CN223483355U - Cutting speed reducer for transverse shaft heading machine - Google Patents

Abstract

This application discloses a cutting reducer for a horizontal axis tunneling machine, relating to the field of reducers. The reducer comprises a housing, to which the I-axis assembly, the II-axis assembly, the forced lubrication and cooling system, the III-axis planetary assembly, and the output planetary head assembly are connected via fasteners. The housing is also provided with an oil suction pipe, and the pump oil suction pipe assembly of the forced lubrication and cooling system is connected to the oil suction pipe via a high-pressure hose assembly. This application transmits the power of the motor to the output internal gear ring through a coupling and the aforementioned four-stage gear transmission, and then transmits the power to the cutting drum via hexagonal or square grooves or involute splines to achieve the purpose of breaking coal and rock. Metal sealing rings and dust rings are used at the connection with the drum for dust sealing, which has greater wear resistance and higher reliability. V-rings and labyrinth rings are also arranged to comprehensively prevent dust from the floating seal, thereby increasing the service life of the floating seal and maximizing the protection of the cutting reducer.

Description

Cutting speed reducer for transverse shaft heading machine

Technical Field

The application relates to the field of speed reducers, in particular to a cutting speed reducer for a transverse shaft heading machine.

Background

Along with the development of coal mining of China to hard rock and large-section trend, high-power heavy transverse-axis heading machines are increasingly popularized in fully mechanized mining faces.

The cutting speed reducer for the transverse shaft heading machine used in the market is mainly imitated in products, and through market research, the fault rate of a high-speed shaft and an output mechanism of the cutting speed reducer which are put into use after localization is found to be high, floating seal oil leakage at the joint of the cutting speed reducer and a roller is serious, maintenance is inconvenient, use is not ideal, and meanwhile, the high oil temperature in the cutting speed reducer is also the cause of the fault rate of a sealing element. Therefore, aiming at the current situation, it is imperative to develop a high-reliability transverse axis cutting speed reducer suitable for high power.

Disclosure of utility model

The application provides a cutting speed reducer for a transverse-axis heading machine, which aims to solve the problem that a sealing element is broken down due to inconvenient maintenance and high oil temperature.

The application provides a cutting speed reducer for a transverse shaft heading machine, which adopts the following technical scheme that the cutting speed reducer comprises a shell, wherein the interior of the shell is connected with an I shaft assembly, an II shaft assembly, a forced lubrication cooling system, a III shaft planetary assembly and an output planetary head set through fasteners, an oil suction pipe is further arranged on the shell, and the oil suction pipe set of the forced lubrication cooling system is connected with the oil suction pipe through a high-pressure rubber pipe assembly;

The I-axis assembly comprises a mounting seat and a sensor, a first axis body is arranged in the mounting seat, a sealing shaft sleeve is arranged on the mounting seat, an input end sealing element and a bearing gland are arranged on the outer side of the sealing shaft sleeve, a first check ring is further arranged on the inner side of the mounting seat, a bearing is arranged on the inner side of the check ring in the mounting seat, a spacer bush is arranged on one side of the bearing, and an output end sealing element and a bevel pinion are arranged on one end of the inner side of the mounting seat.

Preferably, the II shaft assembly comprises a second shaft body, a second check ring and a large bevel gear are arranged at one end of the second shaft body, a bearing is arranged at the outer side of the middle part of the second shaft body, a dustproof gasket is arranged at the joint of the second shaft body and the shell, a bearing dismounting ring is arranged at one side of the bearing, a small bevel gear shaft is arranged at the outer side of the second shaft body, a bearing spacer is arranged at the side face of the bearing dismounting ring, a bearing cup is arranged at the outer side of the bearing, and a bearing gland and a bearing spacer are arranged at the other side of the bearing.

