CN114953167B - Active driving type telescopic beam making pedestal - Google Patents
Active driving type telescopic beam making pedestal Download PDFInfo
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- CN114953167B CN114953167B CN202210510179.XA CN202210510179A CN114953167B CN 114953167 B CN114953167 B CN 114953167B CN 202210510179 A CN202210510179 A CN 202210510179A CN 114953167 B CN114953167 B CN 114953167B
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- adjustable template
- template supporting
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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 19
- 230000007246 mechanism Effects 0.000 claims abstract description 141
- 230000000670 limiting effect Effects 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000002441 reversible effect Effects 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 6
- 238000010025 steaming Methods 0.000 abstract description 2
- 238000009415 formwork Methods 0.000 description 22
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 230000002829 reductive effect Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000009471 action Effects 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
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- 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 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 corresponding end power mechanisms, at least one of the end power mechanisms can drive any one or more adjustable template supporting mechanisms to move towards a direction approaching or far away from the end power mechanisms, and each end power mechanism and each adjustable template supporting mechanism are arranged on a guide base. The invention is suitable for various precast box beams, does not need to independently repair a precast beam pedestal for each type of precast beam, reduces the occupied space requirement of a precast beam field, reduces the construction cost of the precast beam field, facilitates the stretching of the precast beam after steaming, improves the whole transferring efficiency, and reduces the strength of staff. The invention is suitable for the technical field of beam making pedestals in bridge construction.
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, because the prefabricating box girders are in various different types, the girder pedestal is inevitably required to be independently built for each type of prefabricating girders, the occupied space requirement of a prefabricating girder field is increased, and therefore the construction cost of the prefabricating girder field is increased. And the precast beam needs to be separated from the beam making pedestal after pouring and steam curing, and the subsequent tensioning process is carried out, so that the process becomes complex. And the existing beam making pedestal is fixed in position, when the beam making pedestal needs to be moved, the beam making pedestal needs to be disassembled on site due to the large weight and the large volume of the beam making pedestal, and then all parts are moved to conveying equipment and conveyed to a preset position, and then the beam making pedestal is assembled, so that the labor intensity of operators is increased, and the working efficiency is lower.
Disclosure of Invention
The invention provides an active driving type telescopic beam manufacturing pedestal, which is used for realizing the adaptation to various precast box beams, and the beam manufacturing pedestal does not need to be independently repaired for each type of precast beam, so that the occupied space requirement of a precast beam field is reduced, the construction cost of the precast beam field is reduced, the tensioning of the precast beam after steaming is facilitated, the integral transfer efficiency is improved, and the strength of staff is reduced.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides an initiative drive formula flexible system roof beam pedestal, includes a plurality of adjustable template supporting mechanisms that set up between two tip power units, adjacent adjustable template supporting mechanism can dismantle the connection, and the adjustable template supporting mechanism that is located both ends department can dismantle with corresponding tip power unit respectively and be connected, and at least one of them tip power unit can drive arbitrary one or a plurality of adjustable template supporting mechanism to be close to or keep away from tip power unit's direction motion, each tip power unit and each adjustable template supporting mechanism are all installed on the direction base.
Further, the guide base comprises a plurality of sub-bases which are spliced end to end in sequence, each end power mechanism and each adjustable template supporting mechanism are movably arranged on the guide base, and the adjustable template supporting mechanisms positioned on the sub-bases can translate out of the guide base along with the sub-bases.
Further, the adjustable template supporting mechanism comprises an adjusting frame arranged in the supporting frame, the supporting frame is in sliding connection with the guide base, the beam making templates are assembled on the inner wall of the adjusting frame, and the beam making templates on the two adjusting frames of the adjacent adjustable template supporting mechanism are mutually connected.
