CN103628665A - Overall hoisting scaffold force feedback type anti-dropping locking mechanism - Google Patents
Overall hoisting scaffold force feedback type anti-dropping locking mechanism Download PDFInfo
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- CN103628665A CN103628665A CN201310697129.8A CN201310697129A CN103628665A CN 103628665 A CN103628665 A CN 103628665A CN 201310697129 A CN201310697129 A CN 201310697129A CN 103628665 A CN103628665 A CN 103628665A
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Abstract
The invention discloses an overall hoisting scaffold force feedback type anti-dropping locking mechanism. A main shaft is sleeved outside a central rod; a spring is arranged between the central rod and the main shaft; a locking rotating wheel is sleeved on outer shaft sleeves of left and right swinging arms; outer teeth are arranged on the outer circumference of the main shaft; the outer teeth are meshed with inner teeth arranged on the inner cavity wall of the locking rotating wheel; the left and right swinging arms are connected with the main shaft; the left and right swinging arms can be driven to rotate when the main shaft rotates; transverse locking press blocks are arranged at the upper ends of the swinging arms; the locking press blocks are capable of pressing left and right guide channel steel; the locking rotating wheel is matched and connected with the main frame so as to limit the ascending and descending of the vertical main frame; the meshing state between the main shaft and the locking rotating wheel is cancelled through an unlocking device. The locking mechanism can automatically locks up when accidents happen no matter in static operation or hoisting operation, and the locking mechanism can immediately locks up within a very short time, so that a whole scaffold body can be immediately prevented from falling and can be stopped after sliding downwards for a very short distance, the security property is improved, and security accidents are prevented.
Description
Technical field
The present invention relates to a kind of safeguard construction of integral lifting scaffold---anti-falling locking mechanism, especially integral lifting scaffold force feedback type anti-falling locking mechanism.
Background technology
At building field, especially middle-high building, in construction, extensively adopt integral lifting scaffold, be called for short climbing frame, the outer protection as building periphery, is arranged on body of wall by wall-attached supporting seat, by electric block, drive its rising or decline, building is carried out to outer construction of prevention work, and in the practical application of climbing frame, the anti-falling locking mode of main flow has following two kinds.
A kind of is anti-fall push rod form, climbing frame is when moving up and down, manually allow anti-fall push rod depart from anti-fall tooth or anti-fall rod, climbing frame can normally be moved up and down, climbing frame is when static operation, manual operation heads on anti-fall tooth by anti-fall push rod or puts pendant rod, climbing frame is fixed on to Around Buildings, if climbing frame runs into when electric block ruptures or electric block does not stress in decline process, flip flop equipment allows anti-fall push rod reset and heads on anti-fall tooth or put pendant rod, prevent the tenesmus of support body, this mode is anti-fall reliable, anti-fall distance is anti-fall tooth or puts the spacing that pendant is excellent, be generally 80mm, weak point is: hard impact occurs when anti-fall, impact force is large, after completing, each lifting need the position of manually adjusting anti-fall push rod just can lock support body.
Another kind is the anti-fall mode of stall, climbing frame is in the velocity interval of setting during lifting, anti-drop device passes through by it, once lapse rate has surpassed the speed of design, there is the stuck and stop motion of machinery in anti-drop device, what utilize is the fixing principle of bobbing frequency, be that lapse rate is while surpassing bobbing speed, there is machinery stuck, safety belt on car is exactly this principle of use, weak point is, this kind of anti-fall distance of mode depends on that decline starts to reach this section of stroke of triggering speed, anti-fall distance is oversize, it is said that anti-fall distance is more than 200mm, if tenesmus at a slow speed, anti-fall distance is longer, when the static operation of climbing frame, need to adopt other modes to lock support body, such as modes such as push rod or latches.
Summary of the invention
The invention provides a kind of anti-falling locking mechanism of force feedback type, is the hard novel overall lifting false work anti-falling locking mechanism that impact, that simplify the operation of a kind of reliable, anti-fall nothing.
