CN210135434U

CN210135434U - Combined type multipoint independent lubricating oil dripping system for open type walking part

Info

Publication number: CN210135434U
Application number: CN201920768085.6U
Authority: CN
Inventors: 章立强; 胡滔; 何利宁; 宋振; 胡璟; 顾恩洋; 王振乾; 董超; 周常飞; 郭岱; 钱立全; 余会挺; 曾苛; 盛永林; 阚文浩; 杨熹; 王兆胜; 沈胜超; 杜尊重; 朱承才
Original assignee: Tiandi Shanghai Mining Equipment Technology Co Ltd; Tiandi Science and Technology Co Ltd Shanghai Branch
Current assignee: Tiandi Shanghai Mining Equipment Technology Co Ltd; Tiandi Science and Technology Co Ltd Shanghai Branch
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-03-10
Anticipated expiration: 2029-05-27

Abstract

The utility model relates to a modular open walking portion oil drip system of independent lubrication of multiple spot, including fixing the oil tank on the walking portion casing, connecting box and connecting block, the oil tank is located the top surface of walking portion casing, the connecting box is located below the top surface of walking portion casing, the cavity more than the drive wheel of walking portion, the connecting box is located the walking portion casing, the cavity of gear wheel and walking wheel top, the oil tank is equipped with four independent oil pockets at least, every oil pocket all is equipped with adds oil cap and oil flow adjusting device, the connecting box is equipped with four independent oil circuits, and be connected with four oil pockets one to one, four oil circuits respectively with the drive wheel lubricating point, two oil inlets and the lubricated access point of direction piston shoe of connecting block correspond, two oil-outs of connecting block are connected with gear wheel lubricating point and walking wheel lubricating point respectively. The utility model discloses the wearing and tearing loss problem of walking portion can improve the life-span of walking portion when drum-type mining machine exploitation high rigidity and high abrasiveness mineral aggregate greatly.

Description

Combined type multipoint independent lubricating oil dripping system for open type walking part

Technical Field

The utility model relates to an oil dripping system for the open walking portion of mining machine, it can provide the independent lubrication of multiple spot, can be used to the working face inclination big, pitch the big, the abrasive material abrasiveness of angle of mining strong etc. easily lead to the lubricated bad, the serious occasion of wearing and tearing of walking portion transmission part, belong to the well worker and coal mining machinery technical field.

Background

To adopt the mining mode of drum-type mining machine exploitation high rigidity mineral aggregate, because the reaction force that the hard mineral aggregate of cutting produced makes the fuselage lift trend greatly increased, mining machine traveling system's direction sliding shoe and cogged rail contact wear are big for direction sliding shoe wearing layer wearing and tearing are very fast, if the abrasiveness of the mineral aggregate of mining is very high simultaneously, played the wearing and tearing of direction sliding shoe wearing layer and open traveling part's drive part, cogged rail cleaning device more, lead to the traveling part life-span very low, seriously reduce the exploitation benefit.

In order to solve the above problems, a method for thickening a wear-resistant layer of a guide sliding shoe of a mining machine has been proposed in the industry, and an attempt is made to solve the problem of rapid wear of the guide sliding shoe, but the problem of short service life of the wear-resistant layer of the guide sliding shoe cannot be thoroughly solved due to severe stress of the whole machine and strong abrasiveness of mineral aggregate when cutting hard mineral aggregate under the condition that a walking part has no lubricating measure. It has also been proposed in the trade to increase small-size oil drip device, do the lubrication to walking portion transmission part, but small-size oil drip device generally sets up below the casing top surface of walking case, the space more than the drive structure, the oil bath is small, when meetting the working face inclination or pitching the angle of taking great, oil can not drip to drive gear well on, wholly nest in casing top surface below can't observe and adjust oil drip volume and oil drip effect, whole result of use is very poor, also can not thoroughly solve to the quick wear problem of walking portion transmission part.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems in the prior art, the utility model provides a modular open walking portion oil drip system of independent lubrication of multiple spot can improve the wearing and tearing loss problem of direction piston shoes and walking portion transmission part when drum-type mining machine exploitation high rigidity and high abrasive mineral aggregate greatly, and then improves the life-span of walking portion.

