521results about "Bogies" patented technology

The invention provides a flexible welding deformation control method and an obtained bogie framework, specifically, a deformation monitoring sensor used for collecting workpiece deformation and a force sensor used for collecting clamping force are installed on a workpiece clamp; the deformation monitoring sensor and the force sensor are connected with the data acquisition control module; the method comprises the following steps: pre-installing a workpiece on a clamp, and establishing a mapping relation among the workpiece, the clamp and each sensor in the clamp; according to historical welding data of the same type of structure, presetting reversible deformation parameters, collecting pre-welding reference data, verifying data of each sensor, and if reversible deformation is effective, entering a welding process monitoring state; welding machine signals and sensor data are collected in real time, the deformation state is processed and analyzed in real time, and adjustment suggestions are output; and after welding is completed, the deformation trend of the workpiece after loosening and clamping is judged in combination with sensor data, deformation data of the workpiece after loosening and clamping are collected, whether the deformation data are qualified or not is judged, and if not, adjustment and repair are conducted till the deformation data are qualified.

The bogie weighing device comprises a weighing valve and a force transmission mechanism, an air inlet of the weighing valve is communicated with an auxiliary air cylinder, an air outlet of the weighing valve is communicated with a distribution valve in a vehicle braking system, the weighing valve is fixed to a framework of a vehicle bogie, and the force transmission mechanism is connected with the framework and can rotate around a connecting point. One end of the force transmission mechanism is connected with the weighing valve, and the other end of the force transmission mechanism is connected with the hanging bracket. Stepless regulation of vehicle braking can be achieved.

The application discloses a bogie covering device, a bogie and a railway vehicle, and relates to the technical field of railway vehicles. The bogie covering device comprises a mounting cross beam, which is used for fixedly connecting to a frame body of the bogie; at least two mounting plates, which are fixedly arranged on the mounting cross beam, and at least one of the mounting plates is used for fixedly connecting to the frame body of the bogie; and at least one of the mounting plates is provided with a containing portion for containing an axle-mounted brake disc, and the bottom of the containing portion is protrusively arranged towards the outer surface of the mounting plate. The bogie covering device in the application can be applied to the bogie with a large-size axle-mounted brake disc; in the process of running, the airflow can be prevented from entering the bogie device through the avoiding holes to generate the aerodynamic resistance, most of the airflow can flow along the bottom surface of the bogie covering device from the outside of the bogie covering device, and compared with the airflow directly flowing through the complex components in the bogie covering device, the aerodynamic resistance can be effectively reduced.

A railroad car truck including one or two new side frames that each includes one or more of a plurality of different improvements that individually and in various combinations reduce, inhibit, or minimize the likelihood of stress fractures or cracks in the side frame.

A symmetrical multi-unit railroad freight car, such as a 3-pack railroad intermodal well car, has body units that are connected symmetrically. The body units have a symmetrical arrangement of end trucks and shared trucks. The end trucks are 70 Ton Trucks. The shared trucks are 125 Ton trucks. The trucks have passive steering using geometric rocker stiffnesses. The rockers in the end trucks have a smaller radius of curvature than the rockers in the shared trucks. The spring groups in the shared trucks are stiffer than the spring groups in the end trucks. The spring groups in the end trucks have a different proportion of damping when empty, a shorter live load range of travel, and greater reserve travel than the shared trucks. The end trucks and the shared trucks have four-cornered damper groups that have the same sized damper wedges. The damper wedges have non-metallic wear pads.

The bogie comprises a bearing frame and a suspension device, the bearing frame is of a hollow structure so that an installation area can be formed on the inner side of the bearing frame, and a permanent magnet installation base and a linear motor installation base are arranged in the installation area; the permanent magnet mounting seats are arranged on the two sides of the top wall of the mounting area, and permanent magnets are arranged on the permanent magnet mounting seats so as to generate magnetic levitation force with magnets in the track beam; the linear motor mounting seat is arranged at the bottom of the permanent magnet mounting seat, the linear motor mounting seat and the permanent magnet mounting seat are arranged at an interval, a linear motor is fixedly arranged on the linear motor mounting seat, and the linear motor and the permanent magnet are symmetrically arranged about the symmetric line of the mounting area; and the suspension device is rotationally arranged at the bottom of the bearing frame. The mounting area is arranged in the bearing frame to mount the permanent magnet and the linear motor, so that the distance between the permanent magnet and the linear motor is reduced, the magnetic levitation force variation of the position of the permanent magnet during driving is reduced, the inclination angle of the bogie is reduced, and the running stability of a vehicle is improved.

