CN211498317U - Quick dismounting device for grinding wheel of railway line grinding wagon - Google Patents
Quick dismounting device for grinding wheel of railway line grinding wagon Download PDFInfo
- Publication number
- CN211498317U CN211498317U CN201921914962.2U CN201921914962U CN211498317U CN 211498317 U CN211498317 U CN 211498317U CN 201921914962 U CN201921914962 U CN 201921914962U CN 211498317 U CN211498317 U CN 211498317U
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- grinding wheel
- emery wheel
- rack
- grinding
- rod
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Abstract
The utility model relates to a railway lines grinding wagon emery wheel quick assembly disassembly device, including emery wheel dismouting driving system, emery wheel direction hoist system, fixed stay translation system, emery wheel dismouting driving system connects on emery wheel direction hoist system upper portion right side, emery wheel direction hoist system sub-unit connection fixed stay translation system, wherein emery wheel dismouting driving system is used for railway lines grinding wagon emery wheel fixing bolt's dismantlement and installation, and emery wheel direction hoist system is used for providing new and old emery wheel shelving platform and control platform lift direction, and fixed stay translation system is used for supporting whole emery wheel quick assembly disassembly device to for emery wheel direction hoist system provides shelving platform lift power, can make emery wheel quick assembly disassembly device remove along the rail direction simultaneously. The utility model provides a when the grinding wagon emery wheel is changed intensity of labour big, the operating efficiency is low, the safe risk is difficult such as high, can install appointed emery wheel more change position conveniently, accomplish the quick replacement operation of grinding wagon emery wheel.
Description
Technical Field
The utility model relates to a large-scale road maintaining mechanical equipment maintenance technical field of railway especially relates to a railway lines grinding wagon emery wheel quick assembly disassembly device.
Background
With the rapid development of railway industry in China, the problem of wheel-rail relationship between trains and rails is increasingly prominent. The wheels roll on the steel rails to generate friction, the wheels and the steel rails are used as rigid materials, the phenomena of adhesive wear, fatigue damage, scratch, peeling and the like occur, the rail surfaces of the steel rails are damaged, and the service life of the rails and the running safety of trains are influenced.
The rail grinding wagon is used as large-scale mechanized equipment for treating rail diseases, and plays a key role in line maintenance work in recent years. The rail grinding operation is to install a grinding wheel on a grinding motor of a rail grinding wagon, grind the surface of a rail by utilizing the grinding wheel rotating at a high speed, remove surface diseases of the rail, effectively repair the rail head outline to the outline matched with the wheel tread, slow down the development of surface defects of the rail, prolong the service life of the rail and ensure the safety of line operation.
The grinding wheel is a terminal part for realizing the rail grinding operation and is directly contacted with the rail. The abrasion rate of the grinding wheel is an important index for measuring the performance of the grinding wheel, the grinding wheel is consumed rapidly when a steel rail is ground, and after the steel rail is ground for a certain distance, the abrasion of the steel rail reaches the limit and needs to be replaced. 48 polishing heads and 96 polishing head series polishing carts used in China have the defects of large quantity of installed grinding wheels and large replacement workload. In addition, if the gravity center of the grinding wheel is not on the axis of the grinding wheel after a period of time, the grinding wheel rotates at high speed to generate centrifugal force to cause vibration, so that the abrasion of the grinding wheel is accelerated, and even the grinding wheel is broken, therefore, the timely replacement of the grinding wheel is a necessary condition for ensuring the safety of personnel and equipment.
At present, when the grinding wheel is replaced, manual operation is mainly relied on, an operator adopts squatting posture operation in an operation space with the height less than thirty centimeters, the old grinding wheel is detached and a new grinding wheel is lifted by one hand for replacement, the weight of one grinding wheel is about ten kilograms, the abnormal operation posture is kept for a long time, fatigue is easily caused, and the heavy object is lifted by one hand for a long time, so that potential safety hazards exist. Through field measurement, in the equipment maintenance work, the grinding wheel replacement operation occupies about one third of the maintenance time, the labor intensity is high, the operation efficiency is low, the safety risk is high, and the bottleneck for restricting the mechanized development of the railway line grinding operation is realized. Therefore, the equipping and the convenience of the grinding wheel replacing operation for the grinding vehicle are necessary requirements for the development of the grinding operation, the grinding wheel replacing device which is miniaturized and low in maintenance cost can improve the flexibility of the grinding operation, and the grinding wheel replacing device has important practical significance for meeting the grinding maintenance requirements of railway lines.
