CN214144145U - Quick erection support of prefabricated assembly type structure - Google Patents
Quick erection support of prefabricated assembly type structure Download PDFInfo
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- CN214144145U CN214144145U CN202022891132.1U CN202022891132U CN214144145U CN 214144145 U CN214144145 U CN 214144145U CN 202022891132 U CN202022891132 U CN 202022891132U CN 214144145 U CN214144145 U CN 214144145U
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Abstract
The utility model provides a quick erection support of prefabricated assembled building, be equipped with the mounting hole that corresponds with pre-buried sleeve position on the face of outer joint steel sheet, the mounting hole is conical through-hole or is the step through-hole, the arc surface of mounting hole or for circular conical surface I or for having the interior round platform of one-level step, be equipped with quick installation component in the mounting hole, including connecting block and connecting bolt, the connecting block is the flat cylinder of installing with the mounting hole cooperation, its thickness slightly is less than the thickness of outer joint steel sheet, the shape size of connecting block corresponds with the shape size of mounting hole, or be a conical connecting block or be the step connecting block, it has an adjustment slot hole to open on the axis of connecting block, adjust the slot hole and be located one side at connecting block center or be located the both sides at connecting block center, be equipped with the stop gear that restriction connecting bolt slided on the connecting block top surface. The quick mounting support is compact in structure, reasonable in design, safe and reliable, and can be mounted quickly under the condition that the mounting hole positions of the embedded part and the support have certain errors.
Description
Technical Field
The utility model relates to a support for building, public road bridge roof beam, concretely relates to quick erection support of prefabricated assembly type structure.
Background
Because the effect of the seismic isolation technology exerted in other fields is approved, more and more buildings introduce the seismic isolation technology in the assembly type buildings at home and abroad recently, under the background of advocating energy conservation and emission reduction, the 'energy-saving and land-saving house' becomes a guideline for house construction, and the prefabricated assembly type building structure becomes one of the building structure forms which are key to the development of China due to the unique advantages of the prefabricated assembly type building structure.
At present, prefabricated assembly type building engineering with a shock insulation technology is used at home and abroad, the connection mode of shock insulation supports is still according to the conventional construction method, and the defects are as follows:
1. the prefabricated building adopts a cast-in-place construction method, which is not beneficial to improving the prefabrication rate;
2. the positioning requirement of the embedded connecting piece connected with the support in the prefabricated part of the prefabricated assembly type building is very accurate, otherwise, the support cannot be installed, and once the precision is not achieved, very complicated processing measures such as rework and repair are required, so that a large amount of financial resources and material resources are wasted;
when the prefabricated assembly type building support is installed and designed, corresponding embedded sleeve connecting pieces are reserved on the prefabricated upper buttress and the prefabricated lower buttress at the prefabricated part according to support connecting hole positions in advance, but due to the influence of various factors in the construction process, the connection hole distance of the embedded sleeve connecting pieces is difficult to ensure to be completely matched with the support hole position during design, and generally, the hole on a connecting steel plate of the prefabricated assembly type building support is only 2mm larger than a threaded hole of the embedded sleeve; therefore, once the position deviation between 2 certain sleeves or a certain sleeve exceeds the range, the support cannot be installed, and in addition, in the actual situation, the sizes of a plurality of sleeves are in a parallelogram or polygon state, so that the accurate matching with the installation hole positions of the support cannot be basically guaranteed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, economical and practical's adjustable in certain extent, can adjust the quick erection support of prefabricated building of well hole site fast, realize the quick installation of support and prefabricated building upper and lower buttress to overcome the above-mentioned not enough that prior art exists.
