Rotatable bidirectional adjacent line track laying guide arm

Abstract

A rotatable two-way adjacent line track laying guide arm comprises a base frame, a rotating arm is connected to the base frame through a rotating device, and the rotating arm can rotate around the axis of the rotating arm under driving of the rotating device; the fixed end of the telescopic device is connected with the rotating arm, and the free end of the telescopic device is connected with the telescopic arm; one end of the telescopic arm is connected with a steel rail guide frame through a lifting device; the steel rail guide frame can transversely move along the telescopic arm under driving of the telescopic device, can vertically ascend and descend under driving of the lifting device and can rotate along the axis of the rotating device under driving of the rotating arm. When adjacent lines on the two sides need to be laid, guide operation can be carried out on a steel rail during laying operation of the adjacent lines on the other side only by rotating the guide arm without replacing an operation line, and the working efficiency is greatly improved. And the steel rail guide frame can lift to adjust the height of the guide steel rail, so that a plurality of guide arms with the same structure can be conveniently matched to guide laying of the steel rail in a smooth curve manner in the height direction.

Description

Technical Field

[0001] The utility model relates to the field of railway track laying equipment, in particular to a rotatable bidirectional adjacent line track laying guide arm. Background Art

[0002] The adjacent lines of the railway main line are called adjacent lines. During the track laying operation, both the main line and the adjacent line need to be laid. In the traditional track laying operation of the main line, the line where the track laying equipment is located is used for track laying of the main line. When laying the track of the adjacent line, the track laying equipment needs to be replaced to lay the rails. The operation lines of the track laying tractor and pusher need to be changed, which results in low track laying efficiency.

[0003] Through searching, it is found that there are related technical documents on track-laying equipment and construction methods for adjacent lines in the prior art. For example, the invention patent publication document with the publication number "CN109930440A" and the name "A track-laying equipment for an adjacent line and a track-laying construction method for an adjacent line" is disclosed. A track-laying equipment for an adjacent line is disclosed, including a push car for conveying rails and a locomotive for towing the push car along a first line, and also including a flatbed car for laying rails on a second line. The locomotive, the push car and the flatbed car are connected in sequence, and the flatbed car is provided with a down-slope rail deflector for shifting the rails. The down-slope rail deflector extends to the second line and lays the rails in the rail-bearing groove of the second line under the traction of the locomotive. During the construction process, the push car conveys the rails to the down-slope rail deflector. After the rails pass through the down-slope rail deflector, the ends are fixed in the rail-bearing grooves of the second line. The locomotive moves along the first line, driving the push car and the flatbed car to move at the same time, and the rails fall into the rail bearing groove along the slope rail deflector. The locomotive and the push car can complete the laying of rails on the second line without changing lines.

[0004] For example, the invention patent publication document with the publication number "CN114277624A" and the name "A method for laying long rails on two adjacent lines" discloses a method for laying long rails on two adjacent lines, including the following steps: using a first pusher to cooperate with a traction vehicle to lay a first pair of long rails along a first line; removing rollers and upper fasteners, and using a second pusher to sequentially pass the long rails on the long rail train through the rail-pushing device provided on the flatbed car, and fix the ends of the long rails in the rail-bearing grooves of the second line, and connect with the turnout or the previous pair of laid rails; installing the fastener accessories of the sleepers to fix the first pair of long rails; using the track-laying equipment to drive the long rail train to move forward and align, and gradually drop the long rails into the rail-bearing grooves of the second line, and repeat the above steps to lay the long rails of the first line and the second line.

[0005] The above-mentioned comparative documents all proposed relevant equipment and construction methods for track laying operations on the adjacent line, so that the rails of the adjacent line can be laid without changing the operating routes of the track laying tractor and the pusher. However, for the track laying operation conditions where there are adjacent lines on both sides of the main line, in the relevant technical solutions disclosed in the above-mentioned comparative documents, after laying the main line and the adjacent line on one side, it is still necessary to replace the operating routes of the track laying tractor and the pusher for the adjacent line on the other side. It will be of great significance if a relevant construction method and equipment that can simultaneously lay the main line and the adjacent lines on both sides can be proposed. To achieve the laying of the adjacent lines on both sides, a two-way adjacent line track laying guide arm for guiding the laying of rails is proposed, which is an important component in the relevant equipment. Generally speaking, the adjacent line track laying guide arm has multiple groups on the track laying pusher, which guide the adjacent line rails at different points, while the utility model proposes a rotatable two-way adjacent line track laying guide arm for two-way adjacent line track laying. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a rotatable bidirectional adjacent line track laying guide arm, characterized in that: it comprises a base frame, on which a swivel arm is connected via a swivel device, and the swivel arm can rotate around its axis when driven by the swivel device; one end of the swivel arm is connected to the telescopic arm via a telescopic device, and the fixed end of the telescopic device is connected to the swivel arm and the free end is connected to the telescopic arm; at one end of the telescopic arm, a rail guide frame is connected via a lifting device; the rail guide frame can move laterally along the telescopic arm when driven by the telescopic device, can be lifted vertically when driven by the lifting device, and can rotate around the axis of the swivel device when driven by the swivel arm.