Disclosure of Invention
The utility model aims at providing a railway lines grinding wagon emery wheel quick assembly disassembly device according to the not enough of above-mentioned prior art, through the cooperation of wheel dismouting driving system, emery wheel direction lift system, fixed stay translation system, realize the quick replacement of railway lines grinding wagon emery wheel.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a railway lines sanding vehicle emery wheel quick assembly disassembly device which characterized in that: the quick grinding wheel mounting and dismounting device comprises a grinding wheel mounting and dismounting power system, a grinding wheel guiding and lifting system and a fixed support translation system, wherein the grinding wheel mounting and dismounting power system is connected to the right side of the upper portion of the grinding wheel guiding and lifting system, the lower portion of the grinding wheel guiding and lifting system is connected with the fixed support translation system, the grinding wheel mounting and dismounting power system is used for dismounting and mounting a grinding wheel fixing bolt of a railway line grinding wagon, the grinding wheel guiding and lifting system is used for providing a new grinding wheel mounting platform and controlling the lifting direction of the platform, the fixed support translation system is used for supporting the whole grinding wheel quick mounting and dismounting device and providing mounting platform lifting power for the grinding wheel guiding and lifting system, and meanwhile, the.
The grinding wheel dismounting power system comprises an electric wrench and a lifting base, the electric wrench is connected with the lifting base through a telescopic rod and can freely adjust the height, and the lifting base is welded and fixed on the upper portion of the right side of the grinding wheel guiding lifting system.
The telescopic rod is composed of a basic rod and a loop bar, the basic rod is nested in the loop bar, a spring with a protruding end being a spherical steel ball is arranged on a rod body of the basic rod, a steel ball hole matched with the diameter and the position of the steel ball is arranged on the rod body of the loop bar, and the steel ball can be clamped in the steel ball hole to realize the position fixation between the basic rod and the loop bar.
The grinding wheel guide lifting system comprises a suspension support bent rod, a movable tray, two rack-type guide rods and a sleeve, one end of the suspension support bent rod is hinged to the sleeve, the other end of the suspension support bent rod is provided with a hook, and the sleeve is sleeved with one rack-type guide rod; the two rack-type guide rods are arranged in parallel, and two ends of the movable tray are respectively connected with the two rack-type guide rods and form sliding fit.
Two be provided with two and remove the tray between the rack type guide bar, wherein the one end of upper portion removal tray and one side constitute detachable connection between the cover has sheathed tube rack type guide bar, the other end and opposite side constitute articulated between the other end make the upper portion removes the tray can wind rack type guide bar horizontal rotation, the lower part removes the tray and can follow under the drive of fixed stay translation system rack type guide bar goes up and down.
The top of the rack-type guide rod in the sleeve is a semi-cylinder, and the top end of the semi-cylinder is hinged with the suspension support bent rod; the upper end and the lower end of the sleeve are provided with seals which are fixedly welded with the rack-shaped guide rods.
The fixed support translation system comprises a jacking tray, an electric rack jack and an n-type base, wherein the jacking tray is welded on the top of the electric rack jack and can be driven to lift, the bottom of the electric rack jack is welded and fixed with the n-type base, and a socket matched with the steel rail is arranged on the n-type base.
The n-type base is composed of an n-type shell, a bottom bearing and side idler wheels, wherein the bottom bearing is arranged on the lower top surface of the socket, and the side idler wheels are arranged on the inner side of the socket.
