CN211890741U

CN211890741U - Intelligent rotating platform

Info

Publication number: CN211890741U
Application number: CN201922371762.3U
Authority: CN
Inventors: 徐卫鹏; 周常飞; 吕瑞林; 刘昆民; 阚锦彪; 卢云鹏; 郭岱; 王晓军; 恩建峰; 全保朝; 寇元宝; 冯大盛; 许寄桥; 董枫
Original assignee: Tiandi Shanghai Mining Equipment Technology Co Ltd; Tiandi Science and Technology Co Ltd Shanghai Branch
Current assignee: Tiandi Shanghai Mining Equipment Technology Co Ltd; Tiandi Science and Technology Co Ltd Shanghai Branch
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-11-10
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to an intelligence revolving stage, a department articulates on rotating base at its rack middle part, another department passes through the jack and supports on the concrete ground, rotating base fixes on the concrete ground, be between rack and the jack and between jack and the concrete ground articulated, rack one end is articulated with the connecting rod, the connecting rod is pegged graft with the sleeve, the relative concrete ground of sleeve is articulated, the interval is equipped with a plurality of first locating holes on the connecting rod, wear to establish sleeve and a first locating hole fixed connecting rod and sleeve with first locating pin, be equipped with at least one row of a plurality of second locating holes according to convex interval arrangement on the arc positioner, this convex centre of a circle is located rotating base's rotation center axis, wear to establish rack and a second locating hole fixed rack and arc positioner with the second locating pin. The utility model discloses the angle can realize that 0-65 degree interior intelligence is adjustable, supports stably, can be used for the simulation of colliery combined mining working face such as multi-angle slope, rapid dip.

Description

Intelligent rotating platform

Technical Field

The utility model relates to a revolving stage, but its angle automatically regulated belongs to the frock that coal-winning machine safe operation performance verified and analysis was used.

Background

The inclined and steep coal seams in China account for 28.8 percent of the total reserves, and the coal seams with the inclination angle of more than 35 degrees account for more than 17 percent. At present, the fully-mechanized mining technology is applied to inclined coal seams in China relatively mature, but the verification and analysis of the safe operation performance of a coal mining machine under an inclined condition have defects. Particularly, the maximum inclination angle of the current coal mining working face exceeds 60 degrees, and under the working condition of heavy inclination, the coal mining machine has serious potential safety hazards such as rapid gliding, brake failure and the like, so that the verification and analysis of the safe operation performance of the coal mining machine under the inclination condition are urgently needed to be implemented and completed.

The existing device for simulating the inclined working face condition has a fixed angle or a small adjustable angle, and can not meet the requirements of carrying out the safety operation performance experiment of the coal mining machine under various inclined conditions.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an intelligence revolving stage, its rack angle is intelligent adjustable at 0-65 degrees within range, and support stability is good, can be used for the simulation of colliery combined mining working face such as multiple angle slope, steepness slope, and also can provide reliable and stable support under the heavy load coal-winning machine load.

The utility model discloses a main technical scheme has:

an intelligent rotating platform comprises a rack, a connecting rod, a sleeve, an arc-shaped positioning device and a jack, wherein one middle part of the length direction of the rack is hinged to a rotating base, the rotating base is fixed relative to a concrete foundation, the other middle part of the rack is supported on the concrete foundation through the jack, the rack is hinged to the jack and the jack are hinged to the concrete foundation, one end of the rack is hinged to one end of the connecting rod, the other end of the connecting rod is inserted into the sleeve from one end of the sleeve, the other end of the sleeve is connected to the concrete foundation through a hinged base, a plurality of first positioning holes are formed in the connecting rod at intervals, one end of the sleeve is provided with a first pin hole, the arc-shaped positioning device is installed on the concrete foundation, at least one row of a plurality of second positioning holes which are arranged according to the arc-shaped intervals are formed in the arc-shaped positioning device, the circular arc center of a circle is located on the rotation center axis of the rotating base, the other end of the rack is provided with a second pin hole, all second positioning holes which are arranged at intervals on the first positioning hole and the same circular arc and a plurality of positions which can be stably located on the rack are in one-to-one correspondence, when the rack is located at one of the positions, the sleeve is simultaneously spliced with the first pin hole and the first positioning hole through the first positioning pin to realize fixation with the connecting rod, and the other end of the rack is simultaneously spliced with the second pin hole and the second positioning hole through the second positioning pin to realize fixation with the arc-shaped positioning device.

