CN208803678U - A kind of heliport takes off the connection component of mating formation of access area - Google Patents

Abstract

The purpose of this utility model is to provide a kind of heliport access areas of taking off to mat formation connection component, is convenient for quick despatch while can satisfy helicopter landing for intensity requirement.To realize that the heliport of the foregoing purpose access area connection component of mating formation that takes off includes: first component, second component and connector, wherein, in the assembled state of connection component of mating formation, connector is placed in first component, the first keyway on second component, in the second keyway, to connect first component and second component；First component, second component sliding locating part block tongue portion respectively by elastic component keep enter connector card slot, to limit position of the connector in corresponding first keyway and the second keyway；Sliding locating part can slide under external force and exact separation, to allow connector to take out from the first keyway, the second keyway, and then discharges the connection of first component, second component.

Description

A kind of heliport takes off the connection component of mating formation of access area

Technical field

Mat formation connection group the utility model relates to heliport more particularly to a kind of heliport and its access area of taking off Part.

Background technique

Classification according to " International Civil Aviation pact " to heliport, heliport are broadly divided into: surface heliport, overhead Heliport and helicopter deck.It is required according to " civil helicopter flying field technical standard MH 5013-2014 ", helicopter Field should be not less than Helicopter Main comprising a Final Approach not less than Helicopter Main rotor diameter and area (FATO) of taking off, one 0.83 times of rotor diameter of access area of taking off (TLOF) and a safety zone not less than 2 times of Helicopter Main rotor diameter.Its In take off dynamic loading of the access area (TLOF) when needing to bear helicopter landing, therefore the requirement for structural strength is most stringent.

Inventors have found that structural stability is directly closed for being taken off access area by heliport made of parts assembling It is the safety to helicopter takeoff and landing, many helicopter safety accidents are all due to taking off and connecing in descent Caused by regional surface texture sink.Body structure surface, which sink, so that helicopter is toppled to side, so as to cause main rotor shock Ground and cause serious accident.Heliport that is a kind of quick and meeting intensity requirement when helicopter lands how is provided to mat formation Connection component is current urgent problem.

Utility model content

The purpose of this utility model is to provide a kind of heliport access areas of taking off to mat formation connection component, can satisfy While helicopter landing is for intensity requirement, it is convenient for quick despatch.

To realize that the heliport of foregoing purpose access area of taking off is mated formation connection component, comprising:

First component has the first keyway and the first notch；

Second component has the second keyway and the second notch；

Connector, the key connection portion including the first key, the second key and connection first key and second key are described First key and second key are respectively provided with card slot；And

In the first component, the respectively arranged sliding locating part of the second component, the sliding locating part has respectively There is block tongue portion；

Wherein, in the assembled state of the connection component of mating formation, first key is placed in first keyway, and described second Key is placed in second keyway, and the key connection portion is placed in first notch and second notch, to connect described first Component and the second component；The first component, the second component the sliding locating part the block tongue portion difference The card slot for entering first key and second key is kept, by elastic component to limit first key and second key Position in corresponding first keyway and second keyway；

The sliding locating part can slide under external force with the exact separation, to allow first key, described Second key takes out from first keyway, second keyway, and then discharges the company of the first component, the second component It connects.

In one or more embodiments, the first component also has the first serrated edge, in first serrated edge It is provided with first keyway；

The second component also has the second serrated edge, and second serrated edge is provided with second keyway；

In the assembled state of the connection component of mating formation, first serrated edge and second serrated edge are engaged each other.

It is first keyway, described in the assembled state of the connection component of mating formation in one or more embodiments First notch and second keyway, second notch are spliced into I-shaped slot, correspondingly, first key, second key, The key connection cage structure is at I-shaped key.

In one or more embodiments, it is separately provided for being arranged in the first component, the second component The sliding slot of the sliding locating part, the sliding slot extend and are pierced by the cell wall of first keyway or second keyway, to hold Perhaps the described block tongue enters corresponding first keyway or the second keyway.

In one or more embodiments, the sliding slot is covered by sliding slot lid, and the sliding slot lid has guide groove, described Sliding locating part has pillar, and the pillar is slidably matched with the guide groove, is carried out with the sliding to the sliding locating part Guiding.

In one or more embodiments, the sliding locating part has pillar, and the pillar reveals from the sliding slot Out, it is suitable for connecting with extracting tool.

In one or more embodiments, I-shaped key top is additionally provided with T-slot, and the T-slot is suitable for and tears open Unload tool connection.

