CN217170507U - Flatbed that possesses contact net and overhaul function - Google Patents
Flatbed that possesses contact net and overhaul function Download PDFInfo
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- CN217170507U CN217170507U CN202220175929.8U CN202220175929U CN217170507U CN 217170507 U CN217170507 U CN 217170507U CN 202220175929 U CN202220175929 U CN 202220175929U CN 217170507 U CN217170507 U CN 217170507U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The utility model discloses a flat car with contact net overhaul function, which comprises a main frame, a plurality of bogies, a walking mechanism, an air brake mechanism, a basic brake mechanism, a hand brake mechanism, a fixed operation platform, a lifting mechanism and a vehicle-mounted hydraulic crane, wherein a support plate is fixedly connected to the main frame; a plurality of bogies are symmetrically arranged on two sides of the bottom of the main frame; the traveling mechanism is fixedly arranged at the bottom of the main frame; the air brake mechanism is fixedly arranged at the bottom of the supporting plate; the basic brake mechanism is fixedly arranged at the bottom of the supporting plate, is movably connected with the air brake mechanism and is used for amplifying the braking force generated by the air brake mechanism. The utility model has the advantages that: multiple functional, the modern design, it is with low costs, improved braking effect greatly, satisfy not co-altitude, the work that the contact net of different distances overhauld has improved maintenance efficiency.
Description
Technical Field
The utility model relates to a railway contact net overhauls technical field, especially relates to a flatbed that possesses contact net and overhauls function.
Background
A railway contact network is a power transmission line which is erected over a railway line and supplies power to an electric locomotive, and once an unexpected fault occurs, the power transmission line can cause impact on the normal operation of a railway train. Therefore, the daily maintenance of the railway overhead line system is very important.
The patent (publication number: 201921732357.3) discloses a railway contact net inspection vehicle, be equipped with aerial maintenance work platform, article place the district, generating set and brake equipment on the chassis assembly, be equipped with lighting apparatus, communication equipment, electric connector and scram switch on the aerial maintenance work platform, generating set respectively with lighting apparatus the communication equipment the electric connector the scram switch electric connection, the scram switch is used for controlling brake equipment.
The railway contact net overhaul vehicle is high in manufacturing cost, brake shoes are abraded when a long and large slope goes downhill, so that the braking force is weakened, the braking performance is reduced, the braking effect is reduced due to a single braking mode, and the potential safety hazard exists in braking; the whole vehicle operation device is provided with a single operation platform, and the through operation of a contact network area cannot be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide a flatbed that possesses contact net and overhaul function, it is weak to solve brake performance among the prior art, can't realize the operation that link up of contact net region, and put in order the technical problem that car manufacturing cost is high.
In order to achieve the technical purpose, the technical scheme of the utility model provide a flatbed that possesses contact net and overhaul function, include:
the main frame is fixedly connected with a supporting plate;
the two sides of the bottom of the main frame are symmetrically provided with a plurality of bogies;
the traveling mechanism is fixedly arranged at the bottom of the main frame;
the air brake mechanism is fixedly arranged at the bottom of the supporting plate;
the basic brake mechanism is fixedly arranged at the bottom of the supporting plate, is movably connected with the air brake mechanism and is used for amplifying the braking force generated by the air brake mechanism;
one end of the hand braking mechanism is positioned at the bottom of the supporting plate and is movably connected with the basic braking mechanism, the other end of the hand braking mechanism is positioned at the end part of the main frame, and the hand braking mechanism can drive the basic braking mechanism to generate braking force;
the fixed operation platform is fixedly arranged on the supporting plate through a bracket;
the lifting mechanism comprises a lifting upright post, a platform support and a lifting operation platform, wherein the lifting upright post and the platform support are fixedly arranged on the supporting plate, the bottom of one end of the lifting operation platform is movably connected with the lifting upright post, and the bottom of the other end of the lifting operation platform is movably arranged on the platform support;
and the hydraulic crane on the vehicle is fixedly arranged on the supporting plate and is positioned on one side of the lifting mechanism.
