CN110194380B - Capacity increasing transformation method for transmission unit of readjusting machine - Google Patents
Capacity increasing transformation method for transmission unit of readjusting machine Download PDFInfo
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- CN110194380B CN110194380B CN201910414466.9A CN201910414466A CN110194380B CN 110194380 B CN110194380 B CN 110194380B CN 201910414466 A CN201910414466 A CN 201910414466A CN 110194380 B CN110194380 B CN 110194380B
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- readjusting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/24—Unloading land vehicles
- B65G67/32—Unloading land vehicles using fixed tipping installations
- B65G67/48—Vehicle tipplers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a capacity increasing transformation method for a transmission unit of a readjusting machine, which comprises a readjusting machine body and a hydraulic system, wherein the capacity increasing transformation technology is divided into a mechanical transformation technical scheme and an electrical transformation technical scheme. The invention aims to provide a readjusting machine transmission unit capacity-increasing transformation technology, which meets the requirements of a train for receiving and unloading, reduces the receiving and unloading pressure of the current railway, reduces the first-stage unloading, improves the traction force of two readjusting machines in the first stage by about 20 percent, improves the working efficiency of a tipper system and ensures the normal work of a power plant; after the replacement of the slide cable and the control cable of the re-adjusting machine and the air conditioner is finished, the frequent defect caused by the aging of the cable is eliminated, and a plurality of spare cores are added; the upper computer and the PLC system are upgraded, modified and configured, and the phenomenon of dead halt which often occurs is eliminated.
Description
Technical Field
The invention relates to the technical field of resetting machine equipment, in particular to a method for increasing capacity and transforming a transmission unit of a resetting machine.
Background
The heavy car shunting machine is used as a matching device for the unloading operation of the tippler, can pull the whole train filled with coal to a certain position, transfer a heavy car into the tippler body, and push an empty car to the transfer platform. The readjusting machine is driven by a gear rack, the total power of a driving motor is 5 multiplied by 63kW, the rated traction force is 450kN, the maximum instantaneous traction force of a rear hook is 500kN, the rated traction constant is 5000T, and a DVF-1100PR-20 speed reducer of Sumitomo in Japan is adopted. The speed changing device of the readjusting machine is an AB700s series, one-to-five type.
If the current heavy shunting machine pulls a 6000T train, the equipment is operated with 120% overload, 5 existing driving devices can not meet the requirements, the equipment is easy to produce overload fatigue damage, the service life of the equipment is shortened, a walking gear and a rack are broken after overload, a high-strength bolt is broken, even the gear inside a speed reducer is damaged, the reliability of a tipper system is seriously threatened, the working efficiency of the tipper system is greatly influenced, even the running is interrupted, and the normal work of a power plant is influenced.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a method for increasing capacity and transforming a transmission unit of a reconditioning machine, which meets the requirements of a train for loading and unloading, reduces the loading and unloading pressure of the current railway, reduces the first-stage unloading, improves the traction force of two reconditioning machines in the first stage by about 20 percent, improves the working efficiency of a tipper system and ensures the normal work of a power plant.
