CN210834170U - Pneumatic wheel set compressing and positioning mechanism of railway wheel set rolling bearing running-in machine - Google Patents
Pneumatic wheel set compressing and positioning mechanism of railway wheel set rolling bearing running-in machine Download PDFInfo
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- CN210834170U CN210834170U CN201921741796.0U CN201921741796U CN210834170U CN 210834170 U CN210834170 U CN 210834170U CN 201921741796 U CN201921741796 U CN 201921741796U CN 210834170 U CN210834170 U CN 210834170U
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Abstract
The utility model provides a pneumatic wheel set compressing and positioning mechanism of a railway wheel set rolling bearing running-in machine, which comprises a clamping wheel seat, a pressing wheel mechanism and an infrared temperature measuring probe, wherein the clamping wheel seat is of a right-angle structure, the pressing wheel mechanism is arranged at the end part of a horizontal rod of the clamping wheel seat, and the pressing wheel mechanism is used for limiting the position of a wheel set; the pressing wheel mechanism comprises a hydraulic rod and a clamping wheel block, the bottom of the hydraulic rod is connected with the clamping wheel block, the middle position of the bottom of the clamping wheel block is of an arc-shaped structure, and an infrared temperature measuring probe for detecting the temperature of the surface of the bearing by the wheel pair is arranged on the arc-shaped surface of the bottom of the clamping wheel block. The utility model has the advantages that: the clamp wheel block press-fit bearing in the pressing wheel mechanism is located at the position on the limiting seat and is limited for the bearing, so that the position of the bearing on the wheel set is stable in the rotating process of the wheel set, and when the clamp wheel block is attached to the wheel set bearing to limit, the infrared temperature measuring probe on the clamp wheel block is attached to the surface of the wheel set bearing, so that the temperature detection of the bearing is more accurate.
Description
Technical Field
The invention relates to the technical field of production and maintenance of railway track traffic equipment, in particular to a pneumatic wheel set compressing and positioning mechanism of a railway wheel set rolling bearing running-in machine.
Background
The bearing running-in machine is composed of a computer automatic control system, a pneumatic system, a wheel set tread drive system, a bearing positioning system and the like, and the bearing running-in process is full-automatic. The temperature rise of the bearing is controlled by a computer, and in the process of running-in of the bearing, a signal acquired by an infrared temperature measuring probe is input into an industrial personal computer and processed by a microcomputer, and the temperature rise curve of the running-in of the bearing is displayed on a computer screen, so that the temperature rise change of the bearing in the process of running-in is very visual and clear.
The bearing running-in machine that uses at present only places the bearing of wheel pair the spacing seat, does not restrict bearing position, and infrared temperature probe is located bearing one side, and at wheel pair pivoted in-process, the bearing position takes place the vibration easily, makes the effectual of running-in on the one hand, and the temperature that on the other hand infrared temperature probe detected is inaccurate, and the result of use is not good.
Disclosure of Invention
The invention provides a pneumatic wheel set compressing and positioning mechanism of a railway wheel set rolling bearing running-in machine aiming at the defects of the prior art.
The invention solves the technical problems through the following technical means:
a pneumatic wheel set compressing and positioning mechanism of a railway wheel set rolling bearing running-in machine comprises a clamping wheel seat, a pressing wheel mechanism and an infrared temperature measuring probe, wherein the clamping wheel seat is of a right-angle structure, the pressing wheel mechanism is arranged at the end part of a horizontal rod of the clamping wheel seat, and the pressing wheel mechanism is used for limiting the position of a wheel set;
the pressing wheel mechanism comprises a hydraulic rod and a clamping wheel block, the bottom of the hydraulic rod is connected with the clamping wheel block, the middle position of the bottom of the clamping wheel block is of an arc-shaped structure, and an infrared temperature measuring probe for detecting the temperature of the surface of the bearing by the wheel pair is arranged on the arc-shaped surface of the bottom of the clamping wheel block.
Preferably, elastic heat insulation layers are fixed to two sides of the bottom of the clamping wheel block through screws, opposite faces of the elastic heat insulation layers are arc-shaped structures, the arc degree of each elastic heat insulation layer is equal to the arc degree of the clamping wheel block, and an inclined plane block is fixed to the bottom of each elastic heat insulation layer.
