CN114953167A - Active driving type telescopic beam making pedestal - Google Patents
Active driving type telescopic beam making pedestal Download PDFInfo
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- CN114953167A CN114953167A CN202210510179.XA CN202210510179A CN114953167A CN 114953167 A CN114953167 A CN 114953167A CN 202210510179 A CN202210510179 A CN 202210510179A CN 114953167 A CN114953167 A CN 114953167A
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 150
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 29
- 230000000670 limiting effect Effects 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 13
- 238000009415 formwork Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 230000002829 reductive effect Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 230000002441 reversible effect Effects 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 230000006872 improvement Effects 0.000 description 1
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- 238000010008 shearing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
- B28B23/043—Wire anchoring or tensioning means for the reinforcements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
- B28B23/06—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed for the production of elongated articles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an active driving type telescopic beam-making pedestal which comprises a plurality of adjustable template supporting mechanisms arranged between two end part power mechanisms, wherein adjacent adjustable template supporting mechanisms are detachably connected, the adjustable template supporting mechanisms positioned at two ends are respectively detachably connected with the corresponding end part power mechanisms, at least one end part power mechanism can drive any one or more adjustable template supporting mechanisms to move towards a direction close to or far away from the end part power mechanisms, and each end part power mechanism and each adjustable template supporting mechanism are arranged on a guide base. The invention realizes that the prefabricated box girder is suitable for various prefabricated box girders of different types, does not need to construct a girder construction base for each type of prefabricated girder, reduces the floor space requirement of a prefabricated girder field, reduces the construction cost of the prefabricated girder field, is convenient for tensioning the prefabricated girder after steam curing, improves the integral transfer efficiency and reduces the intensity of workers. The invention is suitable for the technical field of beam manufacturing pedestals in bridge buildings.
Description
Technical Field
The invention belongs to the technical field of beam making pedestals in bridge buildings, and particularly relates to an active driving type telescopic beam making pedestal.
Background
At present, in the process of prefabricating box girders for bridge pedestals, as the prefabricated box girders have various different types, beam pedestals are inevitably required to be independently constructed for each type of prefabricated girders, so that the occupied land requirement of a prefabricated girder field is increased, and the construction cost of the prefabricated girder field is increased. And the precast beam is required to be separated from the beam manufacturing pedestal after pouring and steam curing, and a subsequent tensioning process is carried out, so that the process is complicated. And current system roof beam pedestal rigidity, when needs remove, because its weight and volume are great, need dismantle on the spot, later with each part carry to the haulage equipment on and transport to preset position, then assemble again for operating personnel's intensity of labour grow, work efficiency is lower moreover.
Disclosure of Invention
The invention provides an active driving type telescopic beam-making pedestal which is used for adapting to various different types of precast box beams, the beam pedestal does not need to be independently built for each type of precast beam, the floor space requirement of a precast beam field is reduced, the construction cost of the precast beam field is reduced, the precast beam is conveniently tensioned after steam curing, the integral transfer efficiency is improved, and the strength of workers is reduced.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a flexible system roof beam pedestal of active drive formula, is including setting up a plurality of adjustable template supporting mechanism between two tip power unit, and is adjacent adjustable template supporting mechanism can dismantle the connection, and the adjustable template supporting mechanism that is located both ends department can dismantle with the tip power unit that corresponds respectively and be connected, and one of them tip power unit can drive arbitrary one or more adjustable template supporting mechanism and move to the direction that is close to or keeps away from tip power unit, each tip power unit and each adjustable template supporting mechanism all install on the direction base.
Furthermore, the guide base comprises a plurality of sub-bases which are sequentially spliced end to end, each end power mechanism and each adjustable template supporting mechanism are movably arranged on the guide base, and the adjustable template supporting mechanisms on the sub-bases can be translated out of the guide base along with the sub-bases.
Furthermore, the adjustable template supporting mechanism comprises an adjusting frame arranged in the supporting frame, the supporting frame is connected with the guide base in a sliding mode, the beam forming templates are assembled on the inner wall of the adjusting frame, and the beam forming templates on the two adjusting frames of the adjacent adjustable template supporting mechanisms are connected with each other.
