阅读说明：本技术 一种电缆架设装置 (Cable erecting device ) 是由 杨晓萌 焦涛涛 王猛猛 李洪 杨宝珠 刘辉 于 2021-07-08 设计创作，主要内容包括：本申请公开了一种电缆架设装置,涉及电缆架设领域,其包括工作台,工作台上固设有水平设置的固定轴,固定轴外侧转动套设有线辊,线辊外侧缠绕有线缆,线辊的内壁与固定轴的外壁之间留有间隙,工作台上固设有固定板,固定板上固设有拉簧,拉簧远离固定板的一端固设有拉紧框,拉紧框远离拉簧的一端插入于线缆靠近线辊的一侧,固定轴上滑移连接有销杆,固定轴上固设有用于驱动销杆移动的动力件,拉紧框上开设有与销杆相对应的销孔,销杆的一端插入于销孔中,限制拉紧框朝向拉簧移动；工作台上设置有控制器和位移传感器,位移传感器和动力件均与控制器电性连接。本申请具有减少了线缆缠绕打结的情况的效果。(The application discloses a cable erecting device, which relates to the field of cable erecting and comprises a workbench, wherein a horizontally arranged fixed shaft is fixedly arranged on the workbench, a wire roller is rotatably sleeved on the outer side of the fixed shaft, a cable is wound on the outer side of the wire roller, a gap is reserved between the inner wall of the wire roller and the outer wall of the fixed shaft, a fixed plate is fixedly arranged on the workbench, a tension spring is fixedly arranged on the fixed plate, a tensioning frame is fixedly arranged at one end, away from the fixed plate, of the tension spring, one end, away from the tension spring, of the tensioning frame is inserted into one side, close to the wire roller, of the cable, a pin rod is connected onto the fixed shaft in a sliding manner, a power part for driving the pin rod to move is fixedly arranged on the fixed shaft, a pin hole corresponding to the pin rod is formed in the tensioning frame, one end of the pin rod is inserted into the pin hole, and the tensioning frame is limited from moving towards the tension spring; be provided with controller and displacement sensor on the workstation, displacement sensor and power spare all with controller electric connection. This application has reduced the effect of the condition that the cable winding was knotted.)

1. The utility model provides a cable erection device, includes workstation (1), fixed axle (12) that the level that sets firmly on workstation (1), the cover is rotated in fixed axle (12) outside and is equipped with line roller (2), the winding in line roller (2) outside has cable (21), its characterized in that: a gap is reserved between the inner wall of the wire roller (2) and the outer wall of the fixed shaft (12), a fixed plate (13) is fixedly arranged on the workbench (1), a tension spring (3) is fixedly arranged on the fixed plate (13), a tensioning frame (4) is fixedly arranged at one end, far away from the fixed plate (13), of the tension spring (3), one end, far away from the tension spring (4), of the tensioning frame is inserted into one side, close to the wire roller (2), of the cable (21), a pin rod (52) is connected onto the fixed shaft (12) in a sliding mode, a power part used for driving the pin rod (52) to move is fixedly arranged on the fixed shaft (12), a pin hole (411) corresponding to the pin rod (52) is formed in the tensioning frame (4), one end of the pin rod (52) is inserted into the pin hole (411), and the tensioning frame (4) is limited to move towards the tension spring (3);

the automatic control device is characterized in that a controller and a displacement sensor are arranged on the workbench (1), and the displacement sensor and the power part are electrically connected with the controller.

2. A cable erection device according to claim 1, characterized in that: the tensioning frame (4) comprises a U-shaped frame (41) and a rotating roller (42) connected to the U-shaped frame (41) in a rotating mode, the axis direction of the rotating roller (42) is parallel to the axis direction of the rotating roller (42), and the outer wall of the rotating roller (42) abuts against the inner side of the cable (21) and the outer wall of the wire roller (2).

3. A cable erection device according to claim 1, characterized in that: the tension springs (3) are arranged along the radial direction of the line roller (2).