For solving the above technical problem, the utility model discloses the technical scheme who takes is:
a prefabricated assembly type building rapid installation support comprises a support core body and an external connecting steel plate, wherein installation holes corresponding to the positions of embedded sleeves on an upper pier table and a lower pier table are formed in the surface of the external connecting steel plate;
the mounting hole is a conical through hole, a large orifice of the conical through hole is positioned on the mounting surface of the external connecting steel plate, a small orifice of the conical through hole is positioned on the connecting surface of the external connecting steel plate, and an arc surface in the conical through hole is an inner conical surface I;
the mounting hole is a step through hole, a large hole opening of the step through hole is positioned on the mounting surface of the outer connecting steel plate, a small hole opening of the step through hole is positioned on the connecting surface of the outer connecting steel plate, and a first-stage step is arranged in the step through hole to form an inner circular table;
a quick mounting assembly is arranged in the mounting hole and comprises a connecting block and a connecting bolt, the connecting block is a flat cylinder which is matched with the mounting hole for mounting, the thickness of the flat cylinder is slightly smaller than that of the external connecting steel plate, the shape and size of the flat cylinder correspond to those of the mounting hole, and the flat cylinder is rotatably mounted in the mounting hole;
the connecting block is a conical flat cylinder, the shape and the size of the connecting block correspond to those of the conical through hole of the outer connecting steel plate, and the arc surface on the periphery of the conical flat cylinder is an outer conical surface II which has the same conical angle with the inner conical surface I of the conical through hole;
the connecting block is a stepped flat cylinder, the shape and size of the connecting block correspond to those of a stepped through hole of the outer connecting steel plate, and the width and height of an outer circular platform on the periphery of the stepped flat cylinder are correspondingly matched with those of an inner circular platform in the stepped through hole;
an adjusting long hole is formed in the central axis of the connecting block, the width of the adjusting long hole corresponds to the diameter of the connecting bolt, two ends of the adjusting long hole are semi-arcs with the diameter equal to that of the adjusting long hole, the adjusting long hole or the adjusting long hole is a small long hole, namely the distance between the circle centers of the semi-arcs at the two ends of the adjusting long hole is smaller than the radius of the connecting block, and the adjusting long hole is positioned on one side of the center of the connecting block; the adjusting long hole is a large long hole, namely the distance between the circle centers of the semicircular arcs at the two ends of the adjusting long hole is larger than the radius of the connecting block and smaller than the diameter of the connecting block, and the connecting bolt is arranged in the adjusting long hole of the connecting block;
the top surface of the connecting block is provided with a limiting mechanism for limiting the sliding of the connecting bolt, the limiting mechanism comprises a fixed block and an adjustable screw rod, the fixed block is connected with two ends of an adjusting long hole, the adjustable screw rod is arranged in a threaded hole of the fixed block, the adjusting moving direction of the adjustable screw rod is the same as the long axis direction of the adjusting long hole, and the distance between the ends of two opposite adjustable screw rods is adjusted to tightly push the head of the connecting bolt to limit the sliding of the connecting bolt;
when in use, the support is connected with the embedded sleeves of the upper pier table and the lower pier table through the connecting bolt and the bolt washer, so that the support can be quickly installed.
The further technical scheme is as follows: the taper angles of the inner taper surface I of the mounting hole and the outer taper surface II of the conical connecting block are set according to the Morse taper.
Further: the connecting bolt is either a common bolt or a steel structure friction type high-strength bolt, and the bolt washer is either a common bolt or a steel structure high-strength washer.
Due to the adoption of the technical scheme, the utility model relates to a quick erection support of prefabricated assembled building has following beneficial effect:
1. the prefabricated assembly type building rapid installation support can still be rapidly installed under the condition that a certain error exists between an embedded connecting piece (embedded sleeve) and an installation hole position of an external connecting steel plate of the support, on-site matching and hole opening are not needed during installation, only holes are roughly designed according to original hole positions, namely the support is arranged between an upper pier and a lower pier of an assembly type building, the upper external connecting steel plate is roughly in number alignment with the embedded sleeve of the upper pier of the assembly type building, the lower external connecting steel plate is roughly in number alignment with the embedded sleeve of the lower pier of the assembly type building, and then a connecting block in the installation hole is rotated to enable a high-strength bolt in an adjusting long hole to be in butt joint with the embedded sleeve, so that rapid installation is realized, construction difficulty can be greatly reduced, and engineering progress is accelerated;
2. the prefabricated building rapid installation support is compact in structure and reasonable in design, an external connection steel plate installation hole is a conical through hole or a step through hole, a connecting block is a flat cylinder which is installed in a matched mode with the installation hole, the flat cylinder is a conical connecting block or a step connecting block, the conical angles of a conical surface I of the conical through hole and a conical surface II of the conical connecting block are arranged according to the Morse taper, the connecting bolts are friction type high-strength bolts for a steel structure and high-strength gaskets for the steel structure, and a limiting mechanism for limiting the high-strength bolts to slide is arranged on the top surface of the connecting block, so that the support can be connected with an upper pier and a lower pier safely and reliably;
3. the quick mounting assembly can be arranged on the transition plate when needed, namely, the transition plate is provided with a mounting hole, the upper and lower outer connecting steel plates of the support are connected with the transition plate, and then the quick mounting assembly on the transition plate is connected with the embedded connecting pieces of the upper and lower buttresses of the assembly type building.
