CN110925406A

CN110925406A - Cutting speed reducer and tunneling and anchoring machine

Info

Publication number: CN110925406A
Application number: CN201911402489.4A
Authority: CN
Inventors: 米中生; 邬明均; 安博; 陈春辉; 韦冬生
Original assignee: NANJING HIGH PRECISION GEAR GROUP CO Ltd; Nanjing High Speed Transmission Equipment Group Co Ltd
Current assignee: Nanjing High Speed and Accurate Gear Group Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-03-27

Abstract

The application discloses cutting reduction gear and anchor driving machine relates to the technical field of reduction gear. The cutting speed reducer of this application includes box, lubricated subassembly, input assembly, drive assembly and output assembly, and lubricated subassembly is located in the box. The input assembly is arranged in the box body and comprises an input shaft; the transmission assembly is arranged in the box body and comprises a transmission shaft, and the transmission shaft is in transmission connection with the input shaft; the output assembly is arranged in the box body and is in transmission connection with the transmission shaft; wherein, input assembly is equipped with one, and output assembly is equipped with two, locates the both ends of transmission shaft respectively. So this application locates the lubricating-oil pump in the box, can realize better lubricated effect. And this application realizes single input dual output structure through input assembly, drive assembly and output assembly, and production efficiency is higher, and the security is higher.

Description

Cutting speed reducer and tunneling and anchoring machine

Technical Field

The application relates to the technical field of reducers, in particular to a cutting reducer and a tunneling and anchoring machine.

Background

Along with the continuous development of modern coal mining technology, higher requirements are put forward on coal mining equipment, on one hand, a high-speed and high-efficiency tunneling technology is required to ensure the rapid production, and on the other hand, higher requirements are put forward on the safety and good environment of personnel. Under the requirement, the original mode of adopting the heading machine or the continuous mining machine to mine firstly and then anchor cannot meet the development requirement, and the heading and anchoring machine is produced on the basis. Compared with the original tunneling equipment, the tunneling and anchoring machine can realize the functions of cutting, loading, transporting and anchoring.

The cutting reducer of the driving and anchoring machine is a key part for realizing the work of the cutting roller of the driving and anchoring machine. However, in the prior art, the lubricating oil pump of the cutting speed reducer is generally arranged outside the box body, and the lubricating effect is poor.

Disclosure of Invention

An object of this application provides a cutting reduction gear and anchor driving machine, and it locates the lubricating oil pump in the box, can realize better lubricated effect.

The embodiment of the application is realized as follows:

a cutting speed reducer comprises a box body, a lubricating assembly, an input assembly, a transmission assembly and an output assembly, wherein the lubricating assembly is arranged in the box body. The input assembly is arranged in the box body and comprises an input shaft; the transmission assembly is arranged in the box body and comprises a transmission shaft, and the transmission shaft is in transmission connection with the input shaft; the output assembly is arranged in the box body and is in transmission connection with the transmission shaft; the input assembly is provided with one, and the output assembly is provided with two which are respectively arranged at two ends of the transmission shaft.

In one embodiment, the lubricating assembly comprises a lubricating oil pump, a lubricating oil suction pipe and a lubricating oil discharge pipe, one end of the lubricating oil suction pipe is connected with the lubricating oil pump, the other end of the lubricating oil suction pipe is provided with an opening, one end of the lubricating oil discharge pipe is connected with the lubricating oil pump, and the other end of the lubricating oil discharge pipe is connected with the box body;

in one embodiment, the lubricant pump is a gear pump, and the lubricant pump is in transmission connection with the input shaft.

In an embodiment, an observation hole is formed in the box body and located at the lubricating assembly, and an observation hole cover is covered at the observation hole.

In one embodiment, the input assembly includes a first gear disposed on the input shaft. The transmission assembly comprises an intermediate shaft, and the intermediate shaft is provided with a second gear and a first bevel gear; and a second bevel gear is arranged on the transmission shaft. Wherein the second gear is engaged with the first gear, and the first bevel gear is engaged with the second bevel gear.

In one embodiment, the axis of the input shaft is parallel to the axis of the intermediate shaft, and the axis of the intermediate shaft is perpendicular to the axis of the transmission shaft.

In one embodiment, the two output assemblies are arranged symmetrically along the axis of the input shaft.

