Integrated portable inner supporting device for small space

Abstract

The utility model relates to the technical field of municipal construction, in particular to an integrated portable inner supporting device for a small space, which comprises a central guide screw, supporting force-bearing arms are respectively arranged on two sides of the central guide screw, the initial ends of the supporting force-bearing arms are hinged with sliding sleeves I, and the tail ends of the supporting force-bearing arms are hinged with supporting joints. A second sliding sleeve is further arranged in the middle of each supporting stress arm, each second sliding sleeve is hinged to an auxiliary stabilizing arm, a third sliding sleeve is hinged to the tail end of each auxiliary stabilizing arm, the first sliding sleeve and the third sliding sleeve are both slidably arranged on the center guide screw in a sleeving mode, an upper limiting fastening nut is arranged above the first sliding sleeve, and a lower limiting fastening nut is arranged above the third sliding sleeve. A lower limiting fastening nut is arranged below the third sliding sleeve. The supporting width of the supporting device can be adjusted, so that the supporting device is more convenient to operate in a narrow space; the device has the characteristics of simple structure, good stability and reusability.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal construction, and particularly relates to an integrated portable internal support device for small spaces. Background Technique

[0002] During the construction of traditional municipal facilities, emphasis is placed on above-ground facilities while underground facilities are neglected. Therefore, the construction of underground drainage pipe networks is imperfect, with a small scale and poor drainage effect. Along with the implementation of the national water environment improvement and the transformation of urban rainwater and sewage diversion, a large number of pipe network facilities have started to be constructed, and there are a large number of cast-in-situ concrete pipe trenches and inspection wells during the project construction process. Since a large number of formwork supports need to be set during the on-site pouring process of the strip-shaped rainwater ditch, but the ditch size is small, usually with a width of 1.5 - 3.0 meters and a height of 1.5 - 2.5 meters, the internal space is limited and the construction is inconvenient; in addition, traditional square timbers are usually used for supporting the formwork, and a large number of square timbers need to be frequently fabricated, wasting manpower and material resources.

[0003] Based on this, combined with the characteristics of the pipe trench project construction, an integrated portable internal support device suitable for small spaces is specially designed. Content of the Utility Model

[0004] The utility model aims to solve the above problems and provides an integrated portable internal support device for small spaces. This device is mostly used for supporting the formwork of strip-shaped small spaces such as rainwater ditches, inspection wells, and power ditches, which can effectively improve the construction efficiency and reduce resource waste.

[0005] The utility model is realized through the following technical solutions: an integrated portable internal support device for small spaces, characterized in that it includes a central guiding screw. On both sides of the central guiding screw, there are respectively support stress arms. The starting ends of the support stress arms are hinged with sliding sleeve one, and the tail ends are hinged with support joints. In the middle of each support stress arm, there is also a sliding sleeve two respectively. Each sliding sleeve two is hinged with an auxiliary stabilizing arm, and the tail end of the auxiliary stabilizing arm is hinged with sliding sleeve three. Both sliding sleeve one and sliding sleeve three can be slidably sleeved on the central guiding screw. Among them, there is an upper limit fastening nut above sliding sleeve one, and a lower limit fastening nut below sliding sleeve three. The upper and lower limit fastening nuts are threadedly connected to the central guiding screw.

[0006] Further, a triangular stable structure is formed after the support stress arms, auxiliary stabilizing arms, and central guiding screw are connected to each other.

[0007] Further, the support joint abuts against the formwork support skeleton.

[0008] Furthermore, the lower end of the central guiding screw is inserted into the hollow support rod, and a limit adjusting nut is arranged above the hollow support rod. The limit adjusting nut is sleeved on the central guiding rod and is threadedly connected to the central guiding screw.

[0009] The beneficial effects of the present utility model are as follows: The present utility model realizes the dynamic adjustment of the support width opened by the support force-bearing arm by means of the hinge connection between the first sliding sleeve and the support force-bearing arm; the positions of the upper and lower limit fastening nuts are used to fix the triangular structure formed by the support force-bearing arm, the auxiliary stabilizing arm and the central guiding screw, and the triangular structure is used to improve the overall stability of the support device.

[0010] Due to the adjustable support width of the support device of the present utility model, it is more convenient to operate in a narrow space; the device has a simple structure, good stability and the characteristics of being reusable; the support size of the device can be continuous and steplessly adjusted within the designed size range, and the device has good applicability, that is, it can be adjusted according to different template spacings to make it adaptable. Description of the Drawings

[0011] Figure 1 is a schematic structural diagram of the present utility model;

[0012] In the drawings, 1 is the central guiding screw, 2 is the support force-bearing arm, 3 is the first sliding sleeve, 4 is the support joint, 5 is the second sliding sleeve, 6 is the auxiliary stabilizing arm, 7 is the third sliding sleeve, 8 is the upper limit fastening nut, 9 is the lower limit fastening nut, 10 is the limit adjusting nut, 11 is the hollow support rod, and 12 is the template. Detailed Embodiment

[0013] In order to make the purpose, technical solutions and beneficial effects of the present utility model clearer and more understandable, the technical solutions in the present utility model will be further described below in conjunction with the embodiments.

