阅读说明：本技术 一种交通运输用道路限高设备 (Road limit for height equipment for transportation ) 是由 张海锋 于 2021-03-24 设计创作，主要内容包括：本发明公开了一种交通运输用道路限高设备,其结构包括传动箱、顶柱、顶架、限高杆、底座,传动箱下端焊接连接于底座上端,传动箱上端嵌固连接于顶柱下端,顶架下端螺柱连接于顶柱上端,限高杆设于传动箱内侧进行支撑配合,当车厢卡入限高杆下端时,将设备进行通电,操控传动箱内的装置,使制动盒将升降装置内的支撑板推动,使固定柱推动卡圈,卡圈推动升降架内的连接杆与连接板,将滑架推起,使弹块被支撑架挤压后,支撑架把转柱推起,转柱带动支撑杆升起,使车辆从限高杆下端移除,防止车辆卡入限高杆,导致需要对限高设备进行拆卸,造成车辆卡死在限高杆下端无法进行移动。(The invention discloses a road height limiting device for transportation, which structurally comprises a transmission case, a top column, a top frame, a height limiting rod and a base, wherein the lower end of the transmission case is welded and connected with the upper end of the base, the upper end of the transmission case is embedded and fixedly connected with the lower end of the top column, the lower end of the top frame is connected with the upper end of the top column through a screw bolt, the height limiting rod is arranged on the inner side of the transmission case for supporting and matching, when the carriage is clamped into the lower end of the height limiting rod, the equipment is powered on, the device in the transmission case is controlled, the brake box pushes the support plate in the lifting device, the fixed column pushes the retainer ring, the retainer ring pushes the connecting rod and the connecting plate in the lifting frame, the carriage is pushed up, and the elastic block is extruded by the support frame, the support frame pushes up the rotary column, and the rotary column drives the bracing piece to rise, makes the vehicle remove from limit for height pole lower extreme, prevents that the vehicle card from going into the limit for height pole, leads to dismantling limit for height equipment, causes the vehicle card to die and can't remove at limit for height pole lower extreme.)

1. The road height limiting equipment for transportation structurally comprises a transmission case (1), a top column (2), a top frame (3), a height limiting rod (4) and a base (5), wherein the lower end of the transmission case (1) is welded and connected to the upper end of the base (5), the upper end of the transmission case (1) is fixedly embedded and connected to the lower end of the top column (2), the lower end of the top frame (3) is connected to the upper end of the top column (2) through a stud, and the height limiting rod (4) is arranged on the inner side of the transmission case (1) to be supported and matched; the method is characterized in that:

be equipped with elevating gear (11), support frame (12), bracing piece (13), head (14), braking box (15), rotary column (16) in transmission case (1), elevating gear (11) front end fixed connection is in support frame (12) rear end, support frame (12) front end and rotary column (16) rear end block, bracing piece (13) outside welds mutually with rotary column (16) inboard, the head (14) outside is fixed mutually with bracing piece (13) inboard, braking box (15) front end is connected with elevating gear (11) rear end.

2. The road height limiting device for transportation according to claim 1, wherein: be equipped with fixed column (111), support ring (112), backup pad (113), crane (114), rand (115) in elevating gear (11), the fixed column (111) outside is fixed mutually with backup pad (113) inboard, it is connected with crane (114) rear end to support ring (112) front end, support ring (112) outside and rand (115) inboard laminating mutually, fixed column (111) inboard and rand (115) outside weld mutually.

3. The road height limiting device for transportation according to claim 2, wherein: be equipped with balladeur train (a1), slide (a2), connecting plate (a3), connecting rod (a4), compression leg (a5), indent (a6) in crane (114), the outside of balladeur train (a1) is inboard mutually block with slide (a2), the slide (a2) outside is fixed in connecting plate (a3) inboard, connecting rod (a4) is located the connecting plate (a3) outside and is supported the cooperation, compression leg (a5) inboard and balladeur train (a1) outside looks riveting, indent (a6) inboard and compression leg (a5) outside are welded.