Furthermore, running gear includes a plurality of axletree bearing box, a plurality of axletree and a plurality of wheel, and a plurality of axletree bearing box symmetry sets up the bottom both sides of main frame, the last rotation of axletree bearing box is connected with the axletree, set firmly on the axletree the wheel.
Furthermore, the air brake mechanism includes distributing valve, checking cylinder, work air cylinder, vice air cylinder, dust arrester, branch tuber pipe and main tuber pipe, the air intake of checking cylinder passes through branch tuber pipe with the connection can be dismantled to the first air outlet of distributing valve, the air intake of work air cylinder passes through branch tuber pipe with the connection can be dismantled to the second air outlet of distributing valve, the air intake of vice air cylinder passes through branch tuber pipe with the connection can be dismantled to the third air outlet of distributing valve, the air outlet of dust arrester passes through branch tuber pipe with the connection can be dismantled to the air intake of distributing valve, the air intake of dust arrester passes through branch tuber pipe with main tuber pipe intercommunication, main tuber pipe along main frame length direction sets up, and stretch out to the main frame is outside.
Furthermore, the basic brake mechanism comprises a first lever mechanism and a plurality of brake shoes, one end of the first lever mechanism is movably connected with the brake cylinder through a shaft pin, the other end of the first lever mechanism is provided with the plurality of brake shoes, and the brake shoes are arranged on the inner side of the wheel and used for braking the wheel.
Furthermore, the hand braking mechanism comprises a second lever mechanism and a driving mechanism, one end of the second lever mechanism is movably connected with the first lever mechanism on the basic braking mechanism through a shaft pin, and the driving mechanism is connected with the other end of the second lever mechanism and used for driving the second lever mechanism and braking the second lever mechanism.
Furthermore, the air brake mechanism further comprises a brake hose connector and a spherical folding angle cock, the brake hose connector and the spherical folding angle cock are arranged at two ends of the main air pipe, and the spherical folding angle cock is located behind the brake hose connector along the air inlet direction of the main air pipe.
Further, the first lever mechanism comprises a front brake lever plate, a rear brake lever plate, a first upper pull rod and a second upper pull rod, one end of the front brake lever plate is movably connected with the brake cylinder piston push rod through a shaft pin, the other end of the front brake lever plate is movably connected with one end of the first upper pull rod through the shaft pin, the other end of the first upper pull rod is connected with the brake shoe, one end of the rear brake lever plate is movably connected with the other end of the brake cylinder through the shaft pin, the other end of the rear brake lever plate is movably connected with one end of the second upper pull rod through the shaft pin, and the other end of the second upper pull rod is connected with the brake shoe.
Furthermore, the front brake lever plate and the rear brake lever plate are symmetrically arranged along the brake cylinder, and the middle parts of the front brake lever plate and the rear brake lever plate are movably connected with a first connecting pull rod through a shaft pin.
Furthermore, the second lever mechanism comprises a brake lever, a hand brake pull rod and a second connecting pull rod, one end of the brake lever is movably connected to the main frame through a shaft pin, the other end of the brake lever is movably connected with one end of the hand brake pull rod through the shaft pin, the other end of the hand brake pull rod is connected with the driving mechanism, one end of the second connecting pull rod is movably connected with the middle of the brake lever through the shaft pin, and the other end of the second connecting pull rod is movably connected with the front brake lever plate on the first lever mechanism through the shaft pin and can drive the first lever mechanism to act and drive the brake shoe to brake.
Furthermore, the driving mechanism is arranged at the end of the main frame, the driving mechanism comprises a supporting plate, a ratchet wheel, a rotating shaft and a hand wheel, the supporting plate is fixedly arranged on the main frame, the ratchet wheel is arranged on the supporting plate, the lower end of the rotating shaft is fixedly connected with the ratchet wheel, penetrates through the supporting plate and is rotatably connected with the supporting plate, the bottom of the rotating shaft is connected with the hand braking pull rod on the second lever mechanism, and the hand wheel is fixedly arranged at the top of the rotating shaft.
