阅读说明：本技术 建筑墙面垂直度检测装置 (Building wall face verticality detection device ) 是由 高宏伟 于 2021-10-26 设计创作，主要内容包括：本发明适用于垂直度检测装置,提供了建筑墙面垂直度检测装置,所述装置包括检测组件；所述检测组件包括上检测组件和下检测组件；还包括分段式高度调节组件,所述上检测组件和下检测组件分别通过第一连接块和第二连接块设置于分段式高度调节组件上；移动底座,用于分段式高度调节组件的定位及位置变换；所述分段式高度调节组件包括设置于移动底座上的安装座以及设置于安装座侧面的分段式高度调节单元；所述分段式调节单元包括第一调节执行件、第二调节执行件以及驱动电机；从而实现高处墙面的垂直度检测以及上检测组件在闲置状态时的收纳,减少建筑墙面垂直度检测装置的空间占用。(The invention is suitable for a verticality detection device, and provides a building wall verticality detection device which comprises a detection assembly; the detection assembly comprises an upper detection assembly and a lower detection assembly; the upper detection assembly and the lower detection assembly are respectively arranged on the sectional type height adjusting assembly through a first connecting block and a second connecting block; the movable base is used for positioning and position changing of the sectional type height adjusting assembly; the sectional type height adjusting assembly comprises a mounting seat arranged on the movable base and a sectional type height adjusting unit arranged on the side surface of the mounting seat; the sectional type adjusting unit comprises a first adjusting executing part, a second adjusting executing part and a driving motor; thereby realize the straightness detection of hanging down of eminence wall and go up detection module accomodating when idle state, reduce building wall straightness detection device that hangs down's space and occupy.)

1. The building wall surface verticality detection device comprises a detection assembly;

the device is characterized in that the detection assembly comprises an upper detection assembly and a lower detection assembly; further comprising:

the upper detection assembly and the lower detection assembly are arranged on the sectional type height adjusting assembly through a first connecting block and a second connecting block respectively and are used for driving the upper detection assembly and the lower detection assembly to move up and down and dynamically accommodating the upper detection assembly;

the movable base is used for positioning and position changing of the sectional type height adjusting assembly;

the sectional type height adjusting assembly comprises a mounting seat arranged on the movable base and a sectional type height adjusting unit arranged on the side surface of the mounting seat;

the sectional type height adjusting unit comprises a first adjusting executing part, a second adjusting executing part and a driving motor, wherein the first adjusting executing part is used for driving the lower detection assembly to lift, the second adjusting executing part is used for driving the upper detection assembly to lift, the second adjusting executing part is detachably connected to the first adjusting executing part, and the driving motor is used for providing a power source for the first adjusting executing part.

2. The building wall perpendicularity detection device according to claim 1, wherein the first adjusting execution member comprises an upper fixing seat and a lower fixing seat which are fixedly arranged at two ends of the side surface of the mounting seat, and a reciprocating screw rod which is rotatably arranged on the upper fixing seat and the lower fixing seat;

the reciprocating screw rod is driven to rotate by a driving motor arranged on the lower fixing seat, and the second connecting block and the reciprocating screw rod are matched with each other and are arranged on the mounting seat in a sliding mode.

3. The building wall perpendicularity detecting device according to claim 2, wherein the second adjusting executing member comprises a supporting plate for positioning the upper detecting component, a mounting plate for fixing the supporting plate and a detaching and combining unit for detachably connecting the mounting plate with the second connecting block;

the support plate is arranged on two sides of the reciprocating screw rod and is arranged on the second connecting block and the upper fixing seat in a sliding mode, and the mounting plate penetrates through the reciprocating screw rod and is located between the lower fixing seat and the second connecting block.

4. The building wall surface verticality detection device according to claim 3, wherein the disassembling and assembling unit comprises an avoiding groove formed in the mounting plate, a clamping seat arranged on the second connecting block facing one side of the mounting plate and matched with the avoiding groove, and a positioning pin which is in threaded connection with the mounting plate and corresponds to the clamping seat;

wherein, a plurality of locating holes which are mutually matched with the locating pin are correspondingly arranged on the clamping seat facing the locating pin.

