CN115519657A - Fixing and positioning device for embedded bolts of prefabricated stairs and construction method - Google Patents
Fixing and positioning device for embedded bolts of prefabricated stairs and construction method Download PDFInfo
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- CN115519657A CN115519657A CN202211229288.0A CN202211229288A CN115519657A CN 115519657 A CN115519657 A CN 115519657A CN 202211229288 A CN202211229288 A CN 202211229288A CN 115519657 A CN115519657 A CN 115519657A
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- 238000010276 construction Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 244000309464 bull Species 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims 1
- 230000008569 process Effects 0.000 description 6
- 229920001296 polysiloxane Polymers 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000000181 anti-adherent effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000001179 sorption measurement Methods 0.000 description 1
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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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
- B28B7/225—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units for making stairs or stair units comprising more than one step
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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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
- B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a prefabricated staircase embedded bolt fixing and positioning device and a construction method, and particularly relates to the technical field of prefabricated staircase construction. The invention can quickly adjust the position of the embedded bolt according to the actual position of the preformed hole on the prefabricated staircase, and has flexibility and good accuracy.
Description
Technical Field
The invention relates to the technical field of prefabricated staircase construction, in particular to a fixing and positioning device for embedded bolts of a prefabricated staircase and a construction method.
Background
The prefabricated staircase is an important component of an assembled building as one of prefabricated components, and has the following advantages: 1. safety, for construction workers, the relatively stable working environment in a factory is higher than the safety factor of complex site operation; 2. quality: the quality and the process of the building components are better controlled through mechanized production; 3. speed: the standardization of the size and the characteristics of the prefabricated member can obviously accelerate the installation speed and the construction project progress; 4. cost: compared with the traditional on-site molding, the mold in a factory can be repeatedly recycled, and the comprehensive cost is lower; 5. the mechanized production has less requirement on labor, and the cost advantage of the prefabricated part produced in scale is more and more obvious along with the continuous rise of labor cost; 6. environment: the field operation amount of the building site adopting the prefabricated member is obviously reduced, and the dust pollution and the noise pollution are obviously reduced. And as the country requires that the construction project must satisfy the requirement of assembly rate, consequently, prefabricated staircase more and more popularizes and applies in the engineering project.
However, in the prior art, the prefabricated staircase preformed hole that the mill actually produced often can lead to bolt adjustment difficulty when later stage prefabricated staircase installation is adorned because of the deviation appears, influences the installation effectiveness, and when the deviation is great, the on-the-spot in order to ensure that prefabricated staircase can normally install, will reserve the phenomenon that the bolt excision takes place occasionally to influence structural safety.
The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides a fixing and positioning device for embedded bolts of a prefabricated staircase and a construction method, which are used for rapidly and accurately positioning the positions of the embedded bolts according to the actual positions of the preformed holes on the prefabricated staircase so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a prefabricated stair embedded bolt fixed position device, is including being vertical parallel arrangement's preceding curb plate and posterior lateral plate, the fixed bottom plate that is equipped with between preceding curb plate and the posterior lateral plate, preceding curb plate surface top both ends all run through and have seted up logical groove, and two lead to the groove and be level to parallel arrangement, the posterior lateral plate has seted up the strip groove towards the position department that preceding curb plate one side bottom corresponds the logical groove, is to correspond to be provided with the horizontal bar between logical groove and the strip groove of setting, and two horizontal bar both ends are all fixed to be equipped with the picture peg, and the picture peg at horizontal bar both ends is sliding connection respectively in the logical groove and the strip inslot portion that correspond the position, and two horizontal bar middle parts are all vertical fixed to run through and are equipped with the drum, the vertical run through of the position department that corresponds the drum at bottom plate top, and seted up the sleeve has been cup jointed to two equal screw threads on drum top, the vertical threaded groove that runs through of sleeve top central point, the position department that posterior lateral plate one side corresponds two logical grooves all is provided with the rack, the one end that the picture peg that lies in logical groove was kept away from the horizontal bar and the rack fixed connection that the L one end was kept away from before the fixed side of the curb plate was equipped with the L fixed bearing mechanism is equipped with L is equipped with the L fixed bearing and is equipped with the L after the fixed side board before the fixed bearing and is equipped with the curb plate, the L is equipped with the fixed bearing mechanism, the L is equipped with the fixed side board before the L.
