CN211474721U - Sleeve type fluid viscosity transmission clutch for shield machine - Google Patents

Abstract

The utility model relates to the technical field of clutches, in particular to a sleeve type hydraulic viscous transmission clutch for a shield machine, which comprises a box body, an inner box, a first shaft and a second shaft, wherein the inner end of the first shaft is fixedly connected with the right end of the inner box, the right side in the inner box is provided with a second driven drum, a second hydraulic friction pair is arranged between the inner box and the second driven drum, the inner box is provided with a third driven disc connected with the second driven drum, a second hydraulic adjusting mechanism is arranged between the third driven disc and the right inner wall of the inner box, the inner end of the second shaft is connected with the third driven disc, the inner side in the inner box is provided with a first driven drum, the left side in the inner box is provided with a first hydraulic friction pair, the inner box is internally provided with a second driven disc and a first driven disc, the outer sleeve of the second shaft is provided with a third shaft, the inner end of the third shaft extends into the inner box to be connected with the first driven disc, the double-shaft output and stepless speed regulation functions are realized, the occupied space is small, the coordination control is accurate, and the double-shaft output and stepless speed regulation device is suitable for a shield machine.

Description

Sleeve type fluid viscosity transmission clutch for shield machine

Technical Field

The utility model relates to a clutch technical field, concretely relates to shield constructs machine sleeve formula liquid glues transmission clutch.

Background

The hydro-viscous speed regulation clutch is a hydro-viscous transmission device, which is based on Newton's internal friction law, transfers power by means of liquid viscosity and oil film shearing, and regulates output rotating speed by changing oil film gap. The hydro-viscous brake adjusts the braking torque by changing the oil film gap based on newton's law of internal friction. The hydraulic viscous speed regulation clutch is different from a hydraulic viscous speed regulation clutch in that the hydraulic viscous speed regulation clutch is a power braking device and is mainly used in the field of abrasion-free braking, and the hydraulic viscous speed regulation clutch is a power transmission device and is mainly used in speed regulation and energy saving occasions of a large fan and a water pump.

The existing liquid-viscous transmission device is large in size, only can output single shaft, has large use limitation, and is large in size and complex in structure, and is not suitable for occasions with limited clutch size, such as a shield machine, a plurality of internal parts of the shield machine and high requirements for the size of the clutch, when the double-shaft output is to be realized, only two clutches can be connected in parallel to form a large clutch, and at present, no liquid-viscous speed regulation clutch can be used on the shield machine to realize the double-shaft output.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned defect, provide a shield constructs glutinous transmission clutch of shaft sleeve formula liquid for machine, can realize two kinds of functions of biax output and electrodeless speed governing simultaneously, shared space is little, and transmission simple structure is complicated, and coordinated control is accurate, is applicable to the shield and constructs the machine.

The utility model provides a technical scheme that its technical problem adopted as follows:

a sleeve type hydraulic-viscous transmission clutch for a shield machine comprises a box body, a rotatable inner box in the box body, a first shaft with a rotatable right end at the right end of the box body, and a second shaft with a rotatable left end at the left end of the box body, wherein the inner box is provided with a through hole communicated with the interior of the box body, the box body is filled with oil, the inner end of the first shaft extends to the interior of the box body and is fixedly connected with the right end of the inner box, the right side of the interior of the inner box is provided with a second driven drum, a second hydraulic friction pair for driving the inner box to the second driven drum is arranged between the inner box and the second driven drum, a third driven disc is arranged at the left side of the second driven drum in the inner box and is fixedly connected with the second driven drum, a second hydraulic adjusting mechanism for adjusting the friction degree between the second hydraulic friction pair is arranged between the third driven disc and the right inner wall of the inner box, the inner end of the first shaft extends to the third driven disc, the, the inner of secondary shaft extend to the inner box and be connected with the passive dish of third, the inside inboard of inner box is equipped with first passive drum, the inside left side of inner box is equipped with to the first hydraulic friction of first passive drum driven vice, the inner box is equipped with a second driven disk in the right side of first passive drum, be equipped with a first driven disk in the left side of first passive drum, the outside cover of secondary shaft is equipped with the third axle, the inner of third axle extends to the inner box and is connected with first passive dish, first driven disk, be equipped with the first hydraulic pressure adjustment mechanism of the vice friction degree of adjustment first hydraulic friction between the driven disk of second, the third axle, secondary shaft department is equipped with to first hydraulic pressure adjustment mechanism, the first fuel feeding mechanism of the vice mechanism fuel feeding of first hydraulic friction.

Furthermore, the second driven drum is disc-shaped, a second working oil cavity communicated with the first shaft is arranged inside the second driven drum, a second matching cavity for accommodating a second hydraulic friction pair is arranged outside the second driven drum, the second working oil cavity leads to the second hydraulic friction pair at the second matching cavity, the second hydraulic adjusting mechanism comprises a fourth piston cylinder arranged on the left side of the second hydraulic friction pair and a second piston cylinder arranged on the right side of the second hydraulic friction pair, the fourth piston cylinder comprises a fourth piston cylinder immovable part and a fourth piston cylinder movable part capable of axially reciprocating outside the fourth piston cylinder immovable part, a fourth piston cylinder movable part, a fourth piston cylinder immovable part and a third driven disc form a fourth oil cavity between the fourth piston cylinder movable part and the third driven disc, and the third driven disc is bent to the fourth piston cylinder part to form a radial limiting structure for the fourth movable part, the second piston cylinder comprises a second piston cylinder immovable part and a second piston cylinder movable part which can axially reciprocate and is arranged outside the second piston cylinder immovable part, a second piston cylinder oil cavity is formed among the second piston cylinder immovable part, the second piston cylinder movable part and the right inner wall of the inner box, a radial limiting structure which is bent and extends towards the movable part of the second piston cylinder and is used for limiting the movable part of the second piston cylinder is arranged at the corresponding position of the right inner wall of the inner box, the fourth piston cylinder movable part and the second piston cylinder movable part are respectively positioned at two sides of a second hydraulic friction pair, the second hydraulic friction pair comprises a plurality of second driving friction plates fixed on the inner box and a plurality of second driven friction plates fixed on a second driven drum, the second oil way mechanism comprises a second lubricating oil way arranged on the first shaft and a second control oil way arranged on the first shaft, and the second lubricating oil cavity is communicated with the second working, the second control oil way is communicated with the oil cavity of the second piston cylinder and the oil cavity of the fourth piston cylinder.

