阅读说明：本技术 一种齿轮单轨吊驱动装置 (Gear monorail crane driving device ) 是由 尚绪海 于 2020-06-24 设计创作，主要内容包括：本发明属于单轨吊技术领域,具体涉及一种齿轮单轨吊驱动装置,包括主机箱,包括箱体和承载轮组,所述承载轮组设置于所述箱体上,适于夹持并吊装于工型齿条单轨上；传动组件,包括行走齿轮、行星齿轮减速器和气动马达,所述行走齿轮、行星齿轮减速器和气动马达均安装于所述箱体中,所述行星齿轮减速器的输入轴与所述气动马达连接；所述行走齿轮套设于所述行星齿轮减速器的输出轴上,且齿部与所述工型齿条单轨啮合；气源机构,所述气源机构与所述气动马达连接,适于驱动所述气动马达。(The invention belongs to the technical field of monorail cranes, and particularly relates to a gear monorail crane driving device which comprises a mainframe box, a lifting mechanism and a lifting mechanism, wherein the mainframe box comprises a box body and a bearing wheel set, and the bearing wheel set is arranged on the box body and is suitable for being clamped and lifted on an I-shaped rack monorail; the transmission assembly comprises a traveling gear, a planetary gear reducer and a pneumatic motor, the traveling gear, the planetary gear reducer and the pneumatic motor are all arranged in the box body, and an input shaft of the planetary gear reducer is connected with the pneumatic motor; the traveling gear is sleeved on an output shaft of the planetary gear reducer, and a tooth part is meshed with the I-shaped rack monorail; and the air source mechanism is connected with the pneumatic motor and is suitable for driving the pneumatic motor.)

1. A single track of gear hangs drive arrangement which characterized in that includes:

the main case comprises a case body and a bearing wheel set, wherein the bearing wheel set is arranged on the case body, is hung on the I-shaped rack monorail and is suitable for clamping the I-shaped rack monorail;

the transmission assembly comprises a traveling gear, a planetary gear reducer and a pneumatic motor, the traveling gear, the planetary gear reducer and the pneumatic motor are all arranged in the box body, and an input shaft of the planetary gear reducer is connected with the pneumatic motor; the traveling gear is sleeved on an output shaft of the planetary gear reducer, and a tooth part is meshed with the I-shaped rack monorail;

and the air source mechanism is connected with the pneumatic motor and is suitable for driving the pneumatic motor.

2. The geared monorail crane drive of claim 1, wherein the planetary gear reducer comprises a reduction assembly, an input shaft and an output shaft; the input shaft and the output shaft are coaxially arranged;

the speed reduction assembly comprises a first shell, and a first sun gear, a first planet carrier, a second sun gear, a first planet gear and a second planet carrier which are arranged in the first shell; the first shell is fixedly arranged in the box body, and a first gear ring and a second gear ring are arranged on the inner wall of the first shell; the first sun gear is meshed with the first gear ring through the first planet gear; the second sun gear is meshed with the second gear ring through the second planet gear; one side of the first planet carrier is fixedly connected with a planet shaft penetrating through the first planet wheel, and the other side of the first planet carrier is fixedly connected with the second sun gear; one side of the second planet carrier is fixedly connected with a planet shaft penetrating through the second planet wheel;

the input shaft is fixedly connected with the first sun gear, and the output shaft is fixedly connected with the second planet carrier.

3. A geared monorail crane drive as defined in claim 2, wherein said drive assembly further comprises a shifting clutch, said shifting clutch being disposed between said pneumatic motor and said planetary gear reducer and adapted for a shifting connection of said pneumatic motor to said planetary gear reducer.

4. A geared monorail crane drive as defined in claim 3, wherein said shifting clutch comprises a shifting assembly, an interlock component and a control component;

the interlocking assembly comprises a coupler, a supporting spring, a sleeve and a connecting gear, wherein a sliding groove is formed in the outer wall of the end part of the coupler, and an open cavity is formed in the coupler; the sleeve is of a barrel-shaped structure with one end sealed and the inner wall provided with a sliding rail, and is suitable for being mounted on the coupler through the matching of the sliding rail and the sliding groove; the supporting spring is arranged in the open cavity, one end of the supporting spring is connected with the coupler, and the other end of the supporting spring is connected with the sealing end of the sleeve; the connecting gear is fixedly sleeved at the sealing end of the sleeve, and an inner tooth groove is formed in the edge of an inner ring at one side of the connecting gear;

the control assembly comprises a piston cylinder and a connecting shaft, and the connecting shaft is connected to a piston rod of the piston cylinder and is coaxially arranged with the sleeve and the coupler; the control assembly is suitable for driving the sleeve to slide on the coupler;