Preferably, the clamping device further comprises a guide mechanism, the guide mechanism comprises an air cylinder flange, guide sleeves, a clamping wheel guide rod and a second fixing bolt, the air cylinder flange is fixed on the clamping wheel seat, the guide sleeves are symmetrically fixed on two sides of the air cylinder flange, the clamping wheel guide rod penetrates through the inner portion of the guide sleeve, and the bottom of the clamping wheel guide rod is fixed on the clamping wheel block through the second fixing bolt.
Preferably, a third fixing bolt is arranged on the cylinder flange and fixedly connected with the hydraulic rod.
Preferably, a connecting block is fixed at the bottom of the hydraulic rod, a first fixing bolt is arranged between the bottom of the connecting block and the clamping wheel block, and the first fixing bolt is embedded into the connecting block.
Preferably, right-angle baffles are symmetrically welded on two sides of the clamping wheel seat, the distance between the two right-angle baffles is equal to the width of the hydraulic rod, and the right-angle baffles limit the position of the hydraulic rod.
Preferably, the clamp wheel seat is fixed to the bottom of the running-in machine workbench through bolts, and a limiting seat is fixed to the running-in machine workbench and the clamp wheel block on the same vertical line.
Preferably, the top of the limiting seat is of an arc structure, and the arc degree of the limiting seat is equal to the arc degree of the elastic heat insulation layer and the arc degree of the clamping wheel block.
The invention has the advantages that: firstly, a wheel clamping block in a wheel pressing mechanism presses a position of a bearing on a limiting seat to limit the bearing, so that the position of the bearing on a wheel pair is stable in the rotating process of the wheel pair, the grinding effect of the bearing on the wheel pair is better, and an infrared temperature measuring probe on the wheel clamping block is attached to the surface of the bearing of the wheel pair when the wheel clamping block is attached to the bearing of the wheel pair to limit, so that the temperature detection of the bearing is more accurate; secondly be equipped with the elastic thermal insulation layer of bisymmetry in the bottom of card wheel piece, elastic thermal insulation layer parcel wheel is to the last bearing of wheel, makes the position that the wheel set is located the running-in machine workstation more stable on the one hand, can not produce in the testing process and rock, further improves spacing effect, and on the other hand prevents that the heat that the bearing produced at the rotation in-process from giving off for the temperature degree of accuracy that infrared temperature probe detected further improves.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a safety pinch roller device according to an embodiment of the present invention;
FIG. 2 is a front view of a guide mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a joint between a wheel clamping block and an elastic heat insulation layer according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a joint between a hydraulic rod and a wheel clamping block according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a running-in machine workbench according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a joint between the whole safety pinch roller device and a running-in machine table according to an embodiment of the invention.
Reference numbers in the figures: 10. the clamping wheel comprises a clamping wheel seat, 11, a right-angle baffle, 20, a pressing wheel mechanism, 21, a hydraulic rod, 211, a third fixing bolt, 22, a clamping wheel block, 221, a first fixing bolt, 222, a connecting block, 223, an elastic heat insulation layer, 224, a slope block, 30, an infrared temperature measuring probe, 40, a guide mechanism, 41, a cylinder flange, 42, a guide sleeve, 43, a clamping wheel guide rod, 431, a second fixing bolt, 50, a running-in machine workbench, 51 and a limiting seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1, the pneumatic wheel set compressing and positioning mechanism of the railway wheel set rolling bearing running-in machine in the embodiment comprises a clamping wheel seat 10, a pressing wheel mechanism 20 and an infrared temperature measuring probe 30, wherein the clamping wheel seat 10 is of a right-angle structure, the pressing wheel mechanism 20 is arranged at the end of a horizontal rod of the clamping wheel seat 10, and the pressing wheel mechanism 20 is used for limiting the position of a wheel set;
the pressing wheel mechanism 20 integrally butts against a bearing on the wheel pair, so that the pressing wheel mechanism 20 and a limiting seat 51 on a running-in machine workbench 50 clamp the bearing, the bearing cannot vibrate in the running-in process, the running-in quality is improved, and the using effect is better; the top of the right-angle type clamping wheel seat 10 extends outwards, and the pressing wheel mechanism upper 20 is arranged on the extending side of the top of the clamping wheel seat 10, so that when the pressing wheel mechanism 20 moves, the clamping wheel seat 10 cannot block the pressing wheel mechanism 20.
