CN213267906U - Circular foundation ditch is pour and is used pin-connected panel steel form - Google Patents
Circular foundation ditch is pour and is used pin-connected panel steel form Download PDFInfo
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- CN213267906U CN213267906U CN202021773303.4U CN202021773303U CN213267906U CN 213267906 U CN213267906 U CN 213267906U CN 202021773303 U CN202021773303 U CN 202021773303U CN 213267906 U CN213267906 U CN 213267906U
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Abstract
An assembled steel template for casting a circular foundation pit comprises a plurality of sections of inner arc die frames which are circumferentially spliced and fixed, and outer arc templates which are connected to the outer arc surfaces of the inner arc die frames in an adjusting mode through bolts; back rib steel plates distributed in a grid shape are welded and fixedly arranged on the inner arc surfaces of the outer arc templates, and a plurality of adjusting bolts arranged towards the center of the circular foundation pit are welded and fixedly arranged on the back rib steel plates; the adjusting bolts penetrate through the inner arc die set, and adjusting nuts are in threaded connection with the adjusting bolts on the two sides of the inner arc die set. This pin-connected panel steel form non-deformable need not to set up the interior support, and occupation space is little, and the while operation is more convenient, and the shaping is pleasing to the eye, and the effectual traditional plank sheathing seam of having solved is not closely knit, out of plumb for circular foundation ditch supports the great and can not cyclic utilization scheduling problem many times of the degree of difficulty.
Description
Technical Field
The utility model relates to a construction technical field relates to a circular foundation ditch is pour and is used pin-connected panel steel form.
Background
With the rapid development of basic engineering construction in China, underground engineering is more and more, the depth of the structure is deeper and deeper, and the shape of a foundation pit is complex and changeable. At present, the template mainly used for underground engineering mainly comprises a wood template and a rectangular steel template, wherein the wood template is long in reinforcing time and easy to deform, cannot be recycled for many times, and the rectangular steel template is uncontrollable in quality and needs to occupy a large space for a large-diameter circular structure. The inner support is arranged in the traditional method of adopting a large steel template to line the inner of the circular foundation pit, so that the operation space of the foundation pit is occupied, and the construction progress and the safety of an upper operation channel and a lower operation channel are greatly influenced.
Therefore, how to adopt a steel form which can be used for multiple times and can ensure the accuracy of a pouring structure to carry out the pouring construction of the circular foundation pit quickly and at low cost is a problem to be solved urgently by technical personnel in the field.
Through searching the published patents, the following patent documents most relevant to the technical scheme are found:
a round foundation pit inside lining wall template construction system and a construction method (CN110453689A) disclose a round foundation pit inside lining wall template construction system and a construction method, comprising a hanging mould system and a template system, wherein the template system comprises an end mould, a bottom mould and a side mould, the hanging mould system is fixed on a crown beam of a round deep foundation pit, the hanging mould system comprises vertical triangular trusses which are uniformly arranged along the crown beam at intervals, an annular track which is fixed on the vertical triangular trusses, and electric hoists with trolleys which are fixed on the annular track and used for hoisting the side mould; the bottom die comprises a shaped hyperbolic steel bottom die and a bottom die cross plate supporting frame for supporting the shaped hyperbolic steel bottom die; the end mould comprises an end plate, a section steel supporting and reinforcing device, a woodwork I-beam, a horizontal steel bar sling of the inner lining wall and a screw rod; the side mold comprises a side mold body, a shaping large template lifting hook, a steel shaping pouring opening, an operation platform, a high-strength screw rod and a connecting rod. The electric hoist with the treadmill can be designed in number and moving position according to needs, and after the side die body is assembled, the electric hoist is hoisted to a preset position through the die hoisting system, so that the electric hoist with the treadmill is quick in construction and low in cost.
