CN108222476A

CN108222476A - A kind of assembled architecture safe construction platform

Info

Publication number: CN108222476A
Application number: CN201810254216.9A
Authority: CN
Inventors: 唐水生
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-26
Filing date: 2018-03-26
Publication date: 2018-06-29

Abstract

The present invention relates to construction equipment technical fields, and disclose a kind of assembled architecture safe construction platform, including supporting rack, the inside of support frame as described above offers locating slot, the internal activity of the locating slot is socketed with locating piece, the side of the locating piece is fixedly connected with connecting rod, one end of the connecting rod is fixedly connected with transverse slat, the side of transverse slat is fixedly connected with No.1 construction plate, side at the top of No.1 construction plate is installed with fixed link, and the side of fixed link is flexibly connected by connector with the side of fence.The assembled architecture safe construction platform, pass through the cooperation of pulley, rope, winding plate and motor, the height of construction platform can be adjusted, avoid the trouble for needing to build in traditional construction, generation dangerous in build process is also avoided, reduces safety accident odds, while also avoids the trouble manually climbed during construction, working strength is reduced, improves the safety in work progress.

Description

A kind of assembled architecture safe construction platform

Technical field

The present invention relates to construction equipment technical field, specially a kind of assembled architecture safe construction platform.

Background technology

Construction refers to the production activity of engineering construction implementation phase, is the building course of all kinds of buildings, can also It says it is various lines on design drawing, becomes process in kind in specified place；It includes basic engineering construction, main body Structure construction, roof construction and decorative engineering construction etc., the place of construction operation are known as " construction site " or " construction Also building site is cried in scene "；Present building has certain height, and scaffold or double ladder are required to during construction Etc. construction platforms operated, therefore construction platform is one of most important auxiliary tool in construction.

And it is right, existing construction platform is built before use, and the higher height built of construction height is also more Height, safety accident odds also gradually rises therewith, while construction worker would generally be from the bottom of construction platform in construction Portion climbs to top and works, and there is the hidden danger that safety accident occurs.

Invention content

（One）The technical issues of solution

In view of the deficiencies of the prior art, the present invention provides a kind of assembled architecture safe construction platforms, and having can be convenient for adjusting Section height, avoids the trouble built, reduces safety accident odds, while can carry out telescopic adjustment convenient for moving It moves so that it can which the advantages that being suitable for a variety of different construction environments, improving the practicality, solves existing construction platform It is built before use, and with the raising for building height, safety accident odds also increases therewith, while by It is excessive in the volume of construction platform, it is difficult to adjust movement, need to be built again when in face of different construction environments so that The problem of the practicality is low.

（Two）Technical solution

For realize it is above-mentioned can be convenient for adjust height, avoid the trouble built, reduce safety accident odds, simultaneously It is easy to remove so that it can suitable for a variety of different construction environments can to carry out telescopic adjustment, improves the mesh of the practicality , the present invention provides following technical solution：A kind of assembled architecture safe construction platform, including supporting rack, support frame as described above Inside offers locating slot, and the internal activity of the locating slot is socketed with locating piece, and the side of the locating piece is fixedly connected with Connecting rod, one end of the connecting rod are fixedly connected with transverse slat, and the side of the transverse slat is fixedly connected with No.1 construction plate, described Side at the top of No.1 construction plate is installed with fixed link, and the side of the fixed link is lived by the side of connector and fence Dynamic connection, the front of the fence are installed with movable axis, and the bottom of the fence is installed with idler wheel, and the idler wheel is lived The dynamic inside for being socketed in sliding slot, the sliding slot are opened in the front of No.1 construction plate, and the positive side of No.1 construction plate leads to It crosses hinge to be flexibly connected with No. two positive sides of construction plate, the front of No. two constructions plate is installed with movable button, institute The one end for stating movable button is threadedly coupled by fixing bolt with the front of No.1 construction plate, and the top of support frame as described above side, which is fixed, to be connected Sunpender is connected to, the bottom of the sunpender is fixedly connected with fixed plate, and the side movable sleeve of the fixed plate is connected to motion bar, described The external stability of motion bar is socketed with pulley, and the outside of the pulley is wound with rope, and one end of the rope is fixedly connected on The top of transverse slat, for the other end of the rope wound on the outside of winding plate, the inside fixing sleeve of the winding plate is connected to rotation Axis, one end of the rotary shaft are fixedly attached on the output shaft of motor, and the motor is fixedly mounted on the top of bearing plate, institute The bottom of bearing plate is stated by being fixedly connected at the top of damping device and pedestal, the front of the pedestal offers No. two activities Slot, the internal activity of No. two loose slots are socketed with movable plate, the positive front for passing through bolt and pedestal of the movable plate It is threadedly coupled, and the front of movable plate offers screw hole.