[0007] Furthermore, the rotating device includes a hollow rotating column and a bearing group sleeved therein, the rotating arm is connected to a vertical rotating shaft, and the rotating shaft is inserted into the rotating column and cooperates with the bearing group to drive the rotating arm to rotate.

[0008] Furthermore, the rotating shaft is a stepped shaft vertically fixedly connected to the rotating arm, and the inside of the rotating column is a stepped surface corresponding to the stepped shaft; wherein the inside of the rotating column has step one, step two, and step three from top to bottom; step one is connected to the deep groove ball bearing, step two is connected to the thrust ball bearing, and step three is connected to the tapered roller bearing; the top end face of the deep groove ball bearing is connected to the pressure cover, and the bottom end face of the tapered roller bearing is connected to the end cover, and the pressure cover and the end cover cooperate with the stepped shaft and the step surface inside the rotating column to fix the bearing group on the outer peripheral side of the rotating shaft.

[0009] Furthermore, both ends of the base frame are fixedly connected to vertical supporting columns, the top of the supporting column is provided with a flange plate, and the bottom of the rotating arm is connected to the flange plate by bolts.

[0010] Furthermore, a guide inclined plate is provided on the outer side of the flange plate.

[0011] The above-mentioned lifting device is a telescopic cylinder vertically connected to the telescopic arm, one end of the telescopic cylinder passes through the telescopic arm and the other end is connected to the crossbeam, and both ends of the crossbeam are connected to the rail guide frame; there are guide rods on both sides of the telescopic cylinder, the guide rods pass through the telescopic arm and the bottom ends are connected to the rail guide frame.

[0012] Furthermore, the farthest end of the rotating arm relative to the rail guide frame is connected to a rotating counterweight.

[0013] Furthermore, the rail guide frame comprises a frame body, and two guide openings are symmetrically connected on the vertical side of the frame body; the guide openings are in a square trumpet shape.

[0014] Furthermore, the frame includes a vertical mounting plate and a cover plate, a side surface of the cover plate is fixedly connected to the guide port and the other side surface is connected to the mounting plate; a pair of horizontal rollers and a pair of vertical rollers are connected to the mounting plate.

[0015] Compared with the prior art, the technical solution of the present application has the following beneficial effects: the rotatable bidirectional adjacent line track laying guide arm involved in the utility model can drive the rail guide frame to rotate around the rotating device. When it is necessary to lay adjacent lines on both sides, the rails for laying the adjacent lines on the other side can be guided by rotating the guide arm without changing the operation line, which greatly improves the work efficiency. The rail guide frame can also be raised and lowered to adjust the height of the guide rails, so as to facilitate the coordination of multiple guide arms with the same structure to guide the laying of rails in a smooth curve in the height direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 : Schematic diagram of the overall structure of the rotatable bidirectional adjacent line track laying guide arm provided in this embodiment;

[0017] Figure 2 : A side view of the rotatable bidirectional adjacent line track laying guide arm provided in this embodiment;

[0018] Figure 3 : A cross-sectional view of the rotatable bidirectional adjacent track laying guide arm rotating device provided in this embodiment Figure 1 ;

[0019] Figure 4 : A cross-sectional view of the rotatable bidirectional adjacent track laying guide arm rotating device provided in this embodiment Figure 2 ;

[0020] Figure 5 : Schematic diagram of rail guide frame structure. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1 and Figure 2 A rotatable bidirectional adjacent track laying guide arm comprises a base frame B1, a rotating arm B2 is connected to the base frame B1 through a rotating device B6, and the rotating arm B2 can rotate around its axis under the drive of the rotating device B6; one end of the rotating arm B2 is connected to the telescopic arm B4 through a telescopic device B5, and the fixed end of the telescopic device B5 is connected to the rotating arm B2 and the free end is connected to the telescopic arm B4; a rail guide frame A3 is connected to one end of the telescopic arm B4 through a lifting device; the rail guide frame A3 can move laterally along the telescopic arm B4 under the drive of the telescopic device B5, can be lifted vertically under the drive of the lifting device, and can rotate around the axis of the rotating device B6 under the drive of the rotating arm B2.