A use method related to the quick dismounting device for the grinding wheel of the railway line grinding wagon is characterized in that: the method comprises at least the following steps:
after a hook lock of a suspension support bent rod of a grinding wheel guide lifting system is utilized, a grinding wheel quick dismounting device of a railway line grinding wagon is integrally fixed on a flange plate at the position of the railway line grinding wagon where the grinding wheel needs to be replaced;
a fixed support translation system is arranged below the grinding wheel guide lifting system, so that after the whole device is fixed, an upper moving tray in the grinding wheel guide lifting system is moved to the height of the grinding wheel to be replaced;
detaching an old grinding wheel from the railway line grinding wagon by using a grinding wheel dismounting power system, wherein the old grinding wheel falls into the upper movable tray, and the upper movable tray horizontally rotates around a rack-type guide rod at the hinged end of the upper movable tray to take out the old grinding wheel;
placing a new grinding wheel on a lower movable tray in a grinding wheel guide lifting system, wherein the lower movable tray lifts the new grinding wheel to rise under the jacking of a fixed support translation system until the new grinding wheel is mounted; and installing the new grinding wheel to the railway line grinding wagon by using the grinding wheel dismounting power system to finish the quick dismounting and replacing of the new grinding wheel and the old grinding wheel.
After the quick disassembly and assembly replacement of one grinding wheel is completed, the hook of the suspension support bent rod is loosened, the whole device is separated from the position of the grinding wheel and the height of the device is reduced, and the n-shaped base of the fixed support translation system is utilized to push the whole device to the next designated grinding wheel replacement position along the direction of the steel rail.
The utility model has the advantages that: simple structure, convenient operation, the security is high, and on-the-spot strong adaptability because the line sanding vehicle emery wheel mounted position is along rail direction linear arrangement, and the utility model discloses can follow rail direction and freely remove, can remove to another emery wheel position that needs to be changed from an emery wheel position fast, realize the quick assembly disassembly of emery wheel of polishing. Compare more swiftly with traditional artifical dismouting mode, safer, it is more efficient, can effectively practice thrift cost of labor and activity duration.
Drawings
Fig. 1 is a schematic view of the working state of the present invention;
FIG. 2 is a diagram of the components of the grinding wheel dismounting power system of the present invention;
FIG. 3 is a schematic view of the telescopic rod structure in the power system for disassembling and assembling the grinding wheel according to the present invention;
FIG. 4 is a diagram of the components of the guided lifting system of the grinding wheel according to the present invention;
FIG. 5 is a partial view of the suspension support curved bar of the present invention;
fig. 6 is a diagram of a movable tray assembly according to the present invention;
fig. 7 is a diagram of the middle fixing support translation system assembly of the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:
as shown in fig. 1-7, the labels 1-29 are respectively shown as: the grinding wheel assembling and disassembling power system comprises a grinding wheel assembling and disassembling power system 1, a grinding wheel guiding and lifting system 2, a fixed supporting translation system 3, an electric wrench 4, a lifting base 5, an expansion rod 6, a basic rod 7, a loop bar 8, a steel ball 9, a steel ball hole 10, a hanging supporting bent rod 11, a movable tray 12, a rack type guide rod 13, a sleeve 14, a hook 15, a fixed rod 16, a grinding wheel tray 17, a movable loop ring 18, a nut 19, a tray fixing bolt 20, a jacking tray 21, an electric rack jack 22, an n-shaped base 23, a rack jack 24, a motor 25, an n-shaped shell 26, a bottom bearing 27, a side roller 28 and a base fixing bolt 29.
Example (b): as shown in fig. 1, quick dismounting device for grinding wheel of railway line grinding wagon in this embodiment, its structure includes grinding wheel dismounting driving system 1, grinding wheel direction lift system 2, fixed support translation system 3, grinding wheel dismounting driving system 1 is connected at 2 upper portions one end of grinding wheel direction lift system through the welding mode, 2 laminating connections of grinding wheel direction lift system are fixed on the jacking dish of fixed support translation system 3, fixed support translation system 3 fixed mounting is on the rail, contact department sets up the pulley with rail side and top surface at the support bottom, in order to realize that fixed support translation system is at the free movement along the rail longitudinal, thereby along the quick dismounting replacement of railway line grinding wagon grinding wheel.