Compared with the prior art, the beneficial effects of the utility model include: this flatbed that possesses contact net and overhaul function does not establish away shape actuating mechanism, by diesel locomotive traction operation, accomplish the routine maintenance of contact net jointly with diesel locomotive, adjustment and maintenance work, this flatbed that possesses contact net and overhaul function, can regard as the common vehicle use that the contact net overhauld, multiple functional, novel in design, it is with low costs, because of not establishing actuating mechanism, it is lower than railway conventional vehicle configuration car group cost, its braking system adopts basic brake mechanism, the mode of air brake mechanism and hand brake mechanism combined braking, the braking effect has been improved greatly, the lift of platform can be realized under hydraulic control system's effect to its lift operation platform, it is rotatory, satisfy different heights, the work that the contact net of different distances overhauld, the maintenance efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a flat car with a catenary maintenance function provided by the present invention;
fig. 2 is a top view of the flat car structure with catenary maintenance function in fig. 1;
fig. 3 is a right side view of the flat car structure with a catenary maintenance function in fig. 1;
FIG. 4 is a schematic structural view of the air brake mechanism of FIG. 1;
FIG. 5 is a front view of the air brake mechanism of FIG. 4;
FIG. 6 is a diagram of the connection of the components of the air brake mechanism of FIG. 4;
FIG. 7 is a schematic view of the basic brake mechanism of FIG. 1;
FIG. 8 is a schematic view of the hand brake mechanism of FIG. 1;
FIG. 9 is a schematic view of the drive mechanism of FIG. 8;
fig. 10 is a second plan view of the flatbed configuration with overhead line system maintenance function in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a flatbed with contact net overhauls function, its structure is shown in fig. 1-2, including main frame 1, a plurality of bogies 2, running gear 3, air brake mechanism 4, basic brake mechanism 5, hand brake mechanism 6, fixed work platform 7, elevating system 8 and lorry-mounted hydraulic crane 9, the rigid coupling has backup pad 11 on the main frame 1; a plurality of bogies 2 are symmetrically arranged on two sides of the bottom of the main frame 1; the travelling mechanism 3 is fixedly arranged at the bottom of the main frame 1; the air brake mechanism 4 is fixedly arranged at the bottom of the support plate 11; the basic brake mechanism 5 is fixedly arranged at the bottom of the support plate 11, is movably connected with the air brake mechanism 4 and is used for amplifying the braking force generated by the air brake mechanism 4; one end of the hand braking mechanism 6 is positioned at the bottom of the supporting plate 11 and is movably connected with the basic braking mechanism 5, the other end of the hand braking mechanism 6 is positioned at the end part of the main frame 1, and the hand braking mechanism 6 can drive the basic braking mechanism 5 to generate braking force; the fixed operation platform 7 is fixedly arranged on the supporting plate 11 through a bracket; the lifting mechanism 8 comprises a lifting upright 81, a platform support 82 and a lifting operation platform 83, the lifting upright 81 and the platform support 82 are fixedly arranged on the supporting plate 11, the bottom of one end of the lifting operation platform 83 is movably connected with the lifting upright 81, and the bottom of the other end of the lifting operation platform 83 is movably arranged on the platform support 82; the lorry-mounted hydraulic crane 9 is fixedly arranged on the supporting plate 11 and is positioned at one side of the lifting mechanism 8.
Through controlling the lifting and the rotation of the lifting upright column 81, the lifting and the rotation of the lifting operation platform 83 are controlled, the whole vehicle is dragged by an internal combustion locomotive, the vehicle-mounted hydraulic crane 9 is powered by a motor-driven hydraulic oil pump, a motor power supply is provided by the traction internal combustion locomotive, so that the hoisting operation of the vehicle-mounted hydraulic crane 9 can be controlled, when the whole vehicle needs to be stopped, the basic brake mechanism 5 generates a brake force by starting the basic brake mechanism 5, when the whole vehicle is in a long and large ramp section, the air brake mechanism 4 is controlled in a matching way, the basic brake mechanism 5 is further pushed to generate a brake, the basic brake mechanism 5 can increase the brake force generated by the air brake mechanism 4 to brake the whole vehicle, the brake force can not be attenuated within a certain range, when the whole vehicle is stopped on a railway, the hand brake mechanism 6 is operated to brake the vehicle parked on the line to prevent the vehicle from rolling.