The intelligent rotary table can be provided with a first oil cylinder and a second oil cylinder, the cylinder barrel of the first oil cylinder is opposite to the sleeve barrel is fixed, the telescopic direction of the first oil cylinder is coaxial with the first pin hole, the first positioning pin is coaxially fixed at the end part of the extending end of the piston rod of the first oil cylinder, the cylinder barrel of the second oil cylinder is opposite to the arc-shaped positioning device, the telescopic direction of the second oil cylinder is coaxial with the second pin hole, the second positioning pin is coaxially fixed at the end part of the extending end of the piston rod of the second oil cylinder, the first oil cylinder, the second oil cylinder and the jack are controlled by an electromagnetic valve respectively, and the signal input end of the electromagnetic valve is connected to the same microprocessor.

The rack is preferably provided with a rotary encoder, and a signal output end of the rotary encoder is connected to the microprocessor.

Further, the intelligence revolving stage still preferably includes the high accuracy camera, be equipped with the hole in first locating pin and the second locating pin, install respectively in the hole high accuracy camera and power and signal transmission cable thereof, the signal output part access of high accuracy camera microprocessor.

Displacement sensors are preferably installed in the first oil cylinder and the second oil cylinder, and the signal output ends of the displacement sensors are connected to the microprocessor.

The arc-shaped positioning device can comprise a pair of vertical plates which are bilaterally symmetrical, each vertical plate is provided with a row of second positioning holes which are arranged at intervals according to an arc shape, the other end of the rack is positioned between the pair of vertical plates, the left side and the right side of the other end of the rack are respectively kept in a gap with the left vertical plate and the right vertical plate, and the left side and the right side of the other end of the rack are respectively provided with one second pin hole which respectively correspond to the second positioning holes on the left vertical plate and the right vertical plate. In this case, when the second cylinder is provided, the second cylinder is preferably a double-rod cylinder, and one second positioning pin is coaxially fixed to an end of the outward extending end of each piston rod and corresponds to the two second pin holes, respectively.

The end face of the vertical plate facing the rotating base is preferably an arc-shaped cylindrical end face.

The included angle of a plurality of positions, in which the racks can be stably located, corresponding to the first positioning holes and all the second positioning holes arranged on the same circular arc at intervals in a one-to-one mode is preferably within the range of 0-65 degrees relative to the horizontal plane.

The utility model has the advantages that:

the utility model discloses be equipped with the first locating hole and the second locating hole of multiunit one-to-one, can support the rack on the angle of multiple difference on the one hand, realize combining the simulation of adopting the multiple inclined condition of working face, on the other hand combines rotating base, jack to provide the strong point that is more than two for the rack, forms hyperstatic structure for even the coal-winning machine is in under the heavy load operating mode the utility model discloses also can provide reliable and stable support for it, the security is higher, thereby ensures going on smoothly of simulation experiment.

The utility model discloses can remove first locating pin and second locating pin through the shrink of control cylinder is automatic the position locking of rack, then control jack action changes and revises the position of rack, the automatic installation of the overhanging first locating pin of completion of rethread control cylinder and second locating pin locks the rack on new position to the intelligence of each position of revolving stage has been realized adjustable.

The utility model discloses a set up displacement sensor, high accuracy camera and rotary encoder, grasp the position change of first locating pin, second locating pin and rack in real time, ensured the accuracy of automatic installation and automatic adjustment position.

Drawings

Fig. 1 is a schematic view of an embodiment of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic view of the arcuate positioning device of FIG. 1;

FIG. 4 is a right side view of FIG. 3;

FIG. 5 is a schematic structural view of one embodiment of the locating pin.

Reference numerals: 1. a rack; 2. a connecting rod; 3. a sleeve; 4. a jack; 5. an arc-shaped positioning device; 6. a cylinder block; 7. a first cylinder; 8. a first positioning pin; 9. a high-precision camera; 10. a second cylinder; 11. a second positioning pin; 12. rotating the base; 13. concrete foundation.

Detailed Description

The utility model discloses an intelligence revolving stage (revolving stage for short), as shown in fig. 1-5, including rack 1, connecting rod 2, sleeve 3, arc positioner 5 and jack 4. One position in the middle part of the length direction of the rack is hinged to a rotary base 12, the rotary base is fixed relative to a concrete foundation 13, the other position in the middle part of the rack is supported on the concrete foundation through a jack, and the rack is hinged to the jack and the concrete foundation. One end (corresponding to the higher end in fig. 1) of the stand is hinged to one end of the connecting rod, the other end of the connecting rod is inserted into the sleeve from one end of the sleeve, and the other end of the sleeve is hinged relative to the concrete foundation. A plurality of first positioning holes are formed in the connecting rod at intervals, and one end of the sleeve is provided with a first pin hole. The arc-shaped positioning device is installed on the concrete foundation, at least one row of a plurality of second positioning holes are arranged on the arc-shaped positioning device at intervals in an arc shape, and the circle center of the arc shape is located on the rotating central axis of the rotating base. The other end of the rack is provided with a second pin hole.

