CN213168095U - Multifunctional rail transit brake system - Google Patents
Multifunctional rail transit brake system Download PDFInfo
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- CN213168095U CN213168095U CN202021041753.4U CN202021041753U CN213168095U CN 213168095 U CN213168095 U CN 213168095U CN 202021041753 U CN202021041753 U CN 202021041753U CN 213168095 U CN213168095 U CN 213168095U
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Abstract
A multifunctional rail transit brake system belongs to the field of rail transit. And starting the brake system, controlling the oil pressure of the hydraulic cylinder to increase by the controller to push the telescopic shaft of the hydraulic cylinder, and realizing brake parking by the brake pad and the rail reaching a certain pressure and generating friction under the action of the oil pressure. When the sensor detects that the brake pad and the rail reach a certain pressure, the sensor feeds back information to the controller, and the controller controls the oil pressure of the hydraulic cylinder to keep unchanged. The brake pad automatically resets after the brake system is turned off. The clamping rail wheels on the two sides of the hybrid power ladder car are in close contact with the rails, and rotate automatically along with the running of the hybrid power ladder car, so that the friction between the hybrid power ladder car and the rails is reduced while the hybrid power ladder car can resist lateral movement and overturning. In addition, the wheel rim of the hybrid ladder vehicle also has the function of preventing the hybrid ladder vehicle from side shifting and overturning to a certain extent.
Description
Technical Field
The utility model relates to a multi-functional rail transit brake braking system has functions such as brake braking and system prevent toppling, is applicable to various rail vehicle's brake braking system, belongs to the rail transit field.
Background
At present, the brake device of the domestic and foreign rail vehicles mainly adopts brake pads arranged on wheels at two sides of the vehicle to brake, and is used for controlling the running speed of the vehicle and braking according to needs during running.
The working principle of the traditional braking system for rail transit is that positive pressure is applied in the vertical direction of wheels, the friction force between a brake pad and the wheels is controlled, the kinetic energy of a vehicle is consumed to control the running speed of the vehicle, and emergency braking and braking are realized. Such braking system often is comparatively serious to the wearing and tearing of wheel rim plate, and also can produce the heat with rail vehicle's rim plate friction, influences the life of wheel. In addition, as the brake pad is worn and becomes thinner, the braking effect of the brake device is also obviously reduced, the brake pad needs to be replaced in a short time, and the utilization efficiency of the brake pad is also lower.
The prevention of derailment of a vehicle and the scientific and accurate braking in the running process of the rail vehicle are necessary problems to be solved urgently in research and engineering application of learners, and the conventional rail vehicle usually adopts a raised wheel rim and realizes the prevention of derailment of the vehicle by means of the transverse interaction between the rim and a rail. Although the method achieves better effect, theories and measures of the method need to be innovated, and development of a novel track braking device has great theoretical significance and application value for safe operation of a track vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multi-functional rail transit brake braking system and method has overcome difficult point problems such as brake braking system defect and antidumping control technique that present rail transit class arresting gear exists to use the application of this device in the hybrid power ladder car of track inspection as the example and introduce the utility model discloses a utility model relates to a content and application method.
The utility model discloses mainly include the triplex: an anti-overturning system, a rail transit system and a brake system.
The concrete components comprise:
the anti-overturning system comprises: the device comprises a rail clamping wheel (1.1), a rail clamping wheel shaft (1.2), a connector (1.3), a bearing top sleeve (1.4) and a bolt (1.5).
The rail transit system includes: wheels (2.1), wheel rims (2.2), axles (2.3) and rails (2.4).
The brake braking system includes: the hydraulic cylinder fixing device comprises a hydraulic cylinder fixing device (3.1), a connecting shaft (3.2), a hydraulic cylinder (3.3), a hydraulic cylinder telescopic shaft (3.4), a brake block (3.5), a sensor (3.6), a wire or wireless remote controller (3.7) and a controller (3.8).
The connector (1.3) comprises: spring (1.3.1), connecting rod (1.3.2).
The hydraulic cylinder telescopic shaft (3.4) comprises: telescopic shaft (3.4.1), inner card (3.4.2), adjusting nut (3.4.3).