Further, the support frame comprises two side supports which are oppositely arranged, a bottom support is arranged at the lower ends of the two side supports, two support oil cylinders which are arranged in a splayed shape are respectively arranged at the outer sides of the two side supports, guide wheels are arranged at the lower ends of the support oil cylinders, two guide rails are arranged on the guide base, one guide wheel rolls on the corresponding guide rail, two support convex strips which are identical to the extending direction of the guide rails are constructed on the guide base and between the two guide rails, and the heights of the support convex strips are higher than that of the guide rails.
Further, the adjusting frame comprises an adjusting bottom plate with adjustable width, wherein the adjusting bottom plate is contacted with the lower end of the supporting frame, two sides of the adjusting bottom plate are respectively pivoted with adjusting side plates, and the side walls of the adjusting side plates corresponding to the supporting frame are connected with a plurality of adjusting cylinders which are transversely arranged.
Furthermore, the pivot joint of the adjusting bottom plate and the adjusting side plate is detachably connected with a fixed angle plate, and two ends of the fixed angle plate extend to two ends of the adjusting bottom plate respectively.
Further, end mounting plates are detachably mounted at the outer side ends of the adjustable template supporting mechanisms at two ends respectively, connecting seats are respectively constructed at the two end mounting plates, the end power mechanism comprises a forward and reverse rotation double-shaft motor which is detachably mounted on the connecting seats, traveling gears are respectively mounted on two output shafts of the forward and reverse rotation double-shaft motor, racks are constructed on the base and at the traveling gears, the traveling gears are meshed with the racks, and the racks extend along the arrangement direction of the adjustable template supporting mechanisms.
Further, a limit cylinder is respectively configured at two sides of the traveling gear, the limit cylinder and the traveling gear are coaxially arranged, two limit tables are configured on the guide base, each limit table extends along the arrangement direction of the adjustable template supporting mechanism, an installation groove is configured in the middle of each limit table, the installation groove extends to the other end along one end of each limit table, the rack is installed in the installation groove, the outer peripheral surfaces of the two limit cylinders are abutted to the upper surface of each limit table, 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 extends out of the traveling 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 component.
Further, 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 walls of the corresponding sides of the adjustable template supporting mechanism and the right-angle gear box in the length direction, a screw rod is connected to each clutch piece in a threaded mode, one end of the screw rod 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, two ends of the guide rod extend out of the side wall of the adjustable template supporting mechanism respectively, and the guide rods on the two adjacent adjustable template supporting mechanisms are connected with each other.
Further, 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 screw rod 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 to the transmission sleeve.
Compared with the prior art, the invention adopts the structure, and the technical progress is that: according to the invention, a plurality of adjustable template supporting mechanisms are arranged between two end power mechanisms, any one or a plurality of adjustable template supporting mechanisms are driven to move through the end power mechanisms, so that the distance between adjacent adjustable template supporting mechanisms is increased or decreased, the overall length change is 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 a plurality of prefabricated box beams of different types, the prefabricated beam pedestal does not need to be independently repaired for each type of prefabricated beam, the occupied space requirement of a prefabricated beam field is reduced, and the construction cost of the prefabricated beam field is reduced; according to the invention, when stretching, the precast beam is not required to be lifted and transported, only the end steel bars of the precast beam are required to be fixed with the adjustable template supporting mechanisms at the two ends, the stretching operation of the precast beam is realized by driving the two end power mechanisms to stretch in opposite directions, after stretching is finished, the end steel bars of the precast beam and the adjustable template supporting mechanisms are released from being fixed, in general, the adjustable template supporting mechanisms and the end steel bars of the precast beam are fixed in such a way that the end steel bars extend out of the end steel bar connection end surfaces of the precast beam, then a limiting block is welded at the end parts of the end steel bars, the limiting block is propped against the end surfaces of the adjustable template supporting mechanisms, and after stretching is finished, the limiting block is sawed off by using an angle grinder; the invention can also adopt a limit nut to replace the limit block, the limit nut is in threaded connection with the end steel bar, the effect of the limit nut and the limit block is the same, and the disassembly is convenient, so that a plurality of process steps can be completed on the invention, the trouble caused by hoisting the precast beam for a plurality of times is avoided, and the program is saved; the invention can move in the same direction through the two end power mechanisms, namely one end power mechanism pulls and the other end power mechanism pushes, thereby realizing the transfer operation of the invention, improving the transfer efficiency and reducing the strength of staff.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of an adjustable formwork support mechanism according to an embodiment of the present invention;
FIG. 3 is a front view of an adjustable formwork support mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an adjusting frame according to an embodiment of the present invention;
FIG. 5 is a schematic view of a supporting frame according to an embodiment of the present invention;
FIG. 6 is an enlarged view of the structure of the portion A in FIG. 5;
FIG. 7 is a schematic view of an embodiment of the invention in which an adjustable formwork support mechanism is coupled to an end power mechanism;
FIG. 8 is a front elevational view of the structure of FIG. 7;
fig. 9 is a schematic structural view of a running gear according to an embodiment of the present invention.