The technical features of a prefabricated assembly type quick erection support of the present invention will be further described with reference to the accompanying drawings and embodiments.
Drawings
Fig. 1-fig. 2 are the utility model discloses a quick erection support structure sketch map of prefabricated assembled building:
FIG. 1 is a front view (semi-sectional view) and FIG. 2 is a view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the installation and use status of the rapid installation support for prefabricated buildings according to the present invention;
fig. 4-5 are schematic structural diagrams of the external connection steel plate with the conical through holes:
fig. 4 is a front view (cross-section), and fig. 5 is a plan view;
fig. 6 to 7 are schematic structural views of the external connection steel plate with the step through holes:
fig. 6 is a front view (cross-section), and fig. 7 is a plan view;
fig. 8-10 are schematic structural views of conical connecting blocks:
fig. 8 is a front view (sectional view), fig. 9 is a top view (the adjustment long holes are small long holes and located on one side of the center of the connecting block), and fig. 10 is a top view (the adjustment long holes are large long holes and distributed on two sides of the center of the connecting block);
fig. 11 to 13 are schematic structural views of a stepped connecting block:
fig. 11 is a front view (sectional view), fig. 12 is a top view (the adjustment long holes are small long holes and located on one side of the center of the connecting block), and fig. 13 is a top view (the adjustment long holes are large long holes and distributed on two sides of the center of the connecting block);
fig. 14-16 are schematic structural views of a conical connecting block provided with a limiting mechanism:
fig. 14 is a front view (sectional view), fig. 15 is a top view, and fig. 16 is a left side view (sectional view);
fig. 17 to 19 are schematic structural views of a stepped connecting block equipped with a limiting mechanism:
fig. 17 is a front view (sectional view), fig. 18 is a plan view, and fig. 19 is a left side view (sectional view);
in the figure:
1-external connecting steel plate, 11-mounting hole, 111-internal conical surface I, 112-internal circular table, 2-connecting block, 21-regulating long hole, O1First centre of a circle, O2Second centre of circle, D-diameter of semi-circle centre, L1The distance between the semicircular arc and the circumferential edge of the connecting block, L, 2L, the distance between the first circle center and the second circle center, 22, 23, 6, 7, 8, 9, upper abutment and 10, wherein the distance between the semicircular arc and the circumferential edge of the connecting block, the distance between the first circle center and the second circle center, the distance between the semicircular arc and the circumferential edge of the connecting block, the distance between the semicircular arc and the second circle center, the distance between the semicircular arc and the second circle center, the semicircular arc, the distance between the semicircular arc, the third circle center, the distance between the semicircular arc, the third circle center, the third arc, the fourth.
