CN214143354U - Device is changed in quick installation of support - Google Patents
Device is changed in quick installation of support Download PDFInfo
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- CN214143354U CN214143354U CN202022892132.3U CN202022892132U CN214143354U CN 214143354 U CN214143354 U CN 214143354U CN 202022892132 U CN202022892132 U CN 202022892132U CN 214143354 U CN214143354 U CN 214143354U
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Abstract
A device for quickly mounting and replacing a support comprises a base plate, an adjusting block and a connecting block, wherein the adjusting block and the connecting block are mounted in a matched mode with the base plate, a reserved through hole and a threaded hole used for being connected with the support are formed in the base plate, the reserved through hole is a conical through hole, the adjusting block is a flat cone which is mounted in a matched mode with the reserved through hole and has the same conical angle, an eccentric conical hole is formed in one side of the adjusting block, the connecting block with the same conical angle is mounted in the eccentric conical hole, and a mounting through hole is formed in one side, away from the center, of the connecting block; the quick mounting and replacing method comprises the steps of firstly connecting the device to the beam body and then connecting the device to the support, or firstly connecting the device to the support and then connecting the device to the beam body and the pier. The device compact structure, simple and convenient quick, safe and reliable are used in the installation, can be used to bridge, build the steel support or have prefabricated steel sheet, sleeve etc. to use threaded connection's precast beam, and during the use, the device is connected with the support through the base plate, and the bolt that excels in through-hole through the installation is connected with the pre-buried muffjoint of upper and lower mound platform, realizes installing fast.
Description
Technical Field
The utility model relates to a support component especially relates to a device is changed in quick installation of support for building, public road bridge roof beam.
Background
Along with the rapid development of social economy in China, the traffic and transportation industry is greatly developed, and the road conditions are also remarkably improved, at the present stage, most of road bridges used in China are built before the 80 th century in 20 th, however, the road bridges in China have poor durability due to the initial design load standard bottom and cannot meet the current gradually-improved traffic and transportation requirements, and under the action of natural environmental condition factors and passing vehicle loads, the structures, bridge floors and the like of the bridges have diseases of different degrees, so that certain influence is caused on the normal passing of the bridges, and great potential safety hazards are brought to traffic operation; therefore, reinforcing, maintaining and modifying the old bridge are more and more paid attention by governments, owners, design and construction units; the bridge support is an important structural component for connecting an upper structure and a lower structure of a bridge, is an important force transmission device of the bridge, bears the support with the functions of gravity, displacement, corner and the like of the bridge, and is inevitable in internal loss and aging, so that the replacement of the old bridge support is an important part for reinforcing and reforming the old bridge.
The support is replaced by jacking the beam body, releasing and taking out the old support, moving the new support to a calibration position, and continuing to connect by using the original anchoring mode, for example, connecting the new support with an original sleeve in the beam body by using bolts, and welding the old support with an original base plate if welding, and the like, wherein the support, the beam body of the bridge and an abutment are generally anchored in a sleeve cast-in-place (post-pouring) mode, and the sleeve is poured in concrete, so that the sleeve cannot be damaged when the bridge is not subjected to disasters such as earthquake and the like, and the original sleeve can be basically used when the support is replaced, namely the support is fastened on the original sleeve by using the bolts; there are problems in that:
(1) although the original support size information can be taken before the support is installed, or the support can be measured in advance, because the old support is a cast-in-place (post-cast) installation process, the common installation size tolerance cannot be forced to be controlled, the bolt hole pitch size needs to be determined for the new support, and the bolt hole gap is only 1-2 mm, when the distance error of the sleeve of the old support exceeds 1-2 mm, the new support is accurately installed even if holes are formed according to the original information drawing;
(2) even if the measurement can be carried out in advance, the accuracy can only be controlled to be 1 cm level and cannot reach 1mm level due to the limitation of field space and field measurement tools, in practical situations, a plurality of sleeves are still in a parallelogram or polygon state, accurate hole opening cannot be carried out, the installation size of each support needs to be measured, and the measurement is time-consuming and labor-consuming.