the gear shifting assembly comprises a second shell, and a third sun gear, a third planet wheel, a third planet carrier, a fourth sun gear and a fourth planet wheel which are arranged in the second shell; the second shell is fixedly connected to the first shell, and a shared gear ring is arranged on the inner wall of the second shell; the third sun gear is sleeved on the connecting shaft and is meshed with the shared gear ring through the third planet gear; the fourth sun gear is sleeved on the sleeve and is meshed with the shared gear ring through the fourth planet gear, and an inner tooth groove is formed in one side of the fourth sun gear; one side of the third planet carrier is connected with the planet shaft of the third planet wheel, and the other layer of the third planet carrier is connected with the planet shaft of the fourth planet wheel;

the connecting gear is positioned between the third sun gear and the fourth sun gear, an inner tooth groove of the connecting gear is matched with a tooth part of the third sun gear, and the tooth part of the connecting gear is matched with an inner tooth groove of the fourth sun gear; the other end of the coupler is fixedly connected with the pneumatic motor; the piston cylinder is arranged on the second shell; the third planet carrier is fixedly connected with the first sun gear.

5. The driving device for the monorail gear crane with the gears as recited in claim 4, wherein said planetary gear reducer and said pneumatic motor are respectively disposed on two sides of said traveling gear, said output shaft is a hollow shaft, and said coupling is disposed through central holes of said output shaft and said first and second sun gears.

6. A geared monorail crane drive as defined in any one of claims 1-5, wherein said air supply means comprises an air inlet duct, an air compressor and a reversing valve; the air inlet pipe is connected with an air inlet of the air compressor; the reversing valve is a three-way valve, an air inlet of the reversing valve is connected with an air outlet of the air compressor, and two air outlets of the reversing valve are respectively connected with two air inlets of the pneumatic motor.

7. The geared monorail crane drive of claim 6, wherein the air supply mechanism further comprises a first filter and a second filter;

the first filter comprises a filter element and a filter shell, an inner chamber is arranged in the filter element, and the inner chamber is communicated between the air inlet pipe and the air compressor; the filter shell is sleeved on the outer side of the filter element and forms an annular flow passage with the filter element, and the annular flow passage is communicated between the air compressor and the reversing valve;

the second filter is arranged between the air compressor and the annular flow passage.

8. The driving device for the monorail crane with the gear as recited in claim 7, wherein said air supply mechanism further comprises two silencers, and said two silencers are respectively disposed on two communication branches between said reversing valve and said pneumatic motor.

9. The drive device of the gear monorail crane as defined in claim 8, wherein said filter element is made of a stainless steel mesh tube; the air source mechanism further comprises a backwashing assembly, the backwashing assembly comprises a cleaning pump and cleaning pipelines arranged at two ends of the cleaning pump, the air inlet end of the cleaning pipeline is connected with the air inlet pipe, and the air outlet end of the cleaning pipeline is connected with the two silencers respectively.

10. The geared monorail crane drive of claim 9, further comprising:

the gear shifting handle is respectively connected with the reversing valve and a piston cylinder of the control assembly;

a back flush button electrically connected to the wash pump.

Technical Field

The invention belongs to the technical field of monorail cranes, and particularly relates to a driving device of a gear monorail crane.

Background

In recent years, a monorail crane car is rapidly developed as a new safe and efficient auxiliary transportation system, is adopted by more and more coal mine enterprises, and becomes a preferred device for underground auxiliary transportation of coal mines. Compared with the traditional ground rail transportation, the monorail crane can not be limited by a roadway bottom plate, and the advantages of the monorail crane can be more prominent under complex roadway conditions such as bottom plate mud, fluctuation and slope change and the like. The pneumatic monorail crane is a monorail crane product for scheduling, and is a beneficial supplement of large monorail crane equipment. It regards as the power supply with the tunnel pressure wind, and the locomotive volume is less, is applicable to the tunnel of the narrower short distance transportation in space, and pneumatic monorail crane has greatly improved the phenomenon that contact tunnel, working face end material transportation lean on artifical transport.

However, with the popularization of the pneumatic monorail crane, workers generally reflect the problems of non-adjustable running speed and low running speed of the pneumatic monorail crane, such as Chinese patent CN209721391U, and the transportation efficiency of the pneumatic monorail crane is seriously affected.

Therefore, in order to overcome the defects, the invention urgently needs to provide a driving device of the gear monorail crane.

Disclosure of Invention

The invention aims to provide a gear monorail crane driving device, which solves the problems that in the prior art, a monorail crane is not adjustable in running speed and slow in running speed, and the transportation efficiency of a pneumatic monorail crane is seriously influenced.