As a further limitation of the technical scheme of the invention: lie in lead to the equal fixed connection vertical retort in one end top that inside picture peg of groove extended to the front side board outside, two vertical retort tops are all fixed and are equipped with the awl piece, front side board surface top is provided with the scale mark.
As the technical scheme of the invention is further limited: one end face of the vertical bar at the position far away from the conical block is fixedly provided with an amplifying lens towards one side of the front side plate.
As the technical scheme of the invention is further limited: all guide grooves are formed in the middle of the top end face and the middle of the bottom end face of the strip groove inner cavity, guide blocks are fixedly arranged at positions, corresponding to the guide grooves, of the surfaces of the inserting plates located in the strip grooves, and the guide blocks are connected inside the guide grooves at the corresponding positions in a sliding mode.
As a further limitation of the technical scheme of the invention: and the bottom end face of the bottom plate is fixedly coated with an anti-sticking film layer.
As a further limitation of the technical scheme of the invention: the outer peripheral surface of the sleeve is provided with a plurality of arc grooves which are uniformly distributed in an annular shape, and each arc groove is fixedly wrapped with an anti-slip mat.
As a further limitation of the technical scheme of the invention: and a plurality of fastening grooves which are uniformly distributed in an annular shape are formed in the edge position of one side of the circular plate in a penetrating manner.
As a further limitation of the technical scheme of the invention: and the top of one end of the L-shaped supporting plate, which is far away from the rear side plate, is provided with a counterweight groove.
As a further limitation of the technical scheme of the invention: the reinforcing mechanism is including the vertical fixed ring section of thick bamboo that runs through the cover and locate L type layer board, the ring section of thick bamboo is located the fixed silica gel sucking disc that is equipped with of one end of L type layer board bottom and is located the one end fixed surface at L type layer board top and installs two fixed plates that are vertical parallel arrangement, the inside movable sleeve of ring section of thick bamboo is equipped with the lifter, the fixed piston that is equipped with sliding connection in the ring section of thick bamboo bottom rotates between two fixed plates and installs the trip lever that is closed loop setting, the fixed cover of position department that the trip lever outer peripheral face is located between two fixed plates is equipped with gear one, the fixed tooth piece that is vertical collineation setting of position department that the lifter outer peripheral face corresponds gear one is equipped with a plurality of tooth pieces that are, and gear one meshes with the tooth piece mutually, the fixed piece that is equipped with of position department that the ring section of thick bamboo outer peripheral face corresponds gear one, the fixed block has run through the L template towards one side activity of gear one, fixedly connected with the spring between L template and the fixed piece, and the L surface is close to the fixed baffle that is perpendicular setting with the ring section of one end of gear one.
The invention also provides a construction method adopting the fixing and positioning device for the embedded bolts of the prefabricated staircase, which specifically comprises the following operation steps:
s1: pouring a stepped ladder beam, ensuring the smoothness of the primary upper surface of the ladder beam, and reserving a sink groove with the length larger than that of the bottom plate in the middle of the secondary upper surface carrying the prefabricated staircase;
s2: attaching a bottom plate to the secondary upper surface, arranging an L-shaped supporting plate on the primary upper surface, fixedly mounting the L-shaped supporting plate on the primary upper surface through a reinforcing mechanism, and starting an air cylinder to drive a front side plate and a rear side plate to be respectively attached to the side surfaces of the corresponding positions of the ladder beam;
s3: measuring the distance between the reserved holes on the finished prefabricated staircase, and driving the gear II to rotate by rotating the circular plate to enable the two racks to move in the opposite direction or in the opposite direction, so that the two cylinders are respectively aligned with the reserved holes in the corresponding positions;
s4: inserting one end of the embedded bolt, which is connected with a backing plate, along the cylinder, sinking the backing plate to the bottom of the inner cavity of the sinking groove, aligning the thread groove on the sleeve with the embedded bolt, screwing the sleeve to the top end of the cylinder, and positioning the position of the embedded bolt by utilizing double thread connection among the sleeve, the embedded bolt and the cylinder;
s5: concrete is injected into the sinking groove from the neutral area between the bottom plate and the sinking groove and then is solidified, so that the embedded bolt can be accurately positioned;
s6: and screwing the sleeve, separating the cylinder and the embedded bolt, releasing the limitation of the reinforcing mechanism on the position of the L-shaped supporting plate, and vertically and upwards removing the device.