The pressing wheel mechanism 20 comprises a hydraulic rod 21 and a clamping wheel block 22, the bottom of the hydraulic rod 21 is connected with the clamping wheel block 22, the middle position of the bottom of the clamping wheel block 22 is of an arc-shaped structure, and an infrared temperature measuring probe 30 for detecting the temperature of the surface of the bearing of the wheel pair is arranged on the arc-shaped surface of the bottom of the clamping wheel block 22.
Through holes are formed in the two sides, located on the infrared temperature measuring probe 30, of the clamping wheel block 22, air convection of the through holes in the two sides is achieved, so that when the wheel pair bearing wrapped by the clamping wheel block 22, the limiting seat 51 and the elastic heat insulation layer 223 generates heat, the heat can pass through the infrared temperature measuring probe 30 through the through holes, and accuracy of the infrared temperature measuring probe 30 for temperature detection is further improved.
When the wheel set bearing placed on the running-in machine workbench 50 is detected, the position of the bearing is limited by the clamping wheel block 22 in the pressing wheel mechanism 20, when the clamping wheel block 22 is attached to the wheel set bearing, the infrared temperature measuring probe 30 on the clamping wheel block 22 is attached to the surface of the wheel set bearing, and the structure can detect the wheel set bearing when the wheel set is limited, so that the wheel set is prevented from vibrating, and the detection result is more accurate.
As shown in fig. 2-3, elastic heat insulating layers 223 are fixed on two sides of the bottom of the wheel clamping block 22 by screws, opposite surfaces of the two elastic heat insulating layers 223 are both arc-shaped structures, the radian of the arc on each elastic heat insulating layer 223 is equal to the radian of the arc of the wheel clamping block 22, and an inclined plane block 224 is fixed on the bottom of each elastic heat insulating layer 223.
Elastic heat insulation layers 223 are arranged on two sides of the bottom of the wheel clamping block 22, and the bearings on the wheel pair are wrapped by the elastic heat insulation layers 223, so that the position of the wheel pair on the running-in machine workbench 50 is more stable, the wheel pair cannot shake in the detection process, the limiting effect is further improved, heat generated by the bearings in the rotation process is prevented from being dissipated, and the temperature accuracy detected by the infrared temperature measuring probe 30 is further improved; the radian on the elastic heat insulation layer 223 is equal to the arc degree of the clamping wheel block 22, so that the clamping of the elastic heat insulation layer 223 and the clamping wheel block 22 on the bearing is tighter, the gap phenomenon cannot occur, and the clamping effect is better.
As shown in fig. 1, 2 and 4, the guide device 40 further includes a guide mechanism 40, the guide mechanism 40 includes a cylinder flange 41, a guide sleeve 42, a wheel clamping guide rod 43 and a second fixing bolt 431, the cylinder flange 41 is fixed on the wheel clamping seat 10, the guide sleeve 42 is symmetrically fixed on both sides of the cylinder flange 41, the wheel clamping guide rod 43 penetrates through the guide sleeve 42, and the bottom of the wheel clamping guide rod 43 is fixed on the wheel clamping block 22 through the second fixing bolt 431.
The hydraulic stem 21 drives the card wheel piece 22 and removes, and the card wheel guide arm 43 on the card wheel piece 22 removes in the guide pin bushing 42 that sets up on cylinder flange 41, and supplementary restriction card wheel piece 22 only can remove on vertically putting, plays the guide effect to can make the card wheel piece 22 more stable in the position when removing, the card wheel piece 22 is better to the spacing effect of wheel pair bearing.
As shown in fig. 4, a third fixing bolt 211 is disposed on the cylinder flange 41, and the third fixing bolt 211 is fixedly connected to the hydraulic rod 21.
Be equipped with seal ring between hydraulic stem 21 and the cylinder flange 41, restrict the position between hydraulic stem 21 and the cylinder flange 41 through third fixing bolt 211, seal ring can make the laminating between the two inseparabler, can not produce and rock the phenomenon.