As shown in fig. 2 and 3: the grinding wheel dismounting power system 1 is composed of a specially-made electric wrench 4 and a lifting base 5, wherein the lifting base 5 is fixedly welded on the outer side of a sleeve 14 of the grinding wheel guide lifting system 2, and the whole grinding wheel dismounting power system 1 is guaranteed to be fixed. The electric wrench 4 is fixed along the horizontal direction and is connected with the lifting base 5 through a telescopic rod 6, the telescopic rod 6 consists of a basic rod 7 and a loop bar 8, the upper part of the basic rod 7 is provided with a steel ball 9 with a spring, and the steel ball 9 can be elastically stretched by the spring. The corresponding steel ball hole 10 that sets up a batch of the same interval in loop bar 8 bottom, loop bar 8 parcel basic pole 7, basic pole 7 can the up-and-down motion, when steel ball 9 stretches out from steel ball hole 10, the position can remain fixed between loop bar 8 and the basic pole 7 to guarantee the structural stability of emery wheel dismouting driving system 1 when using, this kind of mode can realize simultaneously that electric spanner 4 can both normal use when not co-altitude demand. When the height of the electric wrench 4 needs to be adjusted, the steel ball 9 is pressed into the sleeve 8 from the steel ball hole 10, so that the fixing between the sleeve rod 8 and the basic rod 7 can be released, and the height adjustment of the electric wrench 4 is realized.
As shown in fig. 4 and 5, the grinding wheel guiding and lifting system 2 is composed of a hanging and supporting bent rod 11, a movable tray 12, a rack-type guide rod 13 and a sleeve 14 thereof, one end of the hanging and supporting bent rod 11 is hinged with the sleeve 14 to realize free rotation of the hanging and supporting bent rod 11 around the sleeve 14 in the horizontal direction, a bent hook 15 is arranged at the end part of the other end of the hanging and supporting bent rod 11, and the bent hook 15 can hook a fixed rod 16 at the upper part of the rack-type guide rod 13 at the other side to achieve the purpose of fixing the grinding wheel guiding and lifting system 2, so that the structural stability of the grinding wheel guiding and lifting system 2 in use is ensured, and meanwhile, the installation and the removal of the grinding wheel. The top of the rack-shaped guide rod 13 at the other side is a semi-cylinder, and the top end of the semi-cylinder is connected with the hanging support bent rod 11 in a hook locking mode. The upper end and the lower end of the sleeve 14 are provided with seals which are welded and fixed with the rack-type guide rod 13.
As shown in fig. 6, the movable tray 12 is connected to the rack-type guide bar 13 by a fixing bolt. The movable tray 12 is composed of a grinding wheel tray 17 and a movable lantern ring 18, nuts 19 with bolt holes are welded at the bottoms of the two sides of the grinding wheel tray 17, the movable lantern ring 18 is provided with the bolt holes at the corresponding position, when in use, after the grinding wheel tray 17 is moved to a proper position, a tray fixing bolt 20 is screwed into the two bolt holes to clamp the rack-type guide rod 13, and then the grinding wheel tray 17 can be fixed. The rack-type guide bar 13 is a full-saw-tooth screw to facilitate free rotation of the grinding wheel tray 17 along the rack.