In one embodiment, in each of the output assemblies, the output assembly includes a primary gear train assembly and a secondary gear train assembly, and the primary gear train assembly includes a primary sun gear, a primary planetary gear set, a primary planet carrier and a primary gear ring; the secondary gear train component comprises a secondary sun gear, a secondary planetary gear set, a secondary planet carrier and a secondary gear ring; the primary sun gear is arranged at the end part of the transmission shaft, the secondary gear ring is fixed on the primary planet carrier, and the secondary sun gear is rotatably arranged on the secondary planet carrier and is in transmission connection with the primary gear ring; and the secondary planet carrier is used for connecting the cutting drum.

In one embodiment, the primary ring gear has first and second internal teeth; the secondary sun gear has first and second outer teeth; wherein the first internal teeth mesh with the primary planetary gear set, the second internal teeth mesh with the second external teeth, and the first external teeth mesh with the secondary planetary gear set.

In one embodiment, the cutting reducer comprises two high-pressure oil assemblies, and the two high-pressure oil assemblies are respectively arranged at the two output assemblies and used for realizing the extension and retraction of the cutting drum.

In one embodiment, the high pressure oil assembly comprises a high pressure oil pipe, and one end of the high pressure oil pipe is connected to the first-stage planet carrier through a bolt.

In one embodiment, the box body is provided with sealing elements at the joint and the rotating part for sealing. The sealing element can be a floating seal, an oil seal, a sealing ring and the like.

The tunneling and anchoring machine comprises a motor, a cutting drum and a cutting speed reducer, wherein the cutting speed reducer is in transmission connection with the motor and the cutting drum, and the cutting speed reducer is the cutting speed reducer.

Compared with the prior art, the beneficial effect of this application is: this application locates the lubricating-oil pump in the box, can realize better lubricated effect. And this application realizes single input dual output structure through input assembly, drive assembly and output assembly, and production efficiency is higher, and the security is higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic diagram illustrating a cutting retarder according to an embodiment of the present application;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 of the present application;

FIG. 3 is a cross-sectional view taken along line C-C of FIG. 2 of the present application;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1 of the present application;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 1 of the present application;

FIG. 6 is an enlarged view of section D of FIG. 5 of the present application;

FIG. 7 is an enlarged view of section E of FIG. 5 of the present application;

fig. 8 is an enlarged view of portion F of fig. 5 of the present application.

Icon: 100-cutting reducer; 101-a box body; 102-a manhole cover; 103-a fifth oil seal seat; 104-a sixth bearing; 200-an input component; 201-an input shaft; 202-first left transparent cover; 203-a first bushing; 204-a first oil seal; 205-a first conditioner pad; 206-a first left bearing; 207-a first gear; 207 a-first wheel torus portion; 208-a first right bearing; 209-first right transparent cover; 300-a transmission assembly; 301-a second conditioning pad; 302-a second left bearing; 303-middle shaft; 304-a second gear; 305-a second right bearing; 306-a second transparent cover; 307-a first bevel gear; 401-a propeller shaft; 401 a-primary solar attachment aperture; 402-a bearing seat; 403-a fourth left bearing; 404-a second bevel gear; 405-a fourth right bearing; 500-an output component; 501-a first-stage planet carrier; 501 a-a first porthole; 501 b-a primary planet connecting end; 502-a primary planet pin; 503 — a primary planetary gear set; 504-a first pitch ring; 505-a first circlip; 506-a second distance ring; 507-a primary planet bearing; 508-primary sun gear; 508 a-primary solar connection end; 509-third adjustment pad; 510-a primary gear ring; 510 a-first internal teeth; 510 b-second internal teeth; 511-hollow pin; 512-bolt pad; 513-first order bolts; 515-a positioning sleeve; 515 a-flange; 516-locating pins; 601-a secondary planet carrier; 601 a-a second porthole; 601 b-oil pipe mounting hole; 603-a secondary planet bearing; 604 — a two-stage planetary gear set; 604 a-secondary planet shaft portions; 605-a third distance ring; 606-a baffle ring; 607-positioning bolt; 608-a secondary ring gear; 609-secondary sun gear; 609 a-first external toothing; 609 b-second external toothing; 609 c-secondary sun central hole; 610-a fourth distance ring; 611-secondary bolt; 612-a casing; 613-sixth oil seal seat; 614-fifth oil seal; 615-cylindrical pin; 616-a jacket; 700-a lubricating assembly; 701-lubricating oil pump; 702-suction lubrication oil tube; 703-lubricant outlet pipe; 800-high pressure oil assembly; 801-high pressure oil pipe; 802-a third clamp spring; 803-a third bearing; 804-third through cover; 805-a third bolt; 806-a third oil seal; 807-high pressure oil inlet; 808-a high pressure oil outlet; 001-scaffold; 003-first oil seal seat; 004-a second oil seal; 005-second oil seal seat; 006-third oil seal seat; 007-fourth oil seal seat; 008-a fifth bearing; 009-output hole.

