Device for preventing slurry from overflowing in cast-in-situ bored pile construction

Abstract

The utility model relates to the technical field of cast-in-situ bored pile construction, in particular to a slurry overflow preventing device for cast-in-situ bored pile construction, which comprises a protective cylinder, a protective frame, an outer sleeve and a supporting device, the protective frame is mounted on the surface of the protective cylinder, the outer sleeve is mounted on the surface of the protective cylinder, the supporting device is arranged on the surface of the outer sleeve, and the supporting device comprises a supporting strip. And the two supporting strips are placed on the upper surface of the pile casing. According to the slurry overflow prevention device, the supporting device is arranged, so that a worker can effectively and conveniently install a pipeline, when the slurry overflow prevention device is used, the supporting device is installed, the situation that feet of the worker slip in the pipeline installation process is avoided, the practicability of the slurry overflow prevention device is improved, the auxiliary performance of the slurry overflow prevention device is improved, and the practicability of the slurry overflow prevention device is improved. And the difficulty of pipeline installation of workers is reduced, the supporting performance of the device for preventing the slurry from overflowing on the workers is improved, the situation that feet of the workers slip is reduced, and a foothold is provided for the workers.

Description

Technical Field

[0001] The utility model relates to the technical field of bored cast-in-place pile construction, in particular to a device for preventing mud from overflowing during bored cast-in-place pile construction. Background Art

[0002] Bored cast-in-place piles refer to piles made by forming pile holes in the foundation soil at the construction site through mechanical drilling, steel pipe squeezing or manual excavation, and placing steel cages and pouring concrete inside. According to different hole-forming methods, cast-in-place piles can be divided into several categories, such as sinking pipe cast-in-place piles, bored cast-in-place piles and excavated cast-in-place piles. The construction of bored cast-in-place piles, due to the different protective wall formations selected, has two methods: mud protective wall construction method and full casing construction method. With the development of society, when it is necessary to prevent mud from overflowing during the construction of bored cast-in-place piles, a mud overflow prevention device is used.

[0003] The inventor discovered in his daily work that when workers are pouring mud into a borehole, they install a mud overflow prevention device to prevent mud from overflowing during the pouring process. However, during the installation of the machine, the workers are affected by the diameter of the casing, so that the workers need to get close to the borehole and step on the edge of the casing to install the machine's pipes, which causes the workers to slip during the installation of the pipes. Utility Model Content

[0004] The utility model aims to solve the defect in the prior art that workers may slip during the process of installing pipelines, and proposes a device for preventing mud from overflowing during bored pile construction.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for preventing mud overflow from being constructed in bored pile construction, comprising a casing, a protective frame, a jacket and a supporting device, the protective frame is installed on the surface of the casing, the jacket is installed on the surface of the casing, the supporting device is arranged on the surface of the jacket, the supporting device comprises a supporting bar, two of the supporting bars are placed on the upper surface of the casing, the two supporting bars are in contact with the upper surface of the jacket, the upper surface of the supporting bar is fixedly connected with a friction block, the friction block is located above the casing, the lower surface of the supporting bar is fixedly connected with a plug rod, the plug rod is located on one side of the jacket, the surface of the jacket is fixedly connected with a supporting strip, the plug rod is plugged with the inner surface of the supporting strip, the inner surface of the plug rod is threadedly connected with a positioning rod, the positioning rod is in contact with the surface of the supporting strip, and the positioning rod can cooperate with the plug rod to achieve the purpose of limiting the sliding of the plug rod.

[0006] Preferably, a connecting strip is fixedly connected between the two support strips, the connecting strip contacts the surface of the outer sleeve, the connecting strip contacts the surface of the casing, a friction block is fixedly connected to the upper surface of the connecting strip, and the connecting strip can cooperate with the support strip to achieve the purpose of limiting the dispersed sliding of the two support strips.