4. A cable erection device according to claim 1, characterized in that: annular (9) have been seted up respectively at the both ends of line roller (2), annular (9) and line roller (2) coaxial arrangement, slide on workstation (1) and be connected with gag lever post (54) with annular (9) one-to-one, the moving direction of gag lever post (54) is parallel with the axis direction of line roller (2), when line roller (2) and fixed axle (12) coaxial arrangement, the one end of gag lever post (54) inserts in annular (9), annular (9) can rotate around the axis of annular (9) for gag lever post (54), gag lever post (54) can move under the effect of external force and break away from to with annular (9).

5. A cable erection device according to claim 4, characterized in that: the axial direction of the pin rod (52) is parallel to the axial direction of the line roller (2), and the pin holes (411) and the pin rod (52) are symmetrically arranged at two ends of the fixed shaft (12) respectively.

6. A cable erection device according to claim 5, wherein: the both ends of fixed axle (12) are slided respectively along its axial and are connected with the connecting piece, are located pin rod (52) and gag lever post (54) of the same end of fixed axle (12) all set firmly in the connecting piece, the power part is used for the drive connection piece to remove, the degree of depth that pin rod (52) stretched into in pinhole (411) is the same with the degree of depth that gag lever post (54) stretched into in annular (9).

7. A cable erection device according to claim 1, characterized in that: the vertical plate (14) is fixedly arranged on the workbench (1), the vertical plate (14) is rotatably connected with a stabilizing sleeve (6), the axial direction of a rotating shaft between the stabilizing sleeve (6) and the vertical plate (14) is parallel to the axial direction of the fixed shaft (12), a limiting component used for limiting the rotation of the stabilizing sleeve (6) is arranged on the vertical plate (14), and the free end of the cable (21) slides and penetrates through the stabilizing sleeve (6).

8. A cable erection device according to claim 7, wherein: a tensioning roller (81) for tensioning the cable (21) is arranged between the vertical plate (14) and the wire roller (2).

9. A cable erection device according to claim 1, characterized in that: an electric push rod (10) for resetting the tensioning frame (4) is fixedly arranged on the fixed plate (13).

Technical Field

The invention relates to the field of cable erection, in particular to a cable erection device.

Background

In the construction of systems and projects such as electrical engineering, ventilation and heating systems, water supply and drainage systems, fire fighting systems and the like, cable erection devices are often used for cable erection and pavement.

In the related art, the cable erecting device generally includes a working frame, a fixed shaft fixed on the working frame, a cable roller rotatably sleeved on the outer side of the fixed shaft, and a cable wound on the outer side of the cable roller, wherein one end of the cable is fixed on the outer wall of the cable roller, and the other end of the cable is a free end thereof, and a constructor pulls the cable outward at a fixed position to drive the cable roller to rotate, so as to continuously release the cable outward.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: constructor continuously pulls the cable, and the line roller constantly rotates under the effect of external force, nevertheless stops the pulling back, and the line roller usually can continue outwards to rotate under inertial effect, and the line roller continues outwards to rotate under the effect of external force and easily causes the pine of cable to take off the winding, consequently, has certain improvement space.

Disclosure of Invention

In order to reduce the cable pine that the line roller rotated the cable that causes under inertial effect and takes off the condition of winding, this application provides a cable erection device.

The application provides a cable erection device adopts following technical scheme:

a cable erecting device comprises a workbench, wherein a horizontally arranged fixed shaft is fixedly arranged on the workbench, a wire roller is sleeved on the outer side of the fixed shaft in a rotating mode, a cable is wound on the outer side of the wire roller, a gap is reserved between the inner wall of the wire roller and the outer wall of the fixed shaft, a fixed plate is fixedly arranged on the workbench, a tension spring is fixedly arranged on the fixed plate, a tensioning frame is fixedly arranged at one end, away from the fixed plate, of the tension spring, one end, away from the tension spring, of the tensioning frame is inserted into one side, close to the wire roller, of the cable, a pin rod is connected onto the fixed shaft in a sliding mode, a power part used for driving the pin rod to move is fixedly arranged on the fixed shaft, a pin hole corresponding to the pin rod is formed in the tensioning frame, one end of the pin rod is inserted into the pin hole, and the tensioning frame is limited to move towards the tension spring;

the worktable is provided with a controller and a displacement sensor, and the displacement sensor and the power part are electrically connected with the controller.

