CN212529655U - Mining narrow gauge electric locomotive and hydraulic direct-pushing braking system - Google Patents
Mining narrow gauge electric locomotive and hydraulic direct-pushing braking system Download PDFInfo
- Publication number
- CN212529655U CN212529655U CN202020561255.6U CN202020561255U CN212529655U CN 212529655 U CN212529655 U CN 212529655U CN 202020561255 U CN202020561255 U CN 202020561255U CN 212529655 U CN212529655 U CN 212529655U
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- hydraulic
- braking
- direct
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention discloses a mining narrow gauge electric locomotive and a hydraulic direct-pushing braking system, which comprise wheels, direct-drive motors, connecting pieces, a hydraulic cylinder, a braking piece, a transmission mechanism, a hydraulic pump, a liquid storage tank and an energy accumulator, wherein the direct-drive motors are two motors which are arranged in parallel; the direct-drive motor drives the hydraulic pump to operate, pressure liquid is conveyed to the energy accumulator or the hydraulic cylinder, the hydraulic cylinder drives the hydraulic cylinder to stretch and retract by utilizing the pressure liquid conveyed by the hydraulic pump or the energy accumulator, and the braking part is directly driven to compress and brake or release braking of the wheel. The invention has the advantages of simple structure, stable braking, large braking torque, high speed, short distance and high working reliability.
Description
Technical Field
The invention relates to the technical field of mining electric locomotives, in particular to a hydraulic direct-pushing braking system for a mining narrow-gauge electric locomotive.
Background
In the mine transportation equipment, an electric locomotive is the main equipment for mine transportation in China at present and is mainly used for hauling a mine car group, transporting minerals, equipment and personnel. In the working process of the electric locomotive, the environment is complex, the running track is narrow, the space is small, so that the overall dimension of the electric locomotive is small, parts such as an electric control part, a traveling driving part, a brake braking part and a sand scattering part which are necessary for the locomotive are required to be arranged in a box body with limited space, the locomotive is crowded, the driving operation is uncomfortable, the maintenance is inconvenient, and the improvement of the brake performance of the electric locomotive are very difficult under the condition of crowding in the existing locomotive.
At present, the braking modes commonly used in mining electric locomotives are roughly divided into three types: mechanical braking, electrical braking, air braking. Although each of the three braking methods has advantages, in practical use, there are many disadvantages.
The mechanical brake is that the hand wheel rotates to drive the force-dividing arm, the connecting rod, the transmission rod, the adjusting screw and the like to transmit the brake force to the brake block, so that the brake block presses the friction wheel to achieve the brake effect. This braking mode: 1. the transmission parts are more, the structure is complex and heavy, and corresponding fault points are more; 2. the idle stroke distance is large, the hand wheel needs to rotate 2-3 circles to brake, the braking reaction is slow, the braking distance is long, and the braking efficiency is low; 3. the labor intensity of manual operation is high, the work is hard, and the braking force is too soft, so that the braking torque is small; 4. the mechanical transmission synchronism is poor, the corresponding brake blocks on the two sides need to be adjusted repeatedly, the friction is not uniform, the brake is unbalanced, the brake effect and reliability are poor, and the phenomena of friction shake, friction noise and the like can occur; 5. a braking hand wheel needs to be arranged in the cab, so that the cab space is occupied, and the driving comfort is reduced; 6. can only be used in low-speed running of the locomotive and can not meet the requirement of emergency braking of the locomotive. The mode has low reliability in actual use and has great potential safety hazard.
The electric brake is a brake that generates a braking force by electric control of the motor. The mode needs to be connected with a power supply, can only be used as normal braking during the operation of the locomotive, and needs other braking modes to be matched for use during emergency braking, otherwise, the emergency braking effect is poor, and the motor is greatly damaged; when an electric fault occurs in the running of the electric locomotive, the electric brake fails; the parking brake cannot be provided when the vehicle is parked because there is no power supply.
