CN111172983B - Foldable manual hole digging pile dado template - Google Patents
Foldable manual hole digging pile dado template Download PDFInfo
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- CN111172983B CN111172983B CN202010096254.3A CN202010096254A CN111172983B CN 111172983 B CN111172983 B CN 111172983B CN 202010096254 A CN202010096254 A CN 202010096254A CN 111172983 B CN111172983 B CN 111172983B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/66—Mould-pipes or other moulds
- E02D5/68—Mould-pipes or other moulds for making bulkheads or elements thereof
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/66—Mould-pipes or other moulds
- E02D5/665—Mould-pipes or other moulds for making piles
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a foldable manual hole digging pile retaining wall template, which comprises a template body, wherein the template body is formed by assembling two curved templates, one sides of the two curved templates are rotatably connected, and the other sides of the two curved templates are in lap joint; a support which is used for assisting the template body to fold and can drive the template body to ascend or descend is arranged in the template body, and a plurality of limiting seats are fixedly arranged on the inner wall of the template body and the lower end of the template body in the circumferential direction; the support comprises an upper support frame, wherein the upper support frame comprises a connecting cylinder and a plurality of support cross rods which are circumferentially arranged on the connecting cylinder and are positioned on the same plane; a lifting rod which can move up and down and is positioned is arranged in the connecting cylinder, and a plurality of telescopic cross rods of which the left end and the right end are respectively connected with the lifting rod and the limiting seat in a rotating mode are circumferentially arranged at the lower end of the lifting rod. The foldable manual hole digging pile dado template is convenient to use and can effectively save construction time.
Description
Technical Field
The invention relates to an artificial hole digging pile, in particular to a foldable wall protecting template of the artificial hole digging pile.
Background
The manual hole digging pile is a reinforced concrete pile which is manually dug and cast in place, and has the advantages of simple construction machine, small occupied construction site, no influence on surrounding buildings, reliable pile body quality, lower manufacturing cost and the like, so the manual hole digging pile is widely applied at home and abroad. The common construction technology is to dig soil (rock) downwards into round holes manually, support a formwork and pour a circle of concrete retaining wall about every 1 m of excavation, and dig downwards continuously until the depth required by the design. In order to prevent hole collapse and ensure operation safety, supporting devices such as a template and the like are required to be supported in an inner hole of the manual hole digging pile, the template is generally supported by a wood mould or a steel mould in the traditional manual hole digging pile, the stability of a wood mould supporting system is low, the turnover utilization rate of the template is low, and the template is time-consuming and waste in manufacturing; and the steel mould supporting system has heavy template weight, inconvenient transfer and assembly and low assembly efficiency.
In order to solve the problems, the template for the pile hole is in a conical cylinder shape with a large upper part and a small lower part, and further when the template is used, the template needs to be adjusted to the lower part for repeated use or is lifted after being demoulded, the template needs to be detached and then is respectively lifted downwards and then is used after being assembled in the pile opening, and the use mode brings great inconvenience to construction and consumes operation time; at the present stage, the steel template is adopted to replace a wooden template, and the steel template has better strength and turnover and can be repeatedly used; therefore, the manual hole digging pile dado template which is convenient and fast to use is created to meet the construction requirement.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a collapsible manual hole digging pile dado template that has high strength, can be folded when being lifted, and can be unfolded and fixed after being lowered.
