阅读说明：本技术 齿轨导入装置和齿轨轨道 (Rack guide-in device and rack rail ) 是由 刘飞香 周文 罗建利 刘斌 何志新 陈兵生 戴广锋 葛振斌 刘超 于 2020-04-22 设计创作，主要内容包括：本发明提供了一种齿轨导入装置和齿轨轨道。其中,齿轨导入装置包括导入齿条,对应设于齿轨齿条沿长度方向的一端；连接组件,与导入齿条相连接,可使导入齿条在竖直平面内的第一位置至第二位置之间绕靠近齿轨齿条的一端进行转动,连接组件包括竖直设置的弹性件,在齿轨车辆的齿轮的齿顶与导入齿条的齿顶相接触时,导入齿条在齿轮和连接组件的作用下,由第一位置向下转动至第二位置,使齿轨车辆的车轮与钢轨之间产生相对滑动,实现齿轮与导入齿条之间的啮合,且在齿轮与导入齿条分离后,导入齿条在弹性件的作用下复位至第一位置。通过本发明的技术方案,可防止齿轨车辆的齿轮与导入齿条之间发生顶齿现象,减少齿轮以及导入齿条受损的可能性。(The invention provides a rack guide-in device and a rack rail. The rack guide device comprises a guide rack which is correspondingly arranged at one end of the rack along the length direction; the connecting assembly is connected with the guide-in rack and can enable the guide-in rack to rotate around one end close to the rack of the rack in a vertical plane between a first position and a second position, the connecting assembly comprises an elastic piece which is vertically arranged, when the tooth top of the gear of the rack vehicle is contacted with the tooth top of the guide-in rack, the guide-in rack rotates downwards from the first position to the second position under the action of the gear and the connecting assembly, so that the wheel of the rack vehicle and the steel rail slide relatively, meshing between the gear and the guide-in rack is realized, and after the gear is separated from the guide-in rack, the guide-in rack resets to the first position under the action of the elastic piece. According to the technical scheme, the gear jacking phenomenon between the gear and the lead-in rack of the rack-and-pinion vehicle can be prevented, and the possibility of damaging the gear and the lead-in rack is reduced.)

1. A rack guide-in device for a rack rail, the rack rail comprising two rails and a rack disposed between the two rails, the rack guide-in device comprising:

the guide-in rack is correspondingly arranged at one end of the rack rail rack along the length direction;

the connecting assembly is connected with the guide-in rack and can enable the guide-in rack to rotate around one end close to the rack rail rack between a first position and a second position in a vertical plane, the connecting assembly comprises an elastic piece which is vertically arranged,

when the tooth tops of the teeth of the gear rack vehicle are in contact with the tooth tops of the guide-in racks, the guide-in racks rotate downwards from the first position to the second position under the action of the gear and the connecting assembly, so that relative sliding is generated between wheels of the gear rack vehicle and the steel rail, meshing between the gear and the guide-in racks is achieved, and after the gear is separated from the guide-in racks, the guide-in racks are reset to the first position under the action of the elastic piece.

2. The rack guide apparatus according to claim 1, wherein the connecting assembly comprises:

the connecting piece is arranged at one end of the guide-in rack close to the rack of the rack rail and is rotatably connected with the guide-in rack rail;

the reset piece is arranged below the guide-in rack, the reset piece is connected with the guide-in rack, and the reset piece comprises the elastic piece.

3. The rack rail lead-in device according to claim 2, wherein the rack rail comprises a plurality of sleepers spaced below the rails, and the reset member comprises:

the supporting base is arranged between two adjacent sleepers, and the top surface of the supporting base is provided with a positioning hole;

the spring seat is arranged above the supporting base and comprises a supporting plate and a positioning shaft, the positioning shaft is connected to the bottom of the supporting plate, and the positioning shaft extends towards the supporting base and penetrates through a positioning hole in the supporting base;

the elastic piece is a compression spring and is sleeved outside the positioning shaft, and two ends of the compression spring are respectively abutted against the supporting plate and the supporting base;

the bottom of the first bending plate is fixedly connected with the supporting plate of the spring seat, at least one first pin hole is formed in one end, far away from the supporting plate, of the first bending plate, the two first bending plates are symmetrically arranged along the width direction of the guide-in rack,

the guide-in rack is provided with first through holes corresponding to the first pin holes, and is connected with the two first bending plates through first pin shafts.

