CN219004665U - Rail drilling machine - Google Patents

Abstract

The utility model relates to the technical field of railway construction equipment, in particular to a steel rail drilling machine, which comprises: the drilling machine comprises a drilling machine body, a clamping mechanism and a locking mechanism, wherein the drilling machine body is arranged on the clamping mechanism, the drilling machine body can slide on the clamping mechanism along the vertical direction, and the clamping mechanism is used for clamping a steel rail; the locking mechanism is arranged between the clamping mechanism and the drilling machine body and used for restraining relative sliding between the clamping mechanism and the drilling machine body. The utility model effectively solves the problem that the drill bit position of the steel rail drilling machine in the prior art cannot be adjusted, and achieves the purposes of adjustable drill bit position and accurate drilling position.

Description

Rail drilling machine

Technical Field

The utility model relates to the technical field of railway construction equipment, in particular to a steel rail drilling machine.

Background

The rail drilling machine is an indispensable tool for railway construction and rail maintenance. Plays a vital role in the rail laying. Rail drills are classified into two types, namely, work and electric work. The power form is mainly divided into alternating current electric power, internal combustion engine, hydraulic power, lithium battery and the like. The existing products are composed of power, reduction gearbox, feeding system, clamping system, cooling and other auxiliary components. The power is transmitted to the reduction gearbox, the output gear of the reduction gearbox drives the drill bit to rotate, the manpower or electric driving feeding gear drives the feeding rack to realize feeding, and the whole system is fixed on the steel rail by the clamping system.

In present railway drilling operation, original rail can leave some mounting holes before, when need carry out reaming operation to these mounting holes, because the position of these mounting holes is not unified, current rail drilling machine drill bit position can't be adjusted during the reaming, is difficult for aiming at original hole site, leads to reaming position skew, and then influences the life of rail.

Disclosure of Invention

The utility model provides a steel rail drilling machine, which is used for solving the problem that the drill bit position of the steel rail drilling machine cannot be adjusted in the prior art, and achieving the purposes of adjustable drill bit position and accurate drilling position.

The utility model provides a steel rail drilling machine, comprising:

a drilling machine body;

the drilling machine body is arranged on the clamping mechanism and can slide on the clamping mechanism along the vertical direction, and the clamping mechanism is used for clamping the steel rail;

the locking mechanism is arranged between the clamping mechanism and the drilling machine body and used for restraining relative sliding between the clamping mechanism and the drilling machine body.

According to the rail drilling machine provided by the utility model, the clamping mechanism comprises:

the drilling machine body is fixedly arranged on the first clamping piece and used for acting on one side surface of the steel rail;

and the drilling machine body is connected to the second clamping piece in a sliding manner and is used for acting on the other side face of the steel rail.

According to the rail drilling machine provided by the utility model, the second clamping piece comprises:

the rail plate is provided with at least two rail grooves along the vertical direction;

the rail plates are arranged in parallel and fixedly connected through the connecting pieces;

the rail plate is far away from the one end of track groove is provided with the block structure, the block structure is used for the block to rail one side.

According to the steel rail drilling machine provided by the utility model, the clamping structure comprises inclined planes which are suitable for the inclination of the side surface of the steel rail and are arranged on the upper end surface and the lower end surface of the rail plate.

According to the rail drilling machine provided by the utility model, the locking mechanism comprises: the locking bolt penetrates through the track groove and is in threaded connection with the drilling machine body.

According to the rail drilling machine provided by the utility model, the first clamping piece comprises:

the support is fixedly connected with the drilling machine body;

the swing arm is hinged with the support, and one end of the swing arm is provided with a clamping groove;

the clamping wheel is rotatably arranged at one end of the swing arm, which is far away from the clamping groove, and is used for being contacted with the steel rail;

the clamping force application rod is hinged with the support, and is fixedly provided with a clamping pin which can be clamped with the clamping groove and is used for restraining the swing arm and the support from rotating;

and one end of the extension spring is connected with the support, the other end of the extension spring is connected with the swing arm, and the connection point of the extension spring and the swing arm is arranged between the swing arm and the hinge point of the support and the clamping groove.

