JP6236378B2 - Sleeper lifting switch - Google Patents

Description

  The present invention relates to a sleeper replacement track work vehicle for safely and efficiently performing a sleeper replacement on a track.

  In general, railroad rails are laid on sleepers, but sleepers change over time due to long-term use, so it is necessary to replace them with new ones in a timely manner.

  When changing sleepers by hand, there are nearly 100 kg of common sleepers, so it is very hard work. For example, a cart that can run on rails and a lifting device that grips one end of sleepers There has been proposed a sleeper replacement track work vehicle that includes a drive device that moves the lifting tool up and down and traverses to change sleepers (see, for example, Patent Document 1).

JP 2012-017610 A

  However, the sleeper lifting exchanger described in Patent Document 1 described above requires a sliding mechanism because the lifting part is moved along the transverse beam when the lifting tool that holds the sleeper is moved in the horizontal direction. There is also a problem.

  Further, the sleeper lifting switch described in the above-mentioned Patent Document 1 has a problem that it cannot cope with the inclination of the rail, although a cant adjustment mechanism that keeps the transverse beam horizontal is provided.

  Therefore, the present invention has been made paying attention to such a problem. Firstly, a slide mechanism for sliding the lifting portion in the lateral direction is unnecessary, and secondly, not only the rail cant but also the inclination. It is an object of the present invention to provide a sleeper lifting switch that can cope with the above.

In order to solve the above-described problems, a rail correction apparatus according to the present invention includes a rotating arm portion that rotates in a horizontal direction around a rotating shaft on a carriage that runs on a rail, and a sleeper is provided at the tip of the rotating arm portion. A sleeper lifting switch provided with a sleeper lifting mechanism for catching and moving up and down, wherein the carriage includes a carriage body provided with wheels traveling on rails at least at two positions on the left and right sides respectively. A rotation shaft support portion that is inserted with a rotation shaft of the rotation arm portion and rotatably supports the rotation shaft; and a circular shape that is provided around the rotation shaft support portion and travels by a roller provided on the rotation arm portion. Between the guide portion of the vehicle body and the wheels provided on at least two sides on the left and right sides of the bogie body. Thereby preventing the overturning of the machine, characterized in that a rail catch part is braked.
Here, the bogie main body is provided at both front and rear end portions on the left and right sides of the bogie main body, and the base end portion is rotatably attached to the bogie main body, while the tip portion is provided with a wheel. One end is connected between the support leg and the base end and the tip of the wheel support leg, and the other end is connected to the cart body, and the telescopic part is provided. By changing the standing angle of the wheel support leg with respect to the wheel by expanding and contracting the part, and changing the height of the carriage body with respect to the wheel, the rotating arm part can be kept horizontal regardless of the cant and inclination of the rail. Then even better.

In the sleeper lifting switch of the present invention, a sleeper lifting mechanism that includes a rotating arm portion that rotates horizontally around a rotating shaft on a carriage traveling on a rail, and catches and lifts the sleeper at the tip of the rotating arm portion. Since the portion is provided, it is possible to provide a sleeper lifting exchanger that does not require a slide mechanism for sliding the lifting portion in the lateral direction.
In addition, by providing telescopic parts at the front and rear ends of the left and right sides of the carriage body, even when replacing sleepers at the curved and inclined parts of the rail, the wheel support leg parts for the wheels can be expanded and contracted. By changing the stand up angle and changing the height of the carriage body relative to the wheels, it becomes possible to maintain the horizontal state of the rotating arm regardless of the cant and inclination of the rail, and the sleeper can be replaced more easily and safely .
Further, the sleeper lifting switch of the present invention is a rail that catches a rail between wheels provided at least on the left and right sides of the bogie body and prevents the falling of the sleeper lifting switch and applies a brake. Since the catch portion is provided, the sleeper lifting exchanger can be reliably stopped on the rail.

It is a front view of the sleeper lifting switch of the embodiment according to the present invention. It is a top view of the sleeper lifting exchange of embodiment which concerns on this invention. It is a side view of the sleeper lifting exchanger of the embodiment according to the present invention. It is a side view which expands and shows the rail catch part which comprises the sleeper lifting switch of embodiment which concerns on this invention. It is a front view which shows the state which removed the arm part from the trolley | bogie lifting switch of embodiment which concerns on this invention. It is a top view which shows operation | movement at the time of replacing | exchanging sleepers using the sleeper lifting switch of embodiment which concerns on this invention. It is a top view which shows operation | movement at the time of replacing | exchanging sleepers using the sleeper lifting switch of embodiment which concerns on this invention. It is a top view which shows operation | movement at the time of replacing | exchanging sleepers using the sleeper lifting switch of embodiment which concerns on this invention. It is a top view which shows operation | movement at the time of replacing | exchanging sleepers using the sleeper lifting switch of embodiment which concerns on this invention. It is a side view which shows the state which made the arm part horizontal using the telescopic part which comprises the sleeper lifting switch of embodiment concerning this invention when there is a cant in the curve part of a rail. It is a front view which shows the state which made the arm part horizontal using the telescopic part which comprises the sleeper lifting switch of embodiment concerning this invention when there is a cant in the curve part of a rail.