Preferably, the III-axis planetary assembly comprises a first-stage sun wheel shaft, an oil seal shaft sleeve is arranged at the outer side of one end of the first-stage sun wheel shaft, a III-axis bearing is arranged at the outer side of the first-stage sun wheel shaft, a bearing gland is arranged at the outer side of the III-axis bearing, a shear pin fastener is further arranged at the outer side of the first-stage sun wheel shaft, a large bevel gear is arranged at one side of the shear pin fastener, a lubrication large gear and a sealing element are arranged at the other end of the first-stage sun wheel shaft, a first-stage annular gear is further arranged at the outer side of the first-stage sun wheel shaft, a first-stage planet carrier and a first-stage planet wheel bearing are arranged at the inner side of the first-stage annular gear, a first-stage planet wheel is connected with the first-stage planet wheel through the first-stage planet wheel bearing, and a planet gland connecting fastener and a wear-resisting spacer ring are arranged at the inner side of the first-stage planet carrier.

Preferably, the output planetary head group includes connecting screw and locking group and left center wheel and planet carrier, install the spline housing on the left center wheel, the left center wheel is connected with right center wheel through the spline housing, bearing ring and cylindrical bearing are installed to the inboard of planet carrier, output ring gear and planet wheel and planetary bearing group are still installed to the inboard of planet carrier, planetary wheel axle and output bearing are installed to the internally mounted of planetary bearing group, wear ring and spacing ring are installed to the side of planetary wheel axle, output bearing end cover is installed to output bearing's one end, output bearing gland is installed in output end bearing end cover's outside, output planetary head group still includes cylindrical bearing locating piece group and shear fastener and quiet sealing member, metal ring sealing member and rotatory composite ring are installed to one side of quiet sealing member.

Preferably, the forced lubrication cooling system comprises a pump mounting seat, a pump outlet pipe group and a pump outlet pipe group are arranged on two sides of the pump mounting seat, a sealing gasket is arranged on the pump mounting seat, an air permeable plug is arranged on the pump outlet pipe group and the pump outlet pipe group, and a lubrication pinion, a gear pump and a fastener are further arranged on the pump mounting seat.

Preferably, the I-axis assembly is provided with a first oil storage tank and a second oil storage tank, and one end of the mounting seat is provided with a cooling water channel and a first lubricating oil channel.

Preferably, the middle part of the installation seat is provided with an oil filling hole, the inner side of the installation seat is provided with a closed oil cavity, and the other end of the installation seat is provided with a second lubricating oil way.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the application, through a four-stage transmission system of a fixed-axis gear train through helical gear transmission, bevel gear transmission, NGW planetary transmission and a final stage, the power of a motor is transmitted to an output annular gear through a coupler and the four-stage gear transmission, and is transmitted to a cutting roller through a hexagonal or tetragonal groove or involute spline, so that the purpose of breaking coal and rock is realized, a metal sealing ring and a dust ring are applied to the joint of the cutting roller for dust sealing, the wear resistance is stronger, the reliability is higher, and meanwhile, a V-shaped ring and a labyrinth ring are arranged to comprehensively prevent dust from floating sealing, thereby prolonging the service life of floating sealing and protecting the cutting speed reducer to the greatest extent;

2. According to the application, the oil cavity is divided into a plurality of independent oil cavities according to the space position and the working state, so that the oil temperature in the oil cavity can be reduced, and the problem of sealing element faults caused by higher oil temperature is solved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a cutting speed reducer for a transverse-axis heading machine according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a cross-sectional structure of an embodiment of the present application;

FIG. 3 is a schematic diagram of an embodiment of the present application that primarily embodies the structure of an I-axis assembly;

FIG. 4 is a schematic diagram of a structure of a shaft assembly embodying the present application;

FIG. 5 is a schematic diagram of a III-axis planetary assembly embodying the present application;

FIG. 6 is a schematic diagram of an embodiment of the present application mainly showing the structure of an output planetary head set;

FIG. 7 is a schematic diagram of a front structure of a forced lubrication cooling system according to an embodiment of the present application;

FIG. 8 is a schematic diagram of a side structure of a forced lubrication cooling system according to an embodiment of the present application;

