Shaped steel supporting device for excavating pipeline groove

Abstract

The utility model relates to the technical field of construction equipment, in particular to a shaped steel supporting device for excavating a pipeline groove, which comprises a fixing frame, supporting mechanisms and a protective plate, the fixing frame is of a rectangular frame body structure, and the supporting mechanisms are arranged on two sides of the fixing frame; the supporting mechanism comprises a soil retaining plate, a supporting frame, a bearing seat, a lifting table and a connecting rod, the supporting frame is arranged in the fixing frame, the bearing seat and a first screw rod are arranged in the supporting frame, and the lifting table is connected with a sliding strip on the inner wall of the supporting frame and the first screw rod through sliding grooves in the two sides and a screw hole in the middle; one end of the first screw rod is connected with the driving mechanism; a first fixing lug is arranged on the upper portion of the lifting table and connected with the soil retaining plate through a connecting rod. The soil retaining plates are movably connected with the connecting grooves in the fixing frame through the connecting strips. After being arranged in an excavated groove, the device disclosed by the utility model not only can reduce the safety risks of collapse, object strike and the like, but also is convenient for arranging and adjusting the pipeline.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction equipment technical field especially relates to a kind of for pipeline trench excavation's standardization steel support device. BACKGROUND

[0002] In pipeline trench excavation construction process, the conventional trench foundation pit support method has many defects, and the traditional support usually needs layered excavation and support, and the first layer depth is generally about 1.5 meters, after mechanical excavation is completed, the components such as retaining board, back ledge, keel, inner support and the like are manually installed and fixed one by one, however, when the excavation depth exceeds 1.5 meters, the upper layer installed support structure will hinder mechanical operation, so that subsequent construction has to invest a large amount of manpower for excavation, however, manual operation is not only inefficient, but also accompanied by many uncontrollable safety hazards, in narrow and complex foundation pit environment, workers face the risks of collapse, object strike and the like, which greatly increases the difficulty of construction management, and at the same time, due to the uncertainty of manual operation, construction progress is difficult to guarantee, which is easy to cause delay in construction period. Based on this, a kind of pipeline trench excavation's standardization steel support equipment is designed, which can be placed in the trench after excavation, not only can reduce the working time and labor intensity of manual work in foundation pit, reduce the safety risks such as collapse, object strike and the like, but also facilitate the placement and adjustment of pipeline. SUMMARY

[0003] In view of the technical problems in the background art, the utility model provides a kind of pipeline trench excavation's standardization steel support device, after being placed in the trench after excavation, not only can reduce the working time and labor intensity of manual work in foundation pit, reduce the safety risks such as collapse, object strike and the like, but also facilitate the placement and adjustment of pipeline.

[0004] The technical implementation scheme of the utility model is as follows:

[0005] A kind of pipeline trench excavation's standardization steel support device, including fixed frame, support mechanism and protection plate, fixed frame is rectangular frame structure, and the both sides of fixed frame are provided with support mechanism;Support mechanism includes retaining board, support frame, bearing seat, lifting platform and connecting rod, support frame is arranged in the inside of fixed frame, and the inside of support frame is provided with bearing seat and first screw rod, the lifting platform is connected with the slide strip on the inner wall of support frame and first screw rod respectively through the slide groove on both sides and the screw hole in the middle, and one end of first screw rod is connected with driving mechanism;First fixed ear is arranged on the upper portion of lifting platform, and first fixed ear is connected with retaining board by connecting rod;The retaining board is movably connected with the connecting slot on fixed frame by connecting strip.

[0006] Optionally, the side of retaining board is provided with second fixed ear, and second fixed ear is movably connected with one end of connecting rod.

[0007] Optionally, the driving mechanism comprises a first sprocket, a first chain, a second sprocket, a third sprocket, a second chain and a driving motor, the first sprocket and the second sprocket are arranged at the bottom of the first screw rod and the second screw rod respectively, and the first sprocket is connected with the second sprocket through the first chain to form a first group of driving structure; the third sprocket is further arranged on the second screw rod, and the third sprocket is connected with a fourth sprocket on the output shaft of the driving motor through the second chain to form a second group of driving structure.

[0008] Optionally, the driving motor is arranged on the receiving plate of the support frame, and a protective cover is arranged outside the driving motor.

[0009] Optionally, the retaining plate is externally provided with a plurality of reinforcing ribs, and the upper portion of the retaining plate is provided with a protective plate.

[0010] Optionally, the upper portion of the support frame is provided with a dustproof baffle.

