CN203853951U - Bearing mounting tool for wheel pairs of hot-metal car - Google Patents
Bearing mounting tool for wheel pairs of hot-metal car Download PDFInfo
- Publication number
- CN203853951U CN203853951U CN201420238570.XU CN201420238570U CN203853951U CN 203853951 U CN203853951 U CN 203853951U CN 201420238570 U CN201420238570 U CN 201420238570U CN 203853951 U CN203853951 U CN 203853951U
- Authority
- CN
- China
- Prior art keywords
- bearing
- pulling force
- spanner
- face
- mounting tool
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 title claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052802 copper Inorganic materials 0.000 abstract description 7
- 239000010949 copper Substances 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000010009 beating Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 210000003739 neck Anatomy 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model relates to the field of mounting of hot-metal trucks of steel works, in particular to a wheel bearing mounting tool. A bearing mounting tool for wheel pairs of a hot-metal car comprises a spanner, a bearing thrust bush, an electric heater, a tension screw and a tension piece. One end of the bearing thrust bush is a thrust end face contacting with a bearing, the other end of the bearing thrust bush is a stress end face contacting with the spanner, one end of the tension screw is fixedly connected with the tension piece, and the other end of the tension screw is connected with the spanner through a thread to form a lead screw pair. The tension piece is fixedly mounted on an axle, and the electric heater is sleeved with the thrust end face of the bearing thrust bush. Affection on the bearings due to non-uniform beating force of copper bars is eliminated, the bearings are guaranteed to be stably pushed to the mounting positions during use, and hazards in mounting quality that the bearings are not mounted in place and jammed are eliminated. Falling and cooling of the heated bearings during carrying are avoided, mounting quality of the bearings is improved, and labor intensity of operators mounting the bearings is reduced.
Description
Technical field
The utility model relates to steel mill's torpedo hot metal mixer car installing area, relates in particular to a kind of wheel bearing erecting tools.
Background technology
Torpedo hot metal mixer car is born the Molten Iron Transportation task between blast furnace and steel-making, is made up of torpedo tank, traveling portion, tumble system and accessory system etc., and wherein, traveling portion forms, large tie-beam, little tie-beam, bolster, body spring etc. by taking turns; Torpedo hot metal mixer car wheel is to the main guide effect rising in support and running, and it is right that torpedo hot metal mixer car has 16 wheels; As shown in Figure 1, each wheel a set of bearing 3 of the each installation in left and right, this bearing 3 is generally taper roll bearing, in the upkeep operation of torpedo hot metal mixer car, disassembling, installing of bearing 3 is conventional maintenance content, present stage bearing 3 installation method, technique more traditional and simple and crude, bearing 3 is heated to after 120 DEG C through electromagnetic heater, by workman, bearing 3 is mounted to the end of wheel shaft 2, then by manually using copper rod 1 to knock bearing 3, bearing 3 is struck to the installation site with respect to wheel 4.
Although the method is simple, easy to operate, there is larger installation quality hidden danger and personal safety hidden danger:
1, manually use copper rod 1 to knock bearing 3, because right-hand man's strength is inconsistent, easily cause bearing 3 installation progress left and right inconsistent, cause bearing 3 stuck, to such an extent as to produce the serious consequence that bearing 3 is scrapped, wheel shaft 2 damages.
The strength of 2, manually knocking bearing 3 is limited, in the time that bearing 3 is mounted to the neck of wheel shaft 2, artificial strength is not enough to bearing 3 to be in place completely, in addition, in the time that bearing 3 is mounted to the neck of wheel shaft 2, due to the vibrations of knocking bearing 3 and producing, can produce bounce-back after causing bearing 3 to encounter wheel shaft 2 necks, bearing 3 cannot be in place completely.
3, workman, using copper rod 1 to knock in the process of bearing 3, exists because undue force, direction are inaccurate, causes hand to bump against the situation of wheel hub, the accident of cause hand scratch, dampening.
Finally, if bearing is not in place completely, or installation quality is undesirable, easily causes bearing excessive friction, and the accident of damaging has in advance buried great potential safety hazard to the operation of torpedo hot metal mixer car; And this mounting means need to heat bearing with other equipment above, exists workman to slip out of the hand after heating in the process of carrying, bearing falls, and damages the risk of bearing, and in handling process, produces temperature drop, affects the installation quality of bearing.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of torpedo hot metal mixer car wheel set bearing mounting tool, this frock is by heater and thrust device combination, eliminate copper rod and knocked the inconsistent impact on bearing of strength, and avoid bearing falling and lowering the temperature in handling process after heating, promote the installation quality of bearing, reduced the bearings mounted labour intensity of employee.