(3) In order to solve the hole aligning problem, a field matching process can be used, namely the old support is dismounted, matching holes of an upper plate (a lower plate) of the old support are positioned on a new support, and then matching processing is carried out on the holes marked on the new support, so that advance measurement is not needed, but when bolts on a connecting beam are connected, the problems of alignment of a plurality of holes and displacement offset of the center of a beam body support and the center of a pier support and integral offset of an upper cavity and a lower cavity are solved, the old support is dismounted, the new support is processed and then mounted, and time delay is needed in the middle.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a simple structure, economical and practical's adjustable, can adjust the quick installation of support of adjusting the hole site fast to change the device in the certain limit, realize the quick installation of support and roof beam body and pier to solve the difficult problem that is difficult to the jogged joint when the support is changed.
The utility model provides a technical scheme that above-mentioned problem adopted is: a quick mounting and replacing device for a support comprises a base plate, an adjusting block and a connecting block, wherein the adjusting block and the connecting block are mounted with the base plate in a matched mode; the reserved through holes are conical through holes, the large orifices of the conical through holes are uniformly arranged on the mounting surface of the substrate, the small orifices are arranged on the connecting surface of the substrate, and the arc surface between the large orifices and the small orifices of the conical through holes is an inner conical surface I;
the adjusting block is a flat conical block which is matched with the reserved through hole, the thickness of the adjusting block is slightly smaller than that of the substrate, the arc surface of the periphery of the flat conical block is an outer conical surface I with the same conical angle as that of the inner conical surface I, and the shape and the size of the flat conical block correspond to those of the conical through hole of the substrate;
an eccentric conical hole is formed in one side, deviating from the center, of the adjusting block, an inner conical surface II is formed by an arc surface between a large hole opening and a small hole opening of the eccentric conical hole, the conical direction of the eccentric conical hole is consistent with that of a conical through hole of the reserved through hole, namely the large hole opening of the eccentric conical hole is located on the installation surface of the substrate, and the small hole opening is located on the connection surface of the substrate;
the connecting block is a flat small conical block which is matched with the eccentric conical hole of the adjusting block, the thickness of the connecting block is consistent with that of the adjusting block, and the shape and size of the connecting block correspond to those of the eccentric conical hole; the arc surface on the periphery of the connecting block is an outer conical surface II with the same conical angle as the inner conical surface II of the eccentric conical hole; the connecting block is provided with an installation through hole, and the center of the installation through hole deviates from one side of the center of the connecting block;
elastic sliding devices are arranged on the outer conical surface I of the adjusting block and the outer conical surface II of the connecting block; the clamping ring is connected with the port of the blind hole through threads, so that the steel ball and the spring are limited in the blind hole, and one part of the steel ball protrudes out of the clamping ring and is in rolling contact with the wall of the eccentric conical hole or the reserved through hole;
when the device is in use, the device is connected with the support through the threaded connection hole in the surface of the base plate, and is connected with the embedded sleeves of the bridge bottom and the bridge pier through the connection bolt penetrating through the installation through hole.
The further technical scheme is as follows: the center position of the reserved through hole is set according to hole site data of the old support, and a threaded connecting hole used for being connected with the support is further formed in the surface of the substrate.
Further: the side of the reserved through hole is provided with an anti-falling pressing block which compresses the eccentric adjusting block, and the anti-falling pressing block is fastened on a locking threaded hole on the periphery of the reserved through hole of the substrate through a locking screw.
Due to the adoption of the technical scheme, compare with prior art, the utility model relates to a device is changed in quick installation of support has following beneficial effect:
1. the utility model discloses a quick mounting and replacing device for a support has compact structure, reasonable design, convenient use, safety and reliability, can be used for quick replacement and installation of various steel supports and rubber supports of bridges and buildings, can also be used for working conditions such as prefabricated steel plates or sleeves, and the use of a prefabricated beam connected by screw threads, and can realize the quick hole alignment of a support bolt and a sleeve of a beam (pier) through the quick mounting device for the support so as to finish the quick installation;
2. the upper part and the lower part of the device for quickly installing and replacing the support are respectively connected with the beam and the pier, and the middle part of the device is connected with the support through the bolt, so that the support and the device form a whole body, no redundant parts are used, the whole body is integrally hoisted, positioned and integrally stressed, and the device is convenient to install; when needed, the quick mounting assembly can be arranged on the upper and lower outer connecting steel plates of the support, so that the structure is more compact, and the mounting is more convenient and quick;
3. when the quick support mounting and replacing device is used for replacing a support, holes are designed according to the original hole positions, the device can adapt to the hole positions of the upper sleeve bolts according to the preset adjusting range, and the adjusting range is designed by taking the hole position errors which are judged in advance as a reference, so that high-precision survey and processing are not needed in support mounting, matching and opening of the old support in the field are not needed, the construction difficulty is greatly reduced, and the engineering progress is accelerated;
4. the quick mounting and replacing device for the support is provided with the anti-falling pressing block 4, and the adjusting block 2 can be prevented from falling off when the base plate is upward through the fixation of the locking screw;
5. according to the device for quickly mounting and replacing the support, the conical surfaces of the adjusting block 2 and the connecting block 3 are provided with elastic sliding devices; part of the steel balls protrude out of the clamping ring and form rolling contact with the eccentric conical hole 21 or the reserved through hole 11, so that when the hole is adjusted, the adjusting block 2 and the connecting block 3 can flexibly rotate to conveniently and quickly align the hole position, after the connecting bolt 9 is screwed, the steel balls 10 are compressed and return to the blind hole, the adjusting block 2 and the connecting block 3 can be tightly attached, the adjusting block 2, the connecting block 3 and the substrate 1 form a whole, and the mutual matching of conical surfaces is not influenced;
6. the quick mounting and replacing device has no reduction in horizontal force bearing in the adjusting process, and the anchoring effect is better than that of quick connection through the matching of the long hole, the waist hole and the long groove.