As a preferred embodiment, referring to fig. 3, the traveling mechanism 3 includes a plurality of axle bearing boxes 31, a plurality of axles 32, and a plurality of wheels 33, the axle bearing boxes 31 are symmetrically disposed on two sides of the bottom of the main frame 1, the axles 32 are rotatably connected to the axle bearing boxes 31, and the wheels 33 are fixedly disposed on the axles.
As a preferred embodiment, referring to fig. 4-6, the air brake mechanism 4 includes a distribution valve 41, a brake cylinder 42, an operating air cylinder 43, an auxiliary air cylinder 44, a dust collector 45, a branch air duct 46 and a main air duct 47, wherein an air inlet of the brake cylinder 42 is detachably connected to a first air outlet of the distribution valve 41 through the branch air duct 46, an air inlet of the operating air cylinder 43 is detachably connected to a second air outlet of the distribution valve 41 through the branch air duct 46, an air inlet of the auxiliary air cylinder 44 is detachably connected to a third air outlet of the distribution valve 41 through the branch air duct 46, an air outlet of the dust collector 45 is detachably connected to an air inlet of the distribution valve 41 through the branch air duct 46, an air inlet of the dust collector 45 is communicated with the main air duct 47 through the branch air duct 46, and the main air duct 47 is disposed along the length direction of the main frame 1, And extends to the outside of the main frame 1.
As a preferred embodiment, referring to fig. 7, the foundation brake mechanism 5 includes a first lever mechanism 51 and a plurality of brake shoes 52, one end of the first lever mechanism 51 is movably connected to the brake cylinder 42 through a shaft pin, the other end of the first lever mechanism 51 is provided with the plurality of brake shoes 52, and the brake shoes 52 are arranged inside the wheel 33 and are used for braking the wheel 33.
As a preferred embodiment, referring to fig. 8, the hand braking mechanism 6 includes a second lever mechanism 61 and a driving mechanism 62, one end of the second lever mechanism 61 is movably connected to the first lever mechanism 51 of the basic braking mechanism 5 through a shaft pin, and the driving mechanism 62 is connected to the other end of the second lever mechanism 61 for driving and braking the second lever mechanism 61.
As a preferred embodiment, referring to fig. 4-6, the air braking mechanism 4 further includes braking hose connectors 48 and ball-shaped angle plugs 49, the braking hose connectors 48 and the ball-shaped angle plugs 49 are disposed at both ends of the main air duct 47, and the ball-shaped angle plugs 49 are located behind the braking hose connectors 48 along the air intake direction of the main air duct 47.
As a preferred embodiment, referring to fig. 7, the first lever mechanism 51 comprises a front brake lever plate 511, a rear brake lever plate 512, a first upper pull rod 513 and a second upper pull rod 514, one end of the front brake lever plate 511 is movably connected to the piston push rod of the brake cylinder 42 through a pin, the other end of the front brake lever plate 511 is movably connected to one end of the first upper pull rod 513 through a pin, the other end of the first upper pull rod 513 is connected to the brake shoe 52, one end of the rear brake lever plate 512 is movably connected to the other end of the brake cylinder 42 through a pin, the other end of the rear brake lever plate 512 is movably connected to one end of the second upper pull rod 514 through a pin, and the other end of the second upper pull rod 514 is connected to the brake shoe 52.
As a preferred embodiment, referring to fig. 7, the front brake lever plate 511 and the rear brake lever plate 512 are symmetrically disposed along the brake cylinder 42, and a first connecting rod 515 is movably connected to the middle portions of the front brake lever plate 511 and the rear brake lever plate 512 through a shaft pin.
As a preferred embodiment, please refer to fig. 8, the second lever mechanism 61 includes a brake lever 611, a hand brake rod 612, and a second connecting rod 613, one end of the brake lever 611 is movably connected to the main frame 1 through a shaft pin, the other end of the brake lever 611 is movably connected to one end of the hand brake rod 612 through a shaft pin, the other end of the hand brake rod 612 is connected to the driving mechanism 62, one end of the second connecting rod 613 is movably connected to the middle of the brake lever 611 through a shaft pin, and the other end of the second connecting rod 613 is movably connected to the front brake lever plate 511 of the first lever mechanism 51 through a shaft pin, so as to drive the first lever mechanism 51 to move and drive the brake shoe 52 to generate braking.
