CN217707560U - Automatic wheel set is positioning mechanism for carousel - Google Patents
Automatic wheel set is positioning mechanism for carousel Download PDFInfo
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- CN217707560U CN217707560U CN202221491276.0U CN202221491276U CN217707560U CN 217707560 U CN217707560 U CN 217707560U CN 202221491276 U CN202221491276 U CN 202221491276U CN 217707560 U CN217707560 U CN 217707560U
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Abstract
The utility model discloses a positioning mechanism for an automatic wheel set turntable, which is arranged outside a turntable, and comprises a positioning pin and a linear driving unit, wherein the turntable is provided with positioning holes on the outer cylindrical surface, and the two positioning holes are arranged at an interval of 90 degrees; the working end of the linear driving unit is connected with the positioning pin, and the head of the positioning pin can be positioned in the positioning hole. The utility model discloses automatic wheel is positioning mechanism for carousel can accurate location carousel revolving stage, has improved equipment operation security performance.
Description
Technical Field
The utility model relates to a wheel pair carousel technical field especially relates to an automatic positioning mechanism for wheel pair carousel.
Background
The automatic wheelset rotary table is reversing equipment for the wheelset of the vehicle when the wheelset rotates in an inspection workshop. After the wheel pair rolls into the center of the turntable, the turntable stops the wheel pair and rotates automatically, generally by 90 degrees, and after the wheel pair is in place, the wheel pair is automatically fed into a track vertical to the incoming direction.
The reciprocating rotation of the wheel set rotating disc must be aligned accurately with the rails in two directions to ensure that the wheel set can smoothly enter and exit the wheel set rotating disc without danger. However, the existing wheel set rotating disc is often driven by a chain wheel or a gear, a proximity switch is used for acquiring signals of the positions of the blocking pieces in two directions, and an electric cabinet controls the driving device to stop running and stop in place. The positioning mode has a driving gap between the driving wheel and the rotary wheel, so that the stop positioning position at each time is not accurate, errors can occur, and the risk that the wheel pair is difficult to pass in and out or even falls off can be caused.
Therefore, it is necessary to develop a positioning mechanism for a turntable of an automatic wheelset to address the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic wheel is positioning mechanism for carousel can accurate location carousel revolving stage, has improved equipment operation security performance.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a positioning mechanism for an automatic wheel set turntable, which is arranged outside a turntable and comprises a positioning pin and a linear driving unit, wherein the turntable is provided with positioning holes on an outer cylindrical surface, and the two positioning holes are arranged at an interval of 90 degrees; the working end of the linear driving unit is connected with the positioning pin, and the head of the positioning pin can be positioned in the positioning hole.
Furthermore, the positioning hole is a taper hole, and the head of the positioning pin is provided with a taper head and is matched with the taper hole.
Furthermore, the turntable is provided with a mounting groove at the position of the positioning hole, a positioning block is arranged in the mounting groove, and the positioning hole is formed in the outer surface of the positioning block.
Further, the linear driving unit comprises an air cylinder and an electromagnetic directional valve, a piston rod of the air cylinder is coaxially connected with the positioning pin, and the electromagnetic directional valve controls an air path of the air cylinder.
Furthermore, the locating pin further comprises a guide sleeve, the guide sleeve is sleeved outside the locating pin and supported by an independent support, and the end of a piston rod of the air cylinder is connected with a pin shaft hole in the tail of the locating pin through a pin shaft.
Further, still include second proximity switch, the locating pin afterbody is provided with spacing separation blade, second proximity switch sets up on the outer wall of uide bushing, second proximity switch's detecting head orientation spacing separation blade just can survey out the signal feedback that spacing separation blade is close to the equipment electric cabinet.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model relates to an automatic wheel is positioning mechanism for carousel, through the locating pin is connected to linear drive unit's work end, and the locating hole mode is connected to the locating pin, and the corner position that can accurate location carousel revolving stage has improved equipment operation security performance.
In addition, through setting up the locating hole for the taper hole, can smoothly guide the inserting of locating pin, the same taper fit of the two simultaneously can further improve positioning accuracy. Through setting up the locating piece that has the locating hole, can avoid directly seting up the locating hole at the carousel revolving stage, the locating hole that directly sets up can't be changed after later stage wearing and tearing, changes the locating piece of wearing and tearing alone during the maintenance, can improve equipment's life by a wide margin. The positioning pin is driven by the cylinder to act quickly, the response speed block can adjust the ejecting force by adjusting the pressure of the compressed air. The guide sleeve guides the sliding positioning pin, so that the positioning pin connected with the tail end pin shaft can be ensured to do linear reciprocating motion. Through the cooperation setting of spacing separation blade and second proximity switch, can detect whether the locating pin pushes up in place before, the malfunction that leads to when avoiding appearing the atmospheric pressure unstability.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
Fig. 1 is a schematic top view of a wheel set turntable with the wheel set turntable of the present invention;
fig. 2 is a schematic view of the tripping state of the positioning mechanism for the automatic wheel set turntable;
fig. 3 is a schematic view of the locking state of the positioning mechanism for the automatic wheel set turntable.