The utility model discloses a main technical scheme has:

a combined type multipoint independent lubricating open type walking part oil dripping system comprises an oil tank, a connecting box and a connecting block, wherein the oil tank, the connecting box and the connecting block are relatively and fixedly connected onto a walking part shell, the oil tank is fixed on the top surface of the walking part shell, the connecting box is positioned in a cavity below the top surface of the walking part shell and above a driving wheel of a walking part, the connecting block is positioned in the cavity inside the walking part shell and above a gearwheel and a walking wheel, the oil tank is at least provided with a first oil cavity, a second oil cavity, a third oil cavity and a fourth oil cavity which are mutually independent, each oil cavity is provided with an oil filling cover, a ventilation plug, an oil drain plug, an oil indicator and an oil outlet flow adjusting device, the connecting box is provided with a first oil path, a second oil path, a third oil path and a fourth oil path which are mutually independent, and the first oil path, the second oil path, the third oil path and the fourth oil path are in one-to-one connection, the oil outlet of the first oil way is vertically aligned with the driving wheel lubricating point of the walking part, the oil outlets of the second oil way and the third oil way are respectively connected with the two oil inlets of the connecting block through an oil pipe, the two oil outlets of the connecting block are vertically aligned with the gearwheel lubricating point and the walking wheel lubricating point respectively, and the oil outlet of the fourth oil way is connected with the guide sliding shoe lubricating access point of the walking part through an oil pipe.

Each oil chamber is made into a structure with a narrow left-right direction and a wide front-back direction.

The bottom oil outlet of each oil cavity is arranged into a cylindrical pin structure protruding downwards and outwards from the bottom surface of the oil tank, the oil inlet of each oil way is arranged into a cylindrical pin hole structure, the cylindrical pin structures are in one-to-one insertion connection with the cylindrical pin hole structures and are matched with the shaft holes, and the cylindrical pin structures and the cylindrical pin hole structures are sealed.

An oil channel plate horizontally extending from front to back is arranged on the bottom plate in each oil cavity, an oil channel block is fixed on the top surface of one end of the oil channel plate, the oil channel block is at least attached and fixed with one side wall of an oil tank, oil holes are formed in the oil channel block, the oil holes in the oil channel block and a hole channel formed by the oil channel plate and the bottom plate in the same oil cavity form an oil outlet channel corresponding to the oil cavity, an oil inlet of the oil outlet channel is formed in one side surface of the oil channel block, an oil outlet of the oil outlet channel is formed in the bottom plate and is communicated with an oil outlet at the bottom of the corresponding oil cavity, an installation hole of the oil drain plug is formed in the bottom of one side wall of the oil tank, the oil drain plug installation hole is communicated with the oil outlet channel through the hole channel in the oil channel block, the oil outlet flow regulating device comprises an observation plug and a regulating rod which are respectively installed in an, the observation plug mounting hole and the adjustment rod mounting hole are both arranged in the oil duct block and the side wall of the oil tank which is simultaneously attached to the oil duct block and the oil duct plate, and the observation plug mounting hole and the adjustment rod mounting hole are both communicated with the oil outlet channel.

The connecting box is provided with a left groove and a right groove with openings above as operating windows, the rest part is an entity structure, the rear part of the entity structure and the bottoms of the left groove and the right groove are respectively provided with a pipe penetrating hole, the front part of the entity structure is provided with a first oil duct and a second oil duct, the outlet of the first oil duct is connected with a first oil nozzle, the first oil nozzle is hung forwards, the second oil duct is provided with a left outlet and a right outlet which are respectively communicated with the left groove and the right groove, the rear part of the entity structure is provided with a third oil duct and a fourth oil duct, the third oil duct is provided with a left outlet and a right outlet which are respectively communicated with the left groove and the right groove, and the outlet of the, the cylindrical pin hole structure is arranged on the top surface of the solid structure, and the first oil duct, the second oil duct, the third oil duct and the fourth oil duct respectively form main bodies of a first oil path, a second oil path, a third oil path and a fourth oil path.

The utility model has the advantages that:

the utility model discloses a set up a plurality of independent oil pockets, carry out a pair of branch oil feeding respectively to the essential element that needs to lubricate, and every independent oil pocket all possesses the characteristics that oil drip speed and lubricating oil volume easily regulated and control for the oil drip volume and the oil drip speed of each lubricating point can be managed alone as required, and each other does not rely on and influence, consequently can improve the whole oil drip lubrication effect of walking portion by a wide margin.

The utility model discloses with the oil tank setting on the top surface of walking portion casing, conveniently refuel and observe the oil mass.

The oil in the oil tank is distributed to the connecting boxes and the connecting blocks step by step from top to bottom, and the connecting boxes are arranged in the cavities below the top surface of the shell of the walking part and above the driving wheels of the walking part, so that the oil outlet of the connecting boxes is supplied to the driving wheels and the guide sliding shoes; set up the connecting block in the walking portion casing, in the cavity of gear wheel and walking wheel top, let the play oil supply gear wheel and the walking wheel of connecting block for each lubricating oil goes out the oil point and all is set up on the nearer spatial position in top of the lubricated part of target, all has sufficient fluid supply, consequently each lubricated part can both obtain good pertinence lubricated and not receive the working face inclination, pitch mining angle, mineral aggregate and pile up the influence such as.