As shown in fig. 4, a connecting block 222 is fixed to the bottom of the hydraulic rod 21, a first fixing bolt 221 is disposed between the bottom of the connecting block 222 and the wheel clamping block 22, and the first fixing bolt 221 is embedded in the connecting block 222.
The first fixing bolt 221 can limit the position between the connecting block 222 and the wheel clamping block 22, and the first fixing bolt 221 is embedded in the connecting block 222, so that the first fixing bolt 22 can be prevented from influencing the operation space when the hydraulic rod 21 is connected with the connecting block 222, and a user can conveniently connect the hydraulic rod 21 and the connecting block 222.
As shown in fig. 1, right-angle baffles 11 are symmetrically welded on both sides of the clamping wheel seat 10, the distance between the two right-angle baffles 11 is equal to the width of the hydraulic rod 21, and the right-angle baffles 11 limit the position of the hydraulic rod 21.
Can strengthen the holistic intensity of kayser wheel seat 10 on the one hand through right angle baffle 11, further improve the holistic stability of kayser wheel seat 10, on the other hand can assist the position that restriction hydraulic stem 21 is located on kayser wheel seat 10, and the position of hydraulic stem 21 both sides obtains the restriction, can not produce and rock the phenomenon for the position of hydraulic stem 21 is more stable.
As shown in fig. 5-6, the running-in machine further comprises a running-in machine workbench 50, the bottom of the clamping wheel seat 10 is fixed at the bottom of the running-in machine workbench 50 through bolts, a limiting seat 51 is fixed on the same vertical line with the clamping wheel block 22 on the running-in machine workbench 50, the top of the limiting seat 51 is of an arc structure, and the arc degree of the limiting seat 51 is equal to the arc degree of the elastic heat insulation layer 223 and the arc degree of the clamping wheel block 22.
Mutually support between spacing seat 51 and the card wheel piece 22, carry out the restriction in the position to the bearing on the wheel pair, the radian of spacing seat 51 equals with the radian of elastic thermal insulation layer 223 and the radian of card wheel piece 22 for spacing seat 51, elastic thermal insulation layer 223 and card wheel piece 22 three are better with the bearing laminating on the wheel pair, and elastic thermal insulation layer 223's heat preservation effect further obtains improving.
In this embodiment, when the device is used, a wheel pair requiring bearing detection is moved onto a running-in machine workbench 50, a bearing on the wheel pair is placed in a limiting seat 51 on the running-in machine workbench 50, a hydraulic rod 21 in a pressure mechanism 20 works to drive a wheel clamping block 22 to move downwards, in the process that the wheel clamping block 22 moves downwards, a wheel clamping guide rod 43 on the wheel clamping block 22 moves in a guide sleeve 42 on an air cylinder flange 41, and plays a guiding role for the wheel clamping block 22, when an elastic heat insulation layer 223 on the wheel clamping block 22 wraps the bearing and is in contact with the limiting seat 51, the hydraulic rod 21 stops working, and the bearing on the wheel pair is limited by the wheel clamping block 22, the limiting seat 51 and the elastic heat insulation layer 223;
other actuating mechanism in the running-in machine workstation 50 drive the wheel pair and rotate, and the wheel pair rotates the axis that drives the wheel centering and rotates for bearing position department rubs, utilizes the infrared temperature probe 30 in the card wheel piece 22 to detect the stability that the friction in-process produced, thereby confirms the quality of bearing, carries out the in-process that detects at infrared temperature probe 30, and elastic thermal insulation layer 223 can prevent that the heat that the bearing produced from giving off, makes the temperature measurement result of infrared temperature probe 30 more accurate.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a pneumatic wheel set compresses tightly positioning mechanism of railway wheel set antifriction bearing running-in machine which characterized in that: the device comprises a clamping wheel seat (10), a pressing wheel mechanism (20) and an infrared temperature measuring probe (30), wherein the clamping wheel seat (10) is of a right-angle structure, the pressing wheel mechanism (20) is arranged at the end part of a horizontal rod of the clamping wheel seat (10), and the pressing wheel mechanism (20) is used for limiting the position of a wheel pair;
the pressing wheel mechanism (20) comprises a hydraulic rod (21) and a clamping wheel block (22), the bottom of the hydraulic rod (21) is connected with the clamping wheel block (22), the middle position of the bottom of the clamping wheel block (22) is of an arc-shaped structure, and an infrared temperature measuring probe (30) for detecting the temperature of the surface of the bearing by a wheel pair is arranged on the arc-shaped surface of the bottom of the clamping wheel block (22).
