CN117324930A - Guide wheel dismounting device for steel rail detection center - Google Patents
Guide wheel dismounting device for steel rail detection center Download PDFInfo
- Publication number
- CN117324930A CN117324930A CN202311394131.8A CN202311394131A CN117324930A CN 117324930 A CN117324930 A CN 117324930A CN 202311394131 A CN202311394131 A CN 202311394131A CN 117324930 A CN117324930 A CN 117324930A
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- Prior art keywords
- guide wheel
- jack
- positioning groove
- guide
- positioning
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 3
- 230000007704 transition Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention relates to the technical field of detection devices, in particular to a guide wheel dismounting device for a steel rail detection center. The steel rail detection center guide wheel dismounting device is used for dismounting the guide wheels and comprises a positioning plate, a jack and a pressing plate; the positioning plate is provided with front and rear ends, positioning grooves are formed in the positioning plate, the jack is arranged at the rear side of the guide wheel and is positioned in the positioning grooves during assembly, the jack is arranged to provide axial forward acting force for the shaft sleeve of the guide wheel, and the pressing plate is arranged to respectively prop against the shaft sleeve and the jack head at the front and rear sides during assembly; an opening is formed in one side of the front end of the positioning groove, and a stop block is arranged at the opening. Compared with the manual assembly mode in the prior art, the guide wheel assembly device has the advantages that the shaft sleeve and the guide sleeve are quickly installed and separated, the guide wheel assembly operation time is shortened, the operation safety risk is reduced, the assembly quality is improved, and the guide wheel assembly labor cost is reduced.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to a guide wheel dismounting device for a steel rail detection center.
Background
The universal first line and the second line of the rail beam are two main production lines of a climbing steel vanadium rail beam factory, have the capability of annual production of 180 ten thousand tons of steel rails, and can produce products of nearly 90 different varieties and specifications, including three series of section steel, square round steel, heavy rails and the like. In particular, the universal two lines are built and put into production in 12 months of 2004, and are the first production line in China and the third production line in the world adopting a hundred-meter steel rail on-line heat treatment technology. The rail beam universal on-line guiding device comprises 14 guide wheels (sleeves) and two guide wheels (sleeves) which are used as key equipment of a detection center, and the guide wheels in the guiding device are seriously worn and quite large in replacement amount due to heavy production tasks and high frequency, so that more than 30 guide wheels are assembled in a statistics manner per month.
The original replacement mode is as follows: the fulcrum pad is stably replaced by a large hammer beating mode. The defects are that: 1. the large hammer is easy to hurt people when knocked, and the safety risk exists; 2. the guide wheel shaft sleeve and the guide sleeve are easy to damage, and the assembly quality is difficult to guarantee; 3. the guide wheel assembly operation efficiency is low, wastes time and energy, and assembly labor cost is high. The assembly efficiency of former change mode is low and there is great potential safety hazard in the operation, and leading wheel assembly quality is difficult to guarantee, and assembly cost of labor is high, can not satisfy the production requirement completely. Based on this, the prior art still remains to be improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a set of guide wheel dismounting device for a steel rail detection center, so as to solve the problem of low replacement efficiency of the existing guide wheels.
The guide wheel dismounting device comprises a positioning plate, a jack and a pressing plate; the positioning plate is provided with front and rear ends, the positioning plate is provided with positioning grooves, and the jack is arranged at the rear side of the guide wheel and positioned in the positioning grooves during assembly and is arranged to provide axial forward acting force for the guide wheel shaft sleeve; the pressing plate is arranged to respectively prop against the shaft sleeve and the jack heads at the front side and the rear side during assembly; the positioning groove is provided with the opening towards front end one side, and the opening part is provided with the dog that is used for keeping out the cooperation with uide bushing front end.
Specifically, when the old guide sleeve is taken out from the shaft sleeve, a set of guide wheels to be dismantled and a set of jack are placed in the positioning groove, the jack is operated, the jack head of the jack extends until the jack head, the guide wheels and the positioning plate are tightly pressed, the jack is continuously operated, and after the jack head extends for 60mm again, the guide sleeve of the guide wheels is separated from the guide wheel shaft sleeve.
When a new guide sleeve is installed, a guide sleeve, a shaft sleeve and a set of jack of a guide wheel to be assembled are sequentially placed in a positioning groove from front to back, the jack is operated, the jack head is made to extend, the jack head is operated to continue to extend until the jack head, the guide wheel shaft sleeve, the guide sleeve and the dismounting device are tightly pressed, the jack is operated continuously, the guide wheel shaft sleeve is pushed into the guide sleeve until the guide wheel shaft sleeve is completely pushed into the guide sleeve.