Furthermore, an axial cavity is formed in the inner end of the first shaft, a four-way oil pipe is arranged in the axial cavity, a shaft hole of the four-way oil pipe forms the second control oil path, a second lubricating oil path is formed between the outer wall of the four-way oil pipe and the inner wall of the axial cavity, oil seal discs in contact sealing with the inner wall of the axial cavity are arranged at two ends of the four-way oil pipe, and a first shaft radial oil path communicated with the second control oil path and a first shaft second radial oil path communicated with the second lubricating oil path are arranged at the corresponding position on the first shaft.

Furthermore, the first driven drum is disc-shaped, a first working oil cavity is arranged inside the first driven drum, a first matching cavity for accommodating a first hydraulic friction pair is arranged outside the first driven drum, the first working oil cavity leads to the first hydraulic friction pair at a first matching position, the first hydraulic adjusting mechanism comprises a first piston cylinder arranged on the left side of the first hydraulic friction pair and a third piston cylinder arranged on the right side of the first hydraulic friction pair, the first piston cylinder comprises a first piston cylinder immovable part and a first movable piston cylinder part capable of axially reciprocating outside the immovable part of the first piston cylinder, a first piston cylinder oil cavity is formed among the movable part of the first piston cylinder, the immovable part of the first piston cylinder and the first driven disc, and the outside of the first driven disc is bent towards the movable part of the first piston cylinder to form a radial limiting structure for the movable piston cylinder part of the first piston cylinder, the third piston cylinder comprises a third piston cylinder immovable part and a third piston cylinder movable part which can axially reciprocate and is arranged outside the third piston cylinder immovable part, a third piston cylinder oil cavity is formed among the third piston cylinder immovable part, the third piston cylinder movable part and a second driven plate, the outer end of the second driven plate is provided with a radial limit structure which is bent and extended towards the third piston cylinder movable part and is used for limiting the third piston cylinder movable part, the third piston cylinder movable part and the third piston cylinder movable part are respectively positioned at two sides of a first hydraulic friction pair, the first hydraulic friction pair comprises a plurality of first driving friction plates fixed on the inner box and a plurality of first driven friction plates fixed on the first driven drum, the first oil way mechanism comprises a first lubricating oil way arranged at a third shaft and a first control oil way arranged at the third shaft and a second shaft, and the first lubricating oil way is communicated with the first working, the first control oil way is communicated with the oil cavity of the first piston cylinder and the oil cavity of the third piston cylinder.

Further, a shaft sleeve is arranged between the second shaft and the third shaft, an axial oil passage inside the shaft sleeve is formed between the inner wall of the shaft sleeve and the outer wall of the second shaft, a first axial oil passage of the third shaft is arranged on the third shaft outside the shaft sleeve, a first radial oil passage of the third shaft communicated with the first axial oil passage of the third shaft and a second radial oil passage of the third shaft communicated with the axial oil passage inside the shaft sleeve are also arranged on the third shaft along the radial direction, the inner end of the third shaft extends to the right side of the first driven disc, the first axial oil passage of the third shaft is communicated with the first working oil chamber, a radial oil pipe of the shaft sleeve is arranged on the shaft sleeve corresponding to the oil chamber of the first piston cylinder, the inner end of the radial oil pipe of the shaft sleeve is communicated with the axial oil passage inside the shaft sleeve, the outer end of the radial oil pipe of the shaft sleeve is, The third shaft second radial oil passage and the shaft sleeve radial oil pipe form the first control oil passage, and the third shaft first axial oil passage and the third shaft first radial oil passage form the first lubricating oil passage.

Further, the outer end of second shaft pass through outer end bearing and third axle rotatable fit, the inner of second shaft passes through the inside rotatable fit of third bearing and second passive dish, the third axle pass through first bearing and box rotatable fit, pass through the second bearing cooperation between inner box left end and box, first axle and box between pass through the cooperation of fourth bearing.

Furthermore, the left part of the box body is provided with a third shaft transparent cover for supporting a third shaft, and the right part of the box body is provided with a first shaft transparent cover for supporting a first shaft.

Furthermore, the axes of the first shaft, the second shaft, the first driving drum, the second driven drum, the first driven disc, the second driven disc, the third driven disc and the inner box are on the same straight line.

Furthermore, the joint of the second driven drum and the immovable part of the second piston is matched through a fifth bearing.

Further, the inner box comprises a driving drum, a first driving disc on the left side of the driving drum and a second driving disc on the right side of the driving drum, an oil outlet is formed in the box body, and the oil outlet is connected with a hydraulic oil circulating device.

The utility model has the advantages that: by adopting the scheme, the method has the advantages that,

1) the utility model realizes two functions of stepless speed regulation and double-shaft output of the hydro-viscous speed regulation clutch on one device;

2) the utility model adopts the same oil pressure control system, the working condition of the first speed regulating mechanism and the working condition of the second speed regulating mechanism are mutually corresponding and coordinated, the torque can be transmitted to the transmission system according to the requirement, the output rotating speed can be steplessly regulated, and the speed regulation of the transmission system can be controlled;

3) one end of the utility model is provided with a first shaft, the other end is provided with a second shaft and a third shaft which are communicated with the shaft center, which is equivalent to integrating two speed-adjusting clutches into a whole to form a double-shaft output, and can effectively solve a series of problems of large occupied space, high price cost and the like;