Furthermore, the supporting frame comprises two opposite side supports, bottom supports are arranged at the lower ends of the two side supports, two supporting oil cylinders which are arranged in a splayed shape are respectively arranged at the outer sides of the two side supports, a guide wheel is arranged at the lower end of each supporting oil cylinder, two guide rails are arranged on the guide base, one guide wheel is selected to roll on the corresponding guide rail, two supporting convex strips which are the same with the extending direction of the guide rails are constructed on the guide base and between the two guide rails, and the supporting convex strips are higher than the guide rails.
Furthermore, the adjusting frame comprises an adjusting bottom plate with adjustable width and contacted with the lower end of the supporting frame, adjusting side plates are respectively pivoted on two sides of the adjusting bottom plate, and the adjusting side plates are connected with the corresponding side walls of the supporting frame through a plurality of transversely arranged adjusting oil cylinders.
Furthermore, the adjusting bottom plate and the adjusting side plate are connected with a fixed angle plate in a pivot joint mode, and two ends of the fixed angle plate extend to two ends of the adjusting bottom plate respectively.
Furthermore, there are tip mounting panels at the adjustable template supporting mechanism outside ends that are located both ends demountable installation respectively, in two the tip mounting panel has constructed the connecting seat respectively, tip power unit includes demountable installation and just reverses the double-shaft motor on the connecting seat, be equipped with the walking gear on two output shafts of the double-shaft motor that just reverses respectively, in just being located walking gear department on the base and having constructed the rack, walking gear and rack intermeshing, the rack extends along adjustable template supporting mechanism's array orientation.
Furthermore, limit cylinders are constructed on two sides of the walking gear respectively, the limit cylinders and the walking gear are arranged coaxially, a guide base is constructed with two limit platforms, each limit platform extends along the arrangement direction of the adjustable template supporting mechanism, a mounting groove is constructed in the middle of each limit platform, the mounting groove extends to the other end along one end of each limit platform, the rack is mounted in the mounting groove, the outer peripheral surfaces of the two limit cylinders abut against the upper surface of each limit platform, a strip-shaped hole penetrates through the outer end of the other limit cylinder from the outer end of the one limit cylinder, the output shaft stretches out of the walking gear through the strip-shaped hole, a cushion block is detachably connected in the strip-shaped hole, and each output shaft is in transmission connection with each adjustable template supporting mechanism through a transmission assembly.
Further, the transmission assembly comprises a right-angle gear box installed at the end part of the output shaft, a plurality of clutch pieces are installed on the side wall of the adjustable template supporting mechanism and the side wall of the right-angle gear box corresponding to the adjustable template supporting mechanism in the length direction, a lead screw is in threaded connection with each clutch piece, one end of the lead screw is connected with the right-angle gear box, at least one guide rod is connected to the side wall of the adjustable template supporting mechanism in a sliding mode, the two ends of each guide rod respectively extend out of the side wall of the adjustable template supporting mechanism, and the guide rods of the two adjacent adjustable template supporting mechanisms are connected with each other.
Furthermore, the clutch piece comprises a fixed seat connected with the side wall of the adjustable template supporting mechanism, a transmission sleeve is rotationally connected in the fixed seat, the lead screw penetrates through the transmission sleeve and is in threaded connection with the transmission sleeve, a plurality of locking bolts are in threaded connection with the fixed seat, and each locking bolt is screwed in and abuts against the transmission sleeve.