The invention has the technical effects and advantages that:
1. according to the invention, the embedded position of the embedded bolt is quickly adjusted according to the actual position of the preformed hole on the prefabricated staircase, so that the original preformed bolt cannot be cut off due to the deviation of the preformed hole of the prefabricated staircase, the structural safety of the prefabricated staircase is further influenced, and the embedded position of the embedded bolt is quickly and conveniently adjusted;
2. the embedded bolt embedding device has the advantages that the scale marks are arranged on the surface of the front side plate, and the accurate control of the embedded bolt embedding position is realized by matching with the conical block with the magnifying lens;
3. according to the invention, the L-shaped supporting plate is fixed on the upper surface of the first level of the ladder beam in a negative pressure adsorption mode and is pressed by matching with a heavy object such as a brick block and the like placed in the counterweight groove, so that the device can be prevented from being easily taken during the use process, and the device is convenient and quick to assemble and disassemble.
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 embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the bottom plate structure of the present invention.
Fig. 3 is a half-sectional view of the sleeve of the present invention.
Fig. 4 is an enlarged view of a portion a of fig. 1 according to the present invention.
Fig. 5 is an enlarged view of portion B of fig. 1 according to the present invention.
FIG. 6 is a schematic view of the structure of the horizontal bar of the present invention.
Fig. 7 is a schematic view of the reinforcing mechanism of the present invention.
FIG. 8 is a schematic view of the construction state of the present invention.
The reference signs are: 1. a front side plate; 2. a rear side plate; 3. an L-shaped supporting plate; 4. a cylinder; 5. a reinforcement mechanism; 51. a ring cylinder; 52. a silica gel sucker; 53. a lifting rod; 54. a piston; 55. fixing a plate; 56. a first gear; 57. a turning rod; 58. a tooth block; 59. fixing blocks; 510. an L-shaped plate; 511. a spring; 512. a baffle plate; 6. a base plate; 7. a through groove; 8. a strip groove; 9. a horizontal bar; 10. inserting plates; 11. a cylinder; 12. a sleeve; 13. a rack; 14. a second gear; 15. a rotating rod; 16. a circular plate; 17. a material passing groove; 18. scale lines; 19. vertical bars; 20. a conical block; 21. an anti-adhesive film layer; 22. a guide block; 23. a guide groove; 24. a magnifying lens; 25. buckling grooves; 26. an arc groove; 27. a non-slip mat; 28. a thread groove; 29. a counterweight groove; 30. a ladder beam; 31. embedding bolts in advance; 32. a base plate; 33. and (5) sinking the tank.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the embodiments of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, etc. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
Example 1
Referring to the attached drawings 1-6 and 7 in the specification, the fixing and positioning device for the embedded bolts of the prefabricated staircase comprises a front side plate 1 and a rear side plate 2 which are vertically arranged in parallel, a bottom plate 6 is fixedly arranged between the front side plate 1 and the rear side plate 2, through grooves 7 are respectively formed in the two ends of the top of the surface of the front side plate 1 in a penetrating manner, the two through grooves 7 are arranged in parallel in the horizontal direction, the bottom end of one side of the rear side plate 2 facing the front side plate 1, which corresponds to the through grooves 7, is provided with a strip groove 8, a transverse strip 9 is arranged between the through grooves 7 and the strip groove 8 which are arranged correspondingly, two ends of the two transverse strips 9 are both fixedly provided with inserting plates 10, and the picture peg 10 at horizontal bar 9 both ends is inside in logical groove 7 and the strip groove 8 of sliding connection in corresponding position respectively, two horizontal bar 9 middle parts are all vertical fixed to run through and are equipped with drum 11, the position department that bottom plate 6 top corresponds drum 11 is vertical to run through and has seted up silo 17, two equal screw thread cup joints in drum 11 top have sleeve 12, sleeve 12 top central point puts vertical to run through and has seted up thread groove 28, preceding curb plate 1 keeps away from 2 one side of posterior lateral plate and all is provided with rack 13 corresponding to two position departments that lead to groove 7, the one end that picture peg 10 that is located inside logical groove 7 keeps away from horizontal bar 9 runs through logical groove 7 and with the rack 13 fixed connection of position, be provided with gear two 14 between two rack opposite sides 13, gear two 14 central point fixed run through the cover is equipped with bull stick 15, the one end that bull stick 15 is close to preceding curb plate 1 rotates through bearing and is connected with preceding curb plate 1 and keeps away from the one end fixed being equipped with plectane 16 of preceding curb plate 1, one side that posterior curb plate 2 kept away from preceding curb plate 1 is provided with L type layer board 3,L type layer board 3 and posterior curb plate 2 fixed mounting between one end that the side was equipped with the four corners was equipped with the reinforcing mechanism 5 that the fixed.