The invention provides a gear monorail crane driving device, which comprises: the main case comprises a case body and a bearing wheel set, wherein the bearing wheel set is arranged on the case body, is hung on the I-shaped rack monorail and is suitable for clamping the I-shaped rack monorail; the transmission assembly comprises a traveling gear, a planetary gear reducer and a pneumatic motor, the traveling gear, the planetary gear reducer and the pneumatic motor are all arranged in the box body, and an input shaft of the planetary gear reducer is connected with the pneumatic motor; the traveling gear is sleeved on an output shaft of the planetary gear reducer, and a tooth part is meshed with the I-shaped rack monorail; and the air source mechanism is connected with the pneumatic motor and is suitable for driving the pneumatic motor.

The drive device of the monorail gear crane with the gear is further preferred, and the planetary gear reducer comprises a speed reduction assembly, an input shaft and an output shaft; the input shaft and the output shaft are coaxially arranged; the speed reduction assembly comprises a first shell, and a first sun gear, a first planet carrier, a second sun gear, a first planet gear and a second planet carrier which are arranged in the first shell; the first shell is fixedly arranged in the box body, and a first gear ring and a second gear ring are arranged on the inner wall of the first shell; the first sun gear is meshed with the first gear ring through the first planet gear; the second sun gear is meshed with the second gear ring through the second planet gear; one side of the first planet carrier is fixedly connected with a planet shaft penetrating through the first planet wheel, and the other side of the first planet carrier is fixedly connected with the second sun gear; one side of the second planet carrier is fixedly connected with a planet shaft penetrating through the second planet wheel; the input shaft is fixedly connected with the first sun gear, and the output shaft is fixedly connected with the second planet carrier.

The driving device of the monorail gear crane further preferably comprises a shifting clutch, wherein the shifting clutch is arranged between the pneumatic motor and the planetary gear reducer and is suitable for shifting connection between the pneumatic motor and the planetary gear reducer.

The driving device of the monorail gear crane further comprises a gear shifting assembly, an interlocking component and a control component, wherein the gear shifting clutch comprises a gear shifting assembly, an interlocking component and a control component; the interlocking assembly comprises a coupler, a supporting spring, a sleeve and a connecting gear, wherein a sliding groove is formed in the outer wall of the end part of the coupler, and an open cavity is formed in the coupler; the sleeve is of a barrel-shaped structure with one end sealed and the inner wall provided with a sliding rail, and is suitable for being mounted on the coupler through the matching of the sliding rail and the sliding groove; the supporting spring is arranged in the open cavity, one end of the supporting spring is connected with the coupler, and the other end of the supporting spring is connected with the sealing end of the sleeve; the connecting gear is fixedly sleeved at the sealing end of the sleeve, and an inner tooth groove is formed in the edge of an inner ring at one side of the connecting gear; the control assembly comprises a piston cylinder and a connecting shaft, and the connecting shaft is connected to a piston rod of the piston cylinder and is coaxially arranged with the sleeve and the coupler; the control assembly is suitable for driving the sleeve to slide on the coupler; the gear shifting assembly comprises a second shell, and a third sun gear, a third planet wheel, a third planet carrier, a fourth sun gear and a fourth planet wheel which are arranged in the second shell; the second shell is fixedly connected to the first shell, and a shared gear ring is arranged on the inner wall of the second shell; the third sun gear is sleeved on the connecting shaft and is meshed with the shared gear ring through the third planet gear; the fourth sun gear is sleeved on the sleeve and is meshed with the shared gear ring through the fourth planet gear, and an inner tooth groove is formed in one side of the fourth sun gear; one side of the third planet carrier is connected with the planet shaft of the third planet wheel, and the other layer of the third planet carrier is connected with the planet shaft of the fourth planet wheel; the connecting gear is positioned between the third sun gear and the fourth sun gear, an inner tooth groove of the connecting gear is matched with a tooth part of the third sun gear, and the tooth part of the connecting gear is matched with an inner tooth groove of the fourth sun gear; the other end of the coupler is fixedly connected with the pneumatic motor; the piston cylinder is arranged on the second shell; the third planet carrier is fixedly connected with the first sun gear.

In the above-described gear monorail crane driving device, it is further preferable that the planetary gear reducer and the pneumatic motor are respectively disposed on both sides of the traveling gear, the output shaft is a hollow shaft, and the coupling is inserted into central holes of the output shaft and the first and second sun gears.

The driving device of the gear monorail crane further preferably comprises an air supply mechanism, a gear monorail crane and a control mechanism, wherein the air supply mechanism comprises an air inlet pipe, an air compressor and a reversing valve; the air inlet pipe is connected with an air inlet of the air compressor; the reversing valve is a three-way valve, an air inlet of the reversing valve is connected with an air outlet of the air compressor, and two air outlets of the reversing valve are respectively connected with two air inlets of the pneumatic motor.