Description of the reference numerals: 1. a turntable; 101. positioning holes; 102. positioning blocks; 2. a main drive device; 201. a drive wheel; 3. positioning pins; 301. a limiting baffle plate; 302. a pin shaft hole; 4. a cylinder; 5. an electromagnetic directional valve; 6. a first proximity switch; 7. a guide sleeve; 8. a second proximity switch.
Detailed Description
The core of the utility model is to provide an automatic wheel is positioning mechanism for carousel can accurate location carousel revolving stage, has improved equipment operation security performance.
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to the drawings, fig. 1 is a schematic top view structure diagram of a wheel set turntable with the wheel set turntable of the present invention;
fig. 2 is a schematic view of the tripping state of the positioning mechanism for the automatic wheel set turntable according to the present invention; fig. 3 is the structure schematic diagram of the locking state of the positioning mechanism for the automatic wheel set turntable.
In one embodiment, as shown in fig. 1 to 3, a positioning mechanism for an automatic wheelset turntable is provided on the outer side of a turntable 1, and includes a positioning pin 3 and a linear driving unit. The turntable 1 is provided with positioning holes 101 on the outer cylindrical surface, and the two positioning holes 101 are arranged at an interval of 90 degrees. The working end of the linear driving unit is connected with a positioning pin 3, and the head of the positioning pin 3 can be positioned in the positioning hole 101.
When the automatic wheel pair turntable works, the driving device 2 adopts a speed reduction motor to drive the driving wheel 201 to rotate, and the outer gear ring bolt meshed with the driving wheel 201 is installed on the turntable 1, namely the turntable 1 starts to rotate. When the first proximity switch 6 detects a signal that the separation blade passes through, the signal is fed back to the electric cabinet of the equipment, and the electric cabinet controls the speed reduction motor to stop working. At this time, the accuracy of the stop position of the turntable 1 is not high due to the influence of the transmission gap. The electric cabinet controls the linear driving unit to act in a delayed mode, the working end is ejected inwards, the head of the positioning pin 3 is driven to be positioned in the positioning hole 101, and the positioning pin 3 can drive the turntable 1 to slightly rotate in the entering process to enter an accurate positioning position. When it needs to be rotated again, the linear driving unit acts to bring back the positioning pin 3.
Through locating pin 3 is connected to linear drive unit's work end, and the corner position of carousel revolving stage 1 can be accurately positioned to the mode of locating pin 3 pin joint locating hole 101, has improved equipment operation security performance.
In one embodiment, as shown in fig. 2 and 3, the positioning hole 101 is a tapered hole, and the head of the positioning pin 3 is configured as a tapered head and is axially matched with the tapered hole.
Through setting up locating hole 101 for the taper hole, can smoothly guide the inserting of locating pin 3, the same taper fit of the two simultaneously can further improve positioning accuracy.
In a specific embodiment, as shown in fig. 2 and 3, the turntable 1 is provided with an installation groove at the position of the positioning hole 101, the installation groove is provided with a positioning block 102 therein by a countersunk head bolt, and the positioning hole 101 is provided on the outer surface of the positioning block 102.
Through setting up the locating piece 102 that has locating hole 101, can avoid directly seting up locating hole 101 at carousel revolving stage 1, the locating hole that directly offers can't be changed after later stage wearing and tearing, changes the locating piece 102 of wearing and tearing alone during the maintenance, can improve equipment's life by a wide margin.
In a specific embodiment, as shown in fig. 1 and 2, the linear driving unit includes a cylinder 4 and an electromagnetic directional valve 5, a piston rod of the cylinder 4 is coaxially connected with the positioning pin 3, and the electromagnetic directional valve 5 controls an air passage of the cylinder 4.
Obviously easily see, linear drive unit also can adopt pneumatic cylinder or electric putter to realize linear reciprocating motion's drive, and similar deformation mode all falls into among the utility model discloses a protection scope.
Particularly, as shown in fig. 2 and 3, the utility model discloses automatic wheel is positioning mechanism for carousel still includes uide bushing 7, and 7 covers of uide bushing are established outside locating pin 3 and are adopted independent support to support, and locating pin 3 is the direction slip in uide bushing 7. The end of the piston rod of the cylinder 4 is connected with a pin shaft hole 302 at the tail part of the positioning pin 3 through a pin shaft. The tail seat of the cylinder 4 is also supported by a pin shaft in a connecting way, and two pin shafts are arranged in parallel.