Marking parts: 100-end power mechanism, 101-counter-rotating double-shaft motor, 102-output shaft, 103-travelling gear, 104-limit cylinder, 105-cushion block, 106-bar hole, 107-right angle gearbox, 108-connecting rod, 200-adjusting frame, 201-adjusting bottom plate, 202-adjusting side plate, 203-pivoting rod, 204-fixed 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 cylinder, 303-supporting cylinder, 304-guide wheel, 305-lead screw, 306-cross rod, 307-bottom support, 400-guide base, 401-sub base, 402-supporting convex strip, 403-mounting groove, 404-guide rail, 500-clutch piece, 501-fixing seat, 502-driving sleeve, 503-locking bolt, 600-end mounting plate, 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 presented 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 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 power mechanisms 100, 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 power mechanisms 100. The end power mechanism 100 of at least one of the present invention may drive any one or more adjustable formwork support mechanisms that move in a direction toward or away from the end power mechanism 100, and each of the end power mechanisms 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 power mechanisms 100, any one or a plurality of adjustable template supporting mechanisms are driven to move through the end power mechanisms 100, so that the distance between adjacent adjustable template supporting mechanisms is increased or decreased, the overall length change is 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 prefabricated box beams without independently repairing a beam making pedestal for each type of prefabricated beam, and the construction cost of the prefabricated beam field is reduced while the occupation requirement of the prefabricated beam field is reduced; according to the invention, when stretching, the precast beam is not required to be lifted and transported, only the end steel bars of the precast beam are required to be fixed with the adjustable template supporting mechanisms at the two ends, the stretching operation of the precast beam is realized by driving the two end power mechanisms 100 to stretch in opposite directions, after stretching is finished, the end steel bars of the precast beam are unfixed with the adjustable template supporting mechanisms, in general, the adjustable template supporting mechanisms and the end steel bars of the precast beam are fixed in such a way that the end steel bars extend out of the end steel bar connection end surfaces of the precast beam, then a limiting block is welded at the end parts of the end steel bars, the limiting block is propped against the end surfaces of the adjustable template supporting mechanisms, and after stretching is finished, the limiting block is sawed by an angle grinder; the invention can also adopt a limit nut to replace the limit block, the limit nut is in threaded connection with the end steel bar, the effect of the limit nut and the limit block is the same, and the disassembly is convenient, so that a plurality of process steps can be completed on the invention, the trouble caused by hoisting the precast beam for a plurality of times is avoided, and the program is saved; in addition, the invention can realize the transfer operation of the invention by the same-direction movement of the two end power mechanisms 100, namely, one end power mechanism 100 pulls and the other end power mechanism 100 pushes, thereby improving the transfer efficiency and reducing the strength of staff.