Detailed Description
Example one
A prefabricated assembly type building rapid installation support comprises a support core body 8 and an external connecting steel plate 1, wherein the surface of the external connecting steel plate is provided with an installation hole 11 corresponding to the position of a pre-embedded sleeve 7 on an upper pier table and a lower pier table;
the mounting hole 11 is a conical through hole, a large orifice of the conical through hole is positioned on the mounting surface of the external connecting steel plate, a small orifice of the conical through hole is positioned on the connecting surface of the external connecting steel plate, and an arc surface in the conical through hole is an inner conical surface I111;
a quick mounting assembly is arranged in the mounting hole and comprises a connecting block 2 and a connecting bolt 3, the connecting block 2 is a flat cylinder which is matched with the mounting hole for mounting, the thickness of the flat cylinder is slightly smaller than that of the external connecting steel plate, the connecting block 2 is a conical flat cylinder, the shape and size of the connecting block correspond to those of a conical through hole of the external connecting steel plate, an arc surface on the periphery of the conical flat cylinder is an external conical surface II 22 which is consistent with the conical angle of a conical surface I111 in the conical through hole, and the flat cylinder is mounted in the mounting hole; the inner conical surface I111 and the outer conical surface II 22 form a working surface in sliding fit, so that the flat cylinder can rotate in the conical through hole.
An adjusting long hole 21 is formed in the central axis of the connecting block 2, the width of the adjusting long hole corresponds to the diameter of the connecting bolt, two ends of the adjusting long hole are semicircular arcs with the same diameter, and the circle center of the semicircular arc at one end is a first circle center O1The center of the semi-circle of the other end is a second center O2The diameter D of the semi-circular arc is equal to the width of the adjusting long hole, the adjusting long hole is a small long hole or a large long hole, and the first circle center O of the long hole is adjusted when the adjusting long hole is a small long hole1And the second center of a circle O2The distance L between the two is less than the radius of the connecting block, the adjusting long hole is positioned at one side of the center of the connecting block, the distance 2L between the first circle center and the second circle center of the long hole is adjusted to be greater than the radius of the connecting block and less than the diameter of the connecting block when the connecting block is a big long hole, the adjusting long hole is positioned in the middle of the central axis of the connecting block or distributed at the two sides of the center of the connecting block, and the distance L between the semi-arc at one end or two ends of the adjusting long hole and the circumferential edge of the connecting block is adjusted1A certain value should be maintained to ensure sufficient mounting strength of the connector block.
The top surface of the connecting block 2 is provided with a limiting mechanism for limiting the sliding of the connecting bolt, the limiting mechanism comprises a fixing block 6 and an adjustable screw 5, the fixing block is connected with two ends of an adjusting long hole, the adjustable screw is arranged in a threaded hole of the fixing block, the adjusting moving direction of the adjustable screw is the same as the long axis of the adjusting long hole, and the distance between the ends of two opposite adjustable screws is adjusted to tightly push the head of the connecting bolt 3 to limit the sliding of the connecting bolt;
the taper angles of the inner taper surface I111 of the mounting hole and the outer taper surface II 22 of the conical connecting block are set according to the Morse taper; the connecting bolt 3 is either a common bolt or a steel structure friction type high-strength bolt, and the bolt washer 4 is a high-strength washer for a steel structure; the connecting bolt 3 is arranged in an adjusting long hole 21 of the connecting block 2, and is connected with the embedded sleeves 7 of the upper pier table and the lower pier table through the connecting bolts 3 and 4 in a use state, so that the support can be quickly installed.
Example two
A prefabricated assembly type building rapid installation support is basically the same as the first embodiment in structure, a support core body 8 and an external connecting steel plate 1 (comprising an upper external connecting steel plate and a lower external connecting steel plate) are arranged, and installation holes 11 corresponding to the positions of embedded sleeves 7 of an upper pier and a lower pier are formed in the surface of the external connecting steel plate;
the difference is that: the mounting hole 11 is a step through hole, the large hole opening of the step through hole is positioned on the mounting surface of the external connecting steel plate, the small hole opening of the step through hole is positioned on the connecting surface of the external connecting steel plate, and the step through hole is internally provided with a step to form an inner circular table 112;
the connecting block 2 is a step-shaped flat cylinder, the shape and size of the connecting block correspond to those of a step through hole of the outer connecting steel plate, the width and height of an outer circular platform 23 on the periphery of the step-shaped flat cylinder are correspondingly matched with those of an inner circular platform 112 in the step through hole, and the connecting block can be tightly matched and can also rotate along the horizontal direction when being installed in the step through hole.
