CN220577260U - Contact net ladder car anti-overturning device - Google Patents
Contact net ladder car anti-overturning device Download PDFInfo
- Publication number
- CN220577260U CN220577260U CN202321633131.4U CN202321633131U CN220577260U CN 220577260 U CN220577260 U CN 220577260U CN 202321633131 U CN202321633131 U CN 202321633131U CN 220577260 U CN220577260 U CN 220577260U
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- China
- Prior art keywords
- connecting rod
- rail
- ladder car
- loop bar
- tightening
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000002265 prevention Effects 0.000 claims 3
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Ladders (AREA)
Abstract
The utility model belongs to the technical field of railway engineering, and particularly relates to an anti-overturning device for a contact net ladder car. In order to improve safety performance in terms of protection of a ladder truck, relieving safety protection pressure, comprising: the rail tightening device is fixedly connected with the steel rail; the connecting rod, connecting rod one end is connected with tight rail ware hinge joint, and the other end is the free end, and the cover has the movable loop bar that can adjust the position on the connecting rod, and the movable loop bar outside is fixed with the connection checkpost, and the connection checkpost is connected with the ladder car bottom plate connecting rod. The connection between the tight rail frame and the steel rail is very stable and reliable, and the connection between the connecting clip and the connecting rod of the bottom plate of the ladder car is reliable, so that the safety performance is high.
Description
Technical Field
The utility model belongs to the technical field of railway engineering, and particularly relates to an anti-overturning device for a contact net ladder car.
Background
In the construction of the overhead contact system, the ladder car is used as an important tool in the construction, and almost all upper construction of the overhead contact system is completed by the aid of the ladder car. In the running process of the ladder truck on the steel rail, particularly in the section with smaller curve radius, the whole ladder truck inclines to the side of the lower rail due to the fact that the outer rail of the steel rail is ultrahigh and larger. When a common lower person steps on by gravity or adopts protective measures such as wooden wedges, the safety guarantee performance is not high, and the protective pressure is high.
Disclosure of Invention
The utility model provides an anti-overturning device for a contact net ladder car, which aims to improve the safety performance of the ladder car in the aspect of protection and lighten the safety protection pressure.
The utility model adopts the following technical scheme: an overhead contact system ladder car anti-overturning device, comprising:
the rail tightening device is fixedly connected with the steel rail;
the connecting rod, connecting rod one end is connected with tight rail ware hinge joint, and the other end is the free end, and the cover has the movable loop bar that can adjust the position on the connecting rod, and the movable loop bar outside is fixed with the connection checkpost, and the connection checkpost is connected with the ladder car bottom plate connecting rod.
In some embodiments, the rail tightener comprises: the tight rail frame, tight rail frame is rectangular frame, and tight rail frame lower part sets up the opening, and tight rail frame one side sets up the convex surface with rail bottom contact, and tight rail frame opposite side sets up the screw hole, and threaded hole wears to be equipped with the handle, and the handle tip can be connected with the rail contact, sets up the connecting rod connecting hole that is used for being connected with the connecting rod on the tight rail frame.
In some embodiments, the handle is a threaded round bar with flat plates at both ends.
In some embodiments, the connecting rod comprises a threaded portion and a non-threaded portion, the front end of the non-threaded portion is provided with two connecting pieces, round holes are respectively formed in the connecting pieces, the diameter size of the round holes is fit with the diameter size of the connecting rod connecting holes in the fastening frame, the connecting pieces are connected with the connecting rod connecting holes through fasteners such as penetrating pins and nuts, and distance data between the connecting pieces is slightly larger than the width of the fastening frame.
In some embodiments, the movable loop bar is internally threaded and the movable loop bar is threadably coupled to the connecting rod.
In some embodiments, the connector clip includes: go up card, end card, screw rod and nut fastener, go up the middle part of card and be half arc, be equipped with the corresponding round hole of position on the straight face of end card and last card respectively, supply the screw rod to wear to link, after end card closely pastes with last card, middle remaining space is similar with the bottom plate connecting rod diameter space size of ladder car, is fixed through screw rod and the nut fastener that wears to locate in the round hole between end card and the last card.
In some embodiments, the movable loop bar is welded to the semi-arcuate middle portion of the upper clip of the connector clip.
Compared with the prior art, the utility model has the following beneficial effects:
1) The front end without the threaded part is provided with two connecting sheets, the connecting sheets are respectively provided with round holes, the diameter sizes of the round holes are attached to the diameter sizes of connecting rod connecting holes on the fastening frame, and the connecting sheets without the threaded part are connected with the connecting rod connecting holes through fasteners such as penetrating pins, nuts and the like. The connecting rod can freely rotate by taking the connecting rod connecting hole on the fastening frame as the center, and flexible activity of the connecting rod is realized.
