Rail steel drilling equipment for ordinary-speed railway maintenance

Abstract

The utility model discloses rail steel drilling equipment for ordinary speed railway maintenance, which comprises a barrel body, a clamping mechanism is fixedly mounted at the front end of the barrel body, a hollow cylindrical rack is slidably mounted in the barrel body, a rotating shaft is rotatably arranged in the hollow cylindrical rack in a penetrating manner through a bearing, and the rotating shaft is connected with the clamping mechanism. One end of the rotating shaft penetrates out of the barrel and then is detachably provided with a drill bit, and the other end of the rotating shaft is sleeved with an inner spline sleeve in a matched mode through an outer spline. When the rail drilling device is used, after the barrel is fixed to a position to be drilled of a rail through the clamping mechanism, the motor is started, the inner spline sleeve can be driven to rotate through the sleeve, the rotating shaft and the drill bit are driven to rotate through cooperation of the inner spline sleeve and the outer spline, then the transmission shaft is pulled to rotate through the pull rod, and the hollow cylindrical rack can slide towards the rail. The rail drilling device is simple and convenient to operate, capable of drilling holes in the rails which are not laid, small in size and easy to carry.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail drilling technical field, concretely is a kind of rail steel drilling equipment for maintenance of ordinary speed railway. BACKGROUND

[0002] Ordinary speed railway, commonly known as ordinary railway, is referred to as ordinary railway, which refers to the railway with lower design speed, and only allows train to travel at ordinary speed, in the maintenance process of ordinary speed railway, the worn rail and switch rail point need to be replaced, and part of the rail needs to be drilled at the required position on the new rail during replacement to meet the installation of the rail itself or related equipment.

[0003] Through the search, the patent with announcement number CN221209972U discloses a rail drilling device, which drives the connected transmission plate to move vertically downward through the extension end of the air cylinder, so that the multiple first connecting rods and second connecting rods drive the multiple fixed blocks to abut on the inner wall of a pair of rails for fixation, thereby preventing the shaking of the moving vehicle body during drilling, the third motor can drive the first turntable to rotate, and the position of the drill bit arranged at the bottom of the first turntable is adjusted, so that the vehicle body does not need to be adjusted again when drilling the other rail, and the operation is simple and convenient.

[0004] The above scheme can move the device along the track by using the vehicle body and drill the rails on both sides of the track, but the device has poor portability due to its large size, and can only move along the completed railway track, so it cannot be applied to the drilling of rails that have not been installed, therefore, we propose a rail steel drilling equipment for maintenance of ordinary speed railway. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a rail steel drilling equipment for maintenance of ordinary speed railway to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a kind of rail steel drilling equipment for ordinary speed railway maintenance, including cylinder, the front end of the cylinder is fixedly installed with clamping mechanism, hollow cylindrical rack is slidably installed in the cylinder, rotating shaft is rotatably penetrated in the hollow cylindrical rack by bearing, the one end of the rotating shaft is detachably installed with drill bit after penetrating out of cylinder, the other end of the rotating shaft is sleeved with internal spline sleeve by external spline cooperation, the one end of the cylinder is fixedly connected with motor, away from clamping mechanism, the output shaft of the motor is fixedly connected with sleeve, the opening end of the internal spline sleeve is fixedly connected with sleeve, the outer wall of the cylinder is provided with transmission box, transmission shaft is rotatably penetrated on the transmission box, the one end of the transmission shaft is fixedly connected with pull rod outside transmission box, and the transmission shaft is drivingly connected with hollow cylindrical rack.

[0008] As a further scheme of the utility model: the outer wall of the transmission shaft in the transmission box is fixedly sleeved with gear, and the gear is mutually engaged with the hollow cylindrical rack.

[0009] As a further scheme of the utility model: two guide slots are symmetrically formed in the outer wall of the hollow cylindrical rack, and guide strip is slidably arranged in the guide slot.

[0010] As a further scheme of the utility model: the one end of the rotating shaft is fixedly connected with connecting sleeve outside the cylinder, and the connecting end of the drill bit is in the connecting sleeve, and locking screw is penetrated in the connecting sleeve by screw hole cooperation.

[0011] As a further scheme of the utility model: the clamping mechanism includes L-shaped plate fixedly installed at the end of the cylinder, the inner wall of the L-shaped plate on both sides of the drill bit is fixedly connected with backboard by bolt, the outer contour of the backboard is matched with the inner contour of the rail, the outer wall of the L-shaped plate away from the cylinder is penetrated with two hand screws by screw hole cooperation, and the hand screw is one-to-one corresponding with the backboard.

[0012] As a further scheme of the utility model: the threaded end of the hand screw is fixedly connected with connecting rod, and the one end of the connecting rod away from the hand screw is rotatably connected with clamping plate by bearing seat.