In one or more embodiments, through-hole is offered respectively in the first component, the second component.

The beneficial effects of the utility model are:

Heliport the take off connection component of mating formation of access area in surface includes first component, second component and connector, It provides a kind of simple disassembly mode, makes it possible to carry out assembled or disassembly to airport in a relatively short period of time, to meet The urgent occasion of requirement under to(for) airport construction.

Detailed description of the invention

The above and other feature, property and advantage of the utility model will be by with reference to the accompanying drawings and examples Description and become readily apparent from, in which:

Fig. 1 shows the schematic diagram under the heliport assembled state of surface；

Fig. 2 shows the stereoscopic schematic diagrams for one embodiment of module of mating formation；

Fig. 3 shows the schematic top plan view for one embodiment of module of mating formation；

Fig. 4 shows the stereoscopic schematic diagram mated formation under 1 connection status of module；

Fig. 5 shows the portion the A enlarged diagram in Fig. 4；

Fig. 6 shows the stereoscopic schematic diagram of sliding one embodiment of locating part；

Fig. 7 shows the stereoscopic schematic diagram of one embodiment of connector；

Fig. 8 shows the stereoscopic schematic diagram of another embodiment of connector；

Fig. 9 shows the front schematic view of sliding one embodiment of locating part；

Figure 10 is the stereoscopic schematic diagram of one embodiment of unit of mating formation in module body；

Figure 11 is the front schematic view of one embodiment of unit of mating formation in module body；

Figure 12 is the stereoscopic schematic diagram after mating formation unit assembling；

Figure 13 is the partial enlargement diagram mated formation at unit assembly connection；

Figure 14 is the stereoscopic schematic diagram of another embodiment of unit of mating formation；

Figure 15 is the side schematic view of another embodiment of unit of mating formation；

Figure 16 shows the stereoscopic schematic diagram of another embodiment of module of mating formation；

Figure 17 shows the stereoscopic schematic diagrams of the another embodiment of module of mating formation；

When Figure 18 shows the first extracting tool and the second extracting tool and module of mating formation carries out under dismantlement work state Stereoscopic schematic diagram；

Figure 19 shows the stereoscopic schematic diagram of first one embodiment of extracting tool；

Figure 20 shows the stereoscopic schematic diagram of second one embodiment of extracting tool.

Specific embodiment

It is following to disclose the embodiment or embodiment of subject technology scheme described in a variety of different implementations.For simplification The specific example of each element and arrangement is described below in disclosure, and certainly, these are only example, is not to this The protection scope of invention is limited.Such as the fisrt feature then recorded in the description above second feature or above It is formed, may include the embodiment that the first and second features are formed by way of directly contacting, also be included in the first He The embodiment that supplementary features are formed between second feature, to can not directly be contacted between the first and second features.In addition, In these disclosures may in different examples repeat reference numerals and/or letter.The repetition is in order to brief and clear Chu itself does not indicate each embodiment being discussed and/or interstructural relationship.Further, when first element be with The mode that second element is connected or combines describes, which includes the reality that the first and second elements are connected directly or are bonded to each other Mode is applied, also includes so that the first and second interelements ground connection is connected or is tied each other using one or more other intervening elements additions It closes.

Heliport is the place for helicopter, VTOL, wherein access area of taking off (TLOF) needs of heliport Dynamic loading when helicopter landing is born, the requirement for structural strength is most stringent.It can be regarded by Fig. 1, heliport Access area of taking off be spliced by multiple modules 1 of mating formation, wherein mat formation module 1 include module body 10 and connection group of mating formation Part.

Following disclosure describe the multiple embodiments for 1 middle berth load connected components of module of mating formation.

Fig. 2 shows the stereoscopic schematic diagram for 1 one embodiments of module of mating formation, Fig. 3 shows module 1 one implementations of mating formation The schematic top plan view of mode.Incorporated by reference to Fig. 3, module of mating formation 1 includes module body 10 and connection component of mating formation referring to fig. 2, Connection component of wherein mating formation includes first component 11 and second component 12.Wherein, module body 10 is by multiple units 100 of mating formation Composition, each module body have connection side 101, and the angle between adjacent two connections side 101 is 120 degree, so that module The whole outer profile of ontology 10 is in regular hexagon.First component 11 has the first fixed edge 111, the first keyway 112 and the first notch 110；Correspondingly, second component 12 has the second fixed edge 121, the second keyway 122 and the second notch 120；In module sheet First component 11 and second component 12 are both provided on the every connection side 101 of body 10, first component 11 and second component 12 are distinguished It is alternately fixedly connected with when connecting 101 while 101 by the first fixed edge 111, the second fixed edge 121 with connecting, which connects Connecing can be is connected by way of fastener or welding.

