CN115849220B - Pneumatic gear driving system - Google Patents
Pneumatic gear driving system Download PDFInfo
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- CN115849220B CN115849220B CN202310146088.7A CN202310146088A CN115849220B CN 115849220 B CN115849220 B CN 115849220B CN 202310146088 A CN202310146088 A CN 202310146088A CN 115849220 B CN115849220 B CN 115849220B
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Abstract
The invention provides a pneumatic gear driving system, which comprises a pneumatic gear driving unit, a pneumatic lifting unit, a braking unit, a connecting rod assembly and a pneumatic subsystem, wherein the pneumatic gear driving unit is connected with the pneumatic lifting unit; the pneumatic tooth driving unit comprises a mounting frame, a driving gear and a driving assembly; the mounting frame comprises a first mounting seat and a second mounting seat which are arranged in parallel, a gear box for accommodating the driving gear is formed between the first mounting seat and the second mounting seat, and an opening is formed in the top of the gear box; the driving assembly comprises a driving machine and a speed reducer, the driving machine is arranged at the opposite side of the first mounting seat relative to the gear box, the speed reducer stretches into the gear box from the second mounting seat and is connected with the driving machine, and the driving gear is sleeved on the speed reducer; the connecting rod assembly is connected with the first auxiliary travelling crane and the second auxiliary travelling crane; the braking unit is used for braking the pneumatic gear driving system.
Description
Technical Field
The invention belongs to the field of rack driving equipment, and particularly relates to a pneumatic gear driving system.
Background
In special occasions such as colliery tunnel, highway tunnel, railway tunnel transport goods and personnel, often can use an overhead monorail, the main advantage of overhead monorail transportation: firstly, the monorail crane has small section and high utilization rate of tunnel section space; the device can be used for continuous non-reversed transportation of a gallery and an inclined gallery, the transportation load is not limited by the condition of a bottom plate, and the device can run on various vertical curves, flat curves and complex curves; and thirdly, the auxiliary transportation from the mining area yard to the working surface without transferring can be completed, and the auxiliary transportation device can be used for auxiliary transportation operation of connecting a main transportation roadway and the mining area roadway together.
In the prior art, a friction type driving wheel is often used to be connected with a monorail crane, an object is driven to be borne by the friction force of the driving wheel to move along a track, but in the environment such as a tunnel, the friction coefficient between the track and the driving wheel is reduced due to the change of humidity and accumulated water, and the monorail crane driven by the friction force is easy to slip.
In view of this, there is a need to propose a gear drive unit, in particular a pneumatic gear drive system.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide a pneumatic gear driving system, which is used for driving gears to directly mesh with the gears for walking in a pneumatic driving mode so as to replace the traditional friction driving rack driving mode.
The technical aim of the invention is realized by the following technical scheme:
a pneumatic gear driving system comprises a pneumatic gear driving unit, a pneumatic lifting unit, a braking unit and a connecting rod assembly;
the pneumatic tooth driving unit comprises a mounting frame, a driving gear and a driving assembly;
the mounting frame comprises a first mounting seat and a second mounting seat which are arranged in parallel, a gear box for accommodating the driving gear is formed between the first mounting seat and the second mounting seat, and an opening is formed in the top of the gear box;
the driving assembly comprises a driving machine and a speed reducer, the driving machine is arranged on the opposite side of the first mounting seat relative to the gear box, the speed reducer extends into the gear box from the second mounting seat and is connected with the driving machine, and the driving gear is sleeved on the speed reducer;
the connecting rod assembly comprises a first connecting rod and a second connecting rod which are sequentially connected; one end of the first connecting rod is connected with the end part of the mounting frame, and the other end of the first connecting rod is connected with a first auxiliary travelling crane; one end of the second connecting rod is connected with the first auxiliary travelling crane, and the other end of the second connecting rod is connected with the second auxiliary travelling crane;
the end part of the second auxiliary travelling crane, which is far away from the second connecting rod, is connected with a bearing rod, and a braking unit is connected below the bearing rod and is used for braking a pneumatic gear driving system;
the lower parts of the first auxiliary travelling crane and the second auxiliary travelling crane are connected with the pneumatic lifting unit;
the pneumatic gear drive unit, the pneumatic lifting unit and the braking unit are connected through a gas circuit.