The utility model discloses a suspension type maglev vehicle and a suspension framework thereof, and relates to the technical field of rail transit, the suspension framework of the suspension type maglev vehicle comprises a first longitudinal beam and a second longitudinal beam, the second longitudinal beam is located below the first longitudinal beam, and the two ends of the first longitudinal beam are connected with the two ends of the second longitudinal beam; the middle part of the first longitudinal beam is connected with the middle part of the second longitudinal beam, the first longitudinal beam and the second longitudinal beam are integrally shaped like a Chinese character'ri ', the first longitudinal beam and the second longitudinal beam are provided with mounting structures, and the mounting structures are used for connecting components of the electromagnetic suspension walking part. According to the suspension type maglev vehicle suspension framework, through the adoption of the suspension framework with the structural design shaped like the Chinese character'ri ', a plurality of components of an electromagnetic suspension walking part are effectively and reasonably integrated in a limited space, meanwhile, the bearing capacity and stability of the framework are guaranteed, and the problems that in the prior art, a framework structure is not compact enough, and the occupied space is large are solved; and the overall performance and the operation efficiency of the vehicle are improved.

An adjustable roller assembly for a linear rail system carriage has an indexing collar, an eccentric bushing, an adjustable roller, a suspension element, and an adjustment collar. The indexing collar has a first indexing structure. The adjustable roller is rollably mounted to a roller side end of the eccentric bushing. A rolling axis of the adjustable roller is offset from the axis of the adjustable roller assembly. The suspension element is mounted in axial alignment with an adjustment side end of the eccentric bushing. The adjustment collar has a circumferential flange having a second indexing structure. The first indexing structure and the second indexing structure are coupled to rotationally couple the adjustment collar with the suspension element.

The application discloses a bogie covering device and a railway vehicle, and relates to the technical field of railway vehicles.The bogie covering device comprises a bottom plate arranged below a bogie and between two wheels arranged adjacent to each other along the width direction of the vehicle; two side plates arranged on the two sides of the bottom plate along the width direction of the bogie, and the side plates are provided with avoiding holes for the wheels to extend out; and the side plates are connected to a vehicle body and are in contact with or connected to the bottom plate.In the process of using the bogie covering device provided by the specific embodiment, when the vehicle is running, the bottom plate and the two side plates cover all parts of the bogie except the wheels, so that the airflow can be prevented from entering the interior of the bogie to generate resistance, the resistance generated by the bogie part during the running of the vehicle is effectively reduced, and the energy consumption is reduced.

Provided are a bogie and a vehicle, relating to the field of bogie structures. The bogie comprises: a framework; a suspension apparatus connected to the framework, wherein the suspension apparatus comprises primary suspension members (31) and secondary suspension members (32), and the secondary suspension members (32) are formed as air springs; and an anti-rolling device, comprising a bolster anchor (51) and a torsion bar (52), wherein the bolster anchor (51) is arranged above the secondary suspension members (32); and end portions of the torsion rod (52) are rotatably connected to the framework by means of links, and a side portion of the torsion rod (52) is rotatably connected to the bolster anchor (51). The air springs can provide the most suitable stiffness characteristics for a vehicle, so as to ensure that the vehicle has high comfort in the operation process; in addition, the air springs can also automatically inflate or deflate on the basis of changes in passenger load, so as to ensure that the floor surface of the vehicle is kept unchanged within a fixed height range, thereby facilitating passengers' boarding and alighting at the platform, and improving the passenger experience during travel.

To provide a thin structural member which contributes to the improvement of assemblability of a vehicle body, is light-weight and has high rigidity, and a railroad vehicle that forms a floor surface with an underframe structure with such a structural member.SOLUTION: A body bolster of a railroad vehicle includes: a plurality of radial ribs arranged radially from the center of a vertical load input unit and having a shape of a protrusion on the surface of a flat plate arranged horizontally with a curvature provided in the longitudinal or width direction of a vehicle more gently as it moves away from the center of the vertical load input unit; and a circular rib arranged intermittently around a vertical load input seating surface so as to overlap the plurality of radial ribs.SELECTED DRAWING: Figure 4

The invention relates to a rail vehicle, for which a direction of travel is specified and which has a leading bogie at a front of the rail vehicle with respect to the direction of travel and a trailing bogie at the end of the rail vehicle which is directed counter to the direction of travel. The leading bogie and the trailing bogie are each equipped with an anti-roll stabilizer. The roll stiffnesses of the anti-roll stabilizers of the leading bogie and of the trailing bogie are selected to be different such that, when side wind acts on the rail vehicle, unequal wheel unloading at the leading and trailing bogies is counteracted.