The technical scheme adopted by the invention for solving the technical problems is as follows: a capacity-increasing transformation method for a transmission unit of a readjusting machine comprises a readjusting machine body and a hydraulic system, wherein the capacity-increasing transformation technology is divided into a mechanical transformation technical scheme and an electrical transformation technical scheme:
the technical scheme of the engineering improvement is as follows:
(1) opening a driving mounting hole at a designated position on a readjusting machine body on site, and fixing an upper positioning flange and a lower positioning flange of the newly added transmission unit and a reinforcing rib plate; the steps of installing the upper and lower positioning flanges are as follows: the upper flange is arranged at the designated position of the speed reducer, then the speed reducer and the upper flange are integrally arranged in a driving mounting hole of the readjusting machine body, and the lower flange is arranged in place from the bottom of the readjusting machine body; the positions of the speed reducer and the upper and lower flanges are adjusted to ensure that the meshing precision of the driving pinion and the rack of the newly-installed speed reducer is consistent with that of the driving pinion and the rack of the original equipment; after the speed reducer, the upper flange and the lower flange are integrally and accurately positioned, spot welding is carried out on the upper flange and the lower flange and the readjusting machine body; after the upper flange and the lower flange are welded, the speed reducer is disassembled, the specified position of the upper flange is marked, and a threaded hole is drilled in a matching manner;
(2) installing a set of new transmission device by utilizing the upper and lower positioning flanges;
the technical scheme of electrical transformation is as follows:
(1) the power supply cabinet G52-4 switch is replaced, power elements in the G52-4 switch cabinet are correspondingly increased, and the rated current is 1000A;
(2) the readjusting machine is in a one-to-six mode, 6 motors are driven by the same frequency converter, and elements such as a circuit breaker, an alternating current contactor, a fuse, a motor brake loop, a motor fan cooling motor loop and the like of a main loop of the readjusting machine meet the requirements after capacity increase;
(3) 1 set of power cables from the power cabinet to the motor are added to the readjusting machine, and the readjusting machine comprises power cables from the power cabinet of a power distribution room to a local junction box and a special sliding cable from the local junction box to a vehicle body driving motor through a cable pulley;
(4) replacing a re-tuning on-site cable transfer box (comprising an internal terminal), and adopting a high-quality corrosion-resistant hinge and a lock;
(5) power cables and mounting auxiliary materials in and among corresponding electrical cabinets are added; replacing original sliding cables and control cables of the re-adjusting machine and the air conditioner of the two car dumper, and leveling the track of the cable sliding vehicle;
(6) upgrading a processor of the PLC system, and simultaneously upgrading programming software and programs;
(7) and upgrading the upper computer and simultaneously upgrading the program system.
Preferably, transmission includes motor, speed reducer, plum blossom shape elastic coupling, baffle, support bucket, it is equipped with the support bucket to go up flange upper portion, support the bucket and pass through bolted connection with last flange, it is equipped with plum blossom shape elastic coupling to support the inside plum blossom shape elastic coupling that is equipped with of bucket, the baffle sets up in plum blossom shape elastic coupling, the motor sets up on supporting bucket upper portion, it is provided with the speed reducer to go up between flange and the lower flange.
Preferably, a washer is disposed between the support barrel and the bolt.
Preferably, the adapter box is made of 316L stainless steel, and the thickness of the adapter box is 2 mm.
Preferably, the programming software and program are upgraded from concept to unity.
Preferably, the upper computer is DIGGCOM DCS400F model.
The invention has the advantages that:
the invention has the advantages that 5 drive motors of the original speed reducers of the readjusting machine are increased to 6, the frequency converter is changed into a one-driving-six type, the rated traction fixed number of the readjusting machine is increased to 6000t from 5000t, the rated traction force of a rear hook is increased to 600kN from 500kN, the requirements of connecting and disconnecting the Shenhua 66-section marshalling train can be met, the connecting and disconnecting pressure of the current railway is reduced, the first-stage adjusting and disconnecting is reduced, and the traction force of the two readjusting machines in the first stage is improved by about 20%. When the common vehicle is unloaded, the load of the single walking gear and the rack is reduced. After the replacement of the slide cable and the control cable of the re-adjusting machine and the air conditioner is finished, the frequent defect caused by the aging of the cable is eliminated, and a plurality of spare cores are added; the upper computer and the PLC system are upgraded, modified and configured, and the phenomenon of dead halt which often occurs is eliminated. The invention aims to provide a capacity increasing and transforming technology for a re-adjusting machine transmission unit, which meets the requirements of a receiving and unloading train, reduces the receiving and unloading pressure of the current railway, improves the working efficiency of a tipper system and ensures the normal work of a power plant.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of the heavy-duty shunting machine of the present invention.
Fig. 2 is a schematic structural diagram of a retuning locomotive body according to the present invention.
Fig. 3 is a cross-sectional view taken at a-a of fig. 2 in accordance with the present invention.
Fig. 4 is a schematic structural diagram of the present invention.