2. The pneumatic wheel set compressing and positioning mechanism of the railway wheel set rolling bearing running-in machine according to claim 1, characterized in that: elastic thermal insulation layers (223) are fixed to two sides of the bottom of the clamping wheel block (22) through screws, opposite faces of the elastic thermal insulation layers (223) are of arc-shaped structures, the arc degree of each elastic thermal insulation layer (223) is equal to that of the clamping wheel block (22), and inclined plane blocks (224) are fixed to the bottom of each elastic thermal insulation layer (223).
3. The pneumatic wheel set compressing and positioning mechanism of the railway wheel set rolling bearing running-in machine according to claim 2, characterized in that: the clamping wheel mechanism is characterized by further comprising a guide mechanism (40), wherein the guide mechanism (40) comprises a cylinder flange (41), a guide sleeve (42), a clamping wheel guide rod (43) and a second fixing bolt (431), the cylinder flange (41) is fixed on the clamping wheel seat (10), the guide sleeve (42) is symmetrically fixed on two sides of the cylinder flange (41), the clamping wheel guide rod (43) penetrates through the inside of the guide sleeve (42), and the bottom of the clamping wheel guide rod (43) is fixed on the clamping wheel block (22) through the second fixing bolt (431).
4. The pneumatic wheel set compressing and positioning mechanism of the railway wheel set rolling bearing running-in machine according to claim 3, characterized in that: and a third fixing bolt (211) is arranged on the cylinder flange (41), and the third fixing bolt (211) is fixedly connected with the hydraulic rod (21).
5. The pneumatic wheel set compressing and positioning mechanism of the railway wheel set rolling bearing running-in machine according to claim 4, characterized in that: the bottom of the hydraulic rod (21) is fixed with a connecting block (222), a first fixing bolt (221) is arranged between the bottom of the connecting block (222) and the clamping wheel block (22), and the first fixing bolt (221) is embedded into the connecting block (222).
6. The pneumatic wheel set compressing and positioning mechanism of the railway wheel set rolling bearing running-in machine according to any one of claims 1 to 5, characterized in that: the clamp wheel seat is characterized in that right-angle baffles (11) are symmetrically welded on two sides of the clamp wheel seat (10), the distance between the right-angle baffles (11) is equal to the width of a hydraulic rod (21), and the right-angle baffles (11) limit the position of the hydraulic rod (21).
7. The pneumatic wheel set compressing and positioning mechanism of the railway wheel set rolling bearing running-in machine according to any one of claims 1 to 5, characterized in that: the clamp wheel block structure is characterized by further comprising a running-in machine workbench (50), the bottom of the clamp wheel seat (10) is fixed to the bottom of the running-in machine workbench (50) through bolts, and a limiting seat (51) is fixed to the running-in machine workbench (50) and the clamp wheel block (22) on the same vertical line.
8. The pneumatic wheel set compressing and positioning mechanism of the railway wheel set rolling bearing running-in machine according to claim 7, characterized in that: the top of the limiting seat (51) is of an arc-shaped structure, and the radian of the limiting seat (51) is equal to the radian of the elastic heat-insulating layer (223) and the radian of the clamping wheel block (22).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921741796.0U CN210834170U (en) | 2019-10-17 | 2019-10-17 | Pneumatic wheel set compressing and positioning mechanism of railway wheel set rolling bearing running-in machine |
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| CN201921741796.0U CN210834170U (en) | 2019-10-17 | 2019-10-17 | Pneumatic wheel set compressing and positioning mechanism of railway wheel set rolling bearing running-in machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553842A (en) * | 2019-10-17 | 2019-12-10 | 安徽瑞铁轨道装备有限公司 | Pneumatic wheel set compressing and positioning mechanism of railway wheel set rolling bearing running-in machine |
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2019
- 2019-10-17 CN CN201921741796.0U patent/CN210834170U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553842A (en) * | 2019-10-17 | 2019-12-10 | 安徽瑞铁轨道装备有限公司 | Pneumatic wheel set compressing and positioning mechanism of railway wheel set rolling bearing running-in machine |
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