As a preferred embodiment, referring to fig. 9, the driving mechanism 62 is disposed at an end of the main frame 1, the driving mechanism 62 includes a support plate 621, a ratchet 622, a rotating shaft 623 and a hand wheel 624, the support plate 621 is fixedly mounted on the main frame 1, the ratchet 622 is disposed on the support plate 621, a lower end of the rotating shaft 623 is fixedly connected to the ratchet 622, passes through the support plate 621 and is rotatably connected to the support plate 621, a bottom of the rotating shaft 623 is connected to the hand braking pull rod 612 on the second lever mechanism 61, and the hand wheel 624 is fixedly mounted at a top of the rotating shaft 623.
As a preferred embodiment, referring to fig. 6, a relief valve 431 is disposed on the working reservoir 43, and a stop cock 441 is disposed on the auxiliary reservoir 44.
In a preferred embodiment, the end of the hand brake lever 612 connected to the rotating shaft 623 is a chain-like structure.
As a preferred embodiment, please refer to fig. 1, the flat car with a catenary maintenance function further includes couplers 12, and the couplers 12 are disposed at two ends of the main frame 1.
As a preferred embodiment, please refer to fig. 1, the flatbed with a catenary maintenance function further includes a plurality of rail grabbers 13, and the rail grabbers 13 are symmetrically disposed at the bottom of the main frame 1 and used for clamping rails to connect the flatbed with the rails.
As a preferred embodiment, referring to fig. 1, a plurality of first illuminating lamps 71 are disposed on the fixed work platform 7.
As a preferred embodiment, referring to fig. 1, a plurality of second illuminating lamps 831 are disposed on the lifting platform 83.
As a preferred embodiment, please refer to fig. 10, the flat car with a catenary maintenance function further includes a hydraulic station 14, a generator set 15, and a control cabinet 16, wherein the hydraulic station 14, the generator set 15, and the control cabinet 16 are all disposed on the supporting plate 11, the hydraulic station 14 is configured to provide hydraulic power to the lifting column 81, the generator set 15 is configured to provide power for lighting of the whole car, and the control cabinet 16 is configured to control lifting and rotating of the lifting mechanism 8 and lifting operation of the onboard hydraulic crane 9.
In a preferred embodiment, the lifting platform 83 is provided with a manual platform turning device.
In a preferred embodiment, a stop valve is provided in the hydraulic circuit of the lifting column 81, and when the hydraulic system of the lifting column 81 fails, the stop valve is opened to allow the lifting column 81 to descend by its own weight and to be quickly reset.
As a preferred embodiment, an emergency manual pump is provided on the hydraulic station 14, so that when a main hydraulic oil path of the hydraulic station 14 fails, the lifting column 81 can be quickly returned to a driving state.
In a preferred embodiment, the control cabinet 16 is provided with a limit travel switch and an emergency switch, and the emergency switch can rapidly cut off the main oil path of the hydraulic station 14 to stop the operation of the lifting platform 83 when the lifting platform 83 is out of control due to rotation.