  Embodiments of a sleeper lifting switch according to the present invention will be described below in detail with reference to the accompanying drawings. The embodiment described below is merely an example of the present invention, and the present invention is not limited to the following embodiment.

  The sleeper lifting switch 1 of the present embodiment is for safely and efficiently replacing the sleeper 2 on the track. As shown in FIGS. 1 to 5, a carriage 11, a rotating arm unit 12, The sleeper elevating mechanism 13 is provided.

  The carriage 11 includes a carriage main body 11a in which wheels 11a1 and 11a1 traveling on the rail 3 are provided at least at two positions on the left and right sides via wheel support legs 11a2 and 11a2, respectively, and a rotating shaft 12b of the rotating arm section 12. A rotating shaft support portion 11b that is inserted and rotatably supports the rotating shaft 12b, a circular guide portion 11c provided to draw an arc (circumference) around the rotating shaft support portion 11b, and the cart 11 Is provided with a rail catch portion 11d for stopping on the rail 3.

  As shown in FIG. 4, the rail catch portion 11d catches the rail 3 by raising and lowering the catch members 11d3 and 11d3 via the chain rotation mechanism portion 11d1 and the chain 11d2 by rotating the handle 11d11 in the forward direction or the reverse direction. Then, the sleeper lifting exchanger 1 is prevented from being overturned, and a brake is applied to stop the sleeper lifting exchanger 1 on the rail 3. Here, rotatable rollers (rollers) 11d4 and 11d4 are provided on the inner sides of the tip portions of the catch members 11d3 and 11d3, respectively.

  Further, the base body 11a is connected to both front and rear end portions on the left and right sides of the base body 11a so that the base end portion is pivotably connected to the base body 11a, and the tip end portion is connected to the wheel support legs 11a2 and 11a2. It is provided with telescopic parts 11e and 11e that are connected so as to be rotatable and that use a turnback or the like that expands and contracts by its own rotation.

  Therefore, the carriage main body 11a can be expanded and contracted independently by extending the telescopic parts 11e and 11e on both the left and right sides of the carriage body 11a to change the standing angle of the wheel support leg 11a2 with respect to the wheels 11a1 on the left and right sides of the carriage body 11a. The horizontal state of the carriage 11 can be maintained regardless of the cant and inclination of the rail 3.

  The rotating arm portion 12 includes an arm 12a that is longer than between the rails 3 and 3, a rotating shaft 12b that is provided at the base end portion of the arm 12a, and is rotatably inserted into the rotating shaft support portion 11b of the carriage 11. The roller 12c is provided on 12a and travels on a guide portion 11c provided on the carriage 11.

  The sleeper lifting / lowering mechanism 13 is provided at the tip of the arm 12a, and is composed of a chain block or the like. The handle 13a1 is hooked via the chain rotating mechanism 13a and the chain 13b by rotating the handle 13a1 in the forward or reverse direction. 13c is moved up and down and the old and new sleepers 2 are moved up and down.

  Next, the operation of the sleeper lifting switch 1 configured as described above will be described. In the example described below, a case where a new sleeper 2 ′ is laid under the rail 3 will be described.

  First, the sleeper lifting exchanger 1 is moved on the rails 3 and 3 to the place where the sleeper 2 is replaced. When the operator reaches the replacement place, the operator rotates the handle 11d11 of the rail catch portion 11d to move the catch members 11d3 and 11d3. The rollers (rollers) 11d4 and 11d4 are brought into contact with the jaws of the rail 3 by raising.

  Then, the treads on the heads of the rails 3 and 3 are pressed from above by the wheels 11a1 and 11a1, while the jaws on the heads of the rails 3 and 3 are pressed from below by the rollers (rollers) 11d4 and 11d4. The fall of the sleeper lifting switch 1 can be prevented.

  Further, when the handle 11d11 of the rail catch portion 11d is further rotated, the rollers (rollers) 11d4 and 11d4 of the catch members 11d3 and 11d3 come into stronger contact with the jaw portion of the rail 3, and the rollers (rollers) 11d4 and 11d4 rotate. It becomes difficult. Therefore, the brake is applied by the rail catch portion 11d, and the sleeper lifting switch 1 can be stopped on the rail 3.