Detailed Description

The terms "first," "second," "third," and the like are used for descriptive purposes only and not for purposes of indicating or implying relative importance, and do not denote any order or order.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should be noted that the terms "inside", "outside", "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when products of the application are used, and are used only for convenience in describing the application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application.

In the description of the present application, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

The technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 1, a schematic structural diagram of a cutting speed reducer 100 is shown according to an embodiment of the present disclosure. The tunneling and anchoring machine comprises a rack, a motor, a cutting speed reducer 100 and two cutting drums, wherein the cutting speed reducer 100 is in transmission connection with the motor and the cutting drums and is used for transmitting the driving force of the motor to the two cutting drums. The cutting reducer 100 comprises a box body 101, and the box body 101 is fixed on the frame through flange connection, bolt connection and the like.

The cutting drum of the excavator is high in power and low in rotating speed, the cutting capacity is high, and dust is less; the tunneling and anchoring machine is used for full-section mining, the cutting drum only needs to move up and down to complete roadway mining, the tunneling section is large, the tunneling and anchoring machine is suitable for the requirement of longwall mining, the tunneling speed of the roadway is high, the tunneling efficiency and the tunneling width are large, and the tunneling efficiency is high.

The cutting reducer 100 comprises an input assembly 200 and two output assemblies 500, wherein the input assembly 200 is arranged in the box body 101, and the input assembly 200 comprises an input shaft 201; the output assembly 500 is arranged in the box body 101 and is in transmission connection with the input assembly 200; the two output assemblies 500 are arranged in bilateral symmetry along the axis of the input shaft 201. Therefore, the single-input double-output structure is realized through the input assembly 200 and the output assembly 500, the production efficiency is high, and the safety is high.

The box 101 is provided with sealing elements at the joint and the rotation for sealing. The sealing element can be a floating seal, an oil seal, a sealing ring and the like.

Please refer to fig. 2, which is a cross-sectional view taken along a-a of fig. 1. The cutting decelerator 100 includes a drive assembly 300 disposed within the casing 101, the drive assembly 300 drivingly connecting the input assembly 200 and the output assembly 500.

The input assembly 200 includes a first gear 207, the first gear 207 being disposed on the input shaft 201. The transmission assembly 300 comprises a middle shaft 303 and a transmission shaft 401 (see fig. 3), wherein the middle shaft 303 is provided with a second gear 304 and a first bevel gear 307; the transmission shaft 401 is provided with a second bevel gear 404 (see fig. 3). Wherein the second gear 304 is engaged with the first gear 207, and the first bevel gear 307 is engaged with the second bevel gear 404.

The axis of the input shaft 201 is parallel to the axis of the intermediate shaft 303, and the axis of the intermediate shaft 303 is perpendicular to the axis of the transmission shaft 401.

In an operation process, the motor drives the input shaft 201 to rotate, the input shaft 201 drives the intermediate shaft 303 to rotate through the second gear 304 and the first gear 207, and the intermediate shaft 303 drives the transmission shaft 401 to rotate through the first bevel gear 307 and the second bevel gear 404.

In this embodiment, the input shaft 201 is rotatably mounted in the housing 101 through the first left transparent cover 202 at one end connected to the motor. The input shaft 201 is sleeved with a first shaft sleeve 203 at one end connected with the motor, and a first oil seal 204 is arranged on the box body 101 and positioned at the first left transparent cover 202 and used for sealing the input shaft 201.