As a preferred embodiment of the present invention, as shown in fig. 1-2, the guiding base 400 includes a plurality of sub-bases 401, these sub-bases 401 are spliced end to end in sequence, each of the end power mechanism 100 and each of the adjustable formwork support mechanisms are movably placed on the guiding base 400, and the adjustable formwork support mechanisms located on the sub-bases 401 can translate out of the guiding base 400 along with the sub-bases 401. When the distance between the adjustable template supporting mechanisms is not limited to the limit of adjusting the distance between the adjustable template supporting mechanisms in order to adapt to the prefabricated box girders of 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 continuous sub-base 401 is moved out and carried with the adjustable template supporting mechanism thereon, and a new sub-base 401 is filled in the position to be continuous with other sub-bases 401; therefore, the number of the adjustable template supporting mechanisms is increased or decreased, and the adjustable template supporting mechanism is suitable for prefabricated box girders of corresponding types.
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 with a guide base 400, the girder-making formwork is assembled on the inner wall of the adjustment frame 200, and girder-making formworks on two adjustment frames 200 of adjacent adjustable formwork support mechanisms are connected with each other. The assembly and connection operation of the beam-making templates of corresponding models are realized by adjusting the spacing of the adjustable template supporting mechanisms. In order to facilitate the movement of the adjustable formwork support mechanism on the guide base 400, two support cylinders 303 are respectively mounted on the outer sides of the two side supports 301, the two support cylinders 303 are arranged at two ends of the side supports 301 in a splayed shape, and the lifting of the support frame 300 is realized by controlling the extension and retraction of the support cylinders 303, so that the bottom support 307 is contacted with or separated from the support convex strips 402 on the guide base 400, and when the adjustable formwork support mechanism needs to be moved, the support cylinders 303 are gradually extended and the bottom support 307 is separated from the support convex strips 402, and the adjustable formwork support mechanism is pulled or pushed to displace by controlling the end power mechanism 100. In this embodiment, in order to prevent the two support cylinders 303 from relatively moving or rotating at the connection point with the side support 301 and to affect the connection strength between the two support cylinders 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 provided 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 supporting ribs 402 in this embodiment is two, and the two supporting ribs 402 are configured on the guide base 400 and located between the two guide rails 404, and each of the two supporting ribs is identical to the extending direction of the guide rail 404. In order to avoid the interference of the guide rail 404 on the lifting of the support frame 300, the height of the support rib 402 is higher than that of the guide rail 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 lateral rods 206, and both ends of each lateral rod 206 are respectively inserted into and slidably connected with the two sub-parts of the adjusting bottom plate 201. The two adjusting side plates 202 in the 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 arranged at the side walls of the adjusting side plates 202 corresponding to the supporting frame 300, the adjusting cylinders 302 are arranged along the transverse direction of the adjusting side plates 202, and two ends of each adjusting cylinder 302 are respectively hinged to the side walls of the adjusting side plates 202 and the supporting frame 300. In this embodiment, a fixed angle plate 204 is detachably connected to the pivot connection position of the adjusting bottom plate 201 and the adjusting side plate 202, two ends of the fixed angle plate 204 extend to two ends of the adjusting bottom plate 201 respectively, the adjusting cylinder 302 drives the adjusting side plate 202 to act, so that the included angle between the adjusting side plate 202 and the side wall of the supporting frame 300 is changed to a prefabricated box beam of a corresponding model, and then the fixed angle plate 204 of a corresponding angle is selected to fix the adjusting side plate 202 and the side wall of the supporting frame 300. When the width of the adjusting bottom plate 201 is adjusted in this embodiment, the fixing angle plate 204 is first ensured to fix the side wall of the supporting frame 300 and the adjusting side plate 202, and then the adjusting cylinder 302 is driven to move, so that the two sub-portions of the adjusting bottom plate 201 are close to or far from each other, the width adjustment is realized, and after the adjustment is finished, the two sub-portions of the adjusting bottom plate 201 are respectively fixed with the transverse rod 206 by locking