4. The road height limiting device for transportation according to claim 3, wherein: be equipped with in balladeur train (a1) top piece (a11), interface (a12), arc board (a13), coupling ring (a14), flexible post (a15), fixed plate (a16), top piece (a11) front end is inlayed and is fixed in coupling ring (a14) rear end, interface (a12) inboard is laminated with arc board (a13) outside mutually, arc board (a13) inboard is connected with flexible post (a15) outside, flexible post (a15) rear end and fixed plate (a16) front end block, fixed plate (a16) rear end and coupling ring (a14) front end welding.

5. The road height limiting device for transportation according to claim 4, wherein: be equipped with bullet piece (b1), briquetting (b2), support piece (b3), guide block (b4), bayonet socket (b5), clamp plate (b6) in top piece (a11), bullet piece (b1) lower extreme riveting is in briquetting (b2) upper end, support piece (b3) and locate and carry out fixed fit between briquetting (b2), the inboard laminating mutually with bayonet socket (b5) outside of guide block (b4), clamp plate (b6) upper end is connected with briquetting (b2) lower extreme.

6. The road height limiting device for transportation according to claim 1, wherein: the movable device (14) is internally provided with a clamping plate (141), a connecting column (142), a rotating wheel (143), a clamping block (144), a fixing strip (145) and a rotating shaft (146), the outer side of the clamping plate (141) is fixedly connected to the inner side of the fixing strip (145), the inner side of the connecting column (142) is connected with the outer side of the rotating shaft (146), the rotating wheel (143) is arranged at the upper end of the clamping block (144) to be in running fit, and the upper end of the clamping block (144) is attached to the lower end of the clamping plate (141).

7. The road height limiting device for transportation according to claim 6, wherein: be equipped with buckle (c1), support bar (c2), draw-in groove (c3), connecting strip (c4), kelly (c5), baffle (c6) in fixture block (141), buckle (c1) inboard and kelly (c5) outside looks block, the inboard laminating mutually with draw-in groove (c3) outside of support bar (c2), the connecting strip (c4) outside is fixed mutually with kelly (c5) inboard, baffle (c6) inboard and connecting strip (c4) outside are welded mutually.

8. The road height limiting device for transportation according to claim 7, wherein: the buckle (c1) is internally provided with a resisting angle (c11), a resisting groove (c12), a retainer ring (c13), a resisting ring (c14), a telescopic ring (c15) and a stop block (c16), the outer side of the resisting angle (c11) is fixedly connected to the inner side of the stop block (c16) in an embedded mode, the resisting groove (c12) and the resisting ring (c14) are of an integrated structure, the inner side of the retainer ring (c13) is riveted with the outer side of the telescopic ring (c15), the outer side of the resisting ring (c14) is connected to the inner side of the telescopic ring (c15) through bolts, and the rear end of the stop block (c16) is clamped to the front end of the resisting ring (c 14).

Technical Field

The invention belongs to the field of transportation, and particularly relates to road height limiting equipment for transportation.

Background

The transportation category is various, such as: railway, highway, water route and air transportation etc. on the urban highway, under the condition that is equipped with the bridge in road the place ahead, can pass through the road surface of bridge below and the lowest contact surface of bridge bottom, at the road of bridge bottom both sides, set for fixed limit for height equipment diameter height, make the vehicle that exceeds the limit for height can't get into this road and travel.

Based on the above description, the inventor finds that the existing road height limiting device for transportation mainly has the following defects, such as: at the vehicle driver who exceeds a little and prescribe a limit to the equipment, go under the bad condition of illumination at night, in time discover limit to the height equipment, drive the vehicle and go the limit to the height equipment, lead to the pushing and rubbing of fender frame bottom of carriage top framework and limit to the height equipment, make the framework buckle the card die and keep off the frame lower extreme, cause limit to the height equipment and need dismantle the back, will keep off the frame and lift up, just can make the vehicle remove out limit to the height equipment.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide road height limiting equipment for transportation so as to solve the problems in the prior art.

The technical scheme adopted by the invention for realizing the technical purpose is as follows: this road limit for height equipment for transportation, its structure includes transmission case, fore-set, roof-rack, limit for height pole, base, transmission case lower extreme welded connection is in the base upper end, the transmission case upper end inlays solid and connects in the fore-set lower extreme, roof-rack lower extreme double-screw bolt is connected in the fore-set upper end, the limit for height pole is located the transmission case inboard and is supported the cooperation.