The links 2, sleeves 3, arc-shaped positioning means 5, jacks 4 and rotating base 12 constitute an adjustable-position support system for supporting and stabilizing the gantry in a number of different positions.

The first positioning holes correspond to all the second positioning holes which are arranged on the same arc at intervals and a plurality of positions where the rack can be stably located one by one. When the rack is located at one position, the sleeve is simultaneously spliced with the first pin hole and the first positioning hole through the first positioning pin 8 to realize fixation with the connecting rod, and the other end (corresponding to the lower end in the figure 1) of the rack is simultaneously spliced with the second pin hole and the second positioning hole through the second positioning pin 11 to realize fixation with the arc-shaped positioning device.

The inclination angle of the rack is changed once every time when another group of corresponding first positioning hole and second positioning hole are replaced to be respectively matched with the first positioning pin and the second positioning pin in a pin hole mode.

The jacks can be two and are symmetrically arranged on two sides of the sleeve in the width direction of the rack.

The intelligent rotating platform is preferably provided with a first oil cylinder 7 and a second oil cylinder 10, a cylinder barrel of the first oil cylinder is fixed relative to the sleeve, the telescopic direction of the first oil cylinder is coaxial with the first pin hole, and the first positioning pin is coaxially fixed at the end part of the extending end of the piston rod of the first oil cylinder; the cylinder barrel of the second oil cylinder is fixed relative to the arc-shaped positioning device, the stretching direction of the second oil cylinder is coaxial with the second pin hole, and the second positioning pin is coaxially fixed at the end part of the extending end of the piston rod of the second oil cylinder. The first oil cylinder, the second oil cylinder and the jack are respectively controlled by an electromagnetic valve, and signal input ends of the electromagnetic valves are all connected to the same microprocessor. The microprocessor and the electromagnetic valve respectively control the first oil cylinder and the second oil cylinder to act, the first positioning pin is inserted into or pulled out of the first pin hole and one first positioning hole by utilizing the automatic stretching of the first oil cylinder, and the second positioning pin is inserted into or pulled out of the second pin hole and the corresponding second positioning hole by utilizing the automatic stretching of the second oil cylinder.

The oil cylinder is used for automatic pin inserting/pulling operation of part or all links, so that the automation level of position adjustment of the rotating platform is improved. The microprocessor is a command center for realizing automatic control, and the control also comprises the step of indirectly controlling the jack to move to finely adjust the position of the rack by sending an instruction to the electromagnetic valve in addition to controlling the first oil cylinder and the second oil cylinder to move.

In the embodiment shown in the drawings, an oil cylinder seat 6 is fixed on the sleeve, and the first oil cylinder is arranged in the oil cylinder seat 6.

The rotary encoder is preferably arranged on the rack, and a signal output end of the rotary encoder is connected to the microprocessor, so that the microprocessor can master the angle of the rack in real time.

Further, the rotating platform is preferably equipped with a high-precision camera 9, stepped holes may be formed in the first positioning pin and the second positioning pin, as shown in fig. 5, the high-precision camera, a power cable and a signal transmission cable thereof are respectively installed in the holes, and a signal output end of the high-precision camera is connected to the microprocessor. The high-precision camera is used for monitoring the positions of the first positioning pin and the second positioning pin relative to the first positioning hole and the second positioning hole respectively, the output of the high-precision camera is returned to the microprocessor, the microprocessor can judge whether the first positioning pin and the first positioning hole are coaxial or not and whether the second positioning pin and the second positioning hole are coaxial or not through identification, calculation and analysis of returned image information, and when the first positioning pin and the second positioning pin are not inserted into the corresponding positioning holes, the coaxial positioning pin has a basic condition of inserting the positioning pins into the corresponding positioning holes. If the positioning pin and the positioning pin are not coaxial, the microprocessor can send a rack fine adjustment instruction, the electromagnetic proportional valve controls the jack to slowly move, and the position of the rack is finely adjusted until the rack reaches a specified position, namely the first positioning pin and the second positioning pin and the corresponding first positioning hole and second positioning hole reach the coaxial position. Once the coaxial positioning pin is arranged, the microprocessor sends an installation instruction, the electromagnetic proportional valve controls the first oil cylinder and the second oil cylinder to act, the first positioning pin is inserted into the first positioning hole and the first pin hole, and the second positioning pin is inserted into the second positioning hole and the second pin hole, so that the intelligent installation of the first positioning pin and the second positioning pin is completed.