According to the rail drilling machine provided by the utility model, the drilling machine body comprises:

a drill bit;

the transmission feeding mechanism is connected with the drill bit and used for providing horizontal displacement and rotating force for the drill bit;

the speed reducing mechanism is connected with the transmission feeding mechanism and is used for providing rotating force for the transmission feeding mechanism;

the motor is connected with the speed reducing mechanism and is used for providing rotating force for the speed reducing mechanism;

the battery assembly is electrically connected with the motor and used for providing a power source for the motor;

the motor set up in the top of transmission feed mechanism, battery pack set up in the top of motor, just transmission feed mechanism motor with battery pack stacks gradually and sets up.

According to the rail drilling machine provided by the utility model, the transmission feeding mechanism comprises:

a base;

the feeding driving assembly penetrates through the machine base and is rotationally connected with the machine base, and feeding rod installation parts are arranged at two ends of the feeding driving assembly;

the feeding driven component is slidably arranged in a sliding cavity formed in the base, is connected with the feeding driving component and performs translational reciprocating motion under the rotation action of the feeding driving component.

The steel rail drilling machine provided by the utility model comprises:

the feed drive assembly includes:

the incomplete gear is rotationally connected with the machine seat through a rotating shaft;

the sleeves are respectively and fixedly arranged at two ends of the rotating shaft, and are internally provided with mounting grooves for mounting the feed rod;

the rack sleeve is slidably arranged in a sliding cavity formed in the base, and is meshed with the incomplete gear;

the spline shaft is rotatably arranged in the rack sleeve, and the spline shaft is used for arranging a drill bit at one end and connecting the other end with the output end of the speed reducing mechanism.

The steel rail drilling machine provided by the utility model further comprises: the control module is electrically connected with the motor and used for carrying out stepless speed regulation on the motor;

the control module includes:

a motor driver;

and the sliding rheostat is connected with the motor driver in series.

According to the steel rail drilling machine, the drilling machine body is arranged on the clamping mechanism through the arrangement of the drilling machine body, the clamping mechanism and the locking mechanism, the drilling machine body can slide on the clamping mechanism in the vertical direction, the locking mechanism is arranged between the clamping mechanism and the drilling machine body, so that the drilling machine body can slide in the vertical direction of the clamping mechanism and is locked at a target position through the locking mechanism, the height of a drill bit on the drilling machine body is adjusted, the position of the clamping mechanism relative to a steel rail is only required to be moved at a horizontal position, reaming and drilling can be carried out at any position on the steel rail, the problem that the position of the drill bit of the steel rail drilling machine cannot be adjusted in the prior art is effectively solved, and the purposes of adjustable drill bit position and accurate drilling position are achieved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the embodiments or the drawings needed in the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a steel rail drilling machine at a first view angle;

FIG. 2 is a schematic perspective view of a clamping mechanism according to the present utility model;

FIG. 3 is a schematic perspective view of a second clamping member provided by the present utility model;

FIG. 4 is a schematic diagram of a front view structure of a steel rail drilling machine provided by the utility model;

FIG. 5 is a schematic view of a vertical cross-section three-dimensional structure of a steel rail drilling machine provided by the utility model;

FIG. 6 is a schematic view of a vertical sectional plane structure of a motor, a transmission feeding mechanism and a speed reducing mechanism provided by the utility model;

FIG. 7 is a schematic diagram of a rear view structure of the rail drilling machine provided by the utility model;

fig. 8 is a schematic perspective view of a rail drilling machine according to the second aspect of the present utility model.

Reference numerals:

1. a drilling machine body; 11. a drill bit; 12. a transmission feeding mechanism; 121. a base; 122. an incomplete gear; 123. a rack sleeve; 124. a spline shaft; 125. a spline housing; 126. a sleeve; 127. a feed bar; 13. a speed reducing mechanism; 131. a gear set; 14. a motor; 15. a battery assembly; 16. a control module;

2. a clamping mechanism; 21. a first clamping member; 211. a support; 212. swing arms; 2121. a clamping groove; 213. a pinch roller; 214. clamping a force application rod; 2141. a clamping pin; 215. a tension spring; 22. a second clamping member; 221. a rail plate; 222. a track groove; 223. a connecting piece; 224. a clamping structure;

3. a locking mechanism; 301. a locking bolt;

4. a rail.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience in describing the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The technical solution of the present utility model is described below with reference to the embodiment shown in fig. 1:

the embodiment of the utility model provides a steel rail drilling machine, which comprises: the drilling machine comprises a drilling machine body 1, a clamping mechanism 2 and a locking mechanism 3, wherein the drilling machine body 1 is arranged on the clamping mechanism 2, the drilling machine body 1 can slide on the clamping mechanism 2 along the vertical direction, and the clamping mechanism 2 is used for clamping a steel rail 4; the locking mechanism 3 is arranged between the clamping mechanism 2 and the drilling machine body 1 and is used for restraining relative sliding between the clamping mechanism 2 and the drilling machine body 1.