Further, the first auxiliary traveling crane and the second auxiliary traveling crane both comprise a frame and auxiliary wheels;
one end of the frame is provided with a first connecting piece, the other end of the frame is provided with a second connecting piece, and the first connecting piece and the second connecting piece are suitable for being hinged with a connecting rod;
the top of the frame is provided with a plurality of paired auxiliary wheels, and the auxiliary wheels are used for clamping the rail;
the bottom of the frame is connected with the pneumatic lifting unit.
Further, the braking unit comprises a braking arm, a driving cylinder and an elastic guiding assembly;
the two braking arms are provided with a first hinging point, a second hinging point and a third hinging point which are sequentially arranged along the length direction of the braking arms;
two ends of the driving cylinder are respectively connected to first hinge points of the two braking arms;
the elastic guide assembly comprises a first elastic guide assembly and a second elastic guide assembly;
the two ends of the first elastic guide component are respectively hinged to the second hinge points of the two brake arms;
the number of the second elastic guide assemblies is two, and each second elastic guide assembly is correspondingly connected to a third hinge point of the brake arm.
Further, the first elastic guide assembly comprises a rod body, a guide cylinder and a spring; the two ends of the rod body are respectively connected to the second hinging points of the two braking arms, the rod body penetrates through the guide cylinder, the spring is sleeved outside the guide cylinder, one end of the spring is fixed to the guide cylinder, and the other end of the spring is fixed to the rod body;
the second elastic guide assembly comprises a guide rod, an elastic sleeve and a brake wheel; one end of the guide rod is connected to the third hinge point, the other end of the guide rod is connected with the brake wheel, and the elastic sleeve is sleeved on the periphery of the guide rod.
Further, the end part of the mounting frame is provided with a hinge seat, and the hinge seat is hinged with the first connecting rod.
Further, the top of mounting bracket is equipped with multiunit and bears the wheelset, and two in the wheelset is born to every pair bear the wheelset bear the wheel respectively the both sides of mounting bracket.
Further, a first mounting plate and a second mounting plate are arranged at the top of the mounting frame, and the first mounting plate and the second mounting plate are parallel to each other and are arranged on two sides of the mounting frame;
two bearing wheels in the bearing wheel set, one bearing wheel set is arranged on the first mounting plate, and the other bearing wheel set is arranged on the second mounting plate;
if the number of the bearing wheel sets is greater than three, the spacing between the adjacent bearing wheel sets is equal.
Further, the pneumatic gear driving device further comprises a weight piece, wherein the weight piece is arranged on one side of the second mounting seat and sleeved on the outer side of the speed reducer, and the weight piece enables the gravity center of the pneumatic gear driving unit to be located on the middle line section of the driving gear along the width direction of the driving gear.
Further, the pneumatic lifting unit is a pneumatic hoist.
Further, the speed reducer comprises a first rotating assembly, a second rotating assembly, a first speed reduction gear train and a second speed reduction gear train;
the first rotating assembly is coaxially sleeved outside the second rotating assembly, the end part of the second rotating assembly is connected to the pneumatic motor, a first driving face gear and a second driving face gear are arranged on the periphery of the second rotating assembly, and gear surfaces of the first driving face gear and the second driving face gear are oppositely arranged; the first speed reducing gear train is meshed with the first driving end face gear, the second speed reducing gear train is meshed with the second driving end face gear, and the speed reducing ratio of the second speed reducing gear train is larger than that of the first speed reducing gear train;
the inner wall of the first rotating assembly is provided with a driven face gear in a sliding manner, two side surfaces of the lower end of the driven face gear are planes, and tooth surfaces are arranged on two sides of the driven face gear above the plane of the lower end of the driven face gear and are suitable for being meshed with the first reduction gear train or the second reduction gear train;
two groups of pneumatic disc springs are arranged on the outer side of the second rotating assembly, one group of pneumatic disc springs are positioned between the first reduction gear train and the driven face gear, and the other group of pneumatic disc springs are positioned between the second reduction gear train and the driven face gear; the end part of the pneumatic disc spring is connected with a brake disc; each of the pneumatic disc springs has a contact stroke and a braking stroke
The invention also provides a pneumatic gear driven monorail crane, which comprises a pneumatic gear driving system, wherein a plurality of pneumatic gear driving systems are connected in series.
