Civil construction ditch supporting mechanism

Abstract

The utility model provides a civil construction ditch supporting mechanism which comprises a supporting and unfolding structure, the supporting and unfolding structure comprises two connecting strips, threaded holes are formed in the middles of the connecting strips, a transmission lead screw is arranged between the two connecting strips, the transmission lead screw is matched with the threaded holes, and the supporting and unfolding structure is arranged between the two connecting strips. The two ends of the connecting strip are rotationally connected with pushing rods, one end of each pushing rod is rotationally connected with a rotating block, and one end of each rotating block is provided with a swing shaft. By means of the supporting and unfolding structures capable of being unfolded outwards or inwards, the supporting and unfolding structures can push the ditch supporting structures arranged on the two sides to horizontally move outwards or enable the supporting plates to rotate outwards to be attached to the inner wall of the ditch, the inner wall of the ditch is stably supported, and collapse of the excavated ditch is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of civil construction, and in particular relates to a civil construction ditch supporting mechanism. Background Art

[0002] Civil construction refers to the construction of civil engineering projects, covering the construction of buildings, structures and works within the facilities and places of houses, roads, railways, airports, bridges, water conservancy, ports, tunnels, water supply and drainage, protection and other projects in various categories above ground, underground, on land, on water and underwater. It includes various technical activities such as survey, design, construction, maintenance and management in the process of project construction;

[0003] During the civil construction process, it is necessary to dig trenches on the ground for burying pipelines, etc. After the trench is dug, a supporting mechanism needs to be installed inside the trench to support the sides of the trench to avoid house collapse.

[0004] However, since the widths of the ditches are not equal, and the supporting mechanism generally adopts a U-shaped structure of three plates connected by screws, each time the ditch is supported, it needs to be reinstalled on site according to the width of the ditch, causing the supporting structure to be unable to adapt to ditches of different widths. Utility Model Content

[0005] Purpose of the utility model

[0006] In view of the above technical problems, the utility model provides a civil construction ditch support mechanism to solve the technical problems mentioned in the background technology.

[0007] Technical Solution

[0008] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is a civil construction ditch support mechanism, including a ditch support structure, the number of which is set to two, a support expansion structure is set between the two ditch support structures, and a pedal structure is set on the top of the support expansion structure;

[0009] The support and unfolding structure includes a connecting bar, a threaded hole is opened in the middle of the connecting bar, the number of the connecting bars is set to two, a transmission screw is arranged between the two connecting bars, the transmission screw cooperates with the threaded hole, both ends of the connecting bar are rotatably connected to a pushing rod, one end of the pushing rod is rotatably connected to a rotating block, and one end of the rotating block is provided with a swing shaft.

[0010] Preferably, the ditch support structure comprises a support plate, a cross bar is provided at the bottom of the support plate, and a plurality of conical first plug shafts are provided at the bottom of the cross bar.

[0011] Preferably, the top of the support plate is rotatably connected to a rotating frame, one end of the rotating frame is provided with a sliding groove, the interior of the sliding groove is slidably connected to a second plug shaft, a positioning block is provided on the inner side of the support plate, and a matching hole is provided on one side of the positioning block.

[0012] Preferably, the outer wall of the swing shaft fits with the inner wall of the matching hole.

[0013] Preferably, the pedal structure comprises a bottom plate, and fitting blocks are arranged on both sides of the bottom of the bottom plate, and spring telescopic rods are arranged on both sides of the fitting blocks.

[0014] Preferably, an auxiliary block is provided on one side of the spring telescopic rod, an auxiliary groove is provided at the bottom of the auxiliary block, and the auxiliary groove is slidably connected to the push rod.

[0015] Beneficial Effects

[0016] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0017] The utility model provides a support expansion structure that can be expanded outward or inward, so that the support expansion structure can push the ditch support structures arranged on both sides to move outward horizontally or make the support plates rotate outward to fit the inner wall of the ditch, so as to stably support the inner wall of the ditch and avoid collapse of the excavated ditch;

[0018] After the support mechanism is installed inside the ditch, a pedal structure is placed on the top of the support deployment structure to facilitate movement of personnel inside the ditch and transportation of materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a three-dimensional diagram of the ditch support structure of the utility model;

[0021] Figure 3 It is a three-dimensional diagram of the pedal structure of the utility model;

[0022] Figure 4 It is a three-dimensional diagram of the support and deployment structure of the utility model.

[0023] Reference numerals

[0024] 1. Ditch support structure; 101. Support plate; 102. Cross bar; 103. First plug shaft; 104. Rotating frame; 105. Sliding groove; 106. Second plug shaft; 107. Positioning block; 108. Matching hole; 2. Support deployment structure; 201. Connecting strip; 202. Threaded hole; 203. Transmission screw; 204. Push rod; 205. Rotating block; 206. Swinging shaft; 3. Pedal structure; 301. Bottom plate; 302. Fitting block; 303. Spring telescopic rod; 304. Auxiliary block; 305. Auxiliary groove. DETAILED DESCRIPTION

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", "coaxial", "bottom", "one end", "top", "the other end", "one side", "front", "two ends", "both sides" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Reference is now made to the accompanying drawings, in which the purpose of each illustration is only to show certain exemplary embodiments, and is not intended to limit the present invention. In each of the drawings, the same reference numerals represent the same or corresponding parts. The dimensions and proportions in each of the drawings are also only for illustration and should not be interpreted as limiting the present invention. These dimensions may be enlarged relative to the actual product.

