CN219839382U - Maintenance-free derailment prevention device capable of monitoring condition of horizontal wheel - Google Patents
Maintenance-free derailment prevention device capable of monitoring condition of horizontal wheel Download PDFInfo
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- CN219839382U CN219839382U CN202322405027.6U CN202322405027U CN219839382U CN 219839382 U CN219839382 U CN 219839382U CN 202322405027 U CN202322405027 U CN 202322405027U CN 219839382 U CN219839382 U CN 219839382U
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- horizontal wheel
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 230000002265 prevention Effects 0.000 title claims abstract description 13
- 239000004519 grease Substances 0.000 claims abstract description 9
- 230000001050 lubricating effect Effects 0.000 claims abstract description 9
- 230000000007 visual effect Effects 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 description 6
- 230000035929 gnawing Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model discloses a maintenance-free derailment prevention device capable of monitoring the condition of horizontal wheels, which comprises a mounting bracket and two horizontal wheels positioned on two sides of a track, wherein each horizontal wheel is respectively and correspondingly provided with a bearing chamber, the bearing chambers are in a cylinder shape and are fixed on the mounting bracket, a plurality of bearings in the same axial direction are arranged in the bearing chambers from top to bottom, lubricating grease is stored in the bearing chambers, and wheel shafts of the horizontal wheels are rotationally connected with the bearing chambers through the bearings; a proximity switch for monitoring whether the horizontal wheel is pulled out downwards is arranged at the top end of the bearing chamber. The utility model can solve the problems of scattered parts and insufficient safety when the existing derailment prevention horizontal wheel is not maintained well.
Description
Technical Field
The utility model relates to the technical field of hoisting equipment, in particular to a maintenance-free derailment prevention device capable of monitoring the condition of a horizontal wheel.
Background
When the crane runs, wheels in driving mechanisms such as a cart running mechanism or a trolley running mechanism move along the steel rail, the wheel rims are easy to contact with the side surfaces of the steel rail track due to the large span of the crane, abnormal abrasion is generated, the phenomenon is called rail gnawing, the serious rail gnawing can even greatly increase the load of the crane, the running resistance is about three times greater than that of the crane in a normal state, the motor is burnt out, the transmission shaft is twisted off, and even the phenomenon of derailment occurs (derailment refers to the phenomenon that the crane wheels leave the steel rail when running). Aiming at the phenomenon of rail gnawing and derailment of a crane, a horizontal wheel set is additionally arranged on a crane cart travelling mechanism or a trolley travelling mechanism to play a role in guiding and correcting errors.
The traditional derailment-preventing horizontal wheel set generally does not have a falling-preventing function, for example, a crane wheel derailment-preventing device disclosed in Chinese patent publication No. CN217555613U, when a bearing in the horizontal wheel set is subjected to maintenance and a crane is subjected to serious rail gnawing, the bearing can be scattered, the horizontal wheel can strike a rail due to the skew bad result of the horizontal wheel, more seriously, due to the fact that the workshop is generally noisy, a workshop person cannot hear the sound of striking the horizontal wheel on the rail, the phenomenon of falling of the horizontal wheel possibly occurs after the horizontal wheel is severely worn or impacted for many times, particularly for a bridge crane, the derailment-preventing horizontal wheel set is positioned at a high position, and unnecessary property loss and casualties can be caused once the horizontal wheel falls from the high altitude, so that the safety is required to be improved.
Disclosure of Invention
The utility model aims to provide a maintenance-free derailment prevention device capable of monitoring the condition of a horizontal wheel, which is used for solving the problems of scattered parts and insufficient safety when the existing derailment prevention horizontal wheel is not maintained well.
In order to solve the problems, the utility model adopts the following technical scheme:
the maintenance-free derailment preventing device capable of monitoring the condition of the horizontal wheels comprises a mounting bracket and two horizontal wheels positioned on two sides of a track, wherein each horizontal wheel is respectively and correspondingly provided with a bearing chamber, the bearing chambers are cylindrical and fixed on the mounting bracket, a plurality of bearings in the same axial direction are arranged in the bearing chambers from top to bottom, lubricating grease is stored in the bearing chambers, and a wheel shaft of each horizontal wheel is rotationally connected with the bearing chamber through the bearing; a proximity switch for monitoring whether the horizontal wheel is pulled out downwards is arranged at the top end of the bearing chamber.