The utility model is achieved in that a kind of torpedo hot metal mixer car wheel set bearing mounting tool, comprises that spanner, bearing advance cover, electric heater, pulling force screw rod and pulling force sheet; It is that thrust end face contacts with bearing that described bearing advances cover one end, and it is that stressed end face contacts with spanner that bearing advances the other end of cover, and described pulling force screw rod one end and pulling force sheet are fixedly linked, and the pulling force screw rod other end is connected with spanner by screw thread and forms lead screw pair; Described pulling force sheet is fixedly mounted on wheel shaft, and described electric heater is sleeved on bearing and advances in the thrust end face overlapping.
Described pulling force screw rod is arranged on bearing and advances the axle center place of overlapping, and pulling force screw jacket is equipped with holddown spring, on the end face of described electric heater, is provided with pressure strip, and described holddown spring is arranged on pressure strip and bearing advances between the stressed end face of cover.
It is the cylindrical box body of an end opening that described bearing advances cover, the annular end face that described thrust end face is openend, and the bottom surface that described stressed end face is cylindrical box body, one end of pulling force screw rod is connected with spanner through the bottom surface of cylindrical box body.
Described spanner is for determining square ratchet spanner.
Described electric heater is eddy current heater.
The utility model torpedo hot metal mixer car wheel set bearing mounting tool is by heater and thrust device combination, bearing advances the annular thrust end face of cover to make the stressed more even of bearing, eliminate copper rod and knocked the inconsistent impact on bearing of strength, in use can ensure that bearing is advanced into installation site stably, eliminate bearing installation quality hidden danger not in place, bearing is stuck has been installed, and avoid bearing falling and lowering the temperature in handling process after heating, promote the installation quality of bearing, reduced the bearings mounted labour intensity of employee.
Brief description of the drawings
Fig. 1 is existing torpedo hot metal mixer car wheel mounting means schematic diagram;
Fig. 2 is the schematic cross-section of the utility model torpedo hot metal mixer car wheel set bearing mounting tool;
Fig. 3 is the exploded perspective view of the utility model while installing and using.
In figure: 1 copper rod, 2 wheel shafts, 3 bearings, 4 wheels, 5 spanners, 6 bearings advance cover, 7 electric heaters, 8 pulling force screw rods, 9 pulling force sheets, 10 holddown springs, 11 pressure strips, 12 bolts.
Detailed description of the invention
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment are only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model statement, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
As shown in Figure 2,3, a kind of torpedo hot metal mixer car wheel set bearing mounting tool, comprises that spanner 5, bearing advance cover 6, electric heater 7, pulling force screw rod 8 and pulling force sheet 9; It is that thrust end face contacts with bearing 3 that described bearing advances cover 6 one end, it is that stressed end face contacts with spanner 5 that bearing advances the other end of cover 6, described pulling force screw rod 8 one end and pulling force sheet 9 are fixedly linked, and pulling force screw rod 8 other ends are connected with spanner 5 by screw thread and form lead screw pair; Described pulling force sheet 9 is fixedly mounted on wheel shaft 2 by bolt 12, and described electric heater 7 is sleeved on bearing and advances in the thrust end face that overlaps 6.
In the utility model, described pulling force screw rod 8 is arranged on bearing and advances the axle center place of overlapping 6, pulling force screw rod 8 is outer is set with holddown spring 10, is provided with pressure strip 11 on the end face of described electric heater 7, and described holddown spring 10 is arranged on pressure strip 11 and bearing advances between the stressed end face of cover 6.
In order to ensure the stressed even of bearing 3, avoid bearing 3 stuck on wheel shaft 2, it is the cylindrical box body of an end opening that described bearing advances cover 6, the annular end face that described thrust end face is openend, the bottom surface that described stressed end face is cylindrical box body, one end of pulling force screw rod 8 is connected with spanner 5 through the bottom surface of cylindrical box body.
Be subject to the restriction of fabricating yard, sometimes spanner 5 cannot carry out the rotation of 360 ° freely, so in the present embodiment, described spanner 5 uses determines square ratchet spanner, so only need very little space, the spanner 5 that just can constantly swing back and forth promotes bearing and advances cover 6 to advance along the axis of pulling force screw rod 8.
In the present embodiment, consider the efficiency of security and heating, described electric heater 7 is eddy current heater, connects the control transformer of eddy current heater, utilizes the kelvin effect of electromagnetic induction, eddy current, heat-conduction principle to heat bearing 3; Eddy current heater heating bearing is to needed 120 DEG C, and its output directly connects eddy current heater bearing is heated; In addition, in the time adopting eddy current heater, described bearing advances cover 6 to adopt macromolecular material to carry out processing and manufacturing, to reduce the energy loss that eddy current heater is invalid.