It should be noted that the bottom end surface of the bottom plate 6 and the bottom end surface of the rear side plate 2 are arranged in a horizontal coplanar manner; the inner diameter of the cylinder 11 is equal to the width of the material passing groove 17, the bottom end surface of the cylinder 11 is movably attached to the top end surface of the bottom plate 6, the bottom plate 6 is attached to the second-level upper surface in the process of accurately positioning the embedded bolts 31, the L-shaped supporting plate 3 is arranged on the first-level upper surface, the L-shaped supporting plate 3 is fixedly arranged on the first-level upper surface through the reinforcing mechanism 5, the air cylinder 4 is started to drive the front side plate 1 and the rear side plate 2 to be respectively attached to the side surfaces of the corresponding positions of the ladder beam 30, after the device is installed, the distance between the reserved holes on the finished prefabricated staircase is measured, the circular plate 16 is rotated to drive the second gear 14 to rotate, the two racks 13 move towards or away from each other, and the two cross bars 9 are driven to move towards or away from each other until the two cylinders 11 are respectively aligned with the reserved holes of the corresponding positions, then, one end of the embedded bolt 31, which is connected with the backing plate 32, is inserted along the cylinder 11, the backing plate 32 is sunk to the bottom of the inner cavity of the sinking groove 33, the thread groove 28 in the sleeve 12 is aligned with the embedded bolt 31 and then screwed to the top end of the cylinder 11, the position of the embedded bolt 31 is positioned by utilizing the double-thread connection between the sleeve 12 and the embedded bolt 31 and the cylinder 11, then concrete is injected into the sinking groove 33 from the neutral zone between the bottom plate 6 and the sinking groove 33 and then solidified, so that the embedded bolt 31 can be accurately positioned, after the device is used, the sleeve 12 is screwed to be separated from the cylinder 11 and the embedded bolt 31, the limitation of the reinforcing mechanism 5 on the position of the L-shaped supporting plate 3 is removed, and the device vertically upwards removes the ladder beam 30 to accurately install the prefabricated staircase.
In this embodiment, the picture peg 10 that is located logical groove 7 inside extends to the equal fixed connection vertical bar 19 in one end top in the 1 outside of preceding curb plate, two 19 tops of vertical bar are all fixed and are equipped with awl piece 20, 1 surperficial top of preceding curb plate is provided with scale mark 18, awl piece 20 is kept away from 19 one end of position vertical bar of place and is fixed being provided with magnifying lens 24 towards one side of preceding curb plate 1, wherein, the most advanced position of awl piece 20 can take place the coincidence with scale mark 18 just, so that the operation personnel can be clear fast obtain the distance between two embedded bolts 31, meanwhile, magnifying lens 24's setting can further reduce the visual error when operation personnel observe the scale mark digit.