nails. When only the angle between the side plate 202 and the side wall of the supporting frame 300 is required to be adjusted, the two sub-parts of the adjusting bottom plate 201 are respectively fixed with the transverse rods 206 by adopting locking nails, the fixed angle plate 204 is removed, and then the action of the adjusting oil cylinder 302 is controlled to complete the angle adjustment. In this 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 lateral reinforcing ribs 208 are crisscrossed 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 to outer end portions of the adjustable formwork support mechanisms at both ends, respectively, and connection seats 601 are constructed at both end mounting plates 600, respectively. The end power mechanism 100 of this embodiment includes a forward and reverse rotation double-shaft motor 101, the forward and reverse rotation double-shaft motor 101 is detachably mounted on a connecting seat 601, two output shafts 102 of the forward and reverse rotation double-shaft motor 101 are respectively equipped with a traveling gear 103, racks are configured on the base and at the traveling gear 103, the traveling gear 103 is meshed with the racks, and the racks extend along the arrangement direction of the adjustable template supporting mechanism. An operator controls the forward and reverse rotation of the forward and reverse rotation double-shaft motor 101, and in the transmission process of the travelling 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 whole structure of the invention through the corresponding traveling gears 103, the stretching of the precast beam is realized, the power of the forward and reverse rotation double-shaft motors 101 can be changed, and different stretching loads of the precast beam are realized.
As a preferred embodiment of the present invention, as shown in fig. 8 to 9, the limiting columns 104 are respectively configured at two sides of the traveling gear 103, and the limiting columns 104 are coaxially disposed with the traveling gear 103, and two limiting platforms are configured on the guide base 400, wherein the limiting platforms are the supporting convex strips 402, and the limiting platforms and the supporting convex strips 402 may be arranged side by side instead of being the same component. Each limiting table extends along the arrangement direction of the adjustable template supporting mechanism, the middle part of each limiting table is provided with a mounting groove 403, the mounting grooves 403 extend to the other end along one end of each limiting table, the racks are mounted in the mounting grooves 403, the outer peripheral surfaces of the two limiting cylinders 104 on the traveling gear 103 are abutted on the upper surface of each limiting table, and therefore the traveling gear 103 is 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 supporting cylinder 303 contracts, in order to facilitate the supporting of the adjusting bottom plate 201 of the supporting frame 300 by the limiting stand and/or the supporting convex strips 402, a bar-shaped hole 106 is provided in the middle of the traveling gear 103, the bar-shaped hole 106 penetrates through the outer end of one limiting cylinder 104 from the outer end of the other limiting cylinder 104, the output shaft 102 of the counter-rotating dual-shaft motor 101 extends out of the traveling gear 103 through the bar-shaped hole 106, and a cushion block 105 is detachably connected in the bar-shaped hole 106. When the support frame 300 is supported by the guide base 400, the support cylinder 303 is controlled to extend, so that the traveling gear 103 is separated from the rack, namely, the traveling gear 103 is emptied, then the cushion block 105 is taken out, the traveling gear 103 is adjusted to be at an assembling position with the output shaft 102 along the strip-shaped hole 106, and finally, the support cylinder 303 is controlled to shrink until the guide base 400 is supported at the bottom of the support frame 300; when it is necessary to drive the whole structure of the present invention to walk, the operation is reversed according to the above-described procedure, the spacer 105 is fitted into the bar-shaped hole 106, and then the walking gear 103 is engaged with the rack. The running gear 103 of this embodiment may also be a gear ring structure with gear teeth uniformly configured on the outer peripheral surface, a sleeve is disposed on the inner ring of the gear ring, the sleeve coincides with the axis of the running gear 103, the inner wall of the sleeve is fixedly connected with the output shaft 102, the outer wall of the sleeve is rotationally 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, the sleeve is meshed with the gear rack and drives the invention to integrally advance or retreat in the rotation process of the running gear 103; when the fixed connection of the fastening bolt to the sleeve and the gear ring is released, although the running gear 103 is meshed with the gear rack, the output shaft 102 drives the sleeve to rotate in the rotating process of the output shaft 102, and the running gear 103 and the gear rack are in a static state.