The utility model discloses an oil tank directly links cleaning device's lubricated access point, cleaning device's lubrication does not receive the working face inclination equally, pitch and adopt the angle, mineral aggregate piles up the influence such as, it provides lubricating oil to turn to drive wheel and direction piston shoes in the connecting box to recycle, it provides lubricating oil to utilize in the connecting box and the connecting block two-stage to turn to gear wheel and walking wheel, drive gear has been realized to multistage fuel feeding, direction piston shoes, each friction part's such as cleaning device omnidirectional lubrication, to each friction surface of open walking portion carry out comprehensive effectual lubrication, the wearing and tearing have been reduced greatly, the service life is prolonged.

The utility model discloses an oil tank, connecting box, connecting block are the monomer that is independent of walking wheel casing, compare under prior art oil tank and walking portion casing integral type design, can simplify walking portion shell structure to original cavity in the make full use of walking portion casing makes the walking portion compacter.

Because every the oil pocket all makes the structure that left right direction is narrow, the fore-and-aft direction is wide, big inclination working face is right like this the influence of fluid oil level in the oil pocket can be very little, make the utility model discloses can adapt to bigger working face inclination.

Left and right walking portion can adopt the utility model discloses a same set of oil drip system, only the pipe connection slightly differs, and interchangeability and practicality are strong, and processing management maintains simply.

Drawings

Fig. 1 is a front view of the right walking part of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view of K1-K1 of FIG. 1;

FIG. 4 is an enlarged view of the fuel tank of FIG. 1;

FIG. 5 is a cross-sectional view of the K2-K2 step of FIG. 4;

FIG. 6 is a cross-sectional view of the K3-K3 step of FIG. 4;

fig. 7 is an enlarged cross-sectional view of the extrusion apparatus of the present invention;

fig. 8 is a top view of the junction box of the present invention;

FIG. 9 is a stepped cross-sectional view A-A of FIG. 8 (connecting box first oil gallery);

FIG. 10 is a sectional view taken along line B-B of FIG. 8 (connecting box second oil passage);

FIG. 11 is a stepped cross-sectional view of the C-C of FIG. 8 (connecting box third oil passage);

FIG. 12 is a D-D cross-sectional view of FIG. 8 (connecting box fourth oil gallery);

FIG. 13 is a cross-sectional view K-K (connecting block) of FIG. 1;

fig. 14 is a top view of the junction box according to the embodiment of the present invention, which is installed on the left walking part;

fig. 15 is a front view of the left walking part in the state of the embodiment of the present invention.

Description of the drawings: 1. an oil tank; 110. an oil tank pin hole; 111. a first oil chamber; 112. a second oil chamber; 113. a third oil chamber; 114. a fourth oil chamber; 115. a fifth oil chamber; 116. a sixth oil chamber; 117. an oil tank fastening plate; 118. an oil duct plate; 119. an oil passage block; 12. a tank screw; 13. a cylindrical pin structure; 14. sealing; 151. an oil filling cap; 152. a venting plug; 153. applying an oil mark; 154. oil level mark discharging; 155. an extrusion device; 1551. extruding and blocking; 1552. a spring; 1553. extruding and sealing; 1554. extruding the retainer ring; 156. oil drainage and blockage; 157. an oil outlet flow adjusting device; 1571. observing the blockage; 1572. adjusting a rod; 1573. a choke; 1574. a hole plug; 1575. a filter screen; 1576. a duct;

2. a connection box; 21. a connection box main body; 210. a cylindrical pin hole structure; 211. a first oil passage; 2110. a first oil passage; 2111. a first oil nipple; 212. a second oil passage; 2120. a second oil passage; 2121. a second oil passage left port; 2122. a second oil passage right port; 213. a third oil passage; 2130. a third oil passage; 2131. a third oil passage left port; 2132. a third oil passage right port; 214. a fourth oil passage; 2140. a fourth oil passage; 2141. an outlet of the fourth oil passage; 215. a groove; 216. perforating the tube holes; 217. an operation window and an accommodating space; 2181. connecting a box top plate; 2182. a connecting box oil passage block; 2183. connecting the box bottom plate; 2184. connecting the box side plates; 22. a connection box screw; 23. a pipe fitting joint; 231. a guide shoe oil pipe; 232. cleaning the oil pipe of the device at the left side; 233. cleaning the oil pipe of the device on the right;

3. connecting blocks; 31. an arc-shaped plate; 32. a threaded hole; 33. an oil hole seat; 34. connecting a block oil nozzle; 35. an oil inlet joint; 36. an oil passage;

41. a drive wheel; 411. a drive wheel lubrication point; 42. a bull gear; 421. a bull gear lubrication point; 43. a traveling wheel; 431. a traveling wheel lubrication point; 44. a guide shoe; 441. a guide shoe lubrication access point; 45. a left cleaning device; 451. the left cleaning device lubricates the access point; 46. a right cleaning device; 461. the right cleaning device lubricates the access point;

5. a right walking part housing; 51. a top surface of the right walking part housing; 52. a cambered surface of the right walking part shell;

5' left running part housing; 51' a top surface of the left running part housing; arc of left running gear housing 52'.