The technical features of a quick mounting and replacing device for a support according to the present invention will be further described with reference to the accompanying drawings and embodiments.
Drawings
Fig. 1-2 are the structure schematic diagram of a device for quick mounting and replacing a support of the utility model:
FIG. 1 is a front view (partially in section) and FIG. 2 is a top view;
FIG. 3 is an assembled view (perspective, front half-section) of the base plate, the adjusting block and the connecting block;
FIG. 4 is an exploded view of the base plate, adjustment block and attachment block;
fig. 5 to 6 are schematic views of the substrate structure: fig. 5 is a front view (cross-section), and fig. 6 is a plan view;
fig. 7 to 9 are schematic structural diagrams of the adjusting block:
fig. 7 is a front view (cross-sectional view), fig. 8 is a plan view, and fig. 9 is an enlarged view of a portion B of fig. 7;
fig. 10 to 11 are schematic views of the connecting block structure:
FIG. 10 is a front view (partially broken away) and FIG. 11 is a top view;
FIG. 12 is a structural use state diagram of a quick support mounting and replacing device of the present invention;
in the figure: the structure comprises a base plate 1, a reserved through hole 11, an inner conical surface I111, a threaded connecting hole 12, a locking threaded hole 13, a regulating block 2, an eccentric conical hole 21, an inner conical surface II 211, an outer conical surface I22, a connecting block 3, an installation through hole 31, an outer conical surface II 32, an anti-falling pressing block 4, a locking screw 5, a support core 6, a beam body 7, an embedded sleeve 8, a connecting bolt 9, a steel ball 90, a spring 91 and a snap ring 92.
Detailed Description
Example one
A quick mounting and replacing device for a support comprises a base plate 1, and an adjusting block 2 and a connecting block 3 which are mounted in a matched manner with the base plate, wherein the adjusting block is mounted in a reserved through hole 11 of the base plate, the connecting block 3 is mounted in an eccentric conical hole 21 of the adjusting block 2, a mounting through hole 31 is formed in one side of the connecting block 3, a connecting bolt 9 is arranged in the mounting through hole, and the adjusting block 2 and the connecting block 3 which are mounted in the reserved through hole 11 of the base plate form a quick hole aligning adjusting mechanism;
the reserved through holes 11 are conical through holes, large orifices of the conical through holes are uniformly arranged on the mounting surface of the substrate, small orifices are arranged on the connecting surface of the substrate, and an arc surface between the large orifices and the small orifices of the conical through holes is an inner conical surface I111;
the adjusting block 2 is a flat conical block which is matched with the reserved through hole 11, the thickness of the adjusting block is slightly smaller than that of the substrate, the arc surface of the periphery of the flat conical block is an outer conical surface I22 with the same conical angle as that of the inner conical surface I111, and the size of the shape of the flat conical block corresponds to that of the conical through hole of the substrate;
an eccentric conical hole 21 is formed in one side, deviating from the center, of the adjusting block 2, an inner conical surface II 211 is formed on an arc surface between a large hole opening and a small hole opening of the eccentric conical hole, the conical direction of the eccentric conical hole is consistent with that of a conical through hole of the reserved through hole 11, namely the large hole opening of the eccentric conical hole is located on the installation surface of the substrate, and the small hole opening is located on the connection surface of the substrate;
the connecting block 3 is a small flat conical block which is matched with the eccentric conical hole 21 of the adjusting block, the thickness of the small flat conical block is consistent with that of the eccentric adjusting block, the shape and size of the small flat conical block correspond to those of the eccentric conical hole 21, the arc surface of the periphery of the connecting block is an outer conical surface II 32 which has the same conical angle with the inner conical surface II 211 of the eccentric conical hole 21, an installation through hole 31 is formed in the connecting block, and the center of the installation through hole deviates from one side of the center of the connecting block;
elastic sliding devices are arranged on the outer conical surface I22 of the adjusting block 2 and the outer conical surface II 32 of the connecting block 3: the clamping ring 92 is connected to the port of the blind hole through threads, so that the steel ball 90 and the spring 91 are limited in the blind hole, and one part of the steel ball protrudes out of the clamping ring 92 and is in rolling contact with the wall of the eccentric conical hole 21 or the reserved through hole 11;
when the device is in use, the device is connected with the support through the threaded connection hole in the surface of the base plate, and is connected with the embedded sleeves of the bridge bottom and the bridge pier through the connection bolt penetrating through the installation through hole.