Due to the adoption of the structure, compared with the prior art, the invention has the technical progress that: the adjustable template supporting mechanisms are arranged between the two end power mechanisms, any one or more adjustable template supporting mechanisms are driven to move through the end power mechanisms, so that the distance between the adjacent adjustable template supporting mechanisms is increased or decreased, the length of the whole body is changed, the width of each adjustable template supporting mechanism can be adjusted by adjusting each adjustable template supporting mechanism, the invention is suitable for various precast box girders of different types, a girder manufacturing pedestal does not need to be independently built for each type of precast beam, the floor space requirement of a precast beam field is reduced, and the construction cost of the precast beam field is reduced; when the prefabricated beam is stretched, the prefabricated beam does not need to be lifted and transported, only the end part reinforcing steel bars of the prefabricated beam are fixed with the adjustable template supporting mechanisms at two ends, the two end part power mechanisms are driven to stretch in opposite directions, the stretching operation of the prefabricated beam is further realized, after the stretching operation is finished, the end part reinforcing steel bars of the prefabricated beam and the adjustable template supporting mechanisms are released from being fixed, generally, the adjustable template supporting mechanisms and the end part reinforcing steel bars of the prefabricated beam are fixed in a mode that the end part reinforcing steel bars extend out of the end surfaces connected with the end part reinforcing steel bars of the prefabricated beam, then a limiting block is welded at the end parts of the end part reinforcing steel bars, the limiting block abuts against the end surfaces of the adjustable template supporting mechanisms, and after the stretching operation is finished, the limiting block is sawed off by using an angle grinder; the limiting block can be replaced by a limiting nut which is in threaded connection with the end steel bar, the effect of the limiting nut is the same as that of the limiting block, and the limiting nut and the limiting block are convenient to disassemble, so that a plurality of process steps can be completed on the prefabricated beam lifting device, troubles caused by the fact that the prefabricated beam is lifted for many times are avoided, and programs are saved; and the invention can move in the same direction through two end power mechanisms, namely one end power mechanism pulls and the other end power mechanism pushes, thus realizing the transferring operation of the invention, improving the transferring efficiency and reducing the intensity of the working personnel.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an adjustable form support mechanism according to an embodiment of the present invention;
FIG. 3 is a front view of an adjustable form support mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an adjustment frame according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a support frame according to an embodiment of the present invention;
FIG. 6 is an enlarged view of the structure of portion A in FIG. 5;
FIG. 7 is a schematic structural view of the connection between the adjustable template support mechanism and the end power mechanism according to the embodiment of the present invention;
FIG. 8 is a front view of the structure of FIG. 7;
fig. 9 is a schematic structural view of a traveling gear according to an embodiment of the present invention.
Labeling components: 100-end power mechanism, 101-positive and negative rotation double-shaft motor, 102-output shaft, 103-walking gear, 104-limit cylinder, 105-cushion block, 106-strip-shaped hole, 107-right-angle gear box, 108-connecting rod, 200-adjusting frame, 201-adjusting bottom plate, 202-adjusting side plate, 203-pivoting rod, 204-fixing angle plate, 205-bottom plate reinforcing rib, 206-transverse rod, 207-side wall vertical reinforcing rib, 208-side wall transverse reinforcing rib, 209-guide rod, 300-supporting frame, 301-side support, 302-adjusting oil cylinder, 303-supporting oil cylinder, 304-guide wheel, 305-lead screw, 306-transverse rod, 307-bottom support, 400-guiding base, 401-sub-base, 402-supporting convex strip, 403-mounting groove, 404-guide rail, 500-clutch piece, 501-fixing seat, 502-transmission sleeve, 503-locking bolt, 600-end mounting plate and 601-connecting seat.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.
The invention discloses an active driving type telescopic beam-making pedestal, which comprises two end part power mechanisms 100 and a plurality of adjustable template supporting mechanisms, wherein the number of the adjustable template supporting mechanisms is at least two, the adjustable template supporting mechanisms are arranged between the two end part power mechanisms 100, the adjacent adjustable template supporting mechanisms are detachably connected together, and the adjustable template supporting mechanisms at the two ends are respectively detachably connected with the corresponding end part power mechanisms 100. The end actuating unit 100 of at least one of the present invention may drive any one or more adjustable formwork support mechanisms to move in a direction approaching or departing from the end actuating unit 100, and each of the end actuating units 100 and each of the adjustable formwork support mechanisms of the present invention are mounted on the guide base 400. The working principle and the advantages of the invention are as follows: according to the invention, a plurality of adjustable template supporting mechanisms are arranged between two end part power mechanisms 100, any one or more adjustable template supporting mechanisms are driven to move by the end part power mechanisms 100, so that the distance between adjacent adjustable template supporting mechanisms is increased or decreased, the change of the whole length is further achieved, and the width adjustment of the adjustable template supporting mechanisms can be realized by adjusting each adjustable template supporting mechanism, so that the invention is suitable for various different types of prefabricated box girders, a girder manufacturing pedestal does not need to be independently built for each type of prefabricated girder, the floor space requirement of a prefabricated girder field is reduced, and the construction cost of the prefabricated girder field is reduced; when the prefabricated beam is tensioned, the prefabricated beam does not need to be lifted and transported, the end reinforcing steel bars of the prefabricated beam are fixed with the adjustable template supporting mechanisms at two ends, the two end power mechanisms 100 are driven to be tensioned in opposite directions, tensioning operation on the prefabricated beam is further realized, after tensioning is finished, the end reinforcing steel bars of the prefabricated beam and the adjustable template supporting mechanisms are released from fixation, the end reinforcing steel bars of the adjustable template supporting mechanisms and the end reinforcing steel bars of the prefabricated beam are fixed in a general mode that the end reinforcing steel bars extend out of the end faces connected with the end reinforcing steel bars of the prefabricated beam, then a limiting block is welded at the end portions of the end reinforcing steel bars and abuts against the end faces of the adjustable template supporting mechanisms, and after tensioning is finished, the limiting block is sawed off by using an angle grinder; the limiting block can be replaced by a limiting nut which is in threaded connection with the end steel bar, the effect of the limiting nut is the same as that of the limiting block, and the limiting nut and the limiting block are convenient to disassemble, so that a plurality of process steps can be completed on the prefabricated beam lifting device, troubles caused by the fact that the prefabricated beam is lifted for many times are avoided, and programs are saved; in addition, the two end power mechanisms 100 can move in the same direction, namely one end power mechanism 100 pulls and the other end power mechanism 100 pushes, so that the transferring operation of the invention is realized, the transferring efficiency is improved, and the strength of workers is reduced.