2) The movable loop bar is welded and connected with the semi-arc middle part of the upper clamp of the connecting clamp, and can drive the connecting clamp to rotate on the connecting rod to change the position.
3) The tight rail frame is very stable and reliable in connection with the steel rail, and the connecting clip is reliably connected with the connecting rod of the bottom plate of the ladder car, so that the safety performance is high.
Drawings
FIG. 1 is a schematic view of a track tightening device;
FIG. 2 is a simplified schematic diagram of a rail tensioner connected to a rail;
FIG. 3 is a schematic structural view of a connecting rod;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic view of a connector clip structure;
FIG. 6 is a schematic view of the structure of the connector clip and the movable loop bar;
FIG. 7 is a schematic view of the combination of the "anti-overturning device for contact network ladder truck" and the rail of the present utility model;
FIG. 8 is a schematic structural view of an anti-overturning device for a contact net ladder truck according to the present utility model;
in the figure, a 1-tight rail frame; 2-a handle; 3-connecting rod connecting holes; 4-connecting rods; 3-tightening the nut; 4-a support frame; 4.1-threaded portion; 4.2-unthreaded portions; 4.3-connecting pieces; 4.4-round holes; 5-a movable loop bar; 6-connecting a clip; 6.1-loading a card; 6.2-bottom card; 6.3-fasteners; 7-a ladder truck floor link; 8-rail.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The overhead contact system ladder car overturn preventing device comprises a rail tightening device, wherein the rail tightening device is fixedly connected with a steel rail 8;
the connecting rod, connecting rod 4 one end is articulated with tight rail ware, and the other end is the free end, and the cover has movable loop bar 5 that can adjust the position on the connecting rod 4, and movable loop bar 5 outside is fixed with connecting clip 6, and connecting clip 6 is connected with ladder car bottom plate connecting rod 7.
The rail tightening device comprises:
the tight rail frame 1, tight rail frame 1 is rectangular frame, and tight rail frame 1 lower part sets up the opening, and tight rail frame 1 one side sets up the convex surface with rail 8 bottom contact, and tight rail frame 1 opposite side sets up the screw hole, and threaded hole wears to be equipped with handle 2, and handle 2 tip can be connected with rail 8 contact, sets up on the tight rail frame 1 to be used for the connecting rod connecting hole 3 that is connected with connecting rod 4.
The right half part of the inner frame of the tight rail frame 1 is attached to the cross section of the steel rail, two connecting holes are formed in the tight rail frame 1, the connection Kong Najuan is threaded, one is used for a handle, and the other is a connecting rod connecting hole 3 used for a connecting rod.
The handle 2 is a round rod with threads, and two ends of the round rod are provided with flat plates.
The connecting rod 4 comprises a threaded portion 4.1 and a non-threaded portion 4.2, two connecting pieces 4.3 are arranged at the front end of the non-threaded portion 4.2, round holes 4.4 are respectively formed in the connecting pieces 4.3, the diameter size of each round hole 4.4 is attached to the diameter size of the connecting rod connecting hole 3 in the fastening frame 1, the connecting pieces 4.3 are connected with the connecting rod connecting hole 3 through fasteners such as penetrating pins and nuts, and distance data among the connecting pieces 4.3 are slightly larger than the width of the fastening frame 1.
The connecting piece 4.3 is connected with the connecting rod connecting hole 3 through a fastening piece such as a penetrating pin and a nut.
The distance data between the webs 4.3 is slightly greater than the width of the fastening frame 1.
The connector clip 6 includes: upper clamp 6.1, bottom clamp 6.2, screw and nut fastener 6.3.
The middle part of the upper clamp 6.1 is semi-arc, round holes corresponding to the screw rod are respectively arranged on the straight surfaces of the bottom clamp 6.2 and the upper clamp 6.1, the screw rod is penetrated and connected, after the bottom clamp 6.2 is closely attached to the upper clamp 6.1, the middle residual space is similar to the diameter space of the bottom plate connecting rod of the ladder car, and the bottom clamp 6.2 and the upper clamp 6.1 are fixed through screw rods and nut fasteners 6.3 penetrating through the round holes.
The middle part of the upper clamp 6.1 is semi-arc, and round holes for the screw rod to pass through are respectively arranged on the straight surfaces of the bottom clamp 6.2 and the upper clamp 6.1 in positions corresponding to each other. After the bottom card 6.2 is closely attached to the upper card 6.1, the residual space in the middle is similar to the diameter space of the bottom plate connecting rod of the ladder car.
The movable sleeve rod 5 is welded with the semi-arc middle part of the upper clamp 6.1 of the connecting clamp.