[0023] When laying tracks on adjacent lines, the height and lateral displacement of the rail guide points are adjusted according to the needs, the telescopic device B5 is adjusted to meet the predetermined lateral displacement, and the lifting device is adjusted to meet the predetermined height, and the rails can be guided to lay tracks in a smooth curve with the guidance arms provided by the embodiment. After the adjacent line guidance operation on one side is completed, there is no need to change the line of the main line. It is only necessary to start the rotating device B6 to rotate the entire rotating arm B2, rotate the rail guide frame A3 to the adjacent line on the other side, and then perform the guiding and laying operations on the other side in the same way.

[0024] like Figure 3 and Figure 4As shown. The rotating device B6 includes an internally hollow rotating column B61 and a bearing group sleeved therein, and the rotating arm B2 is connected to the vertical rotating shaft B21. The rotating shaft B21 is inserted into the rotating column B61 and cooperates with the bearing group to drive the rotating arm B2 to rotate. In this embodiment, the vertical rotating shaft B21 is welded to the rotating arm B2, and the fulcrum of the rotating column B61 does not bisect the rotating arm B2, but is close to the side away from the rail guide frame A3. This is because the guiding point of the rail requires a larger lateral displacement, so the telescopic arm B4 is required to have a larger lateral displacement stroke, so the fulcrum of the rotating column B61 is set on the side away from the rail guide frame A3. In this way, the rotating arm B2 has a smaller rotation radius, and the same length of the rotating arm B2 can meet a larger lateral displacement of the telescopic arm B4, which is very necessary for the track laying guidance of the adjacent lines on both sides. In this embodiment, the rotational driving force of the rotating device B6 comes from manpower or a manual hoist. Due to the bidirectional adjacent line track laying operation, the number of rotation reversals is not frequent, and a single guide arm only needs to be reversed once. Therefore, manual push will not significantly reduce the operating efficiency, but it still greatly improves the operating efficiency compared to requiring the entire push vehicle to change lines.

[0025] The rotating shaft B21 is a stepped shaft vertically fixedly connected to the rotating arm B2, and the rotating column B61 has a stepped surface inside that matches the stepped shaft. There are step 1 B66, step 2 B65, and step 3 B67 from top to bottom inside the rotating column B61. Step 1 B66 is connected to the deep groove ball bearing B63, step 2 B65 is connected to the thrust ball bearing B62, and step 3 B67 is connected to the tapered roller bearing B64. The top end face of the deep groove ball bearing B63 is connected to the pressure cover B68, and the bottom end face of the tapered roller bearing B64 is connected to the end cover B22. The pressure cover B68 and the end cover B22 cooperate with the stepped shaft and the internal step surface of the rotating column B61 to fix the bearing group on the outer peripheral side of the rotating shaft B21. Step 1 B66, step 2 B65, and step 3 B67 not only provide installation space for the corresponding bearings, but also provide axial limit for each bearing. The cooperation of deep groove ball bearing B63, thrust ball bearing B62 and tapered roller bearing B64 enables the rotating column B61 and the bearing group to withstand greater axial pressure, because the rail is hung on the rail guide frame A3 during the guiding operation, which brings greater gravity, so the rotating column B61 and the bearing group need to have better axial bearing capacity. At the same time, as mentioned above, since the rotating column B61 is not set at the center of the rotating arm B2, the rotating axis B21 of the telescopic arm B4 provides a lateral shear torque to the rotating column B61 under the action of the gravity of the rail, so the cooperation of the above-mentioned bearing group needs to bear this shear torque.