Optionally, the wheel body of the horizontal wheel is positioned below the bearing chamber, and the wheel body of the horizontal wheel and the wheel shaft are in an integrated structure or are welded and fixed.
Optionally, an audible and visual alarm matched with the proximity switch is arranged on the mounting bracket.
Optionally, the upper and lower ends of the bearing chamber are detachably fixed with bearing chamber end covers respectively, and the end part of the wheel shaft of the horizontal wheel extending into the bearing chamber is detachably fixed with a shaft head anti-drop end cover.
Optionally, a bearing spacer is arranged between adjacent bearings in the bearing chamber, a clamp spring is arranged on a wheel shaft of the horizontal wheel, and the end face of the clamp spring abuts against the upper end face of the bearing positioned at the uppermost part.
Optionally, the upper part of the wheel shaft of the horizontal wheel is a threaded section, and is in threaded connection with an anti-drop nut for limiting the bearing.
Optionally, the anti-drop nuts are provided with at least two, and a backstop pad is installed between adjacent anti-drop nuts.
Optionally, the mounting bracket includes a first connection plate, a second connection plate, and a web fixedly connected between the first connection plate and the second connection plate.
Optionally, the first connecting plate is fixedly connected with a flange plate, and the upper part of the second connecting plate is fixedly provided with a buffer through a buffer bracket.
By adopting the technical scheme, the utility model has the following advantages:
the bearing chamber of the utility model has large space, can accommodate more lubricating grease and bearings, can be maintained without injecting lubricating grease for a long time, and the design of the multi-bearing can also improve the bearing capacity of the horizontal wheel, so that the service life of the derailment preventing device is longer; meanwhile, the utility model can monitor whether the horizontal wheel falls off downwards through the proximity switch, if the bearing falls off, the signal of the falling-off horizontal wheel is transmitted out at the first time, the signal can be interlocked with a cart of operation equipment to control the cart to operate, and can also be matched with the audible and visual alarm to trigger the audible and visual alarm to give an alarm, so that on-site staff can accurately know the fault position, the on-site staff is convenient to overhaul in time, accidents are avoided, and the safety of the derailment prevention device is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
fig. 6 is a partially enlarged schematic view at B in fig. 5.
Reference numerals: 1. the device comprises a bearing chamber, 2, a bearing, 3, a wheel shaft, 4, a wheel body, 5, a proximity switch, 6, an audible and visual alarm, 7, a bearing spacer bush, 8, a bearing chamber end cover, 9, a shaft head anti-drop end cover, 10, a clamp spring, 11, an anti-drop nut, 12, a retaining pad, 13, a first connecting plate, 14, a second connecting plate, 15, a web plate, 16, a flange plate, 17, a buffer, 18 and a buffer bracket.
Detailed Description
In order to make the technical objects, technical solutions and advantageous effects of the present utility model more clear, the technical solutions of the present utility model are further described below with reference to fig. 1 to 6 and specific embodiments.
Examples:
the utility model provides a maintenance-free anti-derailment device that can monitor the horizontal wheel situation, includes installing support and two horizontal wheels that are located the track both sides, every horizontal wheel corresponds respectively to set up a bearing room 1, bearing room 1 is a section of thick bamboo and fixes on the installing support, installs a plurality of coaxial bearings 2 from top to bottom in the bearing room 1, and a plurality of bearings 2 can increase the bearing capacity, prolongs anti-derailment device's life, and bearing room 1 stores lubricating grease, can not need to pour into the lubricating grease separately for a long time and maintain, especially is fit for maintaining the bad place of condition, and the shaft 3 of horizontal wheel is connected with bearing room 1 through bearing 2 rotation; the proximity switch 5 for monitoring whether the horizontal wheel falls off downwards is arranged at the top end of the bearing chamber 1, and if the bearing 2 falls off, the proximity switch 5 detects the position state change of the horizontal wheel and sends out a signal that the horizontal wheel falls off downwards, and the signal can be interlocked with a cart of running equipment to control the cart to run, so that accidents are avoided.