Fig. 4 shows the stereoscopic schematic diagram mated formation under 1 connection status of module, and Fig. 5 shows the amplification signal of the portion A in Fig. 4 Figure.Further include connector 13 in 1 junction of module of mating formation incorporated by reference to referring to fig. 4 and Fig. 5, connector 13 include the first key 131, Second key 132 and the key connection portion 133 for connecting the first key 131 and the second key 132, under the assembled state for module 1 of mating formation, the One component 11 connects with second component 12, meanwhile, the first key 131 is placed in the first keyway 112, the second key 132 is placed in the second keyway 122, key connection portion 133 is incorporated into the first notch 110 and the second notch 120, thus by two 1 assembly and connections of module of mating formation.

Sliding locating part 14 is additionally provided in the first component 11 for module 1 of mating formation and second component 12, Fig. 6 shows cunning The stereoscopic schematic diagram of dynamic one embodiment of locating part, Fig. 7 show the stereoscopic schematic diagram of one embodiment of connector.It please tie It closes referring to fig. 4 to Fig. 7, sliding locating part 14 includes block tongue portion 141, accordingly, in the first key 131 and second of connector 13 Card slot 130 is also offered on key 132 respectively.Under the assembled state for module 1 of mating formation, block tongue portion 141 enters 131 He of the first key In the card slot 130 of second key 132, so that the first key 131 of limitation and the second key 132 are in corresponding first keyway 112, the second keyway Position in 122.Fig. 8 shows the stereoscopic schematic diagram of another embodiment of connector, can be regarded by Fig. 8, in connector 13 The opposite other end in 130 end of card slot is entered with block tongue portion 141 and is provided with hole, and such as spring elastic component can be set in hole, So that under the promotion of elastic component, the block tongue portion 141 under assembled state, which is kept, enters to the first key 131 and the second key 132 In card slot 130.Meanwhile sliding locating part 14 and can slide and separated with card slot 130 under external force, to allow the first key 131, the Two keys 132 take out from the first keyway 112, the second keyway 122 respectively, and then discharge the connection between module 1 of mating formation, so that paving It can be disassembled down each other for die-filling piece 1.

In one embodiment, card slot 130 is that the two sides of the first key 131 and the second key 132 are arranged in install Shi Wuxu judges that the direction of connector 13 can be inserted into.

Incorporated by reference to referring to fig. 4 and Fig. 7, in one embodiment, first component 11 also has and the first fixed edge 111 The first serrated edge 113 being oppositely arranged, the first keyway 112 are two that 113 both ends of the first serrated edge are arranged in；Accordingly, Two components 12 also have second serrated edge 123 opposite with the second fixed edge 121, and the second keyway 122 is to be arranged in the second tooth form Two of 123 both ends of side, under the assembled state for module 1 of mating formation, the first serrated edge 113 and the second serrated edge 123 are engaged each other. Meanwhile first keyway 112, the first notch 110 and the second keyway 122, the second notch 120 are spliced to form I-shaped slot, the first key 131, the second key 132 and key connection portion 133 are configured to I-shaped key.To which in the assembled state, I-shaped bond energy is enough placed to work In word slot, so that two movements mated formation between module 1 in horizontal direction are limited under assembled state, meanwhile, the first serrated edge 113 And second serrated edge 123 be engaged further limit under assembled state two movements mated formation between module 1 each other.Wherein, first Can be integral piece as shown in Figure 7 between key 131, the second key 132 and key connection portion 133, be also possible to parts processing it Afterwards by being formed by connecting.

Continuing with referring to Fig. 5 and Fig. 6, under an embodiment, also distinguish on first component 11 and second component 12 Be provided with the sliding slot for limit slippage locating part 14, sliding slot setting first component 11 and the inside of second component 12 and by Sliding slot lid 15 covers.Sliding slot extends and is pierced by the cell wall of the first keyway 112 or the second keyway 122, to allow block tongue portion 141 in bullet It is entered in corresponding first keyway 112 or the second keyway 122 under the action of property part.Guide groove is provided on sliding slot lid 15 150, sliding 14 top of locating part has the pillar 142 stretched out upwards, and pillar 142 is slidably matched with guide groove 150, so as to It is enough that sliding motion of the sliding locating part 14 in first component 11 and second component 12 is oriented to.

