Semi-ring pin

Abstract

The utility model relates to a semi-ring pin which comprises a semi-ring-shaped pin body, the radius of an inner ring of the semi-ring-shaped pin body is larger than that of a circle formed by a steel strand, the radius of the semi-ring-shaped pin body is larger than that of an anchor ring, and the thickness of the inner ring of the semi-ring-shaped pin body is smaller than that of an outer ring of the semi-ring-shaped pin body. The non-uniformity control on the fastening part is realized through different knocking and pouring depths at different positions of the two semi-ring pins, and the semi-ring pins not only can be used for lattice beam retaining wall formwork erection, but also can be used for fastening bolts between any two ring-column-shaped components.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, and in particular to a semi-ring pin. Background Art

[0002] At present, the pins used at the construction site are usually straight pins, and widely used are wooden wedges, also known as wedge-shaped wooden blocks. A wooden wedge is a wedge-shaped object made of wood, mainly used for filling, fixing or supporting building materials. At the construction site, wooden wedges are commonly used in various scenarios such as fixing building partition boards, adjusting the flatness of wooden floors, and plugging holes.

[0003] The fixing force of the wooden wedge is limited by the direction and magnitude of the force. If the insertion direction of the wooden wedge is incorrect or it is subjected to strong external forces such as tensile or shear forces, it may slip out or break, resulting in the failure of fixation.

[0004] The wooden wedge is usually regarded as a disposable fixing tool. Once it is necessary to disassemble the fixed material, the wooden wedge itself often needs to be damaged, which may cause certain damage to the material, especially when the wooden wedge is embedded deeply or the material is hard.

[0005] Compared with the fasteners made of metal or other hard materials, the durability of the wooden wedge is poor. When exposed to a humid, corrosive or high-stress environment for a long time, the wooden wedge may rot, deform or lose its fixing ability.

[0006] The performance of the wooden wedge is greatly affected by environmental factors. In a humid or rainy environment, the wood is prone to absorb water and expand, resulting in changes in the size of the wooden wedge, and thus affecting its fixing effect. In addition, high-temperature and dry environments may also cause the wood to crack and deform.

[0007] In order to ensure the fixing effect of the wooden wedge, precise measurement and positioning are required before use. If the size, shape or insertion position of the wooden wedge is inaccurate, it may lead to insecure fixation or damage to the fixed material.

[0008] Although the wooden wedge is suitable for various scenarios and materials, it may not be the best choice under certain specific conditions. For example, in occasions where frequent disassembly and reinstallation are required, using metal expansion tubes or other reusable fasteners may be more appropriate.

[0009] At present, the pins used at the construction site are usually straight pins, and even more are wooden straight pins. Such pins are only stressed at a single point and are not suitable for pinning and supporting on an annular surface; at the same time, due to the uneven stress of single-point support, eccentricity is extremely likely to occur, and higher-tolerance adjustment cannot be achieved. The single-point stress may also cause excessive concentrated stress and affect the performance of the component. All these defects need to be solved and optimized urgently to meet higher usage requirements at the construction site.

[0010] In summary, although wooden wedges have the advantages of simple production, convenient use, low cost, etc., attention should also be paid to their disadvantages such as limited fixing force, single-use, insufficient durability, large environmental impact, high precision requirements, and limited scope of application when in use. Summary of the Invention

[0011] In view of this, the present utility model provides a semi-circular pin. By knocking on the flanges of two symmetrical semi-circular pins and removing the two semi-circular pins, the supporting force between the supported components on both sides can be unloaded, realizing functions such as adjustment and removal, which is convenient and fast.

[0012] The semi-circular pin provided by the present utility model adopts the following technical solutions:

[0013] A semi-circular pin includes a semi-circular ring-shaped pin. The inner ring radius of the semi-circular ring-shaped pin is greater than the radius of the circle formed by the steel strand, the radius of the semi-circular ring-shaped pin is greater than the radius of the anchor ring, and the thickness of the inner ring of the semi-circular ring is thinner than the thickness of the outer ring.

[0014] Optionally, two semi-circular pins are provided, and the two semi-circular pins are symmetrically arranged between the mutual anchor backing plate and the anchor ring.

[0015] Optionally, the semi-circular pin is a semi-circular ring-shaped pin with a flange.

[0016] Optionally, the two semi-circular pins are spliced to form a closed circular ring for 360° supporting force on the tightened part.

[0017] Optionally, the circular ring formed between the two semi-circular pins is used for the steel strand to pass through.

[0018] Optionally, an ear is provided on the side wall of one side of the semi-circular pin.

[0019] In summary, the present utility model includes at least one of the following beneficial technical effects: By knocking on different pouring depths at various positions of the two semi-circular pins, unevenness control of the tightened part is achieved. This semi-circular pin can be used not only in the formwork support of lattice beam retaining walls but also as a fastening pin between any two ring-shaped members. Brief Description of the Drawings

[0020] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0021] Figure 1 It is a schematic diagram of the connection structure between two semi-circular pins and a steel strand in an embodiment of the present utility model;

[0022] Figure 2 It is a schematic structural diagram of the splicing of two semi-circular pins in an embodiment of the present utility model;

[0023] Figure 3 It is a schematic structural diagram of a semi-circular pin in an embodiment of the present utility model;

[0024] Figure 4 It is a side view of an embodiment of the present utility model.