Preferably, the side of the No.1 construction plate and the side of transverse slat are mutually perpendicular to, and No.1 construction plate is applied with No. two Work plate is equal in magnitude, and the area value of the No.1 construction plate is equal with the area value of No. two construction plates, and No.1 construction plate and two Number construction plate between be mutually parallel.

Preferably, the connector includes link block, and the side of the link block is fixedly connected with the side of fixed link, and The internal activity of link block is socketed with bolt, and the bottom of the bolt is sequentially connected by the top of No.1 spring and link block, The No.1 spring is actively socketed on the outside of bolt.

Preferably, the side of the fence is fixedly connected with link block, and the length value of fence be less than No.1 construction plate and The summation of No. two construction plate length values, the fence are located at the top of No.1 construction plate and No. two construction plates, and the height of fence Value is equal with the height value of movable axis.

Preferably, the pulley is located at the middle part of motion bar, and is mutually parallel between pulley and fixed plate, the pulley Diameter value is more than the length value of fixed plate, and the top of pulley is not contacted with the bottom of sunpender.

Preferably, the winding plate is located at the middle part on pedestal top, and winding plate is located at the lower section of pulley, the winding plate With pulley on same straight line, and it is mutually parallel between winding plate and pulley.

Preferably, the damping device includes mobile bar, and the top of the mobile bar is fixedly connected with the bottom of bearing plate, And mobile bar is actively socketed on the inside of fixing sleeve, the side of the mobile bar bottom is fixedly connected with movable block, the activity Block is actively socketed on the inside of No.1 loose slot, and the top of movable block is driven by the inner wall of No. two springs and fixing sleeve and connected It connects.

Preferably, No. two springs are located at the inside of No.1 loose slot, and the both ends of No. two springs respectively with movable block Top and the inner wall of fixing sleeve be mutually perpendicular to.

Preferably, the bottom end of the bolt and the front of pedestal are mutually perpendicular to, and the quantity of bolt is two, described in two Bolt it is equal in magnitude, and be mutually parallel between two bolts, two bolts are adapted with screw hole.

（Three）Advantageous effect

Compared with prior art, the present invention provides a kind of assembled architecture safe construction platform, has following advantageous effect：

1st, the assembled architecture safe construction platform by the cooperation of link block, bolt and No.1 spring, can carry out fence It is fixed, and then can safety guarantee be provided to construction personnel in the construction process, the generation of safety accident is avoided, is passed through simultaneously The cooperation of movable axis and idler wheel can shrink fence so that fence can be collected after construction, and then Convenient for subsequently carrying out contraction adjusting to construction platform.

2nd, the assembled architecture safe construction platform, can be to applying by the cooperation of pulley, rope, winding plate and motor The height of work platform is adjusted, and avoids the trouble for needing to build in traditional construction, also avoids dangerous in build process Occur, reduce safety accident odds, while also avoid the trouble manually climbed during construction, it is strong to reduce work Degree, improves the safety in work progress.

3rd, the assembled architecture safe construction platform, can be in order to one by the cooperation of hinge, movable button and fixing bolt Number carry out activity and fixation between construction plate and No. two construction plates, and then carries out contraction adjusting, while can also to construction platform No.1 construct plate and No. two construction plates between combine more securely, avoid shaking in the construction process, it is ensured that construction The stability of platform.