Compared with the prior art, the technical scheme provided by the invention has the following advantages:
(1) The system disclosed by the invention has the advantages that the bearing wheel is of a bearing structure, the friction between the bearing wheel and the bearing surface of the monorail is small, the required driving force is small, the driving gear is only used as a transmission structure, no load transmission is needed, the transmission is smoother, and the abrasion is also small; meanwhile, the gear driving device is simple in structure and high in efficiency.
(2) The invention adopts the gear type pneumatic motor, the gear type pneumatic motor is adopted in the pneumatic motor, the dependence of the gear pneumatic motor on the cleanliness of the air source is lower relative to the blade type pneumatic motor, when the cleanliness of the air source is lower, the blade type pneumatic motor is easy to break down in the use process, so the pneumatic motor is more durable.
Drawings
FIG. 1 is a schematic diagram of a pneumatic gear drive system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a pneumatic gear drive system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an explosion structure of a pneumatic gear unit according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a brake unit according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a speed reducer provided by an embodiment of the present invention;
FIG. 6 is an enlarged view of A in FIG. 2 provided by an embodiment of the present invention;
FIG. 7 is a schematic diagram of a pneumatic circuit structure of a pneumatic subsystem according to an embodiment of the present invention;
fig. 8 is a schematic cross-sectional view of a speed reducer according to an embodiment of the present invention at another view angle.
Wherein, the liquid crystal display device comprises a liquid crystal display device,
1. a pneumatic tooth driving unit; 2. a pneumatic lifting unit; 3. a connecting rod assembly; 4. a braking unit;
11. a mounting frame; 12. a drive gear; 13. a drive assembly;
111. a first mount; 112. a second mounting base; 113. a gear box; 114. a hinge base; 115. a first mounting plate; 116. a second mounting plate; 117. a carrying wheel;
131. a driving machine; 132. a speed reducer; 133. a weight member; 134. a drive joint;
1321. a first rotating assembly; 1322. a second rotating assembly; 1323. driven face gears; 1324. a first drive face gear; 1325. a second drive face gear; 1326. pneumatic disc springs; 1327. a reduction face gear; 1328. a first reduction gear train; 1329. a second reduction gear train; 1330. a T-shaped slider;
31. a first auxiliary travelling crane; 32. a second auxiliary travelling crane; 33. a first link; 34. a second link; 35. a carrier bar;
321. a frame; 322. an auxiliary wheel;
3211. a first connector; 3212. a second connector;
41. a brake arm; 42. a driving cylinder;
411. a first hinge point; 412. a second hinge point; 413. a third hinge point;
431. a first resilient guide assembly; 432. a second resilient guide assembly;
4311. a rod body; 4312. a guide cylinder; 4313. a spring;
4321. a guide rod; 4322. an elastic sleeve; 4323. and a brake wheel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The present embodiment provides a pneumatic gear driving system, as shown in fig. 1 and 2, including a pneumatic gear driving unit, a pneumatic lifting unit, a braking unit, and a link assembly.
The pneumatic tooth driving unit comprises a mounting frame, a driving gear and a driving assembly;
the mounting frame comprises a first mounting seat and a second mounting seat which are arranged in parallel, a gear box for accommodating the driving gear is formed between the first mounting seat and the second mounting seat, and an opening is formed in the top of the gear box; the driving assembly comprises a driving machine and a speed reducer, the driving machine is arranged on the opposite side of the first mounting seat relative to the gear box, one end, far away from the speed reducer, of the driving machine is connected with a driving joint, the driving joint is connected to the pneumatic subsystem, the speed reducer stretches into the gear box from the second mounting seat and is connected with the driving machine, and the driving gear is sleeved on the speed reducer.