As shown in fig. 7, the fixed support translation system 3 is composed of a jacking tray 21, an electric rack jack 22 and an n-type base 23. The jacking tray 21 is connected with the electric rack jack 22 in a welding mode, the uniformity of a stressed contact surface is guaranteed during jacking, the electric rack jack 22 is fixedly connected with the n-type base 23 in a welding mode, and the n-type base 23 is fixed on a steel rail and can move along the direction of the steel rail. The electric rack jack 22 is composed of a rack jack 24 and a motor 25, the motor 25 is meshed with a gear of the rack jack 24, and the motor 25 controls the lifting of the gear jack 24. The n-shaped base 23 is composed of an n-shaped shell 26, a bottom bearing 27 and side rollers 28, wherein the n-shaped shell 26 is provided with a socket matched with the structural form of the steel rail, the n-shaped shell 26 on one side of the socket is provided with a bolt hole, and the fixing of the fixed support translation system 3 on the steel rail is realized by screwing a fixing bolt 29 into the bolt hole. The bottom bearing 27 is arranged on the top surface of the bell mouth of the n-shaped shell 26 and is positioned on the top surface of the steel rail, the side rollers 28 are arranged on the two side surfaces of the inner side of the bell mouth and are positioned on the side surfaces of the steel rail, and the bottom bearing 27 and the side rollers 28 can form rolling fit with the steel rail so as to realize the free movement of the fixed support translation system 3 along the direction of the steel rail.
When the device for quickly disassembling and assembling the grinding wheel of the railway line grinding wagon in the embodiment is used, the following operation flow steps are provided:
the first step is as follows: the staff fixes emery wheel direction hoist system 2 on waiting to change the ring flange of emery wheel department at first, then will hang hook 15 that supports bent rod 11 one end and be connected with dead lever 16 and collude, whole device upper portion just fixes on the ring flange, then, in the bolt hole of screw cap 19 on upper portion emery wheel tray 17 both sides and the bolt hole of activity lantern ring 18 with tray fixing bolt 20 screw in, tray fixing bolt 20 blocks the rack of rack type guide bar 13, then, screw base fixing bolt 29 so that fixed stay translation system 3 is vertical to be fixed on waiting to change the emery wheel on the rail under.
The second step is that: the staff adjusts electric spanner 4 to suitable position through telescopic link 6, uses electric spanner 4 to demolish the bolt of the fixed emery wheel of polishing in the ring flange, treats the bolt and loosens the back, and old emery wheel of polishing falls into the emery wheel tray 17 that is located upper portion automatically, and 18 one side rotatory suitable angles of movable sleeve ring can be followed to the tray to realize rotatory keeping away empty, solve the narrow and small problem in space under the car of polishing, be convenient for take out old emery wheel of polishing safely fast.
The third step: the staff places new emery wheel of polishing in the emery wheel tray 17 that is located the below, start motor 25 of electronic rack jack 22, motor 25 drives the crank and rotates, rack jack 24's zigzag telescopic link begins the rebound, jacking tray 21 begins to lift emery wheel tray 17 the ascending jacking that is located the below of placing new emery wheel, treat the jacking to the new emery wheel of polishing and the close back of pasting of ring flange bolt hole counterpoint, use electric wrench 4 to screw the fixing bolt between emery wheel of polishing and the ring flange, the back is installed to the emery wheel, the sawtooth telescopic link of rack jack 24 descends, lower part emery wheel tray also descends thereupon, it returns initial position to rotate upper portion emery wheel tray, the staff inspects the emery wheel of polishing that has changed.
The fourth step: after completing the assembly and disassembly of a grinding wheel, the hook 15 connecting one end of the suspension support bent rod 11 with the fixed rod 16 is loosened, then the electric rack jack 22 is operated to lower the height of the whole device, the bottom bearing 27 and the side roller 28 are utilized to push the whole device to the next grinding wheel to be replaced along the steel rail direction, and the operation is repeated.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims.
Claims (8)
1. The utility model provides a railway lines sanding vehicle emery wheel quick assembly disassembly device which characterized in that: the quick grinding wheel mounting and dismounting device comprises a grinding wheel mounting and dismounting power system, a grinding wheel guiding and lifting system and a fixed support translation system, wherein the grinding wheel mounting and dismounting power system is connected to the right side of the upper portion of the grinding wheel guiding and lifting system, the lower portion of the grinding wheel guiding and lifting system is connected with the fixed support translation system, the grinding wheel mounting and dismounting power system is used for dismounting and mounting a grinding wheel fixing bolt of a railway line grinding wagon, the grinding wheel guiding and lifting system is used for providing a new grinding wheel mounting platform and controlling the lifting direction of the platform, the fixed support translation system is used for supporting the whole grinding wheel quick mounting and dismounting device and providing mounting platform lifting power for the grinding wheel guiding and lifting system, and meanwhile, the.
