CN204531349U - Anti-drop device and attachment guide rail anti-falling lifting scaffold - Google Patents
Anti-drop device and attachment guide rail anti-falling lifting scaffold Download PDFInfo
- Publication number
- CN204531349U CN204531349U CN201520227036.3U CN201520227036U CN204531349U CN 204531349 U CN204531349 U CN 204531349U CN 201520227036 U CN201520227036 U CN 201520227036U CN 204531349 U CN204531349 U CN 204531349U
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- guide rail
- attachment
- main guide
- bearing frame
- arm
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Abstract
Anti-drop device of the present utility model and attachment guide rail anti-falling lifting scaffold; it comprises eccentric wheel, fixed bar, swing handle, extension spring and pulling parts; by pulling the stress balance of parts and extension spring under normal condition; stressed unbalance under fall condition; make eccentric wheel pin guide rail thus realize anti-fall effect, protect a kind of attachment guide rail anti-falling lifting scaffold being provided with this anti-drop device.
Description
Technical field
The utility model relates to attachment type raise scaffold field.
Background technology
Along with high-rise, skyscraper are constantly built, unit in charge of construction is to attachment type raise scaffold common requirements, because it is saved material, saves time, more safe and reliable than full hall frame.
But, there is shortcomings in most domestic attachment type raise scaffold at present.The first, guide rail is located on support body, is together elevated with support body, and attachment support monomer is stressed, and support body lifting is unstable.The second, its anti-fall principle is mounted in yaw on attachment support or star-wheel by the similar ladder guide rail contact of spring with attachment support body, and the setting of this structure, makes scaffold rise, and when declining, needing to take ancillary method, easily breaking down.For ensureing anti-fall effect, need to establish three anti-drop devices in same lifting seat in the plane, each anti-drop device validity only has 1/3rd.3rd, generally elevator is placed in inside support body, be fixed on (wall, beam, post) in building structure, therefore during support body lifting, support body center of gravity partially outside, support body flare, increases the frictional force of support body all movable parts, often cause attachment support deformation, cause derailing, guide rail deformation, attaching structure destroy, and shorten application life etc. of relevant elements.
Utility model content
Namely the technical problem that the utility model solves is providing a kind of effective anti-drop device of lifting false work and is being provided with the attachment guide rail anti-falling lifting scaffold of this anti-drop device.
The technological means that the utility model adopts is as described below.
The utility model protects a kind of anti-drop device, comprises: shell, and this shell is provided with guide-rail channel;
At least 2 eccentric wheels, it is divided into guide-rail channel both sides; At least 2 swing handles, the axle head of this swing handle is through eccentric core wheel and shell, and the round end of swing handle rotates around axle head is with movable eccentric wheel to rotate simultaneously; Fixed bar and extension spring, fixed bar is located on shell, and extension spring upper end is connected with the upper end of fixed bar, the round end of the lower end connection of rotating handle of extension spring; Pull parts, it connects the round end of each swing handle, and these pulling parts form contrary drag force with the elastic contractile force of extension spring.
The axle head of described swing handle is connected with the mode of eccentric core wheel by press-fit.
Also comprise through the guide rail in guide-rail channel, the minimum range outside eccentric wheel core wheel center to center distance eccentric wheel is less than the vertical distance of core wheel center to center distance guide rail, and the ultimate range outside eccentric wheel core wheel center to center distance eccentric wheel is greater than the vertical distance of core wheel center to center distance guide rail.