Reference numeral 1, a shell; 2, an I-axis assembly; 201, a sensor; 202, first bearing gland, 203, input end seal, 204, seal sleeve, 205, first retainer, 206, first bearing, 207, spacer, 208, mount, 209, output end seal, 210, bevel pinion, 211, first oil reservoir, 212, second oil reservoir, 213, cooling water reservoir, 214, first oil gallery, 215, oil filler, 216, closed oil cavity, 217, second oil gallery, 3, II shaft assembly, 301, second retainer, 302, bevel gear, 303, dust washer, 304, second bearing, 305, bearing release ring, 306, bevel pinion shaft, 307, bearing spacer, 308, bearing cup, 309, second bearing cover, 310, gear spacer, 4, III shaft planetary assembly, 401, first sun gear shaft, 402, oil seal sleeve, 403, III shaft bearing, 404, third bearing gland, 405, shear pin fastener, 406, bevel gear, 407, lubricating large gear, 408, seal, 409, first ring, 410, first ring gear, 411, first ring gear, 413, second ring gear, 413, ring gear, 401, ring gear, 413, ring gear, cylindrical shaft assembly, 307, cylindrical ring gear, 307, cylindrical ring, axial, 401, cylindrical ring, axial, etc., 401, cylindrical ring, etc., such as set, such as the bearing, and the bearing, input, and the bearing, and the first, and the first, second bearing, and, first, and, second, and, respectively, first, and, first, and, the rotary combined ring, a forced lubrication cooling system, 601, a pump outlet pipe set, 602, a pump mounting seat, 603, a pump outlet pipe set, 604, a sealing gasket, 605, a ventilation plug, 606, a lubrication pinion, 607, a gear pump, 608, a second fastening piece and 7, an oil suction pipe.

Detailed Description

The present application is described in further detail below with reference to fig. 1-8.

The embodiment of the application discloses a cutting speed reducer for a transverse shaft heading machine, referring to fig. 1 and 2, which comprises a shell 1, wherein the interior of the shell 1 is connected with an I shaft assembly 2, an II shaft assembly 3, a forced lubrication cooling system 6, a III shaft planetary assembly 4 and an output planetary head set 5 through fasteners, an oil suction pipe 7 is also arranged on the shell 1, and the oil suction pipe set of the forced lubrication cooling system 6 is connected with the oil suction pipe 7 through a high-pressure rubber pipe assembly;

The I shaft component 2, the II shaft component 3, the forced lubrication cooling system 6, the III shaft planetary component 4, the output planetary head group 5 and the like are connected to the shell 1 through fastening devices, a pumping oil pipe group of the forced lubrication cooling system 6 is connected with the oil suction pipe 7 through a high-pressure rubber pipe assembly, the pumping oil pipe group is connected with the cooling system through the high-pressure rubber pipe assembly, the shell 1 is provided with a cooling oil return duct, cooled lubricating oil can be injected into the I shaft component 2, the II shaft component 3 and the output planetary head group 5 through the cooling oil return duct, and the cutting speed reducer independently forms the oil cavity into a plurality of oil cavities according to space positions and working states.

The oil suction pipe 7 is a thin-wall steel pipe and is arranged above the shell, inserted into the bottom of the oil cavity B, and is arranged at a position relatively far away from the output planetary head group, so that the anti-seismic performance is good. The oil cavity A is attached to the I shaft assembly 2 and used for guaranteeing bearing lubrication in the I shaft assembly 2, the oil cavity B is attached to the II shaft assembly 3 and used for guaranteeing primary bevel gear transmission and bearing lubrication in the II shaft assembly 3, the oil cavity C is attached to the III shaft planetary assembly 4 and used for guaranteeing secondary bevel gear transmission and bearing lubrication in the III shaft planetary assembly 4, and the oil cavities D and E are attached to the output planetary head set 5, are bilaterally symmetrical and relatively independent and are used for guaranteeing planetary transmission in the III shaft planetary assembly 4, fixed shaft gear train transmission in the output planetary head set 5 and bearing lubrication.