As a further improvement of the invention, a lifting device, a support frame, a support rod, a movable device, a brake box and a rotary column are arranged in the transmission case, the front end of the lifting device is fixedly connected with the rear end of the support frame, the front end of the support frame is clamped with the rear end of the rotary column, the outer side of the support rod is welded with the inner side of the rotary column, the outer side of the movable device is fixed with the inner side of the support rod, the front end of the brake box is connected with the rear end of the lifting device, and six height-limiting rods are fixed on the inner side of the support rod.

As a further improvement of the invention, a fixed column, a supporting ring, a supporting plate, a lifting frame and a clamping ring are arranged in the lifting device, the outer side of the fixed column is fixed with the inner side of the supporting plate, the front end of the supporting ring is connected with the rear end of the lifting frame, the outer side of the supporting ring is attached to the inner side of the clamping ring, the inner side of the fixed column is welded with the outer side of the clamping ring, and a clamping block is arranged on the inner side of the fixed column and welded with the outer side of the clamping ring.

As a further improvement of the invention, a sliding frame, a sliding way, a connecting plate, a connecting rod, press columns and press grooves are arranged in the lifting frame, the outer side of the sliding frame is clamped with the inner side of the sliding way, the outer side of the sliding way is fixed on the inner side of the connecting plate, the connecting rod is arranged on the outer side of the connecting plate to be in supporting fit, the inner side of each press column is riveted with the outer side of the sliding frame, the inner side of each press groove is welded with the outer side of each press column, five press columns are arranged and distributed around the sliding frame, and pulleys are arranged on the outer side of the sliding frame.

As a further improvement of the invention, the sliding frame is internally provided with a top block, a connector, an arc plate, a connecting ring, a telescopic column and a fixed plate, the front end of the top block is embedded and fixed at the rear end of the connecting ring, the inner side of the connector is attached to the outer side of the arc plate, the inner side of the arc plate is connected with the outer side of the telescopic column, the rear end of the telescopic column is clamped with the front end of the fixed plate, the rear end of the fixed plate is welded with the front end of the connecting ring, and the inner side of the arc plate is provided with a connecting rod.

As a further improvement of the invention, an elastic block, a pressing block, a resisting block, a guide block, a bayonet and a pressing plate are arranged in the top block, the lower end of the elastic block is riveted at the upper end of the pressing block, the resisting block is arranged between the pressing blocks for fixed matching, the inner side of the guide block is attached to the outer side of the bayonet, the upper end of the pressing plate is connected with the lower end of the pressing block, and the elastic block is made of rubber and has elasticity.

As a further improvement of the invention, the movable device is internally provided with a clamping plate, a connecting column, a rotating wheel, a clamping block, a fixing strip and a rotating shaft, the outer side of the clamping plate is fixedly embedded and connected to the inner side of the fixing strip, the inner side of the connecting column is connected with the outer side of the rotating shaft, the rotating wheel is arranged at the upper end of the clamping block to be in rotating fit, the upper end of the clamping block is attached to the lower end of the clamping plate, and connecting buckles are arranged between the clamping blocks to be mutually clamped.

As a further improvement of the invention, the inside of the clamping block is provided with a buckle, a support bar, a clamping groove, a connecting bar, a clamping bar and a baffle plate, the inside of the buckle is clamped with the outside of the clamping bar, the inside of the support bar is attached to the outside of the clamping groove, the outside of the connecting bar is fixed with the inside of the clamping bar, the inside of the baffle plate is welded with the outside of the connecting bar, the buckle is arc-shaped, and five buckles are symmetrically and vertically distributed.

As a further improvement of the invention, the buckle is internally provided with a butt angle, a butt groove, a retainer ring, a butt ring, a telescopic ring and a stop block, the outer side of the butt angle is fixedly embedded and connected to the inner side of the stop block, the butt groove and the butt ring are of an integrated structure, the inner side of the retainer ring is riveted with the outer side of the telescopic ring, the outer side of the butt ring is connected to the inner side of the telescopic ring through a bolt, the rear end of the stop block is clamped at the front end of the butt ring, the butt angle is provided with six butt angles which are distributed around the butt groove, and the telescopic ring is a cone.