[0025] Explanation of reference numerals: 1, semi-circular pin; 2, ear; 3, steel strand. Specific embodiments

[0026] The following uses specific specific examples to illustrate the implementation manners of the present invention. Those skilled in the art can easily understand the other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

[0027] The following combines the attached Figures 1-4 Further detailed description of the present utility model is made.

[0028] An embodiment of the present utility model discloses a semi-circular pin.

[0029] Referring to Figures 1-4 , a semi-circular pin includes a semi-circular ring-shaped pin. The inner ring radius of the semi-circular ring-shaped pin is greater than the radius of the circle formed by the steel strand 3. The radius of the semi-circular ring-shaped pin is greater than the radius of the anchor ring. The thickness of the inner ring of the semi-circular ring is thinner than the thickness of the outer ring. By knocking at different positions of the two semi-circular pins 1 to make the pouring depths different, the unevenness control of the fastening part is realized. This semi-circular pin 1 can be used not only in the formwork support of the lattice beam retaining wall, but also as a fastening pin between any two cylindrical members.

[0030] In this embodiment, the semi-circular pin 1 is applied to the lattice beam prestressed anchor cable slope support formwork support system and is arranged between the mutual anchor backing plate and the anchor ring.

[0031] The semi-circular pin 1 is made of a metal material. In this embodiment, two semi-circular pins 1 are provided, and the two semi-circular pins 1 are symmetrically arranged between the mutual anchor backing plate and the anchor ring.

[0032] The two semi-circular pins 1 are spliced to form a closed circular ring for 360° support and force application to the fastening part.

[0033] The circular ring formed between the two semi-circular pins 1 is used for the steel strand 3 to pass through.

[0034] The inner ring thickness of the semi-circular ring is thinner than the outer ring thickness. The inner ring of the semi-circular ring is thinner and the outer ring is thicker.

[0035] On one side of the side wall of the semi-circular ring pin 1, there is an ear 2. The setting of the ear 2 facilitates the staff to pick up the semi-circular ring pin 1, which is convenient for later picking up.

[0036] Two semi-circular ring pins 1 are symmetrically inserted between the U-shaped mutual anchoring backing plate and the anchor ring. The semi-circular ring pin 1 is a semi-circular ring-shaped pin with a flange. The inner ring radius of the semi-circular ring is larger than the radius of the circle formed by the steel strand 3, and the radius of the semi-circular ring is larger than the radius of the anchor ring. When inserted between the U-shaped mutual anchoring backing plate and the anchor ring, the steel strand 3 and the anchor backing plate are fastened by the pouring depth. Here, because the inner ring thickness of the semi-circular ring pin 1 is thinner and the outer ring is thicker, when inserted between the U-shaped mutual anchoring backing plate and the anchor ring, the steel strand 3 and the anchor backing plate are fastened by the pouring depth, and the tension of the steel strand 3 is transmitted to the clamping wood and the formwork through the anchor ring, the semi-circular ring pin 1, and the U-shaped mutual anchoring backing plate, realizing the supporting effect on the lattice beam formwork.

[0037] The semi-circular ring pins 1 usually form a circular ring in a group of two to provide 360° support force for the tightened part. It is also possible to control the non-uniformity of the tightened part by knocking different pouring depths at different positions of the two semi-circular ring pins 1.

[0038] The semi-circular ring pin 1 can be used not only in the formwork support of the lattice beam retaining wall, but also as a fastening pin between any two ring-shaped members.

[0039] During the later formwork removal, by knocking the flanges of the two symmetrical semi-circular ring pins 1 at the steel strand 3, the two semi-circular ring pins 1 can be taken out, and the support force between the supported members on both sides can be unloaded, realizing functions such as adjustment and removal, and the disassembly and assembly are convenient.

[0040] In this article, specific examples are used to elaborate on the principle and implementation method of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. The above is only the preferred implementation method of the present utility model. It should be noted that due to the limited nature of the written expression and the objectively infinite specific structures, for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements, retouches or changes can be made, or the above technical features can be combined in an appropriate way; these improvements, retouches, changes or combinations, or directly applying the concept and technical solution of the utility model to other occasions without improvement, should all be regarded as the protection scope of the present utility model.

Claims

1. A semi-ring pin, characterized in that: It comprises a semicircular ring pin, the inner ring radius of the semicircular ring pin is larger than the radius of the circle formed by the steel strand, the radius of the semicircular ring pin is larger than the radius of the anchor ring, and the inner ring thickness of the semicircular ring is thinner than the outer ring thickness.

2. The half ring pin according to claim 1, characterized in that: The half ring pins are provided in two pieces, and the two half ring pins are symmetrically arranged between the mutual anchoring pad and the anchor ring.

3. The half ring pin according to claim 2, characterized in that: The semi-ring pin is a semicircular ring pin with a flange.

4. The half ring pin according to claim 3, characterized in that: The two half-ring pins are spliced ​​to form a closed circular ring, which is used to provide 360-degree support and stress to the tightening part.

5. The half ring pin according to claim 4, characterized in that: The circular ring shape formed between the two half-ring pins is used for the steel strand to pass through.

6. The half ring pin according to claim 1, characterized in that: A support ear is arranged on a side wall of one side of the semi-ring pin.

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