5. The building wall surface verticality detection device according to any one of claims 1-4, wherein each of the upper detection assembly and the lower detection assembly comprises a positioning seat in a hollow arrangement, a support in the positioning seat in an eccentric elastic rotation manner, a protractor detachably arranged at the bottom of the support, a perpendicular line detachably arranged at the middle of the protractor, a line weight detachably arranged at the bottom of the perpendicular line, and a guide roller rotatably arranged at the end of the support on one side facing the wall surface;

the support is in a state of being attached to the side wall of the positioning seat close to one side of the wall face in a standing state.

6. The building wall perpendicularity detecting device as claimed in claim 5, wherein a plurality of moving rollers uniformly distributed at the bottom of the moving base and a leveling component for adjusting initial levelness are arranged on the moving base.

7. The building wall perpendicularity detecting device as claimed in claim 6, wherein the horizontal adjusting assembly comprises a plurality of horizontal adjusting units uniformly distributed inside the movable base, and each horizontal adjusting unit comprises an adjusting seat fixedly arranged inside the movable base, a polygonal hole and a guide circular hole which are opened from top to bottom inside the adjusting seat, a T-shaped threaded rod slidably arranged in the polygonal hole, a T-shaped driving block rotatably arranged in the guide circular hole, a driving shaft rotatably arranged on the movable base and the adjusting seat, and an adjusting supporting block fixedly arranged at the end of the T-shaped threaded rod;

the T-shaped driving block is in threaded fit with the T-shaped threaded rod, a rotating handle is fixedly arranged at one end of the driving shaft, and the other end of the driving shaft is in transmission connection with the T-shaped driving block through a transmission part;

the adjusting support block is arranged in the guide circular hole in a sliding mode, and when the integral device is in a standing state, the lowest surface of the adjusting support block is lower than the lowest surface of the movable roller.

8. The building wall verticality detection device according to claim 1, further comprising a horizontal measuring instrument disposed on the movable base for detecting the levelness of the whole device.

Technical Field

The invention belongs to a perpendicularity detection device, and particularly relates to a building wall surface perpendicularity detection device.

Background

The rapid development of the building industry in China puts forward higher technical requirements on the detection of building engineering, and the perpendicularity and the flatness are important technical indexes for ensuring the safety of a wall body.

Whether perpendicular detection of current straightness is perpendicular usually is whether the clearance between wall and the vertical plate is perpendicular in order to judge the wall to the artifical simple and easy handheld vertical plate laminating wall back visual observation wall, and measures not wall of co-altitude either needs longer vertical plate or need additionally provide the higher stand of survey crew with the help of appurtenance.

The existing building wall surface verticality detection device has the problems of large occupied space and single function of a measurement tool.

Disclosure of Invention

The embodiment of the invention aims to provide a building wall surface verticality detection device, and aims to solve the problems that an existing building wall surface verticality detection device is large in occupied space of a measurement tool and single in function.

The embodiment of the invention is realized in such a way that the device comprises a detection component;

the detection assembly comprises an upper detection assembly and a lower detection assembly;

further comprising:

the upper detection assembly and the lower detection assembly are arranged on the sectional type height adjusting assembly through a first connecting block and a second connecting block respectively and are used for driving the upper detection assembly and the lower detection assembly to move up and down and dynamically accommodating the upper detection assembly;

the movable base is used for positioning and position changing of the sectional type height adjusting assembly;

the sectional type height adjusting assembly comprises a mounting seat arranged on the movable base and a sectional type height adjusting unit arranged on the side surface of the mounting seat;

the sectional type height adjusting unit comprises a first adjusting executing part, a second adjusting executing part and a driving motor, wherein the first adjusting executing part is used for driving the lower detection assembly to lift, the second adjusting executing part is used for driving the upper detection assembly to lift, the second adjusting executing part is detachably connected to the first adjusting executing part, and the driving motor is used for providing a power source for the first adjusting executing part.

Preferably, the first adjusting executing part comprises an upper fixing seat and a lower fixing seat which are fixedly arranged at two ends of the side surface of the mounting seat, and a reciprocating screw rod which is rotatably arranged on the upper fixing seat and the lower fixing seat;

the reciprocating screw rod is driven to rotate by a driving motor arranged on the lower fixing seat, and the second connecting block and the reciprocating screw rod are matched with each other and are arranged on the mounting seat in a sliding mode.