4) the utility model discloses first speed adjusting mechanism is through setting up first piston cylinder immobility part at the tip of third axle, and the third axle tip sets up first passive drum to constitute first working oil pocket between first piston cylinder immobility part and first passive drum, the utility model discloses second speed adjusting mechanism is through setting up fourth piston cylinder immobility part and second passive drum in inside bearing department, thereby constitute second working oil pocket between fourth piston cylinder immobility part and second passive drum, and through improving the lubricated oil circuit, make full use of the centrifugal force of oil pocket with the even throw-in of lubricating oil between the friction pair, make form even oil film between the friction pair of first speed adjusting mechanism and second speed adjusting mechanism, thereby improve the speed governing performance of device;

5) the utility model discloses a first speed adjusting mechanism and second speed adjusting mechanism all adopt the two-way mode that compresses tightly of double piston through changing the control oil circuit to make the vice displacement mode of friction become two-way displacement by one-way displacement, the displacement degree of consistency improves more than 2 times respectively, and from this, the corresponding improvement of even degree of oil film is more than 2 times, can further improve the speed governing performance of device.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

Fig. 1 is a schematic view of a longitudinal cross-sectional structure according to an embodiment of the present invention.

Fig. 2 is a schematic partial cross-sectional view of the first working oil chamber according to an embodiment of the present invention.

Fig. 3 is a schematic partial cross-sectional view of the second working oil chamber according to an embodiment of the present invention.

Fig. 4 is a schematic partial cross-sectional view of a shaft sleeve according to an embodiment of the present invention.

Fig. 5 is a schematic partial cross-sectional view of a third driven disk according to an embodiment of the present invention.

Fig. 6 is a schematic partial cross-sectional view of a fitting portion of the second shaft and the third shaft according to an embodiment of the present invention.

Fig. 7 is a schematic partial cross-sectional view of a first shaft according to an embodiment of the present invention.

Wherein: 1 is a first shaft, 11 is a first shaft first radial oil passage, 12 is a first shaft second radial oil passage, 11 is a first shaft first radial oil passage, 2 is a fourth bearing, 3 is a fifth bearing, 4 is a second driving disk, 5 is a set screw, 6 is a second working oil chamber, 7 is a second driven drum, 8 is a second driving friction plate, 9 is a second driven friction plate, 13 is a driving drum, 16 is an upper case, 17 is a third driven disk, 18 is a second driven disk, 20 is a first driving friction plate, 21 is a first driven friction plate, 22 is a first driven drum, 221 is a first working oil chamber, 23 is a first piston cylinder, 231 is a first piston movable portion, 232 is a first piston immovable portion, 232 is a first piston oil chamber, 24 is a first driven disk, 25 is a first driving disk, 28 is a second bearing, 29 is a first bearing, 30 is a third shaft, 301 is a third axial first radial oil passage, 302 is a third-axis first radial oil passage, 303 is a third-axis second radial oil passage, 303 is a third-axis first radial oil passage, 30e is a third radial oil passage of a second axis, 31 is a third-axis through cover, 311 is a third-axis through-covered lubricant oil pipe, 312 is a third-axis through-covered pressure oil pipe, 32 is a lower case, 33 is a packing, 37 is a first-axis through cover, 371 is a first-axis through-cover pressure oil pipe, 372 is a first-axis through-cover lubricant oil pipe, 39 is a fourth piston cylinder 391, 43 is a fourth piston cylinder immovable portion, 392 is a fourth piston cylinder immovable portion, 393 is a fourth piston cylinder oil chamber, 40 is a second piston cylinder, 401 is a second piston cylinder immovable portion, 402 is a second piston cylinder immovable portion, 403 is a second piston cylinder oil chamber, 43 is a third piston cylinder, 431 is a third immovable portion, 432 is a third piston cylinder movable portion, 433 is a third piston cylinder oil chamber, 44 is a second shaft, 45 is a four-way oil pipe, 45a is a four-way oil pipe axial oil passage, 45b is a four-way oil pipe radial oil passage, 46 is an outer end bearing, 48 is a third bearing, 49 is a left oil seal disc, 491 is a right oil seal disc, 52 is a shaft sleeve, 521 is a shaft sleeve internal axial oil passage, and 522 is a shaft sleeve radial oil pipe.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1-7, a sleeve type hydraulic viscous transmission clutch for a shield tunneling machine comprises a box body, a rotatable inner box inside the box body, a first shaft 1 with a rotatable right end of the box body, and a second shaft 44 with a rotatable left end of the box body, wherein in the embodiment, the first shaft side is taken as the right side of the clutch, the second shaft side is taken as the left side of the clutch, the box body comprises an upper box body 16 and a lower box body 32, the structure of the upper box body 16 and the lower box body 32 is convenient for assembling the clutch, the inner box comprises a cylindrical driving drum 13, a disk-shaped first driving disk 25 at the left side of the driving drum 13, a disk-shaped second driving disk 4 at the right side of the driving drum 13, the first driving disk 25, the driving drum 13 and the second driving disk 4 form the inner box, the driving drum 13 is provided with a plurality of through holes communicated with the box body, the box body and the inner box are, the outer side of a first driving disc 25 is rotatably matched with the box body through a second bearing 28, a second driving disc is connected with a position corresponding to a first shaft and a second piston assembly, a second driven disc is connected with a fourth piston immovable part through screws, the inner end of the first shaft 1 extends into the box body and is fixedly connected with the outer wall of the right end of the second driven disc 4 through screws, a disc-shaped second driven drum 7 is arranged on the inner side of the second driven disc 4, a second hydraulic friction pair for driving the driving drum to the second driven drum 7 is arranged between the second driven disc 4 and the second driven drum 7, a third driven disc 17 is arranged on the left side of the second driven drum 7 in the inner box, the third driven disc 17 is fixedly connected with the second driven drum 7 through fixing screws 5, a second hydraulic adjusting mechanism for adjusting the friction degree between the second hydraulic friction pairs is arranged between the third driven disc 17 and the second driven disc 4, the inner end of the first shaft 1 extends to the third driven disc 17, the first shaft 1 is provided with a second oil way mechanism for supplying oil to a second hydraulic friction pair and a second hydraulic adjusting mechanism, the inside of a second driven drum 7 is provided with a second working oil cavity 6 which is communicated with the first shaft 1 and is used for lubricating, the outside of the second driven drum 7 is provided with a second matching cavity for accommodating the second hydraulic friction pair, the second working oil cavity 6 leads to the second hydraulic friction pair at the second matching cavity, the second hydraulic adjusting mechanism comprises a fourth piston cylinder 39 arranged at the left side of the second hydraulic friction pair and a second piston cylinder 40 arranged at the right side of the second hydraulic friction pair, the fourth piston cylinder 39 comprises a fourth piston cylinder immovable part 391 and a fourth piston cylinder movable part 392 which can axially reciprocate at the outside of the fourth piston cylinder immovable part 391, and a fourth piston cylinder 393 is formed among the fourth piston cylinder immovable part 391, the fourth piston cylinder immovable part 392 and the third driven disc 17, the outside of the third driven plate 17 is bent toward the fourth piston cylinder movable portion 392 to form a radial stopper structure for the fourth piston cylinder movable portion 392, the radial position of the fourth piston cylinder movable portion 392 is maintained, and a seal ring 33 is provided at the mating portion of the fourth piston cylinder movable portion 392 and the fourth piston cylinder immovable portion 391.