Integral lifting scaffold force feedback type anti-falling locking mechanism, is arranged on integral lifting scaffold wall-attached supporting seat, matches with the vertical main framework of integral lifting scaffold; Vertical main framework is fixed by wall-attached supporting seat and building, it is characterized in that: comprise left and right locking guide pad, center-pole, main shaft, locking runner, the swing arm of two of left and right, spring, left and right guide pin bushing; Left and right on wall-attached supporting seat locking guide pad snaps in the groove of left and right two blocks of guiding channel-section steels of vertical main framework, and collar bush is in center-pole outside, and spring is arranged between center-pole and main shaft, and spring action, on main shaft, can reset it after moving axially; Locking rotaring wheeling sleeve is on the outer shaft of two swing arms in left and right, and the outer peripheral face of main shaft is provided with external tooth, is meshed with the internal tooth arranging on locking runner internal chamber wall; Main shaft support also can move axially on wall-attached supporting seat; Left and right swing arm is connected with main shaft, and main shaft can drive horizontal swinging arm to rotate while rotating; In left and right, two swing arm endoporus move axially main shaft again, and in left and right, two swing arm upper ends are provided with horizontal locking briquetting, and locking briquetting is pressed on the guiding channel-section steel of two blocks of left and right after swing arm is rotated;
Locking runner and vertical main framework are connected, and at the inside and outside tooth of locking runner and main shaft, mesh and during in locking state, limit rising or the decline of vertical main framework; At the inside and outside tooth of locking runner and main shaft, depart from engagement and during in released state, vertical main framework drives locking runner to dally when rising or decline;
Be arranged on the tripper on wall-attached supporting seat, when release, to axial force of main shaft, make its elastic force that overcomes spring, promote main shaft and move axially, make the external tooth of main shaft and the internal tooth of locking runner free engagement, the state in release.
Further feature is: described locking runner and the vertical main framework structure that is connected, it is horizontally set runner rod between two guiding channel-section steels on vertical main framework, runner rod is several that be arranged in parallel, along guiding channel-section steel, is arranged above and below, and the tooth of locking rotor periphery and runner rod mesh.
Described tripper, is a lever, by shipping and reselling on another market, is connected to turnably on wall-attached supporting seat, and its lower end is connected with wire rope or pull bar, and the upper end of tripper is pressed on main shaft, or is pressed on the solution lock barrel contacting with main shaft; When lever stress rotates around shipping and reselling on another market, drive main shaft to be moved to the left, Compress Spring, now main shaft release with locking inside and outside tooth that runner is meshed in released state.
Between the swing arm of two of left and right, middleware is set, and vertical rotating shaft is set on middleware, locking briquetting encloses and rotates around the axis.
On middleware, with respect to the opposite side of locking briquetting, buffering is set and draws spring, buffering draws spring to active force away from two blocks of guiding channel-section steels of locking briquetting.
One end of buffer spring is connected on middleware, and the other end is connected on wall-attached supporting seat.
Integral lifting scaffold force feedback type anti-falling locking of the present invention mechanism, with respect to prior art, has following features:
1, climbing frame is when rising or decline, the lifting chain of electric block and relevant to hang parts stressed, hang with relevant the stressed swing of tripper that parts are connected to this lifting chain, promoting main shaft is separated from locking runner, the no longer rotation of restriction locking runner, when the vertical main framework on climbing frame moves up and down, the just idle running of locking runner, does not stop moving up and down of climbing frame; And chain breakage or hang parts and can not bear climbing frame gravity and lose efficacy or electric block lost efficacy, now tripper is not subject to External Force Acting, main shaft is under the promotion of spring, with the engagement of locking runner, vertical main framework on climbing frame moves downward the rotation that drives locking runner, locking driven by rotating wheel main shaft rotates, main shaft drives swing arm to swing, locking briquetting in swing arm touches after vertical main framework is eliminated gap and stops, now locking runner also stops, can stop vertical main framework to move downward, whole climbing frame is locked in this position.