As also shown in fig. 1 and 2, the linkage assembly includes a first linkage and a second linkage connected in series; one end of the first connecting rod is connected with the end part of the mounting frame, and the other end of the first connecting rod is connected with a first auxiliary travelling crane; one end of the second connecting rod is connected with the first auxiliary travelling crane, and the other end of the second connecting rod is connected with the second auxiliary travelling crane; the end part of the second auxiliary travelling crane, which is far away from the second connecting rod, is connected with a bearing rod, and a braking unit is connected below the bearing rod and is used for braking a pneumatic gear driving system; the lower parts of the first auxiliary travelling crane and the second auxiliary travelling crane are connected with the pneumatic lifting unit;
the pneumatic gear drive unit, the pneumatic lifting unit and the braking unit are connected through a gas circuit.
Further, as shown in fig. 6, the first auxiliary traveling crane and the second auxiliary traveling crane each include a frame and an auxiliary wheel;
one end of the frame is provided with a first connecting piece, the other end of the frame is provided with a second connecting piece, and the first connecting piece and the second connecting piece are suitable for being hinged with a connecting rod; the top of the frame is provided with a plurality of paired auxiliary wheels, and the auxiliary wheels are used for clamping the rail; the bottom of the frame is connected with the pneumatic lifting unit.
As a preferred mode of the present embodiment, as shown in fig. 4, the brake unit includes a brake arm, a driving cylinder, and an elastic guide assembly; the two braking arms are provided with a first hinging point, a second hinging point and a third hinging point which are sequentially arranged along the length direction of the braking arms;
two ends of the driving cylinder are respectively connected to first hinge points of the two braking arms;
the elastic guide assembly comprises a first elastic guide assembly and a second elastic guide assembly;
the two ends of the first elastic guide component are respectively hinged to the second hinge points of the two brake arms; the number of the second elastic guide assemblies is two, and each second elastic guide assembly is correspondingly connected to a third hinge point of the brake arm.
Further, the first elastic guide assembly comprises a rod body, a guide cylinder and a spring; the two ends of the rod body are respectively connected to the second hinging points of the two braking arms, the rod body penetrates through the guide cylinder, the spring is sleeved outside the guide cylinder, one end of the spring is fixed to the guide cylinder, and the other end of the spring is fixed to the rod body; the second elastic guide assembly comprises a guide rod, an elastic sleeve and a brake wheel; one end of the guide rod is connected to the third hinge point, the other end of the guide rod is connected with the brake wheel, and the elastic sleeve is sleeved on the periphery of the guide rod.
Further, the end part of the mounting frame is provided with a hinge seat, and the hinge seat is hinged with the first connecting rod.
Further, the top of mounting bracket is equipped with multiunit and bears the wheelset, and two in the wheelset is born to every pair bear the wheelset bear the wheel respectively the both sides of mounting bracket. The top of the mounting frame is provided with a first mounting plate and a second mounting plate, and the first mounting plate and the second mounting plate are parallel to each other and are arranged on two sides of the mounting frame; two bearing wheels in the bearing wheel set, one bearing wheel set is arranged on the first mounting plate, and the other bearing wheel set is arranged on the second mounting plate; in this embodiment the load bearing wheels only provide the load bearing effect by which the system of this embodiment is clamped to the track of the monorail.
In this embodiment, if the number of the bearing wheel sets is greater than three, the distances between two adjacent bearing wheel sets are equal.
Further, the pneumatic gear driving device further comprises a weight piece, wherein the weight piece is arranged on one side of the second mounting seat and sleeved on the outer side of the speed reducer, and the weight piece enables the gravity center of the pneumatic gear driving unit to be located on the middle line section of the driving gear along the width direction of the driving gear. The shape of the balancing weight is basically similar to that of the driving machine, and the weight of the balancing weight is basically the same, and the balancing weight is arranged on the opposite side of the driving machine through a fastener and sleeved on the outer side of the speed reducer. The balancing weight is suitable for balancing the force of the driving machine and the speed reducer on the gearbox.
The driving machine of the embodiment is a pneumatic motor, a gear type gear pneumatic motor is adopted in the pneumatic motor, the dependence of the gear pneumatic motor on the cleanliness of the air source is lower relative to the blade type air motor, and when the cleanliness of the air source is lower, the blade type pneumatic motor is easy to break down in the use process, so that the pneumatic motor is more durable.