In this embodiment, all the guide grooves 23 are opened in the middle of the top end surface and the middle of the bottom end surface of the cavity of the strip groove 8, the guide block 22 is fixedly arranged at the position, corresponding to the guide groove 23, on the surface of the insert plate 10 inside the strip groove 8, and the guide block 22 is slidably connected inside the guide groove 23 at the corresponding position, so that the horizontal bar 9 can be ensured to perform stable horizontal movement, and the situation that the positioning accuracy of the embedded bolt 31 is affected due to the deflection of the inactive end of the horizontal bar 9 in the moving process is prevented.
In this embodiment, the fixed cladding of 6 bottom end faces of bottom plate has anti-adhesion film layer 21, can prevent at the in-process of the fixed buried bolt 31 of concreting that the concrete from gluing on bottom plate 6, and it leads to 6 bottom end faces unevenness of bottom plate easily for a long time, and then leads to buried bolt 31 can appear the deviation in the vertical direction at fixed in-process.
In this embodiment, a plurality of arc grooves 26 that are annular evenly distributed are seted up to sleeve 12 outer peripheral face, and the inside fixed cladding of every arc groove 26 has slipmat 27, conveniently holds sleeve 12 and screws up or unscrew to increase the contact frictional force between operation personnel hand and the sleeve 12, avoid twisting the condition that the in-process appears the hand slippage.
In this embodiment, a plurality of fastening grooves 25 are formed at an edge of one side of the circular plate 16, so that the circular plate 16 can be conveniently gripped to drive the second gear 14 to rotate synchronously with the rotating rod 15.
In this embodiment, a counterweight groove 29 is formed in the top of the end of the L-shaped supporting plate 3 away from the rear side plate 2, a weight such as a brick can be added into the counterweight groove 29 to press the L-shaped supporting plate 3, and the reinforcing mechanism 5 is matched to increase the connection stability between the L-shaped supporting plate 3 and the upper surface of the first level of the ladder beam 30.
Example 2
Referring to the attached drawings 1 and 7 in the specification, a reinforcing mechanism 5 according to an embodiment of the present invention includes an annular cylinder 51 vertically and fixedly sleeved on an L-shaped supporting plate 3 in a penetrating manner, a silicone suction cup 52 is fixedly disposed at one end of the annular cylinder 51 located at the bottom of the L-shaped supporting plate 3, two fixed plates 55 vertically and parallel to each other are fixedly disposed on one end surface of the top of the L-shaped supporting plate 3, a lifting rod 53 is movably sleeved inside the annular cylinder 51, a piston 54 slidably connected inside the annular cylinder 51 is fixedly disposed at the bottom end of the lifting rod 53, a turning rod 57 arranged in a closed loop is rotatably disposed between the two fixed plates 55, a first gear 56 is fixedly sleeved on the outer circumferential surface of the turning rod 57 at a position between the two fixed plates 55, a plurality of collinear tooth blocks 58 vertically disposed are fixedly disposed on the outer circumferential surface of the lifting rod 53 at a position corresponding to the first gear 56, the first gear 56 is engaged with the tooth blocks 58, a fixed block 59 is fixedly disposed on the outer circumferential surface of the annular cylinder 51 at a position corresponding to the first gear 56, an L510 is movably inserted through one side of the fixed block 59, a spring 510 is fixedly connected to the fixed plate 512 arranged at a position adjacent to the L-shaped plate 512.
It should be noted that, when the spring 511 is in a natural state, the baffle 512 and the turning rod 57 parallel to the central axis of the ring cylinder 51 are arranged away from each other, and the elastic restoring force generated when the spring 511 is stretched is greater than the suction force generated by the negative pressure cavity between the silicone suction cup 52 and the primary upper surface of the ladder beam 30, wherein, in the process of fixing the L-shaped pallet 3 on the primary upper surface of the ladder beam 30, the bottom end face of the silicone suction cup 52 is attached to the primary upper surface of the ladder beam 30, and then the turning rod 57 is deflected in the direction of the fixed block 59, so as to drive the gear 56 to rotate, since the gear 56 is engaged with the toothed block 58, the turning rod 57 drives the lifting rod 53 to move vertically upward in the deflecting process, so as to drive the piston 54 to move upward along the inner wall of the ring cylinder 51, so that the cavity formed between the silicone suction cup 52 and the primary upper surface of the ladder beam 30 is in a negative pressure state, so as to fix the L-shaped pallet 3 on the primary upper surface of the ladder beam 30, and after deflecting the turning rod 57 to a certain angle, pull the side of the gear 56 to drive the silicone suction cup 510 to move, so as to drive the baffle 512 to fix the upper surface of the baffle 512 and fix the primary upper surface of the ladder beam 30, thereby to maintain the bolt 511 and fix the embedded plate 31, and to maintain the primary bolt, and fix the post-embedded plate 31, so as to maintain the stability of the L-shaped pallet 30, and to maintain the post-embedded bolt, and to maintain the primary embedded plate 5.