[0007] Preferably, a stabilizing device is provided on the surface of the support bar, and the stabilizing device includes guide bars, two groups of the guide bars are fixedly connected to the surface of the support bar, the two groups of the guide bars are symmetrically arranged, and the guide bars can cooperate with the support bars to achieve the purpose of supporting the guide sleeve.

[0008] Preferably, a sliding opening is provided on the surface of the guide bar, and the sliding opening is located above the protective frame. The sliding opening can cooperate with the guide bar to achieve the purpose of supporting and guiding the stabilizing bar to slide.

[0009] Preferably, the surface of the slide is slidably connected to a stabilizing rod, which is located on the outside of the outer sleeve. The top of the stabilizing rod is fixedly connected to an adjustment handle, which is located on the outside of the outer sleeve. The stabilizing rod can cooperate with the adjustment handle to facilitate the worker to adjust the stabilizing rod.

[0010] Preferably, a bayonet is provided on the surface of the outer sleeve, the stabilizing rod is in contact with the surface of the bayonet, a through-opening is provided on the surface of the protective frame, the through-opening is the same size as the sliding opening, the stabilizing rod is in contact with the surface of the through-opening, and the bayonet can cooperate with the outer sleeve and the stabilizing rod to achieve the purpose of limiting the loosening of the outer sleeve.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, by arranging a supporting device, when the mud overflow prevention device is used, it is convenient for workers to install the pipeline and use the equipment. The equipment prevents the mud from overflowing by blocking the flow of mud. The supporting strip is placed on the casing, and the plug rod on the lower surface of the supporting strip is inserted into the supporting strip. The positioning rod is aligned with the card hole on the surface of the plug rod and rotated. The positioning rod is inserted into the plug rod to complete the support. By arranging the supporting device, it is effectively convenient for workers to install the pipeline. When the mud overflow prevention device is used, the supporting device is installed to avoid the workers from slipping during the installation of the pipeline, improve the practicability of the mud overflow prevention device, improve the auxiliary function of the mud overflow prevention device, reduce the difficulty of workers to install the pipeline, improve the support of the mud overflow prevention device for the workers, reduce the workers' slipping, and provide a foothold for the workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A three-dimensional structural diagram of a device for preventing mud overflow during bored pile construction is provided for the utility model;

[0014] Figure 2 The utility model provides a structural schematic diagram of a supporting device for preventing mud overflow in bored pile construction;

[0015] Figure 3 The utility model proposes a device for preventing mud overflow during bored pile construction. Figure 2 Schematic diagram of the structure at A in the middle;

[0016] Figure 4 The utility model provides a structural schematic diagram of a stabilizing device for preventing mud overflow in bored pile construction;

[0017] Figure 5 The utility model proposes a device for preventing mud overflow during bored pile construction. Figure 4 Schematic diagram of the structure at point B in the middle.

[0018] Legend:

[0019] 1. Casing; 2. Frame; 3. Support device; 31. Support bar; 32. Friction block; 33. Connecting bar; 34. Insert rod; 35. Support bar; 36. Positioning rod; 4. Stabilizing device; 41. Adjusting handle; 42. Stabilizing rod; 43. Sliding mouth; 44. Guide strip; 45. Bayonet; 46. Through mouth; 5. Outer jacket. DETAILED DESCRIPTION

[0020] See also Figure 1-5 The utility model provides a technical solution: a device for preventing mud overflow during bored pile construction, comprising a casing 1, a protective frame 2, a jacket 5 and a supporting device 3, wherein the protective frame 2 is installed on the surface of the casing 1, the jacket 5 is installed on the surface of the casing 1, and the supporting device 3 is arranged on the surface of the jacket 5.

[0021] The specific configuration and functions of the supporting device 3 and the stabilizing device 4 are described in detail below.