The center position of the reserved through hole is set according to hole site data of an old support, and a threaded connecting hole 12 used for being connected with the support is further formed in the plate surface of the base plate 1.
The side of the reserved through hole 11 is provided with an anti-falling pressing block 4 for pressing the eccentric adjusting block 2, and the anti-falling pressing block is fastened on a locking threaded hole 13 on the periphery of the reserved through hole of the substrate through a locking screw 5.
The taper angles of the inner conical surface I111, the inner conical surface II 211, the outer conical surface I22 and the outer conical surface II 32 are set according to the Morse taper.
Principle of operation
Connecting block 3 is the circular cone frustum shape, the circular cone angle is unanimous with the circular cone hole on the regulating block 2, the external diameter size also can match with the circular cone hole of regulating block 2, both can paste the cooperation tightly, on the thickness dimension, slightly for 1mm at least than base plate thickness is thin, unanimous with regulating block 2 thickness, when the atress compresses tightly, the cone angle makes connecting block 3 and regulating block 2 closely cooperate, be provided with the through-hole on connecting block 3, the bolt passes the sleeve that the former support of through-hole connection to bridge stayed in the roof beam body (pier), make roof beam body (pier) form wholly with quick installation device and support, accomplish the installation. During installation, the conical tip angle direction faces the sleeve direction, a bolt installed on a support penetrates through the connecting block 3 to be connected to the sleeve, the connecting block 3 is pressed against the adjusting block 2 through the conical edge under the pressing force of the bolt, the adjusting block 2 is also pressed against the base plate through the conical edge, so that a plurality of parts form a stress whole, the base plate is provided with a threaded connecting hole and connected with the support, and a force transmission channel is formed among the beam body (abutment), the device and the support.
The elastic sliding device enables each conical surface to form spherical rolling friction when finding the hole for selection, and can conveniently rotate and align; when the connecting bolt 9 is screwed, the steel balls are pressed back into the holes, and the conical surfaces are attached to each other;
connecting block 3 can be at the downthehole horizontal rotation of circular cone on regulating block 2, regulating block 2 can be at the downthehole horizontal rotation of circular cone on the base plate, connecting block 3 drives the bolt in its installation through-hole and rotates on 1/4a radial circle, regulating block 2 drives eccentric connecting block 3 and rotates again on 1/4a radial circle, it has consequently formed 1/4a radial circle and has driven another 1/4a radial circle and has become the sweep face of a diameter a, the through-hole on connecting block 3 can reach the optional position of this sweep face promptly, the sleeve of roof beam (mound) can be installed through the through-hole to the bolt.
The anti-falling press block 4 is fixed by a locking screw, and mainly aims to prevent the adjusting block 2 from falling when the base plate faces upwards. When the substrate is facing down, there is no risk of dropping.
Supplementary note 1: about Morse taper
Morse taper is an international standard for taper, used for interference fit for precise positioning; because the taper is very small, the principle of friction is utilized, certain torque can be transmitted, and because of taper fit, workpieces can be freely assembled and disassembled within a certain range of the same taper.