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4 in accordance with the present invention.
FIG. 6 is a cross-sectional view taken at B-B of FIG. 4 in accordance with the present invention.
Fig. 7 is a schematic diagram of the car dumper MCC of the present invention.
Fig. 8 is a layout diagram of the frequency converter of the retune machine of the present invention.
Wherein:
1. the device comprises a transmission device, 2, a readjustment locomotive body, 3, an upper flange, 4, a lower flange, 5, a speed reducer, 6, a motor, 7, a quincunx elastic coupling, 8, a supporting barrel, 9, a baffle, 10, power cabinets G52, 11, control cabinets G11, 12, control cabinets G12, 13, control cabinets G13, 14 and a control cabinet G14.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
A capacity-increasing transformation method for a transmission unit of a readjusting machine comprises a readjusting machine body 2 and a hydraulic system, wherein the capacity-increasing transformation technology is divided into a mechanical transformation technical scheme and an electrical transformation technical scheme:
as shown in fig. 1 to 6, the technical scheme of the engineering modification is as follows:
(1) a driving mounting hole is formed in a designated position on the readjusting machine body 2 on site, and an upper positioning flange and a lower positioning flange of the newly added transmission unit and a reinforcing rib plate are fixed; the steps of installing the upper and lower positioning flanges are as follows: the upper flange 3 is arranged at the designated position of the speed reducer 5, then the speed reducer 5 and the upper flange 3 are integrally arranged in the driving mounting hole of the readjusting machine body 2, and the lower flange 4 is arranged in place from the bottom of the readjusting machine body 2; the positions of the speed reducer 5 and the upper and lower flange are adjusted to ensure that the meshing precision of the driving pinion and the rack of the newly-installed speed reducer 5 is consistent with the meshing precision of the driving pinion and the rack of the original equipment; after the speed reducer 5 and the upper and lower flanges are integrally and accurately positioned, spot welding is carried out on the upper and lower flanges and the readjusting machine body 2; after the upper flange and the lower flange are welded, the speed reducer 5 is disassembled, the specified position of the upper flange 3 is marked, and a threaded hole is drilled in a matching way;
(2) a set of new transmission device 1 is installed by utilizing the upper and lower positioning flanges; transmission 1 includes motor 6, speed reducer 5, plum blossom shape elastic coupling 7, baffle 9, support bucket 8, 3 upper portions of upper flange are equipped with support bucket 8, support bucket 8 and upper flange 3 pass through bolted connection, support the inside plum blossom shape elastic coupling 7 that is equipped with of bucket 8, baffle 9 sets up in plum blossom shape elastic coupling 7, motor 6 sets up on support bucket 8 upper portion, be provided with speed reducer 5 between upper flange 3 and the lower flange 4.
The technical scheme of electrical transformation is as follows:
the driving power of the motor of the shunting machine of the heavy vehicle is changed from 5 multiplied by 63kW to 6 multiplied by 63kW, and the relevant electric power and control loop are correspondingly changed.
As shown in fig. 7, the main power supply of the tippler is the drawer of the MCC power cabinet G52-4 of the tippler.
As shown in fig. 8, the frequency conversion control system of the tipper is composed of four cabinet bodies, namely a control cabinet G1111, a control cabinet G1212, a control cabinet G1313 and a control cabinet G1414. Original control cabinet G11: 600 × 800 × 2200 (width × depth × height, unit: mm, the same applies below), control cabinet G12, control cabinet G13, and control cabinet G14 are all: 1200*800*2200.
2.1, replacing a switch of the power supply cabinet G5210-4, correspondingly increasing power elements in the power supply cabinet G5210-4, and meeting the requirement after capacity expansion, wherein the rated current is 1000A;
and 2.2, replacing the frequency converter group of the readjusting machine. The original AB700s frequency converter of the retuning machine is configured by one-to-five, and the heavy-load power is 355 kW. The following requirements are met after modification:
(1)6 motors are driven by the same frequency converter, the frequency converter is of an ABB brand, and the heavy-load power is higher than 398 kW.