Further, as shown in fig. 5, the speed reducer includes a first rotating assembly, a second rotating assembly, a first reduction gear train and a second reduction gear train;
the first rotating assembly is coaxially sleeved outside the second rotating assembly, the end part of the second rotating assembly is connected to the pneumatic motor, a first driving face gear and a second driving face gear are arranged on the periphery of the second rotating assembly, and gear surfaces of the first driving face gear and the second driving face gear are oppositely arranged; the first speed reducing gear train is meshed with the first driving end face gear, the second speed reducing gear train is meshed with the second driving end face gear, and the speed reducing ratio of the second speed reducing gear train is larger than that of the first speed reducing gear train;
the inner wall of the first rotating assembly is provided with a driven face gear in a sliding manner, two side surfaces of the lower end of the driven face gear are planes, and tooth surfaces are arranged on two sides of the driven face gear above the plane of the lower end of the driven face gear and are suitable for being meshed with the first reduction gear train or the second reduction gear train;
two groups of pneumatic disc springs are arranged on the outer side of the second rotating assembly, one group of pneumatic disc springs are positioned between the first reduction gear train and the driven face gear, and the other group of pneumatic disc springs are positioned between the second reduction gear train and the driven face gear; the end part of the pneumatic disc spring is connected with a brake disc; each of the pneumatic disc springs has a contact stroke and a braking stroke.
In this embodiment, the first driving face gear and the second driving face gear both use the central shaft of the second rotating component of the reducer as the rotation shaft, both are fixed on the periphery of the second rotating component, while the first reducing gear train and the second reducing gear train in this embodiment are all formed by a plurality of face gears sleeved on the outer side of the second rotating component, taking the first reducing gear train as an example, the first reducing gear train includes at least one reducing face gear sleeved on the outer side of the second rotating component, two sides of the reducing face gear are provided with face teeth with different numbers of teeth so as to form a stage of transmission ratio, and one reducing face gear is located on the face teeth on two sides and meshed with the first driving face gear and the driven face gear.
As a further preferable mode, the reduction face gear may be plural, forming a multi-stage gear ratio.
The present embodiment will be further described with respect to a speed reducer in which the initial position of the driven face gear is located between the first reduction gear train and the second reduction gear train. The pneumatic disc springs comprise a first pneumatic disc spring and a second pneumatic disc spring, the first pneumatic disc spring is positioned between the second reduction gear train and the driven face gear, and the second pneumatic disc spring is positioned between the first reduction gear train and the driven face gear.
When the speed reducer is started, a first pneumatic disc spring in the pneumatic disc springs pushes the driven face gear to contact the first speed reducing gear train, and the rotating speed of the driven face gear is the first rotating speed, namely the accelerating rotating speed.
When the speed reduction is needed, a second pneumatic disc spring in the pneumatic disc springs pushes the driven face gear to contact the second speed reduction gear train, and the rotating speed of the driven face gear is the second rotating speed, namely the speed reduction rotating speed.
In the process of accelerating the rotation speed, the first pneumatic disc spring is also provided with a working flow, wherein the first pneumatic disc spring firstly contacts the driven face gear, at the moment, the braking stroke of the first pneumatic disc spring is carried out, then the first pneumatic disc spring is retracted to a position where the first pneumatic disc spring does not contact the driven face gear, at the moment, the first pneumatic disc spring is in contact with the driven face gear. The braking travel and the contact travel of the second pneumatic disc spring are the same, so the operation of decelerating the rotational speed will not be further described.
In the braking process, the second pneumatic disc spring moves to a braking stroke to enable the driven end face gear to contact the second reduction gear train, at the moment, the driven rotation gear is reduced due to the change of the transmission ratio, then the second pneumatic disc spring returns to the braking stroke after returning to the contact stroke in a short time, and the driven end face gear is continuously compressed by the compression force of the second pneumatic disc spring to perform the reduction.