Supplementary note 1:
(1) "be equipped with the mounting hole that corresponds with the pre-buried sleeve position of upper and lower pier abutment on the face of outer joint steel sheet" means: the positions of the embedded sleeves of the upper pier and the lower pier are positioned in the area covered by the mounting hole on the surface of the external connecting steel plate;
(2) the connection block is in a shape and size corresponding to the shape and size of the mounting hole, and the connection block is characterized in that: the shape of the connecting block is similar to that of the mounting hole, and the size of the connecting block is slightly smaller than that of the mounting hole, so that the connecting block can be installed in the mounting hole to be tightly matched with the mounting hole and can rotate in the mounting hole;
(3) "the outer round platform width corresponds to the width of the inner round platform" means: the width of the outer circular truncated cone is approximately the same as that of the inner circular truncated cone or slightly smaller than that of the inner circular truncated cone, and when the step-shaped connecting block is arranged in the step through hole, the outer circular truncated cone can completely support the plane of the inner circular truncated cone;
(4) the fact that the height of the outer circular truncated cone corresponds to the depth of the inner circular truncated cone means that: the height of the outer circular truncated cone is approximately the same as the depth of the inner circular truncated cone, or slightly smaller than the depth of the inner circular truncated cone, and when the step-shaped connecting block is installed in the step through hole, the upper surface of the step-shaped connecting block cannot protrude out of the plate surface of the outer connecting steel plate.
Supplementary note 2: the connecting surface of the external connecting steel plate refers to the outer side surface of the external connecting steel plate, namely the surface connected with the upper pier table and the lower pier table of the bridge; the mounting surface of the outer connecting steel plate means an inner side surface of the outer connecting steel plate, i.e., a surface opposite to the mounting surface.
Supplementary note 3: operating principle of quick mounting assembly of support
When the connecting device is installed, the conical tip angle direction faces the direction of the embedded sleeve, the conical connecting block 2 is in the shape of a conical frustum, the conical angle is consistent with that of the conical hole of the external connecting steel plate, the conical surface II 22 of the conical connecting block is matched with the conical surface I111 of the installing hole through the conical angle, the thickness of the conical connecting block is slightly smaller than that of the external connecting steel plate by at least 1mm, and when the conical connecting block is stressed and compressed, a space is reserved for enabling the conical angle to be in better press fit;
the conical connecting block is provided with an adjusting long hole, the long hole can be opened only in the radius direction (namely positioned on one side of the center of the connecting block) or in the whole diameter direction (namely positioned on two sides of the center of the connecting block), the end face of the adjusting long hole is a semi-circular arc, and the diameter of the adjusting long hole is R1; the conical connecting block can horizontally rotate in the conical hole of the outer connecting steel plate, when the adjusting long hole is only opened in the radius direction (the length of the adjusting long hole is L), the conical connecting block rotates for 360 degrees, and the adjusting long hole can cover a region with the diameter of (2L + R); if the adjusting long hole is opened in the whole diameter direction (the length of the adjusting long hole is 2L), the conical connecting block can cover a region with the diameter of (2L + R) only by rotating 180 degrees; therefore, when the steel plates, the embedded sleeves and other threaded holes which need to be connected are in the area covered by the rotation of the conical connecting block adjusting long hole, the steel plates and the embedded sleeves can be connected with the embedded sleeves or the steel plates of the upper pier and the lower pier through the connecting bolts 3 and the bolt washers 4, and the rapid and accurate installation is realized.
The step-shaped connecting block is matched with the inner circular table through the outer circular table, and the quick installation principle is the same as the principle.
Supplementary note 4: 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.