As a preferred embodiment of the present invention, as shown in fig. 5-7, each output shaft 102 of the counter-rotating bi-axial motor 101 is drivingly connected to each adjustable formwork support mechanism by a drive assembly. 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 the corresponding side of each adjustable template supporting mechanism and 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, the connecting rods 108 are provided for the adjustable formwork support mechanisms at both ends, and the connecting rods 108 are connected to the corresponding right angle gearboxes 107. The rest adjustable template supporting mechanisms are respectively provided with a screw rod 305, the screw rods 305 on the adjacent adjustable template supporting mechanisms are mutually connected, and the screw threads of the screw rods 305 are in a form of continuous screw threads after being connected. The lead screw 305 on each adjustable formwork support mechanism of this embodiment is threaded onto the clutch member 500 thereon, respectively. The connecting rod 108 of this embodiment may be a screw 305 or a rod with a smooth surface. When one or more adjustable template supporting mechanisms are required to be driven to displace, and the whole length of the invention is changed, the clutch piece 500 on the adjustable template supporting mechanism which does not need to displace is in a state of not being in threaded transmission with the screw rod 305, and the clutch piece 500 on other adjustable template supporting mechanisms is in a state of being in threaded transmission with the screw rod 305, so that after the running gear 103 is separated from the rack, the screw rod 305 is driven to rotate by the counter-rotating double-shaft motor 101 through the right-angle gearbox 107, so that the corresponding adjustable template supporting mechanism generates displacement, the other counter-rotating double-shaft motor 101 can also act simultaneously, and the two counter-rotating double-shaft motors 101 drive the screw rod 305 to rotate in the forward direction or the reverse direction simultaneously, and the service life of the screw rod 305 is prevented from being reduced under the long-time running state due to the fact that the screw rod 305 bears larger shearing force.
As a preferred embodiment of the present invention, as shown in fig. 6, the clutch member 500 includes a fixed seat 501 and a driving sleeve 502, wherein the fixed seat 501 is detachably mounted on a side wall of the adjustable template supporting mechanism, the driving sleeve 502 is rotatably connected in the fixed seat 501, the screw rod 305 passes through the driving sleeve 502 and is in threaded connection with the driving sleeve 502, a plurality of locking bolts 503 are in threaded connection with the fixed seat 501, and by rotating the locking bolts 503, the end parts of the locking bolts 503 are abutted against the driving sleeve 502, thereby locking the driving sleeve 502 and the fixed seat 501 is realized, and the screw rod 305 drives the adjustable template supporting mechanism to move through the fixed seat 501 by the driving sleeve 502; or the locking bolt 503 is screwed out partially, so that the end part of the locking bolt 503 is separated from the transmission sleeve 502, and the transmission sleeve 502 synchronously rotates with the screw rod 305 in the rotating process, thereby realizing that the adjustable template supporting mechanism does not displace.