2, force feedback type automatic locking mechanism of the present invention, coupling mechanism force is comprised of two parts, some is the contact friction force of locking briquetting and locking guide pad and vertical main framework, another part is that locking runner does not rotate and the power that stops vertical main framework to move downward, locking frictional force only accounts for 20% of whole coupling mechanism force, the locking main force is by locking runner, locking briquetting closed loop positive feedback each other power in locking runner and swing arm, be conducive to structure design, as long as structure is not destroyed, vertical main framework more moves downward, and locks tightlyer, locks very reliable.
3, force feedback type automatic locking mechanism of the present invention, artificially sets anti-falling locking distance and is inside and outside tooth engagement when anti-fall and can put in place completely, and anti-falling locking distance is approximately 30 ~ 50mm, short and hard impact not of anti-falling locking.
4, no matter the present invention is when static operation or can both automatic locking when accidents happened in lifting, does not need manual operations; In the very short time, just can lock immediately, therefore can stop immediately falling of whole scaffold support body, sliding distance is very short at present just can be prevented from unexpected tenesmus for whole scaffold support body, has improved security performance, effectively prevents the generation of security incident.
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Accompanying drawing explanation
Fig. 1 is scaffold erection of frames structural perspective of the present invention;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is that B-B of Fig. 2 is to view;
Fig. 4 is that C-C of Fig. 2 is to view;
Fig. 5 is that D-D of Fig. 3 is to view.
The specific embodiment
As Fig. 1, 2, 3, in 4, integral lifting scaffold force feedback type anti-falling locking of the present invention mechanism, be arranged on the wall-attached supporting seat 2 of integral lifting scaffold, vertical main framework 1 with integral lifting scaffold is connected, the vertical main framework 1 of integral lifting scaffold conventionally has two to three wall-attached supporting seats 2 on suspension centre, by wall-attached supporting seat 2 and building, fix, left and right locking guide pad 4 on wall-attached supporting seat 2 snaps in a left side for vertical main framework 1, in the groove of right two blocks of guiding channel-section steels 3, the effect of playing guiding and sliding, when anti-falling locking, also compress the inner side of channel-section steel 3 simultaneously.The vertical main framework 1 of integral lifting scaffold, wall-attached supporting seat 2, as prior art, are not described further at this.
Integral lifting scaffold force feedback type anti-falling locking of the present invention mechanism is arranged on wall-attached supporting seat 2, mainly comprises center-pole 11, main shaft 12, locking runner 13, the swing arm 14 of two of left and right, tripper 15 and spring 16, center-pole 11 is supported on wall-attached supporting seat 2 and (contacts and fix), and main shaft 12 is enclosed within center-pole 11 outsides, and main shaft 12 is supported on wall-attached supporting seat 2, can endwisely slip, shown in figure, be specifically supported on the left side being arranged on wall-attached supporting seat 2, in right guide pin bushing 17, can in guide pin bushing 17, horizontally slip (endwisely slipping), wall-attached supporting seat 2(or a left side, right guide pin bushing 17 inner faces) restriction is left, right swing arm 14 axial displacements, left, the axial displacement of right swing arm 14 restriction locking runners 13, left, right swing arm 14 with main shaft 12 be connected (can connect or other connected modes by spline or Dan Shuanjian between the two) drive when main shaft 12 is rotated left, right swing arm 14 rotates, main shaft 12 can move axially again in horizontal swinging arm 14 holes, locking runner 13 is sleeved on a left side, on the outer shaft of right swing arm 14, can rotate with respect to swing arm 14, the internal tooth of locking runner 13 is with the external tooth engagement of main shaft 12, when meshing, both will synchronously rotate, and after main shaft 12 endwisely slips, free engagement, both rotations are unconnected, rotate alone.Spring 16 is contained between center-pole 11 and main shaft 12, spring 16 acts on main shaft 12, give 12 1 active forces along center-pole 11 axis directions of main shaft, the elastic force that spring 16 provides (precompression) remains that the same internal tooth of locking runner 13 of the external tooth of main shaft 12 is in engagement; Be