Before installation bearing 3, first by fixing to pulling force screw rod 8 one end and pulling force sheet 9, and pulling force sheet 9 is fixedly mounted on to wheel shaft 2 ends with bolt 12, then electric heater 7 is sleeved on outside pulling force screw rod 8, after installation finishes, bearing 3 is installed to electric heater 7, and electric heater 7 is connected with outside power supply by default hole;
Finally, load onto after holddown spring 10 and pressure strip 11 and advance cover 6 at outside suit upper bearing (metal), and make the other end of pulling force screw rod 8 advance the bottom of cover 6 through bearing, load onto spanner 5, make bearing advance the thrust end face of cover 6 to be close to the inner ring of bearing 3 by rotating spanner 5.
Connect the power supply of electric heater 7 bearing 3 is heated, be generally heated to 120 DEG C herein, by manually by rotating spanner 5, bearing 3 being mounted to the end of wheel shaft 2, and keep a period of time under this moment, guarantee that bearing 3 is in place.
Treat cooling a period of time of bearing 3, ensure that bearing can reach after the object of interference fit with wheel shaft, frock is pulled down to the installation preparation into next bearing.
Claims (5)
1. a torpedo hot metal mixer car wheel set bearing mounting tool, is characterized in that: comprise that spanner (5), bearing advance cover (6), electric heater (7), pulling force screw rod (8) and pulling force sheet (9); It is that thrust end face contacts with bearing (3) that described bearing advances cover (6) one end, it is that stressed end face contacts with spanner (5) that bearing advances the other end of cover (6), described pulling force screw rod (8) one end and pulling force sheet (9) are fixedly linked, and pulling force screw rod (8) other end is connected with spanner (5) by screw thread and forms lead screw pair; It is upper that described pulling force sheet (9) is fixedly mounted on wheel shaft (2), and described electric heater (7) is sleeved on bearing and advances in the thrust end face that overlaps (6).
2. torpedo hot metal mixer car wheel set bearing mounting tool as claimed in claim 1, it is characterized in that: described pulling force screw rod (8) is arranged on bearing and advances the axle center place of overlapping (6), the outer holddown spring (10) that is set with of pulling force screw rod (8), on the end face of described electric heater (7), be provided with pressure strip (11), described holddown spring (10) is arranged on pressure strip (11) and bearing advances between the stressed end face of cover (6).
3. torpedo hot metal mixer car wheel set bearing mounting tool as claimed in claim 1 or 2, it is characterized in that: it is the cylindrical box body of an end opening that described bearing advances cover (6), the annular end face that described thrust end face is openend, the bottom surface that described stressed end face is cylindrical box body, one end of pulling force screw rod (8) is connected with spanner (5) through the bottom surface of cylindrical box body.
4. torpedo hot metal mixer car wheel set bearing mounting tool as claimed in claim 3, is characterized in that: described spanner (5) is for determining square ratchet spanner.
5. torpedo hot metal mixer car wheel set bearing mounting tool as claimed in claim 3, is characterized in that: described electric heater (7) is eddy current heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238570.XU CN203853951U (en) | 2014-05-12 | 2014-05-12 | Bearing mounting tool for wheel pairs of hot-metal car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238570.XU CN203853951U (en) | 2014-05-12 | 2014-05-12 | Bearing mounting tool for wheel pairs of hot-metal car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203853951U true CN203853951U (en) | 2014-10-01 |
Family
ID=51603829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420238570.XU Expired - Lifetime CN203853951U (en) | 2014-05-12 | 2014-05-12 | Bearing mounting tool for wheel pairs of hot-metal car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203853951U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312441A (en) * | 2015-11-03 | 2017-01-11 | 无锡市三立轴承有限公司 | Preheating mounting head for bearing |
| CN106312919A (en) * | 2015-11-03 | 2017-01-11 | 无锡市三立轴承有限公司 | Preheating type manual assembly head for bearing |
| CN106321660A (en) * | 2015-11-03 | 2017-01-11 | 无锡市三立轴承有限公司 | Preheating type bearing mounting head structure |
-
2014
- 2014-05-12 CN CN201420238570.XU patent/CN203853951U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312441A (en) * | 2015-11-03 | 2017-01-11 | 无锡市三立轴承有限公司 | Preheating mounting head for bearing |
| CN106312919A (en) * | 2015-11-03 | 2017-01-11 | 无锡市三立轴承有限公司 | Preheating type manual assembly head for bearing |
| CN106321660A (en) * | 2015-11-03 | 2017-01-11 | 无锡市三立轴承有限公司 | Preheating type bearing mounting head structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |
|
| CX01 | Expiry of patent term |