CN213481721U - Detection device for railway wagon wheel pair - Google Patents
Detection device for railway wagon wheel pair Download PDFInfo
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- CN213481721U CN213481721U CN202022473428.1U CN202022473428U CN213481721U CN 213481721 U CN213481721 U CN 213481721U CN 202022473428 U CN202022473428 U CN 202022473428U CN 213481721 U CN213481721 U CN 213481721U
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Abstract
The utility model discloses a detection device for a railway freight car wheel pair, which comprises a central bracket, a wheel bracket, a clamping mechanism and a dial indicator, wherein the central bracket is arranged on a supporting platform; the center bracket is arranged in the middle part and used for supporting the axle of the wheel pair and comprises a tray body with a V-shaped cross section and a bearing base, and the tray body is driven to lift through a rotating wheel and a screw rod of the lifting device; the wheel supports are respectively positioned at two ends of the central bracket and are used for supporting wheels of the wheel pair; the clamping mechanism comprises a supporting headstock and a supporting tailstock which are respectively arranged at the two ends of the supporting platform and at the outer ends of the two groups of wheel supports; and dial indicators are respectively arranged at the sides of the clamping mechanisms. The utility model discloses the device is used for beating the detection of and the axle journal is crooked to wheel tread, and is not connected with ground, need not connect power, wind regime to axletree centre bore location adopts the support headstock of similar lathe and the head, the tailstock top of supporting the tailstock to push up the wheel pair tightly and lock, adopts the percentage table side head to arrange the detection position in, and rotatory wheel pair detects.
Description
Technical Field
The utility model belongs to the technical field of the design is equipped in the detection, especially belong to the railway vehicle component and detect and equip the design technique, in particular to be used for railway freight car wheel to carrying out the detection device that the tread is beated and the axle journal is crooked.
Background
Aiming at the detection of wheel set tread runout and journal bending, a simple eccentric measurer is mainly adopted at present, the outer circle of a journal is used as a positioning reference for detection, and the positioning detection mode has the defect of inaccuracy. The detection can also be carried out by adopting a large-scale detection machine tool, but the equipment has the advantages of complex structure, higher cost, lower detection efficiency and high failure rate; generally, large-scale detection equipment needs to be connected with the ground, cannot move, cannot meet the requirements of more complex field detection, and is narrow in application range.
Disclosure of Invention
The utility model discloses a not enough according to prior art discloses a detection device that is used for railway freight car wheel to wheel tread. The utility model aims at providing a need not power, it is convenient to remove, adaptable in multiple environment, detects convenient and reliable railway freight car wheel and beats and the crooked detection device of axle journal to the tread.
The utility model discloses a following technical scheme realizes:
a detection device for railway freight car wheel pair, its characterized in that: the wheel clamping device comprises a central bracket, a wheel bracket, a clamping mechanism and a dial indicator, wherein the central bracket, the wheel bracket, the clamping mechanism and the dial indicator are arranged on a supporting platform;
the center bracket is arranged in the middle of the supporting platform and used for supporting the axle of the wheel pair, the center bracket comprises a tray body with a V-shaped cross section and a bearing base, and the tray body can be driven by a rotating wheel and a screw rod of the lifting device to lift on the base;
the wheel supports are arranged in two groups, are respectively positioned at two ends of the central bracket and are used for supporting wheels of the wheel pair, and comprise V-shaped supports with V-shaped cross sections and are fixed on the supporting platform through support bases;
the clamping mechanism comprises a supporting headstock and a supporting tailstock which are respectively arranged at the two ends of the supporting platform and at the outer ends of the two groups of wheel supports; the supporting headstock and the supporting tailstock are respectively provided with a fixed supporting rod, the fixed supporting rod is connected with and supports a rotatable supporting rod, and the end part of the supporting rod is provided with a dial indicator for detection;
the supporting headstock, the central bracket, the two groups of wheel supports and the supporting tailstock are arranged along the longitudinal central line of the supporting platform.