4th, the assembled architecture safe construction platform, passes through mobile bar, fixing sleeve, movable block, No.1 loose slot and No. two The cooperation of spring can carry out damping, caused by avoiding the vibrations because of motor to construction platform during motor works to it Shake, so as to influence the operation of construction personnel, while also avoid generating a panic to the psychology of construction personnel, it is ensured that construction it is suitable Profit carries out.

5th, the assembled architecture safe construction platform, can by the cooperation of No. two loose slots, movable plate, bolt and screw hole In order to carry out telescopic adjustment to construction platform, avoid being difficult to move because construction platform volume is excessive, it is caused to be not applied for Different construction environments, while also avoid, because of execution conditions difference, needing the trouble built again, improving construction platform Practicability.

Description of the drawings

Fig. 1 is structure front schematic view of the present invention；

Fig. 2 is structural side view of the present invention；

Fig. 3 is the vertical view of structure No.1 of the present invention construction plate；

Fig. 4 is close-up schematic view at the A of structure chart 1 of the present invention；

Fig. 5 is close-up schematic view at the B of structure chart 2 of the present invention.

In figure：1 supporting rack, 2 locating slots, 3 locating pieces, 4 connecting rods, 5 transverse slats, 6 No.1s construction plate, 7 fixed links, 8 connections Device, 81 link blocks, 82 bolts, 83 No.1 springs, 9 fences, 10 movable axis, 11 idler wheels, 12 sliding slots, 13 hinges, 14 No. two constructions Plate, 15 movable buttons, 16 fixing bolts, 17 sunpenders, 18 fixed plates, 19 motion bars, 20 pulleys, 21 ropes, 22 winding plates, 23 rotations Axis, 24 motors, 25 bearing plates, 26 damping devices, 261 mobile bars, 262 fixing sleeves, 263 movable blocks, 264 No.1 loose slots, 265 No. two springs, 27 pedestals, 28 No. two loose slots, 29 movable plates, 30 bolts, 31 screw holes.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment shall fall within the protection scope of the present invention.

