CN210416554U - Anti-tilting hook device for electrified railway contact network maintenance ladder car - Google Patents
Anti-tilting hook device for electrified railway contact network maintenance ladder car Download PDFInfo
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- CN210416554U CN210416554U CN201921211490.4U CN201921211490U CN210416554U CN 210416554 U CN210416554 U CN 210416554U CN 201921211490 U CN201921211490 U CN 201921211490U CN 210416554 U CN210416554 U CN 210416554U
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Abstract
The utility model relates to an anti-tilting hook device of electrified railway contact net overhaul tower wagon belongs to electric railway contact net technical field. The technical scheme is as follows: the anti-tilting hook rail device comprises an anti-tilting hook rail device (a), an anti-tilting hook stabilizing frame (b) and a spring pin (d), wherein the anti-tilting hook rail device (a) is connected with the anti-tilting hook stabilizing frame (b) through the spring pin (d), and the anti-tilting hook rail device (a) is hooked on a steel rail (c). The utility model discloses an actively the effect: the steel rail of the existing train track is utilized, so that the ladder car is prevented from toppling without adding a heavy object, and the safety of maintainers is ensured. Simple structure, light in weight collects location, spring locating pin sled moves, helping hand in an organic whole, only need alone according to standard operation can, labour saving and time saving.
Description
Technical Field
The utility model relates to an anti-tilting hook device of electrified railway contact net maintenance tower wagon belongs to electric railway contact net and overhauls technical field.
Background
Contact net among the electronic railway, be the important facility for electric locomotive power supply, its state directly influences electric locomotive's safe operation, the contact net is overhauld for high altitude construction apart from 6 meters on ground, the tower wagon is that 5.5 meters can directly walk on the track contact net overhauls appurtenance, because its advantage such as light in weight, convenient is the indispensable appurtenance of contact net, but owing to resist unexpected strong wind and the great construction effort of staff relatively poor, the tower wagon is the tilt state at the curve in addition, meet improper external force, cause the potential safety hazard that the tower wagon emptys more easily, overhaul safety for ensureing the contact net, site constructor guarantees constructor's safety with big rope and manpower.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anti-hook device is prevented to electrified railway contact net maintenance tower wagon can ensure that the contact net overhauls the tower wagon safety inspection instrument under various road conditions, and simple structure weight is light, and it is convenient to install, solves the above-mentioned problem that the background art exists.
The technical scheme of the utility model is that:
an anti-tilting hook device of an electrified railway contact network overhaul ladder car comprises an anti-tilting hook rail fastening device, an anti-tilting hook stabilizing frame and a spring pin, wherein the anti-tilting hook rail fastening device and the anti-tilting hook stabilizing frame are connected through the spring pin;
the anti-tilting hook fixing frame comprises a double-lug connecting plate, a tripod, a first hoop and a second hoop, the tripod consists of a first fixing rod, a second fixing rod and a third fixing rod, the double-lug connecting plate is arranged between the first fixing rod and the second fixing rod, the double-lug connecting plate consists of a first lug plate and a second lug plate, the first lug plate is fixedly arranged at one end of the first fixing rod, the second lug plate is fixedly arranged at one end of the second fixing rod, and a gap is formed between the first lug plate and the second lug plate; a first hoop is arranged at the joint of the other end of the first stabilizing rod and one end of the third stabilizing rod, and a second hoop is arranged at the joint of the other end of the second stabilizing rod and the other end of the third stabilizing rod;
the anti-tilting hook rail fastening device comprises a single-lug connecting plate, an upper pressing wheel rim, an upper pressing wheel shaft, a double-shaft connecting rod, a lower pressing wheel and a lower pressing wheel shaft; the double-shaft connecting rod is arc-shaped, an upper pinch roller shaft and a lower pinch roller shaft are respectively arranged at two ends of the double-shaft connecting rod, an upper pinch roller is arranged on the upper pinch roller shaft, an upper pinch roller rim is arranged at one end of the upper pinch roller far away from the double-shaft connecting rod, and a lower pinch roller is arranged on the lower pinch roller shaft; the lower end of the single-lug connecting plate is fixed at the upper end of the double-shaft connecting rod, and the upper end of the single-lug connecting plate is inserted into a gap between the first lug plate and the second lug plate in a matching manner;
the spring pin contains the grab handle, the pin rod, the spring housing, spring and spring housing base, the spring housing base is fixed on the lateral wall of otic placode two, the equal opening in both ends of spring housing, one end opening width is less than other end opening width, the great open-ended one end of spring housing sets up on the spring housing base, the pin rod sets up in the spring housing, the less open-ended one end of spring housing is worn out to pin rod one end, it is equipped with the grab handle to wear out the end, the pin rod other end is worn out from the great open-ended one end of spring housing, wear out the end and pass the spring housing base in proper order, otic placode two, monaural connecting plate and otic placode one, be equipped with the spacing platform of spring on the pin rod, the spacing platform of spring is located the great open-ended one end of spring housing, the spring sets up on the pin rod.
The third stabilizing rod is in a semicircular tube shape, one side of the third stabilizing rod is provided with a hoop cover I, and the hoop cover I is hinged to one side of the third stabilizing rod through a hoop hinge shaft I to form a hoop I; and the other side of the third stabilizing rod is provided with a second hoop cover, and the second hoop cover is hinged to the other side of the third stabilizing rod through a second hoop hinge shaft to form a second hoop.
The upper end of one side of the three stabilizing rods is hinged with the upper end of the first hoop cover through the first hoop hinge shaft, the lower end of one side of the three stabilizing rods and the lower end of the first hoop cover are respectively provided with a first connecting plate and a second connecting plate which correspond to each other, the first connecting plate is provided with a first round hole, and the second connecting plate is provided with a first inverted U-shaped groove corresponding to the first round hole; the upper end of the other side of the three stabilizing rods is hinged with the upper end of the two anchor ear covers through the two anchor ear hinge shafts, the lower ends of the other sides of the three stabilizing rods and the lower ends of the two anchor ear covers are respectively provided with a third connecting plate and a fourth connecting plate which correspond to each other, the third connecting plate is provided with a second round hole, and the fourth connecting plate is provided with a second inverted U-shaped groove corresponding to the second round hole.
Reinforcing ribs are arranged in the triangular support, one end of each reinforcing rib is fixed on the first stabilizing rod, and the other end of each reinforcing rib is fixed on the second stabilizing rod.
The spring sleeve base is annular, an internal thread is arranged on the inner wall of the spring sleeve base, an external thread is arranged on the outer wall of one end of the spring sleeve with a large opening, and the spring sleeve is in threaded connection with the spring sleeve base.
The grab handle and the pin rod are of detachable structures.
One end of the grab handle is provided with a hole, an internal thread is arranged at the hole, an external thread is arranged at one end of the pin rod, and the grab handle is in threaded connection with the pin rod.
The single-lug connecting plate consists of a connecting plate and a mounting lug plate which are arranged vertically, the connecting plate is vertically fixed at the upper end of the double-shaft connecting rod, and the mounting lug plate is provided with a strip hole; the first lug plate and the second lug plate are rectangular plates, and a third round hole and a fourth round hole corresponding to the strip holes are formed in the first lug plate and the second lug plate respectively.
The upper pinch roller is cylindrical, the lower pinch roller is in a circular truncated cone shape, and the side surface of the circular truncated cone shape is an arc surface.
When in use, the utility model is hooked on the steel rail of the existing train track to prevent the ladder car from falling. The existing steel rail consists of a rail top, a rail nest, a rail web and a rail bottom, wherein the rail web is vertically arranged on the rail bottom, and the rail nest is arranged between the rail web and the rail top.
The upper pinch roller is arranged on the top of the steel rail in a sliding mode, the curvature radian of the double-shaft connecting rod is matched with the shape of a rail pit of the steel rail, the lower pinch roller is arranged at the rail pit in a sliding mode, and the anti-tilting hooking and buckling rail device is hooked on the steel rail. In the work, the monaural connecting plate is to the application of force of ladder car direction, and the top pinch roller has the trend that breaks away from the outside removal of rail, increases the top pinch roller rim for restricting its displacement during the design, can prevent to detain the rail ware and break away from the rail, guarantees ladder car safety.
The third stabilizing rod is not only a connecting rod of the tripod, but also two sides of the third stabilizing rod are part of the first hoop and the second hoop, and the steel pipe is divided into two parts to be processed. The first hoop cover is hinged to one side of the third stabilizing rod through the first hoop hinge shaft to form a first hoop; the anchor ear cover II is hinged to the other side of the stabilizing rod III through an anchor ear hinge shaft II to form an anchor ear II; the first hoop and the second hoop are connected to a chassis of the ladder truck.
The utility model discloses an actively the effect: the steel rail of the existing train track is utilized, the ladder car can be prevented from toppling without adding a heavy object, and can move along with the ladder car, so that the safety of maintainers is ensured. Simple structure, light in weight, collection location, auto-lock are as an organic whole, only need alone according to standard operation can, convenient laborsaving.
Drawings
FIG. 1 is a schematic view of the structure of the utility model in use;
FIG. 2 is a schematic view of the structure of the steel rail of the present invention;
FIG. 3 is a schematic view of the anti-tilting hook rail device of the present invention;
FIG. 4 is a schematic view of the structure of the unhooking prevention fixing frame of the present invention;
FIG. 5 is a schematic view of the spring pin structure of the present invention;
FIG. 6 is a schematic view of the spring housing base structure of the present invention;
FIG. 7 is a schematic view of the pin rod structure of the present invention;
in the figure: an anti-tilting hook rail fastening device a, an anti-tilting hook stabilizing frame b, a steel rail c, a spring pin d, a rail top 1, a rail nest 2, a rail web 3, a rail bottom 4, a monaural connecting plate 5, an upper pinch roller rim 6, an upper pinch roller shaft 7, a double-shaft connecting rod 8, a lower pinch roller 9, a lower pinch roller shaft 10, a binaural connecting plate 11, a first ear plate 11-1, a second ear plate 11-2, a tripod 12, a first stabilizing rod 12-1, a second stabilizing rod 12-2, a third stabilizing rod 12-3, a first hoop hinge shaft 13, a first hoop 14, a first hoop cover 14-1, a second hoop cover 15-1, a second hoop hinge shaft 16, a grab handle 17, a pin rod 18, an external thread 18-1, a spring limiting table 18-2, a spring sleeve 19, a spring 20, a spring sleeve base 21, an upper pinch roller 22, a first round hole 23, a first inverted U-shaped groove 24, a second hoop hinge shaft 25, a second inverted U-shaped groove, And a reinforcing rib 27.
Detailed Description
The invention is further described with reference to the following figures and examples:
an anti-tilting hook device of an electrified railway contact network overhaul ladder car comprises an anti-tilting hook rail fastening device a, an anti-tilting hook stabilizing frame b and a spring pin d, wherein the anti-tilting hook rail fastening device a and the anti-tilting hook stabilizing frame b are connected through the spring pin d;
the anti-tilting hook stabilizing frame b comprises a double-lug connecting plate 11, a tripod 12, a first hoop 14 and a second hoop 15, the tripod 12 consists of a first stabilizing rod 12-1, a second stabilizing rod 12-2 and a third stabilizing rod 12-3, the double-lug connecting plate 11 is arranged between the first stabilizing rod 12-1 and the second stabilizing rod 12-2, the double-lug connecting plate 11 consists of a first lug plate 11-1 and a second lug plate 11-2, the first lug plate 11-1 is fixedly arranged at one end of the first stabilizing rod 12-1, the second lug plate 11-2 is fixedly arranged at one end of the second stabilizing rod 12-2, and a gap is formed between the first lug plate 11-1 and the second lug plate 11-2; a first hoop 14 is arranged at the joint of the other end of the first stabilizing rod 12-1 and one end of the third stabilizing rod 12-3, and a second hoop 15 is arranged at the joint of the other end of the second stabilizing rod 12-2 and the other end of the third stabilizing rod 12-3;
the anti-tilting hook buckling rail device a comprises a single lug connecting plate 5, an upper pinch roller rim 6, an upper pinch roller 22, an upper pinch roller shaft 7, a double-shaft connecting rod 8, a lower pinch roller 9 and a lower pinch roller shaft 10; the double-shaft connecting rod 8 is arc-shaped, an upper pinch roller shaft 7 and a lower pinch roller shaft 10 are respectively arranged at two ends of the double-shaft connecting rod 8, an upper pinch roller 22 is arranged on the upper pinch roller shaft 7, an upper pinch roller flange 6 is arranged at one end of the upper pinch roller 22 far away from the double-shaft connecting rod 8, and a lower pinch roller 9 is arranged on the lower pinch roller shaft 10; the lower end of the single-lug connecting plate 5 is fixed at the upper end of the double-shaft connecting rod 8, and the upper end of the single-lug connecting plate 5 is inserted into a gap between the first lug plate 11-1 and the second lug plate 11-2 in a matching manner;
the spring pin d comprises a grab handle 17, a pin rod 18, a spring sleeve 19, a spring 20 and a spring sleeve base 21, the spring sleeve base 21 is fixed on the outer side wall of the ear plate II 11-2, both ends of the spring sleeve 19 are open, the opening width of one end is smaller than that of the other end, the end with a larger opening of the spring sleeve 19 is arranged on the spring sleeve base 21, the pin rod 18 is arranged in the spring sleeve 19, one end of the pin rod 18 penetrates out from the end with a smaller opening of the spring sleeve 19, the penetrating end is provided with the grab handle 17, the other end of the pin rod 18 penetrates out from the end with a larger opening of the spring sleeve 19, the penetrating end sequentially penetrates through the spring sleeve base 21, the ear plate II 11-2, the single-ear connecting plate 5 and the ear plate I11-1, the pin rod 18 is provided with a spring limit table 18-2, the spring limit table 18-2 is positioned at one end with a larger opening of the, one end of the spring sleeve is abutted against the inner wall of the smaller opening end of the spring sleeve 19, and the other end of the spring sleeve is fixed on the spring limiting table 18-2.
The third stabilizing rod 12-3 is in a semicircular pipe shape, one side of the third stabilizing rod 12-3 is provided with a hoop cover I14-1, and the hoop cover I14-1 is hinged to one side of the third stabilizing rod 12-3 through a hoop hinge shaft I13 to form a hoop I14; the other side of the third stabilizing rod 12-3 is provided with a second anchor ear cover 15-1, and the second anchor ear cover is hinged on the other side of the third stabilizing rod 12-3 through a second anchor ear hinge shaft 16 to form a second anchor ear 15.
The upper end of one side of the third stabilizing rod 12-3 is hinged with the upper end of the first hoop cover through a first hoop hinge shaft 13, the lower end of one side of the third stabilizing rod 12-3 and the lower end of the first hoop cover are respectively provided with a first connecting plate and a second connecting plate which correspond to each other, the first connecting plate is provided with a first round hole 23, and the second connecting plate is provided with a first inverted U-shaped groove 24 corresponding to the first round hole 23; the upper end of the other side of the third stabilizing rod 12-3 is hinged with the upper end of the second anchor ear cover through a second anchor ear hinge shaft 16, the lower end of the other side of the third stabilizing rod 12-3 and the lower end of the second anchor ear cover are respectively provided with a third connecting plate and a fourth connecting plate which correspond to each other, the third connecting plate is provided with a second round hole 25, and the fourth connecting plate is provided with a second inverted U-shaped groove 26 corresponding to the second round hole.
The triangular support 12 is internally provided with a reinforcing rib 27, one end of the reinforcing rib 27 is fixed on the first stabilizing rod 12-1, the other end of the reinforcing rib 27 is fixed on the second stabilizing rod 12-2, and the reinforcing rib 27 and the third stabilizing rod 12-3 are arranged in parallel.
The spring housing base 21 is circular, internal threads are arranged on the inner wall of the spring housing base 21, external threads are arranged on the outer wall of the larger opening end of the spring housing 19, and the spring housing 19 is in threaded connection with the spring housing base 21.
The grab handle 17 and the pin rod 18 are detachable structures.
One end of the grab handle 17 is provided with a hole, an internal thread is arranged at the hole, one end of the pin rod 18 is provided with an external thread 18-1, and the grab handle 17 is in threaded connection with the pin rod 18.
The single-lug connecting plate 5 consists of a connecting plate and a mounting lug plate which are arranged vertically, the connecting plate is vertically fixed at the upper end of the double-shaft connecting rod 8, and the mounting lug plate is provided with a strip hole; the first ear plate 11-1 and the second ear plate 11-2 are rectangular plates, and the first ear plate 11-1 and the second ear plate 11-2 are respectively provided with a third round hole and a fourth round hole corresponding to the strip holes.
The upper pressing wheel 22 is cylindrical, the lower pressing wheel 9 is in a circular truncated cone shape, and the side surface of the circular truncated cone shape is an arc surface.
With reference to fig. 1-7, the present invention has the following embodiments:
the double-lug connecting plate 11 and the single-lug connecting plate 5 are clamped by a pin rod 18 of a spring pin, the pin rod 18 in the spring pin is in a normally limited shape under the expansion force of the spring, the pin rod 18 is in threaded connection with a grab handle 17, the grab handle 17 is pulled outwards to drive the pin rod 18 to move, the self-locking state is opened to disassemble and assemble the anti-tilting hooking and fastening rail device a, and the assembling and disassembling speed of the anti-tilting hooking and fastening rail device a is increased.
The third stabilizing rod of the tripod is not only a side of the tripod, but also a part of the first hoop and the second hoop, and is formed by dividing the steel pipe into two parts, so that the production cost is reduced.
The structure of staple bolt one and staple bolt two is the same, is equipped with round hole one and the U-shaped groove one of falling on connecting plate one and the connecting plate two of staple bolt one lower extreme respectively, and the bolt of taking the screw nut can be hung to round hole one, and the screw process can be removed from when fastening in the U-shaped groove one to and avoid the puzzlement that the screw nut lost, increased the installation rate, be fit for the contact net and overhaul. The first hoop and the second hoop are integrally folded, and the device is suitable for quick installation on site.
The spring sleeve base is circular, threads are arranged on the inner wall of the spring sleeve base, the spring sleeve base is welded with the double-lug connecting plate 11 and is concentric with the first round hole and the second round hole of the double-lug connecting plate, and the spring sleeve 19 is in threaded connection with the spring sleeve base 21. The pin 18 is screwed to the grip 17. Be equipped with restriction spring 20's boss (the spacing platform of spring 18-2) on pin rod 18, pin rod normal lock form exposes size 50mm, for No. 45 steel is made, be the normal lock state under the elastic action, in operation, will link to each other with ladder car chassis frame with staple bolt one and staple bolt two on the firm frame b of anti-tilt hook earlier, will prevent that the hook from buckleing rail ware an puts on rail c, make and push down wheel 9 and arrange rail nest department in, pulling grab handle 17 makes the spring catch be open form, insert ears connecting plate 11 with single ear connecting plate 5, loosen grab handle 17 and accomplish the utility model discloses an installation.
In actual work, the single-lug connecting plate applies force to the direction of the ladder car, and the upper pressing wheel, the lower pressing wheel and the double-shaft connecting rod 8 form a powerful hook to limit the ladder car to topple. The upper pressure wheel is provided with an upper pressure wheel rim 6, so that the upper pressure wheel can be prevented from being separated from the steel rail, and the anti-tilting hook rail fastening device a can be prevented from losing efficacy. The single lug connecting plate is connected with the double lug connecting plate, so that the anti-tilting hook stabilizing frame b has the function of ensuring the anti-tilting hook rail fastening device a to be vertical.
The double-lug connecting plate 11 is connected with the single-lug connecting plate through a spring pin, so that the double-lug connecting plate and the single-lug connecting plate are connected and can be quickly separated, and the quick and reliable installation can be ensured. The tripod is an important component for fixing the ladder car and the anti-tilting hooking rail device a, so that the ladder car can be ensured to be in operation, the anti-tilting hooking rail device a is ensured not to generate shape and position changes, and the clamping stagnation phenomenon is avoided.
When the anti-tilting hook fastening device works, the anti-tilting hook fastening frame b is connected with a chassis frame of the ladder car through the first hoop and the second hoop, the anti-tilting hook fastening rail device a is placed on a steel rail, the pressing wheels are placed at rail sockets, the spring pins are pulled, the single-lug connecting plates are inserted into the double-lug connecting plates, and the spring pins are loosened to complete installation. When the spring positioning pin generates corrosion, the switching task is easily completed through the prying function.
Claims (8)
1. The utility model provides an electrified railway contact net overhauls ladder car anti-tilting hook device which characterized in that: the anti-tipping hooking rail device (a) is connected with the anti-tipping hook stabilizing frame (b) through the spring pin (d);
the anti-tilting hook stabilizing frame (b) comprises a double-lug connecting plate (11), a tripod (12), a first hoop (14) and a second hoop (15), the tripod (12) consists of a first stabilizing rod (12-1), a second stabilizing rod (12-2) and a third stabilizing rod (12-3), the double-lug connecting plate (11) is arranged between the first stabilizing rod (12-1) and the second stabilizing rod (12-2), the double-lug connecting plate (11) consists of a first lug plate (11-1) and a second lug plate (11-2), the first lug plate (11-1) is fixedly arranged at one end of the first stabilizing rod (12-1), the second lug plate (11-2) is fixedly arranged at one end of the second stabilizing rod (12-2), and a gap is formed between the first lug plate (11-1) and the second lug plate (11-2); a first hoop (14) is arranged at the joint of the other end of the first stabilizing rod (12-1) and one end of the third stabilizing rod (12-3), and a second hoop (15) is arranged at the joint of the other end of the second stabilizing rod (12-2) and the other end of the third stabilizing rod (12-3);
the anti-tilting hook rail fastening device (a) comprises a single-lug connecting plate (5), an upper pressing wheel flange (6), an upper pressing wheel (22), an upper pressing wheel shaft (7), a double-shaft connecting rod (8), a lower pressing wheel (9) and a lower pressing wheel shaft (10); the double-shaft connecting rod (8) is arc-shaped, an upper pinch roller shaft (7) and a lower pinch roller shaft (10) are respectively arranged at two ends of the double-shaft connecting rod (8), an upper pinch roller (22) is arranged on the upper pinch roller shaft (7), an upper pinch roller rim (6) is arranged at one end, far away from the double-shaft connecting rod (8), of the upper pinch roller (22), and a lower pinch roller (9) is arranged on the lower pinch roller shaft (10); the lower end of the single-lug connecting plate (5) is fixed at the upper end of the double-shaft connecting rod (8), and the upper end of the single-lug connecting plate (5) is inserted into a gap between the first lug plate (11-1) and the second lug plate (11-2) in a matching manner;
the spring pin (d) comprises a grab handle (17), a pin rod (18), a spring sleeve (19), a spring (20) and a spring sleeve base (21), the spring sleeve base (21) is fixed on the outer side wall of the second ear plate (11-2), two ends of the spring sleeve (19) are both open, the opening width of one end is smaller than that of the other end, one end of the larger opening of the spring sleeve (19) is arranged on the spring sleeve base (21), the pin rod (18) is arranged in the spring sleeve (19), one end of the pin rod (18) penetrates out from one end of the smaller opening of the spring sleeve (19), the penetrating end is provided with the grab handle (17), the other end of the pin rod (18) penetrates out from one end of the larger opening of the spring sleeve (19), the penetrating end sequentially penetrates through the spring sleeve base (21), the second ear plate (11-2), the single-ear connecting plate (5) and the first ear plate (11-1), and the pin rod (18-2) is provided with a spring, the spring limiting table (18-2) is positioned at one end of the larger opening of the spring sleeve (19), the spring (20) is arranged on the pin rod (18), one end of the spring limiting table abuts against the inner wall of one end of the smaller opening of the spring sleeve (19), and the other end of the spring limiting table is fixed on the spring limiting table (18-2).
2. The anti-hook-tilting device for the electrified railway contact network overhaul ladder car as claimed in claim 1, which is characterized in that: the third stabilizing rod (12-3) is in a semicircular tube shape, one side of the third stabilizing rod (12-3) is provided with a hoop cover I (14-1), and the hoop cover I (14-1) is hinged to one side of the third stabilizing rod (12-3) through a hoop hinge shaft I (13) to form a hoop I (14); and the other side of the third stabilizing rod (12-3) is provided with a second hoop cover (15-1), and the second hoop cover is hinged to the other side of the third stabilizing rod (12-3) through a second hoop hinge shaft (16) to form the second hoop (15).
3. The anti-hook-tilting device for the electrified railway contact network overhaul ladder car as claimed in claim 2, wherein the anti-hook-tilting device comprises: the upper end of one side of the third stabilizing rod (12-3) is hinged with the upper end of the first hoop cover through a first hoop hinge shaft (13), the lower end of one side of the third stabilizing rod (12-3) and the lower end of the first hoop cover are respectively provided with a first connecting plate and a second connecting plate which correspond to each other, the first connecting plate is provided with a first round hole (23), and the second connecting plate is provided with a first inverted U-shaped groove (24) which corresponds to the first round hole (23); the upper end of the other side of the third stabilizing rod (12-3) is hinged with the upper end of the second hoop cover through a second hoop hinge shaft (16), the lower end of the other side of the third stabilizing rod (12-3) and the lower end of the second hoop cover are respectively provided with a third connecting plate and a fourth connecting plate which correspond to each other, the third connecting plate is provided with a second round hole (25), and the fourth connecting plate is provided with a second inverted U-shaped groove (26) which corresponds to the second round hole.
4. The anti-tilting hook device for the electrified railway contact network overhaul ladder car as claimed in claim 1 or 2, wherein: and a reinforcing rib (27) is arranged in the tripod (12), one end of the reinforcing rib (27) is fixed on the first stabilizing rod (12-1), and the other end of the reinforcing rib (27) is fixed on the second stabilizing rod (12-2).
5. The anti-tilting hook device for the electrified railway contact network overhaul ladder car as claimed in claim 1 or 2, wherein: the spring sleeve base (21) is annular, internal threads are arranged on the inner wall of the spring sleeve base (21), external threads are arranged on the outer wall of the end, with the larger opening, of the spring sleeve (19), and the spring sleeve (19) is in threaded connection with the spring sleeve base (21).
6. The anti-tilting hook device for the electrified railway contact network overhaul ladder car as claimed in claim 1 or 2, wherein: the grab handle (17) and the pin rod (18) are detachable structures.
7. The anti-tilting hook device for the electrified railway contact network overhaul ladder car as claimed in claim 6, wherein: one end of the grab handle (17) is provided with a hole, an internal thread is arranged at the hole, an external thread (18-1) is arranged at one end of the pin rod (18), and the grab handle (17) is in threaded connection with the pin rod (18).
8. The anti-tilting hook device for the electrified railway contact network overhaul ladder car as claimed in claim 1 or 2, wherein: the single-lug connecting plate (5) consists of a connecting plate and a mounting lug plate which are arranged vertically, the connecting plate is vertically fixed at the upper end of the double-shaft connecting rod (8), and the mounting lug plate is provided with a strip hole; the first ear plate (11-1) and the second ear plate (11-2) are rectangular plates, and the first ear plate (11-1) and the second ear plate (11-2) are respectively provided with a third round hole and a fourth round hole corresponding to the strip holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921211490.4U CN210416554U (en) | 2019-07-30 | 2019-07-30 | Anti-tilting hook device for electrified railway contact network maintenance ladder car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921211490.4U CN210416554U (en) | 2019-07-30 | 2019-07-30 | Anti-tilting hook device for electrified railway contact network maintenance ladder car |
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| Publication Number | Publication Date |
|---|---|
| CN210416554U true CN210416554U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921211490.4U Active CN210416554U (en) | 2019-07-30 | 2019-07-30 | Anti-tilting hook device for electrified railway contact network maintenance ladder car |
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| Country | Link |
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| CN (1) | CN210416554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520064A (en) * | 2020-04-29 | 2020-08-11 | 中铁十二局集团有限公司 | Multifunctional operation ladder vehicle |
-
2019
- 2019-07-30 CN CN201921211490.4U patent/CN210416554U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520064A (en) * | 2020-04-29 | 2020-08-11 | 中铁十二局集团有限公司 | Multifunctional operation ladder vehicle |
| CN111520064B (en) * | 2020-04-29 | 2021-11-12 | 中铁十二局集团有限公司 | Multifunctional operation ladder vehicle |
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