Preferably, displacement sensors are respectively installed in the first oil cylinder and the second oil cylinder so as to monitor the stretching amount of the corresponding oil cylinders in real time, and the stretching amount reflects the displacement or the position of the first positioning pin and the second positioning pin respectively. The signal output end of the displacement sensor is connected to the microprocessor, the measured value of the displacement sensor is fed back to the microprocessor, and the microprocessor can judge whether the first positioning pin and the second positioning pin are inserted into or pulled out of the first positioning hole and the second positioning hole or at what position in the inserting or pulling-out process.

One end of the first positioning pin and one end of the second positioning pin are machined with chamfers to facilitate the insertion operation of the respective positioning pins, and the chamfers may be preferably between 10 degrees and 20 degrees, and in the embodiment, are 15 degrees.

The distance between the other end of the connecting rod and the first positioning hole closest to the connecting rod is 100-150mm, and the distance between the first pin hole and one end of the sleeve is 50-100 mm.

In the embodiment shown in the drawings, the platform is in the form of a rectangular elongated plate. The diameters of the first pin hole and the first positioning hole are equal, and the diameters of the second pin hole and the second positioning hole are equal. The distance between the other end of the connecting rod and the first positioning hole closest to the connecting rod is 100mm, and the distance between the first pin hole and one end of the sleeve is 80 mm.

The platform frame preferably adopts a truss structure, has stable structure and strong bearing capacity, and reduces the weight of the platform frame as much as possible on the premise of ensuring the bearing capacity. The length of the rack can be 25-35m, the width can be 5-6m, and the rack can bear the largest coal mining machine at present so as to meet the experimental requirement of the largest coal mining machine.

In the embodiment shown in the drawings, the arc-shaped positioning device comprises a pair of vertical plates which are symmetrical left and right (corresponding to the left and right sides of fig. 2, and corresponding to the width direction of the stand), each vertical plate is provided with a row of second positioning holes which are arranged at intervals in an arc shape, the other end of the stand is positioned between the pair of vertical plates, the left side and the right side of the other end of the stand are respectively kept in a gap with the left vertical plate and the right vertical plate, and the left side and the right side of the other end of the stand are respectively provided with one second pin hole which respectively corresponds to the second positioning holes on the left vertical plate and the right vertical. In this case, when the second cylinder is provided, two single-rod cylinders may be employed as the second cylinders, corresponding to one row of the second positioning holes, respectively. In this embodiment, the second cylinder preferably adopts a double-rod cylinder, the second cylinder is disposed in a cylinder mounting hole which is coaxial and communicated with the two second pin holes in the other end of the rack, and the end of the extending end of each piston rod is coaxially fixed with one second positioning pin. When the piston rod of the second oil cylinder stretches, the two second positioning pins are simultaneously inserted into the second positioning holes and the second pin holes on the corresponding sides, or are simultaneously pulled out from the second positioning holes and the second pin holes on the corresponding sides.

The left side and the right side of the other end of the stand are respectively 5-10mm away from the left vertical plate and the right vertical plate, and the gap is 5mm in the embodiment shown in the attached drawing.

The end face of the vertical plate facing the rotating base is preferably an arc-shaped cylindrical end face. The distance from the second positioning hole to the arc-shaped columnar end face can be 100-150 mm.

The number and the positions of the first positioning holes and the second positioning holes determine how many different angles the rack can be stably positioned. The utility model discloses in, a plurality of position that the rack can be stably in is 0-65 degrees within ranges for the preferred control of the contained angle of horizontal plane to satisfy the simulation to the biggest inclination condition of present coal face.

The utility model discloses can remove first locating pin and second locating pin through the shrink of control cylinder is automatic the position locking of rack, then the action of control jack drives the relative telescopic of connecting rod, and then changes and revises the position of rack, the automatic installation of the overhanging first locating pin of completion of rethread control cylinder and second locating pin locks the rack in new position to the position intelligence of revolving stage has been realized adjustable. Because set up displacement sensor, high accuracy camera and rotary encoder on the revolving stage, can master the position change of first locating pin, second locating pin and rack in real time, consequently ensured the accuracy of automatic installation and the accuracy of rack position automatic adjustment.

