A movable center rail frog drilling device
By designing a drilling device for movable heart rail forks of the switch, vertical drilling is achieved in a narrow space using a corner device and a support platform, the problems of drilling construction difficulties and long cycles in the prior art are solved, and the accuracy and efficiency of drilling are improved.
Patent Information
- Application Number
- CN202111530385.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-12-14
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2041-12-14
AI Technical Summary
The prior art has problems such as difficulty in drilling holes in turnout movable heart rail forks and excessive construction periods in narrow spaces, which affects the normal operation of the railway.
An movable heart rail rush drilling device is designed, including a support platform, a corner device supporting iron, a coupling iron, a wing rail supporting iron and a center rail supporting iron. The drilling direction is converted to vertical through the angler, and the support platform and limit plate are used to ensure drilling accuracy and stability.
It realizes rapid and precise drilling operations in a narrow space, shortens the construction cycle and avoids the impact on railway operations.
Smart Images

Figure CN114182587B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of rail transportation, and in particular to a movable center rail frog drilling device. Background Art
[0002] Before 2014, the jumper and branch connection of the movable heart rail fork section of the national railway turnouts were not standardized. In order to standardize the setting of jumpers, it is necessary to drill holes for the movable heart rail forks that had problems before 2014. Under normal circumstances, drilling is done before the turnout leaves the factory and when all rail parts are in a single piece.
[0003] The drilling of rail parts in the movable heart rail frog of the turnout is generally completed during the production and manufacturing process of the turnout rail parts; after the rail parts are assembled, they become movable heart rail frogs. At this time, the space inside the frogs is small, and re-drilling construction is more difficult; now it is necessary to complete the supplementary drilling under the railway operation window. If the movable heart rail frog is split into single parts, the construction period will be too long, seriously affecting the normal operation of the railway. Summary of the invention
[0004] In view of the problems existing in the above-mentioned background technology, the present invention provides a movable heart rail frog drilling device with a simple and reasonable structural design, which can perform drilling operations in a small space, ensure overall smooth drilling, and effectively ensure drilling accuracy.
[0005] The technical solution of the present invention is as follows:
[0006] The above-mentioned movable heart rail fork drilling device comprises a supporting platform, an angler support iron, a coupling iron, a wing rail support iron, a heart rail support iron and a buckle plate; the supporting platform is used to support the wing rails and the heart rail, and one end of the supporting platform is matched with a telescopic adjustment structure; the angler support iron is used to install the drilling corner equipment and is matched and slidably placed on the upper part of one end of the supporting platform; the coupling iron is installed on the top of the angler support iron; the wing rail support iron and the heart rail support iron are used to stably fix the entire drilling device on the movable heart rail fork and are respectively matched and installed on the horizontal ends of the coupling iron; the heart rail support iron, the wing rail support iron and the angler support iron are connected as a whole through the coupling iron; the buckle plate is matched and installed on the upper part of one end of the supporting platform, and is used for fixing the supporting platform after the telescopic adjustment of different movable heart rail forks.
[0007] The movable heart rail frog drilling device, wherein: an adjustment piece is sandwiched between one side of the top end of the wing rail support iron and the horizontal end surface of the connecting iron; an adjustment piece is also sandwiched between the top end of the heart rail support iron and the horizontal end surface of the other end of the connecting iron.
[0008] The movable heart rail frog drilling device, wherein: the upper part of the angler support iron is matched with a drilling rig installation groove and a connecting iron installation groove; the drill bit installation part of the drilling rig is matched and clamped in the drilling rig installation groove, and the drill bit of the drilling rig extends outward in the horizontal direction of the drilling rig installation groove; the lower part of the connecting iron is matched and clamped in the connecting iron installation groove.
[0009] The movable heart rail frog drilling device, wherein: the support platform includes a wing rail support plate, a heart rail support plate connected to the upper part of one end of the wing rail support plate, and a heart rail limiting plate connected to the upper part of one end of the heart rail support plate; one end of the wing rail support plate is vertically upwardly matched with a mounting arm and a strip assembly hole is matched and opened on the outer side of the mounting arm; the upper end of the mounting arm is matched and installed with a support platform adjustment screw; the support platform adjustment screw horizontally passes through the mounting arm and an adjustment nut is matched and installed at the protruding end, and the end of the support platform adjustment screw is against one side of the bottom end of the wing rail; the wing rail is placed on the top surface of the wing rail support plate, the heart rail is placed on the top surface of the heart rail support plate and one side of the bottom end is limited by the heart rail limiting plate.