Detailed Description

The utility model discloses a modular multiple spot independent lubrication's open walking portion oil drip system (can be called for short the oil drip system), as shown in fig. 1-15, including relative fixed connection oil tank 1, connecting box 2 and connecting block 3 on walking portion casing (right walking portion casing 5, left walking portion casing 5 '), oil tank accessible oil tank screw 12 is fixed on the top surface of walking portion casing (the top surface 51 of right walking portion casing, the top surface 51 ' of left walking portion casing) and/or on the connecting box, the connecting box is located the cavity below the top surface of walking portion casing, above the drive wheel of walking portion, the connecting block is located the cavity of walking portion casing, gear wheel and walking wheel top. The driving wheel 41 in the walking part is externally meshed with the large gear 42, the driving wheel is higher than the large gear, the large gear 42 and the walking wheel 43 are coaxially fixed and synchronously rotate, and power is transmitted to the walking wheel from the driving wheel through the large gear. The drive wheels, bull gears, road wheels and guide shoes 44 are the major components of the walking section that involve relative transmission and friction for relative motion requiring lubrication. According to the installation position, the oil tank is higher than the connecting box, and the connecting box is higher than the connecting block.

The oil tank is at least provided with a first oil chamber 111, a second oil chamber 112, a third oil chamber 113 and a fourth oil chamber 114 which are mutually independent, and each oil chamber is provided with an oil filling cover 151, an oil drainage plug 156, an oil pointer and an oil outlet flow adjusting device 157 which are respectively used for adjusting the flow rates of oil filling, oil drainage, ventilation and oil dripping. The connecting box is provided with a first oil way, a second oil way, a third oil way and a fourth oil way which are mutually independent, and the first oil way, the second oil way, the third oil way and the fourth oil way are in one-to-one connection with bottom oil outlets of the first oil cavity, the second oil cavity, the third oil cavity and the fourth oil cavity. The oil outlet of the first oil way and the driving wheel lubricating point 411 of the traveling part are arranged in an up-and-down alignment mode as much as possible, oil drops to the driving wheel from the oil tank through the connecting box for lubricating, and the driving wheel lubricating point 411 is preferably arranged in the center of the width of the driving wheel; oil outlets of the second oil path and the third oil path are respectively connected with two oil inlets of the connecting block 3 through an oil pipe, the two oil outlets of the connecting block are respectively aligned with a gearwheel lubrication point 421 and a travelling wheel lubrication point 431 up and down as much as possible, and the gearwheel lubrication point 421 and the travelling wheel lubrication point 431 are preferably arranged at the central positions of the width of respective wheel bodies; oil liquid sequentially passes through the connecting box and the connecting block from the oil tank and then drops to the large gear and the traveling wheel for lubrication; an oil outlet of the fourth oil path is connected with a guide slipper lubrication access point 441 of the traveling part through a guide slipper oil pipe 231, and oil passes through a connecting box from the oil tank and then is introduced into the guide slipper to enter lubrication.

The utility model discloses a set up a plurality of independent oil pockets, carry out a pair of branch oil feeding respectively to the essential element that needs the lubrication, and every independent oil pocket all possesses the characteristics that oil drip speed and lubricating oil volume easily regulated and control for each lubricating point realizes independent lubrication, and each independence and influence can improve the whole oil drip lubrication effect of walking portion by a wide margin.

The oil in the oil tank is distributed to the connecting boxes and the connecting blocks step by step from top to bottom, and the connecting boxes are arranged in the cavities below the top surface of the shell of the walking part and above the driving wheels of the walking part, so that the oil outlet of the connecting boxes is supplied to the driving wheels and the guide sliding shoes; set up the connecting block in the walking portion casing, in the cavity of gear wheel and walking wheel top, let the play oil supply gear wheel and the walking wheel of connecting block for each lubricating oil goes out the oil point and all has sufficient fluid supply, and each oil point all is set up on the nearer spatial position in top of target lubricated part simultaneously, therefore each lubricated part can both obtain good pertinence lubricated and not receive the working face inclination, pitch and adopt angle, mineral aggregate and pile up the influence such as.