[0014] As Figure 1As shown in the figure, the inner support device of the utility model includes a central guiding screw 1. On both sides of the central guiding screw 1, there are support force arms 2 with the same structure. The two support force arms 2 are symmetrically arranged on both sides of the central guiding rod. The starting end of each support force arm 2 is hinged to a sliding sleeve 3, and the tail end is hinged to a support joint 4. The support joint 4 abuts against the formwork 12 of the rain gutter or the power trench. In the middle of each support force arm 2, there is also a sliding sleeve 5. The sliding sleeve 5 can slide back and forth along the support force arm 2. Each sliding sleeve 5 is hinged to an auxiliary stabilizing arm 6. The tail end of the auxiliary stabilizing arm 6 is hinged to a sliding sleeve 7. Both the sliding sleeve 3 and the sliding sleeve 7 can slide and are sleeved on the central guiding screw 1. Among them, the sliding sleeve 3 is arranged above the sliding sleeve 7, and an upper limit fastening nut 8 for limiting the sliding sleeve 3 is provided above the sliding sleeve 3. A lower limit fastening nut 9 for limiting the sliding sleeve 7 is provided below the sliding sleeve 7. The upper and lower limit fastening nuts 9 are threadedly connected to the central guiding screw 1, and the dynamically adjusted support device is fixed by using the upper and lower limit fastening nuts 9.

[0015] In order to improve the stability of the support structure, a stable triangular structure is formed after the support force arm 2, the auxiliary stabilizing arm 6 and the central guiding screw 1 of the device are connected to each other.

[0016] The lower end of the central guiding screw 1 is inserted into the hollow support rod 11. A limit adjusting nut 10 is provided above the hollow support rod 11. The limit adjusting nut 10 is sleeved on the central guiding rod and is threadedly connected to the central guiding screw 1. Using the hollow support rod 11 as a bracket increases the convenience and flexibility of the operation of the device.

[0017] To ensure that the connection parts of the support device can rotate freely in a one-dimensional plane, the connection parts of all the above-mentioned rods are all connected by hinge connections or hinge connections in cooperation with central guiding sleeves.

[0018] To improve the stress condition of the support force arm 2, the included angle between the central guiding screw 1 and the support force arm 2 is not less than 60°, usually between 60° and 85°.

[0019] To ensure the uniqueness and stability of the support joint 4, the support joint 4 is connected to the support force arm 2 through a "universal joint" hinge joint to ensure that the support joint 4 is evenly stressed and the position is stable.

[0020] During use, select a suitable support device according to the size in the trench and adjust the support force arm 2. According to the height, select whether to erect the hollow support rod 11 under the central guiding screw 1 as a bracket. Select the inner positioning support points on the formwork 12 and erect this support device. The support joints 4 at both ends are respectively abutted against the support points on both sides of the formwork 12. At this time, tighten the upper and lower limit fastening nuts 9, and at this time, the support device presents a stable triangular shape.

[0021] Except for the technical features described in the specification, the remaining technical features are well-known technologies to those skilled in the art.

Claims

1. An integrated portable inner support device for small spaces, characterized in that: The invention comprises a central guide screw (1), wherein two sides of the central guide screw (1) are respectively provided with support arms (2), the starting end of the support arm (2) is hinged to a sliding sleeve (3), and the tail end is hinged to a support joint (4), and the middle part of each support arm (2) is also respectively provided with a sliding sleeve (5), each sliding sleeve (5) is hinged to an auxiliary stabilizing arm (6), and the tail end of the auxiliary stabilizing arm (6) is hinged to a sliding sleeve (7), and the sliding sleeve (3) and the sliding sleeve (7) can be slidably mounted on the central guide screw (1), wherein an upper limit fastening nut (8) is provided above the sliding sleeve (3), and a lower limit fastening nut (9) is provided below the sliding sleeve (7), and the upper and lower limit fastening nuts (9) are threadedly connected to the central guide screw (1).

2. The integrated portable inner support device for small space according to claim 1, characterized in that: The supporting force-bearing arm (2), the auxiliary stabilizing arm (6) and the central guide screw (1) are connected to each other to form a triangular shaped stable structure.

3. The integrated portable inner support device for small space according to claim 1, characterized in that: The support joint (4) abuts against the support frame of the template (12).

4. The integrated portable inner support device for small space according to claim 1, characterized in that: The lower end of the central guide screw (1) is inserted into the hollow support rod (11), and a limit adjustment nut (10) is provided above the hollow support rod (11). The limit adjustment nut (10) is sleeved on the central guide rod and is threadedly connected to the central guide screw (1).

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