4. The rack guide apparatus according to claim 3,

the supporting base is of a groove-shaped structure, an opening is formed in the bottom of the groove-shaped structure, flanges bent towards the direction away from the opening are formed in the bottoms of the two side plates of the groove-shaped structure,

the positioning hole is a waist-shaped hole extending along the length direction of the guide-in rack.

5. The rack guide-in device of claim 3, wherein the connection assembly further comprises:

the limiting piece is arranged at one end, far away from the rack rail and the rack, of the leading-in rack, at least part of the limiting piece is positioned above the leading-in rack rail, two ends of the limiting piece are fixedly connected to sleepers on two sides of the leading-in rack rail, a frame-shaped structure is formed between the limiting piece and the sleepers,

the guiding rack is corresponding to the first position when abutting against a top plate of the limiting part, and the guiding rack is corresponding to the second position when abutting against the sleeper.

6. The rack guide apparatus of claim 5, wherein the guide rack further comprises:

the limiting part is formed at one end, away from the rack rail and the rack, of the guide-in rack, the limiting part and the limiting part are arranged correspondingly, and the top surface of the limiting part is a plane.

7. The rack guide-in device according to claim 3, characterized in that the connecting member comprises in particular:

the bottom of the second bending plate is fixedly connected with the sleeper, a second pin hole is formed in one end, away from the sleeper, of the second bending plate, the two second bending plates are symmetrically arranged along the width direction of the guide-in rack,

the leading-in rack is provided with a second through hole corresponding to the second pin hole, and the leading-in rack is rotatably connected with the two second bending plates through a second pin shaft.

8. The rack guide apparatus according to claim 7,

the edge line of one end, close to the rack, of the guide-in rack is an arc line, and the circle where the arc line is located and the second through hole are concentric circles.

9. The rack guide apparatus according to claim 1,

starting from one end of the leading-in rack far away from the rack rail rack, the tooth height of at least part of the leading-in rack is gradually increased along the length direction of the leading-in rack.

10. A rack rail track, comprising:

the two steel rails are arranged in parallel;

the rack is arranged between the two steel rails, the rack is arranged in parallel with the steel rails, and the length of the rack is smaller than that of the steel rails;

the sleepers are arranged at intervals along the length direction of the rack rail, each sleeper extends along the width direction of the rack rail, and the steel rail and the rack rail are arranged on the sleepers;

a rack guide device according to any one of claims 1 to 9, provided at least one end of the rack in the longitudinal direction.

Technical Field

The invention relates to the technical field of rails, in particular to a rack guide-in device and a rack rail.

Background

At present, a rack rail is often used in rail transit modes such as mountain tourism lines, mine track lines, wherein, a rack rail that commonly uses adopts to set up rack structure on the track to mesh with the gear of rail vehicle bottom mutually, in order to increase rail vehicle's climbing ability, overcome the not enough problem of adhesive force between rail vehicle's steel wheel and the rail. However, when the rail vehicle starts to contact with the rack, the gear and the rack are not easy to be accurately meshed, so that the gear and the rack are easy to be subjected to tooth jacking, and the gear or the rack can be damaged to influence mutual meshing in serious cases. The prior art provides a mining rack guide-in device, when a tooth jacking phenomenon occurs, a connecting rod rotating arm mechanism enables a rack to avoid, and pin teeth and the rack are gradually meshed.

Disclosure of Invention

The present invention is directed to improving at least one of the technical problems of the prior art or the related art.

To this end, an object of the present invention is to provide a rack introducing device.

It is another object of the present invention to provide a rack rail.

In order to achieve the above object, according to a first aspect of the present invention, there is provided a rack guide device for a rack rail including two rails and a rack bar provided between the two rails, the rack guide device including: the guide-in rack is correspondingly arranged at one end of the rack rail rack along the length direction; the connecting assembly is connected with the guide-in rack and can enable the guide-in rack to rotate around one end close to the rack of the rack in a vertical plane between a first position and a second position, the connecting assembly comprises an elastic piece which is vertically arranged, when the tooth top of the gear of the rack vehicle is contacted with the tooth top of the guide-in rack, the guide-in rack rotates downwards from the first position to the second position under the action of the gear and the connecting assembly, so that relative sliding is generated between the wheel of the rack vehicle and the steel rail, meshing between the gear and the guide-in rack is realized, and after the gear is separated from the guide-in rack, the guide-in rack is reset to the first position under the action of the elastic piece.