The second piston cylinder 40 comprises a second piston cylinder immovable part 401 and a second piston cylinder movable part 402 which is arranged outside the second piston cylinder immovable part 401 and can reciprocate along the axial direction, a second piston cylinder oil cavity 403 is formed among the second piston cylinder immovable part 401, the second piston cylinder movable part 402 and the second driving plate 4, a radial limiting structure which is bent towards the second piston cylinder movable part 402 and extends towards the second piston cylinder movable part 402 is arranged at the corresponding position of the second driving plate 4 and limits the radial position, sealing rings are arranged at the matching surfaces of the second piston cylinder immovable part 401 and the second piston cylinder movable part 402, a fourth piston cylinder movable part 392 and the second piston cylinder movable part 402 are respectively arranged at two sides of a second hydraulic friction pair, the second hydraulic friction pair comprises a plurality of second driving friction plates 8 fixed on the driving drum 13 and a plurality of second driven friction plates 9 fixed on the second driven drum 7, the second oil path mechanism comprises a second lubricating oil path arranged on the first shaft 1 and a second control oil path arranged on the first shaft 1, the second lubricating oil path is communicated with the second working oil chamber 6, the second control oil path is communicated with the second piston cylinder oil chamber 403 and the fourth piston cylinder oil chamber 393, and the moving directions of the movable part of the first piston cylinder and the movable part of the fourth piston cylinder are opposite.

The inner end of the first shaft 1 is provided with a shaft cavity, a four-way oil pipe 45 is arranged in the shaft cavity, a second control oil way is formed in a shaft hole of the four-way oil pipe 45, a second lubricating oil way is formed between the outer wall of the four-way oil pipe 45 and the inner wall of the shaft cavity, a left oil sealing disc 49 is arranged at the left end of the four-way oil pipe 45, a right oil sealing disc 491 is arranged at the right end of the four-way oil pipe 45, the left oil sealing disc 49 is located on the right side of an opening in the inner side of an oil cavity 393 of the fourth piston cylinder, the second control oil way and the second lubricating oil way are separated at the position by the left oil sealing disc, a four-way structure of the four-way oil pipe 45 corresponds to the opening in the inner side of the oil cavity of the second piston cylinder, the control oil enters the oil cavity.

The first radial oil duct 11 of the first axle that corresponds department is equipped with intercommunication second control oil circuit on the first axle 1, and the first radial oil duct 12 of the first axle that communicates the second lubricated oil circuit, the first axle that the box left side outside was equipped with and supports the first axle 1 passes through the lid 37, the first axle passes through to be equipped with the same first axle on the lid 37 and passes through lid pressure oil pipe 371 with it corresponding first axle, it passes through lid lubricating oil pipe 372 to correspond first axle second radial oil duct 12 department, outside control oil of being convenient for, entering into the second control oil circuit that lubricating oil corresponds, in the second lubricating oil circuit, the oil circuit sets up along the first axle axial, help reducing the volume, be convenient for set up, the compactness of improvement structure.

The inner end of the second shaft 44 extends into the inner box and is connected with the third driven disc 17, the inner side of the inner box is provided with a first disc-shaped driven drum 22, the left side of the driving drum 13 is provided with a first hydraulic friction pair which is used for driving the first driven drum 22, the right side of the first driven drum in the inner box is provided with a second driven disc 18, the left side of the first driven drum is provided with a first driven disc 24, the outer part of the second shaft 44 is sleeved with a third shaft 30, the inner end of the third shaft 30 extends into the inner box and is connected with the first driven disc 24, a first hydraulic adjusting mechanism which is used for adjusting the friction degree between the first hydraulic friction pairs is arranged between the first driven disc 24 and the second driven disc 18, the first shaft 30 and the second shaft 44 are provided with a first hydraulic adjusting mechanism which is used for supplying oil to the first hydraulic adjusting mechanism and the first hydraulic friction pair mechanism, a first working oil cavity 221 is arranged inside the first driven drum 22, and a first matching cavity which is used for accommodating the first hydraulic friction pair is arranged outside the first, the first working oil cavity 221 leads to a first hydraulic friction pair at a first matching position, the first hydraulic adjusting mechanism comprises a first piston cylinder 23 arranged at the left side of the first hydraulic friction pair and a third piston cylinder 43 arranged at the right side of the first hydraulic friction pair, the first piston cylinder 23 comprises a first piston cylinder immovable part 231 and a first piston cylinder movable part 232 capable of axially reciprocating outside the first piston cylinder immovable part 131, a first piston cylinder movable part 232, a first piston cylinder immovable part 231 and a first driven plate 24 form a first piston cylinder oil cavity 233, the first driven plate 24 is bent outside the first piston cylinder movable part 232 to form a radial limiting structure for the first piston cylinder movable part, a sealing ring 33 is arranged at the joint of the first piston cylinder movable part 232 and the first piston cylinder immovable part 231 to avoid control oil leakage, and the third piston cylinder 43 comprises a third immovable part 431, A third piston cylinder movable part 432 which can reciprocate along the axial direction and is arranged outside the third piston cylinder immovable part 431, a third piston cylinder oil cavity 433 is formed among the third piston cylinder immovable part 431, the third piston cylinder movable part 432 and the second driven plate 18, the outer end of the second driven plate 18 is provided with a radial limit structure which is bent and extended towards the third piston cylinder movable part and is used for limiting the third piston cylinder movable part, a sealing ring 33 is arranged at the matching position of the third piston cylinder movable part 432 and the third piston cylinder immovable part 431, the third piston cylinder movable part and the third piston cylinder movable part are respectively arranged at two sides of the first hydraulic friction pair, the moving directions of the third piston cylinder movable part and the first piston cylinder movable part are opposite, and the second control oil way controls the two hydraulic friction pairs to simultaneously extrude and compress the second hydraulic friction pair, so that the sensitivity is better, the synchronous operation is realized, and the control consistency is improved.