[0029] Reference Figure 1-4 , a civil construction ditch support mechanism shown includes a ditch support structure 1, the number of the ditch support structures 1 is set to two, a support deployment structure 2 is set between the two ditch support structures 1, and a pedal structure 3 is set on the top of the support deployment structure 2;

[0030] The support and unfolding structure 2 includes a connecting bar 201, a threaded hole 202 is opened in the middle of the connecting bar 201, the number of the connecting bars 201 is set to two, a transmission screw 203 is set between the two connecting bars 201, the transmission screw 203 and the threaded hole 202 cooperate with each other, the two ends of the connecting bar 201 are rotatably connected to the pushing rod 204, one end of the pushing rod 204 is rotatably connected to the rotating block 205, and one end of the rotating block 205 is provided with a swing shaft 206.

[0031] Furthermore, in the above technical solution, the ditch support structure 1 includes a support plate 101, a cross bar 102 is provided at the bottom of the support plate 101, a plurality of conical first plug shafts 103 are provided at the bottom of the cross bar 102, the top of the support plate 101 is rotatably connected to a rotating frame 104, a sliding groove 105 is provided at one end of the rotating frame 104, a second plug shaft 106 is slidably connected inside the sliding groove 105, a positioning block 107 is provided on the inner side of the support plate 101, a matching hole 108 is provided on one side of the positioning block 107, the support plate 101 and the cross bar 102 can be set to a rotating connection or a fixed structure, and the ditch support structure 1 can be replaced according to whether the inner wall of the ditch is inclined or vertical, the vertical ditch is a fixed structure, and the inclined ditch is a rotating connection.

[0032] Furthermore, in the above technical solution, the outer wall of the swing shaft 206 is in contact with the inner wall of the matching hole 108 .

[0033] Furthermore, in the above technical solution, the pedal structure 3 includes a base plate 301, and fitting blocks 302 are arranged on both sides of the bottom of the base plate 301, and spring telescopic rods 303 are arranged on both sides of the fitting block 302, and an auxiliary block 304 is arranged on one side of the spring telescopic rod 303, and an auxiliary groove 305 is opened at the bottom of the auxiliary block 304, and the auxiliary groove 305 is slidably connected with the push rod 204, and the auxiliary groove 305 is installed to the outer wall of the push rod 204. During the rotation of the push rod 204, the auxiliary block 304 can be continuously driven to move outward or inward and squeeze or stretch the spring telescopic rod 303, so that the pedal structure 3 is always installed on the top of the supporting deployment structure 2.

[0034] How this utility works:

[0035] Refer to the instruction manual Figure 1-4 First, when the inner wall of the excavated ditch needs to be supported, the first plug shaft 103 at the bottom of the support plate 101 is inserted into the interior of the ditch, and then the support deployment structure 2 is installed between the two ditch support structures 1, and the swing shaft 206 is inserted into the interior of the matching hole 108, and then the transmission screw 203 is rotated, and the threads at both ends of the transmission screw 203 are rotated in opposite directions, so that the transmission screw 203 drives the connecting bar 201 to move outward, and the connecting bar 201 drives the push rod 204 to rotate, and the push rod 204 drives the rotating block 205 to move outward, so that the rotating block 205 drives the support plate 101 to rotate through the swing shaft 206 to fit the inclined inner wall of the ditch;

[0036] When the inner wall of the ditch is vertical, the support plate 101 is pushed downward by the support deployment structure 2, and then the support plate 101 is pushed downward after being fitted with the inner wall of the ditch. The two support plates 101 drive the support deployment structure 2 and the first insertion shaft 103 at the bottom to be inserted into the soil in the ditch.

[0037] The above-described embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the patent of the utility model shall be based on the attached claims.

Claims

1. A civil construction ditch support mechanism, characterized in that: include A ditch support structure (1), wherein the number of the ditch support structures (1) is set to two, a support deployment structure (2) is arranged between the two ditch support structures (1), and a pedal structure (3) is arranged on the top of the support deployment structure (2); A support and unfolding structure (2) comprises a connecting bar (201), wherein a threaded hole (202) is provided in the middle of the connecting bar (201), the number of the connecting bars (201) is set to two, a transmission screw (203) is provided between the two connecting bars (201), the transmission screw (203) and the threaded hole (202) cooperate with each other, the two ends of the connecting bar (201) are rotatably connected to a push rod (204), one end of the push rod (204) is rotatably connected to a rotating block (205), and one end of the rotating block (205) is provided with a swing shaft (206).

2. A civil construction ditch support mechanism according to claim 1, characterized in that: The ditch support structure (1) comprises a support plate (101), a crossbar (102) is arranged at the bottom of the support plate (101), and a plurality of conical first plug shafts (103) are arranged at the bottom of the crossbar (102).

3. A civil construction ditch support mechanism according to claim 2, characterized in that: The top of the support plate (101) is rotatably connected to a rotating frame (104), one end of the rotating frame (104) is provided with a sliding groove (105), the interior of the sliding groove (105) is slidably connected to a second plug shaft (106), a positioning block (107) is provided on the inner side of the support plate (101), and one side of the positioning block (107) is provided with a matching hole (108).

4. A civil construction ditch support mechanism according to claim 1, characterized in that: The outer wall of the swing shaft (206) is in contact with the inner wall of the matching hole (108).

5. A civil construction ditch support mechanism according to claim 1, characterized in that: The pedal structure (3) comprises a bottom plate (301), and fitting blocks (302) are arranged on both sides of the bottom of the bottom plate (301), and spring telescopic rods (303) are arranged on both sides of the fitting block (302).

6. A civil construction ditch support mechanism according to claim 5, characterized in that: An auxiliary block (304) is provided on one side of the spring telescopic rod (303), an auxiliary groove (305) is provided at the bottom of the auxiliary block (304), and the auxiliary groove (305) is slidably connected to the push rod (204).

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