According to the technical scheme of the first aspect of the invention, the rack guide-in device is used for a rack rail, the rack rail comprises two smooth rails and a rack arranged on two steel rail brackets, and the rack guide-in device comprises a guide-in rack and a connecting assembly. The guide-in rack is correspondingly arranged at one end of the rack rail rack along the length direction and is in butt joint with the rack rail rack, so that before the rack rail vehicle enters the rack rail, the gear of the rack rail vehicle is meshed with the guide-in rack through the rack rail guide-in device, the gear is accurately meshed with the rack rail rack when the rack rail vehicle enters the rack rail, and the adhesive force of the rack rail vehicle and the rack rail support is increased. The connecting assembly connected with the guide-in rack is arranged, so that the guide-in rack is fixed relative to the track rack, and the guide-in rack can rotate around one end close to the rack of the rack rail between the first position and the second position in the vertical plane through the connecting assembly. When the tooth tops of the teeth of the rack vehicle are in contact with the tooth tops of the guide-in racks, namely the teeth of the gears and the guide-in racks are in tooth top phenomenon, the guide-in racks rotate downwards from the first position to the second position under the action of the gears and the connecting assembly, and meanwhile, attack force is applied to the rack vehicle, so that the wheels of the rack vehicle slide relative to the steel rail, the gears and the guide-in racks are driven to move relative to each other, and the gears and the guide-in racks are meshed. After the rack-rail vehicle enters the rack-rail track, the gear is meshed with the rack-rail rack and is separated from the lead-in rack, and at the moment, the lead-in rack is reset under the action of the elastic piece and returns to the first position. Rack gatherer in this scheme, the gear and the accurate meshing of rack of the leading-in rack guide rack vehicle of accessible, make the rack track can effectively increase and the adhesive force between the rack vehicle, and when gear and leading-in rack do not accurately mesh, the rigid impact who leads to the rack and receive is alleviated in relative rotation through leading-in rack acts on, reduce the emergence of apical tooth phenomenon, can effectively prevent the wearing and tearing of leading-in rack and damage even, be favorable to increase of service life, reduce the maintenance cost. In addition, the structure and the relation of connection of rack gatherer in this scheme are simple, and stability is higher, and the elastic component through vertical setting realizes the automatic re-setting of leading-in rack, and the activity is comparatively smooth and easy, and need not the manual work and operate, facilitates the use.

It should be emphasized that the tooth form of the leading-in rack in the scheme corresponds to the rack rail rack, and the tooth form can be straight tooth or oblique tooth, and the technical effect in the scheme can be realized.

It should be noted that, the rack rail may further have a rack guide-in device in this scheme respectively disposed at two ends of the rack rail, so that the ascending vehicle and the descending vehicle can smoothly mesh with the rack rail through the rack guide-in device.

In addition, the rack guide device in the above technical solution provided by the present invention may further have the following additional technical features:

in the above technical scheme, the coupling assembling includes: the connecting piece is arranged at one end of the leading-in rack close to the rack of the rack rail and is rotatably connected with the leading-in rack rail; the piece that resets is located leading-in rack below, and the piece that resets is connected with leading-in rack, and the piece that resets includes the elastic component.

In this technical scheme, coupling assembling includes connecting piece and reset piece. Through setting up the connecting piece at leading-in rack near the one end of rack rail rack, and connecting piece and leading-in rack rail rotatable coupling for leading-in rack is whole can be gone on by first position rotation to second position in vertical plane around the one end that is close to the rack rail rack, and when the gear of rack rail vehicle took place the apical tooth phenomenon with leading-in rack rail, can alleviate the gear and to the rigid impact of leading-in rack. Through set up the piece that resets that is connected with leading-in rack below leading-in rack, and reset the piece and include the elastic component of vertical setting to after gear and leading-in rack separation, through the elastic action of elastic component, make leading-in rack rotate to first position by the second position, realize resetting.

