CN214647309U - Dual-purpose wheel device for overhead contact line operation ladder truck - Google Patents
Dual-purpose wheel device for overhead contact line operation ladder truck Download PDFInfo
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- CN214647309U CN214647309U CN202121299234.2U CN202121299234U CN214647309U CN 214647309 U CN214647309 U CN 214647309U CN 202121299234 U CN202121299234 U CN 202121299234U CN 214647309 U CN214647309 U CN 214647309U
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- ladder car
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- supporting rod
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Abstract
The utility model particularly relates to a contact net operation ladder is automobile-used dual-purpose type wheel device has solved the wheel replacement operation of current contact net operation ladder car and has hindered man-hour, easily lose worker's machines, the unable problem of guaranteeing of installation fastness. A dual-purpose wheel device for a contact net operation ladder truck comprises a first connecting plate, wherein a first supporting rod is arranged in the middle of the front surface of the first connecting plate, a first bearing is sleeved on the outer side of the front part of the first supporting rod, an adjusting plate is fixedly sleeved on the outer side of the outer ring of the first bearing, a second supporting rod is arranged at each of three corners of the adjusting plate, and a second bearing is sleeved on the outer side of the front part of each second supporting rod; the metal ladder car wheels and the two nylon ladder car wheels are respectively and fixedly sleeved outside the outer rings of the three II bearings. The utility model discloses a convenient conversion of operation ladder car wheel has effectively improved the conversion efficiency of operation ladder car wheel, has effectively improved the stability of operation ladder car when using, can adapt to different construction requirements.
Description
Technical Field
The utility model relates to a wheel device is used in railway construction, specifically is a contact net operation ladder is automobile-used dual-purpose wheel device.
Background
The contact net operation tower wagon is the instrument commonly used in the railway construction, and the material of the wheel of current contact net operation tower wagon has insulating material and metal material two kinds, needs to change the wheel of two kinds of materials according to the construction demand in the use.
Practice shows, however, that the wheel replacement operation of the existing catenary operation tower wagon has the following problems: when the ladder car needs to be laid down and lifted away from the rail during replacement, the original wheels are disassembled, the new wheels are installed, a large amount of working hours can be delayed in the disassembling and assembling process, tools and tools are easy to lose during assembly, and frequent replacement easily leads to the fact that the installation firmness cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the wheel change operation of current contact net operation tower wagon and hinder the problem that man-hour, easily lose worker's machines, installation fastness can't be guaranteed, provide a contact net operation tower wagon is with dual-purpose wheel device.
The utility model discloses an adopt following technical scheme to realize:
the utility model provides a dual-purpose wheel device is used to contact net operation terraced car, including nylon terraced car wheel and metal terraced car wheel, still include the horizontal upright first connecting plate of fixed connection in operation terraced car bottom, the front surface middle part of first connecting plate is along vertically being provided with the columniform first I bracing piece of rear end rather than fixed, the anterior outside cover of first I bracing piece is equipped with the first I bearing of inner circle rather than fixed cup joint, the outer side fixed cover of outer lane of first I bearing is equipped with the horizontal upright regulating plate of triangle-shaped, the three bight of regulating plate all is provided with the columniform second II bracing piece of rear portion rather than fixed connection along vertical, the anterior outside of every second II bracing piece all overlaps the second bearing that is equipped with the inner circle rather than fixed cup joint; the quantity of nylon ladder car wheel is two, the quantity of metal ladder car wheel is one, and metal ladder car wheel and two nylon ladder car wheels are fixed respectively to be cup jointed in the outside of the outer lane of three II bearings.
Furthermore, a transverse upright II connecting plate is fixed on the front side of the transverse connecting beam at the bottom of the operation ladder truck, and the I connecting plate is fixedly connected with the II connecting plate through four connecting bolts distributed in a rectangular shape.
Furthermore, three edge portions of the adjusting plate are all in an inwards-concave arc shape.
Furthermore, screw holes are formed in three corners of the adjusting plate, and a hexagonal limiting plate with a front surface tightly attached to the rear surface of the adjusting plate and a size larger than the screw holes is integrally fixed at the rear end part of each II supporting rod; the lateral wall front portion of every II bracing piece all is the smooth surface, lateral wall rear portion all is provided with the external screw thread with the internal thread screw-thread fit of screw, and the inner circle of II bearing is fixed cup joint in the lateral wall front portion of II bracing piece.
Further, the transverse connecting beam and the II-th connecting plate, the I-th connecting plate and the I-th supporting rod which are positioned at the bottom of the operation ladder car are fixed through welding.