The supporting headstock or the supporting tailstock comprises a hand wheel, a clamping seat and a clamping center, wherein the clamping seat is fixed on the supporting platform through a clamping support, and the hand wheel drives the clamping center to move through driving a screw rod arranged in the clamping seat so as to realize rotatable clamping and fixing of the center of the shaft end of the wheel.
The fixed supporting rod and the rotatable supporting rod which support the dial indicator form a multi-joint supporting rod which is used for randomly adjusting the approach detection wheel pair of the end dial indicator.
The four corners of the tray body are supported through sleeve sliding rods, and a driving screw rod of the lifting device is arranged at the bottom of the center of the tray body and driven through a rotating wheel.
The utility model discloses the device is used for railway freight car wheel to the tread to beat and the crooked detection of axle journal, and is not connected with ground, need not connect power, wind regime, and convenient the removal can be placed in the optional position as required. The axle center hole is used for positioning, the wheel set is tightly pushed and locked by adopting a supporting headstock similar to a machine tool and a head and tailstock center of a supporting tailstock, the side head of the dial indicator is arranged at a detection position, and the wheel set is rotated for detection. The device has adjustable size and can be suitable for detecting the wagon wheel pairs of various railways such as meter-gauge, standard-gauge and wide-gauge.
Drawings
FIG. 1 is a schematic view of the detecting device of the present invention;
FIG. 2 is a schematic view of the structure of the center bracket of the device of the present invention;
FIG. 3 is a schematic view of the V-shaped protection frame of the device of the present invention;
fig. 4 is a schematic view of the clamping headstock and clamping tailstock of the apparatus of the present invention;
fig. 5 is a schematic diagram of a dial indicator and a gauge stand of the device of the present invention.
In the figure, 1 is a wheel pair, 2 is a dial gauge seat, 21 is a dial gauge, 22 is a rotary supporting rod, 23 is a fixed supporting rod, 3 is a clamping mechanism, 31 is a hand wheel, 32 is a clamping seat, 33 is a clamping tip, 4 is a clamping support, 5 is a supporting platform, 6 is a central bracket, 61 is a base plate, 62 is a tray body, 63 is a lifting device, 64 is a sleeve sliding rod, 65 is a base, 7 is a roller support, 71 is a V-shaped support, and 72 is a support base.
Detailed Description
The present invention will be further described with reference to the following embodiments, which are intended to illustrate the principles of the present invention without limiting the present invention in any way, and the present invention is not beyond the scope of the present invention.
With reference to the attached drawings.
As shown in the figure, the detection device for the railway wagon wheel pair comprises a central bracket 6, a wheel bracket 7, a clamping mechanism 3 and a dial indicator 21, which are arranged on a supporting platform 5;
the central bracket 6 is arranged in the middle of the supporting platform 5 and used for supporting the axle of the wheel set 1, the central bracket 6 comprises a tray body 62 with a V-shaped cross section and a bearing base 65, and the tray body 62 can ascend and descend on the base 65 through the driving of a rotating wheel and a screw rod of the lifting device 63;
two groups of wheel supports 7 are arranged and are respectively positioned at two ends of the central bracket 6 and used for supporting wheels of the wheel pair 1, and each wheel support 7 comprises a V-shaped support 71 with a V-shaped cross section and is fixed on the supporting platform 5 through a support base 72;
the clamping mechanism 3 comprises a supporting head frame and a supporting tail seat which are respectively arranged at the two ends of the supporting platform 5 and at the outer ends of the two groups of V-shaped wheel supports; the supporting headstock and the supporting tailstock are respectively provided with a fixed supporting rod 23, the fixed supporting rod 23 is connected with and supports a rotatable supporting rod 22, and the end part of the rotatable supporting rod 22 is provided with a dial indicator 21 for detection;
the supporting headstock, the central bracket 6, the two groups of wheel supports 7 and the supporting tailstock are arranged along the longitudinal central line of the supporting platform 5.
The supporting headstock or the supporting tailstock respectively comprises a hand wheel 31, a clamping seat 32 and a clamping tip 33, the clamping seat 32 is fixed on the supporting platform 5 through a clamping support 4, and the hand wheel 31 drives the clamping tip 33 to move through a screw rod arranged in the clamping seat 31 so as to realize the rotatable clamping fixation of the center of the axle end of the wheel.