(2) The control cabinet G1111, the control cabinet G1212, the control cabinet G1313 and the control cabinet G1414 are integrally replaced, and the total length after replacement is 3200 mm. The cabinet body adopts high-quality corrosion-resistant hinges and locks. And when the door is in normal operation, the door is closed. The frequency converter has a good heat dissipation means, and the phenomenon of overheating is avoided during operation.
(3) And reasonably arranging components in the cabinet according to the positions of the cable inlet and outlet lines.
(4) The main motor loop of the readjusting machine is changed from a five-in-one mode to a six-in-one mode, and elements such as a circuit breaker, an alternating current contactor, a fuse, a motor brake loop, a motor fan cooling motor loop and the like of the readjusting machine main loop meet the requirements after capacity increasing. The rated current of the whole reset machine is considered as 1000A.
(5) The protection grade of the replaced frequency converter group cabinet is not lower than IP 42. The communication and control of the frequency converter need to be effectively compatible with the original AB frequency converter. Two sets of filter screens are added to the frequency converter cabinet to serve as random spare parts, and the frequency converter cabinet set needs ABB authorization.
(6) The new frequency converter is selected from Finland ABB ACS880 series, and the heavy-load current is not lower than 131 x 6-786A. The communication and control of the frequency converter need to be effectively compatible with the original AB frequency converter.
2.3 the reconditioner adds 1 set of power cables from the power cabinet to the motor (including power cable ZRC-YJV-13 50mm2 from the switchboard power cabinet to the local junction box and a special cable CEFR/SA 1 50mm2 from the local junction box through the cable pulley to the vehicle body drive motor).
And 2.4, replacing the local cable transfer box (comprising an internal terminal) of the reset machine. The adapter box is made of 316L stainless steel, the thickness of the adapter box is 2mm, the color of the box body is RAL7032, high-quality corrosion-resistant hinges and locks are adopted, and the protection grade reaches IP 65.
And 2.5, adding corresponding power cables and auxiliary mounting materials in the electrical cabinet and between the cabinets.
And 2.6, replacing original sliding cables and control cables of the re-tuning machine and the air conditioner of the two car dumper, and leveling the track of the cable pulley.
2.7, the PLC system, the model of the original processor is 140CPU11303, the maximum memory of the processor is 512K, the phenomenon of dead halt easily occurs due to overhigh memory occupation after the running time is longer, the processor is upgraded after being transformed, and simultaneously programming software and programs are upgraded to unitypro from concept. To avoid a change in hardware configuration, the upgrade CPU occupies a single slot as in 11303, and the corresponding Quantum module is 140CPU 53414B.
2.8, the configuration of the upper computer used at present is lower, the phenomenon of crash often appears, in order to cooperate with the system software upgrading, the upper computer is changed into DIGGCOM DCS400F model, the upper computer upgrades, carries on the program system upgrade at the same time.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The capacity-increasing transformation method of the re-adjusting machine transmission unit comprises a re-adjusting machine body and a hydraulic system, and is characterized in that the capacity-increasing transformation comprises machine engineering transformation and electrical transformation:
the mechanical engineering reconstruction is as follows:
(1) opening a driving mounting hole at a designated position on a readjusting machine body on site, and fixing an upper positioning flange and a lower positioning flange of the newly added transmission unit and a reinforcing rib plate; the steps of installing the upper and lower positioning flanges are as follows: the upper flange is arranged at the designated position of the speed reducer, then the speed reducer and the upper flange are integrally arranged in a driving mounting hole of the readjusting machine body, and the lower flange is arranged in place from the bottom of the readjusting machine body; the positions of the speed reducer and the upper and lower flanges are adjusted to ensure that the meshing precision of the driving pinion and the rack of the newly-installed speed reducer is consistent with that of the driving pinion and the rack of the original equipment; after the speed reducer, the upper flange and the lower flange are integrally and accurately positioned, spot welding is carried out on the upper flange and the lower flange and the readjusting machine body; after the upper flange and the lower flange are welded, the speed reducer is disassembled, the specified position of the upper flange is marked, and a threaded hole is drilled in a matching manner;