The driving device of the monorail crane with the gear wheels is further preferred, and the air supply mechanism further comprises a first filter and a second filter; the first filter comprises a filter element and a filter shell, an inner chamber is arranged in the filter element, and the inner chamber is communicated between the air inlet pipe and the air compressor; the filter shell is sleeved on the outer side of the filter element and forms an annular flow passage with the filter element, and the annular flow passage is communicated between the air compressor and the reversing valve; the second filter is arranged between the air compressor and the annular flow passage.

The driving device of the gear monorail crane further preferably comprises two silencers, and the two silencers are respectively arranged on two communication branches between the reversing valve and the pneumatic motor.

The gear monorail crane driving device is further preferably characterized in that the filter element is made of a stainless steel mesh tube; the air source mechanism further comprises a backwashing assembly, the backwashing assembly comprises a cleaning pump and cleaning pipelines arranged at two ends of the cleaning pump, the air inlet end of the cleaning pipeline is connected with the air inlet pipe, and the air outlet end of the cleaning pipeline is connected with the two silencers respectively.

The drive device for a monorail crane with gears as described above further preferably further comprises: the gear shifting handle is respectively connected with the reversing valve and a piston cylinder of the control assembly; a back flush button electrically connected to the wash pump.

Compared with the prior art, the technical scheme of the invention has the following advantages:

the gear monorail crane driving device disclosed by the invention is hung on the I-shaped rack monorail through the bearing wheel set arranged on the box body, and is meshed with the rack of the I-shaped rack monorail through the traveling gear connected with the planetary gear reducer, the pneumatic motor and the air source mechanism, so that the compressed air provided by the air source mechanism is suitable for driving the pneumatic motor, further driving the traveling gear to move on the I-shaped rack monorail, realizing the transportation of the I-shaped rack monorail, avoiding skidding in places with large operation gradient, humid environment and the like, and realizing the transportation of materials, personnel and equipment along the road.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a driving device of a monorail gear crane according to an embodiment of the present invention;

FIG. 2 is a front view of a driving device of the geared monorail crane provided by the embodiment of the invention;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is a right side view of FIG. 2;

FIG. 5 is a cross-sectional view of the geared monorail crane drive in the direction A-A of FIG. 2;

FIG. 6 is a cross-sectional view of the drive unit of the geared monorail crane taken along the direction B-B in FIG. 3;

FIG. 7 is an enlarged view of the structure of portion C of FIG. 4;

FIG. 8 is a cross-sectional view of the geared monorail crane drive arrangement of FIG. 6 taken along the direction D-D;

FIG. 9 is a cross-sectional view of the geared monorail crane drive arrangement taken along the direction E-E in FIG. 6;

FIG. 10 is a schematic view of the air source mechanism of FIG. 6 of the geared monorail crane drive;

fig. 11 is a schematic diagram of the transmission of the wheel train between the pneumatic motor, the planetary gear reducer and the shifting clutch in the embodiment of the invention.

Description of reference numerals:

100-I-shaped rack monorail, 110-rack, 200-main case, 210-case, 220-bearing wheel set, 230-connecting assembly, 240-air hole;

300-transmission assembly, 310-running gear, 320-pneumatic motor, 330-planetary gear reducer, 331-first sun gear, 332-first planet gear, 333-first ring gear, 334-first planet carrier, 335-second sun gear, 336-second planet gear, 337-second ring gear, 338-second planet carrier, 339-output shaft;

400-an air source assembly, 410-an air compressor, 411-a power cylinder, 412-a reversing valve, 420-an air inlet pipe, 421-an air inlet valve, 430-a silencer, 431-a flow control pipeline, 432-a sound-blocking cover, 440-a first filter, 441-a filter core, 442-a filter shell, 445-a second filter, 450-a backwashing assembly, 451-a cleaning pump and 452-a reverse flushing button;

500-shifting clutch, 501-coupler, 502-supporting spring, 503-sleeve, 505-connecting gear, 511-piston cylinder, 512-connecting shaft, 531-third sun gear, 532-third planet gear, 533-shared gear ring, 534-third planet carrier, 535-fourth sun gear, 536-fourth planet gear;

600-a shift handle;

700-brake mechanism, 710-pneumatic horn.

Detailed Description

As shown in fig. 1 to 4, the driving device of the single-track gear crane of the present embodiment, as shown in fig. 1 to 9, includes: main cabinet 200, transmission assembly 300 and air supply mechanism.

The main chassis 200 comprises a chassis 210 and a bearing wheel set 220, wherein the bearing wheel set 220 is arranged on the chassis 210, is hung on the I-shaped rack monorail 100, and is suitable for clamping the I-shaped rack monorail 100;

the transmission assembly 300 comprises a traveling gear 310, a planetary gear reducer 330 and an air motor 320, wherein the traveling gear 310, the planetary gear reducer 330 and the air motor 320 are all installed in the box body 210, an input shaft of the planetary gear reducer 330 is connected with an output shaft 339 of the air motor 320, the traveling gear 310 is sleeved on the output shaft 339 of the planetary gear reducer 330, and a tooth part of the traveling gear is meshed with the I-rack monorail 100;

the air supply mechanism is connected to the air motor 320 and adapted to drive the air motor 320.

In the above configuration, the bearing wheel set 220 includes at least one pair of rollers disposed opposite each other and adapted to be clamped on either side of the single i-rack rail 100, respectively, so as to suspend the tank 210 from the single i-rack rail 100. The case 210 is used to provide an installation space, and both ends of the case 210 are further provided with connection assemblies 230 adapted to connect other portions of the monorail crane with the driving device.

For the purpose of implementing the present embodiment, the design of the planetary gear reducer 330 is not exclusive, and in the present embodiment, a preferable design is provided, specifically, as shown in fig. 5, 6, 9 and 11, the planetary gear reducer 330 includes a speed reduction assembly, an input shaft and an output shaft 339; the input shaft and the output shaft 339 are coaxially arranged; the speed reduction assembly comprises a first shell, and a first sun gear 331, a first planet gear 332, a first planet carrier 334, a second sun gear 335, a first planet gear 332 and a second planet carrier 338 which are arranged in the first shell; the first shell is fixedly installed in the box body 210, and a first gear ring 333 and a second gear ring 337 are arranged on the inner wall; the first sun gear 331 meshes with the first ring gear 333 via the first planetary gear 332; the second sun gear 335 is in mesh with the second ring gear 337 via the second planet gears 336; one side of the first planet carrier 334 is fixedly connected with a planet shaft penetrating through the first planet wheel 332, and the other side is fixedly connected with the second sun wheel 335; one side of the second planet carrier 338 is fixedly connected with a planet shaft penetrating through the second planet wheel 336; the input shaft is fixedly connected to the first sun gear 331, and the output shaft 339 is fixedly connected to the second carrier 338.

As can be seen from the above structure, the two-stage planetary gear reducer 330 is adopted in the present embodiment, and is suitable for obtaining a larger transmission ratio. Wherein the input shaft is connected to the pneumatic motor 320 for transmission input. The output shaft 339 is connected with the walking gear 310 and is suitable for transmission output, specifically, a tooth part is arranged at the tail end of the output shaft 339, and an inner tooth groove matched with the tooth part at the tail end of the output shaft 339 is arranged on an inner ring of the walking gear 310. The speed reduction assembly is used for reducing speed, specifically, the first housing in the speed reduction assembly is a fixed structure, that is, the first gear ring 333 and the second gear ring 337 are fixed structures, and the other structures are rotating structures. Specifically, the planetary gear reducer 330 works as follows:

when the pneumatic motor 320 works, the transmission shaft of the pneumatic motor 320 rotates to drive the input shaft connected with the transmission shaft to rotate, and the input shaft drives the first sun gear 331 fixedly connected with the input shaft to rotate; because the first ring gear 333 is a fixed structure, the rotating first sun gear 331 drives the first planet gear 332 to rotate and revolve, so as to drive the first planet carrier 334 to rotate, and the first planet carrier 334 drives the second sun gear 335 fixedly connected with the first planet carrier 334 to rotate; because the second gear ring 337 is a fixed structure, the second sun gear 335 that rotates drives the second planet gear 336 to rotate and revolve, and then drives the second planet carrier 338 to rotate, and the second planet carrier 338 is fixedly connected with the output shaft 339, and then drives the output shaft 339 to rotate.

Preferably, as shown in fig. 5, 6, 9 and 11, the transmission assembly 300 further includes a shifting clutch 500, the shifting clutch 500 is disposed between the pneumatic motor 320 and the planetary gear reducer 330, and is adapted to shift the pneumatic motor 320 and the planetary gear reducer 330. In this embodiment, the shifting clutch 500 is mainly used to realize two-gear speed change, so that the rotation speed of the traveling gear 310 is adjustable in two gears.

For the purpose of implementing the present embodiment, the design manner of the shifting clutch 500 is not exclusive, and in the present embodiment, a preferable design manner is provided, specifically, the shifting clutch 500 includes a shifting assembly, an interlocking component and a control component;

the interlocking assembly comprises a coupler 501, a supporting spring 502, a sleeve 503 and a connecting gear 505, wherein a sliding groove is formed in the outer wall of the end part of the coupler 501, and an open cavity is formed in the coupler 501; the sleeve 503 is a barrel-shaped structure with a sealed end and a sliding rail on the inner wall, and is suitable for being mounted on the coupler 501 through the matching of the sliding rail and the sliding groove; the supporting spring 502 is arranged in the open cavity, one end of the supporting spring is connected with the coupling 501, and the other end of the supporting spring is connected with the sealing end of the sleeve 503; the connecting gear 505 is fixedly sleeved at the sealing end of the sleeve 503, and an inner tooth groove is formed in the edge of an inner ring at one side;

the control assembly comprises a piston cylinder 511 and a connecting shaft 512, wherein the connecting shaft 512 is connected to a piston rod of the piston cylinder 511 and is coaxially arranged with the sleeve 503 and the coupler 501; the control assembly is adapted to drive the sleeve 503 to slide on the coupling 501;

the gear shifting assembly comprises a second shell, and a third sun gear 531, a third planet gear 532, a third planet carrier 534, a fourth sun gear 535 and a fourth planet gear 536 which are arranged in the second shell; the second shell is fixedly connected to the first shell, and a shared gear ring 533 is arranged on the inner wall of the second shell; the third sun gear 531 is sleeved on the connecting shaft 512 and meshed with the common gear ring 533 through the third planet gear 532; the fourth sun gear 535 is sleeved on the sleeve 503 and is meshed with the common gear ring 533 through the fourth planet gear 536, and an inner tooth slot is further formed in one side of the fourth sun gear 535; one side of the third planet carrier 534 is connected with the planet shaft of the third planet wheel 532, and the other layer is connected with the planet shaft of the fourth planet wheel 536;

the connecting gear 505 is located between the third sun gear 531 and the fourth sun gear 535, and the inner teeth grooves of the connecting gear 505 are matched with the teeth of the third sun gear 531, and the teeth of the connecting gear 505 are matched with the inner teeth grooves of the fourth sun gear 535; the other end of the coupling 501 is fixedly connected with the pneumatic motor 320; the piston cylinder 511 is mounted on the second housing; the third planet carrier 534 is fixedly connected with the first sun gear 331.

In the above structure, two sets of planetary gear transmission structures are arranged in the gear shifting assembly, and the two sets of planetary gear transmission structures share the gear ring 533 and the third planet carrier 534, so that the gear shifting assembly is suitable for providing two transmission ratios and selecting one of the two transmission ratios for use, and further realizes gear shifting transmission. The interlocking assembly is used for connecting the pneumatic motor 320 and the gear shifting assembly, wherein the sleeve 503 and the coupling 501 are slidably mounted through a sliding rail and a sliding groove, and after the mounting, the sleeve 503 can slide relative to the coupling 501 in the axial direction, but does not influence the sleeve 503 to rotate along with the coupling 501. The support spring 502 and control assembly are used to control the position of the sleeve 503 on the coupling 501; since the power device in the control assembly is a piston cylinder 511, the sleeve 503 has two working positions on the coupling 501, namely a piston rod extended position and a piston rod retracted position, and the support spring 502 is used for driving the sleeve 503 to reset when the piston rod is retracted. The connecting gear 505 is fixedly mounted on the sleeve 503, and can slide on the coupling 501 together with the sleeve 503, and is in transmission connection with the third sun gear 531 and the fourth sun gear 535 through an internal tooth slot and a tooth portion respectively at two working positions of the sleeve 503, so as to select a corresponding transmission ratio.

Further, to realize the above control, the planetary gear reducer 330 and the pneumatic motor 320 are respectively disposed on two sides of the traveling gear 310, the output shaft 339 is a hollow shaft, and the coupling 501 is inserted into central holes of the output shaft, the first sun gear 331, and the second sun gear 335. That is, the planetary gear reducer 330, the traveling gear 310, and the air motor 320 are sequentially arranged, and the shifting clutch 500 is provided at an end of the planetary gear reducer 330.

For the purpose of implementing this embodiment, the design manner of the air supply mechanism is not exclusive, and in this embodiment, as shown in fig. 6, 8, 9 and 10, a preferred design manner is provided, and the air supply mechanism includes an air inlet pipe 420, an air compressor 410 and a reversing valve 412; the air inlet pipe 420 is connected with an air inlet of the air compressor 410; the reversing valve 412 is a two-position three-way valve, an air inlet of the reversing valve 412 is connected with an air outlet of the air compressor 410, and two air outlets of the reversing valve are respectively connected with two air inlets of the pneumatic motor 320.

Specifically, the air compressor 410 in this embodiment is a piston-type air compressor 410, and mainly uses a piston-type power cylinder 411 as a power mechanism, and intermittently opens/closes an intake valve and an exhaust valve of the air compressor 410 by reciprocating motion of a piston rod in the power cylinder 411, so that air enters from an intake port and is exhausted from an exhaust port, thereby providing a power source for the pneumatic motor 320. The air compressor 410 has advantages of simple structure, long service life, and easy realization of high capacity and high pressure output. The reversing valve is a three-way valve and is used for controlling the air inlet branch. The pneumatic motor 320 is a conventional vane type pneumatic motor 320, and has two air inlets 240 and an air outlet 240, wherein the two air inlets 240 are respectively connected to the two air outlets of the reversing valve, and the air outlet 240 is connected to the air outlet pipe. The directional valve controls the direction of rotation of the air motor 320 by controlling the position of the air entering the air motor 320 by controlling the communication with the air intake 240 of the air motor 320. An intake valve 421 is also provided in the intake pipe 420.

Further, the gas source mechanism further comprises a first filter 440 and a second filter 445; the first filter 440 comprises a filter element 441 and a filter shell 442, an inner chamber is arranged in the filter element 441, and the inner chamber is communicated between the air inlet pipe 420 and the air compressor 410; the filter shell 442 is sleeved outside the filter element 441 and forms an annular flow passage with the filter element 441, and the annular flow passage is communicated between the air compressor 410 and the reversing valve; the second filter 445 is disposed between the air compressor 410 and the annular flow passage.

In the above structure, the first filter 440 is mainly used as an air tank and a coarse filter, and when it is used as a coarse filter, the air can directly enter the annular flow passage of the filter housing 442 from the inner chamber of the filter element 441 through the filtering action of the filter element 441 by the air compressor 410, and then flow to the reversing valve; when the air compressor is used as an air storage tank, an inner sleeve 503 is connected between the air inlet pipe 420 and the air compressor 410 to ensure that the air compressor 410 has a sufficient air source; the outer sleeve 503 is sleeved outside the inner sleeve 503 to form a cavity, and the cavity can be equivalent to an air storage tank, and is used for solving the problems that the air discharge of the air compressor 410 is carried out discontinuously and the output has pulses. The second filter 445 is a pneumatic triple component, and comprises an air filter, a pressure reducing valve and an oil atomizer which are connected in sequence, and is mainly used for purifying and filtering an air source, reducing pressure and providing lubrication, so that excessive water vapor, oil drops and solid impurities in compressed air, such as rust, sand grains, pipeline sealant and the like, are prevented from damaging a piston sealing ring, a small exhaust hole 240 on a component is blocked, and the service life of the component is shortened or the component is made to fail.

Further, the air supply mechanism further includes two silencers 430, where the two silencers 430 are respectively disposed on two communication branches between the direction valve 412 and the pneumatic motor 320. The silencers 430 each comprise a sound blocking cover 432 and a flow control pipe 431, and the sound blocking cover 432 is mounted on the flow control pipe 431.

In the above structure, the flow control pipeline 431 of the silencer 430 is connected to the communication branch between the air valve and the pneumatic motor 320, and the flow control pipeline 431 is used for communication and flow control, and is suitable for enabling high-pressure air to enter the large-volume pressure reducing body after primary flow control to expand the volume and reduce the pressure so as to form low-pressure gas, and then enter the pneumatic motor 320.

Further, the filter element 441 is made of a stainless steel mesh cylinder; the air source mechanism further comprises a backwashing assembly 450, the backwashing assembly 450 comprises a cleaning pump 451 and cleaning pipelines arranged at two ends of the cleaning pump 451, an air inlet end of each cleaning pipeline is connected with the air inlet pipe 420, and an air outlet end of each cleaning pipeline is respectively connected with the two silencers 430. In the above structure, the cleaning pump 451 is an air pump for driving the gas to flow reversely from the muffler 430 to the direction changing valve 412 and the first filter 440 and then to flow out for reverse cleaning. Specifically, the backwash assembly 450 does not operate simultaneously with the air compressor 410.

As shown in fig. 7, further, the gear shifting device further comprises a gear shifting handle 600, wherein the gear shifting handle 600 is respectively connected with the reversing valve and a piston cylinder 511 of the control assembly; also included is a back flush button 452, the back flush button 452 being electrically connected to the wash pump 451. Specifically, the gear shift handle 600 includes 5 gears, which are respectively a neutral zero position, a left-handed rotation, a right-handed rotation, a left-handed rotation and a right-handed rotation, wherein when the neutral zero position is reached, the air release valve of the pneumatic motor 320 is rapidly opened, the motor stops rotating, the traveling motor is meshed with the rack 110 on the i-shaped rack monorail 100 on the rail, and the locomotive stops running. When the gear shifting handle 600 is shifted to a left-handed or right-handed gear, the corresponding channel is opened by the reversing valve, and the advancing direction of the locomotive is controlled by controlling the rotating direction of the pneumatic motor 320. The left-handed acceleration gear and the right-handed acceleration gear are characterized in that on the basis of left-handed rotation and right-handed rotation, the piston cylinder 511 of the control assembly is controlled, the piston cylinder 511 is driven to slide the sleeve 503, the connecting gear 505 is connected with the fourth sun gear 535, a larger transmission ratio is obtained, and the locomotive is accelerated. The back flushing button 452 is arranged at the gear shifting handle 600, is electrically connected with the cleaning pump 451, and is suitable for driving the cleaning pump 451 to work by pressing the back flushing button 452, so that the cleaning of the gas circulation pipeline is realized.