The first hydraulic friction pair comprises a plurality of first driving friction plates 20 fixed on the left side of the driving drum and a plurality of first driven friction plates 21 fixed on the first driven drum 22, the first driving friction plates 20 and the first driven friction plates 21 are arranged alternately, the first oil way mechanism comprises a first lubricating oil way arranged at a third shaft 30 and a first control oil way arranged at the third shaft and the second shaft, the first lubricating oil way is communicated with a first working oil cavity 221, the first control oil way is communicated with a first piston cylinder oil cavity and a third piston cylinder oil cavity,

a shaft sleeve 52 is arranged between the second shaft 44 and the third shaft 30, a shaft sleeve inner axial oil channel 521 is formed between the inner wall of the shaft sleeve 52 and the outer wall of the second shaft 44, a third shaft first axial oil channel 301 is arranged on the third shaft 30 at the outer side of the shaft sleeve 52, a third shaft first radial oil channel 302 communicated with the third shaft first axial oil channel 301 and a third shaft second radial oil channel 303 communicated with the shaft sleeve inner axial oil channel 301 are further arranged on the third shaft 30 along the radial direction, the inner end of the third shaft 30 extends to the right side of the first driven disc 24, the first axial oil channel 301 of the third shaft 30 is communicated with the first working oil cavity 221, a shaft sleeve radial oil pipe 522 along the radial direction is arranged on the shaft sleeve 52 corresponding to the first piston cylinder, the inner end of the shaft sleeve radial oil pipe 522 is communicated with the shaft sleeve inner axial oil channel, the outer end of the shaft sleeve radial oil pipe 522 is communicated with the first piston cylinder, the axial oil passage, the third shaft second radial oil passage and the shaft sleeve radial oil pipe in the shaft sleeve form a first control oil passage, the third shaft first axial oil passage and the third shaft first radial oil passage form a first lubricating oil passage, the outer end of the second shaft 44 is in rotatable fit with the third shaft 30 through an outer end bearing 46, the inner end of the second shaft 44 is in rotatable fit with the inner part of the second driven disc 18 through a third bearing 48, the third shaft 30 is in rotatable fit with the box body through a first bearing 29, the first shaft 1 is in fit with the box body through a fourth bearing 2, the left part of the box body is provided with a third shaft transparent cover 31 for supporting the third shaft 30, a lubricating oil pipe 311 communicated with the third shaft transparent cover and a pressure oil pipe 312 communicated with the third shaft transparent cover are arranged on the third shaft transparent cover 31 corresponding to the third shaft first radial oil passage, and a first control oil passage is communicated with the third shaft second radial oil passage through the third shaft transparent, The first lubricating oil path is internally supplied with oil liquid, the structure is compact, the size is reduced, the axes of the first shaft, the second shaft, the first driving drum, the second driven drum, the first driven disc, the second driven disc, the third driven disc and the inner box are positioned on the same straight line, the matching precision is improved, and the connecting part of the second driven drum 7 and the immovable part of the second piston cylinder is matched through the fifth bearing 3, so that the rotating smoothness is improved.

The second shaft, the third shaft transparent cover, the first driving friction plate, the first driven friction plate, the driving drum, the first driven disc, the first piston cylinder and the control oil pipe form a first speed regulating mechanism of the clutch, and the first shaft, the first shaft transparent cover, the second driving friction plate, the second driven friction plate, the driving drum, the third driven disc and the second piston cylinder form a second speed regulating mechanism of the clutch.

The working process is as follows: when the first active friction plate and the passive friction plate are completely pressed under the action force of the first piston cylinder and the third piston cylinder, and the oil film torque capacity between the first active friction plate and the first passive friction plate is maximum, if the second active friction plate and the second passive friction plate are completely pressed under the action force of the second piston cylinder and the fourth piston cylinder, the hydro-viscous transmission device is correspondingly positioned in a three-shaft synchronous transmission working condition, if the second active friction plate and the second passive friction plate are completely separated under the action force of the second piston cylinder and the fourth piston cylinder, the device is in a double-shaft transmission working condition, namely, a first shaft and a third shaft synchronously rotate, if the active friction plate and the passive friction plate are completely separated under the action force of the first piston cylinder and the third piston cylinder, and if the second active friction plate and the second passive friction plate are completely pressed under the action force of the second piston cylinder and the fourth piston cylinder, the device is in a double-shaft transmission working condition, when the system has certain control pressure oil, control oil gets into first, three piston cylinders and second, four piston cylinders respectively from the oil circuit of third axle, can adjust the oil film thickness size between initiative friction disc, passive friction disc simultaneously through changing control oil pressure size to and the oil film thickness size between second initiative friction disc, second passive friction disc, at this moment, the utility model discloses a sleeve shaft formula liquid glutinous transmission is in half transmission operating mode to both can realize transmitting the moment of torsion, the stepless regulation output speed, can realize triaxial asynchronous rotation again.