It should be noted that, the working principle of the pneumatic disc spring is that the air chamber and the disc spring work together, which is a mature technology in the field, and will not be described herein. The driven face gear has multiple setting modes to drive the first rotating assembly and slide along the inner wall of the first rotating assembly, and this embodiment takes an implementation mode as an example, as shown in fig. 8, a T-shaped slider extending outwards from the gear is arranged at the round end of the two axisymmetric ends of the driven face gear, so when the driven face gear rotates, the T-shaped slider can drive the first rotating assembly to move simultaneously due to the fact that the T-shaped slider can only move axially, and the driven face gear can be driven by utilizing a pneumatic disc spring when the driven face gear needs to move axially along with the T-shaped slider.
As a further preferable mode of the present embodiment, the end surfaces of the first pneumatic disc spring and the second pneumatic disc spring are each provided with a brake disc whose surface is roughened.
Further, the pneumatic lifting unit is a pneumatic hoist. The pneumatic hoist is a conventional lifting arrangement in the field, and will not be described in detail in this embodiment.
In order to further explain the implementation manner of the present embodiment, fig. 7 shows a schematic air path structure diagram (pneumatic schematic diagram) of the present embodiment, and the pneumatic subsystem includes a main air path and a lifting air path, where the main air path and the lifting air path are connected through a ball valve. The pneumatic subsystem of the embodiment takes air as an air source, after the air is sucked from the air, the air sequentially passes through the separator, the filter and the oil mist generator after entering the main air passage, the main air passage is provided with a driving air passage and a braking air passage after the oil mist generator, the driving air passage is used for supplying air to the driving machine, and the braking air passage is used for supplying air to the braking unit. The pneumatic subsystem further comprises a whistle connected to the main air path.
The embodiment also provides a pneumatic gear driven monorail crane, which comprises a pneumatic gear driving system, wherein a plurality of pneumatic gear driving systems are connected in series.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (9)
1. The pneumatic gear driving system is characterized by comprising a pneumatic gear driving unit, a pneumatic lifting unit, a braking unit and a connecting rod assembly;
the pneumatic tooth driving unit comprises a mounting frame, a driving gear and a driving assembly;
the mounting frame comprises a first mounting seat and a second mounting seat which are arranged in parallel, a gear box for accommodating the driving gear is formed between the first mounting seat and the second mounting seat, and an opening is formed in the top of the gear box;
the driving assembly comprises a driving machine and a speed reducer, the driving machine is arranged on the opposite side of the first mounting seat relative to the gear box, the speed reducer extends into the gear box from the second mounting seat and is connected with the driving machine, and the driving gear is sleeved on the speed reducer;
the connecting rod assembly comprises a first connecting rod and a second connecting rod which are sequentially connected; one end of the first connecting rod is connected with the end part of the mounting frame, and the other end of the first connecting rod is connected with a first auxiliary travelling crane; one end of the second connecting rod is connected with the first auxiliary travelling crane, and the other end of the second connecting rod is connected with the second auxiliary travelling crane;
the end part of the second auxiliary travelling crane, which is far away from the second connecting rod, is connected with a bearing rod, and a braking unit is connected below the bearing rod and is used for braking a pneumatic gear driving system;
the lower parts of the first auxiliary travelling crane and the second auxiliary travelling crane are connected with the pneumatic lifting unit;
the pneumatic subsystem is connected with the pneumatic tooth driving unit, the pneumatic lifting unit and the braking unit through air paths;
the speed reducer comprises a first rotating assembly, a second rotating assembly, a first speed reduction gear train and a second speed reduction gear train;
the first rotating assembly is coaxially sleeved outside the second rotating assembly, the end part of the second rotating assembly is connected to the pneumatic motor, a first driving face gear and a second driving face gear are arranged on the periphery of the second rotating assembly, and gear surfaces of the first driving face gear and the second driving face gear are oppositely arranged; the first speed reducing gear train is meshed with the first driving end face gear, the second speed reducing gear train is meshed with the second driving end face gear, and the speed reducing ratio of the second speed reducing gear train is larger than that of the first speed reducing gear train;
the inner wall of the first rotating assembly is provided with a driven face gear in a sliding manner, two side surfaces of the lower end of the driven face gear are planes, and tooth surfaces are arranged on two sides of the driven face gear above the plane of the lower end of the driven face gear and are suitable for being meshed with the first reduction gear train or the second reduction gear train;
two groups of pneumatic disc springs are arranged on the outer side of the second rotating assembly, one group of pneumatic disc springs are positioned between the first reduction gear train and the driven face gear, and the other group of pneumatic disc springs are positioned between the second reduction gear train and the driven face gear; the end part of the pneumatic disc spring is connected with a brake disc; each pneumatic disc spring has a contact stroke and a braking stroke;
the T-shaped sliding blocks extending outwards of the gears are embedded into the first rotating assembly at the two axisymmetric round end parts of the driven face gear.