In a specific application, the drilling machine body 1 may be of an ac electric type, an internal combustion engine type, a hydraulic type or a lithium electric type, and may be composed of a power source part, a reduction gearbox, a feeding system, a clamping system, cooling and other auxiliary components, and is preferably a lithium electric type drilling machine in this embodiment;

the clamping mechanism 2 can be an elastic clamping mechanism, a clamping jaw clamping type clamping mechanism or a spiral clamping mechanism; in this embodiment, a clamping jaw clamping mechanism is preferable, and is mainly used for clamping on the steel rail 4, so as to play a role in fixing the operation of the drilling machine body 1;

the drilling machine body 1 can do reciprocating motion in the vertical direction through a sliding rail or a sliding groove arranged on the clamping mechanism 2, and in the embodiment, the sliding groove is preferable and can be matched with the locking bolt 301 so as to restrict the sliding of the drilling machine body 1;

the locking mechanism 3 can be a locking bolt 301 which penetrates through the sliding groove and is in threaded connection with the drilling machine body 1, and the locking bolt 301 can be pressed and fastened with the clamping mechanism to restrain the sliding of the drilling machine body 1; the positioning pin can also be used for positioning, and a plurality of gear holes are formed in the clamping mechanism in the vertical direction, and the positioning pin is matched with the gear holes so as to adjust and position the height in the vertical direction.

According to the steel rail drilling machine provided by the utility model, through the arrangement of the drilling machine body 1, the clamping mechanism 2 and the locking mechanism 3, the drilling machine body 1 is arranged on the clamping mechanism 2, the drilling machine body 1 can slide on the clamping mechanism 2 along the vertical direction, the locking mechanism 3 is arranged between the clamping mechanism 2 and the drilling machine body 1, so that the drilling machine body 1 can slide on the vertical direction of the clamping mechanism and is locked at a target position through the locking mechanism 3, the height of the drill bit 11 on the drilling machine body 1 is regulated, and the position of the clamping mechanism relative to the steel rail 4 is only required to be moved at a horizontal position, so that reaming and drilling can be carried out at any position on the steel rail 4, the problem that the position of the drill bit 11 of the steel rail 4 cannot be regulated in the prior art is effectively solved, and the purposes of regulating the position of the drill bit 11 and accurate drilling position are achieved.

According to the rail drilling machine provided by the embodiment of the utility model, as shown in fig. 2, the clamping mechanism 2 comprises: a first clamping member 21 and a second clamping member 22, wherein the drill body 1 is fixedly mounted on the first clamping member 21 for acting on one side of the rail 4; the drill body 1 is slidably connected to a second clamping member 22 for acting on the other side of the rail 4.

In a specific application, the first clamping member 21 may be a clamping plate, a clamping jaw, a clamping block or the like, which can be pressed against one side of the rail 4; the second clamping member 22 may also be a clamping plate, a clamping jaw, a clamping block or the like, which can be pressed against the other side face of the rail 4; so long as the clamping and fixing of the steel rail 4 can be realized.

In fig. 2, the first clamping member 21 is exemplified as a clamping jaw, the clamping jaw is composed of a support 211, a swing arm 212, a clamping wheel 213, a clamping force application rod 214 and a tension spring 215, and the second clamping member 22 is a clamping plate arranged in parallel and forms a clamping seat, and is clamped on the other side surface of the steel rail 4.

According to the rail drilling machine provided by the embodiment of the utility model, as shown in fig. 3, the second clamping piece 22 comprises: the device comprises a rail plate 221 and connecting pieces 223, wherein at least two rail plates 221 are arranged, and rail grooves 222 are formed in the rail plate 221 along the vertical direction; the rail plates 221 are arranged in parallel and fixedly connected through connecting pieces 223; the end of the rail plate 221 away from the rail groove 222 is provided with a clamping structure 224, and the clamping structure 224 is used for being clamped to one side of the steel rail 4. The engaging structure 224 includes inclined surfaces adapted to the inclination of the side surface of the rail 4 formed on both the upper and lower end surfaces of the rail plate 221.