The utility model provides a large-scale round foundation ditch interior bushing wall construction system (CN210797580U) discloses a large-scale round foundation ditch interior bushing wall construction system, including interior bushing wall framework of steel reinforcement, a hoist and mount system for hoisting interior bushing wall framework of steel reinforcement, template system and support system, interior bushing framework of steel reinforcement includes inboard and outside prefabricated reinforcing bar net piece and connects the horizontal lacing wire between the prefabricated reinforcing bar net piece of both sides, prefabricated reinforcing bar net piece upper end is inserted and is embedded in the auto-lock sleeve of the interior bushing wall of having under construction, horizontal lacing wire both ends are hook-like, hook joint respectively on the cross pre-buried welding point of the horizontal longitudinal reinforcement of both sides prefabricated reinforcing bar net piece, the hoist and mount the hoist in the interior bushing wall of having under construction above the hoist system. The utility model discloses a prefabricated reinforcing bar net piece is prefabricated to hoist interior welt construction position after finishing to hoist to preset position through installing the chain block hoist of lining wall in having been under construction, need not to carry out the on-the-spot ligature of the vertical reinforcing bar of interior welt, accelerated the construction progress, reduction of erection time.
Through comparative analysis with the above-mentioned patent publication, the applicant believes that the circular foundation pit construction formwork disclosed in the above-mentioned patent has greater differences in structure and function, especially in the aspect of splicing structures of modules, etc., and the patent does not affect the novelty of the present application through analysis.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's weak point, provide a circular foundation ditch is pour and is used pin-connected panel steel form, this pin-connected panel steel form non-deformable need not to set up the interior support, and occupation space is little, and the while operation is more convenient, and the shaping is pleasing to the eye, has effectually solved traditional plank sheathing seam incompact, out of plumb for circular foundation ditch supports the great and can not manifold cycles utilization scheduling problem of the degree of difficulty.
An assembled steel template for casting a circular foundation pit comprises a plurality of sections of inner arc die frames which are circumferentially spliced and fixed, and outer arc templates which are connected to the outer arc surfaces of the inner arc die frames in an adjusting mode through bolts; back rib steel plates distributed in a grid shape are welded and fixedly arranged on the inner arc surfaces of the outer arc templates, and a plurality of adjusting bolts arranged towards the center of the circular foundation pit are welded and fixedly arranged on the back rib steel plates; the adjusting bolts penetrate through the inner arc die set, and adjusting nuts are in threaded connection with the adjusting bolts on the two sides of the inner arc die set.
The inner arc formwork comprises a plurality of arc channel steel beams and a plurality of H-shaped steel columns, wherein the arc channel steel beams extend horizontally and are arranged at equal intervals in the vertical direction, two ends of each arc channel steel beam are respectively welded and fixedly provided with a vertically arranged connecting plate, and the outer arc surface side walls of the arc channel steel beams are matched and fixedly provided with a plurality of vertically arranged H-shaped steel columns; a plurality of layers of pedestrian passage frames extending along the horizontal direction are fixedly arranged on the inner arc surface of the inner arc die carrier, and each pedestrian passage frame comprises a horizontal beam, an inclined strut and an annular connecting rod; one end of the horizontal beam faces the center of the circular foundation pit and is fixedly welded with the top of the inclined strut and the side wall of the annular connecting rod, and the other end of the horizontal beam is fixedly connected with the side wall of the H-shaped steel column; the bottom of the inclined strut is fixedly connected with the inner cambered surface of the arc-shaped groove steel beam; both ends of the annular connecting rod are provided with connecting buckles.
Moreover, the outer arc template comprises a standard block, an adjusting block and a wedge block; the standard block is a cambered surface steel plate formed by pressing a rectangular steel plate; the adjusting block is a cambered surface steel plate formed by pressing trapezoidal steel plates, inclined surfaces of the trapezoidal steel plates are oppositely arranged, and the horizontal distance between the bottoms of the two trapezoidal steel plates is smaller than the horizontal distance between the tops of the two trapezoidal steel plates; the wedge block is a cambered surface steel plate formed by pressing a trapezoidal steel plate, the wedge block is inserted between the two adjusting blocks in a sealing mode, and rubber sealing gaskets are compositely bonded on two inclined side edges of the wedge block.