The air brake is that a special motor drives an air compressor to supply air to an air cylinder, and the air cylinder drives a brake block to perform friction brake with wheels. The mode has large noise, high cost, large volume and high assembly requirement; the device is easy to damage in use, needs frequent maintenance and repair, and wastes a large amount of manpower and material resources; the braking is not stable, the braking torque is not controllable, and the brake can not be normally used under ordinary conditions.
Due to the limitation of the electric locomotive in terms of space structure and electrical control, hydraulic brakes are less used in the mining electric locomotive, and the hydraulic brakes used in the existing locomotive are as follows: 1. the structure adopts a manual or pedal mode, so that the operation is labor-consuming, sufficient brake oil is not available, the braking force is small, the braking speed is low, and the structure can only be applied to electric locomotives with small tonnage, such as 2.5T and the like; 2. the hydraulic cylinder is utilized to drive the friction plate to clamp and assemble the brake disc on the wheel shaft of the locomotive, the structure only exists in the prior theoretical technology, the installation space of the brake disc and the hydraulic cylinder is narrow and small due to the limitation of the space and the position in the locomotive in actual use, and the mode is basically in an unrealizable state.
Disclosure of Invention
To the problem that exists among the prior art, this patent discloses a mining narrow gauge for motor car hydraulic pressure directly pushes away braking system, and the pneumatic cylinder is connected the braking piece and is adorned on the connecting piece that directly drives the motor, and the position is fixed between braking piece and the wheel, and it is steady to brake, and the friction laminating area is big, and braking torque is big, fast, effectual to the hydraulic power source comes from the traction motor in the motor car, simple structure, and power is stable.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that: the utility model provides a mining narrow gauge for motor vehicle hydraulic pressure direct-propelled braking system, includes wheel 1, directly drives motor 2, connecting piece 5, pneumatic cylinder 4, braking part 3, drive mechanism 9, hydraulic pump 8, liquid reserve tank 10, energy storage ware 11, its characterized in that: the direct-drive motor 2 is two motors which are arranged in parallel, the wheel 1 is assembled on two sides of an output shaft of the two direct-drive motors 2, the two direct-drive motors 2 are connected through the connecting piece 5, the hydraulic cylinder 4 is fixed on the connecting piece 5, the braking piece 3 is connected with the hydraulic cylinder 4, the hydraulic pump 8 is connected with the direct-drive motors 2 through the transmission mechanism 9, a liquid inlet of the hydraulic pump 8 is connected with the liquid storage tank 10, and a liquid outlet of the hydraulic pump 8 is connected with the energy accumulator 11 and an interface of the hydraulic cylinder 4.
The direct drive motor 2 drives the hydraulic pump 8 to operate through the transmission mechanism 9, the hydraulic pump 8 conveys liquid input from the liquid storage tank 10 to the energy accumulator 11 or the hydraulic cylinder 4, and the hydraulic cylinder 4 drives the hydraulic cylinder to perform self telescopic action by utilizing pressure liquid conveyed from the hydraulic pump 8 or the energy accumulator 11, so that the braking part 3 is directly driven to perform compression braking or brake releasing on the wheel 1.
The hydraulic direct-pushing braking system for the mining narrow-gauge electric locomotive is further characterized in that: the hydraulic pump 8 can be assembled on the connecting piece 5 or on the housing of the direct drive motor 2 or on the locomotive tank 7, the liquid storage tank 10 can be assembled on the connecting piece 5 or on the housing of the direct drive motor 2 or on the locomotive tank 7, and the energy accumulator 11 can be assembled on the connecting piece 5 or on the housing of the direct drive motor 2 or on the locomotive tank 7.
The hydraulic direct-pushing braking system for the mining narrow-gauge electric locomotive is further characterized in that: the connecting piece 5 is a fixed connecting piece 51, and after the fixed connecting piece 51 is connected with the two direct drive motors 2, the relative positions of the two direct drive motors 2 are fixed.
Or, the connecting piece 5 is a movable connecting piece 52, and after the movable connecting piece 52 is connected with the two direct drive motors 2, the relative positions of the two direct drive motors 2 can be adjusted.