To provide a bogie frame component for a railway vehicle that can reduce an amount of welding on a side beam.SOLUTION: A component of a bogie frame (10) for a railway vehicle includes a side beam (11). The side beam (11) includes two side plates (111b) and a top plate (111a). The side plates (111b) face each other. The top plate (111a) connects the side plates (111b) to each other at one end in a height direction of the side plates (111b). The side beam (11) is open on the opposite side in the height direction from the top plate (111a).SELECTED DRAWING: Figure 2

The invention relates to the technical field of locomotive maintenance, and discloses a locomotive shock absorber cleaning device and a locomotive shock absorber cleaning method.The connecting structure of the locomotive shock absorber cleaning device is used for being arranged on an oil cylinder body of a locomotive shock absorber in a sleeving mode and detachably connected with the oil cylinder body; linear driving parts of the air blowing structure, the air suction structure and the sweeping structure are fixedly connected to the periphery of the connecting structure; the output end of the air blowing pump is communicated with the input end of the air blowing pipe; the input end of the getter pump is communicated with the gas output end of the dust collection box; the input end of the dust collection box is communicated with the output end of the air suction pipe; the sweeping part is in transmission connection with the output end of the linear driving part, the linear driving part can drive the sweeping part to reciprocate in the fixed direction, the periphery of the oil cylinder body can be sleeved with the sweeping part, and the air suction pipe and the air blowing pipe are both distributed on the periphery of the sweeping part. According to the dust-proof device, scraps in a gap between the oil cylinder body and the dust-proof cover and in a gap between the dust-proof cover and the dust-proof sleeve can be quickly and efficiently cleaned, and secondary pollution and / or damage to the locomotive shock absorber are / is avoided.

The utility model discloses a three-axle bogie of a new energy rail traction locomotive, which relates to the technical field of three-axle bogies, and comprises a framework, a connecting mechanism, a sand mechanism, a buffer mechanism, a traction frame, a pull arm mechanism and a driving mechanism, the connecting mechanism is arranged at the top of the framework, the sand mechanism is arranged at the corner of the framework, and the buffer mechanism is arranged at the bottom of the framework. The multiple buffering mechanisms are installed on the two sides of the framework respectively, the traction frame is installed at the ends of the buffering mechanisms, the arm pulling mechanism is installed on the framework, and the multiple driving mechanisms are installed below the framework at equal intervals. Through the arrangement mode that the sand mechanism, the buffering mechanism, the traction frame, the pull arm mechanism and the driving mechanism are matched, the power bogie of the new energy rail traction locomotive is more compact in structure, smaller in power loss and higher in efficiency, large-torque operation can be provided for the locomotive, electric energy is saved, and cost is reduced; the use stability of the bogie is improved.

A transfer device for a rail vehicle including a car body including an electronics device, and a bogie, the transfer device comprising: a coupling unit arrangeable at the bogie and including a plurality of sensor interfaces, wherein each of the sensor interfaces is electrically connectable with a respective sensor configured to capture an operating variable of the bogie, and including an additional interface connectable with the electronics device, wherein the coupling unit is configured to transfer operating variables of the sensors received through the sensor interfaces, and wherein a transfer of the operating variables is performed through the additional interface to the electronics device using a multiplexing method.

The utility model provides a bogie structure and a sky rail system suitable for severe environments, the bogie structure comprises a bogie, the lower end of the bogie is used for being hinged with a vehicle body, the bogie is provided with a side rolling stopper, the side rolling stopper is used for limiting and buffering the side rolling angle of the vehicle body, and a motor frame is arranged above the bogie. The motor frame is vertically and movably connected with the bogie, an elastic vertical stopper is arranged between the bogie and the motor frame, the acting force of the vehicle body on the side rolling stopper is transmitted to the motor frame through the vertical stopper, positioning wheels are arranged at the two ends of the motor frame, the positioning wheels are used for abutting against a track beam, and the positioning wheels are used for transmitting the acting force on the motor frame to the track beam. The side rolling motion of a vehicle body is released, the side wind moment is balanced through the gravitational moment of the vehicle, the wheel load shedding rate of the bogie is reduced, meanwhile, the side rolling backstops, the vertical backstops and the positioning wheels are arranged, the side rolling angle is limited, the bogie can be prevented from overturning, and the structural reliability is guaranteed.