Compared with the manual assembly mode in the prior art, the guide wheel assembly method has the advantages that the guide wheel assembly operation time is shortened, the operation safety risk is reduced, the assembly quality is improved, and the guide wheel assembly labor cost is reduced.
Further, the constant head tank includes along the fore-and-aft direction setting in proper order and coaxial first constant head tank, second constant head tank and third constant head tank, and first constant head tank is used for placing the uide bushing, and the second constant head tank is used for placing the axle sleeve, and the third constant head tank is used for placing the jack, and wherein, the diameter of second constant head tank is less than the diameter of first constant head tank, and the shape of third constant head tank adapts to the outline of jack. The diameter of the second positioning groove is smaller than that of the first positioning groove, the shape of the third positioning groove is matched with the outer contour of the jack, and the guide sleeve, the shaft sleeve and the jack are prevented from being deviated in the radial direction during assembly in the arrangement mode, so that the assembly quality is affected.
Further, the pressing plate is circular, and the diameter of the pressing plate is at least larger than the inner diameter of the shaft sleeve and smaller than the inner diameter of the guide sleeve. So that the pressing plate is coaxial with the shaft sleeve when propping against the rear end of the shaft sleeve, and the reliability during assembly can be ensured.
Further, a transition groove is arranged between the second positioning groove and the third positioning groove, and the transition groove is used for placing the pressing plate.
Further, the length of the first positioning groove in the axial direction is larger than that of the guide sleeve in the axial direction, so that the guide sleeve can be conveniently and quickly placed in the positioning groove.
Further, the positioning groove penetrates in the vertical direction.
Further, the two check blocks are respectively arranged at the left side and the right side of the positioning groove, and the distance between the two check blocks is larger than the outer diameter of the shaft sleeve and smaller than the outer diameter of the guide sleeve. . So as to prevent the guide sleeve from being separated from the positioning groove when the jack applies force forwards, and prevent the stop block from clamping the shaft sleeve when the old guide sleeve is taken out from the shaft sleeve.
Further, the jack is a 10T jack.
Further, during assembly, the guide sleeve, the shaft sleeve, the pressing plate and the jack head are coaxial.
Further, a clamping part is further arranged on the groove wall of the third positioning groove, and the clamping part is arranged to limit the installation position of the jack.
The beneficial effects of the invention are as follows: according to the scheme, the positioning plate and the jack are arranged, the positioning plate is provided with the positioning groove, one side of the positioning groove facing the front end is provided with the opening, and the opening is provided with the stop block which is in resisting fit with the front end of the limiting plate. When the old guide sleeve is taken out from the shaft sleeve, the guide sleeve is quickly separated from the guide wheel shaft sleeve. When a new guide sleeve is installed, the shaft sleeve is quickly and completely pressed into the guide sleeve. Compared with the manual assembly mode in the prior art, the guide wheel assembly method has the advantages that the guide wheel assembly operation time is shortened, the operation safety risk is reduced, the assembly quality is improved, and the guide wheel assembly labor cost is reduced.
Drawings
Fig. 1 shows a front view of a guide wheel;
fig. 2 shows a schematic structural diagram of a positioning plate of a guide wheel dismounting device of a steel rail detection center, which is provided by the embodiment of the invention;
fig. 3 is a front view of a positioning plate of a guide wheel dismounting device of a rail detection center, which is provided by the embodiment of the invention;
fig. 4 is a schematic diagram showing a state of a guide sleeve detached by a guide wheel detaching device of a steel rail detection center according to an embodiment of the present invention;
fig. 5 is a schematic diagram showing a state of a guide sleeve mounted on a guide wheel dismounting device of a steel rail detection center according to an embodiment of the invention.
Reference numerals illustrate: 1. a positioning plate; 2. a stop block; 3. a first positioning groove; 4. a second positioning groove; 5. a third positioning groove; 6. a guide sleeve; 7. a shaft sleeve; 8. a pressing plate; 9. and (5) a jack.
Detailed Description
It should be understood that the embodiments of the invention shown in the exemplary embodiments are only illustrative. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art will readily appreciate that many modifications are possible without materially departing from the teachings of the subject matter of this disclosure. Accordingly, all such modifications are intended to be included within the scope of present invention. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and parameters of the exemplary embodiments without departing from the spirit of the present inventions.