Claims (3)
1. A prefabricated assembly type building rapid installation support comprises a support core body (8) and an outer connecting steel plate (1), wherein the surface of the outer connecting steel plate is provided with installation holes (11) corresponding to the positions of embedded sleeves (7) on an upper pier table and a lower pier table;
the method is characterized in that:
the mounting hole (11) is a conical through hole, a large orifice of the conical through hole is positioned on the mounting surface of the external connecting steel plate, a small orifice of the conical through hole is positioned on the connecting surface of the external connecting steel plate, and an arc surface in the conical through hole is an inner conical surface I (111);
the mounting hole (11) is a step through hole, a large hole opening of the step through hole is positioned on the mounting surface of the outer connecting steel plate, a small hole opening of the step through hole is positioned on the connecting surface of the outer connecting steel plate, and a step is arranged in the step through hole to form an inner circular table (112);
a quick mounting assembly is arranged in the mounting hole and comprises a connecting block (2) and a connecting bolt (3), the connecting block (2) is a flat cylinder which is matched with the mounting hole for mounting, the thickness of the flat cylinder is slightly smaller than that of the external connecting steel plate, the shape and size of the flat cylinder correspond to those of the mounting hole, and the flat cylinder is rotatably mounted in the mounting hole;
the connecting block (2) is a conical flat cylinder, the shape and the size of the connecting block correspond to those of a conical through hole of the outer connecting steel plate, and the arc surface on the periphery of the conical flat cylinder is an outer conical surface II (22) which has the same conical angle with the inner conical surface I (111) of the conical through hole;
the connecting block (2) is a stepped flat cylinder, the shape and size of the connecting block correspond to those of a stepped through hole of the outer connecting steel plate, and the width and height of an outer circular truncated cone (23) on the periphery of the stepped flat cylinder are correspondingly matched with those of an inner circular truncated cone (112) in the stepped through hole;
an adjusting long hole (21) is formed in the central axis of the connecting block (2), the width of the adjusting long hole corresponds to the diameter of the connecting bolt, two ends of the adjusting long hole are semi-arcs with the diameters equal to the width of the adjusting long hole, the adjusting long hole or the adjusting long hole is a small long hole, namely the distance between the circle centers of the semi-arcs at the two ends of the adjusting long hole is smaller than the radius of the connecting block, and the adjusting long hole is positioned on one side of the center of the connecting block; the adjusting long hole is a large long hole, namely the distance between the circle centers of the semicircular arcs at the two ends of the adjusting long hole is larger than the radius of the connecting block and smaller than the diameter of the connecting block; the connecting bolt (3) is arranged in the adjusting long hole of the connecting block;
the top surface of the connecting block (2) is provided with a limiting mechanism for limiting the sliding of the connecting bolt, the limiting mechanism comprises a fixing block (6) and an adjustable screw (5), the fixing block is connected with two ends of an adjusting long hole, the adjustable screw is arranged in a threaded hole of the fixing block, the adjusting moving direction of the adjustable screw is the same direction as the long axis of the adjusting long hole, and the distance between the ends of the two opposite adjustable screws is adjusted to tightly push the head of the connecting bolt (3) to limit the sliding of the connecting bolt;
when in use, the support is connected with the embedded sleeves of the upper pier table and the lower pier table through the connecting bolt (3) and the bolt washer (4) so as to realize the quick installation of the support.
2. A prefabricated building quick-install support as claimed in claim 1, wherein: the taper angles of the inner taper surface I (111) of the mounting hole and the outer taper surface II (22) of the conical connecting block are set according to the Morse taper.
3. A prefabricated building quick-install support as claimed in claim 2, wherein: the connecting bolt (3) is either a common bolt or a steel structure friction type high-strength bolt, and the bolt washer (4) is either a common bolt washer or a steel structure high-strength washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022891132.1U CN214144145U (en) | 2020-12-04 | 2020-12-04 | Quick erection support of prefabricated assembly type structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022891132.1U CN214144145U (en) | 2020-12-04 | 2020-12-04 | Quick erection support of prefabricated assembly type structure |
Publications (1)
| Publication Number | Publication Date |
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| CN214144145U true CN214144145U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022891132.1U Active CN214144145U (en) | 2020-12-04 | 2020-12-04 | Quick erection support of prefabricated assembly type structure |
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| Country | Link |
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| CN (1) | CN214144145U (en) |
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2020
- 2020-12-04 CN CN202022891132.1U patent/CN214144145U/en active Active
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