For better understanding of the present invention, the following detailed description is made with reference to fig. 1 to 4 for the working principle of the technical solution of the present invention:
by connecting the car coupler device on the diesel locomotive with the car coupler 12 on the utility model, the diesel locomotive pulls the flat car with the contact net overhaul function to move on the railway track, and the lifting and the rotation of the lifting operation platform 83 can be realized by controlling the lifting upright column 81, when an object needs to be hoisted, the rotation, the expansion, the amplitude and the lifting of the lifting hook of the lorry-mounted hydraulic crane 9 are controlled, so that the hoisting operation is realized; when the whole vehicle needs to be parked, the basic brake mechanism 5 is started, so that the basic brake mechanism 5 transmits the brake force to the brake shoe 52 to press the wheel 33, then the brake effect is generated through the adhesion of a wheel rail, when the whole vehicle is parked on a long slope section, the air brake mechanism 4 is cooperatively controlled, the brake cylinder 42 is driven to push a piston rod to move, the first lever mechanism 51 is further driven to generate the brake, the first lever mechanism 51 can transmit the brake force generated by the brake cylinder 42 to the brake shoe 52 after being increased, so that the brake shoe 52 presses the wheel 33, the brake force cannot be attenuated within a certain range, the whole vehicle is favorably used on the long slope section, the empty-load vehicle conversion function is realized, and when the whole vehicle is parked on a railway, the hand brake mechanism 6 is controlled to brake the vehicle parked on a line so as to prevent the vehicle from sliding.
The utility model provides a pair of flatbed that possesses contact net and overhaul function has following beneficial effect:
(1) the flat car with the contact net overhauling function can be used as a common vehicle for overhauling the contact net, has complete functions, novel design and low cost, and has lower cost than a railway conventional vehicle configuration vehicle set because of no driving mechanism;
(2) the lifting operation platform 83 can realize lifting and rotating of the platform under the action of a hydraulic control system, the maintenance work of contact networks with different heights and different distances is met, and the maintenance efficiency is improved;
(3) install on this flatbed on the lorry hydraulic crane 9, this lorry hydraulic crane 9 is 4 t.m's hoist to by motor drive hydraulic oil pump provides power, the motor power is provided by pulling diesel locomotive, through controlling the rotation of lorry hydraulic crane 9, flexible, change width of cloth and the lifting and falling of lifting hook can realize the hoist and mount operation, when the hoist and mount operation need be carried out in the inspection scene, this flatbed can in time realize hoist and mount, and is not only convenient, still saves trouble laborsaving.
The above description is intended to illustrate the embodiments of the present invention, and not to limit the scope of the invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a flatbed that possesses contact net and overhaul function which characterized in that includes:
the main frame is fixedly connected with a supporting plate;
the two sides of the bottom of the main frame are symmetrically provided with a plurality of bogies;
the traveling mechanism is fixedly arranged at the bottom of the main frame;
the air brake mechanism is fixedly arranged at the bottom of the supporting plate;
the basic brake mechanism is fixedly arranged at the bottom of the supporting plate, is movably connected with the air brake mechanism and is used for amplifying the braking force generated by the air brake mechanism;
one end of the hand braking mechanism is positioned at the bottom of the supporting plate and is movably connected with the basic braking mechanism, the other end of the hand braking mechanism is positioned at the end part of the main frame, and the hand braking mechanism can drive the basic braking mechanism to generate braking force;
the fixed operation platform is fixedly arranged on the supporting plate through a bracket;
the lifting mechanism comprises a lifting upright post, a platform support and a lifting operation platform, wherein the lifting upright post and the platform support are fixedly arranged on the supporting plate, the bottom of one end of the lifting operation platform is movably connected with the lifting upright post, and the bottom of the other end of the lifting operation platform is movably arranged on the platform support;
and the hydraulic crane on the vehicle is fixedly arranged on the supporting plate and is positioned on one side of the lifting mechanism.
2. The flat car with the catenary maintenance function according to claim 1, wherein the travelling mechanism comprises a plurality of axle bearing boxes, a plurality of axles and a plurality of wheels, the axle bearing boxes are symmetrically arranged on two sides of the bottom of the main frame, the axle bearing boxes are rotatably connected with the axles, and the wheels are fixedly arranged on the axles.
3. The flat car with the catenary maintenance function according to claim 2, wherein the air brake mechanism comprises a distribution valve, a brake cylinder, an operating air cylinder, an auxiliary air cylinder, a dust collector, a branch air duct and a main air duct, an air inlet of the brake cylinder is detachably connected to a first air outlet of the distribution valve through the branch air duct, an air inlet of the operating air cylinder is detachably connected to a second air outlet of the distribution valve through the branch air duct, an air inlet of the auxiliary air cylinder is detachably connected to a third air outlet of the distribution valve through the branch air duct, an air outlet of the dust collector is detachably connected to an air inlet of the distribution valve through the branch air duct, an air inlet of the dust collector is communicated with the main air duct through the branch air duct, and the main air duct is provided along the length direction of the main frame, And extends to the outside of the main frame.