The anti-overturning system and the brake system are arranged at a reasonable position of the axle by adopting a proper bolt, the anti-overturning system can realize automatic work, and the brake system completes brake work under the control of an operator. The anti-overturning system and the brake system are specifically composed as follows:
anti-overturning system: the anti-overturning system is mainly used for enhancing the lateral contact of the hybrid power ladder car and a rail (2.4) in the whole braking and braking device and preventing the flange (2.2) from providing insufficient transverse restraint to generate outward lateral slip and overturning; the rail clamping wheel (1.1) is arranged on the hybrid power ladder car and is arranged on the outer side of the rail (2.4), and the rail clamping wheel (1.1) is tightly contacted with the upper side surface of the groove on the outer side of the rail (2.4) and can freely rotate along with the running of the hybrid power ladder car; the connector (1.3) comprises a spring (1.3.1) and a connecting thick iron sheet (1.3.2), wherein a vertical groove is formed in the length direction of the connecting thick iron sheet (1.3.2), two ends of the vertical groove are of a semi-cylindrical structure, the spring (1.3.1) is arranged in the vertical groove of the connecting thick iron sheet (1.3.2) along the vertical direction, and the spring (1.3.1) can freely stretch in the vertical groove along the vertical direction and cannot be separated from the elongated hole; the scheme that the rail clamping wheel (1.1) is arranged on the hybrid power ladder vehicle is as follows: the rail clamping wheel (1.1) is coaxially and fixedly connected with one end of a rail clamping wheel shaft (1.2), the other end of the rail clamping wheel shaft (1.2) is arranged at the bottom end of a groove of a vertical groove of a connecting thick iron sheet (1.3.2) and is fixedly connected with one end of a spring (1.3.1), the other end of the rail clamping wheel shaft (1.2) can freely vibrate in the vertical direction in the vertical groove of the connecting thick iron sheet (1.3.2), and the axial direction of the rail clamping wheel shaft (1.2) is the horizontal direction; the axle (2.3) penetrates through the upper end of the groove of the vertical groove of the connecting thick iron sheet (1.3.2) and is fixed with the connecting thick iron sheet (1.3.2) by a bolt (1.5); the bearing top sleeve (1.4) is arranged between the connector (1.3) and the wheel (2.1) to prevent the wheel (2.1) from directly rubbing with the connector (1.3);
the rail transit system comprises: the axle (2.3) is horizontal, the wheels (2.1) are coaxially fixed on the axle (2.3), the wheels (2.1) are supported right above the rail (2.4), one end edge of each wheel (2.1) is provided with a wheel rim (2.2), the wheel rims (2.2) are attached to the upper part of the inner side of the rail (2.4) in parallel, gaps are reserved between the wheel rims (2.2) and the bearing top sleeves (1.4), and the wheel rims (2.2) and the bearing top sleeves (1.4) are respectively located at two end parts of the wheels (2.1);
braking and braking system: the hydraulic cylinder fixer (3.1) is fixed on the axle (2.3), the hydraulic cylinder (3.3) is fixedly connected with the hydraulic cylinder fixer (3.1) through a connecting shaft (3.2), one end of a hydraulic cylinder telescopic shaft (3.4) is fixedly connected with the hydraulic cylinder (3.3), the other end of the hydraulic cylinder telescopic shaft (3.4) is fixedly connected with a brake pad (3.5), and the hydraulic cylinder telescopic shaft (3.4) is parallel to the axle (2.3) and can horizontally stretch left and right; the brake block (3.5) is horizontally corresponding to the groove on the inner side surface of the rail (2.4) and can be vertically attached and matched with the groove on the inner side surface of the rail (2.4); the hydraulic cylinder (3.3) is provided with a sensor (3.6), and the sensor (3.6) is connected with the controller (3.8) through a wire or a wireless remote controller (3.7).
Preferably, the brake block (3.5) is of a conical surface structure, and the end part is a groove with a small end face pointing to the inner side face of the rail (2.4).
The sensor is a pressure sensor.
The utility model discloses a principle is when needs the brake, starts braking system, and the oil pressure increase of controller (3.8) control pneumatic cylinder (3.3) promotes pneumatic cylinder telescopic shaft (3.4), and brake block (3.5) and rail (2.4) reach certain pressure and produce friction and realize the braking and park under the oil pressure effect. When the sensor (3.6) detects that the brake pad (3.5) and the rail (2.4) reach a certain pressure, the sensor (3.6) feeds back information to the controller (3.8), and the controller (3.8) controls the oil pressure of the hydraulic cylinder (3.3) to be kept unchanged. The brake pad automatically resets after the brake system is turned off. The clamping rail wheels (1.1) on the two sides of the hybrid power ladder car are in close contact with the rails (2.4), and the clamping rail wheels (1.1) rotate automatically along with the running of the hybrid power ladder car, so that the hybrid power ladder car can resist lateral movement and overturning and reduce friction with the rails. In addition, the wheel rim (2.2) of the hybrid power ladder vehicle has the function of preventing the hybrid power ladder vehicle from side shifting and overturning to a certain extent.