The first gear 207 is fixed to the input shaft 201 by means of spline connection. The two ends of the first gear 207 are respectively provided with a first wheel convex ring part 207a, the two first wheel convex ring parts 207a are respectively sleeved with a first left bearing 206 and a first right bearing 208, wherein the first left bearing 206 is directly fixed on the box body 101, and the first right bearing 208 is fixed on the box body 101 through a first right transparent cover 209. Accordingly, a first adjustment pad 205 may be provided in a mounting hole on the case 101 corresponding to the first left bearing 206 for adjustment of the axial play of the first left bearing 206 and the first right bearing 208. The first left transparent cover 202 and the first right transparent cover 209 can be fixed in the box 101 by bolts.

The two ends of the intermediate shaft 303 are respectively sleeved with a second left bearing 302 and a second right bearing 305, wherein the second left bearing 302 is directly mounted on the box 101, and the second right bearing 305 is mounted on the box 101 through a first right transparent cover 209. The first right transparent cover 209 has two through holes for respectively passing through the first right bearing 208 and the second right bearing 305. Accordingly, a second adjustment pad 301 may be provided in the mounting hole of the case 101 corresponding to the second left bearing 302 for adjustment of the axial play of the second left bearing 302 and the second right bearing 305.

A second transparent cover 306 is connected to the first right transparent cover 209 through bolts, and the second transparent cover 306 can be axially positioned with the second right bearing 305. The second gear 304 is fixed to the intermediate shaft 303 by spline coupling, flat key coupling, or the like, and the first bevel gear 307 is formed integrally with the intermediate shaft 303.

A lubrication assembly 700 is also provided within the housing 101. Lubricating assembly 700 includes lubricating oil pump 701, inhales lubricating oil pipe 702 and goes out lubricating oil pipe 703, inhales lubricating oil pipe 702 one end and links to each other with lubricating oil pump 701, and one end sets up for the opening, goes out lubricating oil pipe 703 one end and links to each other with lubricating oil pump 701, and one end links to each other with box 101. In the embodiment, the lubricating oil pump 701 is arranged in the box body 101, so that a good lubricating effect can be realized.

In this embodiment, the lubricating oil pump 701 is a gear pump, a housing of the lubricating oil pump 701 is fixed to the first right transparent cover 209 by bolts, and a gear of the lubricating oil pump 701 is in transmission connection with the input shaft 201 by means of flat key connection or the like.

Wherein, the lubrication mode of the cutting decelerator 100 can be a forced lubrication mode and a splash lubrication mode. In an operation process, the lubricant pump 701 sucks the lubricant in the case 101 through the lubricant suction pipe 702 and discharges the lubricant through the lubricant discharge pipe 703, so that the components in the case 101 can be cooled and lubricated.

An observation hole is formed in the box body 101 and located at the lubricating component 700, and a transparent or semitransparent observation hole cover 102 is covered at the observation hole through bolt connection and the like, so that the lubricating condition of the lubricating component 700 can be monitored in real time through the observation hole cover 102, and adjustment can be performed in time.

Please refer to fig. 3, which is a cross-sectional view taken along the direction C-C in fig. 2. In each output assembly 500, the output assembly 500 includes a primary gear train assembly including a primary sun gear 508, a primary planetary gear set 503, a primary planet carrier 501, and a primary ring gear 510, and a secondary gear train assembly.

The primary sun gear 508 has a primary sun connecting end 508a, two ends of the transmission shaft 401 are respectively provided with a primary sun connecting hole 401a, and the primary sun connecting end 508a penetrates through the primary sun connecting hole 401a and is fixed through spline connection, threaded connection and the like. A third adjusting pad 509 is arranged in the first-stage sun connection hole 401a, and the third adjusting pad 509 is clamped between the first-stage sun connection end 508a and the inner bottom surface of the first-stage sun connection hole 401a and is used for adjusting the axial position of the first-stage sun gear 508.

The primary planetary gear set 503 includes a plurality of primary planetary gears rotatably provided on a primary planetary pin 502 via two primary planetary bearings 507. The primary planet pin 502 is fixed to the primary planet carrier 501. A first distance ring 504, a second distance ring 506 and a first clamp spring 505 are clamped in the two primary planet bearings 507, wherein the first distance ring 504 is used for positioning the inner rings of the two primary planet bearings 507, and the second distance ring 506 and the first clamp spring 505 are used for axially positioning the outer rings of the two primary planet bearings 507.