[0010] The movable heart rail frog drilling device, wherein: the gusset plate is detachably mounted on the top surface of the wing rail support plate through the strip assembly hole and equipped with a gusset plate fastener.
[0011] The movable heart rail frog drilling device, wherein: the lower end of the wing rail support iron is matched with a wing rail side limit block protruding toward the side facing away from the corner support iron, and the end of the wing rail side limit block presses against the side wall of the wing rail; the upper end of the wing rail support iron is horizontally protruding with a wing rail top limit plate toward the side facing away from the corner support iron, and the wing rail top limit plate is pressed against the top of the wing rail (01).
[0012] The movable heart rail frog drilling device, wherein: the lower end of the heart rail support iron is matched with a heart rail side limit block protruding toward the side facing away from the corner support iron, and the end of the heart rail side limit block presses against the side wall of the heart rail; the upper end of the heart rail support iron is horizontally protruding with a heart rail top limit plate toward the side facing away from the corner support iron, and the heart rail top limit plate is pressed against the top of the heart rail.
[0013] Beneficial effects:
[0014] The movable frog drilling device of the present invention has a simple and reasonable structural design, is suitable for rapid installation without disassembling the movable frog, and can complete drilling in the existing movable frog.
[0015] The present invention utilizes an angler (a mechanical device that can turn the drilling direction to vertical) to convert the drilling method of an ordinary drilling rig into a method perpendicular to the drilling rig body, so that drilling operations can be performed in a narrow space. Devices other than the drilling rig and the angler provide a mobile support platform and stabilize the drilling rig to ensure the accuracy of drilling.
[0016] The invention is supported on the wing rails and the heart rail of the movable heart rail frog. Through the support platform, the invention can be used for drilling holes in the movable heart rail frog under both ballasted and ballastless working conditions; the angler support iron is used to install the drilling angle equipment and slide on the support platform to provide the feed displacement required for drilling; the connecting iron connects the heart rail support iron, the wing rail support iron and the angler support iron into a whole, and the angler support iron and the connecting iron are closely matched, which can ensure the overall stable drilling and ensure the drilling tolerance. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the assembly of the movable center rail frog drilling device and the drilling rig of the present invention;
[0018] Figure 2 It is a front view of the movable center rail frog drilling device of the present invention;
[0019] Figure 3 A top view of the movable center rail frog drilling device of the present invention;
[0020] Figure 4 It is a front view of the connection between the angler support iron and the drilling machine of the movable center rail frog drilling device of the present invention;
[0021] Figure 5 The present invention is a left view of the connection between the angler support iron and the drilling machine of the movable center rail frog drilling device of the present invention. DETAILED DESCRIPTION
[0022] like Figures 1 to 5 As shown, the movable heart rail frog drilling device of the present invention comprises a supporting platform 1, a corner support iron 2, a connecting iron 3, a wing rail support iron 4, a heart rail support iron 5, an adjusting piece 6 and a buckle plate 7.
[0023] The support platform 1 can be telescopically adjusted and used for supporting under two rail members. It is an integrated rectangular platform and includes a wing rail support plate 11, a heart rail support plate 12 and a heart rail limit plate 13. The wing rail support plate 11 is a flat plate structure and is slotted in the middle of one end and then bent vertically upward along the bottom of the slot to form a mounting arm 111. The wing rail support plate 11 is symmetrically provided with a pair of strip assembly holes 112 on both sides of the mounting arm 111 to match and symmetrically match; the wing rail 01 is placed on the top surface of the middle section of the wing rail support plate 11, and the upper end of the mounting arm 111 is horizontally matched and installed with a support platform adjustment screw 113; the support platform adjustment screw 113 passes through the mounting arm 111 and the protruding end is matched and installed with an adjustment nut (the support platform adjustment screw 113 and the adjustment nut are collectively referred to as a telescopic adjustment structure), and the end of the support platform adjustment screw 113 is pressed against one side of the bottom end of the wing rail 01; the support platform 1 can be telescopically adjusted through the support platform adjustment screw 113, and is used for supporting the bottom ends of the two wing rails 01. The center rail support plate 12 is formed by first bending the other end of the wing rail support plate 11 vertically upward and then bending horizontally outward to extend, that is, it includes a vertical part and a horizontal part; the center rail 02 is placed on the top surface of the horizontal part of the center rail support plate 12. The center rail limiting plate 13 has a pair of top surfaces on both sides of the front and rear sides, which are respectively matched and fixed on the ends of the horizontal part of the center rail support plate 12; the center rail limiting plate 13 is a limiting plate structure with a right-angled cross section, that is, it includes a vertical plate and a horizontal plate, the vertical plate of the center rail limiting plate 13 is vertically fixed to the top surface of the horizontal part of the center rail support plate 12, the horizontal plate of the center rail limiting plate 13 is horizontally connected to the top of one side of the vertical plate of the center rail limiting plate 13 facing the center rail support plate 12, and a center rail limiting slot is formed between the center rail limiting plate 13 and the horizontal part of the center rail support plate 12, and is matched and engaged with the bottom end of the center rail 02 through the center rail limiting slot.