  Next, as shown in FIG. 6, the operator rotates the arm 12 c of the sleeper lifting and changing machine 1 to make it substantially perpendicular to the rails 3 and 3, and the sleeper lifting mechanism 13 provided at the tip of the arm 12 a. The handle 13a1 is rotated to lower the hook 13c. The hook 13c is hooked on the wire 2a 'fixed to the new sleeper 2' placed on the side of the track, and the handle 13a1 of the sleeper lifting / lowering mechanism 13 is rotated in the reverse direction to rise to a position higher than the rails 3 and 3. Let

  Next, as shown in FIG. 7, the operator rotates the arm 12c to move the new sleeper 2 'to above the rails 3 and 3, and then rotates the handle 13a1 of the sleeper lifting mechanism 13 to obtain a new one. While the sleeper 2 ′ is being lowered, the sleeper 2 ′ is rotated as shown in FIG. 8 to pass between the rails 3 and 3, and a new sleeper 2 ′ is installed under the rails 3 and 3 as shown in FIG.

  Therefore, according to the sleeper lifting exchanger 1 of the present embodiment, the rotary arm portion 12 that rotates in the horizontal direction around the rotary shaft 12b is provided on the carriage 11 that runs on the rail 3, and the rotary arm portion 12 Since the sleeper lifting mechanism 13 that catches and lifts the sleeper 2 at the tip is provided, it is possible to provide a sleeper lifting exchanger that does not require a slide mechanism that slides the lifting part laterally.

  In particular, in the sleeper lifting switch 1 of the present embodiment, the telescopic portions 11e and 11e are provided at the front and rear ends of the left and right sides of the carriage main body 11a, respectively. Even if it is inclined, as shown in FIGS. 10 and 11, the left and right sides of the cart body 11a are individually expanded and contracted by individually extending and retracting the telescopic portions 11e and 11e at both front and rear ends of the cart body 11a. The height of the cart body 11a can be changed at the front and rear end portions on both sides, that is, at the four corners. 10 and 11 show a case where the rail has a cant and no inclination. When the rail has an inclination, the amount of expansion and contraction may be changed by the front and rear extendable portions 11e and 11e.

  As a result, according to the sleeper lifting switch 1 of the present embodiment, the rotating arm portion 12 can maintain a horizontal state regardless of the cant and inclination of the rail 3, so that the curve portion of the rail 3 and the inclined portion of the rail 3 are old and new. Even when the sleepers 2, 2 'are replaced, the old and new sleepers 2, 2' can be replaced more easily and safely.

DESCRIPTION OF SYMBOLS 1 Sleeper lifting switch 11 Car 11a Car body 11a1, 11a1 Wheel 11a2, 11a2 Wheel support leg 11b Rotating shaft support 11c Guide 11d Rail catch 11d1 Chain rotation mechanism 11d11 Handle 11d2 Chain 11d3, 11d3 Catch member 11d4, 11d4 (roller)
11e, 11e Telescopic part 12 Rotating arm part 12a Arm 12b Rotating shaft 12c Roller 13 Sleeper lifting mechanism part 13a Chain rotating mechanism part 13a1 Handle 13b Chain 13c Hook 2, 2 'Sleeper 3 rail

Claims (2)

A rotating arm part that rotates horizontally around a rotating shaft is provided on a carriage that travels on a rail, and a sleeper lifting mechanism part that catches and lifts sleepers at the tip of the rotating arm part is provided. A sleeper lifting switch that
The cart is
A truck body in which wheels running on rails are provided at least at two positions on the left and right sides;
A rotation shaft support portion for inserting a rotation shaft of the rotation arm portion and rotatably supporting the rotation shaft;
A circular guide portion provided around the rotation shaft support portion, on which a roller provided on the rotation arm portion travels;
A rail catch portion that is provided on each of the left and right sides of the bogie body and between the wheels provided at least in the front and rear sides, catches the rail to prevent the sleeper lifting switch from overturning, and applies a brake. A sleeper lifting switch characterized by that. The sleeper lifting switch according to claim 1,
The cart body is
Provided respectively at both front and rear ends of the left and right sides of the cart body, while the base end portion is rotatably attached to the cart body, while the wheel support leg portion provided with a wheel at the tip portion;
One end portion is connected between the base end portion and the tip end portion of the wheel support leg portion, and the other end portion includes a telescopic portion connected to the cart body,
By extending the telescopic part, the standing angle of the wheel support leg with respect to the wheel is changed, and the height of the carriage body with respect to the wheel is changed, so that the level of the rotating arm part can be maintained regardless of the cant and inclination of the rail. A sleeper lifting switch characterized by that.

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