As a preferred embodiment of the present invention, as shown in fig. 1-2, the guide base 400 includes a plurality of sub-bases 401, the sub-bases 401 are sequentially connected end to end, each of the end actuating mechanisms 100 and each of the adjustable template supporting mechanisms are movably disposed on the guide base 400, and the adjustable template supporting mechanisms disposed on the sub-bases 401 can be moved out of the guide base 400 along with the sub-bases 401. When the distance between the adjustable template supporting mechanisms is beyond the limit of adjusting the distance in order to adapt to the prefabricated box girder with the corresponding model, the adjustable template supporting mechanisms need to be increased or decreased, and specifically, the sub-base 401 provided with the adjustable template supporting mechanisms is connected with other sub-bases 401; or the original connected sub-base 401 is moved out and is carried with the adjustable template supporting mechanism thereon to move out together, and a new sub-base 401 is filled at the position to be connected with other sub-bases 401; therefore, the number of the adjustable template supporting mechanisms is increased or decreased, and the adjustable template supporting mechanisms are suitable for prefabricated box girders of corresponding models.
As a preferred embodiment of the present invention, as shown in fig. 1 to 5, the adjustable formwork support mechanism includes a support frame 300 and an adjustment frame 200, wherein the adjustment frame 200 is installed in the support frame 300, the support frame 300 is slidably connected to a guide base 400, the girder forming formwork is assembled on an inner wall of the adjustment frame 200, and the girder forming formworks on two adjustment frames 200 of adjacent adjustable formwork support mechanisms are connected to each other. The assembly and the connection operation of the beam-making templates with corresponding models are realized by adjusting the distance between the adjustable template supporting mechanisms. The supporting frame 300 of this embodiment includes a bottom support 307 and two side supports 301, as shown in fig. 5, the two side supports 301 are disposed oppositely, the bottom support 307 is installed at the lower end of the two side supports 301, in order to facilitate the adjustable template supporting mechanism to move on the guiding base 400, two supporting cylinders 303 are respectively installed at the outer sides of the two side supports 301, the two supporting cylinders 303 are arranged at the two ends of the side supports 301 in a splayed shape, by controlling the extension and retraction of the supporting cylinders 303, the lifting of the supporting frame 300 is realized, and further the bottom support 307 is contacted with or separated from the supporting convex strip 402 on the guiding base 400, when the adjustable template supporting mechanism needs to be moved, the supporting cylinders 303 gradually extend and separate the bottom support 307 from the supporting convex strip 402, and the end power mechanism 100 is controlled to pull or push the adjustable template supporting mechanism to move. In order to prevent the joints of the two support cylinders 303 and the side support 301 from moving or rotating relatively and influence the strength of the joints of the two support cylinders 303 and the side support 301, a cross bar 306 is connected between the two support cylinders 303. In order to improve mobility, a guide wheel 304 is mounted at the lower end of each support cylinder 303, two guide rails 404 are opened on the guide base 400, and the guide wheels 304 on the same side are assembled on the corresponding guide rails 404 and roll on the guide rails 404. The number of the support ribs 402 of this embodiment is two, and the two support ribs 402 are configured on the guide base 400 and are located between two guide rails 404, and each extend in the same direction as the guide rail 404. In order to avoid interference of the guide rails 404 with the lifting of the support frame 300, the present embodiment takes a measure that the height of the support ribs 402 is higher than the height of the guide rails 404. As shown in fig. 4, the adjusting frame 200 of the present embodiment includes an adjusting bottom plate 201 and two adjusting side plates 202, wherein the adjusting bottom plate 201 is in contact with the lower end of the supporting frame 300, and the width of the adjusting bottom plate 201 is