CN112959924A

CN112959924A - Urban rail transit contact rail system with function of making an uproar is fallen

Info

Publication number: CN112959924A
Application number: CN202110260066.4A
Authority: CN
Inventors: 丁晓
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-06-15

Abstract

The utility model discloses an urban rail transit contact rail system with function of making an uproar is fallen, including the system main part, the device opens and shuts, the device pulls down, the system main part is the mounting platform of pulling down device and device opens and shuts, wherein be provided with a plurality of elastic element on the system theme, can play the effect of whole device to a degradation of sound in the vibrations, still be provided with the isolation top on the device opens and shuts, can keep apart external sound, the system pulls down is driven through the vibrations of device, the arm system drives the arm cable wire, it moves to drive the isolation top, take in the device inside with the noise absorption, open again after the digestion and fall the noise of next round of making an uproar, the system pulls down is provided with a plurality of gear drive, its purpose alleviates the power of starting, its system of lighter starting.

Description

Urban rail transit contact rail system with function of making an uproar is fallen

Technical Field

The invention relates to the field of noise reduction, in particular to an urban rail transit contact rail system with a noise reduction function.

Background

In the daily work of rail transit, a large amount of noise can be always generated when a train passes through a contact rail, and troubles are caused to the production and life of people seriously, so that how to reduce the noise of urban rail transit becomes a relatively important topic in modern research, for example, in the prior art, the patent number is 2020111008074, the invention patent named as an urban rail transit contact rail system with a noise reduction function discloses a technical scheme, and particularly comprises a noise reduction device, wherein the noise reduction device is suitable for a C-shaped contact rail and is distributed in a section where the C-shaped contact rail generates noise; the noise reduction device comprises a damping layer and a first fixed support; the damping layer is fixed in the rail cavity of the C-shaped contact rail and is the same as the rail cavity in shape, and the damping layer is fixed in the rail cavity through one or a plurality of first fixed supports, so that the damping layer is closely attached to the inner wall of the rail cavity. The contact rail system with the noise reduction function is particularly suitable for a novel rail traffic mode in an overhead mode, and can effectively reduce noise generated by a contact rail in a travelling crane, so that the technical scheme of noise reduction by using damping is adopted, the noise reduction problem is solved to a certain extent, but noise reduction materials cannot avoid contact between vehicles and the rail, so that the noise reduction effect is limited, the noise reduction materials are expensive in manufacturing cost, high in maintenance cost and large in workload, and therefore the invention provides a novel technical scheme, noise is absorbed into the noise reduction system, noise is reduced by using elastic elements, the design of the system is ingenious, the noise reduction effect is good, and the cost is low and durable.

Disclosure of Invention

Aiming at the technical problems, the urban rail transit contact rail system with the noise reduction function can effectively solve the technical problems and has the technical effects of ingenious structure, obvious noise reduction effect and low cost.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an urban rail transit contact rail system with a noise reduction function, comprising: the system main body is arranged on the contact rail, and an elastic element is arranged in the system main body and used for weakening noise; the switching device is arranged on the system main body and is used for absorbing noise into the system and isolating external sound; the pull-down device is arranged on the system main body, is connected with the opening and closing device and controls the opening and closing device to be opened or closed when noise occurs; the mechanical arm device is fixedly arranged on the system main body and comprises an independent power source, and the power source drives the auxiliary pull-down device of the mechanical arm system to control the opening and closing device to act.

Furthermore, the system main part include the base, the base on be provided with a plurality of elastic element, the last base lid that is equipped with of elastic element, fixed mounting is covered to the base has the support, the support is the triangle-shaped structure, be provided with the profile of tooth structure on the triangle-shaped structure sloping roof beam is close to the one side of base, slidable mounting has the device that opens and shuts on the support.

Further, the device that opens and shuts include keeping apart the top, keep apart top slidable mounting on the support, keep apart top fixed mounting and have the isolation support, keep apart to rotate on the support and install isolation gear, isolation gear and the tooth type mechanism on the support form the rack and pinion cooperation, keep apart the top and be connected through elastic element with the support top, keep apart the top and be connected with the drop-down device.

Further, the pull-down device include the cable wire, cable wire one end with keep apart a fixed connection, the cable wire winding is on the little base post of platform, the little base post of platform passes through the universal shaft coupling and pulls down the coaxial fixed connection of master gear, it forms gear fit with well cylinder gear to pull down the master gear, well cylinder gear sets up on well cylinder, well cylinder is connected with a plurality of other cylinders through the belt drive, all be equipped with the gear on other cylinders, well cylinder rotates with other cylinders and installs on the base, the gear that sets up on other cylinders forms gear fit with the butterfly gear of rotation installation on the base, butterfly gear forms gear and rack cooperation with the pull-down rack of slidable mounting on the base, pull-down rack fixed mounting covers at the base.

Further, the arm device include the arm cable wire, arm cable wire one end fixed mounting keep apart the top, the other end is connected with the arm post, arm post slidable mounting is on the ring, ring fixed mounting is on the base, rotate on the arm post and install the one end of forearm, the other end of forearm rotates with the one end of big arm to be connected, the other end and the arm base fixed connection of big arm, the arm base rotates to be installed on the base, is equipped with the gear on the arm base, the gear is connected with drive arrangement.

Furthermore, the driving device comprises a motor gear, the motor gear and a gear on the mechanical arm base form gear matching, and the motor gear is coaxially and fixedly connected with an output shaft of a motor fixedly installed on the base.

Furthermore, the driving device comprises a power rack, the power rack is slidably mounted on the base, and the power rack is fixedly connected with a piston rod of the power electric cylinder.

Furthermore, the big arm is hinged with one end of a telescopic rod, and the other end of the telescopic rod is hinged with the small arm.

Furthermore, the pull-down device and the mechanical arm device are symmetrically arranged on the base in pairs.

Compared with the prior art, the invention has the beneficial effects that:

(1) the base system is provided with a large number of elastic elements, the noise reduction effect can be achieved through vibration of the elastic elements, the noise reduction effect is obvious, and the abrasion of equipment is small.

(2) The pull-down system is driven to start through the vibration of the spring, so that the energy consumption can be saved, and the noise is converted into kinetic energy.

(3) The mechanical arm system is provided with a plurality of mechanical arms, so that the effect of pulling and jacking the isolation jack-up is prevented under the condition that the energy consumption of the pull-down system is insufficient.

(4) The isolation roof of the invention can be opened in a sliding way, and can isolate the noise inside for internal digestion.

Drawings

FIG. 1 is an overall schematic view of the present invention.

FIG. 2 is a general schematic view of the base system of the present invention.

FIG. 3 is a schematic diagram of a portion of a pull-down system according to the present invention.

FIG. 4 is a schematic diagram of a portion of a pull-down system according to the present invention.

Fig. 5 is an overall schematic view of the robot system of the present invention.

Detailed Description

The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.

Example (b): referring to fig. 1, 2, 3, 4 and 5, an urban rail transit contact rail system with a noise reduction function includes a system body 1, a pull-down system 2 and a robot arm device 3.

Fig. 2 shows a specific structure of the base system 1, wherein the base 101 is a base, the spring 102 is fixedly mounted on the base 101, the base cover 103 is fixedly mounted on the spring 102, the bracket 104 is fixedly mounted on the base cover 103, the bracket rack 105 is fixedly mounted in the bracket 104, the isolation support 106 is fixedly mounted on the isolation roof 108, the isolation gear 107 is rotatably mounted in the isolation support 106, the isolation gear 107 is engaged with the bracket rack 105, and the isolation roof 108 is slidably mounted on the bracket 104.