[0013] As a further scheme of the utility model: the outer wall of the cylinder and the L-shaped plate is fixedly installed with handle.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model discloses a hollow cylindrical rack is slid to the rail place through the pull rod driving transmission shaft rotation, can make hollow cylindrical rack to the rail place sliding to push the rotating drill bit and the rail contact and gradually complete drilling, simple and convenient operation can be on the rail that is not laid and carry out drilling, and the device volume is smaller, easy to carry. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a kind of structure schematic diagram of rail steel drilling equipment for general speed railway maintenance.

[0017] Figure 2 It is Figure 1 Partial sectional view.

[0018] Figure 3 It is a kind of structure schematic diagram of guide strip in rail steel drilling equipment for general speed railway maintenance.

[0019] Wherein, barrel 1, rail plate 2, back plate 3, hand screw bolt 4, connecting rod 5, clamping plate 6, motor 7, sleeve 8, inner spline sleeve 9, shaft 10, outer spline 11, connecting sleeve 12, drill bit 13, transmission box 14, transmission shaft 15, gear 16, pull rod 17, hollow cylindrical rack 18, guide groove 19, guide strip 20, handle 21, rail 22. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical schemes and beneficial effects to be solved in the utility model more clearly, the following will be combined with examples, and the utility model will be further described in detail. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0021] It should be noted that when an element is referred to as "fixed to" or "provided on" another element, it can be directly on another element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to another element or indirectly connected to the other element.

[0022] It should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the 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 cannot be understood as a limitation on the utility model.

[0023] Furthermore, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not denote or imply a relative importance or an implied recitation that the indicated features are in any way indispensable. Thus, a feature defined with "first", "second" can include one or more of the features.

[0024] Referring to Figures 1 to 3 In the utility model embodiment, a kind of rail steel drilling equipment for general speed railway maintenance, including cylinder 1, the front end of the cylinder 1 is fixedly installed with clamping mechanism, hollow cylindrical rack 18 is slidably installed in the cylinder 1, rotating shaft 10 is rotatably penetrated in the hollow cylindrical rack 18 by bearing, the one end of the rotating shaft 10 is detachably installed with drill bit 13 after penetrating out of cylinder 1, the other end of the rotating shaft 10 is matched with internal spline sleeve 9 by outer spline 11, the one end of the cylinder 1 away from clamping mechanism is fixedly connected with motor 7, the output shaft of the motor 7 is fixedly connected with sleeve 8, the opening end of the internal spline sleeve 9 is fixedly connected with sleeve 8, the outer wall of the cylinder 1 is provided with transmission box 14, transmission shaft 15 is rotatably penetrated on the transmission box 14, pull rod 17 is fixedly connected to the one end of the transmission shaft 15 outside transmission box 14, the transmission shaft 15 is transmissionally connected with hollow cylindrical rack 18.

[0025] The utility model discloses a kind of rail steel drilling equipment for general speed railway maintenance, including cylinder 1, the front end of the cylinder 1 is fixedly installed with clamping mechanism, hollow cylindrical rack 18 is slidably installed in the cylinder 1, rotating shaft 10 is rotatably penetrated in the hollow cylindrical rack 18 by bearing, the one end of the rotating shaft 10 is detachably installed with drill bit 13 after penetrating out of cylinder 1, the other end of the rotating shaft 10 is matched with internal spline sleeve 9 by outer spline 11, the one end of the cylinder 1 away from clamping mechanism is fixedly connected with motor 7, the output shaft of the motor 7 is fixedly connected with sleeve 8, the opening end of the internal spline sleeve 9 is fixedly connected with sleeve 8, the outer wall of the cylinder 1 is provided with transmission box 14, transmission shaft 15 is rotatably penetrated on the transmission box 14, pull rod 17 is fixedly connected to the one end of the transmission shaft 15 outside transmission box 14, the transmission shaft 15 is transmissionally connected with hollow cylindrical rack 18.

[0026] Specifically combined Figure 2 In an embodiment of the utility model, the outer wall of the transmission shaft 15 in transmission box 14 is fixedly sleeved with gear 16, and the gear 16 is engaged with the hollow cylindrical rack 18.

[0027] Through the cooperation of gear 16 and hollow cylindrical rack 18, pulling pull rod 17 drives gear 16 to rotate, which can drive hollow cylindrical rack 18 to slide in cylinder 1, and the operation is simple and convenient.

[0028] Specifically combined Figure 3 In an embodiment of the utility model, two guide grooves 19 are symmetrically formed in the outer wall of the hollow cylindrical rack 18, and guide strips 20 are slidably arranged in the guide grooves 19, and the guide strips 20 are fixedly connected with the inner wall of the cylinder 1.

[0029] Through the cooperation of the guide groove 19 and the guide strip 20, the hollow cylindrical rack 18 can be guided in the barrel 1, and the rotation of the hollow cylindrical rack 18 in the barrel 1 is avoided, so that the stability of the cooperation between the hollow cylindrical rack 18 and the gear 16 is ensured.

[0030] In particular Figure 2 In an embodiment of the present application, the one end of the rotating shaft 10 fixedly connected with the connecting sleeve 12 outside the barrel 1, the connecting end of the drill bit 13 is located in the connecting sleeve 12, and the locking screw is matched and arranged through the threaded hole on the connecting sleeve 12, so that different models of drill bits 13 can be conveniently installed on the connecting sleeve 12.