In order to solve the technical problems, the invention adopts the following technical scheme:
a foldable manual hole digging pile dado template is characterized by comprising a conical template body with a small upper end diameter and a large lower end diameter, wherein the template body is formed by assembling at least two curved templates, the two curved templates can be partially overlapped under the action of external force to reduce the diameter and form a cylinder shape; a support which is used for assisting the template body to fold and can drive the template body to ascend or descend is arranged in the template body, and a plurality of limiting seats are fixedly arranged on the inner wall of the template body and the lower end of the template body in the circumferential direction; the support comprises an upper support frame arranged in the middle of the template body, the upper support frame comprises a connecting cylinder and a plurality of support cross rods which are circumferentially arranged on the connecting cylinder and are positioned on the same plane, one end of each support cross rod is fixed on the outer wall of the connecting cylinder, and the other end of each support cross rod is rotatably arranged on the inner wall of the template body; a lifting rod capable of moving up and down and positioning is arranged in the connecting cylinder, and a plurality of telescopic cross rods with left and right ends respectively rotatably connected with the lifting rod and the limiting seat are arranged at the lower end of the lifting rod in the circumferential direction; the lifting rod is lifted upwards to drive the end of the telescopic cross rod connected with the lifting rod to lift upwards, and the lower end of the curved surface template of the template body is driven to move inwards after being inclined, so that the two curved surface templates are folded after rotating; the lifting rod can be pressed downwards to drive the end of the telescopic cross rod connected with the lifting rod to move downwards, and the telescopic cross rod is contracted to the shortest state and then is in a horizontal state, and the tail end of the telescopic cross rod is abutted against the limiting seat. Like this, the lamina membranacea is formed by two curved surface template assembly, wherein one end rotatable coupling, the overlap joint is held mutually in the other end, from this, when the drawing of patterns, can be with the fixed back of overlap joint contact, two curved surface templates of while inwards rotating to make the template realize folding up, the diameter diminishes, thereby can demould the mould well. The support not only can play the effect of reinforcing the template, but also can be convenient for an operator to drive the template to move up and down. In addition, the two ends of the telescopic cross rod on the support are respectively and rotatably connected with the lower end of the inner wall of the template and the lower end of the lifting rod, so that after the lifting rod is pulled upwards, the end part of the telescopic cross rod can be driven to move upwards, and the telescopic cross rod is stretched under the pulling force and then obliquely arranged to drive the curved template to rotate to realize folding. When needs are under construction to next section dado, only need to push down and carry the pull rod, at this moment, telescopic horizontal pole can shorten under the effort of pushing including promptly, and the end is spacing under the effect of spacing seat, realizes strutting the centre form, makes it satisfy the demand of later stage dado template. The opening mode is simple and convenient to operate.
Furthermore, a ferrule for sleeving the pull rope is arranged at the top of the lifting rod. Therefore, when the lower position is deeper, the support can be pulled up or lowered down by the pull rope, and meanwhile, the folded inner die is lifted to the position outside the pile hole to be expanded and fixed.
Furthermore, the connecting cylinder is a conical cylinder body with a large upper end diameter and a small lower end diameter, a positioning block matched with the connecting cylinder is arranged in the middle of the lifting rod, and when the telescopic cross rod is in a horizontal state, the positioning block is clamped in the connecting cylinder to limit the position. Like this, set up the connecting cylinder in the middle part of the support frame to establish it into the taper, neither can influence the lifting and pulling and pushing down of lifting rod, can fix a position with the position that the lifting rod pushed down after the locating piece cooperation again, thereby make telescopic horizontal pole under the dual location of locating piece and spacing seat, be the horizontality after strutting, form the support to the internal mold lower extreme.
Furthermore, a fastening cover integrally formed with the positioning block is further arranged at the upper end of the positioning block, the outer edge of the fastening cover extends out of the positioning block and is bent downwards to form a conical cover plate, and a conical clamping groove matched with the upper end of the connecting cylinder is formed between the conical cover plate and the outer wall of the upper end of the positioning block. Like this, when locating piece and connecting cylinder buckled mutually, the fastening lid can continue the card outside the connecting cylinder, and then with the dual fixed of connecting cylinder to consolidate the firm degree of connecting cylinder and locating piece.
Furthermore, the telescopic cross rod is formed by sleeving two rectangular pipes. Like this, adopt the quarter bend flexible, can with the fine block of spacing seat to carry on spacingly through spacing seat bottom plate to telescopic horizontal pole with spacing seat bottom laminating back.
Furthermore, the limiting seat is formed by encircling a U-shaped clamping plate and a bottom plate fixed below the U-shaped clamping plate, a steel ball is fixed in the U-shaped clamping plate, and an arc-shaped concave part matched with the steel ball is arranged at the end part of the rectangular tube connected to one end of the limiting seat. Therefore, the U-shaped clamping plate of the limiting seat can facilitate the rotation of the telescopic cross rod, and the steel balls fixed inside the U-shaped clamping plate can be matched with the arc-shaped concave part at the end part of the telescopic cross rod, so that the rotation of the telescopic cross rod is realized.
Furthermore, one side of one rectangular pipe of each telescopic transverse rod, which faces the upper end of the template body, is provided with a positioning rod, a positioning block corresponding to the positioning rod is arranged on the inner wall of the template body and between the upper support frame and the limiting seat, and the positioning block is provided with a positioning groove buckled with the tail end of the positioning rod. Like this, when telescopic horizontal pole lifted upwards, the locating lever card was in the constant head tank to offset with the template inner wall, fix under current state, avoid promoting the in-process and carry the pull rod firm inadequately, appear rocking.