arranged on the tripper 15 on wall-attached supporting seat 2, when release, to 12 1 axial forces of main shaft, make its elastic force that overcomes spring 16, promote main shaft 12 and move axially, make the external tooth of main shaft 12 and the internal tooth of locking runner 13 free engagement, the state in release; The structure of tripper 15 has multiple, comprises dependency structure of the prior art, can meet needs of the present invention; The invention provides a kind of tripper 15 as shown in the figure, it comprises a lever, by shipping and reselling on another market, 20 be connected to turnably on wall-attached supporting seat 2, its lower end can be with the lifting chain of electric block and the relevant parts (not shown) that is connected of hanging by wire rope or pull bar, the pulling force of wire rope or pull bar rotates rotate pin 20 of tripper 15, the upper end of tripper 15 is pressed on main shaft 12, or be pressed on the solution lock barrel 22 contacting with main shaft 12, or tripper 15 with separate lock barrel 22 and be connected, then contact with main shaft 12; Lever stress when shipping and reselling on another market 20 rotation, makes to separate lock barrel 22 and moves to the left-hand shown in figure (3), drives main shaft 12 to be moved to the left, further Compress Spring 16, now main shaft 12 release with locking inside and outside tooth that runner 13 is meshed in released state.The one end of separating lock barrel 22 contacts with main shaft 12, can also limit main shaft 12 and move right.
In order to guarantee in anti-falling locking process, the external tooth of main shaft 12 just bears whole load while putting in place with the internal tooth combination of locking runner 13, locking briquetting 18 is under non-locking state, from left and right, two blocks of guiding channel-section steels 3 have certain distance, this distance is kept by buffering extension spring 26, this distance has also determined anti-falling locking distance, buffering extension spring 26 one end are connected on middleware 23, the other end is connected on wall-attached supporting seat 2, in anti-falling locking process, two swing arms 14 swing and start to channel-section steel 3, to locking briquetting 18, contact with channel-section steel 3, there is a movement travel, need the regular hour, in the trip, main shaft 12 can move axially and put in place, puts in place with the tooth engagement of locking runner 13, after engagement puts in place, just bears whole load, can avoid the tooth that fractures.
Tight being described below of integral lifting scaffold force feedback type anti-falling locking mechanism's anti-falling locking reconciliation lock-off of the present invention: climbing frame is in lifting process, the lifting chain of electric block is hung parts in stress with relevant, this power passes on tripper 15 by wire rope or the pull bar being connected, the stressed rotation of tripper 15 drives main shaft 12 to be moved to the left (shown in Fig. 3), or first make to separate lock barrel 22 and move, drive again main shaft 12 to be moved to the left (shown in Fig. 3), now the engaging tooth of main shaft 12 and locking runner 13 is in released state, vertical main framework 1(climbing frame) elevating movement drives the idle running of locking runner 13, locking runner 13 no longer limits vertical main framework 1, freely elevating movement of climbing frame like this, lock briquetting 18 simultaneously and under the pulling force of buffering extension spring 26, leave the channel-section steel 3 of vertical main framework 1.When chain breakage or hang parts and can not bear climbing frame gravity and lost efficacy or when electric block lost efficacy, tripper 15 is not subject to the power effect of wire rope or pull bar, spring 16 in compressive state promotes main shaft and moves right, external tooth on its axle starts combination with the internal tooth of locking runner 13, now vertical main framework 1 is conducted oneself with dignity and is moved downward because of climbing frame, drive locking runner 13 to rotate, because interior external tooth is not in engagement (engagement puts in place completely), locking runner 13 is rotated and is driven swing arm 14 to swing by main shaft 12, the pulling force that overcomes buffering extension spring 26 makes to lock briquetting 18 and presses to channel-section steel 3, when touching channel-section steel 3 and eliminating gap, interior external tooth completely meshes and puts in place, can bear whole loading forces, the guide pad 4 of left and right locking simultaneously also compresses the inner side of channel-section steel 3, form mutually to pressing, making to lock runner 13 stops operating, vertical main framework 1(climbing frame) decline has been prevented from.