In above-mentioned technical scheme, the cogged rail track includes a plurality of sleepers, and the interval sets up in the below of rail, and the piece that resets specifically includes: the supporting base is arranged between two adjacent sleepers, and the top surface of the supporting base is provided with a positioning hole; the spring seat is arranged above the supporting base and comprises a supporting plate and a positioning shaft, the positioning shaft is connected to the bottom of the supporting plate, and the positioning shaft extends towards the supporting base and penetrates through a positioning hole in the supporting base; the elastic piece is a compression spring which is sleeved outside the positioning shaft, and two ends of the compression spring are respectively abutted against the supporting plate and the supporting base; the bottom of the first bending plate is fixedly connected with the supporting plate of the spring seat, one end, away from the supporting plate, of the first bending plate is provided with at least one first pin hole, the two first bending plates are symmetrically arranged along the width direction of the guide-in rack, a first through hole is correspondingly formed in the guide-in rack and the first pin hole, and the guide-in rack is connected with the two first bending plates through a first pin shaft.

The spring seat is arranged above the supporting base and comprises a supporting plate and a positioning shaft, the positioning shaft is connected to the bottom of the supporting plate and extends towards the supporting base, the positioning shaft penetrates through the positioning hole in the supporting base to radially position the spring seat through the positioning hole, the elastic member is a compression spring, is sleeved outside the positioning shaft and abuts against the supporting plate and the supporting base of the spring seat through two ends of the compression spring, so that the compression spring is compressed when the supporting plate of the spring seat moves downwards, the two first bending plates are symmetrically arranged on two sides of the guide rack in the width direction and are used for being connected with the guide rack, the bottom of the first bending plate is fixedly connected with the supporting plate of the spring seat, one end of the first bending plate extends along the direction far away from the supporting plate, the first bending plate is driven by the first bending plate to move downwards, the first bending plate is driven by the first bending plate to be guided into a pin hole, and at least one second bending plate is driven by the first bending plate to be guided into the first bending plate through the first bending plate, and is guided into the spring seat through the first bending plate, and is guided into the first bending plate through hole, and is guided into the first bending plate, and is driven by the first bending plate, and the second bending plate, and the first bending plate is guided into the spring seat.

In the above technical scheme, the support base is of a groove-shaped structure, the bottom of the groove-shaped structure is provided with an opening, the bottoms of the two side plates of the groove-shaped structure are provided with flanges bent towards the direction away from the opening, and the positioning hole is a waist-shaped hole extending along the length direction of the guide-in rack.

In this technical scheme, support the base through setting up and be the cell type structure, and the bottom of cell type structure is equipped with the opening for the motion of location axle reserves the space, prevents to support the base and take place to interfere at vertical direction and location axle. The bottom of two curb plates through setting up the channel type structure is formed with the turn-ups of buckling to the direction of keeping away from the open-ended to in the fixed connection of support base, be favorable to improving the stability of supporting the base. Through setting up the waist type hole that the locating hole extends for the length direction along leading-in rack, for the activity space that the location axle provided radial direction to when the spring holder rotates downwards along with leading-in rack, prevent to support the base and take place to interfere at radial direction and location axle.

It can be understood that the guide-in continuously rotates downwards around one end close to the rack of the rack rail under the action of the gear, the spring seat moves downwards under the driving of the guide-in rack and the first bending plate, in the process, the positioning shaft has the possibility of radial displacement, particularly when the first bending plate is connected with the guide-in rack through a plurality of first pin shafts, the motion trail of the spring seat is the same as that of the guide-in rack, the positioning shaft rotates along with the guide-in rack, and the positioning shaft can generate radial displacement.

In the above technical solution, the connection assembly further includes: the limiting part is arranged at one end, far away from the rack of the rack rail, of the guide-in rack, at least part of the limiting part is located above the guide-in rack rail, two ends of the limiting part are fixedly connected to the sleepers on two sides of the guide-in rack rail, a frame-shaped structure is formed between the limiting part and the sleepers, the guide-in rack rail corresponds to a first position when abutting against a top plate of the limiting part, and the guide-in rack rail corresponds to a second position when abutting against the sleepers.