The invention also provides a construction method adopting the fixing and positioning device for the embedded bolts of the prefabricated staircase, which specifically comprises the following operation steps:
s1: pouring the stepped ladder beam 30, ensuring the smoothness of the primary upper surface of the ladder beam 30, and reserving a sinking groove 33 with the length larger than that of the bottom plate 6 in the middle of the secondary upper surface for carrying the prefabricated staircase;
s2: attaching a bottom plate 6 to the secondary upper surface, placing an L-shaped supporting plate 3 on the primary upper surface, fixedly installing the L-shaped supporting plate 3 on the primary upper surface through a reinforcing mechanism 5, and starting an air cylinder 4 to drive a front side plate 1 and a rear side plate 2 to be respectively attached to the side surfaces of the corresponding positions of the ladder beam 30;
s3: measuring the distance between the reserved holes on the finished prefabricated staircase, and driving the gear II 14 to rotate by rotating the circular plate 16 to enable the two racks 13 to move in the opposite direction or in the opposite direction, so that the two cylinders 11 are respectively aligned with the reserved holes in the corresponding positions;
s4: inserting one end of the embedded bolt 31, which is connected with the backing plate 32, along the cylinder 11, sinking the backing plate 32 to the bottom of the inner cavity of the sinking groove 33, aligning the thread groove 28 on the sleeve 12 with the embedded bolt 31, then screwing the thread groove to the top end of the cylinder 11, and positioning the position of the embedded bolt 31 by utilizing the double-thread connection among the sleeve 12, the embedded bolt 31 and the cylinder 11;
s5: concrete is injected into the sinking groove 33 from the neutral area between the bottom plate 6 and the sinking groove 33 and then is solidified, so that the embedded bolt 31 can be accurately positioned;
s6: screwing the sleeve 12, separating the cylinder 11 and the embedded bolt 31, releasing the limitation of the reinforcing mechanism 5 on the position of the L-shaped supporting plate 3, and vertically and upwardly removing the device.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and are not to be construed as limiting the scope of the invention.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a pre-buried bolt fixed position device of prefabricated stair which characterized in that: comprises a front side plate (1) and a rear side plate (2) which are vertically arranged in parallel, a bottom plate (6) is fixedly arranged between the front side plate (1) and the rear side plate (2), both ends of the top of the surface of the front side plate (1) are penetrated and provided with through grooves (7), the two through grooves (7) are arranged in parallel in horizontal direction, a strip groove (8) is arranged at the position of the rear side plate (2) facing to the bottom of one side of the front side plate (1) corresponding to the through groove (7), a horizontal bar (9) is arranged between the corresponding through groove (7) and the strip groove (8), two inserting plates (10) are fixedly arranged at both ends of the two horizontal bars (9), and picture peg (10) at horizontal bar (9) both ends are inside respectively sliding connection in logical groove (7) and strip groove (8) of corresponding position, and equal vertical fixed running through in two horizontal bar (9) middle parts is equipped with drum (11), the vertical run through of position department that corresponds drum (11) at bottom plate (6) top has seted up silo (17), and sleeve (12) have been cup jointed to two drum (11) top equal screw threads, sleeve (12) top central point puts the vertical run through and has seted up thread groove (28), the position department that posterior lateral plate (2) one side corresponds two logical grooves (7) is kept away from in preceding curb plate (1) all is provided with rack (13), and the one end that horizontal bar (9) were kept away from in picture peg (10) that are located logical groove (7) inside runs through rack (13) Lead to groove (7) and with rack (13) fixed connection of position, be provided with gear two (14) between two rack (13) opposite sides, gear two (14) central point puts the fixed cover that runs through and is equipped with bull stick (15), bull stick (15) are close to the one end of preceding curb plate (1) and are connected and keep away from the one end of preceding curb plate (1) and fix and be equipped with plectane (16) through bearing and preceding curb plate (1) rotation, one side that preceding curb plate (1) was kept away from in posterior lateral plate (2) is provided with L type layer board (3), fixed mounting has cylinder (4) between L type layer board (3) and posterior lateral plate (2) the opposite side, the one end four corners position that posterior lateral plate (2) were kept away from in L type layer board (3) all fixed reinforcement mechanism (5) that is equipped with.