4. The flat car with the catenary maintenance function according to claim 3, wherein the basic brake mechanism comprises a first lever mechanism and a plurality of brake shoes, one end of the first lever mechanism is movably connected with the brake cylinder through a shaft pin, the other end of the first lever mechanism is provided with the plurality of brake shoes, and the brake shoes are arranged on the inner side of the wheel and used for braking the wheel.
5. The flat car with the function of overhauling a contact net according to claim 4, wherein the hand braking mechanism comprises a second lever mechanism and a driving mechanism, one end of the second lever mechanism is movably connected with the first lever mechanism on the basic braking mechanism through a shaft pin, and the driving mechanism is connected with the other end of the second lever mechanism and used for driving the second lever mechanism to generate braking.
6. The flat car with the catenary maintenance function according to claim 5, wherein the air brake mechanism further comprises brake hose connectors and ball-shaped angle plugs, the brake hose connectors and the ball-shaped angle plugs are arranged at two ends of the main air duct, and the ball-shaped angle plugs are located behind the brake hose connectors along the air inlet direction of the main air duct.
7. The flat car with the catenary maintenance function according to claim 6, wherein the first lever mechanism comprises a front brake lever plate, a rear brake lever plate, a first upper pull rod and a second upper pull rod, one end of the front brake lever plate is movably connected with the piston push rod of the brake cylinder through a shaft pin, the other end of the front brake lever plate is movably connected with one end of the first upper pull rod through the shaft pin, the other end of the first upper pull rod is connected with the brake shoe, one end of the rear brake lever plate is movably connected with the other end of the brake cylinder through the shaft pin, the other end of the rear brake lever plate is movably connected with one end of the second upper pull rod through the shaft pin, and the other end of the second upper pull rod is connected with the brake shoe.
8. The flat car with the catenary overhaul function of claim 7, wherein the front brake lever plate and the rear brake lever plate are symmetrically arranged along the brake cylinder, and a first connecting pull rod is movably connected to the middle parts of the front brake lever plate and the rear brake lever plate through a shaft pin.
9. The flat car with the catenary maintenance function according to claim 8, wherein the second lever mechanism comprises a brake lever, a hand brake pull rod and a second connecting pull rod, one end of the brake lever is movably connected to the main frame through a shaft pin, the other end of the brake lever is movably connected to one end of the hand brake pull rod through a shaft pin, the other end of the hand brake pull rod is connected to the driving mechanism, one end of the second connecting pull rod is movably connected to the middle of the brake lever through a shaft pin, and the other end of the second connecting pull rod is movably connected to the front brake lever plate of the first lever mechanism through a shaft pin, so that the first lever mechanism can be driven to act and the brake shoe can be driven to brake.
10. The flat car with the catenary maintenance function according to claim 9, wherein the driving mechanism is arranged at an end of the main frame, the driving mechanism comprises a support plate, a ratchet wheel, a rotating shaft and a hand wheel, the support plate is fixedly mounted on the main frame, the ratchet wheel is arranged on the support plate, the lower end of the rotating shaft is fixedly connected with the ratchet wheel, penetrates through the support plate and is rotatably connected with the support plate, the bottom of the rotating shaft is connected with the hand brake pull rod on the second lever mechanism, and the hand wheel is fixedly mounted at the top of the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220175929.8U CN217170507U (en) | 2022-01-21 | 2022-01-21 | Flatbed that possesses contact net and overhaul function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220175929.8U CN217170507U (en) | 2022-01-21 | 2022-01-21 | Flatbed that possesses contact net and overhaul function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217170507U true CN217170507U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220175929.8U Active CN217170507U (en) | 2022-01-21 | 2022-01-21 | Flatbed that possesses contact net and overhaul function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217170507U (en) |
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2022
- 2022-01-21 CN CN202220175929.8U patent/CN217170507U/en active Active
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