The clamping rail wheel shaft (1.2) is connected with a spring (1.3.1) in the connector (1.3) and fixed by a bolt (1.5), and the clamping rail wheel shaft (1.2) and the spring (1.3.1) cannot be separated. The rail clamping wheel (1.1) is connected to the rail clamping wheel shaft (1.2) through the bolt (1.5), the rail clamping wheel (1.1) and the rail (2.4) can be tightly attached, and the rail clamping wheel (1.1) can rotate automatically when the ladder car runs. The thick iron sheet (1.3.2) of the connector (1.3) is fixed on the axle (2.3) by the bolt (1.5), and the spring (1.3.1) which can ensure that the thick iron sheet (1.3.2) and the axle (2.3) do not move relatively and the connector (1.3) is fixed below the axle (2.3) and can not be separated from the axle (2.3). Connect thick iron sheet (1.3.2) central authorities to set up the vertical recess of placing spring (1.3.1), guarantee that spring (1.3.1) can only take place vertical flexible in the recess, reach restraint card rail shaft (1.2) can only vertically take place the purpose of the displacement in the certain extent on connector (1.3), do not take place horizontal migration and relative rotation between the two. When the transverse (longitudinal) curve of the rail (2.4) changes, the length of the spring is automatically adjusted to realize the up-and-down movement of the rail clamping wheel (1.1) so as to realize the tight contact between the rail clamping wheel (1.1) and the rail (2.4) and prevent the system from overturning.
Braking and braking system: the brake system is mainly used for braking vehicles, and is a main means for preventing dangers and realizing emergency stop of vehicles. The brake block (3.5) is a main part of brake, when the brake is needed, a brake system is started, the brake block (3.5) is in contact with the rail (2.4), and the friction between the brake block (3.5) and the rail (2.4) is utilized to achieve the brake effect of the hybrid power ladder truck. The telescopic shaft (3.4) of the hydraulic cylinder comprises a telescopic shaft (3.4.1), an inner clamping piece (3.4.2) and an adjusting nut (3.4.3), the telescopic shaft (3.4.1) directly penetrates through the center of the brake piece (3.5), the adjusting nut (3.4.3) and the inner clamping piece (3.4.2) are located on two sides of the brake piece (3.5) and used for fixing the brake piece (3.5), and the adjusting nut (3.4.3) is located at the end part of the telescopic shaft (3.4.1). The telescopic shaft (3.4.1) of the hydraulic cylinder telescopic shaft (3.4) directly controls the position of the brake pad (3.5), and the inner clamping piece (3.4.2) and the adjusting nut (3.4.3) are used for fixing the position of the brake pad (3.5). The brake block (3.5) is connected with the inner clamping piece (3.4.2) by the bolt (1.5), and the inner clamping piece (3.4.2) is rigidly connected with the telescopic shaft, so that the brake block (3.5) is ensured not to move and rotate. The adjusting nut (3.4.3) is fixed on the outer side of the brake block (3.5) to prevent the brake block (3.5) from moving outwards, so that the fixing effect of the brake block (3.5) is enhanced, and the brake block (3.5) and the hydraulic cylinder telescopic shaft (3.4) are ensured not to move and rotate relatively. The hydraulic cylinder (3.3) is used for controlling the oil pressure in the brake system, and the controller (3.8) is used for controlling the hydraulic cylinder (3.3) to reach a fixed pressure value which is set in advance. The hydraulic cylinder (3.3) is connected with the controller (3.8) through a wire (3.7), the controller (3.8) directly controls the oil pressure of the hydraulic cylinder (3.3) to increase after the brake system is started, and the brake pad (3.5) and the rail (2.4) generate friction under the action of the oil pressure to realize brake parking. A sensor (3.6) is mounted on the hydraulic cylinder (3.3) for detecting the oil pressure in the hydraulic cylinder (3.3). The sensor (3.6) is connected with the controller (3.8) through a lead (3.7), and the sensor (3.6) feeds back information to the controller (3.8) through the lead (3.7). When the sensor (3.6) detects that the pressure between the brake pad (3.5) and the rail (2.4) reaches the pressure set by the controller (3.8), the controller (3.8) controls the oil pressure in the hydraulic cylinder (3.3) not to change any more. After the brake system is closed, the controller (3.8) controls the brake pad (3.5) to automatically reset; in the normal use process, the brake pad (3.5) is worn and thinned, so that the brake effect is influenced. When the preset fixed pressure value cannot be reached, the sensor (3.6) feeds back to the controller (3.8) that the oil pressure value in the hydraulic cylinder (3.3) does not reach the pressure value set by the controller (3.8), and the controller (3.8) controls the oil pressure of the hydraulic cylinder (3.3) to continue increasing until the preset fixed pressure value is reached, so that the braking effect is ensured. In order to avoid friction between the telescopic shaft (3.4) and the rail (2.4) when the brake pad (3.5) is worn to a certain degree, the length of the telescopic shaft (3.4) is controlled within a certain range, and the telescopic shaft (3.4) cannot extend continuously and still keeps a proper distance from the rail (2.4) when the brake pad (3.5) is worn to a replacement degree. Controller (3.8) connect alarm system, and when telescopic shaft (3.4) can't be elongated, sensor (3.6) detected pneumatic cylinder (3.3) pressure not enough when feeding back controller (3.8), alarm system was initiated in controller (3.8), reminded to change brake block (3.5). When the brake block (3.5) is replaced, the hydraulic cylinder (3.3) is manually controlled, so that the telescopic shaft (3.4) is contracted to manually replace the brake block (3.5). The hydraulic cylinder (3.3) controls the telescopic shaft (3.4) of the hydraulic cylinder to control the position of the brake pad (3.5) so as to realize braking. The connecting shaft (3.2) is used for fixing the position of the hydraulic cylinder (3.3) and ensuring that the position of the hydraulic cylinder (3.3) is not changed. The hydraulic cylinder fixer (3.1), the connecting shaft (3.2) and the hydraulic cylinder (3.3) are connected by a high-strength bolt (1.5), so that the hydraulic cylinder fixer (3.1), the connecting shaft (3.2) and the hydraulic cylinder (3.3) are prevented from moving and rotating relatively. The whole braking device is fixed at a proper position on an axle (2.3) through a hydraulic cylinder fixer (3.1), so that the brake pad (3.5) and the rail (2.4) keep a certain distance in a non-working state of the system, and braking can be effectively realized in a working state. When the whole brake system works, the brake system and the axle (2.3) are ensured not to displace and rotate.