The utility model has the advantages of reasonable design reliably, the convenient conversion of operation ladder car wheel has been realized, and saved and fallen the operation ladder car and lift from the track, dismantle original wheel, the step of installation new wheel, the conversion efficiency of operation ladder car wheel has effectively been improved, the loss of worker's machines in the operation has been avoided frequently changing, the problem that the installation fastness that has avoided frequent change to arouse can't be guaranteed has been avoided simultaneously, it is firm to support simultaneously, easy to maintain, can realize the independent change of each structure, the maintenance cost is low, furthermore, stability when the operation ladder car uses has effectively been improved, the intensity of labour in the use of operation ladder car has been reduced, it is simple and easy to have the structure, therefore, the clothes hanger is strong in practicability, the advantage that the security performance is excellent, can adapt to different construction requirements, and has extensive application prospect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic rear view of FIG. 1;
FIG. 3 is a schematic top view of FIG. 1;
FIG. 4 is a state reference diagram of the present invention when walking on a section without a track circuit;
fig. 5 is a state reference diagram of the present invention when traveling on a track circuit section.
In the figure, 1-nylon ladder car wheel, 2-metal ladder car wheel, 3-I connecting plate, 4-I supporting rod, 5-I bearing, 6-adjusting plate, 7-II supporting rod, 8-II bearing, 9-connecting bolt, 10-hexagonal limiting plate and 11-rail.
Detailed Description
A dual-purpose wheel device for a contact net operation ladder car, as shown in figure 1, figure 2 and figure 3, comprises nylon ladder car wheels 1 and metal ladder car wheels 2, and further comprises a transverse upright first connecting plate 3 fixedly connected to the bottom of the operation ladder car, the middle part of the front surface of the first connecting plate 3 is longitudinally provided with a cylindrical first supporting rod 4 of which the rear end is fixed with the first supporting rod, the outer side of the front part of the first supporting rod 4 is sleeved with a first bearing 5 of which the inner ring is fixedly sleeved with the first bearing, the outer side of the outer ring of the first bearing 5 is fixedly sleeved with a triangular transverse upright adjusting plate 6, three corners of the adjusting plate 6 are longitudinally provided with cylindrical second supporting rods 7 of which the rear parts are fixedly connected with the second supporting rods, and the outer side of the front part of each second supporting rod 7 is sleeved with a second bearing 8 of which the inner ring is fixedly sleeved with the second bearing; the quantity of nylon ladder car wheel 1 is two, the quantity of metal ladder car wheel 2 is one, and metal ladder car wheel 2 cup joints in the outside of the outer lane of three II bearing 8 respectively with two nylon ladder car wheels 1.
During operation, firstly, the four wheel devices are respectively installed at the four bottom corners of the operation ladder car through the I-shaped connecting plate 3, and then the operation ladder car runs above the tunnel track 11 through the nylon ladder car wheels 1 or the metal ladder car wheels 2. The utility model discloses the single wheel structure to operation ladder car improves, and the structural design of two ladder car wheels has increased this wheel device and track 11's area of contact, has effectively improved the stability in the use of operation ladder car. When traveling on a section of track circuit, adjusting plate 6 is rotated so that two nylon ladder vehicle wheels 1 are located above and metal ladder vehicle wheels 2 are located above, as shown in fig. 5, thereby achieving insulated contact of the working ladder vehicle with track 11 and preventing short circuit of the track circuit. When the vehicle leaves a track circuit section and enters a non-track circuit section, the operation ladder vehicle is lifted upwards appropriately to keep a certain operation gap between the vehicle wheel device and the track 11, then the metal ladder vehicle wheels 2 or one of the nylon ladder vehicle wheels 1 are held by hands, the adjusting plate 6 is rotated under the action of the I-bearing 5, so that the metal ladder vehicle wheels 2 and one of the nylon ladder vehicle wheels 1 are positioned below, and the other nylon ladder vehicle wheel 1 is positioned above, as shown in figure 4, the switching of the wheels of the operation ladder vehicle is completed, the convenient switching of the wheels of the operation ladder vehicle is realized, and the abrasion of the nylon ladder vehicle wheels 1 in the vehicle wheel device during operation is slowed down to a certain extent. In this process, the I bracing piece 4 can provide the rotation supporting role for regulating plate 6, the II bracing piece 7 can provide the rotation supporting role for nylon tower wagon wheel 1 and metal tower wagon wheel 2, intensity of labour when the I bearing 5 can reduce the wheel conversion, the II bearing 8 can reduce the resistance when nylon tower wagon wheel 1 or metal tower wagon wheel 2 rotate, guarantee smooth and easy the pushing away of operation tower wagon, saved and fallen the operation tower wagon and lifted off the track, dismantle original wheel, the step of installing new wheel, the wheel change operation of having overcome current contact net operation tower wagon delays man-hour, easily lose the industrial and mechanical equipments, the unable problem of guaranteeing of installation fastness.
The front side of the transverse connecting beam at the bottom of the operation ladder truck is fixedly provided with a transverse upright II connecting plate, as shown in the attached drawing 2, and the I connecting plate 3 and the II connecting plate are fixedly connected through four connecting bolts 9 distributed in a rectangular shape.
The combined structure design of the I connecting plate 3, the II connecting plate and the connecting bolt 9 facilitates the detachable connection of the wheel device and the operation ladder vehicle, and further increases the operation convenience during the later maintenance of the wheel device.
As shown in fig. 1, 4 and 5, three edge portions of the adjusting plate 6 are each shaped as an inwardly concave arc.