In a specific application, the rail plate 221 may be a steel plate or cast iron plate, etc.; the connection member 223 may be a connection rod, a connection bolt, or the like; the rail plates 221 may be disposed in parallel, so long as a supporting unit can be formed, two steel rail plates 221 are disposed in parallel in fig. 3, and are fixed into a unit by two connecting rods disposed up and down, the rail plates 221 are provided with rail grooves 222 along the vertical direction, and the width and the height of each rail groove 222 are equal for being matched with the locking bolt 301, the locking bolt 301 is mounted on the drill body 1 in a threaded manner, and the drill body 1 can be fixed by pressing the edges of the locking bolt 301 and the rail grooves 222. At the end remote from the track groove 222, a snap-in structure 224 is provided, the snap-in structure 224 being adapted to snap-in to one side of the rail 4. The engaging structure 224 may be a clamping groove, a claw, etc., and in this embodiment is preferably an inclined surface that is attached to the inner side of the rail 4, so as to prevent the whole device from falling down, and at the same time, to support the drilling machine body 1. The inclined clamping structure 224 is simple in design, and can simultaneously support and fix the drilling machine body 1 by utilizing the shape of the steel rail 4.

According to the rail drilling machine provided by the embodiment of the utility model, as shown in fig. 4, the locking mechanism 3 comprises: the locking bolt 301 penetrates the track groove 222 and is in threaded connection with the drill body 1.

In a specific application, the locking mechanism 3 may be a locking bolt 301, which penetrates through the chute and is in threaded connection with the drill body 1, and the locking bolt 301 is pressed and fastened with the clamping mechanism, so that the locking mechanism can play a role in restraining the sliding of the drill body 1; the positioning pin can also be used for positioning, and a plurality of gear holes are formed in the clamping mechanism in the vertical direction, and the positioning pin is matched with the gear holes so as to adjust and position the height in the vertical direction. In this embodiment, the locking mechanism 3 is preferably a locking bolt 301, which can realize the gear-free height adjustment of the drilling machine body 1 in the vertical direction, that is, can drill or ream at any height of the steel rail 4 as required, and has obvious advantages compared with gear adjustment, and has simple structure and convenient operation.

According to the rail drilling machine provided by the embodiment of the utility model, as shown in fig. 2 and 4, the first clamping piece 21 comprises: the drilling machine comprises a support 211, a swing arm 212, a clamping wheel 213 and a clamping force application rod 214, wherein the support 211 is fixedly connected with the drilling machine body 1; swing arm 212 is hinged with support 211, and one end of swing arm 212 is provided with clamping groove 2121; the clamping wheel 213 is rotatably installed at one end of the swing arm 212 away from the clamping groove 2121 and is used for contacting with the steel rail 4; the clamping force application rod 214 is hinged with the support 211, a clamping pin 2141 is fixedly arranged on the clamping force application rod 214, and the clamping pin 2141 can be clamped with the clamping groove 2121 for restraining the swing arm 212 and the support 211 from rotating; one end of the extension spring 215 is connected with the support 211, the other end of the extension spring 215 is connected with the swing arm 212, and a connection point of the extension spring 215 and the swing arm 212 is arranged between a hinge point of the swing arm 212 and the support 211 and the clamping groove 2121.