In this technical scheme, set up the locating part through keeping away from the one end of rack at leading-in rack to further carry on spacingly to leading-in rack. Specifically, at least part of the limiting part is located above the leading-in rack, two ends of the limiting part are fixedly connected to sleepers on two sides of the leading-in rack, so that the limiting part and the sleeper support are surrounded to form a frame-shaped structure, one end, far away from the rack of the rack, of the leading-in rack enters and exits into the frame-shaped structure, and the leading-in rack is limited through the frame-shaped structure. The position of the leading-in rack abutting against the top plate of the limiting part corresponds to a first position, the position of the leading-in rack abutting against the sleeper corresponds to a second position, so that the rotating range of the leading-in rack is limited between the first position and the second position, the situation that the end part of the leading-in rack is rotated upwards to be collided with wheels of a toothed rail vehicle is prevented, and meanwhile, the reset piece is prevented from being separated under the driving of the leading-in rack. It can be understood that when the upward rotation quantity of the guide-in rack is too large, the positioning shaft in the reset piece is possibly separated from the positioning hole under the driving of the guide-in rack, so that the support base is separated from the spring seat, and the reset piece loses the reset function.

In the above technical solution, the introducing rack further includes: the limiting part is formed at one end, far away from the rack, of the guide-in rack, the limiting part corresponds to the limiting part, and the top surface of the limiting part is a plane.

In the technical scheme, one end of the lead-in rack, which is far away from the rack, is provided with a limiting part, the limiting part and the limiting part are correspondingly arranged and penetrate into a frame-shaped structure formed by the limiting part and the sleeper, the top surface of the limiting part is a plane, so that the contact area is enlarged when the top surface of the limiting part is in contact with the top plate of the limiting part, the contact between the limiting part and the limiting part is relatively stable, and the reduction of vibration is facilitated. It can be understood that the top surface of the leading-in rack is provided with the tooth-shaped structure, if the tooth-shaped structure is contacted with the limiting piece, vibration is easily generated due to unbalanced stress, and accelerated wear is easily caused in the long-term use process.

In the above technical solution, the connecting member specifically includes: two second bending boards, the bottom and the sleeper fixed connection of second bending board, the one end that the sleeper was kept away from to the second bending board is equipped with the second pinhole, and two second bending boards set up along the width direction symmetry of leading-in rack, and wherein, be equipped with on the leading-in rack with the second through-hole that the second pinhole is corresponding, leading-in rack passes through second round pin axle and two second bending board rotatable coupling.

According to the technical scheme, the connecting piece comprises two second bending plates, the two second bending plates are symmetrically arranged along the width direction of the guide-in rack, a bottom plate is formed at the bottom of each second bending plate and fixedly connected with the sleeper, one end, far away from the sleeper, of each second bending plate extends along the height direction of the guide-in rack to form a side plate, second pin holes are formed in the side plates, and the second pin holes in the two second bending plates are coaxially arranged.

In the above technical scheme, an edge line of one end of the lead-in rack close to the rack of the rack is an arc line, and a circle where the arc line is located and the second through hole are concentric circles.

In the technical scheme, the edge line of one end, close to the rack and rack, of the guide-in rack is an arc line, the circle where the arc line is located and the second through hole are concentric circles, so that the distance from the second pin hole to any point on the edge line of one end, close to the rack and rack, of the guide-in rack is equal, and in the rotating process, the distance between the guide-in rack and the distance between the guide-in rack and a sleeper are kept unchanged, so that mode interference is prevented.

In the technical scheme, the tooth height of at least part of the lead-in rack is gradually increased along the length direction of the lead-in rack from one end of the lead-in rack far away from the rack rail rack.

In the technical scheme, the height of the teeth of at least part of the leading-in rack is gradually increased along the length direction of the leading-in rack by limiting the end, away from the rack, of the leading-in rack, so that an inclined plane is formed at least at part of the top end of the leading-in rack, when the gear and the leading-in rack of the rack vehicle generate a tooth jacking phenomenon, the leading-in rack rotates downwards, the inclination angle of the inclined plane is further increased, the reaction force of the inclined plane on the gear is increased, relative sliding between a steel wheel of the rack vehicle and a steel rail is facilitated, and the gear and the leading-in rack are driven to generate relative motion, so that the gear and the leading-in rack are meshed. After the gear is meshed with the guide rack, the rack rail vehicle returns to normal running.