Referring to fig. 3, the i-axis assembly 2 includes a mounting seat 208 and a sensor 201, a first axis body is installed in the mounting seat 208, a sealing sleeve 204 is installed on the mounting seat 208, an input end sealing member 203 and a first bearing gland 202 are provided on the outer side of the sealing sleeve 204, a first retainer ring 205 is also installed on the inner side of the mounting seat 208, a first bearing 206 is installed on the inner side of the retainer ring 205 in the inner side of the mounting seat 208, a spacer 207 is installed on one side of the first bearing 206, an output end sealing member 209 and a bevel pinion 210 are installed on one end of the inner side of the mounting seat 208, a first oil storage tank 211 and a second oil storage tank 212 are provided on the i-axis assembly 2, a cooling water channel 213 and a first lubricating oil path 214 are provided on one end of the mounting seat 208, an oil filling hole 215 is provided in the middle of the mounting seat 208, a closed oil chamber 216 is provided on the inner side of the mounting seat 208, and a second lubricating oil path 217 is provided on the other end of the mounting seat 208.

Because the bevel gear pair can generate partial axial force, the first bearing 206 adopts a mode of combining a four-point contact ball bearing and a cylindrical roller bearing, and is backed tightly by a round nut and is loose-proof by a double nut. The high-speed machine is positioned above the cutting speed reducer, and lubrication of the bearings and gears is limited, so that the whole high-speed stage is made into a closed oil cavity A, a cooling water channel is arranged on an I-axis mounting seat, and a forced lubrication oil hole is arranged above the high-speed bearing to participate in the whole forced lubrication system. The cooled lubricating oil can enter through a forced lubricating oil hole, a temperature sensor 201 is arranged obliquely below the I-axis mounting seat, the oil temperature of the closed oil cavity A is monitored at any time, an oil filling hole 215 and a through hole of a first-stage oil cavity of a vent hole are arranged at corresponding positions above the I-axis mounting seat, the purpose of the through hole is to enable the cooled lubricating oil to flow into other oil cavity I-axis mounting seats when the cooled lubricating oil is injected to exceed a certain oil level, a first oil storage tank 211 and a second oil storage tank 212 are arranged when the cooled lubricating oil is cast obliquely below the other oil cavity I-axis mounting seats, and the lubricating oil is guaranteed to exist on bearings on two sides under different working conditions by matching with the pitching working state of the cutting part.

Referring to fig. 4, the ii shaft assembly 3 includes a second shaft body, one end of the second shaft body is provided with a second retainer ring 301 and a large bevel gear 302, the middle outer side of the second shaft body is provided with a second bearing 304, a connecting part of the second shaft body and a housing is provided with a dustproof washer 303, one side of the second bearing 304 is provided with a bearing dismounting ring 305, the outer side of the second shaft body is provided with a small bevel gear shaft 306, the side surface of the bearing dismounting ring 305 is provided with a bearing spacer 307, the outer side of the second bearing 304 is provided with a bearing cup 308, and the other side of the second bearing 304 is provided with a second bearing cover 309 and a gear spacer 310;

The large bevel gear 302 is loose-proof by adopting a double nut, the outer end is provided with a check ring for a shaft, the guarantee is enlarged, and the large bevel gear is limited by a gear spacer 310 during installation. The disassembly groove is added on the pinion shaft 306, the bearing disassembly ring 305 is arranged in the structure, and the disassembly is comprehensively considered, so that the maintenance is more convenient. Meanwhile, the middle hole of the pinion shaft 306 is weight-reducing, and the oil cavities on two sides can be communicated, so that lubricating oil circulates according to actual conditions when the cutting part works in a pitching mode. The bearing cup 308 is provided with forced lubrication oil holes on the circumference, and the forced lubrication system is involved. The cooled lubricating oil can enter the bearing cavity through the forced lubricating oil hole. The cylindrical roller bearing on one side of the second bearing 304 only bears radial force, the opposite tapered roller bearing mainly bears axial force transmitted by a bevel gear, the opposite tapered roller bearing is arranged in the bearing cup 308, the second bearing cover 309 adopts a locking check ring through a screw, and meanwhile, the outer end counter bore is provided with a check ring for holes, so that small pieces are prevented from falling into a speed reducer box body, and larger loss is caused. The space between the two bearings is limited by a bearing spacer 307. The oil baffle is installed under the second bearing cover 309 by the fastening piece, when the cutting part cuts downwards, the oil stored in the groove of the oil baffle can ensure that the meshing part of the bevel gears is lubricated by oil, and meanwhile, the oil baffle can avoid the unsmooth oil suction pipe sucking caused by stirring the oil cavity B when the large bevel gear 302 rotates.