The oil tank can be further provided with a fifth oil chamber 115 and a sixth oil chamber 116 which are independent of each other, bottom oil outlets of the fifth oil chamber and the sixth oil chamber are directly connected with a left cleaning device lubrication access point 451 and a right cleaning device lubrication access point 461 through a left cleaning device oil pipe 232 and a right cleaning device 233 respectively, and the left cleaning device 45 and the right cleaning device 46 are lubricated.

The guide slipper lubrication access point 441, the left cleaning device lubrication access point 451 and the right cleaning device lubrication access point 461 are directly connected with the guide slipper oil pipe 231, the left cleaning device oil pipe 232 and the right cleaning device oil pipe 233 respectively, so that corresponding parts can be lubricated well and pertinently without being influenced by the inclination angle of a working surface, the pitching angle, mineral aggregate accumulation and the like.

No matter how many oil cavities are arranged in the oil tank, the bottom oil outlet of each oil cavity is arranged into a cylindrical pin structure 13 protruding downwards and outwards from the bottom surface of the oil tank, and specifically, the oil cavity can be realized by arranging an oil tank pin hole 110 on the bottom surface of the oil tank and fixing a pin with a central through hole in the oil tank pin hole. Correspondingly, the oil inlet of each oil path is arranged into a cylindrical pin hole structure 210, the cylindrical pin structures are in one-to-one insertion connection with the cylindrical pin hole structures and are matched with the cylindrical pin hole structures in an axle hole mode, and a seal 14 is arranged between the cylindrical pin structures and the cylindrical pin hole structures. The cylindrical pin structure is connected with the cylindrical pin hole structure in an inserting mode, and meanwhile positioning in the horizontal direction during installation of the oil tank is achieved. The oil tank can comprise an oil tank fastening plate 117 horizontally arranged, the oil tank fastening plate is flush with the top surface of the oil tank, a plurality of through holes are formed in the oil tank fastening plate, and the oil tank screws 12 can penetrate through the through holes in the oil tank fastening plate and then are in threaded connection with the traveling part shell.

Every all set up an oil duct board 118 that the level extends around on the bottom plate in the oil cavity, fixed an oil duct piece 119 on the one end top surface of oil duct board, oil duct piece is at least fixed with the laminating of a lateral wall of oil tank. In this embodiment, the oil duct block is located on the rear end top surface of oil duct board, and is fixed with the back lateral wall laminating of oil tank correspondingly. The oil passage block is internally provided with oil holes, and the oil holes in the oil passage block and a pore 1576 enclosed by the oil passage plate and the bottom plate in the same oil cavity form an oil outlet channel corresponding to the oil cavity and are used as a passage through which oil enters the last section of the connecting box from the oil cavity. The oil inlet of the oil outlet channel is arranged on one side face of the oil channel block, and the oil outlet of the oil outlet channel is arranged on the bottom plate and communicated with the bottom oil outlet of the corresponding oil cavity.

The mounting hole of the oil drain plug is formed in the bottom of one side wall, attached to the oil duct block, of the oil tank, and the oil drain plug mounting hole is communicated with the oil outlet channel through a hole channel located in the oil duct block and used for discharging oil in the oil cavity. The oil outlet flow adjusting device 157 comprises an observation plug 1571 and an adjusting rod 1572, the observation plug is in threaded connection with the observation plug mounting hole, the front portion of the adjusting rod is in threaded connection with the adjusting rod mounting hole, the rear portion of the adjusting rod is in shaft hole fit with the adjusting rod mounting hole and is sealed, the observation plug mounting hole and the adjusting rod mounting hole are both arranged in the oil channel block and the oil tank side wall attached to the oil channel block and the oil channel plate at the same time, and the observation plug mounting hole and the adjusting rod mounting hole are both communicated with the oil outlet channel. During adjustment, the observation plug 1571 is taken down, then the adjusting rod 1572 is axially screwed in and screwed out for adjustment, the size of the throttling port 1573 is changed accordingly, the speed of oil flowing out from the observation plug mounting hole is observed to judge whether the oil is adjusted in place, and the observation plug is mounted after adjustment.

A filter screen 1575 is arranged at a position, close to an oil inlet, in the oil outlet channel, so that impurity particles in oil can be prevented from blocking the oil outlet channel, and the influence of impurities and fine particles in each independent oil cavity on oil dripping is effectively reduced. The filter screen can be pressed and fixed on the oil outlet channel by a hole plug 1574.