In a specific application, the support 211 is transversely and fixedly installed on the side surface of the drilling machine body 1, and extends outwards to form two support frames, two swing arms 212 which are arranged in parallel are hinged between the support frames, the hinge points of the two swing arms are positioned at the middle section of the swing arms 212, clamping wheels 213 are rotatably installed at the lower ends of the swing arms 212, clamping grooves 2121 are formed in the upper ends of the swing arms 212, and the edges of the clamping grooves 2121 are all arc-shaped, so that clamping pins 2141 on the clamping force application rods 214 slide in conveniently, and a clamping and fixing effect is formed; in the state that the clamping mechanism 2 is integrally clamped, the clamping wheel 213 is finally pressed against the side surface of the steel rail 4, so that the clamping wheel is designed into a wheel shape, and when the clamping wheel is matched with the drilling machine body 1 to slide on the rail plate 221 in the vertical direction, the swing arm 212 also slides up and down along with the drilling machine body 1, so that the friction force between the swing arm 212 and the steel rail 4 is reduced; a clamping force applying rod 214 is further hinged between the two support frames, a clamping pin 2141 is further fixedly connected to the clamping force applying rod 214 in a protruding mode, when the clamping pin 2141 slides into the clamping groove 2121 from the arc surface of the upper end of the swing arm 212, the swing arm 212 and the clamping force applying rod 214 are relatively fixed, so that the position of a lower end clamping wheel 213 of the swing arm 212 is also fixed, and the clamping wheel 213 is pressed against the side face of the steel rail 4; an extension spring 215 is further arranged between the support 211 and the swing arm 212, one end of the extension spring 215 is connected with the support 211, the other end of the extension spring 215 is connected with any one point in the upper half section of the swing arm 212, namely, the contact is arranged between the hinge point of the swing arm 212 and the support 211 and the clamping groove 2121, so that the upper half section of the swing arm 212 can be ensured to always rotate towards one side of the support 211, and the upper half section can be stably clamped with the clamping force application rod 214. By the structural design of the clamping groove 2121 and the clamping pin 2141, the clamping mechanism can be rapidly clamped and unlocked.

According to the rail drilling machine provided by the embodiment of the utility model, as shown in fig. 5, a drilling machine body 1 comprises: a drill bit 11, a transmission feeding mechanism 12, a speed reducing mechanism 13, a motor 14 and a battery assembly 15, wherein the transmission feeding mechanism 12 is connected with the drill bit 11 for providing horizontal displacement and rotational force to the drill bit 11; the speed reducing mechanism 13 is connected with the transmission feeding mechanism 12 and is used for providing rotating force for the transmission feeding mechanism 12; the motor 14 is connected with the speed reducing mechanism 13 and is used for providing rotating force for the speed reducing mechanism 13; the battery assembly 15 is electrically connected with the motor 14 and is used for providing a power source for the motor 14; the motor 14 is disposed above the transmission feeding mechanism 12, the battery assembly 15 is disposed above the motor 14, and the transmission feeding mechanism 12, the motor 14 and the battery assembly 15 are stacked in sequence.

In specific applications, the drill bit 11 can be of various types, and the drill bit 11 can be detachably connected with the transmission feeding mechanism 12 according to specific flexible selection according to actual requirements; the transmission part in the transmission feeding mechanism 12 can be used for transmitting the rotating force by engaging the spline shaft 124 in the spline housing 125, wherein the spline housing 125 is provided with an external gear which is the final output gear of the speed reducing mechanism 13, and the drill bit 11 is detachably connected to the spline shaft 124, and the spline shaft 124 can slide in the spline housing 125 and can ensure the rotating force through the arrangement of the feeding part; the feeding portion may be the engagement of the rack housing 123 with the incomplete gear 122, and by rotatably mounting the spline shaft 124 in the rack housing 123, the rack housing 123 can be moved forward and backward while driving the spline shaft 124 to move forward and backward by the rotation of the incomplete gear 122. The speed reducing mechanism 13 may be a multi-stage gear engaged and forms a gear set 131, thereby reducing the rotational speed output by the motor 14 and amplifying the output torque of the motor 14. Which may be vertically aligned, the final output of the gear set 131, i.e., the spline housing 125, is meshed with the spline shaft 124, and the input of the gear set 131 is meshed with the output teeth of the motor 14; the motor 14 is disposed above the transmission feeding mechanism 12, the battery assembly 15 is disposed above the motor 14, and the transmission feeding mechanism 12, the motor 14 and the battery assembly 15 are stacked in sequence from bottom to top. By the arrangement, the drilling machine body 1 can be compact in structure, and compared with the prior art that the motor 14 is arranged on the opposite side of the transmission feeding mechanism 12, the drilling machine has better space advantage and can be suitable for drilling in places with narrow space.

According to the rail drilling machine provided by the embodiment of the utility model, as shown in fig. 5 to 8, the transmission feeding mechanism 12 comprises: the feeding device comprises a base 121, a feeding driving assembly and a feeding driven assembly, wherein the feeding driving assembly penetrates through the base 121 and is rotationally connected with the base 121, and feeding rod installation parts are arranged at two ends of the feeding driving assembly; the feeding driven component is slidably mounted in a sliding cavity formed in the base 121 and is connected with the feeding driving component, and the feeding driven component performs translational reciprocating motion under the rotation action of the feeding driving component.