The invention has the beneficial effects that:

1. when limit for height pole lower extreme is gone into to carriage card, switch on equipment, control the device in the transmission case, make the backup pad promotion of braking box in with elevating gear, make the fixed column promote the rand, the rand promotes connecting rod and the connecting plate in the crane, push up the balladeur train, make the bullet piece by the support frame extrusion back, the support frame pushes up the rotary column, the rotary column drives the bracing piece and rises, make the vehicle remove from limit for height pole lower extreme, prevent that the vehicle card from going into the limit for height pole, lead to needing to dismantle limit for height equipment, cause the vehicle card to die can't remove at limit for height pole lower extreme.

2. When needs carry out lighting apparatus or road maintenance to the place ahead highway section, control the transmission case, make the buckle in the head break away from the cardboard, the inboard connector link of fixture block breaks away from, rotate along with the runner and overturn, make the bracing piece drive the spliced pole and rotate along the rotary column, expand to equipment front end both sides along with the pivot on the fixed strip, pass the vehicle, after finishing using, push back the bracing piece, make to support the angle and hit the cardboard, it promotes the dog to support the angle, make dog extrusion expansion ring shrink, expansion ring promotes the retaining ring, the retaining ring supports the cardboard, support the card pole by supporting the groove and supporting, make the bracing piece fix, under the condition that prevents to carry out road maintenance, it just can pass through to lead to dismantling the height-limiting equipment, cause the numerous miscellaneous nature of road maintenance.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a road height limiting device for transportation according to the present invention;

FIG. 2 is a schematic top view of the transmission case of the present invention;

FIG. 3 is a front view of the lifting device of the present invention;

FIG. 4 is a schematic structural view of the elevation frame of the present invention;

FIG. 5 is a front view of the carriage of the present invention;

FIG. 6 is a schematic top view of a top block according to the present invention;

FIG. 7 is a front view of the mobile device of the present invention;

FIG. 8 is a schematic front view of a fixture block according to the present invention;

FIG. 9 is a schematic top view of the buckle of the present invention;

in the figure: a transmission case-1, a top column-2, a top frame-3, a height limiting rod-4, a base-5, a lifting device-11, a support frame-12, a support rod-13, a movable device-14, a brake box-15, a rotary column-16, a fixed column-111, a support ring-112, a support plate-113, a lifting frame-114, a clamping ring-115, a sliding frame-a 1, a slide-a 2, a connecting plate-a 3, a connecting rod-a 4, a compression column-a 5, a compression groove-a 6, a top block-a 11, a connector-a 12, an arc plate-a 13, a connecting ring-a 14, a telescopic column-a 15, a fixed plate-a 16, a spring block-b 1, a compression block-b 2, a compression block-b 3, a guide block-b 4, a bayonet-b 5, a compression plate-b 6, a clamping plate-141, a clamping plate-b 6, a clamping plate, and a, The device comprises a connecting column-142, a rotating wheel-143, a clamping block-144, a fixing strip-145, a rotating shaft-146, a buckle-c 1, a supporting strip-c 2, a clamping groove-c 3, a connecting strip-c 4, a clamping rod-c 5, a baffle-c 6, a supporting angle-c 11, a supporting groove-c 12, a retainer ring-c 13, a supporting ring-c 14, an expansion ring-c 15 and a stopper-c 16.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example 1

As shown in figures 1 to 6:

the invention provides a road height limiting device for transportation, which structurally comprises a transmission case 1, a top column 2, a top frame 3, a height limiting rod 4 and a base 5, wherein the lower end of the transmission case 1 is welded and connected to the upper end of the base 5, the upper end of the transmission case 1 is fixedly embedded and connected to the lower end of the top column 2, the lower end of the top frame 3 is connected to the upper end of the top column 2 through a stud, and the height limiting rod 4 is arranged on the inner side of the transmission case 1 for supporting and matching.