Every the oil pocket all is equipped with extrusion device 155, extrusion device is including extrusion stifled 1551, spring 1552, extrusion seal 1553 and extrusion retaining ring 1554, extrusion stifled and spring axial connection, the free end of spring supports on the inboard terminal surface of extrusion device mounting hole, and extrusion stifled cooperates with extrusion device mounting hole shaft hole, and the inner wall of extrusion retaining ring embedding extrusion device mounting hole, and keeps off in the outer end that the extrusion was stifled in the axial. The extrusion plug mounting holes are formed in the oil duct block and the side wall of the oil tank, which is simultaneously attached to the oil duct block and the oil duct plate, and are communicated with the oil outlet channel of the corresponding oil cavity. Extrusion is stifled through promoting inwards, can carry out extrusion formula clearance to the passageway that produces oil, carries out the punching press formula to the hydraulic fluid port that can't produce oil because of the mineral aggregate blocks up and gets rid of, guarantees the unobstructed of passageway that produces oil, and simple structure, convenient operation.

Each oil chamber is also provided with a vent plug 152, and the vent plug and the oil pointer are arranged on the side wall of the oil tank, wherein the vent plug is close to the top of the oil tank. The oil pointer comprises an upper oil pointer 153 and a lower oil pointer 154, the lower oil pointer is higher than an oil inlet of an oil outlet channel of the corresponding oil cavity, and the upper oil pointer is positioned above the lower oil pointer and below the air vent plug. The oil level indicator can facilitate the observation of the oil level of each oil cavity.

The connecting box is provided with a left groove 215 and a right groove 215 with openings at the upper parts, the left groove 215 and the right groove can be used as a connecting operation window and an accommodating space 217 of the pipe fitting joint 23, the rest parts are of solid structures, and the rear parts of the solid structures and the bottoms of the left groove and the right groove are respectively provided with a through hole 216. The front part of the solid structure is provided with a first oil duct 2110 (see fig. 9) and a second oil duct (see fig. 10), an outlet of the first oil duct is connected with a first oil nozzle 2111, and the first oil nozzle is suspended forwards. The second oil duct is provided with a left outlet and a right outlet, namely a left port 2121 of the second oil duct and a right port 2122 of the second oil duct, which are respectively communicated with the left groove and the right groove. The rear part of the solid structure is provided with a third oil duct (see fig. 11) and a fourth oil duct (see fig. 12), the third oil duct is provided with a left outlet and a right outlet, the left outlet and the right outlet are respectively a third oil duct left port 2131 and a third oil duct right port 2132 which respectively lead to a left groove and a right groove, an outlet 2141 of the fourth oil duct leads to any one of the grooves and is related to the arrangement position of the fourth oil chamber relative to other oil chambers, and the outlet 2141 of the fourth oil duct leads to the right groove in the embodiment. The cylindrical pin hole structure is arranged on the top surface of the solid structure, the first oil passage 2110, the second oil passage 2120, the third oil passage 2130 and the fourth oil passage 2140 respectively form the main bodies of the first oil passage 211, the second oil passage 212, the third oil passage 213 and the fourth oil passage 214, and the pipe joint 23 serves as a part of an accessory of the corresponding oil passage.

As shown in fig. 1 and 8, when the oil dripping system is used in the right walking part, the left outlet of the second oil duct and the left outlet of the third oil duct are respectively connected with an oil pipe through a pipe joint 23, and the two oil pipes are led out from a pipe penetrating hole at the bottom of the right groove and then connected with two oil inlets of the connecting block 3. As shown in fig. 14 and 15, when the oil dripping system is used in the left walking part, the installation positions of the oil tank and the connection box are not changed, and at this time, the right outlet of the second oil passage and the right outlet of the third oil passage are respectively connected with an oil pipe through a pipe joint 23, and the two oil pipes are led out from the pipe through hole at the bottom of the left groove and then connected with the two oil inlets of the connection block 3. Therefore, the second oil duct and the third oil duct are provided with the left outlet and the right outlet, and the connecting box is provided with the left groove and the right groove, and the connecting box can be simultaneously suitable for installation of the right walking part shell and the left walking part shell due to the structural optimization design.

In the embodiment shown in the drawings, the connection box main body 21 of the connection box 2 is formed by splicing a connection box top plate 2181, a connection box oil passage block 2182, a connection box bottom plate 2183 and a connection box side plate 2184. The connection box is fastened to the chassis housing by means of connection box screws 22.