[0031] In particular Figure 1 In an embodiment of the present application, the clamping mechanism comprises the L-shaped plate 2 fixedly installed at the end of the barrel 1, the inner walls on both sides of the L-shaped plate 2 are fixedly connected with the backrest 3 through bolts, the outer contour of the backrest 3 is matched with the inner contour of the rail 22, and the outer wall of the L-shaped plate 2 away from the barrel 1 is provided with two hand screws 4 matched and arranged through threaded holes.

[0032] Further, the threaded ends of the hand screws 4 are fixedly connected with the connecting rods 5, the outer diameter of the connecting rods 5 is smaller than that of the threaded part of the hand screws 4, and the ends of the connecting rods 5 away from the hand screws 4 are rotatably connected with the clamping plates 6 through bearing seats.

[0033] Through the clamping mechanism, after the L-shaped plate 2 is sleeved on the rail 22, the hand screws 4 are rotated to make the clamping plates 6 and the backrests 3 tightly fit the inner walls on both sides of the rail 22, so that the barrel 1 can be fixed on the rail 22, the operation is simple and convenient, and through the arrangement of the connecting rods 5, when the hand screws 4 are rotated to be separated from the L-shaped plate 2, the connecting rods 5 can be quickly moved in the threaded holes on the L-shaped plate 2, so that the clamping mechanism can be conveniently disassembled and assembled on the rail 22.

[0034] In particular Figure 1 In an embodiment of the present application, the outer walls of the barrel 1 and the L-shaped plate 2 are fixedly installed with the handles 21, so as to conveniently hold and operate the device.

[0035] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A drilling device for rail steel used in the maintenance of conventional railways, characterized in that: The device includes a cylindrical body (1), a clamping mechanism fixedly installed at the front end of the cylindrical body (1), a hollow cylindrical rack (18) slidably installed inside the cylindrical body (1), a rotating shaft (10) rotatably passing through the hollow cylindrical rack (18) via a bearing, a drill bit (13) detachably installed at one end of the rotating shaft (1) after it extends out of the cylindrical body (1), and an inner spline sleeve (9) is fitted onto the other end of the rotating shaft (10) via an external spline (11). The cylindrical body (1) is located away from the clamping mechanism. One end of the cylinder (1) is fixedly connected to a motor (7), the output shaft of the motor (7) is fixedly connected to a sleeve (8), the inner spline sleeve (9) is fixedly connected to the open end of the sleeve (8), the outer wall of the cylinder (1) is provided with a transmission box (14), a transmission shaft (15) is rotatably passed through the transmission box (14), the end of the transmission shaft (15) located outside the transmission box (14) is fixedly connected to a pull rod (17), and the transmission shaft (15) is connected to a hollow cylindrical rack (18) for transmission.

2. The drilling equipment for rail steel used in the maintenance of conventional railways according to claim 1, characterized in that: The transmission shaft (15) is fixedly sleeved with a gear (16) on the outer wall inside the transmission box (14), and the gear (16) meshes with the hollow cylindrical rack (18).

3. The drilling equipment for rail steel used in the maintenance of conventional railways according to claim 1, characterized in that: The hollow cylindrical rack (18) has two guide grooves (19) symmetrically opened on its two outer walls. Guide bars (20) are slidably arranged in the guide grooves (19), and the guide bars (20) are fixedly connected to the inner wall of the cylinder (1).

4. The drilling equipment for rail steel used in the maintenance of conventional railways according to claim 1, characterized in that: The shaft (10) is fixedly connected to a connecting sleeve (12) at one end outside the cylinder (1). The connecting end of the drill bit (13) is located inside the connecting sleeve (12), and a locking screw is fitted through a threaded hole on the connecting sleeve (12).

5. The drilling equipment for rail steel used in the maintenance of conventional railways according to claim 1, characterized in that: The clamping mechanism includes a U-shaped plate (2) fixedly installed at the end of the cylinder (1). The inner walls of the U-shaped plate (2) on both sides of the drill bit (13) are fixedly connected to the back plate (3) by bolts. The outer contour of the back plate (3) is adapted to the inner contour of the rail (22). Two hand-tightening bolts (4) are inserted through threaded holes on the outer wall of the U-shaped plate (2) away from the cylinder (1). The hand-tightening bolts (4) correspond one-to-one with the back plate (3).

6. The drilling equipment for rail steel used in the maintenance of conventional railways according to claim 5, characterized in that: The threaded end of each hand-tightening bolt (4) is fixedly connected to a connecting rod (5), and the end of the connecting rod (5) away from the hand-tightening bolt (4) is rotatably connected to a clamping plate (6) through a bearing seat.

7. The drilling equipment for rail steel used in the maintenance of conventional railways according to claim 5, characterized in that: Handles (21) are fixedly installed on the outer walls of both the cylindrical body (1) and the U-shaped plate (2).

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