Locking runner and locking briquetting 18 closed loop positive feedback each other power, vertical main framework more moves downward, and locking briquetting 18 is pressed tightlyer, locks very reliable.
Climbing frame is when in anti-falling locking state, a load part for climbing frame suspension centre deadweight is that the frictional force that the pressure of locking briquetting 18 and left and right locking guide pad 4 produces is born, another part directly bears by locking runner 13 load that the runner rod 5 on vertical main framework 1 transmits, the load that locking runner 13 of the present invention is born is Main Load, account for 80% of full payload, the frictional force of this power and locking briquetting 18 passes on main shaft 12 by swing arm 14, by left and right sleeve 17, pass on wall-attached supporting seat 2 again, moment on locking runner 13 balances each other with the moment that locking briquetting 18 pressure form oscillation center, this part is exactly the closed loop power of reaction type, it is the maximum feature of the present invention.
Finally it should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention but not restriction technologies scheme, although applicant has been described in detail the present invention with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those are modified or are equal to replacement technical scheme of the present invention, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of claim scope of the present invention.
Claims (6)
1. integral lifting scaffold force feedback type anti-falling locking mechanism, is arranged on integral lifting scaffold wall-attached supporting seat (2) upper, matches with the vertical main framework (1) of integral lifting scaffold; Vertical main framework (1) is fixed by wall-attached supporting seat (2) and building, and the left and right locking guide pad (4) on wall-attached supporting seat (2) snaps in the groove of left and right two blocks of guiding channel-section steels (3) of vertical main framework (1); It is characterized in that: comprise center-pole (11), main shaft (12), locking runner (13), two swing arms in left and right (14), tripper (15) and spring (16), center-pole (11) is supported on wall-attached supporting seat (2), main shaft (12) is enclosed within center-pole (11) outside, spring (16) is arranged between center-pole (11) and main shaft (12), it is upper that spring (16) acts on main shaft (12), and it can be resetted after moving axially; Locking runner (13) is sleeved on the outer shaft of left and right swing arm (14), can rotate relative to swing arm (14); In the periphery of main shaft (12), be provided with external tooth, be meshed with the internal tooth arranging on locking runner (13) internal chamber wall; Main shaft (12) is supported on wall-attached supporting seat (2) above and can moves axially; The same main shaft of left and right swing arm (14) (12) is connected, and main shaft (12) can drive horizontal swinging arm (14) to rotate while rotating; In left and right, two swing arms (14) endoporus moves axially main shaft (12) again, and in left and right, two swing arms (14) upper end is provided with horizontal locking briquetting (18), and locking briquetting (18) is pressed on the two blocks of guiding channel-section steels in left and right (3) after swing arm (14) is rotated;
Locking runner (13) is connected with vertical main framework (1), at locking runner (13) with the inside and outside tooth engagement of main shaft (12) during in locking state, rising or the decline of restriction vertical main framework (1); At the inside and outside tooth of locking runner (13) and main shaft (12), depart from engagement and during in released state, vertical main framework (1) drives locking runner (13) idle running when rising or decline;
Be arranged on the tripper (15) on wall-attached supporting seat (2), when release to (12) axial forces of main shaft, make it overcome the elastic force of spring (16), promoting main shaft (12) moves axially, make the external tooth of main shaft (12) free engagement, the state in release with the internal tooth of locking runner (13).