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 extend out of the side wall of the adjustable formwork support mechanism, respectively, and the guide rods 209 on two adjacent adjustable formwork support mechanisms are connected to each other. The guide rod 209 of the present embodiment is slidably mounted on the adjustment side plate 202, so that when the included angle between the adjustment side wall and the adjustment bottom plate 201 is adjusted, the adjustment side walls of different adjustable formwork support mechanisms are synchronously adjusted due to the action of the guide rod 209.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. An initiative drive formula flexible system beam pedestal, its characterized in that: the adjustable template support mechanisms are detachably connected with the corresponding end power mechanisms, at least one of the end power mechanisms can drive any one or more adjustable template support mechanisms to move in a direction approaching to or far from the end power mechanisms, and each end power mechanism and each adjustable template support mechanism are mounted on the guide base; the end power mechanism comprises a forward and reverse rotation double-shaft motor which is detachably arranged on the connecting seat, two output shafts of the forward and reverse rotation double-shaft motor are respectively provided with a traveling gear, racks are formed on the base and at the traveling gears, the traveling gears are meshed with the racks, and the racks extend along the arrangement direction of the adjustable template supporting mechanism; the two sides of the walking gear are respectively provided with a limiting cylinder, the limiting cylinders 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 part of each limiting table is provided with a mounting groove, each mounting groove extends to the other end along one end of each limiting table, the racks are mounted in the mounting grooves, the peripheral surfaces of the two limiting cylinders are abutted to the upper surface of each limiting table, a strip-shaped hole penetrates through the outer end part of the other limiting cylinder from the outer end part of one limiting cylinder, the output shaft extends 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 component; 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 walls of the adjustable template supporting mechanism and the corresponding side of the right-angle gear box in the length direction, a lead screw is connected to each clutch piece in a threaded manner, 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 manner, two ends of the guide rod extend out of the side wall of the adjustable template supporting mechanism respectively, and the guide rods on two adjacent adjustable template supporting mechanisms are connected with each other; 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 screw rod 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 to the transmission sleeve.
2. An actively driven telescopic girder block according to claim 1, characterized in that: the guide base comprises a plurality of sub-bases which are spliced end to end in sequence, each end power mechanism and each adjustable template supporting mechanism are movably arranged on the guide base, and the adjustable template supporting mechanisms positioned on the sub-bases can translate out of the guide base along with the sub-bases.
3. An actively driven telescopic girder block according to claim 1, characterized in that: the adjustable template supporting mechanism comprises an adjusting frame arranged in the supporting frame, the supporting frame is in sliding connection with the guide base, the beam making templates are assembled on the inner wall of the adjusting frame, and the beam making templates on the two adjusting frames of the adjacent adjustable template supporting mechanism are mutually connected.
4. An actively driven telescopic girder block according to claim 3, characterized in that: the support frame comprises two side supports which are oppositely arranged, a bottom support is arranged at the lower ends of the two side supports, two support cylinders which are arranged in a splayed shape are respectively arranged at the outer sides of the two side supports, guide wheels are arranged at the lower ends of the support cylinders, two guide rails are arranged on a guide base, one guide wheel rolls on the corresponding guide rail, two support convex strips which are identical to the extending direction of the guide rails are constructed on the guide base and between the two guide rails, and the heights of the support convex strips are higher than those of the guide rails.
5. An actively driven telescopic girder block according to claim 3, characterized in that: the adjusting frame comprises an adjusting bottom plate with adjustable width, wherein the adjusting bottom plate is contacted with the lower end of the supporting frame, two sides of the adjusting bottom plate are respectively pivoted with adjusting side plates, and the adjusting side plates are connected with the corresponding side walls of the supporting frame through a plurality of adjusting cylinders which are transversely arranged.
6. An actively driven telescopic girder block according to claim 5, characterized in that: the pivot joint of the adjusting bottom plate and the adjusting side plate is detachably connected with a fixed angle plate, and two ends of the fixed angle plate extend to two ends of the adjusting bottom plate respectively.
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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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| CN114953167A CN114953167A (en) | 2022-08-30 |
| CN114953167B true CN114953167B (en) | 2024-01-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| 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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| CN211941375U (en) * | 2020-03-13 | 2020-11-17 | 中电建路桥集团有限公司 | Self-propelled hydraulic formwork for prefabricated box girder |
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| JPH0732344A (en) * | 1993-07-16 | 1995-02-03 | P S Co Ltd | Adjusting apparatus for fabricating stand of precast block |
| CN104859048A (en) * | 2015-06-19 | 2015-08-26 | 中交一公局第五工程有限公司 | Self-propelled integral hydraulic precast box beam formwork device |
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| CN114953167A (en) | 2022-08-30 |
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