The utility model also protects a kind of attachment guide rail anti-falling lifting scaffold, comprises: support body, installs bearing frame bottom it, some main guide rail attachment supports, it disperses to be fixed on building structure up and down, each main guide rail attachment support arranges attachment support bindiny mechanism, also comprises main guide rail, and this main guide rail is fixed by described some attachment support bindiny mechanisms, bearing frame gaily decorated basket pull bar, its lower end is connected with bearing frame, and upper end is connected with the main guide rail attachment support above bearing frame, anti-drop device, it is installed on bearing frame, this anti-drop device comprises shell, swing handle, at least 2 eccentric wheels, fixed bar, extension spring and pulling parts, described main guide rail is through the guide-rail channel on shell, eccentric wheel is divided into this main guide rail both sides, minimum range outside eccentric wheel core wheel center to center distance eccentric wheel is less than the vertical distance of core wheel center to center distance main guide rail, ultimate range outside eccentric wheel core wheel center to center distance eccentric wheel is greater than the vertical distance of core wheel center to center distance main guide rail, the axle head of described swing handle is through eccentric core wheel and shell, the round end of swing handle rotates around axle head is with movable eccentric wheel to rotate simultaneously, described fixed bar is located on shell, extension spring upper end is connected with the upper end of fixed bar, the round end of extension spring lower end connection of rotating handle, pull parts to be connected with the round end of each swing handle, these pulling parts form contrary drag force with the elastic contractile force of extension spring, arm and electric block, arm is connected on main guide rail, and its position is at least higher than minimum main guide rail attachment support, and electric block is connected to bearing frame center and is elevated through arm suspending belt moving frame body by the chain that it is arranged, arm gaily decorated basket pull bar, its lower end is connected with arm, and upper end is connected with the main guide rail attachment support above arm, some anti-dumping attachment supports, it disperses to be fixed on building structure up and down, and it can be arranged in separately main guide rail attachment support upper strata or arrange with layer with main guide rail attachment support, anti-dumping attachment support establishes slide mechanism, also comprise the secondary guide rail be fixed on support body, this secondary guide rail relative sliding mechanism slides up and down.
The axle head of described swing handle is connected with the mode of eccentric core wheel by press-fit.
Described bearing frame is established bearing frame hangers, main guide rail attachment support is established main guide rail attachment support hangers, described bearing frame gaily decorated basket pull bar lower end is connected with bearing frame hangers, and upper end is connected with the main guide rail attachment support hangers above bearing frame.
Described arm establishes arm to bore a hole, and described arm gaily decorated basket pull bar lower end is connected with arm leading edge hole, and upper end is connected with the main guide rail attachment support hangers above arm.
Gravity sensor is established below described electric block.
Bearing frame is provided with the outstanding bearing frame base in one end, and described anti-drop device is installed on this bearing frame base.
Described support body is combined by vertical truss, interior vertical rod and scaffold floor and forms.
The beneficial effect that the utility model produces is as follows.
1, anti-drop device of the present utility model, the pulling parts other end is fixed the appropriate location with support body, pull that parts are stressed tightens, namely the stress balance of extension spring and pulling parts both direction makes swing handle and eccentric wheel keep not rotating, and now the main guide rail of lifting false work carries out normal lifting work.When special state and support body have fall tendency time, pull parts stressed reductions, extension spring is shunk, and drives swing handle and eccentric rotation, and the track that eccentric wheel will intert in it pins, and it is anti-fall effective, safe and reliable.
2, attachment guide rail anti-falling lifting scaffold of the present utility model, electric block is arranged at the center of bearing frame, make the center of gravity of electric block and support body in the heart, and simultaneously in conjunction with the anti-dumping attachment support of support body upper end and the anti-dumping effect of secondary guide rail, further ensure the vertical lifting of support body, promote the security performance used.
3, attachment guide rail anti-falling lifting scaffold of the present utility model, is elevated respectively by support body and guide rail, collaborative anti-tilt device, the stability of center of gravity when ensureing support body self and promote.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model attachment guide rail anti-falling lifting scaffold.
Fig. 2 is the integrally-built right side view of the utility model attachment guide rail anti-falling lifting scaffold.
Fig. 3 A is the main guide rail attachment support side-looking structure chart of the utility model attachment guide rail anti-falling lifting scaffold.
Fig. 3 B is the main guide rail attachment support plan structure figure of the utility model attachment guide rail anti-falling lifting scaffold.
Fig. 4 is the side-looking structure chart of the arm of the utility model attachment guide rail anti-falling lifting scaffold.