Furthermore, a plurality of oblique reinforcing rods are further arranged on the inner wall of the template body. Like this, can adopt thinner steel preparation template, consolidate the centre form with support and stiffener to satisfy the user demand, should set up the cost of manufacture that can effectively reduce the centre form, simultaneously, the centre form is thinner, and required thrust is less when it rotates, rotates more swiftly.
Drawings
FIG. 1 is a schematic sectional view of a template in the example;
FIG. 2 is a schematic view showing the expanded state of the template after being lowered in the embodiment;
FIG. 3 is a schematic view illustrating a folded state of the template in the embodiment when lifted;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is an enlarged schematic view of the portion B in fig. 3.
In the figure: the curved surface formwork comprises a curved surface formwork 1, an oblique reinforcing rod 11, a bolt 2, an upper support frame 3, a connecting cylinder 31, a support cross rod 32, a lifting rod 4, a ferrule 41, a positioning block 42, a fastening cover 43, a conical clamping groove 44, a telescopic cross rod 5, a rectangular tube 51, a positioning rod 52, a limiting seat 6, a U-shaped clamping plate 61, a bottom plate 62, a steel ball 63 and a positioning block 7.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example (b):
as shown in fig. 1-3, the foldable manual hole digging pile retaining wall formwork provided by the present embodiment includes a conical cylindrical formwork body with a small upper end diameter and a large lower end diameter, the formwork body is assembled by at least two curved formworks 1, one side of the two curved formworks 1 is rotatably connected, and the other side is overlapped (in specific implementation, three or four curved formworks can be provided, and after the adjacent ends are disconnected, the curved formworks can be rotated or moved relatively under external force after being partially overlapped, so as to reduce the diameter of the formwork body and make the formwork body partially curled); as shown in fig. 1, one side of the lap joint of the curved template in this embodiment is bent twice, the opposite side of the other curved template abuts against the bent part, and is located on the same curved surface with the outer end surface of the curved template at the bent part, and is locked and fixed by bolts 2 and nuts. A support which is used for assisting the template body to fold and can drive the template body to ascend or descend is arranged in the template body, and a plurality of limiting seats 6 are fixedly arranged on the inner wall of the template body and the lower end of the template body in the circumferential direction; the support comprises an upper support frame 3 arranged in the middle of the template body, the upper support frame 3 comprises a connecting cylinder 31 and a plurality of support cross rods 32 which are circumferentially arranged on the connecting cylinder 31 and are positioned on the same plane, one end of each support cross rod is fixed on the outer wall of the connecting cylinder 31, and the other end of each support cross rod is rotatably arranged on the inner wall of the template body; a lifting rod 4 capable of moving up and down and positioning is arranged in the connecting cylinder 31, and a plurality of telescopic cross rods 5 with left and right ends respectively rotatably connected with the lifting rod 4 and the limiting seat 6 are arranged at the lower end of the lifting rod 4 in the circumferential direction; when in use, the locking of the bolt 2 is firstly released, one of the curved surface templates is rotated to ensure that the connecting ends of the two curved surface templates are in a staggered shape, then the lifting rod is lifted upwards to drive the end, connected with the telescopic cross rod 5 and the lifting rod 4, of the telescopic cross rod to lift upwards, and the lower end of the curved surface template 1 of the template body is driven to move inwards after being inclined, so that the two curved surface templates 1 are folded after being rotated; the end of the telescopic cross rod 5 connected with the lifting rod 4 can be driven to move downwards by pressing the lifting rod 4, and the telescopic cross rod is in a horizontal state after being contracted to the shortest state, and the tail end of the telescopic cross rod abuts against the limiting seat 6.
The curved surface template 1 in the embodiment is made of thin steel plates, and the thickness of the steel plates is 3-5 mm. In order to further enhance the strength of the curved formwork, a plurality of oblique reinforcing rods 11 are further arranged on the inner wall of the formwork body. The reinforcing rods are uniformly distributed in the circumferential direction, and the distance between every two adjacent reinforcing rods 11 is 50-100 mm. The density of the reinforcing rods arranged at the adjacent positions of the two curved surface templates can be properly adjusted to be small, and the strength of the connecting position is enhanced.