- 5 are please referred to Fig.1, a kind of assembled architecture safe construction platform, including supporting rack 1, the inside of supporting rack 1 opens up There is locating slot 2, the internal activity of locating slot 2 is socketed with locating piece 3, and the side of locating piece 3 is fixedly connected with connecting rod 4, connection One end of bar 4 is fixedly connected with transverse slat 5, and the side of transverse slat 5 is fixedly connected with No.1 construction plate 6, the side of No.1 construction plate 6 with The side of transverse slat 5 is mutually perpendicular to, and No.1 construction plate 6 with No. two construction plates 14 it is equal in magnitude, No.1 construction plate 6 area value and The area value of No. two construction plates 14 is equal, and is mutually parallel between No.1 construction plate 6 and No. two construction plates 14, can be in construction Splicing installation is carried out under the cooperation of hinge 13, movable button 15 and fixing bolt 16 in the process, and then is applied convenient for construction personnel Work operate, and No.1 construction plate 6 with No. two construct plates 14 material be stainless steel material, it is ensured that construction platform it is firm Property, the side at No.1 construction plate 6 top is installed with fixed link 7, and the side of fixed link 7 passes through the one of connector 8 and fence 9 Side is flexibly connected, and connector 8 includes link block 81, and the side of link block 81 is fixedly connected, and link block with the side of fixed link 7 81 internal activity is socketed with bolt 82, and the bottom of bolt 82 is sequentially connected by the top of No.1 spring 83 and link block 81, No.1 spring 83 is actively socketed on the outside of bolt 82, can make bolt 82 No.1 spring 83 elastic force effect under with link block 81 close engagings, ensure that combined between fence 9 and fixed link 7 more securely, improve the stability of fence 9, enclose The front on column 9 is installed with movable axis 10, and the side of fence 9 is fixedly connected with link block 81, and the length value of fence 9 is less than The summation of No.1 construction plate 6 and No. two construction 14 length values of plate, fence 9 are located at No.1 construction plate 6 and No. two the upper of plate 14 of constructing Side, and the height value of fence 9 is equal with the height value of movable axis 10, can play guarantor to construction personnel during construction Shield acts on, and avoids the generation of safety accident, while can also carry out telescopic adjustment to fence 9, after construction convenient for pair Fence 9 is collected, and subsequently construction platform is adjusted so as to ensure that, the bottom of fence 9 is installed with idler wheel 11, rolling Wheel 11 is actively socketed on the inside of sliding slot 12, and sliding slot 12 is opened in the front of No.1 construction plate 6, No.1 construction plate 6 positive one Side is flexibly connected by hinge 13 with No. two 14 positive sides of construction plate, and the front of No. two construction plates 14 is installed with activity Button 15, one end of movable button 15 are threadedly coupled by fixing bolt 16 with the front of No.1 construction plate 6, the top of 1 side of supporting rack Sunpender 17 is fixedly connected with, the bottom of sunpender 17 is fixedly connected with fixed plate 18, and the side movable sleeve of fixed plate 18 is connected to activity Bar 19, the external stability of motion bar 19 are socketed with pulley 20, and pulley 20 is located at the middle part of motion bar 19, and pulley 20 and fixed plate It is mutually parallel between 18, the diameter value of pulley 20 is more than the length value of fixed plate 18, and the top of pulley 20 and the bottom of sunpender 17 Portion does not contact, and can ensure that transverse slat 5 can stablize rising in the process for adjusting construction platform height, avoid during rising Appearance is shaken or is tilted, and ensure that personal safety of the construction personnel in uphill process, and the outside of pulley 20 is wound with rope 21, One end of rope 21 is fixedly connected on the top of transverse slat 5, and the other end of rope 21 is wound on the outside of winding plate 22, winding plate 22 Positioned at the middle part on 27 top of pedestal, and winding plate 22 is located at the lower section of pulley 20, and winding plate 22 is with pulley 20 in same straight line On, and be mutually parallel between winding plate 22 and pulley 20, the height of construction platform can be adjusted, avoid traditional construction The trouble set for this platform is needed in the process, while also avoids the generation of safety accident in build process, reduces safety accident Odds, the inside fixing sleeve of winding plate 22 are connected to rotary shaft 23, and one end of rotary shaft 23 is fixedly attached to motor 24 On output shaft, motor 24 is fixedly mounted on the top of bearing plate 25, and the bottom of bearing plate 25 passes through damping device 26 and pedestal 27 Top be fixedly connected, damping device 26 includes mobile bar 261, and the bottom of the top of mobile bar 261 and bearing plate 25, which is fixed, to be connected It connects, and mobile bar 261 is actively socketed on the inside of fixing sleeve 262, the side of 261 bottom of mobile bar is fixedly connected with movable block 263, movable block 263 is actively socketed on the inside of No.1 loose slot 264, and the top of movable block 263 by No. two springs 265 with The inner wall of fixing sleeve 262 is sequentially connected, and can carry out damping to it during motor 24 works, avoid because of the shake of motor 24 It is dynamic that construction platform is caused to shake, so as to influence the operation of construction personnel, while also avoid that the psychology of construction personnel is caused to fear Unbearably, it is ensured that construction is smoothed out, and No. two springs 265 are located at the inside of No.1 loose slot 264, and the two of No. two springs 265 The inner wall respectively with the top of movable block 263 and fixing sleeve 262 is held to be mutually perpendicular to, movable block 263 can be made in No. two springs 265 Elastic force effect it is lower move, so as to which mobile bar 261 be made to be moved in the vertical direction, it is ensured that bearing plate 25 can be stablized It is mobile, and then ensure the effect of damping, the front of pedestal 27 offers No. two loose slots 28, and the inside of No. two loose slots 28 is lived Dynamic to be socketed with movable plate 29, the front of movable plate 29 is threadedly coupled by bolt 30 with the front of pedestal 27, the bottom end of bolt 30 It is mutually perpendicular to the front of pedestal 27, and the quantity of bolt 30 is two, equal in magnitude, and two bolts 30 of two bolts 30 Between be mutually parallel, two bolts 30 are adapted with screw hole 31, can in order to construction platform carry out telescopic adjustment, avoid because Construction platform volume is excessive to be difficult to move, it is caused to be not applied for different construction environments, while is also avoided because of item of constructing Part is different, needs the trouble built again, improves the practicability of construction platform, and the front of movable plate 29 offers screw hole 31。