The hydraulic direct-pushing braking system for the mining narrow-gauge electric locomotive is further characterized in that: the hydraulic cylinder 4 is of a pressure liquid driving structure, when liquid pressure in each cavity in the hydraulic cylinder is different, the pressure liquid drives the hydraulic cylinder to stretch and retract, the hydraulic cylinder drives the braking piece to compress and brake or release the brake to the wheel, and meanwhile liquid discharged from the hydraulic cylinder flows into the liquid storage tank to be recycled.
Or, the hydraulic cylinder 4 is of a spring release retraction structure, the spring is arranged in a rod cavity of the hydraulic cylinder, when pressure liquid is conveyed into a rodless cavity of the hydraulic cylinder, a piston rod of the hydraulic cylinder extends out, the spring in the rod cavity is compressed, and the hydraulic cylinder drives the braking part to compress and brake the wheels; when the liquid pressure in the rodless cavity of the hydraulic cylinder is unloaded, the spring compressed in the rod cavity releases the elastic force to enable the piston rod of the hydraulic cylinder to retract, the hydraulic cylinder drives the braking piece to be separated from the wheels to release braking, and meanwhile, the liquid in the hydraulic cylinder is discharged into the liquid storage tank for cyclic utilization.
Or, the hydraulic cylinder 4 is of a spring release extension structure, the spring is arranged in a rodless cavity of the hydraulic cylinder or on a piston rod outside the hydraulic cylinder, when pressure liquid is conveyed into a rod cavity of the hydraulic cylinder, the piston rod of the hydraulic cylinder retracts, the spring in the rodless cavity or the spring on a piston rod outside the cylinder body is compressed, and the hydraulic cylinder drives the braking part to be separated from the wheel to release braking; when the hydraulic pressure in the rod cavity of the hydraulic cylinder is unloaded, the spring compressed in the rodless cavity or on the piston rod outside the cylinder releases elastic force to enable the piston rod of the hydraulic cylinder to stretch out, the hydraulic cylinder drives the braking piece to compress and brake the wheel, and simultaneously liquid in the hydraulic cylinder is discharged to the liquid storage tank for cyclic utilization.
Has the advantages that:
1. the hydraulic cylinder is connected with the braking part and arranged on the connecting piece of the direct drive motor, the position between the braking part and the wheel is fixed, the braking is stable, the friction fit area is large, the braking effect is good, and the service life is long; the position deviation between the braking part and the wheel caused by the shaking of the locomotive in the running process is overcome, and the friction vibration and the friction noise between the braking part and the wheel are avoided.
2. The idle stroke distance between the braking part and the wheels in the system is small, the hydraulic braking reaction speed is high, the braking torque is large, the distance is short, the reliability is high, the emergency braking during driving can be realized, and the industrial accident rate and the potential safety hazard caused by unreliable braking are reduced.
3. The power source of the hydraulic system is a traction motor in the electric locomotive, an independent motor is not required to be additionally arranged to drive a hydraulic pump, the electric control structure is simple, and the power is stable.
4. The system directly drives the braking part to act for the hydraulic cylinder, has simple and compact structure, small volume and convenient assembly and maintenance, can save the existing mechanical hand wheel braking mechanism, and has low operation strength and high driving comfort.
5. The hydraulic cylinder in the system can realize self-balance and synchronous braking of wheel braking, the braking force is average, and the phenomenon of partial braking cannot be caused.
6. The system can keep constant liquid pressure through a hydraulic cylinder to drive a braking part to press and brake wheels all the time, so that parking braking of the locomotive is realized; the braking part can be driven by the elastic force released by the spring to press and brake the wheel all the time so as to realize parking braking when the locomotive is parked, and the safety and the reliability are high.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic direct-push brake system for a narrow-gauge electric locomotive for a mine in embodiment 1.
Fig. 2 is a schematic structural diagram of a hydraulic direct-push brake system for a narrow-gauge electric locomotive for a mine in embodiment 2.
FIG. 3 is a connection structure diagram of two direct drive motors of the present invention (wherein, the overall structure of FIG. 3.1 is fixedly connected; and the bilateral structure of FIG. 3.2 is movably connected); fig. 3.3 shows the movable connection mode of the intermediate structure.
Fig. 4 is a schematic structural diagram of the hydraulic cylinder of the present invention (wherein fig. 4.1 is a double-piston rod cylinder with a built-in spring, fig. 4.2 is a double-piston rod cylinder with an external spring, fig. 4.3 is a single-piston rod cylinder with a built-in spring, and fig. 4.4 is a single-piston rod cylinder with an external spring).
Fig. 5 is a schematic structural diagram of a mining narrow-gauge electric locomotive with a hydraulic direct-pushing braking system in embodiment 3.
Fig. 6 is a schematic structural diagram of a mining narrow-gauge electric locomotive with a hydraulic direct-pushing braking system in embodiment 4.
In the figure, 1 is a wheel; 2 is a direct drive motor; 3 is a braking part; 4 is a hydraulic cylinder; 5 is a connecting piece; 51 is a fixed connecting piece; 52 is a movable connecting piece; 6 is a bearing seat; 7 is a locomotive box body; 8 is a hydraulic pump; 9 is a transmission mechanism; 10 is a liquid storage tank; and 11 is an accumulator.
Detailed Description
The technical solution of the present invention is further described by the following embodiments with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, the hydraulic direct-pushing braking system for the mining narrow-gauge electric locomotive has a schematic structural diagram. The hydraulic direct-pushing braking system for the mining narrow gauge electric locomotive in the embodiment 1 comprises wheels 1, direct-drive motors 2, a connecting piece 5, a hydraulic cylinder 4, braking pieces 3, a transmission mechanism 9, a hydraulic pump 8, a liquid storage tank 10 and an energy accumulator 11, wherein the direct-drive motors 2 are two motors which are parallel to each other, the wheels 1 are assembled at two ends of output shafts of the two direct-drive motors 2, the two direct-drive motors 2 are connected through the connecting piece 5, the hydraulic cylinder 4 is fixed on the connecting piece 5, the braking pieces 3 are connected to the end portion of a piston rod of the hydraulic cylinder 4, the hydraulic pump 8 is connected with the output shaft of the direct-drive motor 2 through the transmission mechanism 9, the hydraulic pump 8, the liquid storage tank 10 and the energy accumulator 11 are respectively assembled on the connecting piece 5, a liquid inlet of the hydraulic.
In the embodiment 1, the direct drive motor 2 drives the hydraulic pump 8 to operate through the transmission mechanism 9, the hydraulic pump 8 conveys liquid input from the liquid storage tank 10 to the energy accumulator 11 or the hydraulic cylinder 4, and the hydraulic cylinder 4 drives the hydraulic cylinder to extend and retract by utilizing pressure liquid conveyed by the hydraulic pump 8 or the energy accumulator 11, so as to directly drive the braking part 3 to compress and brake or release the brake on the wheel 1.
Example 2:
as shown in fig. 2, the hydraulic direct-pushing braking system for the mining narrow-gauge electric locomotive has a schematic structural diagram. In the hydraulic direct-pushing braking system for the mining narrow gauge electric locomotive in the embodiment 2, the direct-drive motors 2 are two motors in parallel, the wheels 1 are assembled at two ends of output shafts of the two direct-drive motors 2, the two direct-drive motors 2 are connected through the connecting piece 5, the hydraulic cylinder 4 is fixed on the connecting piece 5, the braking piece 3 is connected to the end portion of a piston rod of the hydraulic cylinder 4, the hydraulic pump 8 is connected with the output shaft of the direct-drive motor 2 through the transmission mechanism 9, the hydraulic pump 8, the liquid storage tank 10 and the energy accumulator 11 are respectively assembled on a shell of the direct-drive motor 2, a liquid inlet of the hydraulic pump 8 is connected with the liquid storage tank 10, and a liquid.
In the embodiment 2, the direct drive motor 2 drives the hydraulic pump 8 to operate through the transmission mechanism 9, the hydraulic pump 8 conveys the liquid input from the liquid storage tank 10 to the energy accumulator 11 or the hydraulic cylinder 4, and the hydraulic cylinder 4 drives the hydraulic cylinder to extend and retract by utilizing the pressure liquid conveyed from the hydraulic pump 8 or the energy accumulator 11, so as to directly drive the braking part 3 to compress and brake or release the brake on the wheel 1.
The direct drive motor 2 of the embodiment 1 and the embodiment 2 can directly drive the wheels 1 at the two ends of the output shaft to rotate, so that the electric locomotive can walk and drive the hydraulic pump 8 to work, and continuous and stable power is provided for the hydraulic braking system.
Fig. 3 is a two direct drive motor housing connection. The two direct drive motors 2 can be fixedly connected, the two direct drive motors 2 and the fixed connecting piece 51 can be integrally processed and manufactured into an integral structure, or can be respectively processed and assembled into an integral fixed structure, that is, the relative positions of the two direct drive motors 2 connected by the fixed connecting piece 51 are fixed, for example: the connecting piece can be welded or cast on the two direct drive motor shells to be integrally processed, or the connecting piece and the direct drive motors are respectively processed and then fixed between the two direct drive motors by bolts, and as shown in figure 3.1, the connecting piece is in a fixed connection mode with an integral structure. The two direct drive motors 2 can also be movably connected, the two direct drive motors 2 and the movable connecting piece 52 are assembled together after being respectively processed, the relative position between the two direct drive motors can be adjusted, and a movable connection mode with a bilateral structure is shown in fig. 3.2; the two direct drive motors 2 can also be connected together between the two direct drive motors 2 after being respectively connected with the movable connecting piece 52, the relative position between the two direct drive motors 2 can be adjusted, and a movable connection mode of an intermediate structure is shown in fig. 3.3; the electric locomotive assembled by the movable connecting structure is more stable in steering when running at a bend. The movable connection of this embodiment may also be a single-side structure movable connection, which also belongs to the movable connection mentioned in this embodiment.
The connecting piece of the embodiment 1 and the embodiment 2 can be a steel plate piece, a square pipe, a channel steel or other profile structures.
The hydraulic cylinders in the braking systems of embodiments 1 and 2 can drive the braking members to realize the braking function by using the following methods:
The mode 2 is a spring release retraction structure, a spring is arranged in a rod cavity of a hydraulic cylinder, when pressure liquid is conveyed into a rodless cavity of the hydraulic cylinder, a piston rod of the hydraulic cylinder extends out, the spring in the rod cavity is compressed, the piston rod of the hydraulic cylinder drives a braking piece to compress and brake wheels, and the locomotive stops running; when the liquid pressure in the rodless cavity of the hydraulic cylinder is unloaded, the spring compressed in the rod cavity releases the elastic force to enable the piston rod of the hydraulic cylinder to retract, the piston rod of the hydraulic cylinder drives the braking piece to be separated from the wheel to release braking, and the locomotive can run. And simultaneously, liquid in the hydraulic cylinder is discharged to the liquid storage tank for cyclic utilization.
The mode 3 is a preferable scheme of the hydraulic cylinder of the embodiment, and as shown in fig. 4.1, the hydraulic cylinder is a double-piston-rod cylinder structure with a built-in spring; as shown in fig. 4.2, the structure of the double-piston rod cylinder with the external spring is shown; FIG. 4.3 shows a side-by-side use configuration of two single piston rod cylinders with springs built in; fig. 4.4 shows a side-by-side use structure of two single piston rod cylinders with external springs.
On the same principle, the hydraulic cylinder can be provided with a tension spring structure, the function of spring release retraction and the function of spring release extension can be realized, and a piston rod of the hydraulic cylinder can drive a braking piece to compress and brake or release braking on a wheel.
In the parking braking modes of the embodiment 1 and the embodiment 2, the braking part is driven to always press and brake the wheels by keeping constant liquid pressure through the hydraulic cylinder, so that the parking braking of the locomotive is realized; the braking part can be driven to always press and brake the wheels through the elastic force released by the spring inside or outside the hydraulic cylinder, so that the parking brake of the locomotive is realized when the locomotive is parked, and the mechanical braking mode adopting the spring release is higher in safety and reliability.
The transmission mechanism of the embodiment 1 and the embodiment 2 can adopt gear transmission, sprocket transmission, belt pulley transmission or other transmission modes, wherein the gear transmission or the sprocket transmission is the preferred scheme.
The medium used in the hydraulic systems of embodiments 1 and 2 may be hydraulic oil, or emulsion, or flowing liquid such as water.
Example 3:
as shown in fig. 5, the mining narrow-gauge electric locomotive with the hydraulic direct-pushing braking system has a schematic structural diagram. The wheel 1 is assembled on two sides of an output shaft of two direct drive motors 2, a bearing seat 6 is assembled on the output shaft of the direct drive motor 2 outside the wheel 1, the bearing seat 6 and the two direct drive motors 2 are assembled and then assembled on a locomotive box body 7, the two direct drive motors 2 are connected through a connecting piece 5, a hydraulic cylinder 4 is fixed on the connecting piece 5, a braking piece 3 is connected to the end part of a piston rod of the hydraulic cylinder 4, a hydraulic pump 8 is connected with the output shaft of the direct drive motor 2 through a transmission mechanism 9, the hydraulic pump 8, a liquid storage tank 10 and an energy accumulator 11 are assembled on the connecting piece 5, a liquid inlet of the hydraulic pump 8 is connected with the liquid storage tank 10, and a liquid outlet. The direct drive motor 2 drives the hydraulic pump 8 to operate through the transmission mechanism 9, the hydraulic pump 8 conveys liquid input from the liquid storage tank 10 to the energy accumulator 11 or the hydraulic cylinder 4, the hydraulic cylinder 4 drives the hydraulic cylinder to extend and retract by utilizing pressure liquid conveyed by the hydraulic pump 8 or the energy accumulator 11, and the braking part 3 is directly driven to compress and brake or brake the wheel 1, so that the electric locomotive stops operating or can be started to operate.
Example 4:
as shown in fig. 6, the mining narrow-gauge electric locomotive with the hydraulic direct-pushing braking system has a schematic structural diagram. The wheel 1 is assembled on two sides of an output shaft of two direct drive motors 2, a bearing seat 6 is assembled on the output shaft of the direct drive motor 2 outside the wheel 1, the bearing seat 6 and the two direct drive motors 2 are assembled and then are sleeved on a locomotive box body 7, the two direct drive motors 2 are connected through a connecting piece 5, a hydraulic cylinder 4 is fixed on the connecting piece 5, a braking piece 3 is connected to the end part of a piston rod of the hydraulic cylinder 4, a hydraulic pump 8 is connected with the output shaft of the direct drive motor 2 through a transmission mechanism 9, the hydraulic pump 8 is assembled on the connecting piece 5, a liquid storage tank 10 and an energy accumulator 11 are assembled on the locomotive box body 7, a liquid inlet of the hydraulic pump 8 is connected with the liquid storage tank 10, and. The direct drive motor 2 drives the hydraulic pump 8 to operate through the transmission mechanism 9, the hydraulic pump 8 conveys liquid input from the liquid storage tank 10 to the energy accumulator 11 or the hydraulic cylinder 4, the hydraulic cylinder 4 drives the hydraulic cylinder to extend and retract by utilizing pressure liquid conveyed by the hydraulic pump 8 or the energy accumulator 11, and the braking part 3 is directly driven to compress and brake or brake the wheel 1, so that the electric locomotive stops operating or can be started to operate.
It is particularly important to note that the hydraulic pump in the hydraulic direct thrust brake system may be assembled on the connecting piece or on the direct drive motor housing or on the locomotive case, the liquid storage tank may be assembled on the connecting piece or on the direct drive motor housing or on the locomotive case, and the energy storage tank may be assembled on the connecting piece or on the direct drive motor housing or on the locomotive case.
The above-mentioned embodiments are merely illustrative of the present invention, and not restrictive, and it should be understood that various changes and modifications in the spirit and scope of the invention may be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a mining narrow gauge for motor vehicle hydraulic pressure directly push away braking system, includes wheel (1), directly drives motor (2), connecting piece (5), pneumatic cylinder (4), braking piece (3), drive mechanism (9), hydraulic pump (8), liquid reserve tank (10), energy storage ware (11), its characterized in that: the direct drive motors (2) are two motors which are arranged in parallel, the wheels (1) are assembled on two sides of output shafts of the two direct drive motors (2), the two direct drive motors (2) are connected through the connecting piece (5), the hydraulic cylinder (4) is fixed on the connecting piece (5), the braking piece (3) is connected with the hydraulic cylinder (4), the hydraulic pump (8) is connected with the direct drive motors (2) through the transmission mechanism (9), a liquid inlet of the hydraulic pump (8) is connected with the liquid storage tank (10), and a liquid outlet of the hydraulic pump (8) is connected with interfaces of the energy accumulator (11) and the hydraulic cylinder (4);
the direct drive motor (2) drives the hydraulic pump (8) to run through the transmission mechanism (9), the hydraulic pump (8) conveys liquid input from the liquid storage tank (10) to the energy accumulator (11) or the hydraulic cylinder (4), and the hydraulic cylinder (4) directly drives the braking part (3) and the wheel (1) to compress tightly or release braking by utilizing the hydraulic pump (8) or the pressure liquid conveyed by the energy accumulator (11) to drive the hydraulic cylinder to stretch and retract.
2. The hydraulic direct-pushing brake system for the narrow-gauge electric locomotive for the mine according to claim 1, characterized in that: the locomotive energy storage device is characterized by further comprising a locomotive box body (7), the hydraulic pump (8) can be assembled on the connecting piece (5) or the shell of the direct drive motor (2) or the locomotive box body (7), the liquid storage tank (10) can be assembled on the connecting piece (5) or the shell of the direct drive motor (2) or the locomotive box body (7), and the energy accumulator (11) can be assembled on the connecting piece (5) or the shell of the direct drive motor (2) or the locomotive box body (7).
3. The hydraulic direct-pushing brake system for the narrow-gauge electric locomotive for the mine according to claim 1, characterized in that: the connecting piece (5) is a fixed connecting piece (51), and after the fixed connecting piece (51) is connected with the two direct drive motors (2), the relative positions of the two direct drive motors (2) are fixed.
4. The hydraulic direct-pushing brake system for the narrow-gauge electric locomotive for the mine according to claim 1, characterized in that: the connecting piece (5) is a movable connecting piece (52), and after the movable connecting piece (52) is connected with the two direct drive motors (2), the relative positions of the two direct drive motors (2) can be adjusted.
5. The hydraulic direct-push brake system for the narrow-gauge electric locomotive for the mine according to one of claims 1 to 4, characterized in that: the hydraulic cylinder (4) is of a pressure liquid driving structure, when liquid pressure of each cavity in the hydraulic cylinder is different, the pressure liquid drives the hydraulic cylinder to stretch and retract, the hydraulic cylinder drives the braking piece to compress and brake or release the brake to the wheel, and meanwhile, liquid discharged from the hydraulic cylinder flows into the liquid storage tank to be recycled.
6. The hydraulic direct-push brake system for the narrow-gauge electric locomotive for the mine according to one of claims 1 to 4, characterized in that: the hydraulic cylinder (4) is of a spring release retraction structure, the spring is arranged in a rod cavity of the hydraulic cylinder, when pressure liquid is conveyed into a rodless cavity of the hydraulic cylinder, a piston rod of the hydraulic cylinder extends out, the spring in the rod cavity is compressed, and the hydraulic cylinder drives the braking piece to compress and brake the wheels; when the liquid pressure in the rodless cavity of the hydraulic cylinder is unloaded, the spring compressed in the rod cavity releases the elastic force to enable the piston rod of the hydraulic cylinder to retract, the hydraulic cylinder drives the braking piece to be separated from the wheels to release braking, and meanwhile, the liquid in the hydraulic cylinder is discharged into the liquid storage tank for cyclic utilization.