2. The fixing and positioning device for the embedded bolts of the prefabricated staircase according to the claim 1, is characterized in that: be located through the equal fixed connection vertical retort in one end top (19) that picture peg (10) inside groove (7) extended to preceding curb plate (1) outside, two vertical retort (19) tops all are fixed and are equipped with awl piece (20), preceding curb plate (1) surface top is provided with scale mark (18).
3. The fixing and positioning device for the embedded bolts of the prefabricated stairway as claimed in claim 2, characterized in that: one end of the conical block (20) far away from the vertical bar (19) at the position is fixedly provided with an amplifying lens (24) facing one side of the front side plate (1).
4. The fixing and positioning device for the embedded bolts of the prefabricated staircase according to the claim 1, is characterized in that: all guide grooves (23) are formed in the middle of the top end face and the middle of the bottom end face of an inner cavity of the strip groove (8), a guide block (22) is fixedly arranged at the position, corresponding to the guide grooves (23), of the surface of the inserting plate (10) located inside the strip groove (8), and the guide block (22) is connected inside the guide grooves (23) at the corresponding position in a sliding mode.
5. The fixing and positioning device for the embedded bolts of the prefabricated staircase according to the claim 1, is characterized in that: the bottom end face of the bottom plate (6) is fixedly coated with an anti-sticking film layer (21).
6. The fixing and positioning device for the embedded bolts of the prefabricated staircase according to the claim 1, is characterized in that: the outer peripheral surface of the sleeve (12) is provided with a plurality of arc grooves (26) which are uniformly distributed in an annular shape, and each arc groove (26) is fixedly wrapped with an anti-slip pad (27).
7. The fixing and positioning device for the embedded bolts of the prefabricated staircase according to the claim 1, is characterized in that: and a plurality of fastening grooves (25) which are uniformly distributed in an annular shape are formed in the edge position of one side of the circular plate (16) in a penetrating way.
8. The fixing and positioning device for the embedded bolts of the prefabricated staircase according to the claim 1, is characterized in that: and a counterweight groove (29) is formed in the top of one end, far away from the rear side plate (2), of the L-shaped supporting plate (3).
9. The fixing and positioning device for the embedded bolts of the prefabricated staircase according to the claim 1, is characterized in that: the reinforcing mechanism (5) comprises a vertical fixed ring cylinder (51) which is sleeved on the L-shaped supporting plate (3) in a penetrating way, wherein one end of the ring cylinder (51) positioned at the bottom of the L-shaped supporting plate (3) is fixedly provided with a silica gel sucker (52) and one end of the ring cylinder positioned at the top of the L-shaped supporting plate (3) is fixedly provided with two fixed plates (55) which are vertically arranged in parallel, a lifting rod (53) is movably sleeved in the ring cylinder (51), a piston (54) which is connected in the ring cylinder (51) in a sliding way is fixedly arranged at the bottom end of the lifting rod (53), a turnover rod (57) which is arranged in a closed loop is rotatably arranged between the two fixed plates (55), the fixed cover in position department that upset pole (57) outer peripheral face is located between two stator (55) is equipped with gear (56), the fixed tooth piece (58) that are vertical collineation setting that are equipped with in position department of lifter (53) outer peripheral face corresponding gear (56), and gear (56) mesh mutually with tooth piece (58), the fixed stator (59) that are equipped with in position department of ring section of thick bamboo (51) outer peripheral face corresponding gear (56), stator (59) are run through the grafting towards one side activity of gear (56) and are had L template (510), fixedly connected with spring (511) between L template (510) and stator (59), and the one end that L template (510) surface is close to gear (56) is fixed be equipped with ring section of thick bamboo (51) ) A baffle (512) arranged vertically.