[0011] Optionally, the two sides of the fixing frame are provided with hooks.

[0012] The utility model has the advantages of:

[0013] 1. The utility model discloses a fixing frame is internally provided with a protection mechanism, and the interval of the retaining plate on both sides can be adjusted through the driving structure in the air, which facilitates use in different size trenches and improves the applicability of the equipment.

[0014] 2. The utility model discloses a fixing frame is internally provided with a protection mechanism, and the lifting platform in the inside is driven to lift through the driving mechanism, and in this process, the retaining plate on both sides of the fixing frame is driven to move back and forth through the connecting rod on both sides, so that the width is adjusted, and automatic adjustment can be realized. DRAWINGS

[0015] Figure 1 It is the structure schematic drawing of the utility model.

[0016] Figure 2 It is the right view of the utility model.

[0017] Figure 3 It is the structure schematic drawing of the support mechanism of the utility model.

[0018] Figure 4 It is the partial structure schematic drawing of the first screw rod of the utility model.

[0019] Figure 5 It is the structure schematic drawing of the driving mechanism of the utility model.

[0020] Figure 6 It is the structure schematic drawing of the driving motor of the utility model.

[0021] The meanings of the reference numerals in the drawings are as follows: 1, fixed frame; 2, driving mechanism; 201, first sprocket; 202, first chain; 203, second sprocket; 204, third sprocket; 205, second chain; 206, fourth sprocket; 207, receiving plate; 208, driving motor; 3, supporting mechanism; 301, soil retaining plate; 302, connecting strip; 303, second fixing lug; 304, supporting frame; 305, lifting platform; 307, connecting rod; 308, bearing seat; 309, connecting groove; 310, first screw rod; 4, protective plate; 5, reinforcing rib. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in further detail below in combination with the drawings. It is hereby declared that the up, down, left, right, front, back, inner and outer directions appearing or about to appear in the text of the utility model are based on the drawings of the utility model, and are not specific limitations on the utility model.

[0023] As shown in Figures 1-6 A shaped steel supporting device for pipeline trench excavation, comprising a fixed frame 1, a supporting mechanism 3 and a protective plate 4, the fixed frame 1 is a rectangular frame structure, and the two sides of the fixed frame 1 are provided with the supporting mechanism 3; the supporting mechanism 3 comprises a soil retaining plate 301, a supporting frame 304, a bearing seat 308, a lifting platform 305 and a connecting rod 307, the supporting frame 304 is arranged inside the fixed frame 1, and the inside of the supporting frame 304 is provided with the bearing seat 308 and a first screw rod 310, the lifting platform 305 is connected with the slide strip on the inner wall of the supporting frame 304 and the first screw rod 310 through the sliding grooves on the two sides and the screw holes in the middle, and one end of the first screw rod 310 is connected with the driving mechanism 2; the first fixing lug is arranged on the upper part of the lifting platform 305, and the first fixing lug is connected with the soil retaining plate 301 through the connecting rod 307; the soil retaining plate 301 is movably connected with the connecting groove 309 on the fixed frame 1 through the connecting strip 302; the side of the soil retaining plate 301 is provided with a second fixing lug 303, and the second fixing lug 303 is movably connected with one end of the connecting rod 307.

[0024] It should be noted that one supporting mechanism is arranged inside the fixed frame 1, the movement of the two soil retaining plates 301 can be driven by the built-in lifting platform 305, so that the spacing adjustment of the two soil retaining plates 301 is realized, wherein the two screw rods are arranged on the bearing seat 308 inside the supporting frame 304, and the lifting platform 305 is arranged on the screw rod, so that the lifting platform 305 can move up and down under the rotation of the screw rod, and the lifting platform 305 is connected with the second fixing lug 303 on the soil retaining plate 301 through the connecting rod 307, therefore, the lifting platform 305 can drive the two soil retaining plates 301 on the two sides to move through the connecting rod 307 during the lifting process, so that the spacing adjustment is completed.

[0025] Further need to be described, the fixed frame 1 both sides of the retaining plate 301 is through the connecting strip 302 and the connecting groove 309 activity connection, so that under the drive of connecting rod 307, the lateral movement can be realized, realize the interval adjustment, the advantage of this design is that, can adapt to the ditch construction use of different width, the applicability is stronger.

[0026] As Figures 1-6 shown, the drive mechanism 2 includes first sprocket 201, first chain 202, second sprocket 203, third sprocket 204, second chain 205 and drive motor 208, first sprocket 201 and second sprocket 203 are arranged at the bottom of the first screw rod 310 and the second screw rod respectively, and the first sprocket 201 is connected with the second sprocket 203 through the first chain 202 to form the first group of drive structure;Second screw rod is also provided with third sprocket 204, and the third sprocket 204 is connected with the fourth sprocket 206 on the output shaft of the drive motor 208 through the second chain 205, forming the second group of transmission structure.

[0027] Need to be explained, in order to drive the rotation of the two screw rods, we set up the first sprocket 201 and the second sprocket 203 at the bottom of the two screw rods respectively, and the first chain is connected in the middle, forming the first group of transmission structure, and the second screw rod is connected with the drive motor 208 through the third sprocket and the second chain 205, forming the second group of transmission structure, so as to realize the rotation of the two screw rods, and then realize the lifting operation of the whole lifting platform 305.

[0028] As Figures 1-6 shown, the drive motor 208 is arranged on the supporting plate 207 of the support frame 304, and the drive motor 208 is provided with a protective cover outside;The outer side of the retaining plate 301 is provided with a plurality of reinforcing ribs 5, and the upper part of the retaining plate 301 is provided with a protective plate 4;The both sides of the fixed frame 1 are provided with hooks.

[0029] Need to be explained, the outer side of the retaining plate 301 is provided with reinforcing rib 5, which can improve the strength of the structure, and the both sides of the fixed frame 1 are provided with hooks, which is convenient for operation and transportation to the inside of the ditch, and the bottom of the fixed frame 1 is left with pipeline installation space, which is convenient for pipeline installation operation and adjustment.

[0030] Further need to be explained, the upper part of the retaining plate 301 is provided with a protective plate 4, which can move with the retaining plate 301, and the design can place the soil from the top during operation, which can play the role of top protection.

[0031] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.

Claims

1. A standardized steel support device for pipeline trench excavation, comprising a fixing frame (1), a support mechanism (3) and a protective plate (4), characterized in that, The fixed frame (1) is a rectangular frame structure, and the two sides of the fixed frame (1) are provided with supporting mechanisms (3); The supporting mechanism (3) comprises a soil retaining plate (301), a support frame (304), a bearing seat (308), a lifting platform (305) and a connecting rod (307), the support frame (304) is arranged in the interior of the fixed frame (1), the interior of the support frame (304) is provided with the bearing seat (308) and a first screw rod (310), the lifting platform (305) is connected with the slide strip on the inner wall of the support frame (304) and the first screw rod (310) through the sliding grooves on the two sides and the screw holes in the middle, one end of the first screw rod (310) is connected with the driving mechanism (2); The upper part of the lifting platform (305) is provided with a first fixed lug, and the first fixed lug is connected with the soil retaining plate (301) through the connecting rod (307); The soil retaining plate (301) is movably connected with the connecting groove (309) on the fixed frame (1) through the connecting strip (302).

2. A steel shoring device for trenching of pipe lines as claimed in claim 1, wherein, The side of the soil retaining plate (301) is provided with a second fixed lug (303), and one end of the second fixed lug (303) is movably connected with the connecting rod (307).

3. A steel shoring device for trenching of pipe lines as claimed in claim 1, wherein, The driving mechanism (2) comprises a first sprocket (201), a first chain (202), a second sprocket (203), a third sprocket (204), a second chain (205) and a driving motor (208), the first sprocket (201) and the second sprocket (203) are arranged at the bottom of the first screw rod (310) and the second screw rod respectively, the first sprocket (201) is connected with the second sprocket (203) through the first chain (202) to form a first group of driving structures; The second screw rod is further provided with the third sprocket (204), the third sprocket (204) is connected with the fourth sprocket (206) on the output shaft of the driving motor (208) through the second chain (205) to form a second group of transmission structures.

4. A steel shoring device for trenching of pipe lines as claimed in claim 3, wherein, The driving motor (208) is arranged on the receiving plate (207) of the support frame (304), and the driving motor (208) is provided with a protective cover outside.

5. A steel shoring device for trenching according to claim 1, wherein, The soil retaining plate (301) is provided with a plurality of reinforcing ribs (5) outside, and the upper part of the soil retaining plate (301) is provided with a protective plate (4).

6. A steel shoring device for trenching according to claim 1, wherein, The upper part of the support frame (304) is provided with a dustproof baffle.

7. A steel shoring device for trenching according to claim 1, wherein, The two sides of the fixed frame (1) are provided with hooks.

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