And the width of the arc-shaped groove steel beam at the upper part of the inner arc die set is smaller than that of the arc-shaped groove steel beam at the lower part of the inner arc die set.
Moreover, horizontal bottom supports are welded at the bottoms of the H-shaped steel columns, and lifting rings are fixedly welded at the tops of the H-shaped steel columns; the top of the horizontal bottom support fixedly supports the outer arc template.
Moreover, the standard block and the adjusting block are both provided with a pouring port and a tamping port.
The utility model has the advantages and the technical effect be:
the utility model discloses a circular foundation ditch is pour and is used pin-connected panel steel form forms the inner ring support of pin-connected panel steel form through the inner arc die carrier of a plurality of circumference concatenations, and the arc wall girder steel of inner arc die carrier is used for the horizontal support of steel form, and the both ends of arc wall girder steel are connected with its higher level and lower level arc wall girder steel bolted connection respectively; the H-shaped steel column of the inner arc formwork is used for vertically supporting the steel formwork, a lifting ring at the top of the H-shaped steel column is used for hoisting and positioning the integral inner arc formwork, and a horizontal bottom support at the bottom of the H-shaped steel column is used for vertically supporting and positioning the outer arc formwork; and the pedestrian passage frame fixedly arranged on the inner arc surface of the inner arc die carrier is used for reserving the construction position of maintenance and installation personnel.
The utility model discloses a circular foundation ditch is pour and is used pin-connected panel steel form, the arc that forms circular foundation ditch inner wall through a plurality of concatenation outer arc templates constitutes the holding surface is pour to the arc of outer arc template back is used for strengthening the arc structural strength of outer arc template, avoids when pouring compressing deformation; most importantly, the back rib steel plate of the outer arc template is in adjustable connection with the H-shaped steel column through an adjusting bolt and an adjusting nut, and is used for controlling the diameter of the circular periphery surrounded by the whole outer arc template; and finally, standard blocks of the outer arc template are used for laying large-area arc surfaces in the circular foundation pit, and the adjusting blocks and the wedge blocks are used for circumferential jacking positioning when the assembled steel template is encircled.
The utility model discloses a circular foundation ditch is pour and is used pin-connected panel steel form, it is difficult for the atress to warp, and need not to set up the interior support, and occupation space is little, and the while operation is more convenient, and the shaping is pleasing to the eye, is a pin-connected panel steel form that has higher creativity.
Drawings
FIG. 1 is a schematic view of the three-dimensional structure of the inner arc mold frame of the present invention;
fig. 2 is a partial cross-sectional view of the present invention (side view);
fig. 3 is a partial cross-sectional view (back view) of the present invention;
fig. 4 is a schematic diagram of the assembly structure of the outer arc template (a schematic diagram of the assembly structure of the enclosure);
FIG. 5 is a top view of the present invention;
in the figure: 1-a hoisting ring; 2-H section steel column; 3-arc channel steel beam; 4-horizontal beam; 5-an annular link; 6-diagonal bracing; 7-a connecting plate; 8-horizontal bottom support; 9-outer arc template; 10-a back rib steel plate; 11-adjusting the bolt; 12-an adjusting nut; 13-standard block; 14-an adjusting block; 15-wedge block; 16-tamping mouth; 17-a perfusion opening; 18-inner arc die carrier.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
An assembled steel template for casting a circular foundation pit comprises a plurality of sections of inner arc die frames 18 which are circumferentially spliced and fixed, and outer arc templates 9 which are connected to the outer arc surfaces of the inner arc die frames in an adjusting mode through bolts; back rib steel plates 10 which are distributed in a grid shape are welded and fixedly arranged on the inner arc surfaces of the outer arc templates, and a plurality of adjusting bolts 11 which are arranged towards the center of the circular foundation pit are welded and fixedly arranged on the back rib steel plates; the adjusting bolts penetrate through the inner arc mould frame, and adjusting nuts 12 are in threaded connection with the adjusting bolts on the two sides of the inner arc mould frame.