Claims

1. An intelligent rotating platform is characterized in that: the concrete foundation positioning device comprises a rack, a connecting rod, a sleeve, an arc-shaped positioning device and a jack, wherein one middle part of the rack in the length direction is hinged on a rotary base, the rotary base is fixed relative to a concrete foundation, the other middle part of the rack is supported on the concrete foundation through the jack, the rack is hinged with the jack and the concrete foundation, one end of the rack is hinged with one end of the connecting rod, the other end of the connecting rod is inserted into the sleeve from one end of the sleeve, the other end of the sleeve is connected onto the concrete foundation through a hinged base, a plurality of first positioning holes are formed in the connecting rod at intervals, one end of the sleeve is provided with a first pin hole, the arc-shaped positioning device is installed on the concrete foundation, and at least one row of a plurality of second positioning holes which are arrayed according to the arc-shaped intervals is arranged on the arc-shaped positioning device, the circular arc center of a circle is located on the rotation center axis of the rotating base, the other end of the rack is provided with a second pin hole, all second positioning holes which are arranged at intervals on the first positioning hole and the same circular arc and a plurality of positions which can be stably located on the rack are in one-to-one correspondence, when the rack is located at one of the positions, the sleeve is simultaneously spliced with the first pin hole and the first positioning hole through the first positioning pin to realize fixation with the connecting rod, and the other end of the rack is simultaneously spliced with the second pin hole and the second positioning hole through the second positioning pin to realize fixation with the arc-shaped positioning device.

2. An intelligent rotary table as claimed in claim 1, wherein: the telescopic cylinder of the first oil cylinder is fixed relative to the sleeve, the telescopic direction of the first oil cylinder is coaxial with the first pin hole, the first positioning pin is coaxially fixed at the end part of the extending end of the piston rod of the first oil cylinder, the cylinder of the second oil cylinder is fixed relative to the arc-shaped positioning device, the telescopic direction of the second oil cylinder is coaxial with the second pin hole, the second positioning pin is coaxially fixed at the end part of the extending end of the piston rod of the second oil cylinder, the first oil cylinder, the second oil cylinder and the jack are controlled by an electromagnetic valve respectively, and the signal input ends of the electromagnetic valves are connected to the same microprocessor.

3. An intelligent rotary table as claimed in claim 2, wherein: the rack is provided with a rotary encoder, and the signal output end of the rotary encoder is connected to the microprocessor.

4. An intelligent rotary table as claimed in claim 3, wherein: the high-precision camera is characterized by further comprising a high-precision camera, holes are formed in the first positioning pin and the second positioning pin, the high-precision camera, a power supply and a signal transmission cable of the high-precision camera are respectively installed in the holes, and a signal output end of the high-precision camera is connected to the microprocessor.

5. An intelligent rotary table as claimed in claim 4, wherein: displacement sensors are respectively installed in the first oil cylinder and the second oil cylinder, and the signal output ends of the displacement sensors are connected to the microprocessor.

6. An intelligent rotary table as claimed in claim 5, wherein: the distance between the other end of the connecting rod and the first positioning hole closest to the connecting rod is 100-150mm, the distance between the first pin hole and one end of the sleeve is 50-100mm, and the diameters of the first pin hole and the first positioning hole are equal.

7. An intelligent rotary table as claimed in claim 5, wherein: the rack is of a truss structure, and the length of the rack is 25-35m, and the width of the rack is 5-6 m.

8. An intelligent rotary table as claimed in claim 2, 3, 4, 5, 6 or 7, wherein: the arc-shaped positioning device comprises a pair of vertical plates which are bilaterally symmetrical, a row of second positioning holes which are arranged at intervals in an arc shape is formed in each vertical plate, the other end of the rack is located between the pair of vertical plates, gaps are respectively kept between the left side and the right side of the other end of the rack and the left and right vertical plates, the left side and the right side of the other end of the rack are respectively provided with one second pin hole which respectively correspond to the second positioning holes in the left and right vertical plates, the second oil cylinder is a double-rod oil cylinder, and one second positioning pin is coaxially fixed at the end part of the extending end of each piston rod and respectively corresponds to the two second pin holes.

9. An intelligent rotary table as claimed in claim 8, wherein: the end face, facing the rotating base, of the vertical plate is an arc-shaped columnar end face.

10. An intelligent rotary table as claimed in claim 8, wherein: the included angle of a plurality of positions, in which the racks can be stably positioned, corresponding to the first positioning holes and all the second positioning holes arranged on the same circular arc at intervals in a one-to-one mode is in the range of 0-65 degrees relative to the horizontal plane.