The utility model provides a arresting gear can effectively prevent the emergence risk of toppling of hybrid power ladder car in bend (curve) department, can realize braking through the friction of brake block (3.5) and rail (2.4) and park, has effectively reduced the damage that the friction of brake block (3.5) and wheel (2.1) caused wheel (2.1) simultaneously. The utility model discloses can be used to rail vehicles's such as terraced car braking brake equipment.
The present invention includes, but is not limited to, the foregoing.
Drawings
FIG. 1 is a schematic view of a brake assembly;
FIG. 2 is a schematic view of the construction of the overturn prevention system portion;
FIG. 3 is a detailed connection diagram of the connector;
FIG. 4 is a schematic illustration of the construction of the brake system components;
fig. 5 is a schematic view of the construction of the telescopic shaft of the hydraulic cylinder.
1. Anti-overturning system: 1.1, clamping rail wheels; 1.2, clamping a rail wheel shaft; 1.3, a connector; 1.4, bearing top sleeves; bolt 1.5.
2. The rail transit system comprises: 2.1, vehicle wheels; 2.2, a wheel rim; 2.3, axle; 2.4, rails.
3. Braking and braking system: 3.1, a hydraulic cylinder fixer; 3.2, connecting the shaft; 3.3, a hydraulic cylinder; 3.4, a hydraulic cylinder telescopic shaft; 3.5, brake pads; 3.6, a sensor; 3.7, conducting wires; 3.8, a controller.
Wherein:
1.3, the connector includes: 1.3.1, a spring; 1.3.2, connecting the thick iron sheets.
3.4, the hydraulic cylinder telescopic shaft includes: 3.4.1, a telescopic shaft; 3.4.2, inner card; 3.4.3, adjusting the nut.
Detailed Description
The utility model provides a novel track brake equipment and method has overcome the braking defect and the difficult problem of control that present track traffic class arresting gear exists. The utility model discloses the braking system of the instrument of track class of being applied to that can be extensive, here use the application of this device in the mixed power ladder car that track system inspection used as the example to introduce the utility model discloses a specific embodiment.
The utility model realizes braking parking by using the friction between the brake block 3.5 and the rail 2.4, and reduces the abrasion of the brake block 3.5 to the wheel 2.1; the rail clamping wheels 1.1 on the two sides of the hybrid power ladder car are used for realizing the connection of the hybrid power ladder car and the rails 2.4, so that the hybrid power ladder car is prevented from overturning or laterally moving. The specific working part comprises an anti-overturning system and a brake system. The two parts are implemented as follows:
installation of the anti-overturning system:
the utility model provides an antidumping system installs on wheel 2.1 outside axletree 2.3 of hybrid power ladder car, and the spring 1.3.1 in card rail shaft 1.2 and the connector 1.3 is connected, utilizes bolt 1.5 to fix, and card rail shaft 1.2 and spring 1.3.1 can not take place to separate, guarantees in the whole device working process that card rail shaft 1.2 and connector 1.3 do not take place relative rotation. The rail clamping wheel 1.1 is connected to a rail clamping wheel shaft 1.2 through a bolt 1.5 and can rotate automatically along with the contact between the rail clamping wheel 1.1 and a rail 2.4 when the ladder car runs. A bearing sleeve 1.4 is mounted between the connector 1.3 and the wheel 2.1 for preventing friction between the wheel 2.1 and the connector 1.3. The thick iron sheet 1.3.2 and the axle 2.3 are connected by a proper bolt 1.5, so that the thick iron sheet 1.3.2 and the axle 2.3 are ensured not to move and rotate relatively. The spring 1.3.1 of the connector 1.3 is fixed below the axle 2.3 and is inseparable from the axle 2.3. Connect thick iron sheet 1.3.2 central authorities to set up the vertical recess of laying spring 1.3.1, guarantee that spring 1.3.1 can only take place vertical flexible in the recess, restraint card rail shaft 1.2 can only vertically take place the displacement in the certain limit on connector 1.3, do not take place horizontal migration and relative rotation. When the transverse and longitudinal curves of the rail 2.4 change, the spring 1.3.1 in the connector 1.3 can vertically extend and retract, and the length of the connector can be automatically adjusted according to the change of the rail 2.4. The rail clamping wheel 1.1 is connected with a spring 1.3.1 in the connector 1.3, so that the rail clamping wheel 1.1 is ensured to be tightly connected with the rail 2.4, and the position of the rail clamping wheel 1.1 can slightly move up and down when the height of the rail 2.4 is changed.