A roller bearing adapter pad system configured for use with a three-piece bogie, the roller bearing adapter pad system including a roller bearing adapter (599), an adapter pad. A roller bearing adapter configured to engage a roller bearing, the roller bearing adapter comprising: a coronal top surface (506); a bottom surface configured to engage the roller bearing; a first vertical shoulder and a second vertical shoulder (506) projecting upwardly from opposite lateral edges of the coronal top surface, each vertical shoulder having a lifting lug (600); a first longitudinal stop and a second longitudinal stop (504), the first longitudinal stop and the second longitudinal stop protruding upwardly from opposite longitudinal edges of the top surface; wherein the roller bearing adapter is symmetrical about the transverse center line and symmetrical about the longitudinal center line; and wherein the lift lug does not project laterally outward beyond the outer edge of each vertical shoulder. An adapter pad engaged with a roller bearing adapter and configured to engage with a side frame axle box cap, the adapter pad comprising: a continuous top plate having a central portion; first and second upwardly folded regions protruding upwardly from opposite edges of the central portion; a first transverse flange protruding outwardly from the first upwardly folded region, the first transverse flange having a first transverse edge; and a second transverse flange protruding outwardly from the second upwardly folded region, the second transverse flange having a second transverse edge, the continuous roof having a first longitudinal edge and a second longitudinal edge; a continuous bottom plate having a central portion; first and second upwardly folded regions protruding upwardly from opposite edges of the central portion; a first transverse flange protruding outwardly from the first upwardly folded region, the first transverse flange having a first transverse edge; and a second transverse flange protruding outwardly from the second upwardly folded region, the second transverse flange having a second transverse edge, the continuous base plate having a first longitudinal edge and a second longitudinal edge; and an elastomer member disposed between the top plate and the bottom plate; wherein the first and second laterally protruding flanges of the top plate and the first and second laterally protruding flanges of the bottom plate are disposed entirely above the vertical shoulder of the roller bearing adapter.

The invention discloses a supporting device for component dismounting and mounting and a dismounting and mounting method of a traction driving device, solves the problem of low mounting efficiency caused by simultaneous and accurate positioning and mounting of components on two sides in the prior art, and has the beneficial effect that simultaneous and high-precision mounting of the components on the two sides can be realized. According to the specific scheme, the supporting device for component dismounting and mounting comprises two side supporting assemblies, the two side supporting assemblies can move and can move to the two sides of a to-be-mounted piece in the longitudinal direction correspondingly, each supporting assembly comprises an upper side platform, the upper side platform can support the component, the upper side platform can ascend and descend, and the upper side platform can move to the lower side platform. The upper side platform can move in the transverse direction and the longitudinal direction of the part to be installed so as to push the component into the part to be installed, the upper side platform is provided with a positioning part so as to position the component to be supported, and the positioning part of the supporting assembly on one side is provided with two light emitters. Wherein one light emitter emits a light beam towards the positioning position of the to-be-installed part.

According to the transverse stopper and the rigidity adjusting method thereof, the transverse stopper comprises a rubber body, a wear-resisting plate and a stopper mechanism, the lower end of the rubber body is vulcanized on the stopper mechanism, an adjusting hole is formed in the upper end of the rubber body, the wear-resisting plate is arranged at the adjusting hole, and the lower end of the wear-resisting plate is embedded in the rubber body; and the rubber body, the wear-resisting plate and the stop mechanism are connected into a whole. The upper end and the lower end of the rubber body are both in a circular truncated cone shape, the taper and the height of the circular truncated cone at the upper end are larger than those of the circular truncated cone at the lower end respectively, and a stop mechanism is vulcanized at the lower end of the rubber body; therefore, the transverse backstop has a rigidity curve with small deformation, small rigidity and large deformation and large rigidity so as to meet the rigidity requirement of the transverse backstop. The adjusting hole is formed in the upper end of the rubber body, so that the radial rigidity and the vertical rigidity of the transverse backstop are reduced, and the riding comfort of passengers is improved. The annular groove is formed in the bottom of the wear-resisting plate, so that the connecting area of the lower end of the wear-resisting plate and the rubber body is increased, and the falling risk of the wear-resisting plate is effectively reduced.