The inner arc formwork comprises a plurality of arc channel steel beams 3 and a plurality of H-shaped steel columns 2, wherein the arc channel steel beams extend in the horizontal direction and are arranged at equal intervals in the vertical direction, two ends of each arc channel steel beam are respectively welded and fixedly provided with a vertically arranged connecting plate 7, and the outer arc side walls of the arc channel steel beams are matched and fixedly provided with a plurality of vertically arranged H-shaped steel columns; a plurality of layers of pedestrian passage frames extending along the horizontal direction are fixedly arranged on the inner arc surface of the inner arc die carrier, and each pedestrian passage frame comprises a horizontal beam 4, an inclined strut 5 and an annular connecting rod 6; one end of the horizontal beam faces the center of the circular foundation pit and is fixedly welded with the top of the inclined strut and the side wall of the annular connecting rod, and the other end of the horizontal beam is fixedly connected with the side wall of the H-shaped steel column; the bottom of the inclined strut is fixedly connected with the inner cambered surface of the arc-shaped groove steel beam; both ends of the annular connecting rod are provided with connecting buckles.
Moreover, the outer arc template comprises a standard block 13, an adjusting block 14 and a wedge block 15; the standard block is a cambered surface steel plate formed by pressing a rectangular steel plate; the adjusting block is a cambered surface steel plate formed by pressing trapezoidal steel plates, inclined surfaces of the trapezoidal steel plates are oppositely arranged, and the horizontal distance between the bottoms of the two trapezoidal steel plates is smaller than the horizontal distance between the tops of the two trapezoidal steel plates; the wedge block is a cambered surface steel plate formed by pressing a trapezoidal steel plate, the wedge block is inserted between the two adjusting blocks in a sealing mode, and rubber sealing gaskets are compositely bonded on two inclined side edges of the wedge block.
And the width of the arc-shaped groove steel beam at the upper part of the inner arc die set is smaller than that of the arc-shaped groove steel beam at the lower part of the inner arc die set.
Moreover, horizontal bottom supports 8 are welded at the bottoms of the H-shaped steel columns, and lifting rings 1 are welded and fixedly installed at the tops of the H-shaped steel columns; the top of the horizontal bottom support fixedly supports the outer arc template.
Moreover, the standard block and the adjusting block are both provided with a pouring opening 17 and a tamping opening 16.
For a more clear description of the embodiments of the present invention, the following provides an example:
the utility model discloses a circular foundation ditch is pour and is used pin-connected panel steel form needs to be assembled at the job site examination, hangs into circular foundation ditch reassembly after satisfying relevant requirement, adjusts the circular total stay diameter of outer arc template through the adjusting block, and the equipment is accomplished and is adjusted the whole elevation of steel form through lifting device. The installation and the removal of the template are directly controlled by hoisting equipment. The template can be installed and hoisted in place at one time, the template can be dismantled at one time without additionally arranging an inner support inside the inner arc formwork, the construction operation of a middle channel is not influenced, the method is convenient and fast, the construction time is greatly shortened, the construction quality is improved, and the construction safety is ensured.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (6)
1. The utility model provides a circular foundation ditch is pour and is used pin-connected panel steel form which characterized in that: the device comprises a multi-section inner arc die frame which is spliced and fixed in the circumferential direction, and an outer arc template which is adjusted and connected to the outer arc surface of the inner arc die frame through bolts; back rib steel plates distributed in a grid shape are welded and fixedly arranged on the inner arc surfaces of the outer arc templates, and a plurality of adjusting bolts arranged towards the center of the circular foundation pit are welded and fixedly arranged on the back rib steel plates; the adjusting bolts penetrate through the inner arc die set, and adjusting nuts are in threaded connection with the adjusting bolts on the two sides of the inner arc die set.