The primary gear train component moves at a reduced speed. In the primary gear train assembly, a primary planet carrier 501 is fixed on the box body, a primary sun gear 508 is a driving part, and a primary gear ring 510 is a driven part. In an operation process, the motor drives the input shaft 201 to rotate, and the input shaft 201 is driven by the transmission assembly 300 to rotate the transmission shaft 401. The transmission shaft 401 drives the primary sun gear 508 to rotate, and the primary sun gear 508 drives the primary ring gear 510 to rotate through the primary planetary gear set 503.

In one embodiment, the left and right end surfaces of the primary ring gear 510 are provided with wear-resistant coatings for axial positioning of the primary ring gear 510.

Please refer to fig. 4, which is a cross-sectional view taken along the direction B-B of fig. 1. In each output assembly 500, the secondary gear train assembly includes a secondary sun gear 609, a secondary planetary gear set 604, a secondary planet carrier 601, and a secondary ring gear 608. The secondary gear ring 608 is fixed on the primary planet carrier 501 through spline connection and the like, and the secondary sun gear 609 is rotatably arranged on the secondary planet carrier 601 and is in transmission connection with the primary gear ring 510; the secondary planet carrier 601 is used to connect the cutting drum.

The primary ring gear 510 has first internal teeth 510a and second internal teeth 510b (see fig. 3); the secondary sun gear 609 has first outer teeth 609a and second outer teeth 609 b; in this case, the first internal teeth 510a mesh with the primary planetary gear set 503, the second internal teeth 510b mesh with the second external teeth 609b, and the first external teeth 609a mesh with the secondary planetary gear set 604.

The secondary gear train component is in deceleration movement. In the secondary gear train assembly, the secondary ring gear 608 is fixed, the secondary sun gear 609 is a driving member, and the secondary planet carrier 601 is a driven member. In an operation process, the motor drives the input shaft 201 to rotate, and the input shaft 201 is driven by the transmission assembly 300 to rotate the transmission shaft 401. The drive shaft 401 drives the primary ring gear 510 to rotate via the primary gear train assembly. The primary ring gear 510 enables the secondary sun gear 609 to rotate through the second inner teeth 510b and the second outer teeth 609b, the secondary sun gear 609 drives the secondary planet carrier 601 to rotate through the first outer teeth 609a and the secondary planetary gear set 604 and the secondary ring gear 608, and the secondary planet carrier 601 drives the cutting drum to rotate.

In one embodiment, the secondary planet carrier 601 is provided with a wear resistant coating on the end surface near the casing 101 for preventing the axial play of the secondary ring gear 608.

The cutting reducer 100 comprises two high-pressure oil assemblies 800, wherein the two high-pressure oil assemblies 800 are symmetrically distributed along the axis of the input shaft 201 and are respectively arranged at the two output assemblies 500 for realizing the extension of the cutting drum. Therefore, the two output assemblies 500 of the embodiment are respectively provided with the independent high-pressure oil assemblies 800, so that the tunneling and anchoring machine is provided with the special hydraulic oil path system for realizing independent extension and retraction of the left cutting drum and the right cutting drum, the cutting drums installed outside the cutting speed reducer can be ensured to be independently extended and retracted, the left cutting drum and the right cutting drum of the tunneling and anchoring machine can be prevented from only extending and retracting synchronously, the tunneling and anchoring machine can realize the adjustment mode of different lengths of the left cutting drum and the right cutting drum, the compatibility is better, and the tunneling and anchoring machine can adapt to roadway mining with different widths.

The both ends of transmission shaft 401 are equipped with fourth left bearing 403 and fourth right bearing 405 respectively in the cover, and wherein the fourth right bearing 405 direct mount is on one-level planet carrier 501, and fourth left bearing 403 passes through bearing frame 402 and installs on one-level planet carrier 501. Accordingly, the fourth left bearing 403 and the fourth right bearing 405 may be axially positioned by the spigot and the snap spring.