By adopting the technical scheme, in the initial state, the pin rod is inserted into the pin hole to limit the movement of the tensioning frame, constructors continuously pull the cable, the wire roller continuously rotates under the action of external force, when the constructor stops pulling the cable, the displacement sensor stops changing, when the signal of the displacement sensor is not changed, the controller controls the electric cylinder to act to drive the connecting sleeve plate to move to the pin rod to be separated from the pin hole, the limit on the tensioning frame is released, the tensioning frame is in a movable state at the moment, the tensioning frame moves to one side far away from the wire roller under the action of the tension spring, one side of the cable drives the wire roller to move towards the tension spring under the action of the tensioning frame, the wire roller is pressed on the fixed shaft in an abutting mode to limit the continuous rotation of the wire roller, and the situation that the redundant cable is pulled out due to the loosening of the cable is reduced, thereby the condition that the cable winding was knoed has been reduced, has effectively guaranteed cable erection device's normal use.

Preferably, the tensioning frame comprises a U-shaped frame and a rotating roller which is rotatably connected to the U-shaped frame, the axial direction of the rotating roller is parallel to the axial direction of the rotating roller, and the outer wall of the rotating roller abuts against the inner side of the cable and the outer wall of the wire roller.

Through adopting above-mentioned technical scheme, the setting of live-rollers becomes rolling friction with the sliding friction between cable and the taut frame and between roller and the taut frame, has reduced the frictional force between cable and the taut frame and between roller and the taut frame, and the cable of being convenient for and line roller rotate under the effect of constructor pulling.

Preferably, the tension spring is disposed in a radial direction of the thread roller.

By adopting the technical scheme, the tension spring applies the maximum acting force to the cable, and the braking effect on the wire roller is improved.

Preferably, the annular has been seted up respectively at the both ends of line roller, the annular sets up with the line roller is coaxial, it is connected with the gag lever post with the annular one-to-one to slide on the workstation, the moving direction of gag lever post is parallel with the axis direction of line roller, when the line roller sets up with the fixed axle is coaxial, the one end of gag lever post is inserted in the annular, the annular can rotate around the axis of annular for the gag lever post, the gag lever post can move under the effect of external force to break away from with the annular.

Through adopting above-mentioned technical scheme, the cooperation of gag lever post and annular makes the line roller keep coaxial pivoted state for the fixed axle, makes and keeps the clearance between the inner wall of line roller and the outer wall of fixed axle, reduces the frictional force between line roller and the fixed axle, and the rotation of the line roller of being convenient for, and then the constructor pulling cable of being convenient for.

Preferably, the axis direction of the pin rod is parallel to the axis direction of the line roller, and two pin holes and two pin rods are symmetrically arranged at two ends of the fixed shaft respectively.

Preferably, the both ends of fixed axle are slided respectively along its axial and are connected with the connecting piece, are located the pin rod and the gag lever post of the same end of fixed axle all set firmly in the connecting piece, power spare is used for driving the connecting piece and removes, the degree of depth that the pin rod stretched into in the pinhole is the same with the degree of depth that the gag lever post stretched into in the annular.

Through adopting above-mentioned technical scheme, through the drive of power spare to the connecting piece, realized the drive to pin rod and gag lever post simultaneously, when the pin rod removed to break away from with the pinhole, the gag lever post removed to break away from with the annular, and taut frame and line roller all are in mobilizable state, have realized through single power supply that the energy saving accords with energy-concerving and environment-protective requirement to the simultaneous drive of many components.

Preferably, a vertical plate is fixedly arranged on the workbench, a stabilizing sleeve is rotatably connected to the vertical plate, the axial direction of a rotating shaft between the stabilizing sleeve and the vertical plate is parallel to the axial direction of the fixing shaft, a limiting component used for limiting the rotation of the stabilizing sleeve is arranged on the vertical plate, and the free end of the cable is slidably arranged in the stabilizing sleeve.

Through adopting above-mentioned technical scheme, the stable cover has played certain supporting role to the free end of cable, has increased the stability of cable free end, simultaneously, rotates the stable cover of connecting in the riser and is convenient for constructor to adjust the output angle of the free end of cable.

Preferably, a tensioning roller for tensioning the cable is arranged between the vertical plate and the wire roller.