Fig. 5 is the enlarged drawing of circle interconnect structure in Fig. 1.
Fig. 6 A is the side-looking structure chart of the anti-dumping attachment support of the utility model attachment guide rail anti-falling lifting scaffold.
Fig. 6 B is the plan structure figure of the anti-dumping attachment support of the utility model attachment guide rail anti-falling lifting scaffold.
Fig. 7 A is the A-A ' cross-sectional schematic of anti-drop device of the present utility model.
Fig. 7 B is the schematic diagram of the A-A ' section of anti-drop device of the present utility model.
Fig. 8 A is the schematic top plan view of the bearing frame of the utility model attachment guide rail anti-falling lifting scaffold.
Fig. 8 B is the B-B ' generalized section of the bearing frame of the utility model attachment guide rail anti-falling lifting scaffold.
Detailed description of the invention
Incorporated by reference to Fig. 7 A and Fig. 7 B, a kind of anti-drop device of the utility model protection, comprises shell 34, is provided with guide-rail channel in it, and the width of this guide-rail channel can be through based on the parts of guide rail and fixed guide.Comprise at least 2 eccentric wheels 33, it is divided into the both sides of guide-rail channel 35, accordingly, comprise at least 2 swing handles 36, the axle head 361 of swing handle passes core wheel and the shell 34 of eccentric wheel 33, its mode by press-fit connects, namely the round end 362 of swing handle band movable eccentric wheel 33 while axle head 361 rotates rotates, the axle head 361 of this swing handle and round end 362 can be one-body molded when producing, also can separately produce, welded again during installation, can be selected according to the service condition of reality.Shell 34 is provided with fixed bar 37, fixed bar 37 upper end is connected with extension spring 38, the round end 362 of the lower end connection of rotating handle of extension spring 38, the round end 362 of above-mentioned each swing handle also connects pulling parts 39, the other end of general pulling parts can be connected on the article that prevent from falling, make to pull parts 39 and form contrary drag force with the elastic contractile force of extension spring 38, this pulling device can adopt solid durable steel cable or existing other materials.Also can establish in addition and mate the parts such as the detacher that uses with pulling device, it uses Install and configure according to reality.
In order to realize its anti-fall function, guide rail is through guide-rail channel 35, minimum range outside eccentric wheel core wheel center to center distance eccentric wheel is less than the vertical distance of core wheel center to center distance guide rail, and the ultimate range outside eccentric wheel core wheel center to center distance eccentric wheel is greater than the vertical distance of core wheel center to center distance guide rail.When normal condition, eccentric minimum range is relative, and guide rail can be moved up and down freely, and now, the elastic contractile force of extension spring 38 is equal with the drag force pulling parts, controls swing handle and keeps motionless state.The moment of falling, pulling parts relax, extension spring is shunk, drive swing handle 36 upwards, then movable eccentric wheel 33 is with to rotate, because the ultimate range outside eccentric wheel core wheel center to center distance eccentric wheel is greater than the vertical distance of core wheel center to center distance guide rail, therefore when eccentric wheel forwards certain angle to, guide rail can pin by two eccentric wheels, thus reaches anti-fall object.
Shown in composition graphs 1 and Fig. 2, the utility model also protects a kind of attachment guide rail anti-falling lifting scaffold, comprises support body, and this support body can be combined by vertical truss 6, interior vertical rod 7 and scaffold floor 8 and form.Shown in composition graphs 1, Fig. 8 A and Fig. 8 B, bearing frame 2 is installed in the bottom of its support body, above-mentioned anti-drop device 3 can be installed on this bearing frame 2, or this bearing frame 2 arranges the outstanding bearing frame base 20 in one end, and described anti-drop device 3 is installed on this bearing frame base 20.During original position as shown in the figure, bearing frame is placed in first floor.