[0026] The two ends of the base frame B1 are fixedly connected to the vertical support column B11. The top of the support column B11 has a flange plate B111, and the bottom of the rotating arm B2 is connected to the flange plate B111 by bolts. The support column B11 makes the rotating arm B2 have better stability. When the rotating arm B2 is rotated, the support column does not rotate with it. It is fixedly connected to the base frame B1. When the rotating arm B2 rotates to the top of the support column B11, it is just parallel to the base frame B1. At this time, the bolts on the flange plate B111 fix the rotating arm B2 on the support column B11. When reversing, remove the bolts on the flange plate B111 and rotate the rotating arm B2. It should be noted that, as can be seen from the above, the telescopic arm B4 needs to have a large lateral displacement. Therefore, when the telescopic arm B4 is fully retracted, it is limited by the travel of the telescopic device, which can be a cylinder in this embodiment, and the telescopic arm B4 cannot be fully retracted, resulting in a certain initial lateral displacement of the rail guide frame A3. This initial lateral displacement has no effect during the guiding operation, but after the operation is completed, when the push cart moves together with each guiding arm, the initial lateral displacement of the telescopic arm B4 will greatly increase the lateral width of the push cart, which is not conducive to the push cart moving on the rail. Therefore, at this time, the rotating arm B2 can be rotated to a state perpendicular to the base frame B1 through the rotating device B6, and the rail guide frame A3 is fully retracted. Although the support column B11 cannot provide support at this time because it fails to rotate with it, the rail guide frame A3 can be placed on the flat plate of the push cart to provide support.

[0027] The flange plate B111 has a guide inclined plate B112 on its outer side. The guide inclined plate B112 can play a certain guiding role when the rotating arm B2 rotates to the top of the supporting column B11.

[0028] The lifting device is a telescopic cylinder B7 vertically connected to the telescopic arm B4, one end of the telescopic cylinder B7 passes through the telescopic arm B4 and the other end is connected to the crossbeam B41, and the two ends of the crossbeam B41 are connected to the rail guide frame A3; there are guide rods B43 on both sides of the telescopic cylinder B7, and the guide rods B43 pass through the telescopic arm B4 and the bottom end is connected to the rail guide frame A3. The telescopic cylinder B7 cooperates with the guide rods B43 to drive the rail guide frame A3 to rise and fall in the height direction.

[0029] The farthest end of the rotating arm B2 relative to the rail guide frame A3 is connected to a rotating counterweight block B23. The rotating counterweight block B23 is used to offset the vertical moment generated by the rail on the telescopic arm B4 and the rotating arm B2.

[0030] The rail guide frame A3 comprises a frame body A31, and two guide openings A32 are symmetrically connected on the vertical side of the frame body A31; the guide openings A32 are in a square trumpet shape.

[0031] The frame A31 includes a vertical mounting plate A314 and a cover plate A313, wherein a side of the cover plate A313 is fixedly connected to the guide port A32 and the other side is connected to the mounting plate A314; a pair of horizontal rollers A35 and a pair of vertical rollers A34 are connected to the mounting plate A314.

[0032] The rail guide frame A3 comprises a frame body A31, and a guide opening A32 is connected to the vertical side surface of the frame body A31; the guide opening A32 is in a square trumpet shape.

[0033] The frame A31 includes a vertical mounting plate A314 and a cover plate A313, wherein a side of the cover plate A313 is fixedly connected to the guide port A32 and the other side is connected to the mounting plate A314; a pair of horizontal rollers A35 and a pair of vertical rollers A34 are connected to the mounting plate A314.

[0034] The square trumpet-shaped guide opening A32 has a certain guiding effect when the rail is pushed into the rail guide frame A3, and the rail can still be smoothly pushed into the guide opening A32 when it is not completely facing the rail guide frame A3. In this embodiment, the two guide openings A32 are symmetrically fixedly connected on the opposite sides of the frame A31, one side of the cover plate A313 is fixedly connected to one guide opening A32 and the other side is connected to the mounting plate A314, and one side of the mounting plate A314 is fixedly connected to another guide opening A32. That is, the guide openings A32 have two symmetrical ones, so that the rail can be pushed in from the front and rear directions and guided to pass through the rail guide frame A3. The horizontal roller A35 and the vertical roller A34 can contact the outer surface of the rail. Specifically, the horizontal roller A35 is a cylindrical roller, and the vertical roller A34 is a roller similar to a step shaft. The four rollers together form a "convex"-shaped section that conforms to the outer surface of the rail, so that the horizontal roller A35 and the vertical roller A34 can fit the outer surface of the rail as closely as possible, thereby minimizing the friction when guiding the rail.