The feed drive assembly includes: the device comprises an incomplete gear 122, a sleeve 126, a rack sleeve 123, a spline shaft 124 and a spline sleeve 125, wherein the incomplete gear 122 is rotationally connected with a base 121 through a rotating shaft; the sleeve 126 is fixedly installed at two ends of the rotating shaft respectively, and a mounting groove is formed in the sleeve 126 and is used for mounting the feed rod 127; the rack sleeve 123 is slidably mounted in a sliding cavity formed in the base 121, and the rack sleeve 123 is meshed with the incomplete gear 122; the spline shaft 124 is rotatably installed in the rack sleeve 123, and the spline shaft 124 is used for installing the drill bit 11 at one end and connecting the other end with the spline sleeve 125; the spline housing 125 is rotatably mounted on the base 121, and is sleeved on the spline shaft 124 and is clamped with the spline shaft 124, and the spline housing 125 is a final output end of the speed reducing mechanism 13.

In a specific application, the incomplete gear 122 is rotatably installed in the base 121 through a rotating shaft, a part of teeth are arranged at the lower end of the incomplete gear 122 and meshed with racks arranged on the outer surface of the rack sleeve 123, and when the incomplete gear 122 rotates in the forward and reverse directions, the rack sleeve 123 can do translational reciprocating motion, so that the incomplete gear 122 is used, because a certain limit is required to the translational stroke of the rack sleeve 123, the spline shaft 124 is not extended too far so as not to be out of meshing with the spline sleeve 125; the rack sleeve 123 is slidably mounted in a sliding cavity formed in the base 121; the spline shaft 124 is rotatably installed in the rack sleeve 123, and the spline shaft 124 is used for installing the drill bit 11 at one end and connecting the other end with the spline sleeve 125; the spline housing 125 is rotatably mounted on the base 121, and is sleeved on the spline shaft 124 and is clamped with the spline shaft 124, and the spline housing 125 is a final output end of the speed reducing mechanism 13.

The sleeve 126 is fixedly installed at two ends of the rotating shaft of the incomplete gear 122, and a mounting groove is formed in the sleeve 126 and is used for mounting the feeding rod 127, so that the structure of the connecting end of the feeding rod 127 is consistent with the groove shape of the mounting groove, including but not limited to cuboid groove shape, square groove shape, cross groove shape or regular triangular prism groove shape; the sleeves 126 are arranged on the two sides of the machine base 121, so that the feed rod 127 can be installed on the two sides of the machine base 121, and the problem that the feed rod 127 can be installed on one side of the drilling machine body 1 only under the condition of space obstruction is effectively solved.

According to the rail drilling machine provided by the embodiment of the utility model, as shown in figure 8,

further comprises: the control module 16 is electrically connected with the motor 14 and is used for carrying out stepless speed regulation on the motor 14; the control module 16 includes: the motor driver and the slide rheostat are connected in series with the motor driver.

In a specific application, the motor driver is electrically connected with the motor 14 for controlling the start and stop and the rotation speed of the motor 14, when the motor driver is connected with the slide rheostat in series, the motor driver and the slide rheostat can be divided, when the resistance value of the slide rheostat is linearly increased, the voltages at the two ends of the slide rheostat are linearly increased, so that the voltages at the two ends of the motor driver are linearly reduced, the stepless reduction of the rotation speed of the motor 14 is achieved, otherwise, the stepless increase of the rotation speed of the motor 14 is achieved, and the purpose of stepless adjustment of the rotation speed of the drill bit 11 is further achieved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. A rail drilling machine, comprising:

a drilling machine body (1);

the drilling machine comprises a clamping mechanism (2), wherein the drilling machine body (1) is arranged on the clamping mechanism (2), the drilling machine body (1) can slide on the clamping mechanism (2) along the vertical direction, and the clamping mechanism (2) is used for clamping a steel rail (4);

the locking mechanism (3) is arranged between the clamping mechanism (2) and the drilling machine body (1) and used for restraining relative sliding between the clamping mechanism (2) and the drilling machine body (1).