Wherein, be equipped with elevating gear 11, support frame 12, bracing piece 13, head suspension 14, braking box 15, rotary column 16 in the transmission case 1, 11 front end fixed connection in the 12 rear ends of support frame of elevating gear, 12 front ends of support frame and 16 rear end block of rotary column, the bracing piece 13 outside welds with 16 inboards of rotary column mutually, 14 outsides of head suspension are fixed mutually with 13 inboards of bracing piece, braking box 15 front ends is connected with 11 rear ends of elevating gear, six limit for height poles 4 are being fixed to the bracing piece 13 inboard, make the stability of bracing piece 13 increase, prevent that bracing piece 13 from taking place to rock.

The lifting device 11 is internally provided with a fixed column 111, a supporting ring 112, a supporting plate 113, a lifting frame 114 and a clamping ring 115, the outer side of the fixed column 111 is fixed with the inner side of the supporting plate 113, the front end of the supporting ring 112 is connected with the rear end of the lifting frame 114, the outer side of the supporting ring 112 is attached to the inner side of the clamping ring 115, the inner side of the fixed column 111 is welded with the outer side of the clamping ring 115, and the inner side of the fixed column 111 is provided with a clamping block which is welded with the outer side of the clamping ring 115, so that the lifting frame 114 can keep stability in the lifting process.

The crane 114 is internally provided with a carriage a1, a slide way a2, a connecting plate a3, a connecting rod a4, a compression column a5 and a compression groove a6, the outer side of the carriage a1 is clamped with the inner side of the slide way a2, the outer side of the slide way a2 is fixed on the inner side of the connecting plate a3, the connecting rod a4 is arranged on the outer side of the connecting plate a3 for supporting and matching, the inner side of the compression column a5 is riveted with the outer side of the carriage a1, the inner side of the compression groove a6 is welded with the outer side of the compression column a5, five compression columns a5 are arranged and distributed around the carriage a1, and the outer side of the carriage a1 is provided with pulleys, so that the carriage 1 can slide in the slide way a 2.

The sliding frame a1 is internally provided with a top block a11, a connector a12, an arc plate a13, a connecting ring a14, a telescopic column a15 and a fixing plate a16, the front end of the top block a11 is embedded and fixed at the rear end of the connecting ring a14, the inner side of the connector a12 is attached to the outer side of the arc plate a13, the inner side of the arc plate a13 is connected with the outer side of the telescopic column a15, the rear end of the telescopic column a15 is clamped with the front end of the fixing plate a16, the rear end of the fixing plate a16 is welded with the front end of the connecting ring a14, and the inner side of the arc plate a13 is provided with a connecting rod, so that the supporting strength of the top block a11 is increased, and the sliding frame a1 is prevented from swinging after the height limiting equipment is lifted by wind.

The sliding frame is characterized in that an elastic block b1, a pressing block b2, a resisting block b3, a guide block b4, a bayonet b5 and a pressing plate b6 are arranged in the top block a11, the lower end of the elastic block b1 is riveted to the upper end of the pressing block b2, the resisting block b3 is arranged between the pressing blocks b2 to be fixedly matched, the inner side of the guide block b4 is attached to the outer side of the bayonet b5, the upper end of the pressing plate b6 is connected with the lower end of the pressing block b2, the elastic block b1 is made of rubber and has elasticity, and when the supporting frame 12 is pushed by the top block a11, the sliding frame a1 cannot be damaged under the gravity extrusion friction.

The specific use mode and function of the embodiment are as follows:

in the invention, when a carriage is clamped into the lower end of a height limiting rod, the equipment is electrified, a device in the transmission case 1 is operated, the brake box 15 pushes the supporting plate 113 in the lifting device 11, the fixed column 111 pushes the clamping ring 115, the clamping ring 115 pushes the connecting rod a4 and the connecting plate a3 in the lifting frame 114, the sliding frame a1 is pushed up, and after the elastic block b1 is extruded by the supporting frame 12, elastic block b1 extrusion is supported the briquetting b2 of block b3 both sides, briquetting b2 extrusion clamp plate b6 contracts, make kicking block a11 promote connecting ring a14, the connecting ring promotes flexible post a15 of fixed plate a16 lower extreme and contracts, flexible post a15 supports arc board a13, make support frame 12 promote rotary column 16, rotary column 16 promotes bracing piece 13 and rises, make the vehicle remove from limit for height pole 4 lower extreme, prevent that the vehicle card from going into the limit for height pole, lead to needing to dismantle limit for height equipment, cause the vehicle card to die and can't remove at limit for height pole lower extreme.

Example 2

As shown in fig. 7 to 9:

the invention provides a road height limiting device for traffic transportation, wherein a clamping plate 141, a connecting column 142, a rotating wheel 143, a clamping block 144, a fixing strip 145 and a rotating shaft 146 are arranged in a movable device 14, the outer side of the clamping plate 141 is fixedly embedded and connected to the inner side of the fixing strip 145, the inner side of the connecting column 142 is connected with the outer side of the rotating shaft 146, the rotating wheel 143 is arranged at the upper end of the clamping block 144 to be in rotating fit, the upper end of the clamping block 144 is attached to the lower end of the clamping plate 141, and connecting buckles are arranged between the clamping blocks 144 to be mutually clamped, so that the clamping block 114 is fixed more stably.

The clamping block 141 is internally provided with a buckle c1, a support bar c2, a clamping groove c3, a connecting bar c4, a clamping rod c5 and a baffle c6, the inner side of the buckle c1 is clamped with the outer side of the clamping rod c5, the inner side of the support bar c2 is attached to the outer side of the clamping groove c3, the outer side of the connecting bar c4 is fixed with the inner side of the clamping rod c5, the inner side of the baffle c6 is welded with the outer side of the connecting bar c4, the buckle c1 is arc-shaped, five pieces are arranged and are symmetrically and vertically distributed, and the support rods 13 are better in stability when being parallel to each other.

The buckle c1 is internally provided with a support angle c11, a support groove c12, a retainer ring c13, a support ring c14, an expansion ring c15 and a stop block c16, the outer side of the support angle c11 is fixedly connected to the inner side of the stop block c16 in an embedded mode, the support groove c12 and the support ring c14 are of an integrated structure, the inner side of the retainer ring c13 is riveted with the outer side of the expansion ring c15, the outer side of the support ring c14 is connected to the inner side of the expansion ring c15 in a bolt mode, the rear end of the stop block c16 is clamped at the front end of the support ring c14, the support angles a11 are six and distributed around the support groove c12, and the expansion ring c15 is a conical body, so that when the buckle c1 presses the clamp plate, rebounding cannot occur along with collision, and the buckle c1 is loosened.

The specific use mode and function of the embodiment are as follows:

in the invention, when the lighting equipment or road maintenance needs to be carried out on the front road section, the transmission case 1 is operated to ensure that the buckle c1 in the movable device 14 is separated from the clamping plate 141, the connecting buckles on the inner sides of the clamping blocks 144 are separated from each other, the clamping blocks 114 rotate along with the rotating wheels 143 to turn over, the supporting rod 13 drives the connecting column 142 to rotate along the rotating columns 16, the supporting rod 13 expands towards the two sides of the front end of the equipment along with the rotating shafts 146 on the fixing strips 145 to release the vehicle, after the use is finished, the supporting rod 13 is pushed back to ensure that the abutting angle c11 impacts the clamping plate, the abutting angle c11 pushes the block c16 to ensure that the block c16 extrudes the telescopic ring c15 to contract, the telescopic ring c15 pushes the check ring c13, the check ring c13 abuts against the clamping plate, the abutting groove c12 abuts against the clamping rod c5 to support, the supporting rods 13 are mutually clamped and fixed, and the height limiting equipment needs to be dismounted under the condition that the road maintenance needs to be carried out, resulting in a complicated road maintenance.

The invention solves the problems in the prior art, and through the mutual combination of the components, the invention prevents vehicles from being clamped into the height limiting rod, so that the height limiting equipment needs to be disassembled, the vehicles are clamped at the lower end of the height limiting rod and cannot move, and the complex road maintenance caused by the condition that the height limiting equipment needs to be disassembled to pass through is prevented from being performed under the condition that the road maintenance is required.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.