Installation of the brake system 3:
the brake block 3.5 is connected with the inner clamping piece 3.4.2 by a proper number of bolts 1.5, the inner clamping piece 3.4.2 is rigidly connected with the telescopic shaft 3.4.1, and the brake block 3.5 and the hydraulic cylinder telescopic shaft 3.4 are ensured not to relatively move and rotate. Adjusting nut 3.4.3 is fixed in the outside of brake block 3.5, prevents that brake block 3.5 outwards takes place to remove, strengthens brake block 3.5's fixed effect, is convenient for change brake block 3.5 in addition. The telescopic shaft 3.4.1 directly controls the position of the brake pad 3.5 to realize the brake of the hybrid power ladder truck. The sensor 3.6 and the controller 3.8 are fixed on the hydraulic cylinder 3.3, the sensor 3.6 and the controller 3.8 are connected by a lead 3.7, the sensor 3.6 detects the oil pressure of the hydraulic cylinder 3.3 and feeds the oil pressure back to the controller 3.8, and the controller 3.8 controls the telescopic length of the telescopic shaft 3.4.1 by controlling the oil pressure of the hydraulic cylinder 3.3 to reach a fixed value, so that the brake effect is ensured. The connecting shaft 3.2 is connected with the hydraulic cylinder fixer 3.1 and the hydraulic cylinder 3.3 by a certain number of bolts 1.5, so that the connecting shaft 3.2, the hydraulic cylinder fixer 3.1 and the hydraulic cylinder 3.3 are ensured not to move and rotate relatively. The position of the hydraulic cylinder 3.3 is to ensure that there is a suitable distance between the brake block 3.5 and the rail 2.4, so as to avoid influencing the braking effect and the abrasion of the rail 2.4 and the brake block 3.5 under normal conditions. The brake system is fixed on the axle 2.3 by the hydraulic cylinder fixer 3.1, and the hydraulic cylinder 3.3 is ensured not to displace relative to the axle 2.3 when the brake system works.
The anti-overturning system works:
the work of the anti-overturning system does not need manual operation, and the whole device can automatically prevent risks. When the whole device is installed, bolts 1.5 with proper strength are adopted according to the size of the ladder car, so that the connection strength of the connector 1.3, the rail clamping wheel 1.1 and the axle 2.3 is ensured, and the rail clamping wheel 1.1 is in close contact with the rail 2.4. When the hybrid power ladder car runs on a curve in the running process, once the hybrid power ladder car has the tendency of lateral sliding or centrifugal movement, the rail clamping wheels 1.1 of the inner side rails automatically prevent the hybrid power ladder car from laterally sliding or overturning. In addition, a spring 1.3.1 is arranged in the connector 1.3, when the transverse and longitudinal curves of the rail 2.4 are changed, the length of the spring 1.3.1 in the connector 1.3 can be automatically adjusted to solve the problem that the rail 2.4 is uneven, and meanwhile, when an obstacle is met, the anti-overturning system also has the function of resisting the overturning of the hybrid power ladder car.
The working process of the brake system is as follows:
in the normal operation process of the hybrid power ladder vehicle, when the hybrid power ladder vehicle runs and needs to be decelerated or stopped, the brake system 3 is controlled by the control switch, when the switch is turned on, the controller 3.8 controls the oil pressure value in the hydraulic cylinder 3.3 to be increased, the telescopic shaft 3.4 of the hydraulic cylinder is pushed to extend out, the friction between the brake pad 3.5 and the rail 2.4 is realized, and the purpose of braking is achieved. The sensor 3.6 detects whether the pressure of the hydraulic cylinder 3.3 reaches a fixed value set by the controller 3.8, the detected data is fed back to the controller 3.8 through the lead 3.7, the controller 3.8 further adjusts the pressure of the hydraulic cylinder 3.3, the pressure between the brake pad 3.5 and the rail 2.4 is ensured to reach the set value of the controller 3.8, and the effect of braking is achieved. For the problem that the brake effect of the brake system 3 is affected due to the fact that the brake pad 3.5 is worn and thinned for a long time in the long-term use process, the controller 3.8 controls the oil pressure of the hydraulic cylinder 3.3 to reach the set value of the controller 3.8, and the good brake effect is still achieved. The telescopic shaft 3.4 has a proper length, and when the brake pad 3.5 is worn to a certain degree, the telescopic shaft 3.4 cannot extend continuously and still keeps a proper distance from the rail 2.4. At the moment, the sensor 3.6 detects that the oil pressure of the hydraulic cylinder 3.3 is insufficient and feeds back the oil pressure to the controller 3.8, and the controller 3.8 triggers an alarm system to remind the brake pad 3.5 to be replaced. When the brake pad 3.5 is replaced, the hydraulic cylinder 3.3 is manually controlled, so that the telescopic shaft 3.4 is contracted to manually replace the brake pad 3.5.