Through adopting above-mentioned technical scheme, increased the tensioning degree of cable, further reduced the appearance of the condition that the cable pine takes off.

Preferably, an electric push rod for resetting the tensioning frame is fixedly arranged on the fixing plate.

Through adopting above-mentioned technical scheme, when constructor pulling the cable once more need with taut frame when reseing, adjustment electric putter makes electric putter's rod end butt in the lateral wall of U type frame towards the extension spring to make fixed frame remove to pinhole and pin pole alignment under electric putter's effect, realize taut frame's automatic re-setting, need not staff manual operation, reduced labour's waste.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the tensioning frame moves towards one side far away from the wire roller under the action of the tension spring, one side of the cable drives the wire roller to move towards the tension spring under the action of the tensioning frame, so that the wire roller is abutted and pressed on the fixed shaft, the continuous rotation of the wire roller is limited, the situation that the cable is loosened to pull out redundant cables is reduced, the situation that the cable is wound and knotted is reduced, and the normal use of the cable erection device is effectively ensured;

2. the sliding friction between the cable and the tensioning frame and between the roll shaft and the tensioning frame is changed into rolling friction by the rotating roller, so that the friction between the cable and the tensioning frame and between the roll shaft and the tensioning frame is reduced, and the cable and the wire roller can rotate under the pulling action of constructors conveniently.

Drawings

Fig. 1 is a schematic overall structure diagram showing an overall structure in the first embodiment.

FIG. 2 is a schematic partial cross-sectional view showing the relationship between the neutral roller and the fixed shaft according to one embodiment.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 4 is a schematic partial sectional view showing a connection structure between the stabilizing sleeve and the vertical plate and a structure of the position limiting assembly in the first embodiment.

Fig. 5 is a schematic view showing a partial structure of the stopper rod and the ring groove structure according to the second embodiment.

FIG. 6 is a schematic partial sectional view showing the relationship between the linear roller and the fixed shaft in the second embodiment.

Fig. 7 is a schematic side view showing a structure of an electric putter in the third embodiment.

Description of reference numerals:

1. a work table; 11. a support frame; 111. an electric cylinder; 12. a fixed shaft; 13. a fixing plate; 14. a vertical plate; 141. a through groove; 142. connecting the support lug; 2. a wire roller; 21. a cable; 22. flanging; 3. a tension spring; 31. a guide group; 311. a guide sleeve; 312. a guide bar; 4. tensioning the frame; 41. a U-shaped frame; 411. a pin hole; 42. a rotating roller; 5. connecting the sleeve plate; 51. an extension plate; 52. a pin rod; 53. an extension rod; 54. a limiting rod; 6. a stabilizing sleeve; 61. a rotating shaft; 7. a limit bolt; 8. a roller frame; 81. a tension roller; 9. a ring groove; 10. an electric push rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses cable erection device.

Example one

With reference to fig. 1 and 2, the wire roller comprises a workbench 1 placed on a horizontal working surface, a support frame 11 is fixed on the workbench 1, a horizontally arranged fixed shaft 12 is fixedly connected to the support frame 11, a wire roller 2 is sleeved outside the fixed shaft 12, flanges 22 extend outwards from two ends of the wire roller 2, a gap is reserved between the inner wall of the wire roller 2 and the outer wall of the fixed shaft 12, and the axial direction of the wire roller 2 is parallel to the axial direction of the fixed shaft 12. The outer wall of the wire roller 2 is wound with a wire 21, one end of the wire 21 is fixed on the outer wall of the wire roller 2, and the other end of the wire 21 is a free end thereof. The axis of the wire roller 2 is parallel to the axis of the fixed shaft 12 by the gravity of the wire roller itself and the wire 21.

Referring to fig. 1, a vertically disposed fixing plate 13 is fixed to the table 1, and the fixing plate 13 is located on a side away from a free end of the cable 21. The fixed plate 13 sets firmly on the lateral wall towards fixed axle 12 extension spring 3, and extension spring 3 upwards sets up along the radial slope of line roller 2, and extension spring 3 has a plurality ofly along the axis direction interval equipartition of line roller 2. One end of each tension spring 3, which is far away from the fixed plate 13, is jointly fixed with the same tensioning frame 4, each tensioning frame 4 comprises a U-shaped frame 41 fixed on the tension springs 3 and a rotating roller 42 rotatably connected between two free ends of the U-shaped frame 41, the axial direction of the rotating roller 42 is parallel to the axial direction of the wire roller 2, the rotating roller 42 is positioned on the inner side of the wire 21, and the outer wall of the rotating roller 42 is abutted against the inner side of the wire 21 and the outer wall of the wire roller 2.

