Drilling and guniting device for high-pressure jet grouting pile construction
By designing a drilling and spraying device for high-pressure rotary spray pile construction with telescopic cylinders and support components, the problem of poor use height and stability of existing devices is solved, and high flexibility adjustment and stability improvement are achieved.
Patent Information
- Application Number
- CN202421389924.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The existing drilling and spraying devices for high-pressure rotary spray pile construction are not easy to adjust the height, and have poor stability and are not easy to fix.
A drilling spray device including a fixing assembly and a support assembly is designed. The fixing assembly adjusts the use height of the sprayer through a telescopic cylinder, the support assembly is connected to the telescopic cylinder through a No. 2 connection block, the support plate and the limit frame are fixed to the spray pipe, and the connecting screw is connected to the spray pipe.
It realizes flexible adjustment of the use height of the sprayer, and improves the stability and flexibility of the device.
Smart Images

Figure CN222648789U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of high-pressure rotary jet pile construction, in particular to a drilling and grouting device for high-pressure rotary jet pile construction. Background Art
[0002] High-pressure rotary jet piles use a high-pressure rotating nozzle to spray cement slurry into the soil layer and mix it with the soil to form a continuous overlapping cement reinforcement body. There are at least the following disadvantages in the use of existing drilling and spraying devices for high-pressure rotary jet pile construction: 1. The existing drilling and spraying devices for high-pressure rotary jet pile construction are not easy to adjust the use height; 2. The existing drilling and spraying devices for high-pressure rotary jet pile construction have poor stability and are not easy to fix. Therefore, we have introduced a new drilling and spraying device for high-pressure rotary jet pile construction. Utility Model Content
[0003] The main purpose of the utility model is to provide a drilling and grouting device for high-pressure rotary jet pile construction, which can effectively solve the problems in the background technology.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0005] A drilling and grouting device for high-pressure rotary jet pile construction, comprising a fixing assembly, wherein the left and right lower ends of the fixing assembly are fixedly connected to telescopic cylinders, the output ends of the two telescopic cylinders are commonly fixedly connected to a supporting assembly, the upper end of the supporting assembly is fixedly connected to a grouting machine, the upper and lower outer surfaces of the grouting machine are both fixedly connected to grouting pipes, and the opposite ends of the two grouting pipes are fixedly connected to connectors;
[0006] The fixing assembly includes a fixing ring, an inner ring wall of the fixing ring is installed with an anti-slip layer, the left and right outer surface parts of the fixing ring are fixedly connected with cross plates, the opposite ends of the two cross plates are fixedly connected with No. 1 connecting blocks, and the two No. 1 connecting blocks are respectively fixedly connected to the two telescopic cylinders.
[0007] Preferably, the support assembly includes a support ring, the left and right outer surfaces of the support ring are fixedly connected with support blocks, the opposite ends of the two support blocks are fixedly connected with a No. 2 connecting block, the front surface of the support ring is fixedly connected with a support plate, and the support ring is fixedly connected to the shotcrete machine.
[0008] By adopting the above technical solution: the shotcrete machine is supported by the support assembly, and the two No. 2 connecting blocks can facilitate the connection between the support assembly and the two telescopic cylinders.
[0009] Preferably, the support plate comprises a plate body, a support plate is fixedly connected to the front end of the plate body, a connecting screw is inserted through the front end of the support plate, a limit position frame is fixedly connected to the lower end of the support plate, and the plate body is fixedly connected to the support ring.
[0010] By adopting the above technical solution: the spraying machine is supported and positioned by the plate body, and the lower spraying pipe is supported by the limit frame.
[0011] Preferably, the spraying pipe at the lower portion is interlacedly connected with the limiting frame.
[0012] By adopting the above technical solution: the lower spraying pipe is limited by a limiting frame.
[0013] Preferably, the connecting screw passes through the support plate and the limit frame to contact the lower spraying pipe.