The inner surface of the movable sleeve rod 5 is provided with threads and is closely contacted with the threads of the connecting rod 4.
Further, the movable loop bar 5 can drive the connecting clip 6 to rotate on the connecting rod 4 to change the position.
When the ladder truck is constructed in a curve section, the tight rail frame 1 is clamped on a high-rail side steel rail, the handle 2 is rotated, so that the handle 2 is flatly abutted against the vertical surface of the steel rail, then the connecting rod 4 is rotated according to the position of the ladder truck bottom plate connecting rod, the movable loop bar 5 is rotated, and the connecting clip 6 can firmly clamp the ladder truck bottom plate connecting rod. In the subsequent advancing process of the ladder truck, the connecting rod 4 and the movable loop bar 5 can be kept clamped on the connecting rod of the bottom plate of the ladder truck, the handle 2 is loosened, the tight rail frame 1 is taken down, the tight rail frame 1 is clamped on a steel rail to a lower construction point, and the handle 2 is rotated to be tightly attached to the steel rail.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model 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 scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. An anti-overturning device for a contact net ladder truck, which is characterized by comprising:
the rail tightening device is fixedly connected with the steel rail (8);
the connecting rod, connecting rod (4) one end is articulated with tight rail ware, and the other end is the free end, and the cover has movable loop bar (5) that can adjust the position on connecting rod (4), and movable loop bar (5) outside is fixed with connecting clip (6), and connecting clip (6) are connected with ladder car bottom plate connecting rod (7).
2. The overhead contact system ladder truck anti-overturning device according to claim 1, wherein the rail tightener comprises:
the steel rail tightening device comprises a tightening rail frame (1), wherein the tightening rail frame (1) is a rectangular frame, an opening is formed in the lower portion of the tightening rail frame (1), a convex surface in contact with the bottom of a steel rail (8) is formed in one side of the tightening rail frame (1), a threaded hole is formed in the other side of the tightening rail frame (1), a handle (2) is arranged in the threaded hole in a penetrating mode, the end portion of the handle (2) can be in contact connection with the steel rail (8), and a connecting rod connecting hole (3) used for being connected with a connecting rod (4) is formed in the tightening rail frame (1).
3. The overhead contact system ladder car overturning preventing device according to claim 2, wherein the handle (2) is a threaded round rod, and flat plates are arranged at two ends of the round rod.
4. The overhead contact system ladder car overturning prevention device according to claim 2, wherein the connecting rod (4) comprises a threaded portion (4.1) and a non-threaded portion (4.2), two connecting pieces (4.3) are arranged at the front end of the non-threaded portion (4.2), round holes (4.4) are respectively formed in the connecting pieces (4.3), the diameter size of the round holes (4.4) is attached to the diameter size of the connecting rod connecting hole (3) in the tight rail frame (1), the connecting pieces (4.3) are connected with the connecting rod connecting hole (3) through a penetrating pin and a nut, and distance data between the connecting pieces (4.3) is slightly larger than the width of the tight rail frame (1).
5. The overhead contact system ladder car overturning preventing device according to claim 4, wherein threads are arranged in the movable loop bar (5), and the movable loop bar (5) is connected to the connecting rod (4) in a threaded manner.
6. The overhead contact system ladder car overturning prevention device according to claim 1, wherein the connection clip (6) comprises: an upper clamp (6.1), a bottom clamp (6.2), a screw and nut fastener (6.3);
the middle part of the upper clamp (6.1) is semi-arc-shaped, round holes corresponding to the positions are respectively arranged on the straight surfaces of the bottom clamp (6.2) and the upper clamp (6.1) and used for the screw rod to penetrate through, after the bottom clamp (6.2) is closely attached to the upper clamp (6.1), the middle residual space is similar to the diameter space of the bottom plate connecting rod of the ladder car, and the bottom clamp (6.2) is fixed with the upper clamp (6.1) through the screw rod and the nut fastener (6.3) penetrating through the round holes.
7. The overhead contact system ladder car overturning prevention device according to claim 6, wherein the movable loop bar (5) is welded with the semi-arc middle part of the upper clamp (6.1) of the connecting clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321633131.4U CN220577260U (en) | 2023-06-26 | 2023-06-26 | Contact net ladder car anti-overturning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321633131.4U CN220577260U (en) | 2023-06-26 | 2023-06-26 | Contact net ladder car anti-overturning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220577260U true CN220577260U (en) | 2024-03-12 |
Family
ID=90121987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321633131.4U Active CN220577260U (en) | 2023-06-26 | 2023-06-26 | Contact net ladder car anti-overturning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220577260U (en) |
-
2023
- 2023-06-26 CN CN202321633131.4U patent/CN220577260U/en active Active
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