adjustable, the adjusting bottom plate 201 is divided into two sub-parts, one ends of the two sub-parts, which are close to each other, are connected by a plurality of transverse rods 206, and both ends of each transverse rod 206 are respectively inserted and slidably connected with the two sub-parts of the adjusting bottom plate 201. The two adjusting side plates 202 of this embodiment are respectively pivoted to two sides of the adjusting bottom plate 201 through the pivoting rods 203, a plurality of adjusting cylinders 302 are disposed at the side walls of the adjusting side plates 202 corresponding to the supporting frame 300, the adjusting cylinders 302 are arranged along the lateral direction of the adjusting side plates 202, and two ends of each adjusting cylinder 302 are respectively hinged to the adjusting side plates 202 and the side walls of the supporting frame 300. In this embodiment, the pivot joint between the adjustment bottom plate 201 and the adjustment side plate 202 is detachably connected with a fixed angle plate 204, two ends of the fixed angle plate 204 respectively extend to two ends of the adjustment bottom plate 201, the adjustment cylinder 302 drives the adjustment side plate 202 to move, so that the included angle between the adjustment side plate 202 and the side wall of the support frame 300 is changed to a prefabricated box girder of a corresponding type, and then the fixed angle plate 204 of a corresponding angle is selected to fix the adjustment side plate 202 and the side wall of the support frame 300. When the width of the adjusting bottom plate 201 is adjusted, firstly, the fixing angle plate 204 is ensured to fix the adjusting side plate 202 and the side wall of the supporting frame 300, then the adjusting cylinder 302 is driven to act, so that the two sub-parts of the adjusting bottom plate 201 are close to or far away from each other, the width adjustment is realized, and after the adjustment is finished, the two sub-parts of the adjusting bottom plate 201 are respectively fixed with the transverse rod 206 by using locking nails. When the angle between the side plate 202 and the side wall of the support frame 300 is adjusted, the locking pins are used to fix two sub-portions of the bottom plate 201 to the transverse rod 206, the fixed angle plate 204 is removed, and then the adjusting cylinder 302 is controlled to move to complete the angle adjustment. In the present embodiment, in order to improve the strength of the adjustment bottom plate 201 and the adjustment side plate 202, bottom plate reinforcing ribs 205 are formed on the adjustment bottom plate 201 at intervals along the length direction thereof, and a plurality of side wall vertical reinforcing ribs 207 and a plurality of side wall transverse reinforcing ribs 208 are criss-cross arranged on the adjustment side plate 202.
As a preferred embodiment of the present invention, as shown in fig. 7 to 8, end mounting plates 600 are detachably mounted at outer ends of the adjustable formwork support mechanisms at both ends, respectively, and connection seats 601 are configured at both end mounting plates 600, respectively. The end portion power mechanism 100 of the embodiment includes a forward-reverse rotation double-shaft motor 101, the forward-reverse rotation double-shaft motor 101 is detachably mounted on the connecting seat 601, the two output shafts 102 of the forward-reverse rotation double-shaft motor 101 are respectively equipped with a walking gear 103, a rack is configured on the base and at the position of the walking gear 103, the walking gear 103 is meshed with the rack, and the rack extends along the arrangement direction of the adjustable formwork support mechanism. An operator controls the forward or reverse rotation of the forward and reverse rotation double-shaft motor 101, and in the transmission process of the walking gear 103 and the rack, the forward and reverse rotation double-shaft motor 101 drives the adjustable template supporting mechanism to advance or retreat through the end mounting plate 600, so that the integral displacement of the invention is realized; when the forward and reverse rotation double-shaft motors 101 of the two end power mechanisms 100 reversely pull the integral structure of the invention through the corresponding walking gears 103, the tensioning of the precast beam is realized, the power of the forward and reverse rotation double-shaft motors 101 can be changed, and different tensioning loads of the precast beam are realized.