The connecting block is provided with a front oil duct 36 and a rear oil duct 36 which are respectively used for conveying lubricating oil for the bull gear 42 and the traveling wheel 43. The oil inlets of the front oil duct and the rear oil duct are arranged at the top of the connecting block, and an oil inlet joint 35 is installed at the oil inlet. The oil outlet of the front oil duct is arranged on the front side surface of the lower portion of the connecting block, the oil outlet of the rear oil duct is arranged on the rear side surface of the lower portion of the connecting block, and connecting block oil nozzles 34, namely a second oil nozzle and a third oil nozzle, are respectively arranged on the oil outlets of the front oil duct and the rear oil duct. The oil hole axis of the connecting block oil nozzle 34 is preferably parallel to the axes of the bull gear and the road wheel. The connecting block is provided with a threaded hole 32 for threading a screw when the connecting block is fixed on the walking part shell. The connecting block in the embodiment shown in the drawing comprises an arc-shaped plate 31, an oil hole seat 33, a connecting block oil nozzle 34 and an oil inlet 35 of the connecting block, and two oil passages 36 are formed in the oil hole seat 33. The arc plate 31 corresponds to the arc surface on the traveling section case (the arc surface 52 of the right traveling section case, the arc surface 52' of the left traveling section case) when mounted.

The end parts of the first oil nozzle, the second oil nozzle and the third oil nozzle are of convex oil dripping guide structures.

Each oil chamber is preferably made into a structure with a narrow left-right direction and a wide front-back direction, and the size ratio of the two directions is preferably not higher than 1:3, so that the influence of a large-inclination-angle working surface on the oil level of oil in the oil chamber can be small, and the oil dripping system can adapt to a larger inclination angle of the working surface.

The left and right in this document correspond to the left and right in the view of fig. 1, and the front and rear in this document correspond to the top and bottom in the view of fig. 2, respectively.

Claims

1. The utility model provides a modular open running gear oil drip system of independent lubrication of multiple spot which characterized in that: the oil tank is fixed on the top surface of the walking part shell, the connecting box is positioned in a cavity below the top surface of the walking part shell and above a driving wheel of the walking part, the connecting block is positioned in a cavity in the walking part shell and above a gearwheel and a walking wheel, the oil tank is at least provided with a first oil cavity, a second oil cavity, a third oil cavity and a fourth oil cavity which are mutually independent, each oil cavity is provided with an oil filling cover, a ventilation plug, an oil drain plug, an oil indicator and an oil outlet flow adjusting device, the connecting box is provided with a first oil path, a second oil path, a third oil path and a fourth oil path which are mutually independent, the first oil path, the second oil path, the third oil path and the fourth oil path are in one-to-one connection with the bottoms of the first oil cavity, the second oil cavity, the third oil cavity and the fourth oil path, an oil outlet of the first oil path is vertically aligned with a lubricating point of the driving wheel of the walking part, the oil outlets of the second oil path and the third oil path are respectively connected with the two oil inlets of the connecting block through an oil pipe, the two oil outlets of the connecting block are respectively aligned with a gearwheel lubrication point and a travelling wheel lubrication point from top to bottom, and the oil outlet of the fourth oil path is connected with a guide slipper lubrication access point of the travelling part through an oil pipe.

2. The combined multipoint independent lubrication open runner drip system of claim 1, wherein: each oil chamber is made into a structure with a narrow left-right direction and a wide front-back direction.

3. The combined multipoint independent lubrication open runner drip system of claim 2, wherein: the bottom oil outlet of each oil cavity is arranged into a cylindrical pin structure protruding downwards and outwards from the bottom surface of the oil tank, the oil inlet of each oil way is arranged into a cylindrical pin hole structure, the cylindrical pin structures are in one-to-one insertion connection with the cylindrical pin hole structures and are matched with the shaft holes, and the cylindrical pin structures and the cylindrical pin hole structures are sealed.

4. The combined multipoint independent lubrication open runner drip system of claim 3, wherein: an oil channel plate horizontally extending from front to back is arranged on the bottom plate in each oil cavity, an oil channel block is fixed on the top surface of one end of the oil channel plate, the oil channel block is at least attached and fixed with one side wall of an oil tank, oil holes are formed in the oil channel block, the oil holes in the oil channel block and a hole channel formed by the oil channel plate and the bottom plate in the same oil cavity form an oil outlet channel corresponding to the oil cavity, an oil inlet of the oil outlet channel is formed in one side surface of the oil channel block, an oil outlet of the oil outlet channel is formed in the bottom plate and is communicated with an oil outlet at the bottom of the corresponding oil cavity, an installation hole of the oil drain plug is formed in the bottom of one side wall of the oil tank, the oil drain plug installation hole is communicated with the oil outlet channel through the hole channel in the oil channel block, the oil outlet flow regulating device comprises an observation plug and a regulating rod which are respectively installed in an, the observation plug mounting hole and the adjustment rod mounting hole are both formed in the oil duct block and the side wall of the oil tank attached to the oil duct block, and the observation plug mounting hole and the adjustment rod mounting hole are both communicated with the oil outlet channel.