In a second aspect of the present invention, there is provided a rack rail, including: the two steel rails are arranged in parallel; the rack rail rack is arranged between the two steel rails, the rack rail rack is arranged in parallel with the steel rails, and the length of the rack rail rack is smaller than that of the steel rails; the sleepers are arranged at intervals along the length direction of the rack rail, each sleeper extends along the width direction of the rack rail, and the steel rail and the rack are arranged on the sleepers; the rack guide device according to any one of the first aspect of the present invention is provided at least at one end of the rack in the longitudinal direction.

In this embodiment, the rack rail comprises two rails, a rack bar, a rack guide device according to any one of the first to fourth embodiments, and a plurality of sleepers. The two steel rails are arranged in parallel and are used for being matched with wheels on two sides of the rack rail vehicle, so that the rack rail vehicle can normally run. The rack parallel to the steel rails is arranged between the two steel rails and is used for being meshed with the gear of the rack vehicle, so that the adhesive force between the wheels and the steel rails is increased, and the rack vehicle can stably run in an area with a certain gradient. Through the length that sets up the rack and pinion is less than the length of rail, and the rack and pinion rack only sets up in the local section of whole section rail promptly, specifically, the rack and pinion rack only sets up in the region that the slope is greater than predetermineeing the slope, and in the region that the slope is less than predetermineeing the slope, the rack vehicle normally traveles through the cooperation of wheel with the rail support. A plurality of sleepers set up along the orbital length direction interval of cogged rail, and every sleeper extends along the orbital width direction of cogged rail to as the orbital installation base member of cogged rail, cogged rail rack all locate on the sleeper, so that connect and fix. Through at least one end setting in the rack along length direction as above-mentioned in the first aspect technical scheme rack gatherer to between rack vehicle and the contact of rack, make the leading-in rack in the rack gatherer mesh with the gear of rack vehicle mutually, guide gear to rack and mesh with the rack smoothly, in order to play the transition effect. Specifically, when the gear and the guide-in rack are not correctly meshed, the guide-in rack rotates downwards around one end close to the rack of the rack track and generates reaction force on the gear, so that relative sliding is generated between wheels of the rack track vehicle and a steel rail, the gear is meshed with the guide-in rack, the gear jacking phenomenon is prevented when the gear of the rack track vehicle is in contact with the rack of the rack track, the hard impact on the rack of the rack track can be effectively relieved, and the possibility of damage to the gear and the rack of the rack track is reduced. In addition, the rack rail in this scheme also has all the beneficial effects of the rack guide-in device of any one of the above-mentioned first aspect technical solutions, and is not described herein again.

Additional aspects and advantages of the invention 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 invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 illustrates a mounting schematic of a rack guide according to one embodiment of the present invention;

fig. 2 shows a schematic structural view of a reset element according to an embodiment of the present invention;

FIG. 3 shows a schematic structural view of a support base according to one embodiment of the present invention;

FIG. 4 illustrates a mounting schematic of a rack guide according to one embodiment of the present invention;

FIG. 5 shows a schematic structural view of a lead-in rack according to one embodiment of the present invention;

FIG. 6 shows a schematic structural view of a lead-in rack according to an embodiment of the present invention;

fig. 7 shows a schematic structural view of a rack rail according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the components in fig. 1 to 7 is as follows:

the steel rail bending device comprises a guide-in rack 1, a first through hole 11, a second through hole 12, a limiting part 13, a connecting assembly 2, a connecting assembly 21, a second bending plate 211, a second pin shaft 212, a resetting member 22, a supporting base 221, a positioning hole 2211, a spring seat 222, a supporting plate 2221, a positioning shaft 2222, a compression spring 223, a first bending plate 224, a first pin shaft 225, a limiting member 23, a 3 steel rail, a 4-tooth-track rack, a 5 sleeper, a 61 fixing bolt and a 62 fixing nut.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A rack introduction device and a rack rail according to some embodiments of the present invention will be described below with reference to fig. 1 to 7.