Fig. 9 shows the front schematic view of sliding 14 1 embodiments of locating part, in conjunction with referring to Fig. 8 and Fig. 9 it is found that 142 peripheral side of pillar of sliding locating part 14 is additionally provided with clamping face 143, pillar 142 and block tongue portion 141 to lead to after separately manufacturing It crosses and is threadedly coupled.When attached, can use tool clamping clamping face 143, by 142 lower thread portion of pillar screw in In block tongue portion 141, for the sliding locating part 14 of such setting during the manufacturing, die cost is lower, and manufacture craft is easy, It can be conveniently used among batch production.In an embodiment different from shown in Fig. 9, sliding locating part 14 is also possible to It is integrally formed, to simplify assembling.

Incorporated by reference to referring to Fig. 6 and Fig. 7, in one embodiment, the top of 141 end of block tongue portion has fillet, right Ying Di is also equipped with fillet in the lower part of connector 13, thus when the needs of connector 13 are placed into I-shaped slot, even The fillet of 13 lower part of fitting can play certain guiding role to block tongue portion 141, so that block tongue portion 141 is guided from card slot Deviate from 130, so that connector 13 is able to enter in I-shaped slot.

Continuing with referring to fig. 2, in one embodiment, all offered respectively on first component 11 and second component 12 Through-hole 128, so that first component 11 and second component 12 can reserve after connecting with module body 10 and mat formation Wiring space inside module 1.Simultaneously as first component 11, second component 12 only play connection in the heliport of surface Effect, can't be by too big dead load or dynamic loading during helicopter landing, therefore opening up for through-hole 128 can be with Do not reduce mat formation 1 overall structural strength of module under the premise of, mitigate the overall weight of module 1 of mating formation.

Following disclosure describe multiple embodiments of module body 10 in module 1 of mating formation.

Figure 10 is the stereoscopic schematic diagram of 100 1 embodiments of unit of mating formation in module body 10；Figure 11 is module sheet The front schematic view of 100 1 embodiments of unit of mating formation in body 10；Figure 12 is the three-dimensional signal after mating formation the assembling of unit 100 Figure；Figure 13 is the partial enlargement diagram mated formation at 100 assembly connection of unit.Incorporated by reference to referring to fig. 2 and Figure 10 to Figure 13, In one embodiment, unit 100 of mating formation includes top plate 101, bottom plate 102 and interconnecting piece 103, and interconnecting piece 103 is in list of mating formation Bottom plate 102 and top plate 101 are connected by the side on first 100 length directions shown in figure, meanwhile, mat formation unit 100 with The opposite other side of interconnecting piece 103 is an opening 104.Interconnecting piece 103 is after connection top plate 101 and bottom plate 102 along list of mating formation The thickness direction of member 100 inwardly receives one section, forms buckle 105, so that buckle 105 is inserted into opening 104, so that phase It is matched between adjacent two pieces of units 100 of mating formation.Figure 11 please be detailed in, multiple add is additionally provided between top plate 101 and bottom plate 102 Strengthening tendons item 106, so that dynamic loading and static load when the intensity for unit 100 of each mating formation can carry helicopter landing Lotus.

Please be detailed in Figure 12 and Figure 13, in one embodiment, each adjacent two mat formation unit 100 interconnecting piece 103 with And the edge of top plate 101, bottom plate 102 also correspondence offers hole, thus after buckle 105 is inserted into opening 104, Neng Goutong Fastener is crossed to fix top plate 101,102 phase of bottom plate.

Continuing with referring to fig. 2 and Figure 12, in one embodiment, top plate 101 is used to support the upper surface of helicopter It is additionally provided with the lines of convex or concave, so that support wheel is not easy to send out when helicopter is parked on the heliport of surface It is raw to skid.

In one embodiment, each of module body 10 unit 100 of mating formation is manufactured by aluminum alloy materials, from And its intensity enable to apply heliport take off access area when, be able to bear dynamic when helicopter takes off and lands Load and dead load.Meanwhile with module body 10 made of the material, while weight small with geometrical and toleranging Gently, so that the module 1 of mating formation after each assembling can be transported by the way of manual handling.