As shown in fig. 3 and 4, a specific structure of the pull-down device 2 is shown, wherein the pull-down fixture 201 is fixedly installed in the base cover 103, the pull-down rack frame 202 is fixedly installed on the base 101, the pull-down rack 203 is slidably installed in the pull-down rack frame 202, the butterfly gear column 205 is fixedly installed on the base 101, the butterfly gear 204 is rotatably installed on the butterfly gear column 205, the butterfly gear 204 is engaged with the pull-down rack 203, the pull-down base 226 is fixedly installed on the base 101, the platform small base 206 is fixedly installed on the pull-down base 226, the platform small base column 209 is rotatably installed in the platform small base 206, the cable 207 is fixedly installed on the platform small base column 209, the cable base 208 is fixedly installed on the isolation top 108, the cable 207 is fixedly installed on the cable base 208, the arc wheel bottom 210 is fixedly installed on the platform small base column 209, the arc wheel 211 is fixedly installed on the arc wheel bottom 210, the arc wheel center 212 is fixedly, a lower pulling small base 223 fixedly arranged on the base 101, a half moon arc bottom 215 rotatably arranged in the lower pulling small base 223, a half moon arc 214 fixedly arranged on the half moon arc bottom 215, a half moon arc center 213 fixedly arranged in the half moon arc 214, a half moon arc center 213 fixedly arranged on an arc wheel center 212, a lower pulling main gear 216 fixedly arranged on the half moon arc bottom 215, an upper cylinder 217 rotatably arranged on the base 101, an upper gear 218 fixedly arranged on the upper cylinder 217, the upper gear 218 engaged with the butterfly gear 204, a middle cylinder 225 rotatably arranged on the base 101, an upper crawler 219 wound on the upper cylinder 217 and the middle cylinder 225, a lower cylinder 220 rotatably arranged on the base 101, a lower gear 221 fixedly arranged on the lower cylinder 220, a lower gear 221 engaged with the butterfly gear 204, a lower crawler 222 wound on the lower cylinder 220 and the middle cylinder 225, a middle cylinder gear 224 fixedly arranged on the middle cylinder 225, and a middle cylinder gear 224 engaged with the lower pulling main gear 216, the pull-down base 226 is fixedly installed on the base 101, the pull-down rack 203 is driven by the spring 102 to slide, and the middle cylindrical gear 224 drives the small base column 209 of the platform to rotate. When noise is generated, the spring 102 detects that the noise is deformed, so that the height of the base cover 103 is changed, the pull-down rack 203 is driven to slide on the base 101, the pull-down rack 203 drives the butterfly gear 204 to rotate, and further drives the middle cylindrical gear 224 to rotate, so that the steel cable 207 is driven to rotate, the steel cable 207 pulls the isolating top 108 to slide on the support 104, and the effect of containing the noise is achieved.

As shown in fig. 5, a specific structure of the robot arm system 3 is shown, wherein a robot arm base 301 is fixedly installed on a base 101, a robot arm base 302 is rotatably installed on the robot arm base 301, a base gear 303 is fixedly installed on the robot arm base 302, a motor 305 is fixedly installed on the base 101, a motor gear 304 is fixedly installed on a motor shaft of the motor 305, the base gear 303 is meshed with the motor gear 304, a tail of a large arm 306 is fixedly installed on the robot arm base 302, a tail of a small arm 307 is rotatably installed on a head of the large arm 306, a small arm slider 309 is slidably installed on the small arm 307, a tail of an electric cylinder 308 is rotatably installed on the large arm 306, a head of the electric cylinder 308 is rotatably installed on the small arm slider 309, a ring 310 is fixedly installed on the base 101, a robot arm column 311 is rotatably installed in the ring 310, a lower wire rope base 312 is fixedly installed on, the tail part of a mechanical arm steel cable 313 is fixedly arranged on a lower steel cable base 312, the head part of a mechanical arm steel cable 313 is fixedly arranged on an upper steel cable base 314, a power gear 315 is fixedly arranged on a mechanical arm base 302, a power rack frame 317 is fixedly arranged on the base 101, a power rack 316 is slidably arranged in the power rack frame 317, the power gear 315 is meshed with the power rack 316, the power rack 316 is fixedly arranged on a power electric cylinder 318, the power electric cylinder 318 is fixedly arranged on the base 101, the mechanical arm base 302 is driven to rotate by a motor 305, the power electric cylinder 318 drives the mechanical arm base 302 to rotate, an electric cylinder 308 drives a mechanical arm column 311 to rotate, a driving device drives a large arm 306 to rotate, the large arm 306 drives a small arm 307 to rotate, the mechanical column arm rotates in a circular ring 310, the mechanical arm steel cable pulls an isolation top 108, and an auxiliary pull-down device opens the, and (6) noise reduction is carried out.