Shown in composition graphs 1, Fig. 3 A and Fig. 3 B, attachment guide rail anti-falling lifting scaffold also comprises some main guide rail attachment supports 1, it disperses to be fixed on building structure up and down, its best mode as shown in the figure can at the above-mentioned main guide rail attachment support 1 of arranged outside one of building every layer, each main guide rail attachment support 1 is arranged attachment support bindiny mechanism for connecting main guide rail 5, attachment support bindiny mechanism can be two angle steel 17 and 18 arranged on the contrary, or other feasible modes, are not limited at this.When main guide rail attachment support 1 is fixed on building structure, main guide rail attachment support base plate 16 can be installed to reach fixing firm object between bearing and building structure.Preferred embodiment as shown in the figure, comprises 4 above-mentioned main guide rail attachment supports 1.
For ensureing the balance of bearing frame, if bearing frame gaily decorated basket pull bar 4, its lower end is connected with the bearing frame hangers 22 on bearing frame, and bearing frame gaily decorated basket pull bar 4 upper end is connected with the hangers 24 on the main guide rail attachment support above bearing frame, the main guide rail attachment support of the second layer position namely in Fig. 1.
Composition graphs 1, Fig. 4 and Fig. 5, main guide rail 5 is also provided with arm 25, and its position is at least higher than minimum main guide rail attachment support, and embodiment as shown in the figure, arm 25 is arranged on third layer.This arm is provided with arm perforation 26, and in the experiment and use procedure of reality, the leading section being arranged at arm 25 can be selected in the optimum position of this arm perforation 26.For ensureing the balance of arm, arrange arm gaily decorated basket pull bar 10, its lower end is connected with arm 26, it generally connects the leading section of arm, or to bore a hole with arm and 26 to be connected, upper end is connected with the hangers 24 of the main guide rail attachment support above arm, the main guide rail attachment support of the 4th layer of position namely in Fig. 1.
Also be provided with electric block 13 at bearing frame center, be elevated through arm suspending belt moving frame body by the chain that it is arranged.Because this electric block is located at the center of bearing frame, when the location-appropriate of arm, electric block drives the direction of support body lifting to be the center of support body, and straight up/downward direction, makes its vertical lifting not run-off the straight.Also gravity sensor 14 can be established below electric block 13.
In the upper end of support body, some anti-dumping attachment supports 12 are set, it disperses to be fixed on building structure up and down, and it can be arranged in separately main guide rail attachment support upper strata or arrange with layer with main guide rail attachment support 1, when anti-dumping attachment support 12 is fixed on building structure, anti-dumping attachment support base plate 30 can be installed to reach fixing firm object between bearing and building structure.Composition graphs 1, the embodiment shown in Fig. 6 A and Fig. 6 B, respectively arrange an anti-dumping attachment support 12 with the 4th layer and layer 5.Anti-dumping attachment support 12 establishes slide mechanism, support body is fixed with secondary guide rail 11 by secondary guide rail splice 27, this secondary guide rail 11 can relative sliding mechanism slide up and down.Described slide mechanism can as shown in Figure 6B, and adopt the cone pulley 29 at the bolt 28 that is oppositely arranged and edge slightly angle of inclination, secondary guide rail 11 adopts i iron, and cone pulley 19 is along i iron scroll-up/down thus coordinate freely being elevated of support body.
When above-mentioned main guide rail attachment support and anti-dumping attachment support are fixed on building structure, can fix to reach fixing firm object by base plate between bearing and building structure.
According to the structure of above-mentioned attachment guide rail anti-falling lifting scaffold of the present utility model, its working method is described below by reference to the accompanying drawings.
Main guide rail attachment support 1 is fixed in the building structure of first floor to the 4th layer by screw rod and nut 15, main guide rail 5 and arm 9 are fixed on main guide rail attachment support 1, anti-dumping attachment support 12 is individually fixed in the 4th layer and layer 5, support body, electric block 13, bearing frame 2, secondary guide rail 11 connect complete according to above-mentioned connected mode, now bearing frame 3 is positioned at first floor, and arm is positioned at third layer.Bearing frame gaily decorated basket pull bar 4 upper end connects the hangers of second layer main guide rail attachment support, and arm gaily decorated basket pull bar 10 upper end connects the hangers of the 4th layer of main guide rail attachment support.