The utility model discloses embodiment's first speed adjusting mechanism includes two piston cylinders: the first piston cylinder comprises a first driven disc, a first piston cylinder immovable part and a first piston cylinder movable part, the first driven disc and a third shaft are fixedly connected with the first piston cylinder immovable part and a first driven drum through screws, one end surface of the first piston cylinder movable part is fixedly connected with a first driven friction plate closest to the first driven friction plate group, the other end surface of the first piston cylinder movable part is connected with the first driven disc through a sealing ring, and the first piston cylinder is formed between the first driven disc and the first movable part, when pressure oil enters the first piston cylinder, the movable part of the first piston cylinder drives the first driven friction plate to move towards the direction far away from the first driven plate, so that the first driving friction plate and the first driven friction plate are pressed tightly, and when the pressure oil pressure of the first piston cylinder is reduced, the movable part of the first piston cylinder drives the first driven friction plate to move towards the direction where the first driven plate is located, so that the first driving friction plate and the first driven friction plate are separated from each other.

The third piston cylinder is in bilateral symmetry relative to the first piston cylinder, the third piston cylinder can comprise a second driven disc and a third piston cylinder movable portion, one end face of the third piston cylinder movable portion is fixedly connected with one driven friction disc closest to the end face in the driven friction disc group, the other end face of the third piston cylinder movable portion is connected with the second driven disc through a sealing ring, a third piston cylinder oil cavity is formed between the second driven disc and the third piston cylinder movable portion, and the third piston cylinder oil cavity is communicated with an axial oil channel in the shaft sleeve on the second shaft.

The axial center of the four-way oil pipe is provided with a four-way oil pipe axial oil passage 45a, the four-way oil pipe is provided with a radial four-way oil pipe radial oil passage 45b, the four-way oil pipe axial oil passage 45a is communicated with the second control oil passage, the four-way oil pipe radial oil passage 45b is part of the second control oil passage, the four-way oil pipe axial oil passage 45a is communicated with a fourth piston cylinder oil cavity 393 of the fourth piston cylinder through a left inner circular cavity 41a, and oil seal discs 49 are installed at two ends of the four-way oil pipe axial oil passage, so that pressure oil in the first shaft cavity is prevented from entering the lubricating oil pipe four-way oil pipe axial oil passage 45a through left and.

The utility model discloses there are four similar piston cylinders, constitute by piston cylinder movable part and piston cylinder immovable part, first piston cylinder immovable part promptly, first piston cylinder movable part, second piston cylinder immovable part, second piston cylinder movable part, third piston cylinder immovable part, third piston cylinder movable part, fourth piston cylinder immovable part, fourth piston cylinder movable part, working oil cavity area reduces like this, can make speed governing mechanism receive the undulant interference of pressure oil and alleviate.

The utility model discloses a support relation is: the second shaft is supported by the outer end bearing and the bearing third bearing, the third shaft is supported by the first bearing and the outer end bearing, the second bearing, the first bearing and the fourth bearing jointly support the upper box body and the lower box body, the first shaft is supported by the fourth bearing and fixed by screws, the first driving disc is supported by the second bearing, the second driving disc is supported by a circle of screws on a boss of the first shaft, the first driven drum is supported by the third shaft, and the second driven drum is supported by the screws and the third bearing jointly. And the central through holes and the first shaft inner circular cavity jointly form a second speed regulating mechanism inner circular cavity, a four-way oil pipe and an oil seal disc are arranged in the circular cavity, and the circular cavity is divided into a left inner circular cavity, a first shaft first axial oil passage and a right inner circular cavity.

The utility model discloses an embodiment's control oil circuit is: one path of control pressure oil enters a first radial oil duct of a third shaft from a radial oil duct on a third shaft through cover, then enters a third radial oil duct through an oil duct in the shaft sleeve between the second shaft and the third shaft, then enters an oil chamber of a third piston cylinder and an oil chamber of a first piston cylinder, and then enters an oil chamber of the third piston cylinder and an oil chamber of the first piston cylinder, so that the control pressure oil enters the first oil chamber and the third oil chamber of the first piston cylinder, the control pressure oil enters a lower working oil chamber, the control pressure oil in the upper part of the piston cylinder and the control pressure oil in the lower part of the piston cylinder are the pressure oil in the third shaft side, the four oil pressures are equal and easy to coordinate and control, so that the displacements of the upper part of the piston cylinder and the lower part of the piston cylinder are respectively equal in bilateral symmetry, the purpose of simultaneously controlling the motion of four pistons by only one working And the axial oil duct enters the left inner circular cavity, then enters the second piston cylinder oil cavity through the second piston cylinder oil duct, and simultaneously enters the fourth piston cylinder oil cavity through the fourth piston cylinder oil cavity oil duct of the radial oil duct of the four-way oil pipe.

The utility model discloses embodiment's lubricated oil circuit does: lubricating oil flows in from a first shaft through cover lubricating oil pipe, enters a first axial oil duct of the first shaft through a second radial oil duct of the first shaft, then a part of lubricating oil enters a second lubricating oil chamber, the other part of lubricating oil enters a lower half part lubricating oil chamber through the first axial oil duct, the other part of lubricating oil flows in from the third shaft through cover lubricating oil pipe, reaches a first axial oil duct of the third shaft through a first radial oil duct of the third shaft, and enters a first lubricating oil chamber through a first piston cylinder immovable part central hole oil duct, and as the first driven drum and the second driven drum can rotate with the first shaft 1 and the second shaft 44 at high speed constantly, the first lubricating oil chamber and the second lubricating oil chamber are driven to rotate at high speed, constant centrifugal force is generated by the two lubricating oil chambers respectively, and under the action of the centrifugal force, the lubricating oil flows through the first driven drum and the second driven, The macro-groove on the second driven drum gets into between first initiative friction disc, first passive friction disc and second initiative friction disc, the passive friction disc of second, can form even oil film from this, can improve greatly the utility model discloses shaft sleeve formula liquid glues transmission's speed governing performance.