The embodiment of the invention provides a guide wheel dismounting device for a steel rail detection center, which is used for dismounting a guide wheel, and as shown in fig. 1, the guide wheel comprises a shaft sleeve 7 and a guide sleeve 6 sleeved on the shaft sleeve 7, the shaft sleeve 7 is tightly matched with the guide sleeve 6, and the guide sleeve 6 contacts with a steel rail when the guide wheel is used, so that the abrasion is serious, and the guide sleeve 6 of the guide wheel needs to be replaced frequently. As shown in fig. 2 and 3, the rail detection center guide wheel dismounting device comprises a positioning plate 1, a jack 9 and a pressing plate 8. The positioning plate 1 is made of carbon steel, the positioning plate 1 is plate-shaped and provided with front and rear ends, positioning grooves are formed in the positioning plate 1, during assembly, the jack 9 is arranged at the rear side of the guide wheel and positioned in the positioning grooves, and the jack 9 is arranged to provide axial forward acting force for the guide wheel shaft sleeve 7; the clamp plate 8 sets up to the front and back both sides offset with axle sleeve 7 and jack 9 top respectively when the assembly, and clamp plate 8 is arranged in preventing the dismouting in-process, and the guide wheel axle sleeve 7 is pressed to jack 9 top. The positioning groove is provided with the opening towards front end one side, and the opening part is provided with the dog 2 that is used for keeping out the cooperation with uide bushing 6 front end.
Specifically, when the old guide sleeve 6 is taken out from the shaft sleeve 7, a set of guide wheels to be removed and a set of jacks 9 are placed in the positioning groove, the jacks 9 are operated, the jacks 9 are made to extend out, the position of the adjusting pressing plate 8 is placed coaxially with the guide wheels, the jacks 9 are operated to extend continuously until the jacks 9 are compressed among the jacks 9, the guide wheels, the pressing plate 8 and the positioning plate 1, the jacks 9 are operated continuously, and after the jacks 9 extend out for 60mm again, the guide sleeves 6 of the guide wheels are separated from the guide wheel shaft sleeve 7 (shown in fig. 4).
When a new guide sleeve 6 is installed, a guide sleeve 6, a shaft sleeve 7 and a set of jack 9 of a guide wheel to be assembled are sequentially placed in a positioning groove from front to back, the jack 9 is operated, the jack 9 is made to extend out, the position of an adjusting pressing plate 8 is placed coaxially with the guide wheel, the jack 9 is operated to extend out continuously until the jack 9 is compressed among the jack 9, the guide wheel shaft sleeve 7, the guide sleeve 6 and the positioning plate 1, the jack 9 is operated continuously, the jack 9 extends out to press the guide wheel shaft sleeve 7 into the guide sleeve 6 until the guide wheel shaft sleeve 7 is completely pressed into the guide sleeve 6 (shown in figure 5).
Compared with the manual assembly mode in the prior art, the guide wheel assembly method has the advantages that the guide wheel assembly operation time is shortened, the operation safety risk is reduced, the assembly quality is improved, and the guide wheel assembly labor cost is reduced.
In some embodiments, the positioning groove comprises a first positioning groove 3, a second positioning groove 4 and a third positioning groove 5 which are sequentially arranged along the front-back direction and are coaxial, the first positioning groove 3 is used for placing a guide sleeve 6, and the guide sleeve 6 is in clearance fit with the groove wall of the first positioning groove 3 when being placed in the first positioning groove 3. The second constant head tank 4 is used for placing axle sleeve 7, and axle sleeve 7 is placed in the second constant head tank 4 when with the cell wall clearance fit of second constant head tank 4, and third constant head tank 5 is used for placing jack 9, and wherein, the diameter of second constant head tank 4 is less than the diameter of first constant head tank 3, and the profile of jack 9 is adapted to the shape of third constant head tank 5, through above-mentioned setting mode, prevents when the assembly, guide sleeve 6, axle sleeve 7 and jack 9 take place the skew in radial direction, influences assembly quality.
In some embodiments, the pressing plate 8 is circular, and the diameter of the pressing plate 8 is larger than the inner diameter of the shaft sleeve 7 and smaller than the inner diameter of the guide sleeve 6, so that the pressing plate 8 is coaxial with the shaft sleeve 7 when propped against the rear end of the shaft sleeve 7, and the reliability in assembly can be ensured.
In some embodiments, a transition groove 10 is disposed between the second positioning groove 4 and the third positioning groove 5, where the transition groove 10 is configured to place the platen 8, and the transition groove 10 is tapered from front to back as shown in fig. 3.
In some embodiments, the length of the first positioning groove 3 in the axial direction thereof is longer than the length of the guide sleeve 6 in the axial direction thereof, so that the guide sleeve 6 can be quickly placed in the first positioning groove 3.
In some embodiments, the positioning groove is penetrated in the up-down direction, and the lower end of the positioning plate 1 can be provided with a supporting block, so that the positioning plate 1 is not in direct contact with the ground, and the positioning wheel, the pressing plate 8 and the jack 9 are convenient to place and adjust positions. In particular, the positioning groove can be provided with a lower end for blocking, and an upper end for opening, wherein the first positioning groove 3, the second positioning groove 4 and the third positioning groove 5 are all semi-annular, and the outlines of the first positioning groove 3, the second positioning groove 4 and the third positioning groove 5 are respectively matched with the external outlines of the shaft sleeve 7, the guide sleeve 6 and the jack 9.