During work, bolt 30 is rotated first, is pulled movable plate 29 that the width of pedestal 27 is adjusted, is rotated further by fixing bolt 16 pairs of No.1 construction plates 6 and No. two construction plates 14 are fixed, while pull bolt 82, make bolt 82 in the bullet of No.1 spring 83 Power effect is lower to be engaged, and then fence 9 is fixed with link block 81, is then opened motor 24, is rotated winding plate 22, pulls Rope 21 makes transverse slat 5 move in the vertical direction, and then adjusts the height of construction, while movable block 263 is in No. two springs 265 It is moved under elastic force effect, mobile bar 261 is driven to do back and forth movement in the vertical direction, and then damping is carried out to motor 24.

In conclusion the assembled architecture safe construction platform, passes through matching for link block 81, bolt 82 and No.1 spring 83 It closes, fence 9 can be fixed, and then safety guarantee can be provided to construction personnel in the construction process, avoid safety The generation of accident, while by the cooperation of movable axis 10 and idler wheel 11, fence 9 can be shunk so that it can construct After fence 9 is collected, and then convenient for subsequently carrying out contraction adjusting to construction platform；By pulley 20, rope 21, twine The height of construction platform can be adjusted in the cooperation of winding board 22 and motor 24, and avoiding needs what is built in traditional construction It is troublesome, when also avoiding generation dangerous in build process, reduce safety accident odds, while also avoiding construction The trouble manually climbed, reduces working strength, improves the safety in work progress；Pass through hinge 13,15 and of movable button The cooperation of fixing bolt 16, can be in order to carry out activity and fixation between plate 6 and No. two construction plates 14 of constructing to No.1, and then to applying Work platform carries out contraction adjusting, at the same can also be combined between No.1 construction plate 6 and No. two construction plates 14 more securely, avoid It shakes in the construction process, it is ensured that the stability of construction platform；Pass through mobile bar 261, fixing sleeve 262, movable block 263rd, the cooperation of No.1 loose slot 264 and No. two springs 265 can carry out damping to it during motor 24 works, keep away It shakes caused by exempting from the vibrations because of motor 24 to construction platform, so as to influence the operation of construction personnel, while also avoids to constructor The psychology of member generates a panic, it is ensured that construction is smoothed out；Pass through No. two loose slots 28, movable plate 29, bolt 30 and screw hole 31 cooperation can avoid being difficult to move because construction platform volume is excessive, lead to it in order to carry out telescopic adjustment to construction platform Different construction environments is not applied for, while also avoids, because of execution conditions difference, needing the trouble built again, improving The practicability of construction platform solves existing construction platform and is built before use, and with the liter for building height Height, safety accident odds also increase therewith, simultaneously because the volume of construction platform is excessive, it is difficult to movement are adjusted, in face It needs to be built again during to different construction environments so that the problem of the practicality is low.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment Intrinsic element.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims

1. a kind of assembled architecture safe construction platform, including supporting rack（1）, it is characterised in that：Support frame as described above（1）Inside Offer locating slot（2）, the locating slot（2）Internal activity be socketed with locating piece（3）, the locating piece（3）Side consolidate Surely it is connected with connecting rod（4）, the connecting rod（4）One end be fixedly connected with transverse slat（5）, the transverse slat（5）Side fix It is connected with No.1 construction plate（6）, the No.1 construction plate（6）The side at top is installed with fixed link（7）, the fixed link （7）Side pass through connector（8）With fence（9）Side flexible connection, the fence（9）Front be installed with activity Axis（10）, the fence（9）Bottom be installed with idler wheel（11）, the idler wheel（11）It is actively socketed on sliding slot（12）It is interior Portion, the sliding slot（12）It is opened in No.1 construction plate（6）Front, the No.1 constructs plate（6）Positive side passes through hinge （13）With No. two construction plates（14）Positive side flexible connection, No. two constructions plate（14）Front be installed with activity Button（15）, the movable button（15）One end pass through fixing bolt（16）With No.1 construction plate（6）Front be threadedly coupled, the branch Support（1）Sunpender is fixedly connected at the top of side（17）, the sunpender（17）Bottom be fixedly connected with fixed plate（18）, institute State fixed plate（18）Side movable sleeve be connected to motion bar（19）, the motion bar（19）External stability be socketed with pulley （20）, the pulley（20）Outside be wound with rope（21）, the rope（21）One end be fixedly connected on transverse slat（5）Top Portion, the rope（21）The other end wound on winding plate（22）Outside, the winding plate（22）Inside fixing sleeve be connected to Rotary shaft（23）, the rotary shaft（23）One end be fixedly attached to motor（24）Output shaft on, the motor（24）It is fixed Mounted on bearing plate（25）Top, the bearing plate（25）Bottom pass through damping device（26）With pedestal（27）Top consolidate Fixed connection, the pedestal（27）Front offer No. two loose slots（28）, No. two loose slots（28）Internal activity set It is connected to movable plate（29）, the movable plate（29）Front pass through bolt（30）With pedestal（27）Front be threadedly coupled, and move Movable plate（29）Front offer screw hole（31）.