Above the utility model discloses an embodiment's power transmission process does: the power input of working machines such as a fan, a water pump and the like can be input from the outer end of the first shaft and transmitted to the second driving disc through the first shaft, the second driving disc drives the driving drum to transmit to the second driving friction plate, the second driving friction plate transmits to the second driven friction plate through the shearing force of an oil film between the driving friction plate and the driven friction plate, the second driven friction plate transmits the force to the second driven drum, the second driven drum transmits to the third driven disc through a screw, the third driven disc transmits to the inner end of the second shaft, and finally the outer end of the second shaft outputs the power, meanwhile, the driving drum drives the first driving friction plate to transmit power to the first driven friction plate through the shearing action of an oil film between the driving friction plate and the driven friction plate, the first driven friction plate drives the first driven drum to transmit power to the first driven disc through the screw, the first driven disc transmits power to the inner end of the third shaft, and finally the outer end of the third shaft outputs power.

The power can also be input from the outer end of the third shaft in reverse, then the power is transmitted to the first driven disk through the inner end of the third shaft, the first driven disk transmits the power to the first driven drum, the first driven drum transmits the power to the first driven friction plate, the first driven friction plate transmits the power to the first driving friction plate through the shearing action of an oil film between the driving friction plate and the driven friction plate, the driving friction plate drives the driving drum to drive the second driving disc to transmit to the inner end of the first shaft, and finally the power is output from the outer end of the first shaft, meanwhile, the input power is transmitted to a second driving friction plate through the driving drum, the second driving friction plate transmits the force to a second driven friction plate under the shearing action of an oil film between the dynamic friction plate and the static friction plate, the second driven drum is driven to be transmitted to the third driven disc through the screw and then to the outer end of the first shaft, and power is output from the outer end of the first shaft.

The power can also be input from the outer end of the second shaft, then the power is transmitted to a third driven disc through the inner end of the second shaft, the third driven disc is transmitted to a second driven drum through a screw, the power is transmitted to a second driving friction disc through a second driven friction disc arranged on the second driven drum, the second driving friction disc is transmitted to a driving drum, the driving drum drives a first driving friction disc to be transmitted to a first driven friction disc through oil film shearing force, the first driven friction disc drives a first driven drum to be transmitted to the first driven disc through the screw, the first driven disc transmits the power to the inner end of a third shaft, finally the power is output from the outer end of the third shaft, meanwhile, the driving drum drives a second driving disc to be transmitted to the inner end of the first shaft, and finally the power is output from the outer end of the first.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.

Claims (10)

1. A sleeve shaft type hydraulic viscous transmission clutch for a shield tunneling machine comprises a box body, a rotatable inner box in the box body, a first shaft with a rotatable right end of the box body, and a second shaft with a rotatable left end of the box body, wherein the inner box is provided with a through hole communicated with the interior of the box body, the box body is filled with oil liquid,

it is characterized in that the inner end of the first shaft extends into the box body and is fixedly connected with the right end of the inner box, a second driven drum is arranged at the right side in the inner box, a second hydraulic friction pair which is driven by the inner box to the second driven drum is arranged between the inner box and the second driven drum, a third driven disc is arranged at the left side of the second driven drum in the inner box and is fixedly connected with the second driven drum, a second hydraulic adjusting mechanism for adjusting the friction degree between the second hydraulic friction pair is arranged between the third driven disc and the right inner wall of the inner box,

the inner end of the first shaft extends to the third driven disc, the first shaft is provided with a second oil way mechanism for supplying oil to the second hydraulic friction pair and the second hydraulic adjusting mechanism,

the inner of secondary shaft extend to the inner box and be connected with the passive dish of third, the inside inboard of inner box is equipped with first passive drum, the inside left side of inner box is equipped with to the first hydraulic friction of first passive drum driven vice, the inner box is equipped with a second driven disk in the right side of first passive drum, be equipped with a first driven disk in the left side of first passive drum, the outside cover of secondary shaft is equipped with the third axle, the inner of third axle extends to the inner box and is connected with first passive dish, first driven disk, be equipped with the first hydraulic pressure adjustment mechanism of the vice friction degree of adjustment first hydraulic friction between the driven disk of second, the third axle, secondary shaft department is equipped with to first hydraulic pressure adjustment mechanism, the first fuel feeding mechanism of the vice mechanism fuel feeding of first hydraulic friction.

2. The sleeve type hydraulic viscous transmission clutch for the shield tunneling machine according to claim 1, wherein the second driven drum is disc-shaped, a second working oil chamber communicating with the first shaft is provided inside the second driven drum, a second mating chamber for accommodating the second hydraulic friction pair is provided outside the second driven drum, the second working oil chamber leads to the second hydraulic friction pair at the second mating chamber, the second hydraulic adjustment mechanism comprises a fourth piston cylinder provided on the left side of the second hydraulic friction pair and a second piston cylinder provided on the right side of the second hydraulic friction pair, the fourth piston cylinder comprises a fourth piston cylinder immovable portion and a fourth piston cylinder movable portion which is axially reciprocable outside the fourth piston cylinder immovable portion, and a fourth piston cylinder is formed between the fourth piston cylinder movable portion, the fourth piston cylinder immovable portion and the third driven disc oil chamber, the outer part of the third driven disc is bent towards the movable part of the fourth piston cylinder to form a radial limiting structure for the movable part of the fourth piston cylinder, the second piston cylinder comprises a second piston cylinder immovable part and a second piston cylinder movable part which can axially reciprocate and is arranged on the outer side of the second piston cylinder immovable part, a second piston cylinder oil cavity is formed between the second piston cylinder immovable part and the second piston cylinder movable part and the right inner wall of the inner box, a radial limiting structure which is bent towards the movable part of the second piston cylinder and extends towards the movable part of the second piston cylinder is arranged at the corresponding position of the right inner wall of the inner box, the fourth piston cylinder movable part and the second piston cylinder movable part are respectively arranged at two sides of a second hydraulic friction pair, the second hydraulic friction pair comprises a plurality of second driving friction plates fixed on the inner box and a plurality of second driven friction plates fixed on the second driven drum, and the second oil path mechanism comprises a second lubricating oil path arranged on the first shaft, And the second control oil way is arranged on the first shaft, the second lubricating oil way is communicated with the second working oil cavity, and the second control oil way is communicated with the second piston cylinder oil cavity and the fourth piston cylinder oil cavity.