Preferably, the second adjusting executing part comprises a supporting plate for positioning the upper detection assembly, a mounting plate for fixing the supporting plate and a disconnecting and connecting unit for detachably connecting the mounting plate and the second connecting block;

the support plate is arranged on two sides of the reciprocating screw rod and is arranged on the second connecting block and the upper fixing seat in a sliding mode, and the mounting plate penetrates through the reciprocating screw rod and is located between the lower fixing seat and the second connecting block.

Preferably, the disassembling and assembling unit comprises an avoiding groove formed in the mounting plate, a clamping seat arranged on the second connecting block facing one side of the mounting plate and matched with the avoiding groove, and a positioning pin which is in threaded connection with the mounting plate and corresponds to the clamping seat;

wherein, a plurality of locating holes which are mutually matched with the locating pin are correspondingly arranged on the clamping seat facing the locating pin.

Preferably, the upper detection assembly and the lower detection assembly respectively comprise a positioning seat in a hollow-out arrangement, a support in the positioning seat in an eccentric elastic rotation manner, a protractor detachably arranged at the bottom of the support, a vertical line detachably arranged in the middle of the protractor, a line weight detachably arranged at the bottom of the vertical line, and a guide roller rotatably arranged at the end part of the support on one side facing the wall surface;

the support is in a state of being attached to the side wall of the positioning seat close to one side of the wall face in a standing state.

Preferably, a plurality of moving rollers uniformly distributed at the bottom of the moving base and a horizontal adjusting component for adjusting the initial levelness are arranged on the moving base.

Preferably, the horizontal adjusting assembly comprises a plurality of horizontal adjusting units uniformly distributed in the movable base, and each horizontal adjusting unit comprises an adjusting seat fixedly arranged in the movable base, a polygonal hole and a guide circular hole which are arranged in the adjusting seat from top to bottom, a T-shaped threaded rod slidably arranged in the polygonal hole, a T-shaped driving block rotatably arranged in the guide circular hole, a driving shaft rotatably arranged on the movable base and the adjusting seat, and an adjusting supporting block fixedly arranged at the end part of the T-shaped threaded rod;

the T-shaped driving block is in threaded fit with the T-shaped threaded rod, a rotating handle is fixedly arranged at one end of the driving shaft, and the other end of the driving shaft is in transmission connection with the T-shaped driving block through a transmission part;

the adjusting support block is arranged in the guide circular hole in a sliding mode, and when the integral device is in a standing state, the lowest surface of the adjusting support block is lower than the lowest surface of the movable roller.

Preferably, the device further comprises a horizontal measuring instrument arranged on the movable base and used for detecting the levelness of the whole device.

The building wall surface verticality detection device provided by the embodiment of the invention is characterized in that through the arrangement of the upper detection component and the lower detection component and the mutual matching of the first adjusting execution piece for driving the lower detection component to ascend and descend and the second adjusting execution piece for driving the upper detection component to ascend and descend and detachably connected with the first adjusting execution piece, under the action of the driving motor, the first adjusting execution piece is preferentially driven to drive the lower detection component to detect the wall surface with the verticality to be detected, when the high position of the wall surface needs to be measured, the second adjusting execution piece is detachably connected to the first adjusting execution piece, the driving motor and the first adjusting execution piece are used for jointly driving the second adjusting execution piece to drive the upper detection component to ascend and descend, so that the detection of the verticality of the wall surface at the high position and the accommodation of the upper detection component in an idle state are realized, and the space occupation of the building wall surface verticality detection device is reduced, the problem of current building wall straightness detection device that hangs down have measuring tool occupation space big and function singleness is solved.

Drawings

Fig. 1 is a schematic view of the overall structure of a building wall perpendicularity detection device provided by an embodiment of the invention.

Fig. 2 is a schematic structural diagram of a point a in fig. 1 according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a front view of the support plate and mounting plate assembly of fig. 1 according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of B-B in fig. 3 according to an embodiment of the present invention.

Fig. 5 is a schematic three-dimensional structure diagram of the positioning pin in fig. 1 according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram at C in fig. 1 according to an embodiment of the present invention.