5. The combined multipoint independently lubricated open-running drip system of claim 4, wherein: and a filter screen is arranged at a position, close to the oil inlet, in the oil outlet channel.

6. The combined multipoint independent lubrication open runner drip system of claim 5, wherein: every the oil pocket all is equipped with extrusion device, extrusion device is including extrusion stifled, spring, extrusion seal and extrusion retaining ring, the extrusion is stifled to be connected with the spring axial, and the free end of spring supports on the inboard terminal surface of extrusion device mounting hole, and the extrusion is stifled to cooperate with extrusion device mounting hole shaft hole, and the inner wall of extrusion retaining ring embedding extrusion device mounting hole, and keep off in the axial in the stifled outer end of extrusion, the stifled mounting hole setting of extrusion is in the oil duct piece and the oil tank lateral wall of laminating simultaneously with oil duct piece, oil duct board to communicate with each other with the oil outlet channel of corresponding oil pocket.

7. The combined multipoint independently lubricated open-running drip system of claim 6, wherein: the ventilation plug and the oil pointer are installed on the side wall of the oil tank, the ventilation plug is close to the top of the oil tank, the oil pointer comprises an upper oil pointer and a lower oil pointer, the lower oil pointer is higher than an oil inlet of an oil outlet channel of the corresponding oil cavity, and the upper oil pointer is located above the lower oil pointer and below the ventilation plug.

8. The combined multipoint independently lubricated open-running drip system of claim 3, 4, 5, 6 or 7, wherein: the connecting box is provided with a left groove and a right groove with openings above as operating windows, the rest part is an entity structure, the rear part of the entity structure and the bottoms of the left groove and the right groove are respectively provided with a pipe penetrating hole, the front part of the entity structure is provided with a first oil duct and a second oil duct, the outlet of the first oil duct is connected with a first oil nozzle, the first oil nozzle is hung forwards, the second oil duct is provided with a left outlet and a right outlet which are respectively communicated with the left groove and the right groove, the rear part of the entity structure is provided with a third oil duct and a fourth oil duct, the third oil duct is provided with a left outlet and a right outlet which are respectively communicated with the left groove and the right groove, and the outlet of the, the cylindrical pin hole structure is arranged on the top surface of the solid structure, and the first oil duct, the second oil duct, the third oil duct and the fourth oil duct respectively form main bodies of a first oil path, a second oil path, a third oil path and a fourth oil path.

9. The combined multipoint independently lubricated open-running drip system of claim 8, wherein: the oil inlet of the front oil duct and the oil inlet of the rear oil duct are arranged at the top of the connecting block, the oil outlet of the front oil duct is arranged on the front side face of the lower portion of the connecting block, the oil outlet of the rear oil duct is arranged on the rear side face of the lower portion of the connecting block, and the oil outlets of the front oil duct and the rear oil duct are respectively connected with the second oil nozzle and the third oil nozzle.

10. The combined multipoint independently lubricated open-running drip system of claim 9, wherein: the end parts of the first oil nozzle, the second oil nozzle and the third oil nozzle are of convex oil dripping guide structures.

11. The combined multipoint independently lubricated open-runner drip system of claim 1, 2, 3, 4, 5, 6 or 7, wherein: the oil tank is also provided with a fifth oil chamber and a sixth oil chamber which are independent from each other, and bottom oil outlets of the fifth oil chamber and the sixth oil chamber are respectively connected with a left cleaning device lubricating access point and a right cleaning device lubricating access point through an oil pipe.

12. The combined multipoint independently lubricated open-running drip system of claim 8, wherein: the oil tank is also provided with a fifth oil chamber and a sixth oil chamber which are independent from each other, and bottom oil outlets of the fifth oil chamber and the sixth oil chamber are respectively connected with a left cleaning device lubricating access point and a right cleaning device lubricating access point through an oil pipe.

13. The combined multipoint independently lubricated open-running drip system of claim 9, wherein: the oil tank is also provided with a fifth oil chamber and a sixth oil chamber which are independent from each other, and bottom oil outlets of the fifth oil chamber and the sixth oil chamber are respectively connected with a left cleaning device lubricating access point and a right cleaning device lubricating access point through an oil pipe.

14. The combined multipoint independently lubricated open-running drip system of claim 10, wherein: the oil tank is also provided with a fifth oil chamber and a sixth oil chamber which are independent from each other, and bottom oil outlets of the fifth oil chamber and the sixth oil chamber are respectively connected with a left cleaning device lubricating access point and a right cleaning device lubricating access point through an oil pipe.