Further, as one embodiment of the utility model, the wheel body 4 of the horizontal wheel is positioned below the bearing chamber 1, and the wheel body 4 of the horizontal wheel and the wheel shaft 3 are in an integrated structure or welded and fixed, so that the wheel body 4 of the horizontal wheel and the wheel shaft 3 can be prevented from being scattered and falling off from the wheel shaft 3.
Further, as one embodiment of the utility model, the audible and visual alarm 6 matched with the proximity switch 5 is arranged on the mounting bracket, and when the proximity switch 5 detects that the horizontal wheel is separated downwards, the audible and visual alarm 6 is triggered to alarm, so that a worker is prompted to find out a fault position in time and overhaul in time.
Further, as one embodiment of the utility model, the upper end and the lower end of the bearing chamber 1 are respectively and detachably fixed with the bearing chamber end cover 8 through bolts, the end part of the wheel shaft 3 of the horizontal wheel extending into the bearing chamber 1 is detachably fixed with the shaft head anti-falling end cover 9 through bolts, the detachable connection is convenient for production assembly and later maintenance, and the arrangement of the shaft head anti-falling end cover 9 can further improve the stability of the installation of the horizontal wheel.
In this embodiment, the induction head of the proximity switch 5 correspondingly faces the upper surface of the shaft head anti-falling end cover 9, when the horizontal wheel falls off downwards, the shaft head anti-falling end cover 9 falls down along with the horizontal wheel, and is no longer in the induction range of the proximity switch 5, and the proximity switch 5 sends out a signal that the horizontal wheel falls off downwards.
Further, as one embodiment of the utility model, the bearing spacer 7 is arranged between the adjacent bearings 2 in the bearing chamber 1, so that the structural independence of each bearing 2 can be improved, the clamp spring 10 is arranged on the wheel shaft 3 of the horizontal wheel, and the end surface of the clamp spring 10 abuts against the upper end surface of the bearing 2 positioned at the uppermost position, so that the bearing 2 is limited, and the bearing is compact in installation and difficult to scatter.
Further, as one embodiment of the utility model, the upper part of the wheel shaft 3 of the horizontal wheel is a threaded section, and is in threaded connection with an anti-drop nut 11 for limiting the bearing 2, and the anti-drop nut 11 can prevent the bearing 2 from being separated from the wheel shaft 3 of the horizontal wheel, so that the bearing 2 is connected with the horizontal wheel stably.
Further, as one embodiment of the present utility model, at least two anti-falling nuts 11 are provided, and a retaining pad 12 is installed between adjacent anti-falling nuts 11, where the retaining pad 12 can improve the reliability of the anti-falling nuts 11.
Further, as one embodiment of the present utility model, the mounting bracket includes a first connecting plate 13, a second connecting plate 14 and a web 15, wherein the web 15 is fixedly connected between the first connecting plate 13 and the second connecting plate 14, and the web 15 can enhance the overall strength of the mounting bracket.
Further, as one embodiment of the present utility model, the flange plate 16 is fixedly connected to the first connecting plate 13, so as to be convenient for being installed and removed with a hoisting device or other operation mechanisms, and the buffer 17 is fixed to the upper portion of the second connecting plate 14 through the buffer bracket 18, so that adverse effects caused by collision are reduced.
The working principle of the device is as follows: the device is additionally arranged at the front end of the end beam of the running equipment through the flange plate 16, the horizontal wheels are arranged at two sides of the rail, and the horizontal lateral force of the wheels of the running equipment is counteracted in a rolling contact manner in the running process of the running equipment, so that the effects of preventing rail gnawing and derailment are realized. The bearing chamber 1 has large space, a plurality of bearings 2 and lubricating grease are accommodated in the bearing chamber, the maintenance task of additionally injecting lubricating grease can be avoided in a long period of time, the proximity switch 5 at the top end of the bearing chamber 1 can also monitor whether the horizontal wheel is separated downwards, the linkage control with a cart of operation equipment is facilitated, and the safety of the operation equipment is improved.
