阅读说明：本技术 一种带有智能施工检修平台的检修车 (Maintenance car with intelligence construction overhauls platform ) 是由 吕世峰 张宇 于 2020-05-28 设计创作，主要内容包括：本发明公开了一种带有智能施工检修平台的检修车,属于工程车领域,包括车身,所述车身上安装有平台升降装置,所述平台升降装置上安装有检修平台,所述检修平台下方安装有调平机构,所述调平机构包括上调平座和下调平座,在平台升降装置升降的同时,通过调平机构中上调平座和下调平座的相对转动,可以避免检修平台倾斜角度过大,解决了现有技术中,由于检修平台在升降过程中会发生倾斜,导致威胁了检修平台上人员和设备安全的问题。(The invention discloses an overhaul vehicle with an intelligent construction overhaul platform, which belongs to the field of engineering vehicles and comprises a vehicle body, wherein a platform lifting device is arranged on the vehicle body, an overhaul platform is arranged on the platform lifting device, a leveling mechanism is arranged below the overhaul platform and comprises an upper leveling seat and a lower leveling seat, when the platform lifting device is lifted, the overhauled platform can be prevented from having an overlarge inclination angle through the relative rotation of the upper leveling seat and the lower leveling seat in the leveling mechanism, and the problem that in the prior art, the safety of personnel and equipment on the overhaul platform is threatened due to the fact that the overhaul platform can incline in the lifting process is solved.)

1. The maintenance vehicle with the intelligent construction maintenance platform is characterized by comprising a vehicle body, wherein a platform lifting device is mounted on the vehicle body, a maintenance platform is mounted on the platform lifting device, a leveling mechanism is mounted below the maintenance platform and comprises an upper leveling seat and a lower leveling seat, the upper leveling seat is fixedly connected with the maintenance platform, and the lower leveling seat is fixedly connected with the platform lifting device; a first connecting shaft is fixedly arranged on the lower leveling seat, penetrates through the upper leveling seat and is rotatably connected with the upper leveling seat; still install the leveling pendulum rod on the lower leveling seat, upward be equipped with the pendulum rod spread groove on the leveling seat, install the second connecting axle in the pendulum rod spread groove, fixed mounting has the third connecting axle on the lower leveling seat, the high position of second connecting axle is higher than the high position of third connecting axle, the one end of leveling pendulum rod with the second connecting axle rotates to be connected, the other end with the third connecting axle rotates to be connected, the leveling pendulum rod with one of third connecting axle is served and is installed the speed governing carousel, install servo motor on the lower leveling seat, servo motor's output shaft pass through the hold-in range with the speed governing carousel links to each other.

2. The maintenance vehicle with the intelligent construction maintenance platform as claimed in claim 1, wherein a control box for controlling rotation of a servo motor is mounted on the upper leveling seat, a balance box is further mounted on the upper leveling seat, a ceiling is mounted at the top of the balance box, a spherical cavity is formed in the lower side of the ceiling, a balance ball is mounted in the spherical cavity, the lower end of the balance ball is exposed out of the spherical cavity, a balance rod is connected to the part of the lower end of the balance ball exposed out of the spherical cavity, a plurality of balls are mounted on the inner side of the spherical cavity, and the balls are in point contact with the balance ball; install two pressure sensor on the inside downside of balance box, two pressure sensor be located respectively the below at balancing pole both ends, pressure sensor's connecting wire with the control box links to each other.

3. The inspection vehicle with the intelligent construction inspection platform as claimed in claim 2, wherein a rubber pad is mounted on the upper side of the pressure sensor.

4. The inspection vehicle with the intelligent construction inspection platform as claimed in claim 2, wherein a reflector is installed at the middle point of the bottom of the balancing pole in the length direction, and an upward-oriented reflective photoelectric sensor is installed on the lower side surface inside the balancing box and is located below the reflector.

5. The maintenance vehicle with the intelligent construction maintenance platform as claimed in claim 1, wherein a control room track is arranged on the maintenance platform, a control room is connected to the control room track, an operation platform is arranged outside the control room, and a lifting oil cylinder for pushing the control room to lift is further mounted on the maintenance platform.

6. The maintenance vehicle with the intelligent construction maintenance platform as claimed in claim 1, wherein the left side and the right side of the maintenance platform are respectively provided with an electric wire supporting rod, and the lower end of the electric wire supporting rod is connected with a telescopic oil cylinder for pushing the electric wire supporting rod.