Referring to fig. 5, the III-axis planetary assembly 4 includes a primary sun axis 401, an oil seal sleeve 402 is installed at the outer side of one end of the primary sun axis 401, a III-axis bearing 403 is provided at the outer side of the primary sun axis 401, a third bearing gland 404 is installed at the outer side of the III-axis bearing 403, a shear pin fastener 405 is also installed at the outer side of the primary sun axis 401, a large bevel gear 406 is installed at one side of the shear pin fastener 405, a lubrication gearwheel 407 and a sealing member 408 are installed at the other end of the primary sun axis 401, a primary inner gear 409 is also installed at the outer side of the primary sun axis 401, a primary planet carrier 412 and a primary planet bearing 411 are provided at the inner side of the primary inner gear 409, the primary planet carrier 412 is connected with a primary planet 410 through the primary planet bearing 411, and a planet gland is installed at the inner side of the primary planet carrier 412 to connect the first fastener 413 and the wear-resistant spacer 414;

The large bevel gear 406 is meshed with the small bevel gear shaft 306 and is connected to the first-stage sun gear shaft 401 through a shear pin fastener 405, the large bevel gear 406 and the small bevel gear shaft are synchronously used for transmitting power to the first-stage sun gear shaft 401, a sealing piece 408 is arranged on an oil seal shaft 402 at the tail end of the first-stage sun gear shaft 401 in a group, the sealing piece is axially limited by a check ring and is used for preventing circumference turnover, the sealing piece 408 is arranged on a lubricating large gear 407 to realize oil cavity separation, the first-stage inner gear ring 409 and the shell 1 are fixed through a fastener, the power is transmitted to the rear stage through a first-stage planet wheel 410 and a first-stage planet carrier 412, the first-stage planet carrier 412 and a planet gland 413 form a squirrel cage through a connecting fastener, a first-stage planet wheel bearing 411 is enveloped, the distance between the first-stage planet wheel bearing and the first-stage inner gear ring 409 is limited through a wear-resistant spacer ring 414, two single-row tapered roller bearings on the right of a III shaft bearing 403 are combined, one is arranged between the lubricating large gear 407 and the first-stage inner gear ring 409 through a third bearing gland 404 through a fastener.

Referring to fig. 6, an output planetary head set 5 includes a connection screw and locking set 501, a left central wheel 502 and a planet carrier 505, a spline housing 503 is installed on the left central wheel 502, the left central wheel 502 is connected with a right central wheel 504 through the spline housing 503, a bearing pressing ring 506 and a cylindrical bearing 507 are installed on the inner side of the planet carrier 505, an output inner gear ring 508, a planet gear 509 and a planetary bearing set 510 are also installed on the inner side of the planet carrier 505, a planet wheel shaft 511 and an output bearing 514 are installed on the inner side of the planetary bearing set 510, a wear ring 512 and a limiting ring 513 are installed on the side surface of the planet wheel shaft 511, an output end bearing end cover 515 is installed on one end of the output bearing 514, an output bearing pressing cover 516 is installed on the outer side of the output end bearing end cover 515, the output planetary head set 5 further includes a cylindrical bearing positioning block set 517, a shear fastener 518 and a static seal 519, a metal ring seal 520 and a rotary combination ring 521 are installed on one side of the static seal 519;