In some embodiments, two stoppers 2 are provided, the two stoppers 2 are respectively disposed on the left and right sides of the positioning groove, and the distance between the two stoppers 2 is greater than the outer diameter of the shaft sleeve 7 and smaller than the outer diameter of the guide sleeve 6. To prevent the guide sleeve 6 from being disengaged from the positioning groove when the jack 9 is biased forward, and to prevent the stopper 2 from catching the boss 7 when the old guide sleeve 6 is taken out of the boss 7.
In some embodiments, the jack 9 is a 10T jack, has a large lifting range and stable working pressure, and can meet actual working requirements.
In some embodiments, during assembly, the guide sleeve 6, the shaft sleeve 7, the pressing plate 8 and the jack 9 are coaxial, so that the guide sleeve 6 and the shaft sleeve 7 are prevented from being offset in the radial direction during assembly to cause damage to the guide wheel.
In some embodiments, a clamping portion is further provided on the wall of the third positioning groove 5, the clamping portion being configured to limit the mounting position of the jack 9. Specifically, a clamping jaw is mounted at the lower end of the third positioning groove 5, and the clamping jaw can clamp the bottom contour of the jack 9, so that the jack 9 is kept stable.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention; modifications and equivalent substitutions are intended to be included in the scope of the claims without departing from the spirit and scope of the present invention.
Claims (10)
1. The guide wheel dismounting device for the steel rail detection center is characterized by comprising a shaft sleeve and a guide sleeve sleeved on the shaft sleeve, and comprises a positioning plate, a jack and a pressing plate; the positioning plate is provided with front and rear ends, positioning grooves are formed in the positioning plate, the jack is arranged at the rear side of the guide wheel and is positioned in the positioning grooves during assembly, the jack is arranged to provide axial forward acting force for the shaft sleeve of the guide wheel, and the pressing plate is arranged to respectively prop against the shaft sleeve and the jack heads at the front and rear sides during assembly; the locating groove is provided with the opening towards front end one side, and the opening part is provided with the dog that is used for keeping out the complex with uide bushing front end.
2. The apparatus for assembling and disassembling a guide wheel of a rail detection center according to claim 1, wherein the positioning groove comprises a first positioning groove, a second positioning groove and a third positioning groove which are arranged in sequence along the front-rear direction and are coaxial, the first positioning groove is used for placing a guide sleeve, the second positioning groove is used for placing a shaft sleeve, the third positioning groove is used for placing a jack, the diameter of the second positioning groove is smaller than that of the first positioning groove, and the shape of the third positioning groove is adapted to the outer contour of the jack.
3. The apparatus for assembling and disassembling a guide wheel of a rail inspection center according to claim 1, wherein the pressing plate is circular, and the diameter of the pressing plate is larger than the inner diameter of the shaft sleeve and smaller than the inner diameter of the guide sleeve.
4. The rail detection center guide wheel dismounting device of claim 2, wherein a transition groove is provided between the second positioning groove and the third positioning groove, and the transition groove is used for placing the pressing plate.
5. The apparatus according to claim 2, wherein the length of the first positioning groove in the axial direction is greater than the length of the guide sleeve in the axial direction.
6. The apparatus for assembling and disassembling a rail detection center guide wheel according to claim 1, wherein the positioning groove penetrates in the up-down direction.
7. The assembly and disassembly device for the guide wheel of the steel rail detection center of claim 6, wherein the number of the two check blocks is two, the two check blocks are respectively arranged at the left side and the right side of the positioning groove, and the distance between the two check blocks is larger than the outer diameter of the shaft sleeve and smaller than the outer diameter of the guide sleeve.
8. The rail detection center guide wheel dismounting device of claim 1, wherein the jack is a 10T jack.
9. A rail detection centre guide wheel dismounting apparatus as claimed in claim 3, wherein the guide sleeve, platen and jack heads are coaxial during assembly.
10. The apparatus according to claim 2, wherein a clamping portion is further provided on a wall of the third positioning groove, and the clamping portion is configured to limit an installation position of the jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311394131.8A CN117324930A (en) | 2023-10-25 | 2023-10-25 | Guide wheel dismounting device for steel rail detection center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311394131.8A CN117324930A (en) | 2023-10-25 | 2023-10-25 | Guide wheel dismounting device for steel rail detection center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117324930A true CN117324930A (en) | 2024-01-02 |
Family
ID=89291664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311394131.8A Pending CN117324930A (en) | 2023-10-25 | 2023-10-25 | Guide wheel dismounting device for steel rail detection center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117324930A (en) |
-
2023
- 2023-10-25 CN CN202311394131.8A patent/CN117324930A/en active Pending
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