7. The maintenance vehicle with the intelligent construction maintenance platform as claimed in claim 1, wherein a swing mechanism is installed between the maintenance platform and the leveling mechanism, the swing mechanism comprises a rotary table, a transmission gear is installed below the rotary table, a rotary table driving motor is installed on the rotary table, and a planetary gear meshed with the transmission gear is connected to the rotary table driving motor.

8. The maintenance vehicle with the intelligent construction maintenance platform as claimed in claim 5, wherein a generator is installed in the control room.

Technical Field

The invention relates to an engineering vehicle, in particular to an overhaul vehicle with an intelligent construction overhaul platform.

Background

The high-speed rail contact system is a power transmission line which is erected over a railway line and supplies power to an electric locomotive, and current relied on by the running of a high-speed rail train is transmitted through the contact system at the upper end of the locomotive; once the contact net has a power failure or the contact between the train pantograph and the contact net is poor, the power supply of the train is affected, so that the maintenance and overhaul work of the contact net is very important.

When the contact net is maintained and overhauled, the traditional operation mode is completed through the scaffold, however, the operation range of the scaffold is small, the moving is inconvenient, the efficiency is very low in the operation, the adaptability to different environments is poor, and the condition that the position below the contact net is not suitable for fixing the scaffold is adopted.

In order to make the position selection of the maintenance platform more free, the maintenance platform needs to be lifted by the maintenance vehicle with the lifting device with high degree of freedom, and when the lifting device with high degree of freedom lifts the maintenance platform, the maintenance platform is easy to incline, so that potential safety hazards are generated on personnel and equipment on the maintenance platform.

For example, the overhead working bucket device, which is disclosed in the chinese patent literature and has the publication number CN107284460A, includes an overhead working bucket device, and has a disadvantage in that the overhead working bucket device is lifted by a mechanical arm, and during the lifting process, the mechanical arm connected to the working bucket rotates, so that the working bucket tilts, thereby affecting the safety of personnel and equipment in the working bucket.

Disclosure of Invention

The invention aims to overcome the problem that in the prior art, the maintenance platform is easy to incline in the lifting process, so that the safety of personnel and equipment on the maintenance platform is threatened, and provides the maintenance vehicle with the intelligent construction maintenance platform.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention discloses an inspection vehicle with an intelligent construction inspection platform, which comprises a vehicle body, wherein a platform lifting device is arranged on the vehicle body, an inspection platform is arranged on the platform lifting device, a leveling mechanism is arranged below the inspection platform, the leveling mechanism comprises an upper leveling seat and a lower leveling seat, the upper leveling seat is fixedly connected with the inspection platform, and the lower leveling seat is fixedly connected with the platform lifting device; a first connecting shaft is fixedly arranged on the lower leveling seat, penetrates through the upper leveling seat and is rotatably connected with the upper leveling seat; still install the leveling pendulum rod on the lower leveling seat, upward be equipped with the pendulum rod spread groove on the leveling seat, install the second connecting axle in the pendulum rod spread groove, fixed mounting has the third connecting axle on the lower leveling seat, the high position of second connecting axle is higher than the high position of third connecting axle, the one end of leveling pendulum rod with the second connecting axle rotates to be connected, the other end with the third connecting axle rotates to be connected, the leveling pendulum rod with one of third connecting axle is served and is installed the speed governing carousel, install servo motor on the lower leveling seat, servo motor's output shaft pass through the hold-in range with the speed governing carousel links to each other.

Platform elevating gear is at the in-process of lift maintenance platform, and the member that links to each other with the maintenance platform can take place to rotate, through the structure in this scheme, make elevating gear with down the leveling seat is connected, works as down the leveling seat takes place when rotating, can make servo motor drives the leveling pendulum rod and rotates, and the rotation direction of leveling pendulum rod is opposite with the rotation direction of the member that the maintenance platform links to each other on the platform elevating gear to make and go up the leveling seat and take place relative rotation with down the leveling seat, thereby guarantee the balance of leveling seat under the circumstances of leveling seat slope down, thereby guarantee the balance of maintenance platform, avoid personnel and the equipment on the maintenance platform to produce the safety problem.