When the braking brake system 3 is installed, a proper position is selected on the axle 2.3 to fix the axle, the telescopic shaft 3.4 is guaranteed to have a length range, a good braking effect can be achieved, and when the brake pad 3.5 is worn to the replacement degree, the end part of the telescopic shaft 3.4 still keeps a proper distance from the rail 2.4. The telescopic shaft 3.4 has fixed length, when the brake block 3.5 is worn to a certain degree, because the telescopic shaft 3.4 can not continue to extend, the pressure between the brake block 3.5 and the rail 2.4 can not reach the set value of the controller 3.8, at the moment, the sensor 3.6 detects that the oil pressure of the hydraulic cylinder 3.3 is insufficient and feeds back the oil pressure to the controller 3.8, and the controller 3.8 triggers an alarm system to remind the brake block 3.5 to be replaced. When the brake pad 3.5 is replaced, the hydraulic cylinder 3.3 is manually controlled, so that the telescopic shaft 3.4 is contracted to manually replace the brake pad 3.5.
The hydraulic cylinder telescopic shaft comprises: telescopic shaft, interior card, adjusting nut.
The utility model discloses a brake braking device adopts a brand-new brake braking device and braking method, can not only be used for multiple rail train's braking brake, can accomplish the effectual effect that prevents the train side direction and slide and topple moreover. Practice shows in trying out that this device can realize the effective braking of train, prevents that the train from taking place the risk that sideshift and overturn.
Claims (6)
1. A multifunctional rail transit brake system is characterized by mainly comprising three parts: an anti-overturning system, a rail transit system and a brake system;
the anti-overturning system comprises: the device comprises a rail clamping wheel (1.1), a rail clamping wheel shaft (1.2), a connector (1.3), a bearing top sleeve (1.4) and a bolt (1.5);
the rail transit system includes: wheels (2.1), wheel rims (2.2), axles (2.3) and rails (2.4);
the brake braking system includes: the device comprises a hydraulic cylinder fixer (3.1), a connecting shaft (3.2), a hydraulic cylinder (3.3), a hydraulic cylinder telescopic shaft (3.4), a brake pad (3.5), a sensor (3.6), a lead or wireless remote controller (3.7) and a controller (3.8);
the connector (1.3) comprises: a spring (1.3.1) and a connecting thick iron sheet (1.3.2);
anti-overturning system: the anti-overturning system is mainly used for enhancing the lateral contact of the hybrid power ladder car and a rail (2.4) in the whole braking and braking device and preventing the flange (2.2) from providing insufficient transverse restraint to generate outward lateral slip and overturning; the rail clamping wheel (1.1) is arranged on the hybrid power ladder car and is arranged on the outer side of the rail (2.4), and the rail clamping wheel (1.1) is tightly contacted with the upper side surface of the groove on the outer side of the rail (2.4) and can freely rotate along with the running of the hybrid power ladder car; the connector (1.3) comprises a spring (1.3.1) and a connecting thick iron sheet (1.3.2), wherein a vertical groove is formed in the length direction of the connecting thick iron sheet (1.3.2), two ends of the vertical groove are of a semi-cylindrical structure, the spring (1.3.1) is arranged in the vertical groove of the connecting thick iron sheet (1.3.2) along the vertical direction, and the spring (1.3.1) can freely stretch in the vertical groove along the vertical direction and cannot be separated from the elongated hole; the scheme that the rail clamping wheel (1.1) is arranged on the hybrid power ladder vehicle is as follows: the rail clamping wheel (1.1) is coaxially and fixedly connected with one end of a rail clamping wheel shaft (1.2), the other end of the rail clamping wheel shaft (1.2) is arranged at the bottom end of a groove of a vertical groove of a connecting thick iron sheet (1.3.2) and is fixedly connected with one end of a spring (1.3.1), the other end of the rail clamping wheel shaft (1.2) can freely vibrate in the vertical direction in the vertical groove of the connecting thick iron sheet (1.3.2), and the axial direction of the rail clamping wheel shaft (1.2) is the horizontal direction; the axle (2.3) penetrates through the upper end of the groove of the vertical groove of the connecting thick iron sheet (1.3.2) and is fixed with the connecting thick iron sheet (1.3.2) by a bolt (1.5); the bearing top sleeve (1.4) is arranged between the connector (1.3) and the wheel (2.1) to prevent the wheel (2.1) and the connector (1.3) from directly rubbing;
the rail transit system comprises: the axle (2.3) is horizontal, the wheels (2.1) are coaxially fixed on the axle (2.3), the wheels (2.1) are supported right above the rail (2.4), one end edge of each wheel (2.1) is provided with a wheel rim (2.2), the wheel rims (2.2) are attached to the upper part of the inner side of the rail (2.4) in parallel, gaps are reserved between the wheel rims (2.2) and the bearing top sleeves (1.4), and the wheel rims (2.2) and the bearing top sleeves (1.4) are respectively located at two end parts of the wheels (2.1);
braking and braking system: the hydraulic cylinder fixer (3.1) is fixed on the axle (2.3), the hydraulic cylinder (3.3) is fixedly connected with the hydraulic cylinder fixer (3.1) through a connecting shaft (3.2), one end of a hydraulic cylinder telescopic shaft (3.4) is fixedly connected with the hydraulic cylinder (3.3), the other end of the hydraulic cylinder telescopic shaft (3.4) is fixedly connected with a brake pad (3.5), and the hydraulic cylinder telescopic shaft (3.4) is parallel to the axle (2.3) and can horizontally stretch left and right; the brake block (3.5) is horizontally corresponding to the groove on the inner side surface of the rail (2.4) and can be vertically attached and matched with the groove on the inner side surface of the rail (2.4); the hydraulic cylinder (3.3) is provided with a sensor (3.6), and the sensor (3.6) is connected with the controller (3.8) through a wire or a wireless remote controller (3.7).