Further, the gear monorail crane driving device is also provided with a pneumatic control horn 710, a braking mechanism 700 and a centrifugal overspeed protection mechanism, and the pneumatic control horn 710, the braking mechanism 700 and the centrifugal overspeed protection mechanism are all arranged in the box body 210. Specifically, the box 210 is further provided with an air hole 240 corresponding to the air-controlled horn 710, wherein the air-controlled horn 710 can enable a whistle to be clearly heard outside 100 meters. The brake mechanism 700 mainly comprises a brake pump, a power assembly and a meshing part, wherein the power assembly mainly comprises a telescopic cylinder, a piston rod is arranged in the telescopic cylinder, and a spring is sleeved on the piston rod positioned in the telescopic cylinder; the brake pump is communicated with the air cavity of the telescopic cylinder; the engaging portion is connected to an outer end portion of the piston rod, and is provided with a tooth portion that engages with the h-rack monorail 100. When the brake mechanism 700 is in a normal state, the piston rod jacks up the meshing part under the action of the spring, so that the piston rod is meshed and locked with the I-shaped rack monorail 100, and the brake effect is realized; when the single-track type I-rack monorail crane works, the brake pump outwards pumps air in the telescopic cylinder, so that the piston rod is inwards contracted, the meshing part is further retracted, and the walking gear 310 can move on the I-rack monorail 100. The centrifugal overspeed protection mechanism is provided with a speed detection unit and a power unit, wherein the power unit is communicated with a vent valve of an air cavity in the telescopic cylinder and is suitable for opening the vent valve when the speed of the monorail hoist is beyond expectation, so that the telescopic rod jacks up the meshing part under the action of the spring, and the braking effect is realized. The centrifugal overspeed protection mechanism is mainly used for forced braking when a part of structures in the braking mechanism 700 fail.

Specifically, this embodiment has still disclosed the gear monorail crane drive arrangement's application method:

firstly, the assembled gear monorail crane driving device is hung on the I-shaped rack monorail 100 through the bearing wheel set 220, so that the walking gear 310 of the gear monorail is meshed with the I-shaped rack monorail 100, and then the gear monorail is connected with other structures of the monorail crane through the connecting component 230. The reversing valve is adjusted through the gear shifting handle 600, the advancing direction is further adjusted, then the air inlet valve 421 and the air pressure cylinder are opened, and the driving device of the gear monorail crane is started, so that the driving device of the gear monorail crane drives the monorail crane to advance along the appointed direction. The rate of forward travel can also be adjusted by shift handle 600 during forward travel. When the monorail crane needs to be shut down, the gear shifting handle 600 can be directly shifted to the neutral zero position, the pneumatic motor 320 stops rotating, the walking gear 310 is meshed with the I-shaped monorail and locked, and the monorail crane stops running. During backwashing, the air compressor 410 is turned off and the scavenging pump is turned on by the back flush button 452 to begin backwashing. During braking, braking is realized through the braking mechanism and the centrifugal overspeed protection mechanism.

Compared with the prior art, the gear monorail crane driving device disclosed by the invention has the following beneficial effects:

the gear monorail crane driving device disclosed by the invention is hung on the I-shaped rack monorail 100 through the bearing wheel set 220 arranged on the box body 210, and is meshed with the rack 110 of the I-shaped rack monorail 100 through the traveling gear 310 connected with the planetary gear reducer 330, the pneumatic motor 320 and the air source mechanism, so that the compressed air provided by the air source mechanism is suitable for driving the pneumatic motor 320, further driving the traveling gear 310 to move on the I-shaped rack monorail 100, the transportation of the I-shaped rack monorail 100 is realized, the slippage does not occur in places with large operation gradient, humid environment and the like, and the transportation of materials, personnel and equipment is realized along the road.

The invention also enables the planetary gear reducer 330 to have a larger transmission ratio by arranging the double-stage planetary gear reducer 330, thereby better controlling the traveling gear 310;

the invention also enables the rotating speed of the walking gear 310 to be adjustable in two gears through the arrangement of the gear shifting clutch 500, so that the walking vehicle can better walk on the I-shaped monorail.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.