Preferably, a control box for controlling the rotation of the servo motor is installed on the upper leveling seat, a balance box is also installed on the upper leveling seat, a ceiling is installed at the top of the balance box, a spherical cavity is arranged on the lower side of the ceiling, a balance ball is installed in the spherical cavity, the lower end of the balance ball is exposed out of the spherical cavity, a balance rod is connected to the part, exposed out of the spherical cavity, of the lower end of the balance ball, a plurality of balls are installed on the inner side of the spherical cavity, and the balls are in point contact with the balance ball; two pressure sensors are mounted on the lower side surface inside the balancing box, the two pressure sensors are respectively positioned below two ends of the balancing rod, and a connecting wire of each pressure sensor is connected with the control box; because elevating gear is when going up and down to overhauing the platform, the angular variation of lower leveling seat is not at the uniform velocity, if servo motor control leveling swing arm is at the uniform velocity swing, still can't guarantee to overhaul the platform and be in the horizontality constantly, and passes through in this scheme control box control servo motor can adjust the swing speed of leveling swing arm according to the actual deflection angle of upper leveling seat to avoid overhauing the platform and go up and down the too big slope of in-process.

Preferably, a rubber pad is mounted on the upper side of the pressure sensor; the rubber pad can play a role in buffering when the two ends of the balancing rod hit the pressure sensors, so that the balancing rod is prevented from bouncing off after hitting the pressure sensors, and the rubber pad can also prevent the pressure sensors from being damaged due to impact force.

Preferably, a reflector is installed at the midpoint of the bottom of the balancing pole in the length direction, a reflective photoelectric sensor with an upward direction is installed on the lower side surface inside the balancing box, and the reflective photoelectric sensor is located below the reflector; the combination of the reflective photoelectric sensor and the reflective sheet can be used for detecting whether the balance rod is in a horizontal position or not, when the lifting device stops moving, whether the maintenance platform is in the horizontal position or not can be confirmed through the reflective sheet, and if the maintenance platform is not in the horizontal position, leveling is carried out through continuous movement of the leveling swing arm, so that the maintenance platform is in the horizontal direction when a worker overhauls.

Preferably, a swing mechanism is installed between the maintenance platform and the leveling mechanism, a control room track is arranged on the maintenance platform, a control room is connected to the control room track, an operation platform is arranged outside the control room, and a lifting oil cylinder used for pushing the control room to lift is further installed on the maintenance platform; the lifting oil cylinder can adjust the height of the operation platform in the operation process in a small amount, and compared with the method of adjusting the height by using a lifting device, the lifting oil cylinder is used for adjusting the height in a small amount, so that the lifting oil cylinder is convenient to use, and the maintenance platform does not need to be leveled again.

Preferably, the left side and the right side of the maintenance platform are respectively provided with an electric wire support rod, and the lower end of the electric wire support rod is connected with a telescopic oil cylinder for pushing the electric wire support rod; in the maintenance process of the contact network, sometimes one section of the electric wire needs to be disconnected from the upright post so as to perform local maintenance, and the electric wire support rod can support the disconnected electric wire so as to prevent the electric wire from falling to the bottom surface, so that the electric wire can be conveniently installed back by an operator after maintenance; the telescopic oil cylinder can increase the distance between the two wire support rods, so that different wires can be overhauled in different environments.

Preferably, a swing mechanism is arranged between the maintenance platform and the leveling mechanism, the swing mechanism comprises a rotary table, a transmission gear is arranged below the rotary table, a rotary table driving motor is arranged on the rotary table, and a planetary gear meshed with the transmission gear is connected to the rotary table driving motor; the rotary mechanism can control the maintenance platform to rotate, so that the orientation of the control chamber is adjusted, and a maintainer can conveniently select a proper angle to maintain the contact net.

Preferably, a generator is installed in the control room; when an emergency occurs, for example, when power supply is interrupted, the lifting device cannot be started, so that an operator at high altitude cannot return to the ground; and through this scheme the generator can make the control personnel carry out urgent power supply to elevating gear in the control room to make the operation personnel get back to ground safely, especially under the circumstances that does not have other personnel on ground, improved the security of operation greatly.

Therefore, the invention has the following beneficial effects: (1) the direction of the maintenance platform can be adjusted while the maintenance platform is lifted, so that the safety of personnel and equipment on the maintenance platform is prevented from being threatened due to the fact that the inclination angle of the maintenance platform is large; (2) the maintenance platform can be ensured to be in the horizontal direction after the lifting is finished; (3) the orientation of the control room can be adjusted, so that a maintainer can select a proper angle to overhaul the contact net.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of the structure of the present invention at the service platform and leveling mechanism.