10. A construction method for fixing and positioning the pre-embedded bolts of the prefabricated staircase according to any one of the claims 1 to 9, which is characterized in that: the method specifically comprises the following operation steps:
s1: pouring the stepped ladder beam (30), ensuring the smoothness of the primary upper surface of the ladder beam (30), and simultaneously reserving a sinking groove (33) with the length larger than that of the bottom plate (6) in the middle of the secondary upper surface for carrying the prefabricated staircase;
s2: attaching a bottom plate (6) to the secondary upper surface, arranging an L-shaped supporting plate (3) on the primary upper surface, fixedly installing the L-shaped supporting plate (3) on the primary upper surface through a reinforcing mechanism (5), and starting a cylinder (4) to drive a front side plate (1) and a rear side plate (2) to be respectively attached to the side surfaces of the corresponding positions of the ladder beam (30);
s3: measuring the distance between the preformed holes on the finished prefabricated staircase, and driving a second gear (14) to rotate by rotating a circular plate (16) to enable two racks (13) to move in the opposite direction or in the opposite direction, so that two cylinders (11) are respectively aligned with the preformed holes in the corresponding positions;
s4: inserting one end of the embedded bolt (31) connected with a backing plate (32) along the cylinder (11), sinking the backing plate (32) to the bottom of an inner cavity of the sinking groove (33), aligning a thread groove (28) on the sleeve (12) with the embedded bolt (31), then screwing the threaded groove to the top end of the cylinder (11), and positioning the position of the embedded bolt (31) by utilizing double-thread connection among the sleeve (12), the embedded bolt (31) and the cylinder (11);
s5: concrete is injected into the sinking groove (33) from the neutral area between the bottom plate (6) and the sinking groove (33) and then is solidified, so that the embedded bolt (31) can be accurately positioned;
s6: screwing the sleeve (12), separating the cylinder (11) and the embedded bolt (31), releasing the limitation of the reinforcing mechanism (5) on the position of the L-shaped supporting plate (3), and vertically and upwardly removing the device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211229288.0A CN115519657B (en) | 2022-10-08 | 2022-10-08 | Fixing and positioning device for pre-buried bolts of prefabricated staircase and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211229288.0A CN115519657B (en) | 2022-10-08 | 2022-10-08 | Fixing and positioning device for pre-buried bolts of prefabricated staircase and construction method |
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| CN115519657B CN115519657B (en) | 2024-06-04 |
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| EP1923185A1 (en) * | 2006-11-15 | 2008-05-21 | Ratec Maschinenentwicklungs- und Verwaltungs-GmbH | Method and installation for forming a single-piece prefabricated element made of concrete |
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| CN112078024A (en) * | 2020-09-21 | 2020-12-15 | 安徽良俊建设工程有限公司 | Method and equipment for forming precast holes of concrete slab for engineering construction |
| CN112962885A (en) * | 2021-02-24 | 2021-06-15 | 重庆拓达建设（集团）有限公司 | Assembled stair system |
| CN216067980U (en) * | 2021-07-21 | 2022-03-18 | 中建新疆建工（集团）有限公司 | Prevent reinforcement type aluminum alloy template of prefabricated staircase embedded anchor skew |
| CN114589806A (en) * | 2022-04-18 | 2022-06-07 | 中建八局第二建设有限公司 | Positioning structure and prefabricated track beam support steel plate embedded assembly |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1923185A1 (en) * | 2006-11-15 | 2008-05-21 | Ratec Maschinenentwicklungs- und Verwaltungs-GmbH | Method and installation for forming a single-piece prefabricated element made of concrete |
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| CN115519657B (en) | 2024-06-04 |
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