As a preferred embodiment of the present invention, as shown in fig. 8 to 9, the traveling gear 103 is provided with the stopper cylinders 104 on both sides thereof, and the stopper cylinders 104 are disposed coaxially with the traveling gear 103, and the guide base 400 is provided with two stopper stages, which are the support ribs 402, or may not be the same member, and the stopper stages and the support ribs 402 are disposed side by side. Each limit platform extends along the arrangement direction of the adjustable template supporting mechanism, a mounting groove 403 is formed in the middle of each limit platform, the mounting groove 403 extends along one end of each limit platform to the other end of each limit platform, the racks are mounted in the mounting grooves 403, and the outer peripheral surfaces of the two limit cylinders 104 on the walking gear 103 abut against the upper surface of each limit platform, so that the walking gear 103 can be effectively prevented from deviating from the racks, and the adjustable template supporting mechanism is prevented from deviating from the guide base 400. In this embodiment, after the support cylinder 303 contracts, in order to facilitate the support of the limit table and/or the support protruding strip 402 on the adjustment bottom plate 201 of the support frame 300, a strip-shaped hole 106 is formed in the middle of the traveling gear 103, the strip-shaped hole 106 penetrates through the outer end of one limit cylinder 104 from the outer end of the other limit cylinder 104, the output shaft 102 of the forward-reverse double-shaft motor 101 extends out of the traveling gear 103 through the strip-shaped hole 106, and a cushion block 105 is detachably connected in the strip-shaped hole 106. When the guide base 400 is required to support the support frame 300, the support oil cylinder 303 is controlled to extend, so that the walking gear 103 is separated from the rack, namely the walking gear 103 is emptied, then the cushion block 105 is taken out, the assembling position of the walking gear 103 and the output shaft 102 is adjusted along the strip-shaped hole 106, and finally the support oil cylinder 303 is controlled to contract until the guide base 400 is supported at the bottom of the support frame 300; when the integral structure of the invention needs to be driven to walk, the cushion block 105 is assembled in the strip-shaped hole 106 according to the reverse operation of the process, and then the walking gear 103 is meshed with the rack. The traveling gear 103 of this embodiment may also be a gear ring structure in which gear teeth are uniformly formed on the outer peripheral surface, a sleeve is provided on the inner ring of the gear ring, the sleeve coincides with the axis of the traveling gear 103, the inner wall of the sleeve is fixedly connected with the output shaft 102, the outer wall of the sleeve is rotatably connected with the inner ring of the gear ring, the sleeve can be fixedly connected with the gear ring through a plurality of fastening bolts, and further, in the rotating process of the traveling gear 103, the sleeve is engaged with the rack and drives the traveling gear 103 to integrally advance or retreat; when the fixed connection of the sleeve and the gear ring by the fastening bolt is released, although the walking gear 103 is meshed with the rack, the sleeve is driven by the output shaft 102 to rotate in the rotating process of the output shaft 102, and the walking gear 103 and the rack are in a static state.
As a preferred embodiment of the present invention, as shown in fig. 5 to 7, each output shaft 102 of the forward and reverse rotation dual-shaft motor 101 is in transmission connection with each adjustable formwork support mechanism through a transmission assembly. Wherein, the transmission assembly comprises a right-angle gear box 107, the right-angle gear box 107 is arranged at the end part of the output shaft 102, a plurality of clutch pieces 500 are arranged on the side wall of each adjustable template supporting mechanism corresponding to the right-angle gear box 107, and the clutch pieces 500 are arranged at intervals along the length direction of the adjustable template supporting mechanism. In this embodiment, a connecting rod 108 is provided for the adjustable formwork support mechanism at both ends, and the connecting rod 108 is connected to a corresponding right-angle gear box 107. The other adjustable template supporting mechanisms are respectively provided with a lead screw 305, the lead screws 305 on the adjacent adjustable template supporting mechanisms are mutually connected, and the threads of the lead screws 305 are in a continuous thread form after being connected. The lead screw 305 of each adjustable platen support mechanism of the present embodiment is respectively threadedly coupled to the clutch member 500 thereof. The connecting rod 108 of the present embodiment may be a lead screw 305, or may be a rod body with a smooth surface. When one or more adjustable template supporting mechanisms need to be driven to move so as to change the overall length of the invention, the clutch 500 on the adjustable template supporting mechanism which does not need to be moved is in a state of not in threaded transmission with the lead screw 305, and the clutch 500 on the other adjustable template supporting mechanisms is in a state of in threaded transmission with the lead screw 305, so that after the walking gear 103 is disengaged from the rack, the forward-reverse double-shaft motor 101 drives the lead screw 305 to rotate through the right-angle gear box 107, so that the corresponding adjustable template supporting mechanism generates displacement, the other forward-reverse double-shaft motor 101 can also simultaneously act, the two forward-reverse double-shaft motors 101 simultaneously drive the lead screw 305 to rotate forward or reversely, and as the two forward-reverse double-shaft motors 101 drive the lead screw 305 to rotate, the lead screw 305 is prevented from bearing large shearing force and being in a long-time running state, the life thereof is reduced.