A plurality of guide groups 31 for guiding the tensioning frame 4 are arranged between the tensioning frame 4 and the fixing plate 13, and a plurality of groups of the guide groups 31 are uniformly distributed at intervals along the distribution direction of the plurality of tension springs 3. The guide set 31 comprises a guide sleeve 311 fixed on the outer wall of the U-shaped frame 41 and a guide rod 312 slidably arranged in the guide sleeve 311, the guide sleeve 311 is arranged in a direction parallel to the axis of the tension spring 3, the guide rod 312 and the guide sleeve 311 are coaxially arranged, and one end of the guide rod 312 far away from the guide sleeve 311 is fixed on the side wall of the fixing plate 13.

Referring to fig. 1 and 3, two ends of the fixed shaft 12 are slidably connected with a connecting sleeve plate 5 coaxial therewith, respectively, one side of the connecting sleeve plate 5 close to the tightening frame 4 extends outward to form an extension rod 53, and one end of the extension plate 51 far away from the connecting sleeve plate 5 extends out of the outer edge of the flange 22. A pin rod 52 is fixed on one side of the extension plate 51 facing the U-shaped frame 41, the axial direction of the pin rod 52 is parallel to the axial direction of the fixed shaft 12, a pin hole 411 corresponding to the pin rod 52 is formed on the side wall of the U-shaped frame 41, one end of the pin rod 52 far away from the extension plate 51 is inserted into the pin hole 411, and the movement of the tensioning frame 4 towards the tension spring 3 is limited.

The supporting frame 11 is fixed with power parts corresponding to the connecting sleeve plate 5 one by one, the power parts are electric cylinders 111, the axial direction of the electric cylinders 111 is parallel to the axial direction of the pin rods 52, and the rod ends of the electric cylinders 111 are fixed on the side walls of the connecting sleeve plate 5 far away from the flanging 22.

The workbench 1 is also fixed with a vertical plate 14, and the vertical plate 14 is positioned on one side of the wire roller 2 far away from the fixed plate 13. The workbench 1 is provided with a controller and a displacement sensor, the displacement sensor is fixed on the vertical plate 14, the displacement sensor and the electric cylinder 111 are both electrically connected with the controller, and the controller and the displacement sensor are not shown in the drawing. When the signal of the displacement sensor is not changed, the controller controls the electric cylinder 111 to act, so as to drive the connecting sleeve plate 5 to move to the pin rod 52 to be separated from the pin hole 411, and the limit of the tensioning frame 4 is released.

Referring to fig. 1 and 4, a through groove 141 is formed on the vertical plate 14, the through groove 141 is rotatably connected with the stabilizing sleeve 6, the free end of the cable 21 slidably penetrates through the stabilizing sleeve 6, and a gap is formed between the outer circumferential surface of the cable 21 and the inner circumferential surface of the stabilizing sleeve 6. Two sides of the stabilizing sleeve 6 are respectively connected with the inner wall of the through groove 141 through two rotating shafts 61 in a rotating mode, and the axial direction of the rotating shafts 61 is parallel to the axial direction of the wire roller 2. The vertical plate 14 is provided with a limiting assembly for limiting the rotation of the stabilizing sleeve 6, the two sides of the vertical plate 14 are respectively fixed with a connecting support lug 142, the limiting assembly comprises two limiting bolts 7 respectively corresponding to the two connecting support lugs 142, the limiting bolts 7 are connected to the connecting support lugs 142 from bottom to top in a threaded manner, and the top ends of the two limiting bolts 7 are abutted against the outer wall of the stabilizing sleeve 6. The stabilizing sleeve 6 plays a certain supporting role for the free end of the cable 21, so that the stability of the free end of the cable 21 is improved, and meanwhile, the output angle of the free end of the cable 21 can be adjusted by a constructor conveniently.