Fig. 3 is a schematic view of a structure of the present invention at a leveling mechanism.

Fig. 4 is a cross-sectional view of the invention at the balancing tank.

Figure 5 is a front view of the present invention at the service platform.

In the figure: 1. the device comprises a vehicle body 2, a fixed pile 3, a platform lifting device 4, a first support rod 5, a first telescopic rod 6, a second support rod 7, a second telescopic rod 8, an overhaul platform 9, a leveling mechanism 10, an upper leveling seat 11, a lower leveling seat 12, a first connecting shaft 13, a leveling swing rod 14, a swing rod connecting groove 15, a second connecting shaft 16, a third connecting shaft 17, a speed regulation rotary table 18, a servo motor 19, a control box 20, a balance box 21, a suspended ceiling 22, a spherical cavity 23, a balance ball 24, a balance rod 25, a ball 26, a limiting ball 27, a support ball 28, a pressure sensor 29, a rubber pad 30, a reflective sheet 31, a reflective optical sensor 32, a slewing mechanism 33, a turntable 34, a transmission gear 35, a turntable driving motor 36, a planetary gear 37, a control room track 38, an electric sensor 30, A control room 39, an operation platform 40, a lifting oil cylinder 41, an electric wire supporting rod 42 and a telescopic oil cylinder.

Detailed Description

The invention is further described with reference to the following detailed description and accompanying drawings.

In the embodiment shown in fig. 1-5, the maintenance vehicle with the intelligent construction maintenance platform comprises a vehicle body 1, wherein a fixing pile 2 which can extend downwards and can be fixed on the bottom surface after extending is arranged on the lower side of the vehicle body; a platform lifting device 3 is mounted on the car body, the platform lifting device comprises a first supporting rod 4 mounted on the maintenance car, the first supporting rod is rotatably connected to the maintenance car, a first telescopic rod 5 capable of extending in the axial direction of the first supporting rod is mounted in the first supporting rod, a second supporting rod 6 is further mounted on the maintenance car, the second supporting rod is rotatably connected to the maintenance car, a second telescopic rod 7 capable of extending in the axial direction of the second supporting rod is mounted in the second supporting rod, and the end part of the second telescopic rod is rotatably connected with the first supporting rod; the maintenance platform is installed on the platform lifting device, the leveling mechanism 9 is installed below the maintenance platform and comprises an upper leveling seat 10 and a lower leveling seat 11, the upper leveling seat is fixedly connected with the maintenance platform, and the lower leveling seat is fixedly connected with a first telescopic rod of the platform lifting device; a first connecting shaft 12 is fixedly arranged on the lower leveling seat, penetrates through the upper leveling seat and is rotatably connected with the upper leveling seat; the lower leveling seat is further provided with a leveling swing rod 13, the upper leveling seat is provided with a swing rod connecting groove 14, the swing rod connecting groove is a long waist groove in the horizontal direction, a second connecting shaft 15 is installed in the swing rod connecting groove, the lower leveling seat is fixedly provided with a third connecting shaft 16, the height position of the second connecting shaft is higher than that of the third connecting shaft, one end of the leveling swing rod is rotatably connected with the second connecting shaft, the other end of the leveling swing rod is rotatably connected with the third connecting shaft, one end of the leveling swing rod connected with the third connecting shaft is provided with a speed regulation turntable 17, the lower leveling seat is provided with a servo motor 18, and an output shaft of the servo motor is connected with the speed regulation turntable through a synchronous belt; the upper leveling seat is provided with a control box 19 for controlling the rotation of the servo motor, the upper leveling seat is also provided with a balancing box 20, the top of the balance box is provided with a suspended ceiling 21, the lower side of the suspended ceiling is provided with a spherical cavity 22, a balance ball 23 is arranged in the spherical cavity, the lower end of the balance ball is exposed out of the spherical cavity, a balance rod 24 is connected on the part of the lower end of the balance ball exposed out of the spherical cavity, the gravity center of the balance rod is positioned under the spherical center of the balance ball, a plurality of balls 25 are arranged on the inner side of the spherical cavity, the balls are in contact with the balance spherical point, the ball bearings comprise a limiting ball bearing 26 positioned at the upper part of the spherical cavity and a supporting ball bearing 27 positioned at the lower part of the spherical cavity, wherein a plurality of limiting ball bearings are uniformly distributed by taking a vertical line penetrating through the spherical center of the balance ball as the axial circumference, and a plurality of supporting ball bearings are also uniformly distributed by taking a vertical line penetrating through the spherical center of the balance ball as the axial circumference; two pressure sensors 28 are arranged on the lower side surface of the inside of the balance box, rubber pads 29 are arranged on the upper sides of the pressure sensors, the two pressure sensors are respectively positioned below two ends of the balance rod, and connecting wires of the pressure sensors are connected with the control box; a reflector 30 is arranged at the middle point of the bottom of the balancing pole in the length direction, a reflective photoelectric sensor 31 with an upward direction is arranged on the lower side surface in the balancing box, and the reflective photoelectric sensor is positioned below the reflector; a rotary mechanism 32 is installed above the upper leveling seat, the rotary mechanism comprises a rotary table 33, the axial direction of the rotary table is vertical, a transmission gear 34 is installed below the rotary table, a rotary table driving motor 35 is installed on the rotary table, a planetary gear 36 meshed with the transmission gear is connected to the rotary table driving motor, and the maintenance platform is installed on the rotary table; the maintenance platform is provided with a control room track 37, the control room track is connected with a control room 38, an operation platform 39 is arranged outside the control room, and the maintenance platform is also provided with a lifting oil cylinder 40 for pushing the control room to lift; the left side and the right side of the maintenance platform are respectively provided with an electric wire support rod 41, and the lower end of the electric wire support rod is connected with a telescopic oil cylinder 42 for pushing the electric wire support rod; and a generator is arranged in the control chamber and is connected with the lifting device and the leveling mechanism.