The structural design can reduce the dead weight of the adjusting plate 6, further reduce the dead weight of the wheel device and reduce the labor intensity of the operation ladder vehicle when in use; secondly, can prevent that the regulating plate from causing the injury to the operation personnel when the wheel changes.
As shown in fig. 2 and 3, three corners of the adjusting plate 6 are provided with screw holes, and a hexagonal limiting plate 10, the front surface of which is closely attached to the rear surface of the adjusting plate 6 and the size of which is larger than the screw holes, is integrally fixed at the rear end of each second supporting rod 7; the lateral wall front portion of every II bracing piece 7 all is the smooth surface, lateral wall rear portion all is provided with the external screw thread with the internal thread screw-thread fit of screw, and the inner circle of II bearing 8 is fixed cover and is connected in the lateral wall front portion of II bracing piece 7.
This structural design has realized being connected with dismantling of regulating plate 6 of II bracing piece 7 for II bracing piece 7, regulating plate 6, nylon ladder car wheel 1 and the independent change of metal ladder car wheel 2 homoenergetic during later maintenance, when increasing later maintenance simple operation nature, has reduced the maintenance cost of this wheel device.
The transverse connecting beam positioned at the bottom of the operation ladder car is fixedly welded with the II-th connecting plate, the I-th connecting plate 3 and the I-th supporting rod 4.
In the specific implementation process, the nylon ladder vehicle wheel 1 is a high-strength rare earth nylon ladder vehicle wheel produced by Tieqi electric technology limited company in Bazhou city; the metal ladder vehicle wheel 2 is an iron ladder vehicle wheel produced by Tieqi electric technology limited company in Bazhou; the middle part of the adjusting plate 6 is provided with a mounting hole, and the outer ring of the bearing I5 is fixedly connected with the inner cavity of the mounting hole in a penetrating manner.
Claims (5)
1. The utility model provides a contact net operation is dual-purpose wheel device for tower wagon, includes nylon tower wagon wheel (1) and metal tower wagon wheel (2), its characterized in that: the lifting device is characterized by further comprising a transverse upright first connecting plate (3) fixedly connected to the bottom of the operation ladder truck, the middle part of the front surface of the first connecting plate (3) is longitudinally provided with a cylindrical first supporting rod (4) with the rear end fixed with the first connecting plate, the outer side of the front part of the first supporting rod (4) is sleeved with an inner ring and a first bearing (5) fixedly sleeved with the inner ring, the outer side of the outer ring of the first bearing (5) is fixedly sleeved with a triangular transverse upright adjusting plate (6), three corners of the adjusting plate (6) are longitudinally provided with cylindrical second supporting rods (7) with the rear parts fixedly connected with the second supporting rods, and the outer side of the front part of each second supporting rod (7) is sleeved with a second bearing (8) fixedly sleeved with the inner ring; the quantity of nylon ladder car wheel (1) is two, the quantity of metal ladder car wheel (2) is one, and metal ladder car wheel (2) and two nylon ladder car wheels (1) are fixed cup joint respectively in the outside of the outer lane of three II bearing (8).
2. The dual-purpose wheel device for the overhead line system operation ladder car according to claim 1, characterized in that: the front side of the transverse connecting beam positioned at the bottom of the operation ladder truck is fixedly provided with a transverse upright II connecting plate, and the I connecting plate (3) is fixedly connected with the II connecting plate through four connecting bolts (9) distributed in a rectangular shape.
3. The dual-purpose wheel device for the overhead line system operation ladder car according to claim 1, characterized in that: three edge parts of the adjusting plate (6) are all in an inwards sunken arc shape.
4. The dual-purpose wheel device for the overhead line system operation ladder car according to claim 1, characterized in that: screw holes are formed in three corners of the adjusting plate (6), and a hexagonal limiting plate (10) which is tightly attached to the rear surface of the adjusting plate (6) through the front surface and larger than the screw holes is integrally fixed at the rear end part of each II supporting rod (7); the lateral wall front portion of every II bracing piece (7) all is the smooth surface, lateral wall rear portion all is provided with the internal thread screw-thread fit's of screw external screw thread, and the inner circle of II bearing (8) is fixed cup joints in the lateral wall front portion of II bracing piece (7).
5. The dual-purpose wheel device for the overhead line system operation ladder car according to claim 2, characterized in that: the transverse connecting beam positioned at the bottom of the operation ladder car is fixedly welded with the II-th connecting plate, the I-th connecting plate (3) and the I-th supporting rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121299234.2U CN214647309U (en) | 2021-06-10 | 2021-06-10 | Dual-purpose wheel device for overhead contact line operation ladder truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121299234.2U CN214647309U (en) | 2021-06-10 | 2021-06-10 | Dual-purpose wheel device for overhead contact line operation ladder truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214647309U true CN214647309U (en) | 2021-11-09 |
Family
ID=78487012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121299234.2U Active CN214647309U (en) | 2021-06-10 | 2021-06-10 | Dual-purpose wheel device for overhead contact line operation ladder truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214647309U (en) |
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2021
- 2021-06-10 CN CN202121299234.2U patent/CN214647309U/en active Active
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