As a preferred embodiment of the present invention, as shown in fig. 6, the clutch member 500 includes a fixing base 501 and a transmission sleeve 502, wherein the fixing base 501 is detachably mounted on a sidewall of the adjustable template supporting mechanism, the transmission sleeve 502 is rotatably connected in the fixing base 501, the lead screw 305 passes through the transmission sleeve 502 and is in threaded connection with the transmission sleeve 502, a plurality of locking bolts 503 are in threaded connection with the fixing base 501, by rotating the locking bolts 503, an end of the locking bolt 503 abuts against the transmission sleeve 502, thereby locking of the transmission sleeve 502 and the fixing base 501 is realized, and the lead screw 305 drives the adjustable template supporting mechanism to move through the fixing base 501 via the transmission sleeve 502; or the locking bolt 503 is partially screwed out, so that the end of the locking bolt 503 is separated from the transmission sleeve 502, and the transmission sleeve 502 rotates synchronously with the lead screw 305 in the rotation process of the lead screw 305, thereby preventing the adjustable template supporting mechanism at the position from displacing.
As a preferred embodiment of the present invention, as shown in fig. 2 and 4, at least one guide rod 209 is slidably connected to a side wall of the adjustable formwork support mechanism, and two ends of the guide rod 209 respectively extend out of the side wall of the adjustable formwork support mechanism, and the guide rods 209 of two adjacent adjustable formwork support mechanisms are connected to each other. The guide rods 209 of the present embodiment are slidably mounted on the adjusting side plates 202, so that when the included angle between the adjusting side wall and the adjusting bottom plate 201 is adjusted, due to the action of the guide rods 209, the adjusting side walls of different adjustable template supporting mechanisms are adjusted synchronously.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a flexible system roof beam pedestal of active drive formula which characterized in that: the adjustable template support mechanism is arranged between the two end power mechanisms, the adjacent adjustable template support mechanisms are detachably connected, the adjustable template support mechanisms positioned at two ends are respectively detachably connected with the corresponding end power mechanisms, at least one end power mechanism can drive any one or more adjustable template support mechanisms to move towards the direction close to or far away from the end power mechanism, and each end power mechanism and each adjustable template support mechanism are arranged on the guide base.
2. An actively driven telescopic girder fabrication pedestal according to claim 1, wherein: the guide base comprises a plurality of sub-bases which are sequentially spliced end to end, each end power mechanism and each adjustable template supporting mechanism are movably arranged on the guide base, and the adjustable template supporting mechanisms on the sub-bases can be horizontally moved out of the guide base along with the sub-bases.
3. An actively driven telescopic girder fabrication pedestal according to claim 1, wherein: the adjustable template supporting mechanism comprises an adjusting frame arranged in the supporting frame, the supporting frame is connected with the guide base in a sliding mode, the beam forming templates are assembled on the inner wall of the adjusting frame, and the beam forming templates on the two adjusting frames of the adjacent adjustable template supporting mechanisms are connected with each other.
4. An actively driven telescopic girder fabrication pedestal according to claim 3, wherein: the supporting frame comprises two opposite side supports, bottom supports are arranged at the lower ends of the two side supports, two supporting oil cylinders which are arranged in a splayed shape are respectively arranged on the outer sides of the two side supports, guide wheels are arranged at the lower ends of the supporting oil cylinders, two guide rails are arranged on a guide base, one guide wheel is selected to roll on the corresponding guide rail, two supporting convex strips which are the same as the extending direction of the guide rails are constructed between the two guide rails on the guide base, and the supporting convex strips are higher than the guide rails.
5. An actively driven telescopic girder fabrication pedestal according to claim 3, wherein: the adjusting frame comprises an adjusting bottom plate with adjustable width and contacted with the lower end of the supporting frame, adjusting side plates are respectively pivoted on two sides of the adjusting bottom plate, and the adjusting side plates are connected with the corresponding side walls of the supporting frame through a plurality of transversely arranged adjusting oil cylinders.
6. An actively driven telescopic girder fabrication pedestal according to claim 5, wherein: the adjusting bottom plate is detachably connected with a fixed angle plate at the pin joint of the adjusting side plate, and two ends of the fixed angle plate respectively extend to two ends of the adjusting bottom plate.
7. An actively driven telescopic girder fabrication bench according to any one of claims 1 to 6, wherein: the adjustable template supporting mechanism comprises a base, a supporting mechanism body, a power mechanism and a power mechanism, wherein the supporting mechanism body is provided with a supporting mechanism body, the supporting mechanism body is provided with a power mechanism body, the power mechanism body is provided with a power mechanism body, and a power mechanism body is provided with a power mechanism body.
8. An actively driven telescopic girder fabrication pedestal according to claim 7, wherein: the two sides of the walking gear are respectively provided with a limiting cylinder, the limiting cylinder and the walking gear are coaxially arranged, the guide base is provided with two limiting tables, each limiting table extends along the arrangement direction of the adjustable template supporting mechanism, the middle of each limiting table is provided with an installation groove, the installation groove extends to the other end along one end of each limiting table, the rack is installed in the installation groove, the outer peripheral surfaces of the two limiting cylinders abut against the upper surface of each limiting table, one strip-shaped hole penetrates through the outer end of the other limiting cylinder from the outer end of the limiting cylinder, the output shaft stretches out the walking gear through the strip-shaped hole, a cushion block is detachably connected in the strip-shaped hole, and the output shaft is in transmission connection with each adjustable template supporting mechanism through a transmission assembly.
9. An actively driven telescopic girder fabrication pedestal according to claim 8, wherein: the transmission assembly comprises a right-angle gear box arranged at the end part of the output shaft, a plurality of clutch pieces are arranged on the side wall of the adjustable template supporting mechanism and the side wall of the corresponding side of the right-angle gear box in the length direction, a lead screw is in threaded connection with each clutch piece, one end of the lead screw is connected with the right-angle gear box, at least one guide rod is connected to the side wall of the adjustable template supporting mechanism in a sliding mode, the two ends of each guide rod respectively extend out of the side wall of the adjustable template supporting mechanism, and the guide rods on the two adjacent adjustable template supporting mechanisms are connected with each other.
10. An actively driven telescopic girder fabrication pedestal according to claim 9, wherein: the clutch piece comprises a fixed seat connected with the side wall of the adjustable template supporting mechanism, a transmission sleeve is rotationally connected in the fixed seat, the lead screw penetrates through the transmission sleeve and is in threaded connection with the transmission sleeve, a plurality of locking bolts are in threaded connection with the fixed seat, and each locking bolt is screwed in and abutted against the transmission sleeve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210510179.XA CN114953167B (en) | 2022-05-11 | 2022-05-11 | Active driving type telescopic beam making pedestal |
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| CN202210510179.XA CN114953167B (en) | 2022-05-11 | 2022-05-11 | Active driving type telescopic beam making pedestal |
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| CN114953167B CN114953167B (en) | 2024-01-16 |
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| CN116533368A (en) * | 2023-03-27 | 2023-08-04 | 四川省交通建设集团有限责任公司 | Adjustable pedestal |
| CN117183083A (en) * | 2023-11-03 | 2023-12-08 | 山西潇河建筑产业有限公司 | Novel assembly adjustable expansion type supporting jig frame |
| CN117283687A (en) * | 2023-09-05 | 2023-12-26 | 广州铁路投资建设集团有限公司 | Segmental precast beam template |
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| CN116533368B (en) * | 2023-03-27 | 2024-04-16 | 四川省交通建设集团有限责任公司 | Adjustable pedestal |
| CN117283687A (en) * | 2023-09-05 | 2023-12-26 | 广州铁路投资建设集团有限公司 | Segmental precast beam template |
| CN117183083A (en) * | 2023-11-03 | 2023-12-08 | 山西潇河建筑产业有限公司 | Novel assembly adjustable expansion type supporting jig frame |
| CN117183083B (en) * | 2023-11-03 | 2024-02-06 | 山西潇河建筑产业有限公司 | Novel assembly adjustable expansion type supporting jig frame |
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| CN114953167B (en) | 2024-01-16 |
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