When the device is used, the maintenance vehicle runs to a proper position to avoid the barrier, the fixing pile on the lower side of the vehicle body is put down, and the fixing pile is fixed on the ground; then starting a lifting device, driving a first supporting rod to rotate by rotating a second supporting rod and extending out of a second telescopic rod, and extending out of a first telescopic rod, so that the maintenance platform is lifted, and in the working process of the lifting device, the leveling mechanism is also started at the same time, and a leveling oscillating bar and the first supporting rod are driven by the servo motor to rotate in opposite directions, so that an upper leveling seat rotates relative to a lower leveling seat, and the balance of the maintenance platform is kept; the balance box fixed on the upper leveling seat inclines along with the inclination of the upper leveling seat, the friction force received by the balance ball is small due to point contact with the ball bearing, the gravity center of the balance ball is positioned below the balance ball due to the connection of the balance ball and the balance rod, so that the influence of gravity is large, once the upper leveling seat inclines, the balance rod can still keep the horizontal direction, and when the balance rod and the balance box incline relatively, the end part of the balance rod can collide with the pressure sensor; when the upper leveling seat is inclined in the counterclockwise direction by a larger angle, the left end of the balancing rod can collide with the left pressure sensor, and the left pressure sensor transmits a signal to the control box so as to control the servo motor to decelerate, so that the counterclockwise rotating speed of the leveling oscillating rod is reduced, and the overhauled platform is prevented from being inclined by an overlarge angle; when the upper leveling seat is inclined at a larger angle in the clockwise direction, the pressure sensor on the right side transmits a signal to the control box so as to control the servo motor to accelerate, so that the clockwise rotating speed of the leveling oscillating bar is increased, and the overhauled platform is prevented from being inclined at an overlarge angle; if the two ends of the balancing rod do not collide with the pressure sensors, the fact that the inclination angle of the upper leveling seat is not large at the moment is shown, the rotating speed of the leveling oscillating rod is proper, and acceleration or deceleration is not needed; when the overhaul platform moves to a proper position, the lifting device stops running, if the overhaul platform is in an inclined state when the lifting device stops running, a worker can start the leveling mechanism to continue leveling, when the correlation photoelectric sensor is aligned with the reflector, the balance rod is in a horizontal state at the moment, the overhaul platform is in a horizontal direction, and the correlation photoelectric sensor can transmit a signal to the control box so as to stop the servo motor from rotating; when the orientation of the operating platform needs to be changed, the operation can be realized through the slewing mechanism, and the planetary gear is meshed and rotated outside the transmission gear by starting the turntable driving motor, so that the turntable is driven to rotate.