The above embodiments are not limited in any way by the shape, materials, structure, etc. of the present utility model, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model are all included in the protection scope of the technical solution of the present utility model.
Claims (9)
1. Maintenance-free derailment prevention device capable of monitoring condition of horizontal wheel comprises a mounting bracket and two horizontal wheels positioned on two sides of a track, and is characterized in that: each horizontal wheel is correspondingly provided with a bearing chamber which is in a cylinder shape and is fixed on the mounting bracket, a plurality of bearings in the same axial direction are arranged in the bearing chamber from top to bottom, lubricating grease is stored in the bearing chamber, and a wheel shaft of the horizontal wheel is rotationally connected with the bearing chamber through the bearings; a proximity switch for monitoring whether the horizontal wheel is pulled out downwards is arranged at the top end of the bearing chamber.
2. A maintenance-free derailment prevention apparatus for monitoring the condition of a horizontal wheel according to claim 1, wherein: the wheel body of the horizontal wheel is positioned below the bearing chamber, and the wheel body of the horizontal wheel and the wheel shaft are in an integrated structure or are welded and fixed.
3. A maintenance-free derailment prevention apparatus for monitoring the condition of a horizontal wheel according to claim 1, wherein: an audible and visual alarm matched with the proximity switch is arranged on the mounting bracket.
4. A maintenance-free derailment prevention apparatus for monitoring the condition of a horizontal wheel according to claim 1, wherein: the upper end and the lower end of the bearing chamber are respectively and detachably fixed with bearing chamber end covers, and the end part of the wheel shaft of the horizontal wheel extending into the bearing chamber is detachably fixed with a shaft head anti-drop end cover.
5. A maintenance-free derailment prevention apparatus for monitoring the condition of a horizontal wheel according to claim 1, wherein: a bearing spacer is arranged between adjacent bearings in the bearing chamber, a clamp spring is arranged on a wheel shaft of the horizontal wheel, and the end face of the clamp spring abuts against the upper end face of the bearing positioned at the uppermost part.
6. A maintenance-free anti-derailment device for monitoring the condition of a horizontal wheel as claimed in claim 5, wherein: the upper part of the wheel shaft of the horizontal wheel is a threaded section and is in threaded connection with an anti-drop nut used for limiting the bearing.
7. A maintenance-free anti-derailment device for monitoring the condition of a horizontal wheel as claimed in claim 6, wherein: the anti-drop nuts are provided with at least two, and a backstop pad is arranged between every two adjacent anti-drop nuts.
8. A maintenance-free anti-derailment device for monitoring the condition of a horizontal wheel according to any one of claims 1 to 7, characterized in that: the mounting bracket comprises a first connecting plate, a second connecting plate and a web plate, wherein the web plate is fixedly connected between the first connecting plate and the second connecting plate.
9. A maintenance-free anti-derailment device for monitoring the condition of a horizontal wheel according to claim 8, wherein: the first connecting plate is fixedly connected with a flange plate, and a buffer is fixed on the upper portion of the second connecting plate through a buffer bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322405027.6U CN219839382U (en) | 2023-09-05 | 2023-09-05 | Maintenance-free derailment prevention device capable of monitoring condition of horizontal wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322405027.6U CN219839382U (en) | 2023-09-05 | 2023-09-05 | Maintenance-free derailment prevention device capable of monitoring condition of horizontal wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219839382U true CN219839382U (en) | 2023-10-17 |
Family
ID=88302867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322405027.6U Active CN219839382U (en) | 2023-09-05 | 2023-09-05 | Maintenance-free derailment prevention device capable of monitoring condition of horizontal wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219839382U (en) |
-
2023
- 2023-09-05 CN CN202322405027.6U patent/CN219839382U/en active Active
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