In one embodiment, unit 100 of mating formation is manufactured by extrusion forming, so as in bulk to list of mating formation Member 100 is manufactured, meanwhile, it ensure that material is each to the phase same sex on to greatest extent, compared to its work of the production of other modes Skill cost is lower.

Figure 14 is the stereoscopic schematic diagram of another embodiment of unit 100 of mating formation, and Figure 15 is another embodiment party of unit 100 that mats formation The side schematic view of formula, in one embodiment, top plate 101, bottom plate 102 and the multiple strengthening rib strips of unit 100 of mating formation Multiple channels are defined between 106, to provide the wiring space inside unit 100 of mating formation, air equipment 107 can be laid Among multiple channels.In some embodiments, air equipment 107 can be a kind of deicing/fire-fighting/light installations pipe Road, so as to use heliport under the not high environment of cold, visibility.Simultaneously as between unit 100 of mating formation can Dismantling connection so that without by Airport Surface carry out destroy air equipment can be replaced, thus reduce maintenance at Sheet and time.

In one embodiment, the design of unit 100 of each mating formation uses limited element analysis technique, so as to right Its structure farthest optimizes, and while to guarantee its structural strength, ensure that light-weighted design to the greatest extent It is required that reducing heliport itself to the dead load of pre-installation building body.

Figure 16 shows the stereoscopic schematic diagram for another embodiment of module 1 of mating formation, and Figure 17 shows the another realities of module 1 of mating formation Apply the stereoscopic schematic diagram of mode.Incorporated by reference to referring to Fig. 1, Fig. 2, Figure 16 and Figure 17, module body 10 can be after assembling as It is illustrated in fig. 2, be engaged the regular hexagon being spliced by multiple units 100 of mating formation, be also possible to such as Figure 16 and Figure 17 institute What is shown is engaged half of regular hexagon being spliced by multiple units 100 of mating formation, so that multiple modules 1 of mating formation can be as Mode shown in FIG. 1 is spliced, and forms surface heliport as shown in Figure 1.

In an embodiment different from shown in Fig. 2, Figure 16 and Figure 17, module body 10 is also possible to only by one A composition of unit 100 of mating formation, thus in assembling, the step of further saving assembling.

In one embodiment, the upper surface of surface heliport can also be coated with aerodrome identification sign, so that going straight up to Machine can quickly recognize the orientation on airport in landing.

Continuing with referring to fig. 2, in one embodiment, module of mating formation 1 adjacent two connects the outside of 101 joint of side Reinforcement elements 108 are additionally provided with, reinforcement elements 108 are connect with first component 11 and second component 12 respectively, thus to the first structure Connection between part 11 and second component 12 and module body 10 is reinforced.

Following disclosure describe the extracting tools being used cooperatively with connection component of mating formation in module 1 of mating formation.

When Figure 18 shows the first extracting tool and the second extracting tool and module of mating formation carries out under dismantlement work state Stereoscopic schematic diagram, Figure 19 shows the stereoscopic schematic diagram of first one embodiment of extracting tool, and Figure 20 shows second and tears open Unload the stereoscopic schematic diagram of one embodiment of tool.

Incorporated by reference to referring to Fig. 6, Figure 18 and Figure 19, in one embodiment, the top of pillar 142 from sliding slot projection simultaneously Expose from 150 top of guide groove, while the upper end of pillar 142 being provided with hole, accordingly, matched the first disassembly used Tool 2, which has, can extend into the protrusion 21 to hole, while the first extracting tool 2 further includes having elongated pull ring 22, so as to By cooperating protrusion 21 and pillar 142, then elongated pull ring 22 is pulled, it can be by the block tongue portion 141 for sliding locating part 14 from blocking It is pulled out in slot 130.In one embodiment, it is arranged in there are two 21 quantity of protrusion on the first extracting tool 2, so as to The sliding locating part 14 of two sides is pulled simultaneously.

In one embodiment, it is additionally provided with annular ring 23 on the elongated pull ring 22 of the first extracting tool 2, for bundling Upper marker, to prevent the loss of tool.

Incorporated by reference to referring to Fig. 6, Figure 18 and Figure 20, in one embodiment, the top of connector 13 is additionally provided with suitable In connecting the T-slot 134 used with the second extracting tool 3.Second extracting tool 3 includes disassembling part 31 and pull ring portion 32, The width of middle disassembling part 31 is less than the opening of T-slot 134, and the length of disassembling part 31 is greater than the opening of T-slot 134, so that disassembly Portion 31 rotates after being able to enter to T-slot 134, so that its long side connects with the two side arms of T-slot 134, draws so as to pass through Connector 13 is lifted up out by ring portion 32.