[0014] By adopting the above technical solution: the lower spraying pipe is fixed by connecting the screw rod.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] 1. By setting a support assembly, the two No. 2 connection blocks are fixedly connected to the two telescopic cylinders respectively, and the support assembly is pushed synchronously by the two telescopic cylinders, so that the use height of the support assembly can be adjusted, and the use height of the shotcrete machine installed on the support assembly can be adjusted to improve flexibility;
[0017] 2. The entire drilling and spraying device is supported and fixed by setting a fixing component, the fixing ring on the fixing component is connected to the drilling rig, and the fixing component is fixed by screws passing through the fixing ring to contact the drilling rig to improve stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the overall structure of a drilling and grouting device for high-pressure jet grouting pile construction according to the utility model;
[0019] Figure 2 This is a schematic diagram of the overall structure of a fixing assembly of a drilling and grouting device for high-pressure jet grouting pile construction according to the utility model;
[0020] Figure 3 This is a schematic diagram of the overall structure of a support assembly of a drilling and grouting device for high-pressure jet pile construction according to the utility model;
[0021] Figure 4 The utility model is a schematic diagram of the overall structure of a support plate of a drilling and spraying device for high-pressure rotary jet pile construction.
[0022] In the figure: 1. fixing assembly; 2. telescopic cylinder; 3. supporting assembly; 4. spraying machine; 5. spraying pipe; 6. connecting head; 11. fixing ring; 12. anti-slip layer; 13. cross plate; 14. connecting block No. 1; 31. supporting ring; 32. supporting block; 33. connecting block No. 2; 34. supporting plate; 341. plate body; 342. supporting plate; 343. connecting screw; 344. limiting frame. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0024] See also Figure 1-4 , the utility model provides a technical solution:
[0025] A drilling and grouting device for high-pressure rotary jet pile construction, comprising a fixing assembly 1, wherein the left and right lower ends of the fixing assembly 1 are fixedly connected to telescopic cylinders 2, the output ends of the two telescopic cylinders 2 are fixedly connected to a supporting assembly 3, the upper end of the supporting assembly 3 is fixedly connected to a grouting machine 4, the upper and lower outer surfaces of the grouting machine 4 are penetrated and fixedly connected to grouting pipes 5, and the opposite ends of the two grouting pipes 5 are penetrated and fixedly connected to connectors 6;
[0026] In this embodiment, the fixing assembly 1 includes a fixing ring 11, an inner ring wall of the fixing ring 11 is installed with an anti-slip layer 12, a horizontal plate 13 is fixedly connected to the left and right parts of the outer surface of the fixing ring 11, and the two ends of the two horizontal plates 13 facing each other are fixedly connected to a No. 1 connecting block 14, and the two No. 1 connecting blocks 14 are respectively fixedly connected to the two telescopic cylinders 2.
[0027] Through the above scheme: the entire drilling and spraying device is supported and fixed by setting a fixing component 1, the fixing ring 11 on the fixing component 1 is sleeved with the drilling rig, and the fixing component 1 is fixed by screws passing through the fixing ring 11 to contact the drilling rig, and the contact between the fixing component 1 and the drilling rig is protected against slipping by the anti-slip layer 12 to improve stability.
[0028] In this embodiment, the support assembly 3 includes a support ring 31, and the left and right parts of the outer surface of the support ring 31 are fixedly connected with support blocks 32, and the opposite ends of the two support blocks 32 are fixedly connected with No. 2 connecting blocks 33, and the front of the outer surface of the support ring 31 is fixedly connected with a support plate 34, and the support ring 31 is fixedly connected to the spraying machine 4; the support plate 34 includes a plate body 341, and the front end of the plate body 341 is fixedly connected with a support plate 342, and the front end of the support plate 342 is inserted and connected with a connecting screw 343, and the lower end of the support plate 342 is fixedly connected to a limiting frame 344, and the plate body 341 is fixedly connected to the support ring 31; the lower spraying pipe 5 is inserted and connected with the limiting frame 344; the connecting screw 343 passes through the support plate 342 and the limiting frame 344 and contacts with the lower spraying pipe 5.