[0035] The installation structure design of the horizontal roller A35 and the vertical roller A34 is as follows: Figure 5 The mounting plate A314 is provided with a vertical groove A313 and a horizontal groove A314, the horizontal rotation axis A351 of the horizontal roller A35 is embedded in the horizontal groove A314, and the vertical rotation axis A341 of the vertical roller A34 is embedded in the vertical groove A313.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotatable bidirectional adjacent line track laying guide arm, characterized in that: The invention comprises a base frame (B1), wherein a rotating arm (B2) is connected to the base frame (B1) via a rotating device (B6), and the rotating arm (B2) can rotate around its axis under the drive of the rotating device (B6); one end of the rotating arm (B2) is connected to a telescopic arm (B4) via a telescopic device (B5), and the fixed end of the telescopic device (B5) is connected to the rotating arm (B2) and the free end is connected to the telescopic arm (B4); one end of the telescopic arm (B4) is connected to a rail guide frame (A3) via a lifting device; the rail guide frame (A3) can move laterally along the telescopic arm (B4) under the drive of the telescopic device (B5), can be lifted vertically under the drive of the lifting device, and can rotate around the axis of the rotating device (B6) under the drive of the rotating arm (B2).

2. The rotatable bidirectional adjacent line track laying guide arm according to claim 1, characterized in that: The rotating device (B6) comprises a rotating column (B61) with a hollow interior and a bearing group sleeved therein; the rotating arm (B2) is connected to a vertical rotating shaft (B21); the rotating shaft (B21) is inserted into the rotating column (B61) and cooperates with the bearing group to drive the rotating arm (B2) to rotate.

3. The rotatable bidirectional adjacent line track laying guide arm according to claim 2, characterized in that: The rotating shaft (B21) is a stepped shaft vertically fixedly connected to the rotating arm (B2), and the interior of the rotating column (B61) is a stepped surface corresponding to the stepped shaft; wherein the interior of the rotating column (B61) has step one (B66), step two (B65), and step three (B67) from top to bottom; step one (B66) is connected to the deep groove ball bearing (B63), step two (B65) is connected to the thrust ball bearing (B62), and step three (B67) is connected to the tapered roller bearing (B64); the top end face of the deep groove ball bearing (B63) is connected to the pressure cover (B68), and the bottom end face of the tapered roller bearing (B64) is connected to the end cover (B22); the pressure cover (B68) and the end cover (B22) cooperate with the stepped shaft and the internal step surface of the rotating column (B61) to fix the bearing group on the outer peripheral side of the rotating shaft (B21).

4. The rotatable bidirectional adjacent line track laying guide arm according to claim 3, characterized in that: Both ends of the base frame (B1) are fixedly connected to vertical supporting columns (B11), the top of the supporting column (B11) is provided with a flange plate (B111), and the bottom of the rotating arm (B2) is connected to the flange plate (B111) by bolts.

5. The rotatable bidirectional adjacent line track laying guide arm according to claim 4, characterized in that: The outer side of the flange plate (B111) is provided with a guide inclined plate (B112).

6. The rotatable bidirectional adjacent line track laying guide arm according to any one of claims 1 to 5, characterized in that: The lifting device is a telescopic oil cylinder (B7) vertically connected to the telescopic arm (B4), one end of the telescopic oil cylinder (B7) passes through the telescopic arm (B4) and the other end is connected to the crossbeam (B41), and both ends of the crossbeam (B41) are connected to the rail guide frame (A3); guide rods (B43) are provided on both sides of the telescopic oil cylinder (B7), and the guide rods (B43) pass through the telescopic arm (B4) and the bottom ends are connected to the rail guide frame (A3).

7. The rotatable bidirectional adjacent line track laying guide arm according to claim 6, characterized in that: The farthest end of the rotating arm (B2) relative to the rail guide frame (A3) is connected to a rotating counterweight (B23).

8. The rotatable bidirectional adjacent line track laying guide arm according to claim 7, characterized in that: The rail guide frame (A3) comprises a frame body (A31), and two guide openings (A32) are symmetrically connected on the vertical side of the frame body (A31); the guide openings (A32) are in the shape of a square trumpet.

9. The rotatable bidirectional adjacent line track laying guide arm according to claim 8, characterized in that: The frame (A31) comprises a vertical mounting plate (A314) and a cover plate (A313); a side of the cover plate (A313) is fixedly connected to the guide opening (A32) and the other side is connected to the mounting plate (A314); a pair of horizontal rollers (A35) and a pair of vertical rollers (A34) are connected to the mounting plate (A314).

Images