The fixed support rod 23 and the rotatable support rod 22 for supporting the dial indicator 21 form a multi-joint support rod for arbitrarily adjusting the proximity detection wheel pair of the end dial indicator.
Four corners of the tray body 62 are supported by sleeve sliding rods 64, and a driving screw rod of the lifting device 63 is arranged at the bottom of the center of the tray body 62 and driven by a rotating wheel.
When the wheel pair is detected, hoisting equipment is adopted to place the detected wheel pair 1 on the central bracket 6 of the device, and the clamping devices on the two sides are driven to tightly push the wheel pair 1, so that the wheel pair 1 is separated from the central bracket 6. And moving a dial indicator seat, placing the side head of a dial indicator 21 on a wheel set tread and a journal, manually rotating the wheel for at least one circle, and observing the reading of the dial indicator, namely the tread bounce or the journal bending detection value, wherein the tread bounce is less than or equal to 0.6mm, and the journal bending degree is less than or equal to 0.15 mm.
After the test is completed, the dial indicator 21 is removed from the wheelset and the clamping devices on both sides are released, the axle is placed on the central bracket 6 and the axle is lifted off the device using a lifting device.
Claims (4)
1. A detection device for a railway wagon wheel pair is characterized in that: the wheel clamping device comprises a central bracket, a wheel bracket, a clamping mechanism and a dial indicator, wherein the central bracket, the wheel bracket, the clamping mechanism and the dial indicator are arranged on a supporting platform;
the center bracket is arranged in the middle of the supporting platform and used for supporting the axle of the wheel pair, the center bracket comprises a tray body with a V-shaped cross section and a bearing base, and the tray body can be driven by a rotating wheel and a screw rod of the lifting device to lift on the base;
the wheel supports are arranged in two groups, are respectively positioned at two ends of the central bracket and are used for supporting wheels of the wheel pair, and comprise V-shaped supports with V-shaped cross sections and are fixed on the supporting platform through support bases;
the clamping mechanism comprises a supporting headstock and a supporting tailstock which are respectively arranged at the two ends of the supporting platform and at the outer ends of the two groups of wheel supports; the supporting headstock and the supporting tailstock are respectively provided with a fixed supporting rod, the fixed supporting rod is connected with and supports a rotatable supporting rod, and the end part of the supporting rod is provided with a dial indicator for detection;
the supporting headstock, the central bracket, the two groups of wheel supports and the supporting tailstock are arranged along the longitudinal central line of the supporting platform.
2. A detector arrangement for a railway wagon wheel pair as claimed in claim 1, wherein: the supporting headstock or the supporting tailstock respectively comprises a hand wheel, a clamping seat and a clamping tip, the clamping seat is fixed on the supporting platform through a clamping support, and the hand wheel drives the clamping tip to move through a screw rod arranged in the clamping seat so as to realize rotatable clamping and fixing of the center of the shaft end of the wheel.
3. A detector arrangement for a railway wagon wheel pair as claimed in claim 1, wherein: and a fixed supporting rod supporting the dial indicator and a rotatable supporting rod form a multi-joint supporting rod for randomly adjusting the end part of the dial indicator to be close to the detection wheel pair.
4. A detector arrangement for a railway wagon wheel pair as claimed in claim 1, wherein: the four corners of the tray body are supported through sleeve sliding rods, and a driving screw rod of the lifting device is arranged at the bottom of the center of the tray body and driven through a rotating wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022473428.1U CN213481721U (en) | 2020-10-31 | 2020-10-31 | Detection device for railway wagon wheel pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022473428.1U CN213481721U (en) | 2020-10-31 | 2020-10-31 | Detection device for railway wagon wheel pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213481721U true CN213481721U (en) | 2021-06-18 |
Family
ID=76368825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022473428.1U Active CN213481721U (en) | 2020-10-31 | 2020-10-31 | Detection device for railway wagon wheel pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213481721U (en) |
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2020
- 2020-10-31 CN CN202022473428.1U patent/CN213481721U/en active Active
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