The utility model provides a kind of for bogie's lower bending beam and straddle type bogie frame, the lower bending beam for bogie includes: left vertical plate and right vertical plate;Lower bending beam upper cover plate;Lower bending beam lower cover plate;First sealing plate, the first sealing plate with the horizontal upper cover, horizontal lower cover, left vertical plate and right vertical plate are connected;Air chamber muscle plate, the air chamber muscle plate with the inclined lower cover, left vertical plate and right vertical plate are connected;Second sealing plate, the second sealing plate with the inclined upper cover, air chamber muscle plate, left vertical plate and right vertical plate are connected;The left vertical plate, right vertical plate, lower bending beam upper cover plate, lower bending beam lower cover plate, first sealing plate, air chamber muscle plate and second sealing plate are enclosed to form air chamber.The lower bending beam for bogie of the utility model, sets up second sealing plate and air chamber muscle plate to replace original baffle, while guaranteeing structural strength, reduce manufacturing difficulty, realize 100% detection of air chamber all welds.

The invention relates to a device for transmitting longitudinal forces in a rail vehicle. A hydraulic axle lead bearing (ALL) has an outer housing element (GEHA) and an inner housing element (GEHI) which is connected to a bogie (DGST) or a wheel set (RS1, RS2) of a rail vehicle in order to transmit longitudinal forces which arise in the course of driving of the rail vehicle between the wheel set (RS1, RS2) and the bogie (DGST). The hydraulic axle lead bearing (ALL) has two mutually opposite chambers (KAM1, KAM2) which are filled with a fluid (FLU) and which have a respective chamber volume. A change in the relative position between the housing elements as a result of the longitudinal force leads to an alternating change in the volume of the two chambers (KAM1, KAM2). The two chambers (KAM1, KAM2) are coupled to one another by means of a line (LTG1, LTG2) which contains the fluid (FLU) and which extends outside or externally of the axle lead bearing (ALL). The alternating change in the volume of the two chambers (KAM1, KAM2) is brought about by a movement of the fluid (FLU). The external line (LTG1, LTG2) has a damping element (FDE) by means of which the movement of the fluid (FLU) between the two chambers (KAM1, KAM2) is damped.

The invention relates to the technical field of knuckle bearings, in particular to a maintenance-free knuckle bearing unit for a bogie of a rail transit vehicle, which comprises a bearing module, a movable module, a dual-seal module and a detection module. The bearing module is used for being connected with a bogie. The movable module is movably arranged on the bearing module, the contact face between the movable module and the bearing module is in an arc shape, one end of the movable module extends out of the bearing module in the axial direction and is used for being connected with another bogie, and the movable module can swing relative to the bearing module; the double-sealing module is arranged around the movable module, and the double-sealing module is connected with the bearing module and the movable module, so that a double-sealing closed cavity is formed between the movable module and the bearing module; the detection module is arranged on the bearing module, and the detection module is used for monitoring operation state parameters between the bearing module and the movable module. According to the invention, the long-period maintenance-free operation of the bearing can be realized on the premise of ensuring the safety.

The invention relates to an electric machine (30) for driving a rail vehicle (10) for high-speed operation with an internally or externally mounted chassis (20). It comprises an active assembly (31) with a stator (40) and an internal rotor (50) rotatable about a rotor axis (R). The stator (40) has a hollow cylindrical stator lamination stack (41) with axial stator slots (43) and a stator winding (46) arranged in the stator slots (43). The rotor (50) has a rotor lamination stack (52) arranged radially within the stator lamination stack (41) and supported by a hollow shaft (51) rotatably mounted about the rotor axis (R). The rotor lamination stack has axial magnet pockets (53) and rod-shaped permanent magnets (54) arranged therein.According to the invention, the active arrangement (31) has an active length (L) measured along the rotor axis (R), which is between 380 mm and 550 mm for an internally mounted chassis (20i) and between 400 mm and 850 mm for an externally mounted chassis (20a). The stator lamination stack (41) has a stator outer diameter (D40) between 480 mm and 730 mm and a hollow cylindrical stator yoke (42) with a radial yoke height (h) between 15 mm and 30 mm, as well as stator teeth (44) projecting radially inwards from it. Such a direct drive is optimized for operating the rail vehicle (10) at maximum speeds exceeding 200 km / h with regard to its torque and power-to-weight ratio.