(2) installing a set of new transmission device by utilizing the upper and lower positioning flanges;
the electrical transformation comprises the following steps:
(1) the power supply cabinet G52-4 switch is replaced, power elements in the G52-4 switch cabinet are correspondingly increased, and the rated current is 1000A;
(2) the readjusting machine is in a one-to-six mode, 6 motors are driven by the same frequency converter, and circuit breakers, alternating current contactors, fuses, motor brake loops and motor fan cooling motor loop elements of a main loop of the readjusting machine all meet the requirements after capacity increase;
(3) 1 set of power cables from the power cabinet to the motor are added to the reset machine, and the reset machine comprises the power cables from the power cabinet of the power distribution room to the local junction box and a special sliding cable from the local junction box to the vehicle body driving motor through a cable pulley;
(4) replacing the on-site cable transfer box of the readjusting machine, and adopting a high-quality corrosion-resistant hinge and a lock;
(5) power cables and mounting auxiliary materials in and among corresponding electrical cabinets are added; replacing original sliding cables and control cables of the re-adjusting machine and the air conditioner of the two car dumper, and leveling the track of the cable sliding vehicle;
(6) upgrading a processor of the PLC system, and simultaneously upgrading programming software and programs;
(7) upgrade the host computer, carry out program system upgrade simultaneously, transmission includes motor, speed reducer, plum blossom shape elastic coupling, baffle, support bucket, it is equipped with the support bucket to go up flange upper portion, it passes through bolted connection with last flange to support the bucket, it is equipped with plum blossom shape elastic coupling to support the inside plum blossom shape elastic coupling that is equipped with of bucket, the baffle sets up in plum blossom shape elastic coupling, the motor sets up on supporting bucket upper portion, it is provided with the speed reducer to go up between flange and the lower flange.
2. The method for carrying out capacity-increasing transformation on the transmission unit of the reconditioning machine according to claim 1, wherein a gasket is arranged between the support barrel and the bolt.
3. The method for performing capacity-increasing transformation on the transmission unit of the reconditioning machine according to claim 1, wherein the adapter box is made of 316L stainless steel, and the thickness of the adapter box is 2 mm.
4. The method for carrying out capacity expansion transformation on the transmission unit of the readjusting machine according to claim 1, wherein the programming software and the program are upgraded from concept to unity.
5. The method for carrying out capacity increasing transformation on the transmission unit of the readjusting machine according to claim 1, wherein the upper computer is DIGGCOM DCS 400F.
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| CN201910414466.9A CN110194380B (en) | 2019-05-17 | 2019-05-17 | Capacity increasing transformation method for transmission unit of readjusting machine |
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| CN110194380B true CN110194380B (en) | 2021-09-24 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202966340U (en) * | 2012-12-06 | 2013-06-05 | 大连三峰港口机械设备有限公司 | Shunting locomotive applied to unit train |
| CN203992897U (en) * | 2014-05-23 | 2014-12-10 | 山东大汉建设机械有限公司 | A kind of tower machine upper bracket turning motor ring flange positioner |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU421602A1 (en) * | 1971-06-28 | 1974-03-30 | А. С. Филиппов | DEVICE FOR UNLOADING CARS AND TRUCKS |
| CN203413107U (en) * | 2013-08-09 | 2014-01-29 | 华锐风电科技(集团)股份有限公司 | Connecting structure for gearbox lubricating system |
| CN208454012U (en) * | 2018-07-23 | 2019-02-01 | 大连天重散装机械设备有限公司 | A kind of improved tippler drive system |
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2019
- 2019-05-17 CN CN201910414466.9A patent/CN110194380B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202966340U (en) * | 2012-12-06 | 2013-06-05 | 大连三峰港口机械设备有限公司 | Shunting locomotive applied to unit train |
| CN203992897U (en) * | 2014-05-23 | 2014-12-10 | 山东大汉建设机械有限公司 | A kind of tower machine upper bracket turning motor ring flange positioner |
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