The planet carrier 505 is fixedly connected with the shell 1 through a fastener shear pin 518 and is supported by an output bearing 514, a cylindrical bearing 507 is arranged between the planet carrier 505 and the output annular gear 508 through a bearing compression ring 506 through a fastener, and a cylindrical bearing positioning block group 517 is axially limited. The output bearing 514 is installed between the planet carrier 505 and the output annular gear 508 through the output bearing end cover 515 and the output bearing gland 516 by using fasteners, and the limiting ring 513 is axially limited. The planetary bearing set 510 is installed between the planetary wheel shaft 511 and the planetary wheels 509, the primary planetary frame 412 transmits power to the right central wheel 504, and an eccentric boss is designed at the tail end of the planetary wheel shaft 511, and the planetary wheel shaft is prevented from rotating after being installed. The left central wheel 502 is connected with the anti-loose group 501 into a whole through a spline housing 503 by using connecting screws, and two sides are axially limited with the primary planet carrier 412 by using wear-resistant rings 512. The power is transmitted to the output inner gear ring 508 through the planet gears 509, and the output inner gear ring 508 is connected with the cutting drum through hexagonal or tetragonal or involute splines. The floating seal is mounted between the floating seal carrier and the output annulus 508. The floating seal ring mount is mounted to the planet carrier 505 with fastener shear pins. The metal ring seal 520, the rotary combination ring, the V-shaped ring and the static seal 519 realize the seal of the joint of the oil cavity of the cutting speed reducer and the cutting roller in a combined mode. Static seal 519 has many applications in the overall system, and the planet carrier 505 is machined with multiple oil holes for oil injection, oil drainage, and ventilation.

Referring to fig. 7 and 8, the forced lubrication cooling system 6 includes a pump mounting seat 602, a pump outlet pipe group 601 and a pump inlet pipe group 603 are disposed on two sides of the pump mounting seat 602, a sealing gasket 604 is mounted on the pump mounting seat 602, an air-permeable plug 605 is mounted on the pump outlet pipe group 601 and the pump inlet pipe group 603, and a lubrication pinion 606, a gear pump 607 and a second fastener 608 are also mounted on the pump mounting seat 602;

The forced lubrication cooling system 6 is connected to the front upper part of the shell 1 through a pump mounting seat 602 by a fastener, is immersed into the shell 1, and is sealed by a static sealing gasket 604 at the joint with the shell 1, so that external coal dust is prevented from entering the speed reducer. The lubrication pinion 606 and gear pump 607 are attached to the pump mount 602 with a second fastener 608. The lubrication pinion 606 meshes with a lubrication bull 407 in the III-axis planetary assembly as a power source for the gear pump 607. The gear pump 607 sucks out high-temperature lubricating oil through the oil suction port pipe group 603 arranged in the shell and inputs the lubricating oil into the cooling system for cooling through the oil suction port pipe group 601, the cooled lubricating oil is injected into key parts in the speed reducer through an oil return pipeline which is arranged in advance on the shell 1, the transmission gear and the bearing are lubricated and cooled, the corresponding positions of the oil suction port pipe group are connected with a safety overflow valve, when the oil pressure reaches 2.5MPa, the cooling system is represented to be failed, the one-way valve is opened, and the gear pump injects lubricating oil with the oil cavity coefficient of the speed reducer into the box without cooling so as not to cause oil shortage of the speed reducer. The pump mounting seat, 602 has 2 ventilation plugs 605 installed above, one for the main oil chamber, one connected with the output planetary head group via the duct

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims (7)

1. The cutting speed reducer for the transverse shaft heading machine is characterized by comprising a shell (1), wherein an I shaft assembly (2), a II shaft assembly (3), a forced lubrication cooling system (6), a III shaft planetary assembly (4) and an output planetary head set (5) are connected inside the shell (1) through fasteners, an oil suction pipe (7) is further arranged on the shell (1), and the oil suction pipe set of the forced lubrication cooling system (6) is connected with the oil suction pipe (7) through a high-pressure rubber pipe assembly;

I axle subassembly (2) are including mount pad (208) and sensor (201), the inside of mount pad (208) is equipped with first axis body, install sealed axle sleeve (204) on mount pad (208), the outside of sealed axle sleeve (204) is provided with input seal (203) and first bearing gland (202), first retaining ring (205) are still installed to the inboard of mount pad (208), the inside of mount pad (208) is located the inboard of retaining ring (205) and installs first bearing (206), just spacer (207) are installed to one side of first bearing (206), output seal (209) and little helical gear (210) are installed to the inboard one end of mount pad (208).

