Precast square pile core filling bottom tray device
By combining steel discs, hangers, and fixing bars, the problems of insufficient installation accuracy and grout leakage of the bottom tray of precast hollow square piles were solved, achieving high-precision bottom tray positioning and preventing grout leakage, thus improving the construction quality of precast square piles.
Patent Information
- Application Number
- CN202423105777.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Traditional precast hollow square pile bottom trays have poor installation accuracy, are prone to grout leakage, and affect the quality of the pile body.
The system employs a combination structure of steel tray, hanger rod, and fixing bar. The hanger rod is bolted to the steel tray, and a fixing bar is installed at the top of the hanger rod. A PVC pipe is fitted onto the hanger rod to ensure that the tray remains level and prevents sticking during concrete pouring. A sealing ring is also used to prevent grout leakage.
By controlling the installation accuracy and position of the bottom tray through standardized components, tilting caused by concrete impact is prevented, ensuring the quality of the pile body, avoiding grout leakage, and improving construction quality.
Smart Images
Figure CN223562151U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to prefabricated pipe pile technical field more specifically, it relates to a kind of prefabricated square pile filling core bottom tray device. BACKGROUND
[0002] With the continuous development of construction engineering, as a kind of commonly used foundation engineering material, the design and application of prefabricated square pile filling core concrete bottom tray device are more and more concerned. Prefabricated square pile filling core concrete bottom tray device plays an important role in construction engineering, which can effectively control the filling depth, ensure the quality of filling core concrete, and improve the bearing capacity and stability of prefabricated square pile.
[0003] At present, the traditional tray is processed according to the shape of the hollow hole of the prefabricated square pile. After being manufactured, it is welded with the filling steel reinforcement cage to form a whole and then is lowered into the prefabricated hollow square pile hole. The position of the tray is fixed by widening the cross section of the steel reinforcement, and the control of installation precision is largely dependent on the technical level and responsibility of the construction personnel, which increases the uncertainty of the construction quality of the prefabricated square pile. In addition, the tray is connected by steel reinforcement welding points. When filling concrete, the tray may be tilted due to the impact of concrete, resulting in leakage of filling core concrete and reduction of pile quality and bearing capacity.
[0004] Therefore, it is necessary to provide a prefabricated square pile filling core bottom tray device to solve the problems of poor installation precision and easy leakage of the existing prefabricated hollow square pile bottom tray. SUMMARY
[0005] The utility model provides a kind of prefabricated square pile filling core bottom tray device to solve the problems of poor installation precision and easy leakage of the existing prefabricated hollow square pile bottom tray.
[0006] According to one aspect of the utility model, a prefabricated square pile filling core bottom tray device is provided, which comprises a steel disc and a boom. The outer edge surface of the steel disc is embedded with a sealing ring. The bottom of the boom is connected to the steel disc by bolts. A PVC pipe is sleeved on the boom. A fixed bar is installed on the top of the boom. The fixed bar is a plurality of bars extending outward at equal intervals from the center of the boom.
[0007] On the basis of the above-mentioned scheme, a groove is provided on the outer edge surface of the steel disc, and the sealing ring is embedded in the groove.
[0008] On the basis of the above-mentioned scheme, the sealing ring is a rubber ring.
[0009] Preferably on the basis of the above scheme, the middle part of the steel disc is outwardly convex to form a mounting rim, screw holes are arranged on the mounting rim, the bottom of the suspender is provided with connecting holes opposite to the screw holes, the connecting holes are arranged opposite to the screw holes and are provided with nuts to be locked.
[0010] Preferably on the basis of the above scheme, the fixing rod is a stainless steel pipe, and the stainless steel pipe is uniformly spaced and welded along the outer edge surface of the suspender.
[0011] Preferably on the basis of the above scheme, the PVC pipe is arranged on the suspender and is sleeved outside the mounting rim.
[0012] The utility model discloses a prefabricated square pile filling core bottom tray device, through adopting fixed rod to ensure that tray and suspender are separated from the design specified position in the process of pouring concrete because of the impact force or uneven distribution of load, and can be through the case of horizontal fixed rod, control bottom tray is in a horizontal state, combine PVC pipe to prevent the situation that suspender and concrete are bonded and cannot be recycled.
[0013] Unlike the situation that the installation precision is insufficient due to the depth of the installation controlled by the experience of workers in the installation of the traditional prefabricated hollow square pile bottom tray, the utility model discloses a prefabricated square pile filling core bottom tray device, the depth of the installation is controlled through the standard prefabricated component suspender, the length of the prefabricated suspender is prefabricated according to the design depth, the bottom tray depth is guaranteed through the horizontal fixed rod fixed in the pile head position, and the horizontal position of the tray is controlled through the horizontal rod to prevent the impact inclination generated in the process of pouring concrete and cause the core filling concrete to leak and affect the quality of the pile body. ACCURACY
[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the person skilled in the art comes, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.In the drawings:
[0015] Figure 1 It is the structure diagram of the prefabricated square pile filling core bottom tray device of the utility model;
[0016] Figure 2 It is the use state diagram of the prefabricated square pile filling core bottom tray device of the utility model;
[0017] Figure 3 It is the three-dimensional structure diagram of the steel disc of the utility model;
[0018] Explanation of the attached drawings:
[0019] 1. Steel disc; 11. Sealing ring; 12. Groove; 13. Mounting rim; 14. Threaded hole; 2. Boom; 21. PVC pipe; 3. Fixed bar. DETAILED DESCRIPTION
[0020] The specific embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but are not used to limit the scope of the present application.