2. integral lifting scaffold force feedback type anti-falling locking device according to claim 1, it is characterized in that: described locking runner (13) and vertical main framework (1) structure that is connected, it is horizontally set runner rod (5) between the two guiding channel-section steels (3) on vertical main framework (1), runner rod (5) is several that be arranged in parallel, along guiding channel-section steel (3), be arranged above and below, the tooth of locking runner (13) periphery and runner rod (5) engagement.
3. integral lifting scaffold force feedback type anti-falling locking device according to claim 1, it is characterized in that: described tripper (15), comprise a lever, by ship and resell on another market (20), be connected to turnably on wall-attached supporting seat (2), during use, its lower end is connected with wire rope or pull bar, it is upper that the upper end of tripper (15) is pressed in main shaft (12), or be pressed on the solution lock barrel (22) contacting with main shaft (12); When lever stress rotates around ship and resell on another market (20), drive main shaft (12) to be moved to the left, Compress Spring (16), now main shaft (12) release with locking inside and outside tooth that runner (13) is meshed in released state.
4. according to claim 1,2,3 arbitrary described integral lifting scaffold force feedback type anti-falling locking devices, it is characterized in that: middleware (23) is set between two swing arms in left and right (14), and vertical rotating shaft (24) is set on middleware (23), it is upper that locking briquetting (18) is arranged on rotating shaft (24), around rotating shaft (24), rotates.
5. according to claim 1,2,3 arbitrary described integral lifting scaffold force feedback type anti-falling locking devices, it is characterized in that: in two swing arms (14), opposite side with respect to locking briquetting (18) arranges buffering extension spring (26), and buffering extension spring (26) gives locking briquetting (18) active forces away from two blocks of guiding channel-section steels (3) by two swing arms (14).
6. integral lifting scaffold force feedback type anti-falling locking device according to claim 4, is characterized in that: it is upper that one end of buffering extension spring (26) is connected to middleware (23), and the other end is connected on wall-attached supporting seat (2).
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CN201310697129.8A CN103628665B (en) | 2013-12-19 | 2013-12-19 | Integral lifting scaffold force feedback type anti-falling locking mechanism |
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CN201310697129.8A CN103628665B (en) | 2013-12-19 | 2013-12-19 | Integral lifting scaffold force feedback type anti-falling locking mechanism |
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CN103628665B CN103628665B (en) | 2015-08-12 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111502230A (en) * | 2020-04-22 | 2020-08-07 | 太原理工大学 | Anti-falling device for climbing frame |
CN112127613A (en) * | 2020-09-08 | 2020-12-25 | 深圳市特辰科技股份有限公司 | Automatic ratchet wheel positioning is in coordination with centrifugal anti-falling guide's of atress frame that climbs |
CN112127614A (en) * | 2020-09-08 | 2020-12-25 | 深圳市特辰科技股份有限公司 | Frame of climbing of ratchet automatic positioning guide seat |
CN114059757A (en) * | 2021-10-21 | 2022-02-18 | 温州职业技术学院 | Civil engineering construction is with interim eminence frame of climbing |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN111502230A (en) * | 2020-04-22 | 2020-08-07 | 太原理工大学 | Anti-falling device for climbing frame |
CN112127613A (en) * | 2020-09-08 | 2020-12-25 | 深圳市特辰科技股份有限公司 | Automatic ratchet wheel positioning is in coordination with centrifugal anti-falling guide's of atress frame that climbs |
CN112127614A (en) * | 2020-09-08 | 2020-12-25 | 深圳市特辰科技股份有限公司 | Frame of climbing of ratchet automatic positioning guide seat |
CN114059757A (en) * | 2021-10-21 | 2022-02-18 | 温州职业技术学院 | Civil engineering construction is with interim eminence frame of climbing |
CN114059757B (en) * | 2021-10-21 | 2023-06-09 | 温州职业技术学院 | Civil engineering construction is with interim eminence climbing frame |
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