Referring to fig. 1, a roller frame 8 is arranged between the vertical plate 14 and the supporting frame 11, a tension roller 81 is rotatably connected to the roller frame 8, the axial direction of the tension roller 81 is parallel to the axial direction of the wire roller 2, the wire 21 abuts against the outer circumferential surface of the tension roller 81, the tension degree of the wire 21 positioned outside the wire roller 2 is increased by the arrangement of the tension roller 81, and the loosening of the wire 21 is further reduced.

The implementation principle of the cable erection device in the embodiment of the application is as follows:

in an initial state, the pin rod 52 is inserted into the pin hole 411 to limit the movement of the tensioning frame 4, a constructor continuously pulls the cable 21, the cable roller 2 continuously rotates under the action of external force, when the constructor stops pulling the cable 21, the displacement sensor stops changing, when a signal of the displacement sensor is unchanged, the controller controls the electric cylinder 111 to act to drive the connecting sleeve plate 5 to move until the pin rod 52 is separated from the pin hole 411 to release the limit on the tensioning frame 4, at the moment, the tensioning frame 4 is in a movable state, the tensioning frame 4 moves to one side far away from the cable roller 2 under the action of the tension spring 3, the guide group 31 plays a guide role on the tensioning frame 4, one side of the cable 21 drives the cable roller 2 to move towards the tension spring 3 under the action of the tensioning frame 4 to enable the cable roller 2 to be abutted and pressed on the fixed shaft 12 to limit the continuous rotation of the cable roller 2, and the situation that the redundant cable 21 is pulled out due to loose is reduced, thereby reducing the condition that the cable 21 is wound and knotted and effectively ensuring the normal use of the cable erection device;

when the constructor pulls the cable 21 again to reset the tension frame 4, the tension frame 4 is moved to align the pin hole 411 with the pin rod 52, and the control cylinder 111 drives one end of the pin rod 52 to be inserted into the pin hole 411 to restrict the movement of the tension frame 4.

Example two

With reference to fig. 5 and 6, a cable erecting device is different from the first embodiment in that two side walls of two turned-over edges 22 of the wire roller 2, which are far away from each other, are respectively provided with a ring groove 9, and the ring groove 9 is coaxial with the wire roller 2. Connecting sleeve plate 5 top is outwards extended to have extension rod 53, extension rod 53 is kept away from connecting sleeve plate 5's one end and is stretched out in the outer fringe of turn-ups 22, extension rod 53 is kept away from connecting sleeve plate 5's one end and is fixed with gag lever post 54, gag lever post 54 sets up along the axis direction that is on a parallel with annular 9, gag lever post 54 is kept away from extension rod 53's one end and is inserted in annular 9, and annular 9 can rotate for gag lever post 54, the gag lever post 54 stretches into the degree of depth in annular 9 and the distance that pin rod 52 stretched into in pinhole 411 are the same.

The cooperation of gag lever post 54 and annular 9 makes line roller 2 keep coaxial pivoted state for fixed axle 12, makes and keeps the clearance between the inner wall of line roller 2 and the outer wall of fixed axle 12, reduces the frictional force between line roller 2 and the fixed axle 12, and the rotation of the line roller 2 of being convenient for, and then the constructor of being convenient for pulls cable 21.

EXAMPLE III

With reference to fig. 1 and 7, a cable erecting device is different from the first embodiment in that an electric push rod 10 is fixed on a side wall of a fixing plate 13 facing a wire roller 2, the electric push rod 10 is arranged along a moving direction of the fixing frame, and two electric push rods 10 are arranged at intervals along a distribution direction of tension springs 3. When the tensioning frame 4 is in a state of tensioning the cable 21, a distance is reserved between the rod end of the electric push rod 10 and the U-shaped frame 41, the influence on the movement of the tensioning frame 4 is avoided, when a constructor pulls the cable 21 again to reset the tensioning frame 4, the electric push rod 10 is adjusted to enable the rod end of the electric push rod 10 to abut against the side wall, facing the tension spring 3, of the U-shaped frame 41, the fixing frame is enabled to move to the pin hole 411 to be aligned with the pin rod 52 under the action of the electric push rod 10, the automatic resetting of the tensioning frame 4 is achieved, manual operation of workers is not needed, and labor waste is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.