2. The assembled steel formwork for circular foundation pit pouring of claim 1, wherein: the inner arc formwork comprises a plurality of arc channel steel beams and a plurality of H-shaped steel columns, wherein the arc channel steel beams extend in the horizontal direction and are arranged at equal intervals in the vertical direction, two ends of each arc channel steel beam are respectively welded and fixedly provided with a vertically arranged connecting plate, and the outer arc surface side walls of the arc channel steel beams are matched and fixedly provided with a plurality of vertically arranged H-shaped steel columns; a plurality of layers of pedestrian passage frames extending along the horizontal direction are fixedly arranged on the inner arc surface of the inner arc die carrier, and each pedestrian passage frame comprises a horizontal beam, an inclined strut and an annular connecting rod; one end of the horizontal beam faces the center of the circular foundation pit and is fixedly welded with the top of the inclined strut and the side wall of the annular connecting rod, and the other end of the horizontal beam is fixedly connected with the side wall of the H-shaped steel column; the bottom of the inclined strut is fixedly connected with the inner cambered surface of the arc-shaped groove steel beam; and the two ends of the annular connecting rod are provided with connecting buckles.
3. The assembled steel formwork for circular foundation pit pouring of claim 1, wherein: the outer arc template comprises a standard block, an adjusting block and a wedge block; the standard block is a cambered surface steel plate formed by pressing a rectangular steel plate; the adjusting blocks are cambered surface steel plates formed by pressing trapezoidal steel plates, inclined planes of the trapezoidal steel plates are arranged oppositely, and the horizontal distance between the bottoms of the two trapezoidal steel plates is smaller than the horizontal distance between the tops of the two trapezoidal steel plates; the wedge block is a cambered surface steel plate formed by pressing a trapezoidal steel plate, the wedge block is inserted between the two adjusting blocks in a sealing mode, and rubber sealing gaskets are compositely bonded on two inclined side edges of the wedge block.
4. The assembled steel formwork for circular foundation pit pouring of claim 2, wherein: the width of the arc-shaped groove steel beam at the upper part of the inner arc formwork is smaller than that of the arc-shaped groove steel beam at the lower part of the inner arc formwork.
5. The assembled steel formwork for circular foundation pit pouring of claim 2, wherein: the bottom of each H-shaped steel column is welded with a horizontal bottom support, and the top of each H-shaped steel column is welded and fixedly provided with a hanging ring; and the top of the horizontal bottom support is fixedly provided with an outer arc template.
6. The assembled steel formwork for circular foundation pit pouring of claim 3, wherein: and the standard block and the adjusting block are both provided with a pouring port and a tamping port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021773303.4U CN213267906U (en) | 2020-08-24 | 2020-08-24 | Circular foundation ditch is pour and is used pin-connected panel steel form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021773303.4U CN213267906U (en) | 2020-08-24 | 2020-08-24 | Circular foundation ditch is pour and is used pin-connected panel steel form |
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| Publication Number | Publication Date |
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| CN213267906U true CN213267906U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021773303.4U Active CN213267906U (en) | 2020-08-24 | 2020-08-24 | Circular foundation ditch is pour and is used pin-connected panel steel form |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404057A (en) * | 2021-07-16 | 2021-09-17 | 江苏通力建设集团有限公司 | Integral pouring structure and construction method for foundation pit side wall cushion layer of elevator shaft |
-
2020
- 2020-08-24 CN CN202021773303.4U patent/CN213267906U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404057A (en) * | 2021-07-16 | 2021-09-17 | 江苏通力建设集团有限公司 | Integral pouring structure and construction method for foundation pit side wall cushion layer of elevator shaft |
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