2. The pneumatic gear drive system of claim 1, wherein the first auxiliary row cart and the second auxiliary row cart each comprise a frame and an auxiliary wheel;
one end of the frame is provided with a first connecting piece, the other end of the frame is provided with a second connecting piece, and the first connecting piece and the second connecting piece are suitable for being hinged with a connecting rod;
the top of the frame is provided with a plurality of paired auxiliary wheels, and the auxiliary wheels are used for clamping the rail;
the bottom of the frame is connected with the pneumatic lifting unit.
3. The pneumatic gear drive system of claim 2, wherein the brake unit comprises a brake arm, a drive cylinder, and an elastic guide assembly;
the two braking arms are provided with a first hinging point, a second hinging point and a third hinging point which are sequentially arranged along the length direction of the braking arms;
two ends of the driving cylinder are respectively connected to first hinge points of the two braking arms;
the elastic guide assembly comprises a first elastic guide assembly and a second elastic guide assembly;
the two ends of the first elastic guide component are respectively hinged to the second hinge points of the two brake arms;
the number of the second elastic guide assemblies is two, and each second elastic guide assembly is correspondingly connected to a third hinge point of the brake arm.
4. A pneumatic gear drive system as set forth in claim 3 wherein said first resilient guide assembly comprises a rod, a guide cylinder and a spring; the two ends of the rod body are respectively connected to the second hinging points of the two braking arms, the rod body penetrates through the guide cylinder, the spring is sleeved outside the guide cylinder, one end of the spring is fixed to the guide cylinder, and the other end of the spring is fixed to the rod body;
the second elastic guide assembly comprises a guide rod, an elastic sleeve and a brake wheel; one end of the guide rod is connected to the third hinge point, the other end of the guide rod is connected with the brake wheel, and the elastic sleeve is sleeved on the periphery of the guide rod.
5. A pneumatic gear drive system as claimed in claim 1, wherein the end of the mounting frame is provided with a hinge mount, the hinge mount being hingedly connected to the first link.
6. A pneumatic gear drive system as claimed in claim 5 wherein the top of the mounting frame is provided with a plurality of sets of load-bearing wheel sets, two of the load-bearing wheels of each pair being located on respective sides of the mounting frame.
7. The pneumatic gear drive system of claim 6, wherein a first mounting plate and a second mounting plate are provided on top of the mounting frame, the first mounting plate and the second mounting plate being parallel to each other and provided on both sides of the mounting frame;
two bearing wheels in the bearing wheel set, one bearing wheel set is arranged on the first mounting plate, and the other bearing wheel set is arranged on the second mounting plate;
if the number of the bearing wheel sets is greater than three, the spacing between the adjacent bearing wheel sets is equal.
8. The pneumatic gear drive system of claim 1, further comprising a weight member disposed on one side of the second mount and sleeved outside the speed reducer, the weight member positioning the center of gravity of the pneumatic gear drive unit on a center line section of the drive gear in a width direction thereof.
9. The pneumatic gear drive system of claim 1, wherein the pneumatic lifting unit is a pneumatic hoist.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310146088.7A CN115849220B (en) | 2023-02-22 | 2023-02-22 | Pneumatic gear driving system |
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| CN202310146088.7A CN115849220B (en) | 2023-02-22 | 2023-02-22 | Pneumatic gear driving system |
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| CN115849220A CN115849220A (en) | 2023-03-28 |
| CN115849220B true CN115849220B (en) | 2023-05-05 |
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| CN116667218A (en) * | 2023-06-26 | 2023-08-29 | 国家电网有限公司 | Power industry power supply service mobile operation platform |
Citations (3)
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| CN115849220A (en) | 2023-03-28 |
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