During scaffold lifting, bearing frame gaily decorated basket pull bar 4 upper end is disassembled the appropriate location being fixed on support body, and now bearing frame is in free state, is controlled by intelligence control system, is that power blows slowly lifting frame body with electric block.When bearing frame by first floor to the second layer time, electric block is out of service, is connected, to be fixed by bearing frame bearing frame gaily decorated basket pull bar 4 upper end with the main guide rail attachment support hangers of third layer.Now the main guide rail attachment support 1 of first floor is pulled down, be arranged on layer 5.
After fixing bearing frame and support body, being disassembled arm gaily decorated basket pull bar 10 upper end is fixed on main guide rail, the junction of the second layer to two angle steel of the 4th layer is disconnected (removable screw nut or other modes) simultaneously, electric block is utilized to promote this main guide rail 5, same, be connected with main guide rail attachment support in the same manner described above after being promoted one deck, and arm gaily decorated basket pull bar 10 upper end is connected on the main guide rail attachment support 1 of layer 5.So far the running of rising one deck of lifting false work of the present utility model is completed.In the process, when the running of lifting false work is in normal condition, main guide rail 3 is in freely upper and lower state in anti-drop device 3 inside, scaffold is caused to drop when a certain link goes wrong, eccentric wheel tightly pins main guide rail 5, effectively prevent support body from falling, ensure that the safety that lifting false work uses.Said process can adopt existing intelligence control system to control the lifting of this scaffold.
When there being the demand risen or decline, the lifting of scaffold can be completed according to above-mentioned running.
Claims (10)
1. an anti-drop device, is characterized in that, comprises:
Shell (34), this shell (34) is provided with guide-rail channel (35);
At least 2 eccentric wheels (33), it is divided into guide-rail channel (35) both sides;
At least 2 swing handles (36), the axle head (361) of this swing handle is through eccentric core wheel and shell, and the round end (362) of swing handle rotates around axle head is with movable eccentric wheel to rotate simultaneously;
Fixed bar (37) and extension spring (38), fixed bar (37) is located on shell (34), and extension spring (38) upper end is connected with the upper end of fixed bar (37), the round end (362) of the lower end connection of rotating handle of extension spring (38);
Pull parts (39), it connects the round end (362) of each swing handle, and these pulling parts (39) form contrary drag force with the elastic contractile force of extension spring (38).
2. anti-drop device as claimed in claim 1, it is characterized in that, the axle head (361) of described swing handle is connected with the mode of eccentric core wheel by press-fit.
3. anti-drop device as claimed in claim 1, it is characterized in that, comprise through the guide rail in guide-rail channel (35), minimum range outside eccentric wheel core wheel center to center distance eccentric wheel is less than the vertical distance of core wheel center to center distance guide rail, and the ultimate range outside eccentric wheel core wheel center to center distance eccentric wheel is greater than the vertical distance of core wheel center to center distance guide rail.