In one embodiment, it is also equipped with annular ring 23 in the pull ring portion 32 of the second extracting tool 3, for bundling Marker, to prevent the loss of tool.

Due to can be by quickly being loaded and unloaded under the cooperation of tool, so that heliport between module 1 of respectively mating formation It can quickly be assembled under occasion of meeting an urgent need, when carrying out the deployment of field takeoff access area, module of mating formation 1 and some construction institute The tool needed will transport construction site to by carrier.Means of conveyance are mainly highway transportation or helicopter hoisting transportation.Exhibition The place for opening deployment can be default place or random place.It need to will only mat formation module 1 in preset location when default place is built Mat formation, the geographical coordinate such as longitude, latitude and height above sea level on airport are measured after connection.In preset location deployment, airport Assembling time be less than 2 hours.When random place is built, the spacious place of selection is first had to, guarantees obstacle free airspace road area Domain does not have tall and big barrier.Secondly according to flying field safety standard requirement, the gradient on ground should be less than 5%.Determine construction Behind place, cleaning earth's surface sundries is first had to, such as biggish stone may influence the sundries that module is mated formation with other.Then according to upper The method stated in preset location construction constructs airport.Make to build in a short time in this way and meets civil aviaton flying field The access area of taking off of safety standard, while entity security area is not provided in airport, safety zone range is marked using coating on ground Note.

Although the utility model is disclosed as above with preferred embodiment, its be not for limiting the utility model, it is any Those skilled in the art without departing from the spirit and scope of the utility model, can make possible variation and modification.Cause This, all contents without departing from technical solutions of the utility model, according to the technical essence of the utility model to above embodiments institute Any modification, equivalent variations and the modification made, each fall within the protection scope that the utility model claims are defined.

Claims (8)

1. a kind of heliport takes off, access area is mated formation connection component characterized by comprising

First component has the first keyway and the first notch；

Second component has the second keyway and the second notch；

Connector, the key connection portion including the first key, the second key and connection first key and second key, described first Key and second key are respectively provided with card slot；And

In the first component, the respectively arranged sliding locating part of the second component, the sliding locating part is respectively provided with card Tongue；

Wherein, in the assembled state of the connection component of mating formation, first key is placed in first keyway, and second key is set Enter second keyway, the key connection portion is placed in first notch and second notch, to connect the first component With the second component；The first component, the second component the sliding locating part the block tongue portion respectively by bullet Property part keep enter first key and second key the card slot, to limit first key and second key right The position in first keyway and second keyway answered；

The sliding locating part can slide under external force with the exact separation, to allow first key, described second Key takes out from first keyway, second keyway, and then discharges the connection of the first component, the second component.

2. connection component of mating formation as described in claim 1, which is characterized in that the first component also has the first serrated edge, First serrated edge is provided with first keyway；

The second component also has the second serrated edge, and second serrated edge is provided with second keyway；

In the assembled state of the connection component of mating formation, first serrated edge and second serrated edge are engaged each other.

3. mating formation connection component as described in claim 1, which is characterized in that in the assembled state of the connection component of mating formation, First keyway, first notch and second keyway, second notch are spliced into I-shaped slot, correspondingly, described First key, second key, the key connection cage structure are at I-shaped key.

4. connection component of mating formation as described in claim 1, which is characterized in that divide in the first component, the second component It is not provided with the sliding slot for the sliding locating part to be arranged, the sliding slot extends and is pierced by first keyway or described second The cell wall of keyway, to allow the block tongue to enter corresponding first keyway or the second keyway.

5. connection component of mating formation as claimed in claim 4, which is characterized in that the sliding slot is covered by sliding slot lid, the sliding slot Lid has guide groove, and the sliding locating part has pillar, and the pillar is slidably matched with the guide groove, to the sliding The sliding of locating part is oriented to.

6. connection component of mating formation as claimed in claim 4, which is characterized in that the sliding locating part has pillar, described convex Column exposes from the sliding slot, is suitable for connecting with extracting tool.

7. connection component of mating formation as claimed in claim 3, which is characterized in that I-shaped key top is additionally provided with T-slot, described T-slot is suitable for connecting with extracting tool.

8. connection component of mating formation as described in claim 1, which is characterized in that divide in the first component, the second component Through-hole is not offered.