3. The sleeve type hydraulic viscous transmission clutch for the shield tunneling machine according to claim 2, wherein a shaft cavity is formed at the inner end of the first shaft, a four-way oil pipe is arranged in the shaft cavity, a shaft hole of the four-way oil pipe forms the second control oil path, the second lubricating oil path is formed between the outer wall of the four-way oil pipe and the inner wall of the shaft cavity, oil seal discs in contact sealing with the inner wall of the shaft cavity are arranged at two ends of the four-way oil pipe, and a first shaft radial oil path communicated with the second control oil path and a first shaft second radial oil path communicated with the second lubricating oil path are arranged at corresponding positions on the first shaft.

4. The sleeve type hydraulic viscous transmission clutch for the shield tunneling machine according to claim 1, wherein the first driven drum is disc-shaped, a first working oil chamber is provided inside the first driven drum, a first mating chamber for accommodating the first hydraulic friction pair is provided outside the first driven drum, the first working oil chamber leads to the first hydraulic friction pair at the first mating position, the first hydraulic adjusting mechanism comprises a first piston cylinder arranged at the left side of the first hydraulic friction pair, and a third piston cylinder arranged at the right side of the first hydraulic friction pair, the first piston cylinder comprises a first piston cylinder immovable portion, a first piston cylinder movable portion which is axially and reciprocally movable outside the first piston cylinder immovable portion, the first piston cylinder immovable portion and the first driven disc form a first piston cylinder oil chamber therebetween, and the first driven disc is bent outward toward the first movable portion to form a radial position limiting structure for the first piston cylinder movable portion, the third piston cylinder comprises a third piston cylinder immovable part and a third piston cylinder movable part which can axially reciprocate and is arranged outside the third piston cylinder immovable part, a third piston cylinder oil cavity is formed among the third piston cylinder immovable part, the third piston cylinder movable part and the second driven plate, the outer end of the second driven plate is provided with a radial limiting structure which is bent and extended towards the third piston cylinder movable part and is used for limiting the third piston cylinder movable part, the third piston cylinder movable part and the third piston cylinder movable part are respectively positioned at two sides of the first hydraulic friction pair, the first hydraulic friction pair comprises a plurality of first driving friction plates fixed on the inner box and a plurality of first driven friction plates fixed on the first driven drum,

the first oil supply mechanism comprises a first lubricating oil path arranged at the third shaft and a first control oil path arranged at the third shaft and the second shaft, the first lubricating oil path is communicated with the first working oil cavity, and the first control oil path is communicated with the first piston cylinder oil cavity and the third piston cylinder oil cavity.

5. The sleeve type hydraulic viscous transmission clutch for the shield tunneling machine according to claim 4, wherein a sleeve is disposed between the second shaft and the third shaft, an axial oil passage inside the sleeve is formed between the inner wall of the sleeve and the outer wall of the second shaft, a first axial oil passage on the third shaft outside the sleeve is disposed, a first radial oil passage on the third shaft is disposed on the third shaft and communicated with the first axial oil passage on the third shaft, a second radial oil passage on the third shaft and communicated with the axial oil passage inside the sleeve, the inner end of the third shaft extends to the right side of the first driven disk, the first axial oil passage on the third shaft is communicated with the first working oil chamber, a radial sleeve radial oil pipe is disposed on the sleeve corresponding to the first piston cylinder, the inner end of the radial sleeve oil pipe is communicated with the axial oil passage inside the sleeve, the outer end of the radial sleeve oil pipe is communicated with the first piston cylinder oil chamber, and the inner end of the axial oil passage inside the sleeve extends, the first control oil way is formed by the axial oil way in the shaft sleeve, the third shaft second radial oil way and the shaft sleeve radial oil pipe, and the first lubricating oil way is formed by the third shaft first axial oil way and the third shaft first radial oil way.

6. The quill type hydrodynamic viscous transmission clutch for the shield tunneling machine according to claim 1, wherein an outer end of the second shaft is rotatably matched with a third shaft through an outer end bearing, an inner end of the second shaft is rotatably matched with the inside of the second driven disc through a third bearing, the third shaft is rotatably matched with the box body through a first bearing, the left end of the inner box is matched with the box body through a second bearing, and the first shaft is matched with the box body through a fourth bearing.

7. The sleeve type hydraulic viscous transmission clutch for the shield tunneling machine according to claim 1, wherein a third shaft transparent cover for supporting the third shaft is provided on the left part of the box body, and a first shaft transparent cover for supporting the first shaft is provided on the right part of the box body.

8. The sleeve type hydraulic viscous transmission clutch for the shield tunneling machine according to claim 1, wherein the axes of the first shaft, the second shaft, the first driving drum, the second driven drum, the first driven disc, the second driven disc, the third driven disc and the inner box are in the same straight line.

9. The sleeve type hydraulic viscous transmission clutch for the shield tunneling machine according to claim 1, wherein the joint of the second driven drum and the immovable part of the second piston is matched through a fifth bearing.

10. The sleeve type hydraulic viscous transmission clutch for the shield tunneling machine according to claim 1, wherein the inner box comprises a driving drum, a first driving disc on the left side of the driving drum, and a second driving disc on the right side of the driving drum, an oil outlet is formed in the box body, and the oil outlet is connected with a hydraulic oil circulating device.

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