Particularly, as shown in fig. 2 and 3, the utility model discloses automatic wheel is positioning mechanism for carousel still includes second proximity switch 8, and 3 afterbody of locating pin are provided with spacing separation blade 301, and second proximity switch 8 sets up on the outer wall of uide bushing 7, and the detecting head of second proximity switch 8 is towards spacing separation blade 301 and can survey the signal feedback that spacing separation blade 301 is close to the equipment electric cabinet.
The positioning pin 3 is driven by the air cylinder 4 to act quickly, the response speed block is high, and the ejecting force can be adjusted by adjusting the pressure of compressed air. The guide sleeve 7 is used for guiding the sliding positioning pin 3, so that the positioning pin 3 connected with the tail end pin shaft can be ensured to do linear reciprocating motion. Through the cooperation setting of spacing separation blade 301 and second proximity switch 8, can detect whether preceding top of locating pin 3 targets in place, the malfunction that leads to when avoiding appearing the atmospheric pressure unstability.
The utility model discloses automatic wheel is positioning mechanism for carousel, through locating pin 3 is connected to linear drive unit's work end, and 3 pin joint locating holes 101 modes of locating pin can accurate positioning turntable revolving stage 1's corner position, have improved equipment operation security performance. In addition, the positioning hole 101 is a taper hole, so that the positioning pin 3 can be smoothly inserted, and the positioning precision can be further improved due to the same taper fit of the positioning hole and the taper hole. Through setting up the locating piece 102 that has locating hole 101, can avoid directly seting up locating hole 101 at carousel revolving stage 1, the locating hole that directly offers can't be changed after later stage wearing and tearing, changes the locating piece 102 of wearing and tearing alone during the maintenance, can improve equipment's life by a wide margin. The positioning pin 3 is driven by the air cylinder 4 to act quickly, the response speed block is high, and the ejecting force can be adjusted by adjusting the pressure of compressed air. The guide sleeve 7 is used for guiding the sliding positioning pin 3, so that the positioning pin 3 connected with the tail end pin shaft can be ensured to do linear reciprocating motion. Through the cooperation setting of limiting barrier 301 and second proximity switch 8, can detect whether locating pin 3 pushes up in place before, avoid appearing the malfunction that leads to when atmospheric pressure is unstable.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed in the embodiment corresponds to the method disclosed in the embodiment, so that the description is simple, and the relevant points can be referred to the description of the method part.
The above-mentioned embodiments are only described in the preferred embodiments of the present invention, but not limited to the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (6)
1. A positioning mechanism for an automatic wheel set turntable is arranged on the outer side of a turntable (1) and is characterized by comprising a positioning pin (3) and a linear driving unit, wherein a positioning hole (101) is formed in the outer cylindrical surface of the turntable (1), and the two positioning holes (101) are arranged at an interval of 90 degrees; the working end of the linear driving unit is connected with the positioning pin (3), and the head of the positioning pin (3) can be positioned in the positioning hole (101).
2. The positioning mechanism for automatic wheelset turntables according to claim 1, wherein: the positioning hole (101) is a taper hole, and the head of the positioning pin (3) is provided with a taper head and matched with the taper hole.
3. The positioning mechanism for automatic wheelset turntable according to claim 2, characterized in that: the turntable rotary table (1) is provided with a mounting groove at the position of the positioning hole (101), a positioning block (102) is arranged in the mounting groove, and the positioning hole (101) is formed in the outer surface of the positioning block (102).
4. The positioning mechanism for automatic wheelset turntable according to claim 1, characterized in that: the linear driving unit comprises a cylinder (4) and an electromagnetic directional valve (5), a piston rod of the cylinder (4) is coaxially connected with the positioning pin (3), and the electromagnetic directional valve (5) controls an air path of the cylinder (4).
5. The positioning mechanism for automatic wheelset turntable according to claim 4, wherein: still include uide bushing (7), uide bushing (7) cover is established outside locating pin (3) and is adopted independent support to support, cylinder (4) piston rod end is through the round pin hub connection the round pin shaft hole (302) of locating pin (3) afterbody.
6. The positioning mechanism for automatic wheelset turntables according to claim 5, wherein: still include second proximity switch (8), locating pin (3) afterbody is provided with spacing separation blade (301), second proximity switch (8) set up on the outer wall of uide bushing (7), the detecting head orientation of second proximity switch (8) spacing separation blade (301) just can be surveyed the signal feedback that spacing separation blade (301) are close to is to the equipment electric cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221491276.0U CN217707560U (en) | 2022-06-15 | 2022-06-15 | Automatic wheel set is positioning mechanism for carousel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221491276.0U CN217707560U (en) | 2022-06-15 | 2022-06-15 | Automatic wheel set is positioning mechanism for carousel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217707560U true CN217707560U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221491276.0U Active CN217707560U (en) | 2022-06-15 | 2022-06-15 | Automatic wheel set is positioning mechanism for carousel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217707560U (en) |
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2022
- 2022-06-15 CN CN202221491276.0U patent/CN217707560U/en active Active
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