Please refer to fig. 5, which is a cross-sectional view taken along the direction B-B of fig. 1. Please refer to fig. 6, which is an enlarged view of the portion D of fig. 5. A high-pressure oil inlet 807 and a high-pressure oil outlet 808 (see fig. 1) are arranged on the box body 101 (see fig. 1), the high-pressure oil assembly 800 comprises a high-pressure oil pipe 801, a first hole channel 501a is formed in the first-stage planet carrier 501, a second hole channel 601a and an oil pipe mounting hole 601b are formed in the second-stage planet carrier 601, the high-pressure oil pipe 801 penetrates through the first hole channel 501a and the second hole channel 601a, one end of the high-pressure oil pipe 801 is connected to the first-stage planet carrier 501 through bolts or threads, and the other end of the high-pressure oil pipe 801 is used for being connected with a hydraulic cylinder. A third bearing 803 is sleeved on the high-pressure oil pipe 801, the third bearing 803 is installed in a third transparent cover 804, and the third transparent cover 804 is connected in an oil pipe installation hole 601b through a third bolt 805. A third snap spring 802 is installed in the third transparent cover 804 and used for axially positioning the third bearing 803. A third oil seal 806 is mounted in the third transparent cover 804 for sealing lubricating oil in the cutting reducer 100.

In an operation process, high-pressure oil enters the box body 101 through a high-pressure oil inlet 807 on the box body 101, and enters the high-pressure oil pipe 801 through oil passages formed in the box body 101 and the first-stage planet carrier 501, so that the hydraulic cylinder of the tunneling and anchoring machine is driven to stretch and retract the cutting drum, and tunnels with different widths can be excavated.

In order to ensure that the high-pressure oil pipe 801 does not loosen during operation, the connecting threads of the high-pressure oil pipes 801 of the two high-pressure oil assemblies 800 and the first-stage planet carrier 501 are opposite in screwing direction, for example, one is left-handed and the other is right-handed.

Please refer to fig. 7, which is an enlarged view of the portion E of fig. 5. The primary planet carrier 501 is mounted on the case 101 through a hollow pin 511, a bolt pad 512 and a primary bolt 513, wherein the hollow pin 511 is sleeved on the primary bolt 513.

The primary planet carrier 501 is provided with a primary planet connecting end 501b, the secondary sun gear 609 is provided with a secondary sun central hole 609c, and the primary planet connecting end 501b extends into the secondary sun central hole 609c, so that the secondary sun gear 609 can be rotatably sleeved at the primary planet connecting end 501 b.

A positioning sleeve 515 is arranged in the secondary sun center hole 609c, one end of the positioning sleeve 515 extends into the secondary sun center hole 609c and is fixed on the primary planet carrier 501 through a positioning pin 516, and the other end of the positioning sleeve 515 is provided with a flange 515a which is abutted against the end face of the secondary sun gear 609, so that the movement of the secondary sun gear 609 is limited.

And a fourth distance ring 610 is erected at the joint of the primary planet carrier 501 and the secondary sun gear 609 and is used for realizing the axial positioning of the secondary sun gear 609. In one embodiment, a step is provided at the junction of the primary planet carrier 501 and the secondary sun gear 609.

The secondary planet carrier 601 is connected with a sleeve 612 through a secondary bolt 611, and the sleeve 612 is rotatably mounted on the box 101 through a sixth bearing 104. The casing 612 is connected with a sixth oil seal seat 613 through bolts, the box body 101 is connected with a fifth oil seal seat 103 through bolts, the fifth oil seal seat 103 is opposite to the sixth oil seal seat 613, and a fifth oil seal 614 is arranged between the sixth oil seal seats 613 of the fifth oil seal seat 103 and used for sealing lubricating oil of the cutting speed reducer 100.

In this embodiment, the secondary ring gear 608 is connected to the primary carrier 501 by a spline. The second-stage ring gear 608 and the first-stage planet carrier 501 are connected with a cylindrical pin 615, and the axial direction of the cylindrical pin 615 and the axial direction of the input shaft 201 are arranged in the same direction and are used for preventing the first-stage planet carrier 501 from moving towards the direction of the box body 101.

The secondary planetary gear set 604 includes a plurality of secondary planetary gears having integrally formed secondary planetary shaft portions 604a, and the secondary planetary shaft portions 604a are rotatably provided to the secondary carrier 601 through two secondary planetary bearings 603. The secondary planet gears in the secondary planetary gear set 604 have end face holes in their end faces, in which third distance rings 605 are located. The second-stage planet carrier 601 is fixedly connected with a baffle ring 606 through a positioning bolt 607 and an outer sleeve 616, and the baffle ring 606 is in contact with the end face of the second-stage planetary gear and can abut against a third distance ring 605 for realizing the axial positioning of the second-stage planetary gear set 604. Wherein, the outer sleeve 616 is sleeved outside the positioning bolt 607.