2. A multifunctional rail traffic brake system according to claim 1, characterized in that the side of the brake block (3.5) is of a conical structure, and the end part is a groove with a small end face pointing to the inner side of the rail (2.4).
3. The multifunctional rail transit brake system of claim 1, wherein the sensor is a pressure sensor.
4. A multifunctional rail traffic brake system according to claim 1, characterized in that the telescopic shaft (3.4) of the hydraulic cylinder comprises a telescopic shaft (3.4.1), an inner clamping piece (3.4.2) and an adjusting nut (3.4.3), the telescopic shaft (3.4.1) directly passes through the center of the brake piece (3.5), the adjusting nut (3.4.3) and the inner clamping piece (3.4.2) are positioned at two sides of the brake piece (3.5) for fixing the brake piece (3.5), and the adjusting nut (3.4.3) is positioned at the end of the telescopic shaft (3.4.1).
5. A multifunctional rail transit brake system as claimed in claim 4, characterized in that the telescopic shaft (3.4.1) of the hydraulic cylinder telescopic shaft (3.4) directly controls the position of the brake pad (3.5), the inner clamping piece (3.4.2) and the adjusting nut (3.4.3) are used for fixing the position of the brake pad (3.5); the brake block (3.5) is connected with the inner clamping piece (3.4.2) by a bolt (1.5), and the inner clamping piece (3.4.2) is rigidly connected with the telescopic shaft, so that the brake block (3.5) is ensured not to move and rotate; the adjusting nut (3.4.3) is fixed on the outer side of the brake block (3.5) to prevent the brake block (3.5) from moving outwards, so that the fixing effect of the brake block (3.5) is enhanced, and the brake block (3.5) and the hydraulic cylinder telescopic shaft (3.4) are ensured not to move and rotate relatively.
6. The multifunctional rail transit brake system as claimed in claim 1, wherein the rail clamping wheel shaft (1.2) is connected with the spring (1.3.1) in the connector (1.3) and fixed by the bolt (1.5), and the rail clamping wheel shaft (1.2) and the spring (1.3.1) cannot be separated; the rail clamping wheel (1.1) is connected to a rail clamping wheel shaft (1.2) through a bolt (1.5), and meanwhile, the rail clamping wheel (1.1) and a rail (2.4) can be tightly attached, and the rail clamping wheel (1.1) can rotate automatically when the ladder car runs; the thick iron sheet (1.3.2) of the connector (1.3) is fixed on the axle (2.3) by using the bolt (1.5), so that the spring (1.3.1) which does not move relatively between the thick iron sheet (1.3.2) and the axle (2.3) and rotates the connector (1.3) is fixed below the axle (2.3) and can not be separated from the axle (2.3); a vertical groove for placing the spring (1.3.1) is formed in the center of the thick iron sheet (1.3.2), so that the spring (1.3.1) can only vertically stretch in the groove, the aim of restraining the rail clamping wheel shaft (1.2) from only vertically displacing in a certain range on the connector (1.3) is fulfilled, and horizontal movement and relative rotation are avoided between the rail clamping wheel shaft and the connector; when the rail (2.4) has a change of a transverse (longitudinal) curve, the length of the spring is automatically adjusted to realize the up-and-down movement of the rail clamping wheel (1.1) so as to realize the tight contact between the rail clamping wheel (1.1) and the rail (2.4) and prevent the system from overturning;
braking and braking system: the brake system is mainly used for braking a vehicle; the brake block (3.5) is a main part for braking, when the brake is needed, a brake system is started, the brake block (3.5) is in contact with the rail (2.4), and the friction between the brake block (3.5) and the rail (2.4) is utilized to achieve the braking effect of the hybrid power ladder truck; the hydraulic cylinder (3.3) is used for controlling the oil pressure in the brake system, and the controller (3.8) is used for controlling the hydraulic cylinder (3.3) to reach a preset fixed pressure value; the hydraulic cylinder (3.3) is connected with the controller (3.8) through a wire (3.7), the controller (3.8) directly controls the oil pressure of the hydraulic cylinder (3.3) to increase after the brake system is started, and the brake pad (3.5) and the rail (2.4) generate friction under the action of the oil pressure to realize brake parking; the sensor (3.6) is