[0029] Through the above scheme: the support assembly 3 is provided to support the shotcrete machine 4, and the two No. 2 connecting blocks 33 are respectively fixedly connected to the two telescopic cylinders 2 to connect the two telescopic cylinders 2 and the support assembly 3 together. The support assembly 3 is pushed synchronously by the two telescopic cylinders 2, so that the use height of the support assembly 3 can be adjusted to adjust the use height of the shotcrete machine 4 installed on the support assembly 3, thereby improving flexibility. The lower shotcrete pipe 5 is connected with the limit frame 344 through an interlaced connection and fixed by the connecting screw 343, so that the shotcrete pipe 5 can be fixed to improve stability.
[0030] It should be noted that the utility model is a drilling and grouting device for high-pressure rotary jet pile construction. During use, the fixing ring 11 on the fixing component 1 is sleeved with the drilling rig and fixed by screws to fix the entire drilling and grouting device on the drilling rig to improve stability. The two telescopic cylinders 2 are respectively fixedly connected to the two No. 1 connecting blocks 14, and the output ends of the two telescopic cylinders 2 are respectively fixedly connected to the two No. 2 connecting blocks 33. The lower grouting pipe 5 is inserted and connected with the limit frame 344 and fixed by connecting the screw 343 to fix the lower grouting pipe 5 to improve stability. The use height of the support component 3 can be adjusted by the two telescopic cylinders 2 to adjust the use height of the grouting machine 4 fixedly connected to the support plate 34 to improve flexibility.
[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A drilling and grouting device for high-pressure jet grouting pile construction, comprising a fixing assembly (1), characterized in that: The left and right lower ends of the fixed component (1) are both fixedly connected to a telescopic cylinder (2); the output ends of the two telescopic cylinders (2) are commonly fixedly connected to a support component (3); the upper end of the support component (3) is fixedly connected to a shotcrete machine (4); the upper and lower outer surfaces of the shotcrete machine (4) are both penetrated and fixedly connected to a shotcrete pipe (5); and the opposite ends of the two shotcrete pipes (5) are penetrated and fixedly connected to a connector (6); The fixing assembly (1) comprises a fixing ring (11), an inner ring wall of the fixing ring (11) is provided with an anti-slip layer (12), a left portion and a right portion of an outer surface of the fixing ring (11) are fixedly connected to a transverse plate (13), two ends of the two transverse plates (13) facing away from each other are fixedly connected to a No. 1 connecting block (14), and the two No. 1 connecting blocks (14) are respectively fixedly connected to the two telescopic cylinders (2).
2. A drilling and grouting device for high-pressure jet grouting pile construction according to claim 1, characterized in that: The support assembly (3) comprises a support ring (31), the left and right outer surfaces of the support ring (31) are fixedly connected to support blocks (32), the opposite ends of the two support blocks (32) are fixedly connected to a No. 2 connection block (33), the front outer surface of the support ring (31) is fixedly connected to a support plate (34), and the support ring (31) is fixedly connected to the shotcrete machine (4).
3. A drilling and grouting device for high-pressure jet grouting pile construction according to claim 2, characterized in that: The support plate (34) comprises a plate body (341), the front end of the plate body (341) is fixedly connected to a support plate (342), the front end of the support plate (342) is penetrated and connected to a connecting screw (343), the lower end of the support plate (342) is fixedly connected to a limiting frame (344), and the plate body (341) is fixedly connected to the support ring (31).
4. A drilling and grouting device for high-pressure jet grouting pile construction according to claim 1, characterized in that: The spraying pipe (5) at the lower part is interlacedly connected with the limiting frame (344).
5. A drilling and grouting device for high-pressure jet grouting pile construction according to claim 3, characterized in that: The connecting screw (343) passes through the support plate (342) and the limiting frame (344) and contacts the lower spraying pipe (5).