Supplementary note 2: with respect to the attachment face and the attachment face
The connecting surface refers to a surface of the substrate connected with a bridge or a pier, and the mounting surface refers to a surface opposite to the connecting surface.
Claims (4)
1. The utility model provides a device is changed in quick installation of support which characterized in that: the device comprises a substrate (1), and an adjusting block (2) and a connecting block (3) which are installed in a matching manner with the substrate, wherein the adjusting block is installed in a reserved through hole (11) of the substrate, the connecting block (3) is installed in an eccentric conical hole (21) of the adjusting block (2), and an installation through hole (31) and a connecting bolt (9) are arranged on the connecting block (3);
the reserved through holes (11) are conical through holes, large orifices of the conical through holes are uniformly arranged on the mounting surface of the substrate, small orifices are arranged on the connecting surface of the substrate, and an arc surface between the large orifices and the small orifices of the conical through holes is an inner conical surface I (111);
the adjusting block (2) is a flat conical block which is matched with the reserved through hole (11) and is installed, the thickness of the adjusting block is slightly smaller than that of the substrate, the arc surface of the periphery of the flat conical block is an outer conical surface I (22) with the same conical angle as that of the inner conical surface I (111), and the shape and the size of the flat conical block correspond to those of the conical through hole of the substrate;
an eccentric conical hole (21) is formed in one side, deviating from the center, of the adjusting block (2), an inner conical surface II (211) is formed on an arc surface between a large hole opening and a small hole opening of the eccentric conical hole, the conical direction of the eccentric conical hole is consistent with that of a conical through hole of the reserved through hole (11), namely the large hole opening of the eccentric conical hole is located on the installation surface of the substrate, and the small hole opening is located on the connection surface of the substrate;
the connecting block (3) is a small flat conical block which is matched with the eccentric conical hole (21) of the adjusting block, the thickness of the connecting block is consistent with that of the adjusting block, the size of the connecting block corresponds to that of the eccentric conical hole (21), and the arc surface on the periphery of the connecting block is an outer conical surface II (32) which has the same conical angle as that of the inner conical surface II (211) of the eccentric conical hole (21); the connecting block is provided with an installation through hole (31), and the center of the installation through hole deviates from one side of the center of the connecting block;
elastic sliding devices are arranged on the outer conical surface I (22) of the adjusting block (2) and the outer conical surface II (32) of the connecting block (3); the clamping device comprises a spring (91), steel balls (90) and a clamping ring (92), blind holes are uniformly formed in an outer conical surface I (22) and an outer conical surface II (32), a port of each blind hole is provided with a thread, the spring (91) and the steel balls (90) are sequentially arranged in the blind holes, the clamping ring (92) is connected to the port of each blind hole through the thread, so that the steel balls (90) and the spring (91) are limited in the blind holes, and one part of each steel ball protrudes out of the clamping ring (92) and is in rolling contact with the wall of each eccentric conical hole (21) or each reserved through hole (11);
when the device is in use, the device is connected with the support through the threaded connection hole in the surface of the base plate, and is connected with the embedded sleeves of the bridge bottom and the bridge pier through the connection bolt penetrating through the installation through hole.
2. A mount quick mount changer as recited in claim 1, wherein: the center position of the reserved through hole is arranged according to hole site data of an old support, and a threaded connecting hole (12) used for being connected with the support is further formed in the surface of the substrate (1).
3. A mount quick mount changer as recited in claim 2, wherein: the side of reserving through-hole (11) is equipped with prevents briquetting (4) that falls that compresses tightly regulating block (2), prevent that the briquetting that falls through locking screw (5) tighten up on the peripheral locking screw hole (13) of base plate reserving through-hole.
4. A mount quick mount changer as recited in claim 3, wherein: the conical angles of the inner conical surface I (111), the inner conical surface II (211), the outer conical surface I (22) and the outer conical surface II (32) are set according to the Morse conical degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022892132.3U CN214143354U (en) | 2020-12-04 | 2020-12-04 | Device is changed in quick installation of support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022892132.3U CN214143354U (en) | 2020-12-04 | 2020-12-04 | Device is changed in quick installation of support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214143354U true CN214143354U (en) | 2021-09-07 |
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ID=77584138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022892132.3U Active CN214143354U (en) | 2020-12-04 | 2020-12-04 | Device is changed in quick installation of support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214143354U (en) |
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2020
- 2020-12-04 CN CN202022892132.3U patent/CN214143354U/en active Active
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