The upper support frame 3 arranged in the attached drawing is arranged in the middle of the template body, and when the upper support frame is arranged in the middle, the upper support frame needs to be of a telescopic structure, and the minimum length of the contracted length is smaller than the radius of the upper end of the template body. During specific implementation, the upper support frame 3 can be arranged at the top end of the template body, and the expanded diameter of the upper support frame is consistent with the inner diameter of the upper end of the template body. Like this, the template body can be cylindricly after the folding, can not influence lifting of template body.
Further, in order to facilitate the lifting of the template at the pile opening position, a ferrule 41 for sleeving the pull rope is provided at the top of the lifting rod 4. When the lifting rod is used, a flexible pull rope is fixed in the ferrule 41, and the lifting rod can be pulled through the flexible pull rope.
As shown in fig. 2, the connecting cylinder 31 is a tapered cylinder with a large upper end diameter and a small lower end diameter, a positioning block 42 matched with the connecting cylinder 31 is arranged in the middle of the lifting rod 4, and when the telescopic cross rod 5 is in a horizontal state, the positioning block 42 is clamped in the connecting cylinder 31 for limiting. Specifically, the telescopic cross bar 5 is formed by sleeving two rectangular pipes 51.
As shown in fig. 4, a fastening cover 43 integrally formed with the positioning block 42 is further disposed at the upper end of the positioning block 42, an outer edge of the fastening cover 43 extends out of the positioning block and is bent downward to form a conical cover plate, and a conical clamping groove 44 matched with the upper end of the connecting cylinder 31 is formed between the conical cover plate and the outer wall of the upper end of the positioning block 42.
As shown in fig. 5, the limiting seat 6 is formed by a U-shaped clamping plate 61 and a bottom plate 62 fixed under the U-shaped clamping plate 61, a steel ball 63 is fixed in the U-shaped clamping plate, and an arc-shaped recess (not marked in the figure) matched with the steel ball 63 is arranged at the end of the rectangular tube connected to one end of the limiting seat.
Furthermore, one side of one rectangular tube 51 of each telescopic cross rod 5 facing the upper end of the template body is provided with a positioning rod 52, a positioning block 7 corresponding to the positioning rod 52 is arranged on the inner wall of the template body and between the upper support frame 3 and the limiting seat 6, and the positioning block 7 corresponding to the positioning rod 52 is provided with a positioning groove buckled with the tail end of the positioning rod. By adopting the structure, the template can be ensured to keep a stable state when being lifted and pulled, and the template can not move abnormally after being folded.
In specific implementation, a triangular plate can be arranged on the upper side surface of the rectangular tube 51 to replace a positioning block and a positioning rod, wherein one side of the triangular plate facing the inner wall of the curved surface template 1 is an inclined surface, and the inclined angle of the triangular plate is consistent with the inclined angle of the inner wall when the template is in an unfolded state.
Finally, it should be noted that the above embodiments are only used for illustrating the construction technology of the present invention and not for limiting the construction technology, and although the applicant has described the present invention in detail with reference to the preferred embodiments, those skilled in the art should understand that those modifications or equivalent substitutions to the construction technology of the present invention can be made without departing from the spirit and scope of the construction technology, and shall be covered by the claims of the present invention.
Claims (7)
1. A foldable manual hole digging pile dado template is characterized by comprising a conical template body with a small upper end diameter and a large lower end diameter, wherein the template body is formed by assembling at least two curved templates, the two curved templates can be partially overlapped under the action of external force to reduce the diameter and form a cylinder shape; a bracket for assisting the template body to fold and driving the template body to ascend or descend is arranged in the template body, and a plurality of limiting seats (6) are fixedly arranged on the inner wall of the template body and the lower end of the template body in the circumferential direction; the support comprises an upper support frame (3) arranged in the middle or at the upper end of the template body, the upper support frame (3) is of a telescopic structure and comprises a connecting cylinder (31) and a plurality of support cross rods (32) which are circumferentially arranged on the connecting cylinder (31) and are positioned on the same plane, one end of each support cross rod is fixed on the outer wall of the connecting cylinder (31), and the other end of each support cross rod is rotatably arranged on the inner wall of the template body; the connecting cylinder (31) is a conical cylinder with a large upper end diameter and a small lower end diameter, a positioning block (42) matched with the connecting cylinder (31) is arranged in the middle of the lifting rod (4), and when the telescopic cross rod (5) is in a horizontal state, the positioning block (42) is clamped in the connecting cylinder (31) for limiting; a lifting rod (4) which can move up and down and is positioned is arranged in the connecting cylinder (31), and a plurality of telescopic cross rods (5) with the left end and the right end respectively connected with the lifting rod (4) and the limiting seat (6) in a rotating manner are arranged at the lower end circumference of the lifting rod (4); the lifting rod is lifted upwards to drive one end of the telescopic cross rod (5) connected with the lifting rod (4) to lift upwards, and the lower end of the curved surface template (1) of the template body is driven to move inwards after being inclined, so that the two curved surface templates (1) are folded after being rotated; the telescopic cross rod (5) can be driven to move downwards by pressing the lifting rod (4), and the end of the telescopic cross rod (5) connected with the lifting rod (4) is in a horizontal state after being contracted, and the tail end of the telescopic cross rod is abutted against the limiting seat (6).