Claims

1. The utility model provides an urban rail transit contact rail system with function of making an uproar is fallen which characterized in that includes:

the system main body is arranged on the contact rail, and an elastic element is arranged in the system main body and used for weakening noise;

the switching device is arranged on the system main body and is used for absorbing noise into the system and isolating external sound;

the pull-down device is arranged on the system main body, is connected with the river opening device and controls the opening and closing device to be opened or closed when noise occurs;

the mechanical arm device is fixedly arranged on the system main body and comprises an independent power source, and the power source drives the auxiliary pull-down device of the mechanical arm system to control the opening and closing device to act.

2. The urban rail transit contact rail system with the noise reduction function according to claim 1, characterized in that: the system main body comprises a base, a plurality of elastic elements are arranged on the base, base covers are arranged on the elastic elements, a support is fixedly arranged on the base covers and is of a triangular structure, a tooth-shaped structure is arranged on one surface, close to the base, of a hypotenuse beam of the triangular structure, and an opening and closing device is slidably arranged on the support.

3. The urban rail transit contact rail system with the noise reduction function according to claim 2, wherein: the device that opens and shuts include the isolation top, isolation top slidable mounting on the support, isolation top fixed mounting has the isolation support, rotates on the isolation support and installs isolation gear, isolation gear and the mechanism on the support form the rack and pinion cooperation, the isolation top is symmetric distribution on the support, the isolation top passes through elastic element with the support top and is connected, the isolation top is connected with the device that draws down.

4. The urban rail transit contact rail system with the noise reduction function according to claim 3, wherein: the lower pulling device comprises a steel cable, one end of the steel cable is fixedly connected with the isolation top, the steel cable is wound on the small platform base column, the small platform base column is coaxially and fixedly connected with the lower pulling master gear through a universal shaft coupler, the lower pulling master gear and the middle cylindrical gear form gear fit, the middle cylindrical gear is arranged on the middle cylinder, the middle cylinder is connected with a plurality of other cylinders through belt transmission, gears are arranged on the other cylinders, the middle cylinder and the other cylinders are rotatably arranged on the base, the gears arranged on the other cylinders and the butterfly gears rotatably arranged on the base form gear fit, the butterfly gears and the lower pulling racks slidably arranged on the base form gear-rack fit, and the lower pulling racks are fixedly arranged on the base cover.

5. The urban rail transit contact rail system with the noise reduction function according to claim 1, characterized in that: the mechanical arm device comprises a mechanical arm steel cable, one end of the mechanical arm steel cable is fixedly mounted on the isolation top, the other end of the mechanical arm steel cable is connected with a mechanical arm column, the mechanical arm column is slidably mounted on a circular ring, the circular ring is fixedly mounted on a base, one end of a small arm is rotatably mounted on the mechanical arm column, the other end of the small arm is rotatably connected with one end of a large arm, the other end of the large arm is fixedly connected with a mechanical arm base, the mechanical arm base is rotatably mounted on the base, a gear is arranged on the mechanical arm base, and the gear is.

6. The urban rail transit contact rail system with the noise reduction function according to claim 5, wherein: the driving device comprises a motor gear, the motor gear and a gear on the mechanical arm base form gear matching, and the motor gear is coaxially and fixedly connected with an output shaft of a motor fixedly installed on the base.

7. The urban rail transit contact rail system with the noise reduction function according to claim 5, wherein: the driving device comprises a power rack, the power rack is slidably mounted on the base, and the power rack is fixedly connected with a piston rod of the power electric cylinder.

8. The urban rail transit contact rail system with the noise reduction function according to any one of claims 1 to 7, characterized in that: the big arm is hinged with one end of a telescopic rod, and the other end of the telescopic rod is hinged with the small arm.

9. The urban rail transit contact rail system with the noise reduction function according to claim 8, wherein: the pull-down device and the mechanical arm device are symmetrically arranged on the base in pairs.