2. The cutting speed reducer for a transverse shaft heading machine according to claim 1, wherein the II shaft assembly (3) comprises a second shaft body, a second retainer ring (301) and a large bevel gear (302) are installed at one end of the second shaft body, a second bearing washer (304) is installed at the outer side of the middle of the second shaft body, a dustproof washer (303) is arranged at the joint of the second shaft body and a shell, a bearing dismounting ring (305) is installed at one side of the second bearing body, a pinion shaft (306) is arranged at the outer side of the second shaft body, a bearing spacer (307) is installed at the side surface of the bearing dismounting ring (305), a bearing cup (308) is arranged at the outer side of the second bearing body (304), and a second bearing cover (309) and a gear spacer (310) are installed at the other side of the second bearing body.

3. The cutting speed reducer for a transverse shaft heading machine according to claim 2, wherein the III-axis planetary assembly (4) comprises a first-stage sun shaft (401), an oil seal shaft sleeve (402) is arranged at the outer side of one end of the first-stage sun shaft (401), a III-axis bearing (403) is arranged at the outer side of the first-stage sun shaft (401), a third-axis pressure-bearing cover (404) is arranged at the outer side of the III-axis bearing (403), a shear pin fastener (405) is further arranged at the outer side of the first-stage sun shaft (401), a large bevel gear (406) is arranged at one side of the shear pin fastener (405), a lubrication large gear (407) and a sealing piece (408) are arranged at the other end of the first-stage sun shaft (401), a first-stage planetary ring gear (409) is further arranged at the outer side of the first-stage sun shaft (401), a first-stage planet carrier (412) and a first-stage planet bearing (411) are arranged at the inner side of the first-stage inner gear ring gear (409), a first-stage planet carrier (412) is connected with the first-stage planet carrier (410) through the planet bearing (411), and a first-stage planet gland (413) is connected with the first-stage planet gland (413) at the inner side of the first-stage planet carrier (412).

4. A cutting speed reducer for a transverse axle heading machine according to claim 3, characterized in that the output planetary head set (5) comprises a connecting screw, a locking set (501), a left center wheel (502) and a planet carrier (505), a spline housing (503) is mounted on the left center wheel (502), the left center wheel (502) is connected with a right center wheel (504) through the spline housing (503), a bearing pressing ring (506) and a cylindrical bearing (507) are mounted on the inner side of the planet carrier (505), an output annular gear (508) and a planet wheel (509) and a planetary bearing set (510) are mounted on the inner side of the planet carrier (505), a planetary wheel axle (511) and an output bearing (514) are mounted in the inner side of the planetary bearing set (510), a wear ring (512) and a limiting ring (513) are mounted on one end of the output bearing (514), an output bearing end cover (515) is mounted on the outer side of the output end bearing positioning block (516), the output bearing (5) further comprises a planetary head set (517) and a sealing member (519), a metal ring seal (520) and a rotary combination ring (521) are arranged on one side of the static seal (519).

5. The cutting speed reducer for the transverse-axis heading machine of claim 4, wherein the forced lubrication cooling system (6) comprises a pump mounting seat (602), an oil outlet pumping pipe group (601) and an oil outlet pumping pipe group (603) are arranged on two sides of the pump mounting seat (602), a sealing gasket (604) is arranged on the pump mounting seat (602), an air-permeable plug (605) is arranged on the oil outlet pumping pipe group (601) and the oil outlet pumping pipe group (603), and a lubrication pinion (606), a gear pump (607) and a second fastener (608) are further arranged on the pump mounting seat (602).

6. The cutting speed reducer for the transverse-axis heading machine of claim 1, wherein the I-axis assembly (2) is provided with a first oil storage tank (211) and a second oil storage tank (212), and one end of the mounting seat (208) is provided with a cooling water channel (213) and a first lubrication oil channel (214).

7. The cutting speed reducer for the transverse-axis heading machine of claim 6, wherein an oil filling hole (215) is formed in the middle of the mounting seat (208), a closed oil cavity (216) is formed in the inner side of the mounting seat (208), and a second lubricating oil path (217) is formed in the other end of the mounting seat (208).