In the drawings: 1-a detection component; 2-a first connection block; 3-a second connecting block; 4-moving the base; 5-mounting a base; 6-a first adjustment actuator; 7-a second adjustment actuator; 8-driving a motor; 9-upper fixing seat; 10-a lower fixed seat; 11-reciprocating screw rod; 12-a support plate; 13-mounting a plate; 14-a breaking-in unit; 15-avoidance groove; 16-a bayonet mount; 17-a locating pin; 18-positioning holes; 19-positioning seats; 20-a scaffold; 21-a protractor; 22-vertical line; 23-a line pendant; 24-a guide roll; 25-moving the roller; 26-a level adjustment unit; 27-an adjusting seat; 28-polygonal hole; 29-a guide circular hole; a 30-T threaded rod; a 31-T type driving block; 32-a drive shaft; 33-adjusting the supporting block; 34-level measuring instrument.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1 to 6, a structural diagram of a building wall perpendicularity detecting apparatus according to an embodiment of the present invention includes a detecting assembly 1; the detection assembly 1 comprises an upper detection assembly and a lower detection assembly;

further comprising:

the upper detection assembly and the lower detection assembly are respectively arranged on the sectional type height adjusting assembly through a first connecting block 2 and a second connecting block 3 and are used for driving the upper detection assembly and the lower detection assembly to move up and down and dynamically accommodating the upper detection assembly;

the movable base 4 is used for positioning and position changing of the sectional type height adjusting assembly;

the sectional type height adjusting assembly comprises a mounting seat 5 arranged on the movable base 4 and a sectional type height adjusting unit arranged on the side surface of the mounting seat 5;

wherein, the sectional type height adjusting unit comprises a first adjusting executive component 6 for driving the lower detection component to lift, a second adjusting executive component 7 for driving the upper detection component to lift and detachably connected with the first adjusting executive component 6, and a driving motor 8 for providing a power source for the first adjusting executive component 6.

In the practical application process of the embodiment, through the arrangement of the upper detection component and the lower detection component and the mutual matching of the first adjusting executive component 6 for driving the lower detection component to ascend and descend and the second adjusting executive component 7 for driving the upper detection component to ascend and descend and detachably connected with the first adjusting executive component 6, under the action of the driving motor 8, the first adjusting executive component 6 is driven to drive the detection component to detect the wall surface to be detected with verticality, when the height of the wall surface needs to be measured, the second adjusting executive component 7 is detachably connected with the first adjusting executive component 6, the second adjusting executive component 7 is driven by the driving motor 8 and the first adjusting executive component 6 together to drive the upper detection component to lift, thereby realize the straightness detection of hanging down of eminence wall and go up detection module accomodating when idle state, reduce building wall straightness detection device that hangs down's space and occupy.

As a preferred embodiment of the present invention, the first adjusting actuator 6 includes an upper fixing seat 9 and a lower fixing seat 10 fixedly disposed at two ends of the side surface of the mounting seat 5, and a reciprocating screw rod 11 rotatably disposed on the upper fixing seat 9 and the lower fixing seat 10;

the reciprocating screw rod 11 is driven to rotate by a driving motor 8 arranged on the lower fixing seat 10, and the second connecting block 3 and the reciprocating screw rod 11 are matched with each other and are arranged on the mounting seat 5 in a sliding mode.

It should be noted that the first adjusting actuator 6 for driving the lower detection assembly may also be an air cylinder or an electric push rod, as long as the lower detection assembly is lifted, and the implementation is not particularly limited herein.

In the practical application process, the reciprocating screw rod 11 and the reciprocating screw rod 11 are matched with each other and are arranged on the second connecting block 3 on the mounting base 5 in a sliding manner, and the reciprocating lifting purpose of the lower detection assembly is achieved under the power driving action of the driving motor 8.

As shown in fig. 1, 2 and 3, the second adjusting actuator 7 includes a supporting plate 12 for positioning the upper detecting component, a mounting plate 13 for fixing the supporting plate 12, and a detaching unit 14 for detachably connecting the mounting plate 13 to the second connecting block 3;

wherein, the backup pad 12 sets up in 11 both sides of reciprocal lead screw and slides and set up on second connecting block 3 and last fixing base 9, mounting panel 13 runs through reciprocal lead screw 11 and is located down between fixing base 10 and the second connecting block 3.

Specifically, the support plate 12 is integrally formed with the mounting plate 13.

In one aspect of the present embodiment, the detaching and attaching unit 14 includes an avoiding groove 15 opened on the mounting plate 13, a clamping seat 16 disposed on the second connecting block 3 facing the mounting plate 13 and cooperating with the avoiding groove 15, and a positioning pin 17 screwed on the mounting plate 13 and corresponding to the clamping seat 16;

wherein, a plurality of positioning holes 18 matched with the positioning pins 17 are correspondingly arranged on the clamping seat 16 facing the positioning pins 17.

It should be noted that, in this embodiment, the detaching unit 14 may also be of a snap-in type design or a magnetic-type design, as long as the detachable connection between the mounting plate 13 and the second connecting block 3 can be achieved, and this embodiment is not particularly limited herein.

In the practical application process of the embodiment, the position of the upper detection assembly is fixed under the combined action of the support plate 12, the mounting plate 13 and the detaching and combining unit 14 for detachably connecting the mounting plate 13 and the second connecting block 3; the mounting plate 13 is detachably connected with the second connecting block 3 under the combined action of a clamping seat 16, a positioning pin 17 which is connected to the mounting plate 13 in a threaded manner and corresponds to the clamping seat 16 and a plurality of positioning holes 18 which are formed in the clamping seat 16 and are matched with the positioning pin 17, so that the upper detection assembly is driven to lift under the matching action of a driving motor 8, a reciprocating screw rod 11 and the second connecting block 3 which is matched with the reciprocating screw rod 11 and is arranged on the mounting seat 5 in a sliding manner; besides, when the upper detection assembly is idle, the mounting plate 13 is naturally placed on the lower fixing seat 10 under the guiding action of the self gravity and the sliding arrangement of the support plate 12 on the second connecting block 3 and the upper fixing seat 9.

As a preferred embodiment of the present invention, each of the upper detection assembly and the lower detection assembly includes a positioning seat 19 with a hollow-out arrangement, a bracket 20 eccentrically and elastically rotatably disposed in the positioning seat 19, a protractor 21 detachably disposed at the bottom of the bracket 20, a perpendicular line 22 detachably disposed at the middle of the protractor 21, a line weight 23 detachably disposed at the bottom of the perpendicular line, and a guide roller 24 rotatably disposed at an end of the bracket 20 facing a wall surface;

the bracket 20 is in a state of being attached to the side wall of the positioning seat 19 close to one side of the wall surface in a standing state.

Specifically, a torsion spring is arranged at the rotating position of the bracket 20 and the positioning seat 19, so that the bracket 20 is in a state of being attached to the side wall of the positioning seat 19 close to the wall surface in a standing state, and at this time, the perpendicular line 22 is in the middle of the protractor 21 under the action of the line weight 23, namely, in a completely perpendicular state.

It should be noted that, the upper detection assembly and the lower detection assembly in this embodiment may also be combined and matched by a transparent bottle body with scales and a colored liquid, as long as it is possible to detect whether the perpendicularity of the wall surface is within a reasonable range, and this embodiment is not particularly limited herein.

This embodiment is at the practical application in-process, plumb line 22 is in protractor 21 middle part under the line weighs down 23 effect under the natural condition, be in complete vertical state promptly, when the straightness that hangs down of wall needs to be measured, under the combined action of guide roll 24 and eccentric elasticity rotation set up support 20 in positioning seat 19, driving motor 8 drives guide roll 24 through reciprocal lead screw 11 and second connecting block 3 and reciprocates along the wall, when the straightness deviation that hangs down appears in the wall, guide roll 24 removes the in-process and can drive support 20 and rotate, then under protractor 21, plumb line 22 and line weighs down 23's combined action, the angle deviation between protractor 21 and the plumb line 22 is the straightness's of wall deviation that hangs down.

As shown in fig. 1 and 6, as a preferred embodiment of the present invention, a plurality of moving rollers 25 uniformly distributed on the bottom of the moving base 4 and a level adjustment assembly for adjusting the initial levelness are disposed on the moving base 4.

In one aspect of the present embodiment, the horizontal adjusting assembly includes a plurality of horizontal adjusting units 26 uniformly arranged inside the moving base 4, and each horizontal adjusting unit 26 includes an adjusting base 27 fixedly arranged inside the moving base 4, a polygonal hole 28 and a round guiding hole 29 opened from top to bottom inside the adjusting base 27, a T-shaped threaded rod 30 slidably arranged inside the polygonal hole 28, a T-shaped driving block 31 rotatably arranged inside the round guiding hole 29, a driving shaft 32 rotatably arranged on the moving base 4 and the adjusting base 27, and an adjusting supporting block 33 fixedly arranged at an end of the T-shaped threaded rod 30;

the T-shaped driving block 31 is in threaded fit with the T-shaped threaded rod 30, one end of the driving shaft 32 is fixedly provided with a rotating handle, and the other end of the driving shaft 32 is in transmission connection with the T-shaped driving block 31 through a transmission part;

the adjusting support block 33 is slidably disposed in the guiding circular hole 29, and when the whole device is in a standing state, the lowest surface of the adjusting support block 33 is lower than the lowest surface of the moving roller 25.

It should be noted that, the horizontal adjusting component in this embodiment may also be a plurality of driving cylinders uniformly distributed to drive and adjust the lifting of the supporting block 33, as long as the stable placement and horizontal adjusting functions of the building wall perpendicularity detecting device in the standing state are achieved, and this embodiment is not particularly limited herein.

In this embodiment, the transmission member is a bevel gear transmission.

This embodiment is at the practical application in-process, through setting up drive shaft 32, T type threaded rod 30 and T type drive block 31 with screw-thread fit between T type threaded rod 30, under driving medium transmission connection effect, the rotation of drive shaft 32 drives T type drive block 31 and rotates, because be the threaded connection of mutually supporting between T type drive block 31 and T type threaded rod 30, then drive T type threaded rod 30 up-and-down reciprocating motion, thereby drive adjustment supporting shoe 33 up-and-down reciprocating motion, and then when the integrated device is in the state of stewing, adjustment supporting shoe 33 can be used to adjust the levelness of integrated device simultaneously as the support of integrated device.

In one embodiment, the device further comprises a level gauge 34 disposed on the mobile base 4 for detecting the levelness of the whole device.

It should be noted that, in the present embodiment, the level gauge 34 is a common apparatus for determining whether a plane is level, which is commonly used in the existing life, and the variety thereof is various, for example, a gravity sensor levelness gauge or a laser level gauge, as long as levelness detection can be achieved, and the present embodiment is not limited in particular.

In practical application, the horizontal measuring instrument 34 is arranged in the embodiment, so that the vertical line 22 is ensured to be positioned in the middle of the protractor 21 in the initial position, and the measuring error is reduced.

In the practical application process of the embodiment of the invention, when the verticality of the wall surface needs to be detected, the movable base is moved to the wall surface to be detected through the movable roller, the vertical line with the line weight is adjusted to be positioned at the middle position of the protractor through the horizontal measuring instrument, the guide roller is driven to be in light contact fit with the wall surface to be detected, when the low position of the wall surface is detected, the lower detection assembly is driven to move up and down along the wall surface only by the mutual matching of the driving motor, the reciprocating screw rod and the second connecting block, and whether the angle deviation occurs between the protractor and the vertical line in the lower detection assembly is observed in the moving process, so that whether the verticality of the wall surface meets the safety index of the wall body is judged; when the straightness that hangs down of needs high department position of wall detects, mutually support through the locator card hole on locating pin and the joint seat, with mounting panel demountable installation on the second connecting block, then the reciprocal lead screw of driving motor drive drives the in-process that the second connecting block reciprocated, can drive through the backup pad and go up the detection subassembly and carry out the straightness that hangs down of wall eminence and detect whether qualified, when need not use the detection subassembly, the mounting panel is under self gravity and the guide effect that the backup pad slided and sets up on second connecting block and last fixing base, place naturally on fixing base down, thereby accomodate last detection subassembly, avoid taking up space when idle equally.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.