2. The device for quickly disassembling and assembling the grinding wheel of the railway line grinding wagon according to claim 1, wherein: the grinding wheel dismounting power system comprises an electric wrench and a lifting base, the electric wrench is connected with the lifting base through a telescopic rod and can freely adjust the height, and the lifting base is welded and fixed on the upper portion of the right side of the grinding wheel guiding lifting system.
3. The device for quickly disassembling and assembling the grinding wheel of the railway line grinding wagon according to claim 2, wherein: the telescopic rod is composed of a basic rod and a loop bar, the basic rod is nested in the loop bar, a spring with a protruding end being a spherical steel ball is arranged on a rod body of the basic rod, a steel ball hole matched with the diameter and the position of the steel ball is arranged on the rod body of the loop bar, and the steel ball can be clamped in the steel ball hole to realize the position fixation between the basic rod and the loop bar.
4. The device for quickly disassembling and assembling the grinding wheel of the railway line grinding wagon according to claim 1, wherein: the grinding wheel guide lifting system comprises a suspension support bent rod, a movable tray, two rack-type guide rods and a sleeve, one end of the suspension support bent rod is hinged to the sleeve, the other end of the suspension support bent rod is provided with a hook, and the sleeve is sleeved with one rack-type guide rod; the two rack-type guide rods are arranged in parallel, and two ends of the movable tray are respectively connected with the two rack-type guide rods and form sliding fit.
5. The device for quickly disassembling and assembling the grinding wheel of the railway line grinding wagon according to claim 4, wherein: two be provided with two and remove the tray between the rack type guide bar, wherein the one end of upper portion removal tray and one side constitute detachable connection between the cover has sheathed tube rack type guide bar, the other end and opposite side constitute articulated between the other end make the upper portion removes the tray can wind rack type guide bar horizontal rotation, the lower part removes the tray and can follow under the drive of fixed stay translation system rack type guide bar goes up and down.
6. The device for quickly disassembling and assembling the grinding wheel of the railway line grinding wagon according to claim 4, wherein: the top of the rack-type guide rod in the sleeve is a semi-cylinder, and the top end of the semi-cylinder is hinged with the suspension support bent rod; the upper end and the lower end of the sleeve are provided with seals which are fixedly welded with the rack-shaped guide rods.
7. The device for quickly disassembling and assembling the grinding wheel of the railway line grinding wagon according to claim 1, wherein: the fixed support translation system comprises a jacking tray, an electric rack jack and an n-type base, wherein the jacking tray is welded on the top of the electric rack jack and can be driven to lift, the bottom of the electric rack jack is welded and fixed with the n-type base, and a socket matched with the steel rail is arranged on the n-type base.
8. The device for quickly disassembling and assembling the grinding wheel of the railway line grinding wagon according to claim 7, wherein: the n-type base is composed of an n-type shell, a bottom bearing and side idler wheels, wherein the bottom bearing is arranged on the lower top surface of the socket, and the side idler wheels are arranged on the inner side of the socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921914962.2U CN211498317U (en) | 2019-11-08 | 2019-11-08 | Quick dismounting device for grinding wheel of railway line grinding wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921914962.2U CN211498317U (en) | 2019-11-08 | 2019-11-08 | Quick dismounting device for grinding wheel of railway line grinding wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211498317U true CN211498317U (en) | 2020-09-15 |
Family
ID=72408785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921914962.2U Expired - Fee Related CN211498317U (en) | 2019-11-08 | 2019-11-08 | Quick dismounting device for grinding wheel of railway line grinding wagon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211498317U (en) |
-
2019
- 2019-11-08 CN CN201921914962.2U patent/CN211498317U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 Termination date: 20211108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |