CN213202185U - Auxiliary tool for installing and hanging additional line of contact net - Google Patents

Abstract

The utility model discloses a contact net attaches line installation appurtenance that hangs down, including tight line mechanism, support frame, rolling mechanism, hoist rope and lifting hook, the support frame is the style of calligraphy of falling V, and the support frame includes two fixed connection's down tube, is fixed with the horizon bar between two down tubes, and rolling mechanism overlaps on the horizon bar, and rolling mechanism rotates with the horizon bar to be connected, and tight line mechanism fixes at the top of support frame, and two down tubes are hollow structure, and the hoist rope is all worn to be equipped with in the inside of two down tubes, and the top of hoist rope links to each other with tight line mechanism, and the bottom of hoist rope is connected with the lifting hook. The utility model discloses make the operation personnel operate at the pillar top, through rolling mechanism with whole instrument frame to the shoulder frame on and roll along the shoulder frame and come height-adjusting, then receive and release the hoist and mount rope through wire grip mechanism, make the lifting hook go up and down to suitable height to easily slow down the saddle with the additional line of lifting hook hoist and mount. The construction efficiency is improved, the labor is saved, and the safety factor is improved.

Description

Auxiliary tool for installing and hanging additional line of contact net

Technical Field

The utility model relates to a railway contact net construction technical field, more particularly, the utility model relates to an auxiliary tool hangs down in installation of contact net overhead line.

Background

With the development of the electrified railways in China, the requirements on the performance of parts of the contact net of the electrified railways are higher and higher. The additional lines of the contact network comprise a feeder line, a short connecting line, a parallel connecting line, a reinforcing line, a positive feeder line, a return line, a protection line, a jumper, an overhead ground wire and the like, and are part of a power supply line, a return line and a protection line of the contact network.

In railway construction, after an additional line is unfolded, ground operators need to adopt an auxiliary rope and a pulley to match upper operators to delay the additional line to a saddle, and the pre-twisted protection line is wound on the additional line before the saddle is delayed, at the moment, the upper operators need to climb to the top end of a strut to find out the body to wind the pre-twisted protection line and delay the additional line of a contact net to the saddle, the method is low in construction speed, the upper operators are inconvenient to operate at the top end of the strut of the contact net, the number of required operators is large, and potential safety hazards exist.

Therefore, an auxiliary tool for installing and hanging an additional line of a contact net, which improves the construction efficiency and the safety factor, is needed.

SUMMERY OF THE UTILITY MODEL

For solving current contact net additional line installation in-process speed slow, need many people's cooperation, have the potential safety hazard scheduling problem, the utility model discloses creatively provides a contact net additional line installation appurtenance that hangs down, can easily slow the saddle with the additional line of lifting hook hoist and mount in, improve the efficiency of construction, use manpower sparingly, improve factor of safety.

For realizing foretell technical purpose, the utility model discloses a contact net attaches line installation appurtenance that hangs down, including tight line mechanism, support frame, rolling mechanism, hoist and mount rope and lifting hook, the support frame is the style of calligraphy of falling V, the support frame includes two fixed connection's down tube, is fixed with the horizon bar between two down tubes, the rolling mechanism cover is in on the horizon bar, rolling mechanism with the horizon bar rotates to be connected, tight line mechanism fixes the top of support frame, two down tubes are hollow structure, and the inside of two down tubes all is worn to be equipped with hoist and mount rope, hoist and mount the top of rope with tight line mechanism links to each other, the bottom of hoist and mount rope is connected with the lifting hook.

Furthermore, a fixed pulley for guiding the hoisting rope is fixed at the bottom of the inclined rod.

Furthermore, the horizontal rod is provided with an external thread, the rolling mechanism comprises two stepped shafts and two inner shafts, the two stepped shafts are arranged oppositely, one inner shaft is sleeved inside each stepped shaft and is rotatably connected with the inner shaft, the inner shaft is provided with an internal thread, and the inner shaft is in threaded connection with the horizontal rod.

Furthermore, a bearing is fixed between the stepped shaft and the inner shaft, an inner ring of the bearing is fixedly connected with the inner shaft, and an outer ring of the bearing is fixedly connected with the stepped shaft.

Further, the horizontal pole is equipped with the external screw thread, rolling mechanism includes two step shafts, two the step shaft sets up relatively, the step axle box is in on the horizontal pole, the step shaft with the horizontal pole rotates to be connected, the both sides of step shaft are equipped with lock nut respectively, lock nut with horizontal pole threaded connection.

Further, tightening mechanism includes mount, reel and robotic arm, the mount with support frame fixed connection, the reel sets up inside the mount, the reel with the mount rotates to be connected, the reel simultaneously with two the top of hoist and mount rope links to each other, robotic arm with reel fixed connection.

Furthermore, two parallel winding grooves are formed in the winding wheel.

Furthermore, a thread end fixing column is arranged in the winding groove.

Further, the lifting hook includes lifting hook coupler body and baffle, the baffle sets up the opening part of lifting hook coupler body, the top of baffle with the top of lifting hook coupler body is articulated, the bottom of baffle is located the outside of lifting hook coupler body.

Further, the hoisting rope is a steel wire rope.

The utility model has the advantages that:

(1) compared with the prior art, the utility model discloses an auxiliary tool is hung in contact net additional line installation makes the operation personnel operate at the pillar top, through rolling mechanism with whole instrument frame to the shoulder frame on and roll along the shoulder frame and come height-adjusting, then receive and release the hoist and mount rope through straining mechanism, make the lifting hook go up and down to suitable height to easily slow down the saddle with the additional line of lifting hook hoist and mount. The construction efficiency is improved, the labor is saved, and the safety factor is improved.

(2) The width of the rolling mechanism can be adjusted, and the adjustable shoulder rack is suitable for shoulder racks with different widths and has a wide application range.

Drawings

Fig. 1 is the utility model discloses contact net additional line installation hangs appurtenance's schematic structure view.

Fig. 2 is a schematic view of the connection between the horizontal rod and the rolling mechanism according to the embodiment of the present invention.

Fig. 3 is a schematic view of the connection between the horizontal bar and the rolling mechanism according to another embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a wire tightening mechanism according to an embodiment of the present invention.

In the figure, the position of the upper end of the main shaft,

1. a wire tightening mechanism; 2. a support frame; 3. a rolling mechanism; 4. hoisting a rope; 5. a hook; 6. a fixed pulley; 11. a fixed mount; 12. a reel; 13. a robot arm; 14. a winding slot; 15. a thread end fixing column; 21. a diagonal bar; 22. a horizontal bar; 31. a stepped shaft; 32. an inner shaft; 33. locking the nut; 51. a hook body of the lifting hook; 52. and a baffle plate.

Detailed Description

The utility model provides an overhead contact system additional line installation hangs appurtenance carries out detailed explanation and explanation in the following with the description attached drawing.

As shown in fig. 1, the embodiment specifically discloses a hanging auxiliary tool for installing an additional line of a contact network, which comprises a line tightening mechanism 1, a support frame 2, a rolling mechanism 3, a hoisting rope 4 and a lifting hook 5, wherein the support frame 2 is inverted V-shaped, the support frame 2 comprises two inclined rods 21 fixedly connected with each other, a horizontal rod 22 is fixed between the two inclined rods 21, the rolling mechanism 3 is sleeved on the horizontal rod 22, the rolling mechanism 3 is rotatably connected with the horizontal rod 22, and when the hanging auxiliary tool is used, the rolling mechanism 3 is erected on a shoulder frame and can roll along the shoulder frame, so that the whole auxiliary tool can move up and down along the shoulder frame. The top at support frame 2 is fixed to tight line mechanism 1, and two down tube 21 are hollow structure, and hoist rope 4 is all worn to be equipped with in the inside of two down tube 21, and the top of hoist rope 4 links to each other with tight line mechanism 1, and the bottom of hoist rope 4 is connected with lifting hook 5, can receive and release two hoist ropes 4 simultaneously through operation tight line mechanism 1 to two lifting hooks 5 go up and down simultaneously, lifting hook 5 is connected with the additional line of contact net, realizes the lift of the additional line of contact net.

The bottom of down tube 21 is fixed with fixed pulley 6 that is used for direction hoist and mount rope 4, and hoist and mount rope 4 walks around fixed pulley 6, and fixed pulley 6 leads it to reduce the frictional force between hoist and mount rope 4 and the down tube 21, be convenient for hoist and mount rope 4 receive and release laborsavingly. The hoisting rope 4 is a steel wire rope, has certain strength and can completely bear the weight of an additional line of the contact net.

As shown in fig. 2, the horizontal rod 22 is provided with an external thread, the rolling mechanism 3 includes two stepped shafts 31 and two inner shafts 32, the two stepped shafts 31 are arranged oppositely, one inner shaft 32 is sleeved inside each stepped shaft 31, the stepped shafts 31 are rotatably connected with the inner shafts 32, the inner shafts 32 are provided with internal threads, and the inner shafts 32 are in threaded connection with the horizontal rod 22. The distance between the two stepped shafts 31 is adjusted by adjusting the positions of the two inner shafts 32 on the horizontal bar 22 to accommodate shoulder rests of different widths. When the auxiliary tool is used, the two stepped shafts 31 are erected on the shoulder frame, the shoulder frame is located between shaft shoulders of the two stepped shafts 31, the two shaft shoulders guide the two stepped shafts 31, and the stepped shafts 31 roll along the shoulder frame, so that the whole auxiliary tool can move up and down along the shoulder frame.

A bearing is fixed between the stepped shaft 31 and the inner shaft 32, the inner ring of the bearing is fixedly connected with the inner shaft 32, and the outer ring of the bearing is fixedly connected with the stepped shaft 31, so that the stepped shaft 31 rotates relative to the horizontal rod 22.

As shown in fig. 3, in some embodiments, the horizontal rod 22 is provided with an external thread, the rolling mechanism 3 includes two stepped shafts 31, the two stepped shafts 31 are disposed opposite to each other, the stepped shafts 31 are sleeved on the horizontal rod 22, the stepped shafts 31 are rotatably connected to the horizontal rod 22, two sides of the stepped shafts 31 are respectively provided with a locking nut 33, and the locking nuts 33 are threadedly connected to the horizontal rod 22. The position of the stepped shaft 31 on the horizontal bar 22 is fixed by adjusting the positions of the two lock nuts 33, thereby adjusting the distance between the two stepped shafts 31 to accommodate shoulder rests of different widths. When the auxiliary tool is used, the two stepped shafts 31 are erected on the shoulder frame, the shoulder frame is located between shaft shoulders of the two stepped shafts 31, the two shaft shoulders guide the two stepped shafts 31, and the stepped shafts 31 roll along the shoulder frame, so that the whole auxiliary tool can move up and down along the shoulder frame.

As shown in fig. 4, the tightening mechanism 1 includes a fixing frame 11, a winding reel 12 and a mechanical arm 13, the fixing frame 11 is fixedly connected with the support frame 2, the winding reel 12 is arranged inside the fixing frame 11, the winding reel 12 is rotatably connected with the fixing frame 11, the winding reel 12 is simultaneously connected with the top ends of the two hoisting ropes 4, and the mechanical arm 13 is fixedly connected with the winding reel 12. The reel 12 can be rotated by the rotary mechanical arm 13, and the reel 12 simultaneously takes up and draws down the two hoisting ropes 4, so that the two lifting hooks 5 can be lifted and lowered simultaneously. Be equipped with the winding groove 14 of two parallels on the reel 12, be equipped with end of a thread fixed column 15 in the winding groove 14, the top of two hoist and mount ropes 4 is fixed respectively on end of a thread fixed column 15, then makes two hoist and mount ropes 4 twine respectively in two winding grooves 14 through spinning reel 12, avoids two hoist and mount ropes 4 mutual interference.

The lifting hook 5 comprises a hook body 51 and a baffle plate 52, the baffle plate 52 is arranged at the opening of the hook body 51, the top of the baffle plate 52 is hinged with the top of the hook body 51, and the bottom of the baffle plate 52 is positioned at the outer side of the hook body 51.

The utility model discloses a contact net attaches line installation hangs down appurtenance's application method does: the operator operates on the top of the support column, adjusts the distance between the two stepped shafts 31 of the rolling mechanism 3 to adapt to the width of the shoulder frame, and erects the rolling mechanism 3 on the shoulder frame; by pulling the robot arm 13, the entire auxiliary tool is moved closer to or farther from the upper worker by the rolling action of the stepped shaft 31. By swinging the mechanical arm 13 and rotating the reel 12, the hoisting rope 4 can be retracted and raised to reach the height at which the operator needs to lift the hook 5. The lifting hook 5 rises together with the lifting hook 5 under the action of the gravity of the additional line in the lifting process, so that an upper operator can conveniently wind the pre-twisted line protection strip and buffer the additional line to the saddle, the upper operator can freely fall the lifting hook 5 by shaking the mechanical arm 13, the additional line falls under the action of the self gravity and falls to a specified position, and the mechanical arm 13 is continuously shaken to realize automatic unhooking under the self gravity of the additional line (because the baffle 52 of the lifting hook 5 is arranged outside the hook body 51 of the lifting hook). The method has the advantages that the upper part operators can easily wind the line protecting strips and the saddles, the construction speed is high, the upper part construction operators can conveniently construct, the number of required operators is small, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the terms "this embodiment," "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, and simple improvements made in the spirit of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An auxiliary tool for installing and hanging an additional line of a contact net is characterized by comprising a line tightening mechanism (1), a support frame (2), a rolling mechanism (3), a hoisting rope (4) and a lifting hook (5), the support frame (2) is inverted V-shaped, the support frame (2) comprises two inclined rods (21) which are fixedly connected, a horizontal rod (22) is fixed between the two inclined rods (21), the rolling mechanism (3) is sleeved on the horizontal rod (22), the rolling mechanism (3) is rotationally connected with the horizontal rod (22), the wire tightening mechanism (1) is fixed at the top of the support frame (2), the two inclined rods (21) are both of a hollow structure, the hoisting ropes (4) are arranged inside the two inclined rods (21) in a penetrating way, the top end of the hoisting rope (4) is connected with the wire tightening mechanism (1), and the bottom end of the hoisting rope (4) is connected with the lifting hook (5).

2. The auxiliary tool for installing and hanging the overhead line of the overhead line system of claim 1, wherein a fixed pulley (6) for guiding the hoisting rope (4) is fixed at the bottom of the inclined rod (21).

3. The auxiliary tool for installing and hanging down an overhead line of a contact line of claim 1, wherein the horizontal rod (22) is provided with an external thread, the rolling mechanism (3) comprises two stepped shafts (31) and two inner shafts (32), the two stepped shafts (31) are arranged oppositely, one inner shaft (32) is sleeved inside each stepped shaft (31), the stepped shafts (31) are rotatably connected with the inner shaft (32), the inner shaft (32) is provided with an internal thread, and the inner shaft (32) is in threaded connection with the horizontal rod (22).

4. The auxiliary tool for installing and hanging the overhead line of the overhead line system of claim 3, wherein a bearing is fixed between the stepped shaft (31) and the inner shaft (32), an inner ring of the bearing is fixedly connected with the inner shaft (32), and an outer ring of the bearing is fixedly connected with the stepped shaft (31).

5. The auxiliary tool for installing and hanging the overhead line of the overhead line system according to claim 1, wherein the horizontal rod (22) is provided with an external thread, the rolling mechanism (3) comprises two stepped shafts (31), the two stepped shafts (31) are arranged oppositely, the stepped shafts (31) are sleeved on the horizontal rod (22), the stepped shafts (31) are rotatably connected with the horizontal rod (22), two sides of each stepped shaft (31) are respectively provided with a locking nut (33), and the locking nuts (33) are in threaded connection with the horizontal rod (22).

6. The auxiliary tool for hanging on the installation of the overhead line system with the additional line according to claim 1, wherein the line tightening mechanism (1) comprises a fixing frame (11), a winding wheel (12) and a mechanical arm (13), the fixing frame (11) is fixedly connected with the supporting frame (2), the winding wheel (12) is arranged inside the fixing frame (11), the winding wheel (12) is rotatably connected with the fixing frame (11), the winding wheel (12) is simultaneously connected with the top ends of the two hoisting ropes (4), and the mechanical arm (13) is fixedly connected with the winding wheel (12).

7. The auxiliary tool for installing and hanging down an overhead line of a contact line system according to claim 6, wherein the reel (12) is provided with two parallel winding grooves (14).

8. The auxiliary tool for installing and hanging the overhead line of the contact line according to claim 7, wherein a line head fixing column (15) is arranged in the winding groove (14).

9. The auxiliary tool for installing and hanging the overhead line of the overhead line system of claim 1, wherein the hook (5) comprises a hook body (51) and a baffle (52), the baffle (52) is arranged at the opening of the hook body (51), the top of the baffle (52) is hinged with the top of the hook body (51), and the bottom of the baffle (52) is positioned at the outer side of the hook body (51).

10. The auxiliary tool for installing and hanging the overhead line of the overhead line system of claim 1, wherein the hoisting rope (4) is a steel wire rope.

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