[0021] It should be understood that the term "comprising" as used in the specification and the appended claims indicates the presence of the recited features, integers, steps, operations, elements, and / or components but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.
[0022] For the sake of simplicity, only parts related to the present application are shown in the drawings, which do not represent the actual structure of the product. In addition, in order to make the drawing simple and easy to understand, in some drawings, only one of the components with the same structure or function is shown schematically, or only one of them is marked. In this document, "one" not only means "only one", but also means "more than one" situation.
[0023] It should be further understood that the term "and / or" as used in the specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.
[0024] In the embodiments shown in the drawings, the indications of direction, such as up, down, left, right, front and back, are not absolute but relative to explain the structure and movement of various components of the present application. When these components are in the position shown in the drawings, these descriptions are appropriate. If the position of these components changes, the indications of direction also change accordingly.
[0025] In addition, in the description of the present application, the terms "first", "second", etc. are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.
[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the specific embodiments of the present application will be described in conjunction with the drawings. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can also be obtained.
[0027] Please refer to Figure 1 , and combine Figure 2 andFigure 3 The utility model discloses a prefabricated square pile filling core bottom tray device, including steel disc 1 and boom 2, the outer edge surface of steel disc 1 is embedded with sealing washer 11, and the bottom of boom 2 is connected with steel disc 1 through bolt, and boom 2 is equipped with PVC pipe 21, and the top of boom 2 is equipped with fixed lever 3, and fixed lever 3 is outwardly extended evenly with the center of boom 2 interval.
[0028] When prefabricated square pile is carried out, the steel disc 1 of the utility model is lowered to the bottom of the prefabricated hollow square pile hole through boom 2, and the sealing washer 11 on the steel disc 1 is used to form the sealing of the bottom of the square pile hole, so that the problem of grouting leakage during grouting is avoided, and the fixed lever 3 is clamped at the top of the square pile hole, so that the positioning is realized, and the falling problem is prevented.
[0029] During grouting, the length of boom 2 can be set according to the needs of the square pile hole, and the PVC pipe 21 can prevent the adhesion of boom 2 and concrete from causing the situation that boom 2 cannot be recycled,
[0030] Specifically, the outer edge surface of the steel disc 1 is provided with a groove 12, and the sealing washer 11 is embedded in the groove 12, and the sealing washer 11 is a rubber ring.
[0031] Further, the middle part of the steel disc 1 is outwardly protruded to form a mounting edge 13, the mounting edge 13 is provided with a threaded hole 14, the bottom of the boom 2 is provided with a connecting hole opposite to the threaded hole 14, and the connecting hole and the threaded hole 14 are oppositely arranged and threaded with a nut for locking.
[0032] Among them, the fixed lever 3 is a stainless steel pipe, and the stainless steel pipe is evenly and interval welded along the outer edge surface of the boom 2, and the plane formed by the plurality of fixed levers 3 is arranged in parallel with the bottom steel disc 1.
[0033] Among them, the PVC pipe 21 is threaded on the boom 2 and sleeved outside the mounting edge 13, so as to protect the connecting head of the boom 2 and the steel disc 1.
[0034] The utility model discloses a prefabricated square pile filling core bottom tray device, through adopting fixed lever 3 to ensure that the tray and boom 2 are separated from the design specified position due to the impact force or uneven distribution of load during pouring concrete, and the horizontal fixed lever 3 can control the bottom tray to be in a horizontal state, and the PVC pipe 21 can prevent the adhesion of boom 2 and concrete from causing the situation that boom 2 cannot be recycled.
[0035] Different from the situation that the installation precision is insufficient due to the worker experience control of the installation depth of the bottom tray of the traditional prefabricated hollow square pile, the prefabricated square pile filling core bottom tray device controls the depth of release through the standard prefabricated component hoist 2, the length of the prefabricated hoist 2 is prefabricated according to the design depth, the horizontal fixing lever 3 is fixed at the pile head position, and the depth of the bottom tray is guaranteed. And the horizontal position of the tray is controlled through the horizontal lever, the impact inclination generated in the concrete pouring process is prevented, the filling core concrete leakage is prevented, and the pile body quality is affected.
[0036] Finally, the method of the application is only a preferred embodiment, and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A precast square pile core filling bottom tray device, characterized in that, It includes a steel disc and a lifting rod. A sealing ring is embedded in the outer edge of the steel disc. The bottom of the lifting rod is connected to the steel disc by bolts. A PVC pipe is fitted on the lifting rod. A fixing bar is installed on the top of the lifting rod. The fixing bar consists of multiple bars that extend outward evenly from the center of the lifting rod.
2. The precast square pile core filling bottom tray device as described in claim 1, characterized in that, A groove is provided on the outer edge surface of the steel disc, and the sealing ring is embedded in the groove.
3. The precast square pile core filling bottom tray device as described in claim 2, characterized in that, The sealing ring is a rubber ring.
4. The precast square pile core filling bottom tray device as described in claim 1, characterized in that, The steel disc protrudes outward from the middle to form an mounting edge, and a threaded hole is provided on the mounting edge. The bottom of the lifting rod is provided with a connecting hole opposite to the threaded hole. The connecting hole is opposite to the threaded hole and a nut is inserted through it for locking.
5. The precast square pile core filling tray device as described in claim 4, characterized in that, The fixing bar is a stainless steel tube, and the stainless steel tube is welded at even intervals along the outer edge of the hanger.
6. The precast square pile core filling bottom tray device as described in claim 4, characterized in that, The PVC pipe is threaded through the hanger and fitted onto the outside of the mounting edge.