arranged on the hydraulic cylinder (3.3) and used for detecting the oil pressure in the hydraulic cylinder (3.3); the sensor (3.6) is connected with the controller (3.8) through a lead (3.7), and the sensor (3.6) feeds back information to the controller (3.8) through the lead (3.7); when the sensor (3.6) detects that the pressure between the brake pad (3.5) and the rail (2.4) reaches the pressure set by the controller (3.8), the controller (3.8) controls the oil pressure in the hydraulic cylinder (3.3) not to change any more; after the brake system is closed, the controller (3.8) controls the brake pad (3.5) to automatically reset; in the normal use process, the brake pad (3.5) is worn and thinned to influence the brake effect; when the preset fixed pressure value cannot be reached, the sensor (3.6) feeds back to the controller (3.8) that the oil pressure value in the hydraulic cylinder (3.3) does not reach the pressure value set by the controller (3.8), and the controller (3.8) controls the oil pressure of the hydraulic cylinder (3.3) to continue increasing until the preset fixed pressure value is reached, so that the braking effect is ensured; in order to avoid friction between the telescopic shaft (3.4) and the rail (2.4) when the brake pad (3.5) is worn to a certain degree, the length of the telescopic shaft (3.4) is controlled within a certain range, and the telescopic shaft (3.4) cannot extend continuously and still keeps a proper distance from the rail (2.4) when the brake pad (3.5) is worn to a replacement degree; the controller (3.8) is connected with an alarm system, when the telescopic shaft (3.4) cannot be extended, the sensor (3.6) detects that the pressure of the hydraulic cylinder (3.3) is insufficient and feeds back the pressure to the controller (3.8), and the controller (3.8) triggers the alarm system to remind of replacing the brake pad (3.5); when the brake pad (3.5) is replaced, the hydraulic cylinder (3.3) is manually controlled, so that the telescopic shaft (3.4) is contracted to manually replace the brake pad (3.5); the hydraulic cylinder (3.3) controls the telescopic shaft (3.4) of the hydraulic cylinder to control the position of the brake pad (3.5) so as to realize braking; the connecting shaft (3.2) is used for fixing the position of the hydraulic cylinder (3.3) and ensuring that the position of the hydraulic cylinder (3.3) is not changed; the hydraulic cylinder fixer (3.1), the connecting shaft (3.2) and the hydraulic cylinder (3.3) are connected by a high-strength bolt (1.5), so that the hydraulic cylinder fixer (3.1), the connecting shaft (3.2) and the hydraulic cylinder (3.3) are prevented from relatively moving and rotating; the whole braking device is fixed at a proper position on an axle (2.3) through a hydraulic cylinder fixer (3.1), so that a certain distance is kept between a brake pad (3.5) and a rail (2.4) when the system is in a non-working state, and braking can be effectively realized in a working state; when the whole brake system works, the brake system and the axle (2.3) are ensured not to displace and rotate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021041753.4U CN213168095U (en) | 2020-06-09 | 2020-06-09 | Multifunctional rail transit brake system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547098A (en) * | 2020-06-09 | 2020-08-18 | 中铁建电气化局集团南方工程有限公司 | Multifunctional rail transit brake system and method |
| CN114212112A (en) * | 2021-12-20 | 2022-03-22 | 方素端 | Mine loading leakage-proof device for coal mine mining vehicle |
| CN115214592A (en) * | 2022-07-13 | 2022-10-21 | 北京主导时代科技有限公司 | Rail vehicle brake detection device |
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2020
- 2020-06-09 CN CN202021041753.4U patent/CN213168095U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547098A (en) * | 2020-06-09 | 2020-08-18 | 中铁建电气化局集团南方工程有限公司 | Multifunctional rail transit brake system and method |
| CN111547098B (en) * | 2020-06-09 | 2024-03-19 | 中铁建电气化局集团南方工程有限公司 | Multifunctional rail transit brake system and method |
| CN114212112A (en) * | 2021-12-20 | 2022-03-22 | 方素端 | Mine loading leakage-proof device for coal mine mining vehicle |
| CN115214592A (en) * | 2022-07-13 | 2022-10-21 | 北京主导时代科技有限公司 | Rail vehicle brake detection device |
| CN115214592B (en) * | 2022-07-13 | 2024-05-10 | 北京主导时代科技有限公司 | Rail vehicle brake detection device |
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