Please refer to fig. 8, which is an enlarged view of the portion F of fig. 5. The box 101 is connected with a support 001 in a flange connection mode, a bolt connection mode and the like, an output hole 009 is formed in the support 001 and located at the joint of the output assembly 500 and the frame, and the second-stage planet carrier 601 penetrates through the output hole 009 and then can be connected with the cutting drum through a spline and a square head. The cover is equipped with fifth bearing 008 on the second grade planet carrier 601, and in output hole 009 was located to fifth bearing 008, on 001 and lieing in output hole 009 department and being equipped with a plurality of oil seal seats, the oil seal seat was first oil seal seat 003, second oil seal seat 005, third oil seal seat 006, fourth oil seal seat 007 respectively, all was equipped with second oil blanket 004 in a plurality of oil seal seats for it is sealed.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cutting decelerator, comprising:

a box body;

the input assembly is arranged in the box body and comprises an input shaft;

the transmission assembly is arranged in the box body and comprises a transmission shaft, and the transmission shaft is in transmission connection with the input shaft;

the output assembly is arranged in the box body and is in transmission connection with the transmission shaft; and

the lubricating assembly is arranged in the box body and comprises a lubricating oil pump, a lubricating oil sucking pipe and a lubricating oil discharging pipe, one end of the lubricating oil sucking pipe is connected with the lubricating oil pump, the other end of the lubricating oil sucking pipe is provided with an opening, one end of the lubricating oil discharging pipe is connected with the lubricating oil pump, and the other end of the lubricating oil discharging pipe is connected with the box body;

the input assembly is provided with one, and the output assembly is provided with two which are respectively arranged at two ends of the transmission shaft.

2. The cutting reducer of claim 1, wherein the oil pump is a gear pump and the oil pump is in driving connection with the input shaft.

3. The cutting reducer of claim 2, wherein the housing defines a viewing opening at the lubrication assembly, the viewing opening being covered with a viewing cover.

4. The cutting reducer of claim 3, comprising:

and the two high-pressure oil assemblies are respectively arranged at the two output assemblies and used for realizing the extension and contraction of the cutting drum.

5. A cutting reducer according to any one of claims 1 to 4 in which the input assembly includes:

the first gear is arranged on the input shaft;

the transmission assembly includes:

the intermediate shaft is provided with a second gear and a first bevel gear; and

the second bevel gear is arranged on the transmission shaft;

wherein the second gear is engaged with the first gear, and the first bevel gear is engaged with the second bevel gear.

6. The cutting reducer of claim 5 wherein the axis of the input shaft is disposed parallel to the axis of the intermediate shaft, the axis of the intermediate shaft being disposed perpendicular to the axis of the drive shaft.

7. The cutting reducer of any one of claims 1 to 4, wherein the output assembly includes:

the primary gear train component comprises a primary sun gear, a primary planetary gear set, a primary planet carrier and a primary gear ring;

the secondary gear train component comprises a secondary sun gear, a secondary planetary gear set, a secondary planet carrier and a secondary gear ring;

the primary sun gear is arranged at the end part of the transmission shaft, the secondary gear ring is fixed on the primary planet carrier, and the secondary sun gear is rotatably arranged on the secondary planet carrier and is in transmission connection with the primary gear ring; and the secondary planet carrier is used for connecting the cutting drum.

8. The cutting reducer of claim 7, wherein the primary ring gear has first and second internal teeth;

the secondary sun gear has first and second outer teeth;

wherein the first internal teeth mesh with the primary planetary gear set, the second internal teeth mesh with the second external teeth, and the first external teeth mesh with the secondary planetary gear set.

9. Cutting reducer according to claim 1, characterised in that the tanks are provided with seals for sealing both at the coupling and at the rotation.

10. An anchor driving machine, comprising:

a motor;

a cutting drum; and

a cutting decelerator in driving connection with the motor and the cutting drum, the cutting decelerator being the cutting decelerator of any one of claims 1-9.