The utility model discloses an air track pneumatic tire coal transport vehicle and an air track transport system. The transport vehicle comprises a bogie and a vehicle body. The bogie is connected with the vehicle body through a central suspension device; the vehicle body runs on the aerial track through the bogie; the bogie comprises a framework, a plurality of wheel assemblies, a motor driving device, a foundation braking device and a gear box, each wheel assembly comprises two tires, and the two tires are inflatable tires and are rotatably installed on the two sides of the framework in the width direction respectively; the motor driving devices are arranged at the two ends of the framework, the gear boxes are connected with the framework, the gear boxes are arranged between the corresponding motor driving devices and the corresponding wheel assemblies, and the motor driving devices transmit torque to the gear boxes through couplings so as to drive the wheel assemblies to walk. According to the aerial track pneumatic tire coal transport vehicle, the vibration of the vehicle and the aerial track beam is relatively small, the gradeability of the vehicle is strong, and the maintenance is more convenient.

The invention relates to a bogie frame for a bogie for a rail vehicle, the bogie frame comprising at least a first longitudinal member (2), a second longitudinal member (3) and a crossmember (4), the first longitudinal member (2) and the second longitudinal member (3) being connected to the crossmember (4) and the bogie frame having at least a first connecting device (14) for connecting at least one brake actuator to the bogie frame. According to the invention, the at least first connecting device (14) extends between and is connected to the first longitudinal member (2) and the crossmember (4) in the direction of a parallel to a bogie frame longitudinal axis (20), wherein the at least first connecting device (14) has a greater thickness in at least one edge region of the crossmember (4) than in a central region of the crossmember (4). This affords a high degree of flexibility as regards a connection of brake actuators to the bogie frame.

The invention relates to a ballistic protection arrangement for vehicles, in particular for a wheelset axle (1) of a chassis for a rail vehicle, comprising at least one curved or curved first shell (2) which can be arranged to at least partially enclose the wheelset axle (1), and at least one elongated first fastening device (4) which can be arranged at least partially around the at least first shell (2). It is proposed that the at least first shell (2) has at least one first retaining device (5) by means of which the at least first fastening device (4) can be positioned and locked onto the at least first shell (2), wherein the at least first shell (2) can be fastened to the wheelset axle (1) by means of the at least first fastening device (4) and the at least first retaining device (5), and wherein the at least first retaining device (5) is formed integrally with the at least first shell (2).This ensures a secure closure and a moderate space requirement for the protective arrangement.

The invention discloses a primary nonlinear vertical suspension system and a railway vehicle, and belongs to the technical field of railway vehicle dynamics and vibration control. The system comprises a first mounting support, a first spring mounting seat fixedly connected with the first mounting support, a conical spring arranged in the first spring mounting seat, a second spring mounting seat connected with the conical spring, and at least one pair of belleville springs arranged between the first spring mounting seat and the second spring mounting seat, the tray is fixedly connected with the second spring mounting seat; the spiral spring is arranged on the tray; the second mounting support is fixedly connected with the spiral spring; one end of the belleville spring is hinged to the second spring mounting base, and the other end of the belleville spring is hinged to the first spring mounting base. The technical problem that a primary suspension system adopted in the prior art affects the vertical stability of the railway vehicle due to the spring stiffness can be solved.

The invention relates to the technical field of bogie suspension supports, and discloses an adjustable load-reducing and anti-falling support device suitable for a cantilever structure. The bracket body is arranged at the top of the auxiliary equipment; the connecting piece is arranged at the top of the bracket body; the adjustable elastic component is arranged on one side of the connecting piece; the pull ring is arranged at the bottom of the support body, and the pull ring is connected with the adjustable elastic component through a rigid pull rope; the fixed pulley assembly is arranged on one side of the support body and connected with the rigid pull rope. Vibration of the lower portion of the support body is restrained through the shock absorber, pre-stretching of the steel spring is achieved through the adjustable stud, failure of the steel spring is prevented through the adjusting bolt, and meanwhile the anti-disengaging function is achieved under the condition that the support body breaks down; therefore, the influence of auxiliary equipment on the long cantilever support and the large safety risk caused after the support is broken can be reduced.