[0022] In this embodiment: the supporting device 3 includes supporting bars 31, two supporting bars 31 are placed on the upper surface of the casing 1, the two supporting bars 31 are in contact with the upper surface of the outer sleeve 5, the upper surface of the supporting bars 31 is fixedly connected with a friction block 32, the friction block 32 is located above the casing 1, the lower surface of the supporting bars 31 is fixedly connected with an insertion rod 34, the insertion rod 34 is located on one side of the outer sleeve 5, the surface of the outer sleeve 5 is fixedly connected with a supporting bar 35, and the insertion rod 34 is plugged into the inner surface of the supporting bar 35.

[0023] Specifically, the inner surface of the insertion rod 34 is threadedly connected with a positioning rod 36 , and the positioning rod 36 contacts the surface of the support bar 35 . The positioning rod 36 can cooperate with the insertion rod 34 to achieve the purpose of limiting the sliding of the insertion rod 34 .

[0024] Specifically, a connecting strip 33 is fixedly connected between the two supporting strips 31 , the connecting strip 33 contacts the surface of the outer sleeve 5 , the connecting strip 33 contacts the surface of the casing 1 , and a friction block 32 is fixedly connected to the upper surface of the connecting strip 33 .

[0025] In this embodiment, the connecting strip 33 can cooperate with the supporting strip 31 to achieve the purpose of limiting the scattered sliding of the two supporting strips 31 .

[0026] In this embodiment: a stabilizing device 4 is provided on the surface of the support bar 31, and the stabilizing device 4 includes guide bars 44. Two groups of guide bars 44 are fixedly connected to the surface of the support bar 31, and the two groups of guide bars 44 are symmetrically arranged. The guide bars 44 can cooperate with the support bar 31 to achieve the purpose of supporting the guide sleeve.

[0027] Specifically, a sliding opening 43 is formed on the surface of the guide bar 44 , and the sliding opening 43 is located above the protective frame 2 .

[0028] In this embodiment, the sliding opening 43 can cooperate with the guide strip 44 to achieve the purpose of supporting and guiding the stabilizing rod 42 to slide.

[0029] Specifically, the surface of the slide 43 is slidably connected to a stabilizing rod 42, which is located on the outside of the outer sleeve 5. The top of the stabilizing rod 42 is fixedly connected to an adjusting handle 41, which is located on the outside of the outer sleeve 5. The stabilizing rod 42 can cooperate with the adjusting handle 41 to facilitate the worker to adjust the stabilizing rod 42.

[0030] Specifically, a bayonet 45 is provided on the surface of the outer cover 5 , and the stabilizing rod 42 contacts the surface of the bayonet 45 . A through hole 46 is provided on the surface of the protective frame 2 , and the through hole 46 is the same size as the sliding hole 43 , and the stabilizing rod 42 contacts the surface of the through hole 46 .

[0031] In this embodiment, the bayonet 45 can cooperate with the outer sleeve 5 and the stabilizing rod 42 to achieve the purpose of limiting the loosening of the outer sleeve 5.

[0032] Working principle: by setting the supporting device 3, when the mud overflow prevention device is used, it is convenient for workers to install the pipeline and use the equipment, which prevents the mud from overflowing by blocking the mud flow. The supporting bar 31 is placed on the casing 1, and the plugging rod 34 on the lower surface of the supporting bar 31 is inserted into the supporting bar 35. The positioning rod 36 is aligned with the card hole on the surface of the plugging rod 34 and rotated. The positioning rod 36 is inserted into the plugging rod 34 to complete the support. By setting the supporting device 3, it is effectively convenient for workers to install the pipeline. When the mud overflow prevention device is used, the supporting device 3 is installed to avoid the workers from slipping during the installation of the pipeline, improve the practicability of the mud overflow prevention device, improve the auxiliary function of the mud overflow prevention device, reduce the difficulty of workers to install the pipeline, improve the support of the mud overflow prevention device for the workers, and reduce the workers' slipping. The situation provides a foothold for workers. In addition, by setting up the stabilizing device 4, when the machine is pouring the borehole, the equipment is used. The equipment prevents the mud from overflowing by blocking the flow of mud. The adjusting handle 41 is pushed. The adjusting handle 41 pushes the stabilizing rod 42. The stabilizing rod 42 is guided by the sliding mouth 43 and slides. The stabilizing rod 42 slides and resists against the bayonet 45 on the surface of the outer sleeve 5. The stabilizing rod 42 is inserted into the through-hole 46 to complete the stability. By setting up the stabilizing device 4, the outer sleeve 5 is effectively stabilized. When the machine is pouring the borehole, the outer sleeve 5 is restricted, and the impact force generated by the material on the casing 1 is avoided to affect the normal use of the outer sleeve 5, thereby improving the practicability of the device for preventing mud overflow, improving the auxiliary function of the device for preventing mud overflow, improving the stability of the device for preventing mud overflow, reducing the situation of thread slippage of the bolts on the surface of the outer sleeve 5, and reducing the impact force on the outer sleeve 5.

Claims

1. A device for preventing mud from overflowing during bored pile construction, comprising a casing (1), a protective frame (2), a jacket (5) and a supporting device (3), characterized in that: The protective frame (2) is mounted on the surface of the protective tube (1), the outer sleeve (5) is mounted on the surface of the protective tube (1), the supporting device (3) is arranged on the surface of the outer sleeve (5), the supporting device (3) comprises a supporting bar (31), two of the supporting bars (31) are placed on the upper surface of the protective tube (1), the two supporting bars (31) are in contact with the upper surface of the outer sleeve (5), the upper surface of the supporting bar (31) is fixedly connected with a friction block (32), the friction block (32) is located above the protective tube (1), the lower surface of the supporting bar (31) is fixedly connected with an insertion rod (34), the insertion rod (34) is located on one side of the outer sleeve (5), the surface of the outer sleeve (5) is fixedly connected with a support bar (35), the insertion rod (34) is plugged into the inner surface of the support bar (35).

2. The device for preventing mud overflow during bored pile construction according to claim 1, characterized in that: The inner surface of the insert rod (34) is threadedly connected with a positioning rod (36), and the positioning rod (36) contacts the surface of the support bar (35).

3. The device for preventing mud overflow during bored pile construction according to claim 1, characterized in that: A connecting strip (33) is fixedly connected between the two supporting strips (31), the connecting strip (33) contacts the surface of the outer sleeve (5), the connecting strip (33) contacts the surface of the casing (1), and a friction block (32) is fixedly connected to the upper surface of the connecting strip (33).

4. The device for preventing mud overflow during bored pile construction according to claim 3, characterized in that: The surface of the support bar (31) is provided with a stabilizing device (4), the stabilizing device (4) comprising guide bars (44), two groups of the guide bars (44) are fixedly connected to the surface of the support bar (31), and the two groups of the guide bars (44) are symmetrically arranged.

5. The device for preventing mud overflow during bored pile construction according to claim 4, characterized in that: A sliding opening (43) is provided on the surface of the guide strip (44), and the sliding opening (43) is located above the protective frame (2).

6. The device for preventing mud overflow during bored pile construction according to claim 5, characterized in that: The surface of the sliding opening (43) is slidably connected to a stabilizing rod (42), and the stabilizing rod (42) is located outside the outer sleeve (5). The top end of the stabilizing rod (42) is fixedly connected to an adjusting handle (41), and the adjusting handle (41) is located outside the outer sleeve (5).

7. The device for preventing mud overflow during bored pile construction according to claim 6, characterized in that: The surface of the outer sleeve (5) is provided with a bayonet (45), the stabilizing rod (42) contacts the surface of the bayonet (45), the surface of the protective frame (2) is provided with a through-opening (46), the through-opening (46) is the same size as the sliding opening (43), and the stabilizing rod (42) contacts the surface of the through-opening (46).

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