4. an attachment guide rail anti-falling lifting scaffold, is characterized in that, comprises:
Support body, installs bearing frame (2) bottom it;
Some main guide rail attachment supports (1), it disperses to be fixed on building structure up and down, each main guide rail attachment support (1) arranges attachment support bindiny mechanism, also comprises main guide rail (5), this main guide rail (5) is fixed by described some attachment support bindiny mechanisms;
Bearing frame gaily decorated basket pull bar (4), its lower end is connected with bearing frame (2), and upper end is connected with the main guide rail attachment support above bearing frame;
Anti-drop device (3), it is installed on bearing frame (2), this anti-drop device (3) comprises shell (34), swing handle (36), at least 2 eccentric wheels (33), fixed bar (37), extension spring (38) and pulling parts (39), described main guide rail (5) is through the guide-rail channel (35) on shell, eccentric wheel (33) is divided into this main guide rail (5) both sides, minimum range outside eccentric wheel core wheel center to center distance eccentric wheel is less than the vertical distance of core wheel center to center distance main guide rail (5), ultimate range outside eccentric wheel core wheel center to center distance eccentric wheel is greater than the vertical distance of core wheel center to center distance main guide rail (5), the axle head (361) of described swing handle is through the core wheel of eccentric wheel (33) and shell, the round end (362) of swing handle rotates around axle head is with movable eccentric wheel (33) to rotate simultaneously, described fixed bar (37) is located on shell (34), extension spring (38) upper end is connected with the upper end of fixed bar (37), the round end (362) of extension spring (38) lower end connection of rotating handle, pull parts (39) to be connected with the round end (362) of each swing handle, these pulling parts (39) form contrary drag force with the elastic contractile force of extension spring (38),
Arm (25) and electric block (13), arm (25) is connected on main guide rail (5), its position is at least higher than minimum main guide rail attachment support, and electric block (13) is connected to bearing frame center and drives support body lifting by the chain that it is arranged through arm (25);
Arm gaily decorated basket pull bar (10), its lower end is connected with arm (25), and upper end is connected with the main guide rail attachment support above arm;
Some anti-dumping attachment supports (12), it disperses to be fixed on building structure up and down, and it can be arranged in separately main guide rail attachment support upper strata or arrange with layer with main guide rail attachment support, anti-dumping attachment support (12) establishes slide mechanism, also comprise the secondary guide rail (11) be fixed on support body, this secondary guide rail (11) relative sliding mechanism slides up and down.
5. attachment guide rail anti-falling lifting scaffold as claimed in claim 4, it is characterized in that, the axle head (362) of described swing handle is connected with the mode of eccentric core wheel by press-fit.
6. attachment guide rail anti-falling lifting scaffold as claimed in claim 4, it is characterized in that, described bearing frame is established bearing frame hangers (22), main guide rail attachment support is established main guide rail attachment support hangers (24), described bearing frame gaily decorated basket pull bar (4) lower end is connected with bearing frame hangers (22), and upper end is connected with the main guide rail attachment support hangers (24) above bearing frame.
7. attachment guide rail anti-falling lifting scaffold as claimed in claim 4, it is characterized in that, described arm (25) is established arm bore a hole (26), described arm gaily decorated basket pull bar (10) lower end bore a hole with arm (26) be connected, upper end is connected with the main guide rail attachment support hangers (24) above arm.
8. attachment guide rail anti-falling lifting scaffold as claimed in claim 4, it is characterized in that, gravity sensor (14) is established in described electric block (13) below.
9. attachment guide rail anti-falling lifting scaffold as claimed in claim 4, it is characterized in that, bearing frame (2) is provided with the outstanding bearing frame base (20) in one end, and described anti-drop device (3) is installed on this bearing frame base (20).
10. attachment guide rail anti-falling lifting scaffold as claimed in claim 4, is characterized in that, described support body is combined by vertical truss (6), interior vertical rod (7) and scaffold floor (8) and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227036.3U CN204531349U (en) | 2015-04-15 | 2015-04-15 | Anti-drop device and attachment guide rail anti-falling lifting scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227036.3U CN204531349U (en) | 2015-04-15 | 2015-04-15 | Anti-drop device and attachment guide rail anti-falling lifting scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204531349U true CN204531349U (en) | 2015-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520227036.3U Expired - Fee Related CN204531349U (en) | 2015-04-15 | 2015-04-15 | Anti-drop device and attachment guide rail anti-falling lifting scaffold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204531349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481061A (en) * | 2016-11-28 | 2017-03-08 | 湖南玖安模架工程技术有限公司 | Climbing frame |
-
2015
- 2015-04-15 CN CN201520227036.3U patent/CN204531349U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481061A (en) * | 2016-11-28 | 2017-03-08 | 湖南玖安模架工程技术有限公司 | Climbing frame |
| CN106481061B (en) * | 2016-11-28 | 2018-06-19 | 湖南玖安模架工程技术有限公司 | Climbing frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20200415 |