[0024] The corner turner support iron 2 is a plate-like structure and is matched and slidably placed on the upper part of one end of the wing rail support plate 11 of the support platform 1 close to the heart rail support plate 12, for installing the drill 9, and sliding on the support platform 1 to provide the feed displacement required for drilling; wherein, a drill rig mounting groove 21 is opened through the upper center of the corner turner support iron 2 in the horizontal direction, and the drill bit mounting part of the drill rig 9 is matched and clamped in the drill rig mounting groove 21, and the drill bit of the drill rig 9 extends outward in the horizontal direction of the drill rig mounting groove 21; a pair of connecting iron mounting grooves 22 are matched and symmetrically opened at the front and rear ends of the top of the corner turner support iron 2.
[0025] The connecting iron 3 has a pair of connecting irons 3 that are respectively matched and horizontally fixedly installed at the front and rear ends of the upper part of the corner support iron 2. Specifically, the lower parts of the pair of connecting irons 3 are respectively clamped in a pair of connecting iron installation grooves 22 on the top of the corner support iron 2.
[0026] The wing rail support iron 4 and the heart rail support iron 5 are used to stably fix the entire drilling device on the movable heart rail fork; the connecting iron 3 connects the heart rail support iron 5, the wing rail support iron 4 and the corner support iron 2 as a whole, and the corner support iron 2 and the connecting iron 3 are closely matched to ensure overall stable drilling and drilling tolerance.
[0027] The wing rail support iron 4 has a pair of horizontal end faces that are respectively matched and detachably installed on the pair of connecting irons 3; wherein, an adjustment piece 6 is sandwiched between the top end of each wing rail support iron 4 and the horizontal end face of the connecting iron 3, and the top end of each wing rail support iron 4 is locked and fixed together with the horizontal end face of the connecting iron 3 and the adjustment piece 6 by a support iron fastener 8 (a fastener composed of bolts, nuts and washers); the lower end of the wing rail support iron 4 is matched with a wing rail side limit block 41 protruding toward the side facing away from the corner support iron 2, and the end of the wing rail side limit block 41 is against the middle side wall of the wing rail 01; the upper end of the wing rail support iron 4 is horizontally protruding with a wing rail top limit plate 42 toward the side facing away from the corner support iron 2, and the bottom surface of the wing rail top limit plate 42 is pressed against the top of the wing rail 01.
[0028] The heart rail support iron 5 has a pair of horizontal other end faces that are respectively matched and detachably installed on the pair of connecting irons 3; wherein, another adjustment piece 6 is sandwiched between the top end of each heart rail support iron 5 and the horizontal other end face of the connecting iron 3, and the top end of each heart rail support iron 5 is locked and fixed together with the horizontal other end face of the connecting iron 3 and the other adjustment piece 6 by another support iron fastener 8 (the support iron fastener 8 is a fastener composed of bolts, nuts and washers); the lower end of the heart rail support iron 5 is matched with a heart rail side limit block 51 protruding toward the side facing away from the corner support iron 2, and the end of the heart rail side limit block 51 is against the middle side wall of the heart rail 02; the upper end of the heart rail support iron 5 is horizontally protruding with a heart rail top limit plate 52 toward the side facing away from the corner support iron 2, and the bottom surface of the heart rail top limit plate 52 is pressed against the top of the heart rail 02.
[0029] The adjusting piece 6 is used for adjusting the support distance at different movable frog drilling positions.
[0030] The gusset plate 7 is used to fix the supporting platform 1 after different movable heart rail frog telescopic adjustments; wherein, the gusset plate 7 has a pair of detachable gusset plate fasteners 71 respectively mounted on the top surface of the wing rail support plate 11 at a pair of strip assembly holes 112; the gusset plate fastener 71 adopts a bolt and nut structure, and the screw of the gusset plate fastener 71 passes through the strip assembly hole 112 and the gusset plate 7 from bottom to top in sequence, and then is equipped with a nut to lock and fix the gusset plate 7.
[0031] The structural design of the present invention is simple and reasonable, and the drilling operation can be performed in a narrow space, thereby ensuring overall stable drilling and effectively ensuring drilling accuracy.
Claims
1. A movable frog drilling device, Features: The drilling device comprises a supporting platform (1), an angler support iron (2), a connecting iron (3), a wing rail support iron (4), a center rail support iron (5) and a buckle plate (7); The support platform (1) is used to support the wing rail (01) and the center rail (02), and one end of the support platform (1) is matched with a telescopic adjustment structure; The corner turner support iron (2) is used to install the drilling corner device and is matched and slidably placed on the upper part of one end of the support platform (1); The coupling iron (3) is installed at the top end of the corner support iron (2); the wing rail support iron (4) and the center rail support iron (5) are used to stably fix the entire drilling device on the movable center rail frog and are respectively matched and installed at the two ends of the horizontal direction of the coupling iron (3); the center rail support iron (5), the wing rail support iron (4) and the corner support iron (2) are connected as a whole through the coupling iron (3); The buckle plate (7) is matched and installed on the upper part of one end of the support platform (1) and is used to fix the support platform (1) after different movable frogs are telescopically adjusted; An adjusting piece (6) is sandwiched between one side of the top end of the wing rail support iron (4) and the horizontal end surface of one end of the connecting iron (3); an adjusting piece (6) is also sandwiched between the top end of the center rail support iron (5) and the horizontal end surface of the other end of the connecting iron (3); The upper part of the angler support iron (2) is matched with a drill installation slot (21) and a connecting iron installation slot (22); the drill bit installation part of the drill (9) is matched and clamped in the drill installation slot (21), and the drill bit of the drill (9) extends outward in the horizontal direction of the drill installation slot (21); the lower part of the connecting iron (3) is matched and clamped in the connecting iron installation slot (22); The lower end of the wing rail support iron (4) is provided with a wing rail side limit block (41) facing away from the corner support iron (2), and the end of the wing rail side limit block (41) is against the side wall of the wing rail (01); the upper end of the wing rail support iron (4) is provided with a wing rail top limit plate (42) facing away from the corner support iron (2), and the wing rail top limit plate (42) is pressed against the top of the wing rail (01); A center rail side limit block (51) is provided at the lower end of the center rail support iron (5) facing away from the corner support iron (2), and the end of the center rail side limit block (51) is pressed against the side wall of the center rail (02); a center rail top limit plate (52) is provided horizontally at the upper end of the center rail support iron (5) facing away from the corner support iron (2), and the center rail top limit plate (52) is pressed against the top of the center rail (02).
2. The movable center rail frog drilling device according to claim 1, Features: The support platform (1) comprises a wing rail support plate (11), a heart rail support plate (12) connected to the upper part of one end of the wing rail support plate (11), and a heart rail limit plate (13) connected to the upper part of one end of the heart rail support plate (12); One end of the wing rail support plate (11) is matched with a mounting arm (111) vertically upward, and a strip-shaped assembly hole (112) is matched and opened on the outside of the mounting arm (111); The upper end of the mounting arm (111) is matched with a support platform adjustment screw (113); the support platform adjustment screw (113) passes through the mounting arm (111) horizontally and an adjustment nut is matched with the protruding end, and the end of the support platform adjustment screw is pressed against one side of the bottom end of the wing rail (01); The wing rail (01) is placed on the top surface of the wing rail support plate (11), the heart rail (02) is placed on the top surface of the heart rail support plate (12) and one side of the bottom end is limited by the heart rail limiting plate (13).
3. The movable frog drilling device according to claim 2, Features: The gusset plate (7) is detachably mounted on the top surface of the wing rail support plate (11) through the strip-shaped assembly hole (112) and equipped with a gusset plate fastener (71).
Citation Information
Patent Citations
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