2. A collapsible manual hole digging pile dado template according to claim 1, characterized in that a loop (41) for sleeving the pulling rope is arranged on the top of the lifting rod (4).
3. A collapsible manual hole digging pile dado template according to claim 1 or 2, characterized in that a fastening cover (43) integrally formed with the positioning block (42) is further provided at the upper end of the positioning block, the outer edge of the fastening cover (43) extends out of the positioning block and is bent downwards to form a conical cover plate, and a conical clamping groove (44) matched with the upper end of the connecting cylinder (31) is formed between the conical cover plate and the outer wall of the upper end of the positioning block (42).
4. A collapsible manual hole pile dado formwork according to claim 3, wherein said telescopic cross bar (5) is formed by two rectangular pipes (51) nested.
5. A foldable manual hole digging pile dado template according to claim 1, 2 or 4, characterized in that, the limiting seat (6) is enclosed by a U-shaped clamping plate (61) and a bottom plate fixed under the U-shaped clamping plate (61), a steel ball (63) is fixed in the U-shaped clamping plate, and an arc-shaped concave part matched with the steel ball (63) is arranged at the end part of a rectangular tube connected with one end of the limiting seat.
6. A collapsible manual hole digging pile dado template according to claim 1, 2 or 4, characterized in that a locating rod (52) is arranged on one side of one of the rectangular tubes (51) of each telescopic cross rod (5) facing the upper end of the template body, a locating block (7) corresponding to the locating rod (52) is arranged on the inner wall of the template body and between the upper supporting frame (3) and the limiting seat (6), and a locating slot buckled with the tail end of the locating rod is arranged on the locating block (7) corresponding to the locating rod (52).
7. A collapsible manual hole digging pile dado formwork according to claim 1, 2 or 4, characterized in that a plurality of diagonal reinforcing bars (11) are further provided on the inner wall of the formwork body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010096254.3A CN111172983B (en) | 2020-02-17 | 2020-02-17 | Foldable manual hole digging pile dado template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010096254.3A CN111172983B (en) | 2020-02-17 | 2020-02-17 | Foldable manual hole digging pile dado template |
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| Publication Number | Publication Date |
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| CN111172983A CN111172983A (en) | 2020-05-19 |
| CN111172983B true CN111172983B (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010096254.3A Active CN111172983B (en) | 2020-02-17 | 2020-02-17 | Foldable manual hole digging pile dado template |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006145B (en) * | 2021-01-13 | 2022-08-19 | 中国水利水电第七工程局成都水电建设工程有限公司 | Reverse construction method construction process for large-diameter working well movable formwork |
| CN113374507A (en) * | 2021-06-29 | 2021-09-10 | 中国十九冶集团有限公司 | Template device and template supporting method for underground deep hole retaining wall |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2077880U (en) * | 1990-11-15 | 1991-05-29 | 南京市第三建筑工程公司304工程处 | Adjustable steel model for concrete hollow perfusion pile |
| CN2599927Y (en) * | 2003-02-22 | 2004-01-21 | 李再生 | Fish cage |
| WO2012035481A1 (en) * | 2010-09-15 | 2012-03-22 | Master Drilling (Pty) Limited | Integral hoisting cable arrangement |
| CN202707066U (en) * | 2012-08-05 | 2013-01-30 | 江苏建筑职业技术学院 | Manual hole digging pile wall-protecting integral template |
| CN105064678A (en) * | 2015-09-01 | 2015-11-18 | 中民筑友有限公司 | Formwork folding and unfolding mechanism, interior cylinder formwork and elevator shaft formwork device |
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2020
- 2020-02-17 CN CN202010096254.3A patent/CN111172983B/en active Active
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