2. a kind of assembled architecture safe construction platform according to claim 1, it is characterised in that：The No.1 construction plate （6）Side and transverse slat（5）Side be mutually perpendicular to, and No.1 construction plate（6）With No. two construction plates（14）It is equal in magnitude, it is described No.1 construction plate（6）Area value and No. two construction plates（14）Area value it is equal, and No.1 construction plate（6）With No. two construction plates （14）Between be mutually parallel.

3. a kind of assembled architecture safe construction platform according to claim 1, it is characterised in that：The connector（8） Including link block（81）, the link block（81）Side and fixed link（7）Side be fixedly connected, and link block（81）It is interior Portion's movable sleeve is connected to bolt（82）, the bolt（82）Bottom pass through No.1 spring（83）With link block（81）Top transmission Connection, the No.1 spring（83）It is actively socketed on bolt（82）Outside.

4. a kind of assembled architecture safe construction platform according to claim 1, it is characterised in that：The fence（9）'s Side is fixedly connected with link block（81）, and fence（9）Length value be less than No.1 construct plate（6）With No. two construction plates（14）It is long The summation of angle value, the fence（9）Positioned at No.1 construction plate（6）With No. two construction plates（14）Top, and fence（9）Height Value and movable axis（10）Height value it is equal.

5. a kind of assembled architecture safe construction platform according to claim 1, it is characterised in that：The pulley（20）Position In motion bar（19）Middle part, and pulley（20）With fixed plate（18）Between be mutually parallel, the pulley（20）Diameter value it is big In fixed plate（18）Length value, and pulley（20）Top and sunpender（17）Bottom do not contact.

6. a kind of assembled architecture safe construction platform according to claim 1, it is characterised in that：The winding plate（22） Positioned at pedestal（27）The middle part on top, and winding plate（22）Positioned at pulley（20）Lower section, the winding plate（22）With pulley （20）On same straight line, and winding plate（22）With pulley（20）Between be mutually parallel.

7. a kind of assembled architecture safe construction platform according to claim 1, it is characterised in that：The damping device （26）Including mobile bar（261）, the mobile bar（261）Top and bearing plate（25）Bottom be fixedly connected, and mobile bar （261）It is actively socketed on fixing sleeve（262）Inside, the mobile bar（261）The side of bottom is fixedly connected with movable block （263）, the movable block（263）It is actively socketed on No.1 loose slot（264）Inside, and movable block（263）Top pass through No. two springs（265）With fixing sleeve（262）Inner wall be sequentially connected.

8. a kind of assembled architecture safe construction platform according to claim 7, it is characterised in that：No. two springs （265）Positioned at No.1 loose slot（264）Inside, and No. two springs（265）Both ends respectively with movable block（263）Top and Fixing sleeve（262）Inner wall be mutually perpendicular to.

9. a kind of assembled architecture safe construction platform according to claim 1, it is characterised in that：The bolt（30）'s Bottom end and pedestal（27）Front be mutually perpendicular to, and bolt（30）Quantity for two, two bolts（30）Size phase Deng, and two bolts（30）Between be mutually parallel, two bolts（30）And screw hole（31）It is adapted.