2. Rail drilling machine according to claim 1, characterized in that the clamping mechanism (2) comprises:

the drilling machine comprises a first clamping piece (21), wherein the drilling machine body (1) is fixedly arranged on the first clamping piece (21) and is used for acting on one side surface of a steel rail (4);

and the drilling machine body (1) is connected to the second clamping piece (22) in a sliding manner and is used for acting on the other side surface of the steel rail (4).

3. Rail drilling machine according to claim 2, characterized in that: the second clamping member (22) includes:

the rail plates (221) are at least two, and the rail plates (221) are provided with rail grooves (222) along the vertical direction;

the rail plates (221) are arranged in parallel and fixedly connected through the connecting pieces (223);

one end of the rail plate (221) far away from the rail groove (222) is provided with a clamping structure (224), and the clamping structure (224) is used for being clamped to one side of the steel rail (4).

4. A rail drilling machine according to claim 3, characterized in that the snap-in structure (224) comprises inclined surfaces adapted to the inclination of the sides of the rail (4) both at the upper and lower end surfaces of the rail plate (221).

5. A rail drilling machine according to claim 3, characterized in that the locking mechanism (3) comprises: and the locking bolt (301) penetrates through the track groove (222) and is in threaded connection with the drilling machine body (1).

6. Rail drilling machine according to claim 2, characterized in that: the first clamping member (21) includes:

the support (211) is fixedly connected with the drilling machine body (1);

the swing arm (212) is hinged with the support (211), and a clamping groove (2121) is formed in one end of the swing arm (212);

the clamping wheel (213) is rotatably arranged at one end of the swing arm (212) far away from the clamping groove (2121) and is used for being contacted with the steel rail (4);

the clamping force application rod (214) is hinged with the support (211), a clamping pin (2141) is fixedly arranged on the clamping force application rod (214), and the clamping pin (2141) can be clamped with the clamping groove (2121) for restraining the swing arm (212) from rotating with the support (211);

and one end of the extension spring (215) is connected with the support (211), the other end of the extension spring (215) is connected with the swing arm (212), and a connection point of the extension spring (215) and the swing arm (212) is arranged between a hinge point of the swing arm (212) and the support (211) and the clamping groove (2121).

7. Rail drilling machine according to claim 1, characterized in that the drilling machine body (1) comprises:

a drill (11);

a transmission feeding mechanism (12) connected with the drill bit (11) and used for providing horizontal displacement and rotating force for the drill bit (11);

a speed reducing mechanism (13) connected with the transmission feeding mechanism and used for providing rotating force for the transmission feeding mechanism (12);

a motor (14) connected to the speed reducing mechanism (13) for providing a rotational force to the speed reducing mechanism (13);

a battery assembly (15) electrically connected to the motor (14) for providing a power source for the motor (14);

the motor (14) is arranged above the transmission feeding mechanism (12), the battery assembly (15) is arranged above the motor (14), and the transmission feeding mechanism (12), the motor (14) and the battery assembly (15) are sequentially stacked.

8. Rail drilling machine according to claim 7, characterized in that the transmission feed mechanism (12) comprises:

a base (121);

the feeding driving assembly penetrates through the base (121) and is rotationally connected with the base (121), and feeding rod installation parts are arranged at two ends of the feeding driving assembly;

the feeding driven component is slidably arranged in a sliding cavity formed in the base (121) and is connected with the feeding driving component, and the feeding driven component performs translational reciprocating motion under the rotation action of the feeding driving component.

9. The rail drilling machine of claim 8, wherein:

the feed drive assembly includes:

an incomplete gear (122) rotatably connected with the machine base (121) through a rotation shaft;

the sleeves (126) are respectively and fixedly arranged at two ends of the rotating shaft, mounting grooves are formed in the sleeves (126), and the mounting grooves are used for mounting the feeding rods (127);

the rack sleeve (123) is slidably arranged in a sliding cavity formed in the base (121), and the rack sleeve (123) is meshed with the incomplete gear (122);

the spline shaft (124) is rotatably arranged in the rack sleeve (123), and the spline shaft (124) is used for arranging a drill bit (11) at one end and connecting the other end with the output end of the speed reducing mechanism (13).

10. The rail drilling machine of claim 7, further comprising: the control module (16) is electrically connected with the motor (14) and is used for carrying out stepless speed regulation on the motor (14);

the control module (16) comprises:

a motor driver;

and the sliding rheostat is connected with the motor driver in series.

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