7. The hydraulic direct-push brake system for the narrow-gauge electric locomotive for the mine according to one of claims 1 to 4, characterized in that: the hydraulic cylinder (4) is of a spring release extension structure, the spring is arranged in a rodless cavity of the hydraulic cylinder or on a piston rod outside the hydraulic cylinder, when pressure liquid is conveyed into a rod cavity of the hydraulic cylinder, the piston rod of the hydraulic cylinder retracts, the spring in the rodless cavity or the spring on a piston rod outside the cylinder body is compressed, and the hydraulic cylinder drives the braking part to be separated from the wheel to release braking; when the hydraulic pressure in the rod cavity of the hydraulic cylinder is unloaded, the spring compressed in the rodless cavity or on the piston rod outside the cylinder releases elastic force to enable the piston rod of the hydraulic cylinder to stretch out, the hydraulic cylinder drives the braking piece to compress and brake the wheel, and simultaneously liquid in the hydraulic cylinder is discharged to the liquid storage tank for cyclic utilization.
8. The utility model provides a mining narrow gauge electric locomotive which characterized in that: which uses the hydraulic brake system according to one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020561255.6U CN212529655U (en) | 2020-04-14 | 2020-04-14 | Mining narrow gauge electric locomotive and hydraulic direct-pushing braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020561255.6U CN212529655U (en) | 2020-04-14 | 2020-04-14 | Mining narrow gauge electric locomotive and hydraulic direct-pushing braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212529655U true CN212529655U (en) | 2021-02-12 |
Family
ID=74518873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020561255.6U Active CN212529655U (en) | 2020-04-14 | 2020-04-14 | Mining narrow gauge electric locomotive and hydraulic direct-pushing braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212529655U (en) |
-
2020
- 2020-04-14 CN CN202020561255.6U patent/CN212529655U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115899207B (en) | Hydraulic traction tooth driving device and speed-variable speed-limiting control system thereof | |
| CN212529652U (en) | Coal mine explosion-proof storage battery electric locomotive and walking device with hydraulic braking mechanism | |
| CN212529655U (en) | Mining narrow gauge electric locomotive and hydraulic direct-pushing braking system | |
| CN102582759A (en) | Linkage brake valve and motorcycle provided with the same | |
| CN212529654U (en) | Mining narrow gauge electric locomotive and hydraulic direct-pushing braking system | |
| CN212796890U (en) | Mining narrow-gauge electric locomotive and running gear with hydraulic braking system | |
| CN211995596U (en) | Running gear with hydraulic direct-pushing brake mechanism for coal mine explosion-proof storage battery electric locomotive | |
| CN202863429U (en) | Hydrodynamic retarder | |
| CN211995597U (en) | Running gear with hydraulic direct-pushing brake mechanism for coal mine explosion-proof storage battery electric locomotive | |
| CN212605159U (en) | Mining narrow-gauge electric locomotive and running gear with hydraulic braking mechanism | |
| CN109677428B (en) | Tunnel engineering heavy-duty train and electric braking and air braking method thereof | |
| CN211995595U (en) | Hydraulic direct-pushing brake device for coal mine explosion-proof storage battery electric locomotive | |
| CN212529651U (en) | Coal mine explosion-proof storage battery electric locomotive and walking device with hydraulic braking mechanism | |
| CN211995594U (en) | Hydraulic braking device for mining narrow-gauge electric locomotive | |
| CN113200060B (en) | Mountain region heavy load monorail formula transport vechicle for overhead transmission line construction | |
| CN114212680A (en) | Distributed driving assembly system of permanent magnet monorail crane | |
| CN211995550U (en) | Running gear with brake mechanism for mining narrow gauge electric locomotive | |
| CN212555715U (en) | Hydraulic wheel-side drive axle and single-side wheel type hydraulic independent suspension | |
| CN213059900U (en) | Electrically driven single-rail traction locomotive | |
| CN201136518Y (en) | Auxiliary braking device for haulage motor of industrial and mineral | |
| CN212529653U (en) | Braking mechanism for mining narrow-gauge electric locomotive | |
| CN215204858U (en) | Driving part of rack rail clamping locomotive of mining explosion-proof diesel engine | |
| CN203078303U (en) | Driving system of electric trackless rubber tire vehicle for mining | |
| CN201405861Y (en) | Double-brake storage battery industrial and mining electric locomotive | |
| CN201872742U (en) | Hydraulic auxiliary decelerating brake device for vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |