits the power of the driving wheel shaft 101 to the two walking wheels 4;
in this embodiment, in order to improve the ground grabbing capability of the road wheel 4, unlike the road wheel 4 in the prior art, the road wheel 4 in this embodiment is not provided with an air tire, a water tire or a crawler belt, referring again to fig. 1-2, the road wheel 4 includes a hub 41, two side check rings 43 formed by extending the front and rear side edges of the hub 41 outwards, and a plurality of wheel spokes 42 arrayed along the circumference of the outer side surface of the hub 41, the check rings 43 and the outer side surface of the hub 41 form a ring groove, the wheel spokes 42 are radially arranged and divide the ring groove into a plurality of uniformly annular distributed fan-shaped mud grabbing grooves, during walking, the wheel spokes 42 and the check rings 43 directly contact the seabed ground and are inserted into the ground sediment, in addition, as a technical scheme for further improving the ground grabbing capability and increasing the contact area, so that walking is more stable, in this embodiment, the crawler belt imitating function assists the ground grabbing, the driving sprocket 10 and the two driven sprockets 5 are sequentially wound and connected in a triangular form, as shown in fig. 1, the outer side surface of the driving sprocket 6 is provided with a ring groove perpendicular to the outer side surface of the hub 41, the wheel spokes 61 is radially arranged, and the wheel spokes 61 are radially arranged to the wheel spokes 61 are radially outside the wheel strings 4, and the ground grabbing capability is increased to the ground rotating distance is increased to the ground grabbing device, and the ground is increased to the ground grabbing capability is increased to the ground, and the ground has the ground grabbing capability is increased to the ground rotating and the ground has the ground grabbed ground is more than the ground, and the ground has the driving wheel 4.
In this embodiment, in order to facilitate the installation of the ratchet wheel 25, pawl 23 mechanism and the driving wheel shaft 101, one side of the driving case 1 is provided with a mounting hole, the other side is provided with a shaft hole, the driving wheel shaft 101 extends out of the shaft hole and is fixedly connected with the driving sprocket 10 outside the driving case 1, the mounting hole and the shaft hole are both covered by a sealing structure 8, as shown in fig. 2-3, the sealing structure 8 comprises a cover plate 81 detachably connected with the driving case 1, a sealing balance film 82 sealing the hole, a balance spring 84 elastically pressing the inner side surface of the sealing balance film 82, and a spring base plate 83 uniformly applying the elastic force of the balance spring 84 to the inner side surface of the sealing balance film 82, the deformation amount of the outer side of the sealing balance film 82 is preset by the balance spring 84, in the case of deep water high pressure, not only the sealing balance film 82 can be supported, but also the deformation amount of one side of the sealing balance film 82 is prevented from being excessively large, the sealing balance film 82 is converted from elastic deformation to plastic deformation to avoid the problem of sealing failure due to the long-term overlarge deformation under the action of deep water high pressure, wherein in order to penetrate the driving wheel axle 101, sleeve holes are formed in the middle of the cover plate 81 of the axle hole and the sealing balance film 82, meanwhile, a dustproof structure 9 is used for filling and sealing a gap between the sleeve holes and the driving wheel axle 101, referring to fig. 3 again, the driving wheel axle 101 penetrates out of a fixed cylinder on the driving box 1, a driving bearing 91 is positioned in the fixed cylinder, the cylinder opening of the fixed cylinder is sealed through a sealing transition ring 93, a rubber sealing ring is embedded between the sealing transition ring 93 and the driving wheel axle 101, the sealing transition ring 93 is clamped between a boss of the driving wheel axle 101 and the driving bearing 91, an elastic dustproof ring 97 of the dustproof structure 9 is sleeved on the driving wheel axle 101 and is elastically pressed on the sealing transition ring 93 through an elastic component, the elastic dustproof ring 97 is of an inner ring and outer ring detachable overlapped structure, the sealing balance film 82 is clamped between the inner ring and the outer ring of the elastic dustproof ring 97, the elastic component comprises a spring gland 94, a dustproof spring 95 and a spring sealing seat 96, the spring gland 94 is detachably connected with the sealing base 92 at the end part of the fixed cylinder, the spring sealing seat 96 is pressed on the outer ring of the elastic dustproof ring 97 under the elastic action of the dustproof spring 95, so that elastic sealing is realized, the elastic dustproof ring 97 is pressed against the sealing transition ring 93 more tightly under the action of water pressure, and the sealing effect is improved.
In this embodiment, the driving case 1 is integrally formed with a first installation shell 11 and a second installation shell 12, which are respectively used for inserting and installing two piston cylinders 21, the cylinder body 31 of the piston cylinder 21 is fixed inside the shell through the cylinder fixing shaft 26, the piston cylinder 21 is a single-rod piston cylinder with a large oil cavity and a small oil cavity, the bottom end of the single-rod piston cylinder is provided with a large oil cavity port 32 and a small oil cavity port 33 extending out of the cylinder opening, the small oil cavity port 33 is connected with the small oil cavity located at the upper part of the piston cylinder 21 through a small oil cavity oil way 34, the cylinder openings of the first installation shell 11 and the second installation shell 12 are sealed through a cylinder opening sealing structure 13, the bottom end of the piston cylinder 21 is flush with the cylinder opening, the cylinder opening sealing structure 13 comprises an outer ring pressing ring 131 detachably connected with the cylinder opening, an inner ring pressing ring 133 detachably connected with the bottom end of the piston cylinder 21, and a sealing loose joint film 132 with the outer edge pressing between the cylinder opening and the outer ring 131, the sealing loose joint film 132 is provided with an inner hole covering the large oil cavity 32 and the small oil cavity port 33, and the inner hole of the inner hole is sealed by clamping and pressing the bottom end of the piston cylinder 21.
In addition, the driven sprocket 5 rotates synchronously with the travelling wheel 4 through the driven wheel shaft 51, the driven wheel shaft 51 is in supporting connection with the driving box 1 through the supporting sleeve 52, as shown in fig. 4, a bearing bush is arranged in the supporting sleeve 52, a wedge-shaped oil cavity is arranged between the bearing bush and the driven wheel shaft 51 to realize oil film lubrication between the bearing bush and the bearing bush, an oiling component 53 is connected with the wedge-shaped oil cavity in the bearing bush, the oiling component 53 comprises an oil cup sealing seat 531 fixed on the supporting sleeve 52, a joint type oil injection cup 533 in threaded connection with the oil cup sealing seat 531, an oil cup sealing cap 532 for sealing and protecting the joint type oil injection cup 533, the oil cup sealing cap 532 is in threaded connection with the oil cup sealing seat 531 and is sealed through an oil cup sealing pad 534, and an oil way for connecting the joint type oil injection cup 533 and the wedge-shaped oil cavity is arranged in the supporting sleeve 52.
In the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "side", and the like indicate an azimuth or positional relationship based on the azimuth or positional relationship shown in fig. 1 and 2. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the apparatus, elements or components indicated to the particular orientation or to be constructed and operated in a particular orientation;
in addition to the above terms may be used to denote orientation or positional relationships, other meanings may be used, such as the term "upper" may also be used in some cases to denote some sort of attachment or connection. The specific meaning of these terms in the present invention will be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (2)
1. The deepwater oil cylinder ratchet wheel roller walking driving device is characterized by comprising a driving box, a driving source, two travelling wheels and a transmission mechanism, wherein the driving source is arranged in the driving box, the transmission mechanism is used for transmitting power of the driving source to the travelling wheels, the driving source comprises a piston oil cylinder, a swinging rod driven by the piston oil cylinder to swing, a pawl ratchet mechanism and a driving wheel shaft, the pawl and pawl spring assembly of the pawl ratchet mechanism are fixed on the swinging rod, a ratchet wheel meshed with the pawl and intermittently transmitted is fixed on the driving wheel shaft, one end of the swinging rod is hinged with the end part of a piston rod of the piston oil cylinder, the other end of the swinging rod is rotatably fixed on the driving wheel shaft through a bearing, the transmission mechanism is used for synchronously transmitting power of the driving wheel shaft to the two travelling wheels, the two travelling wheels are symmetrically positioned on two sides of the gravity center line of the driving box, and a frame connecting flange positioned on the gravity center line of the driving box is also arranged on the driving box;
the travelling wheels comprise hubs, two side check rings formed by extending two side edges of the hubs and a plurality of wheel webs arrayed along the circumference of the outer circular surface of the hubs, a circle of annular grooves are formed by the check rings and the outer circular surface of the hubs, and the annular grooves are divided into a plurality of fan-shaped mud grabbing grooves which are uniformly distributed in an annular mode by the wheel webs;
the transmission mechanism comprises a driving sprocket synchronously rotating with the driving wheel shaft, two driven sprockets synchronously rotating with the two travelling wheels respectively, and a transmission chain for transmitting and connecting the driving sprocket and the driven sprocket, wherein a shifting plate perpendicular to the surface of the transmission chain is arranged on the transmission chain, and the radial distance from the end part of the shifting plate to the rotation center of the driven sprocket is larger than the radius of the outer circular surface of the hub and smaller than the radial distance from the outer edge of the spoke plate to the rotation center of the travelling wheel;
the driving source comprises two piston oil cylinders, two swinging rods, two pawls, two pawl spring assemblies and a ratchet wheel, wherein the two piston oil cylinders are arranged up and down and are respectively positioned at two sides of the ratchet wheel, and a first mounting shell barrel and a second mounting shell barrel are integrally formed in the driving box and are respectively used for inserting and mounting the two piston oil cylinders;
the driving wheel shaft extends out of the shaft hole and is fixedly connected with the driving sprocket outside the driving box, the mounting hole and the shaft hole are covered by a sealing structure, and the sealing structure comprises a cover plate detachably connected with the driving box, a sealing balance film for sealing an orifice, a balance spring for elastically pressing the inner side surface of the sealing balance film and a spring base plate for uniformly acting the elastic force of the balance spring on the inner side surface of the sealing balance film;
the anti-dust structure is characterized in that a dustproof structure for filling a gap between the driving wheel shaft and the sealing structure is further arranged on the shaft hole, the dustproof structure comprises an elastic dustproof ring sleeved on the driving wheel shaft, an elastic assembly elastically pressing the outer end of the elastic dustproof ring, and a sealing transition ring sleeved on the driving wheel shaft, the inner end face of the elastic dustproof ring is pressed against the sealing transition ring, the elastic dustproof ring is of an inner ring and outer ring detachable combined structure, and the sealing balance film is clamped between the inner ring and the outer ring of the elastic dustproof ring.
2. The travel drive device according to claim 1, wherein: the cylinder mouth of the first installation shell cylinder and the cylinder mouth of the second installation shell cylinder are sealed through a cylinder mouth sealing structure, the bottom end of the piston cylinder is flush with the cylinder mouth, the cylinder mouth sealing structure comprises an outer ring compression ring detachably connected with the cylinder mouth, an inner ring compression ring detachably connected with the bottom end of the piston cylinder and a sealing loose joint film arranged between the cylinder mouth and the outer ring compression ring in a pressing mode, and an inner hole is formed in the sealing loose joint film, and the edge of the inner hole is arranged between the bottom end of the piston cylinder and the inner ring compression ring in a pressing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310476131.6A CN116201192B (en) | 2023-04-28 | 2023-04-28 | Deep water oil cylinder ratchet wheel roller walking driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310476131.6A CN116201192B (en) | 2023-04-28 | 2023-04-28 | Deep water oil cylinder ratchet wheel roller walking driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116201192A CN116201192A (en) | 2023-06-02 |
| CN116201192B true CN116201192B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310476131.6A Active CN116201192B (en) | 2023-04-28 | 2023-04-28 | Deep water oil cylinder ratchet wheel roller walking driving device |
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| CN (1) | CN116201192B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB275035A (en) * | 1926-09-06 | 1927-08-04 | Percy Herbert Hiscock | Improvements in earth scoops |
| CN106808919A (en) * | 2015-12-01 | 2017-06-09 | 李飞燕 | A kind of mini-tiller anti-slip land wheel |
| CN216611388U (en) * | 2021-12-31 | 2022-05-27 | 无锡市沪航液压设备制造有限公司 | Crawler belt walking hydraulic driving system of milling groove stirrer |
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- 2023-04-28 CN CN202310476131.6A patent/CN116201192B/en active Active
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| Publication number | Publication date |
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| CN116201192A (en) | 2023-06-02 |
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