Deep foundation pit grouting device
By using technical means such as servo motors, screws and hydraulic cylinders in deep foundation pit grouting devices, the problem of slurry tank caused by low stability of the wire rope is solved, and the safety and practicality of the device are improved.
Patent Information
- Application Number
- CN202420447964.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-08
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-03-08
AI Technical Summary
In the existing deep foundation pit grouting device, the steel wire rope has low stability, which causes the slurry tank to easily shake during lateral movement, which poses safety hazards.
The transverse adjustment plate is adjusted by a first servo motor, a screw and a fixing rod, and the connecting pipe is adjusted vertically through a hydraulic cylinder, a telescopic tube and a vertical adjustment plate to improve the stability of the device.
The safety and stability of the device are improved, the risk of slurry tank is avoided, and the combination of hydraulic cylinder and telescopic tube is facilitated to grout the grouting holes at different locations, improving practicality.
Smart Images

Figure CN222456092U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of deep foundation pit grouting, in particular to a deep foundation pit grouting device. Background Art
[0002] A deep foundation pit is an excavated pit with a depth of more than five meters. Deep foundation pits use methods such as inner wall support and shotcrete wall protection. Large foundation pits even use underground continuous walls and column-type bored pile interlocking methods to prevent the outer soil layer from collapsing. Grouting is required during the construction of deep foundation pits.
[0003] The Chinese utility model patent with publication number CN218027688U proposes a deep foundation pit grouting device, including a bracket, which is used to be erected on the ground, and also includes a slurry pot, a material guide pot and a grouting pipe, the grouting pipe is connected to the top wall of the slurry pot, the material guide pot is connected to the bottom wall of the slurry pot, the bracket is provided with a connecting column, the slurry pot is connected to the connecting column by a steel wire rope, the connecting column is provided with a driving component for driving the slurry pot to slide laterally, the bracket is provided with a sliding component for driving the connecting column to slide longitudinally, the connecting column is provided with a lifting component for lifting the slurry pot, and the side wall of the material guide pot is provided with a tamping component.
[0004] This technical solution reels and releases the wire rope through a third motor, a reel and other reeling mechanisms, thereby adjusting the lifting and lowering of the slurry pot and the grouting pipe. However, the stability of the wire rope is low. During the lateral movement of the slurry pot, the slurry pot at the bottom of the wire rope is prone to shaking, causing safety accidents.
[0005] To this end, the utility model provides a deep foundation pit grouting device. Utility Model Content
[0006] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a deep foundation pit grouting device to solve the problems raised in the above-mentioned background technology. The utility model adjusts the horizontal adjustment plate through a first servo motor, a screw rod and a fixed rod, and vertically adjusts the connecting pipe through a hydraulic cylinder, a telescopic tube and a vertical adjustment plate. It has high stability and will not shake, thereby improving the safety of the device.
[0007] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a deep foundation pit grouting device, including a chassis, a rotating disk is arranged on the inner side of the chassis through a driving mechanism, a grouting mechanism is arranged on the inner side of the rotating disk through an adjusting mechanism, the grouting mechanism includes a transverse adjustment plate, a fixed pipe is fixedly installed on one side of the transverse adjustment plate, a telescopic pipe is fixedly installed on the bottom of the fixed pipe, a vertical adjustment plate is fixedly installed on the bottom of the telescopic pipe, a connecting pipe is screwed and installed on the bottom of the vertical adjustment plate corresponding to the bottom end of the telescopic pipe, and an internal thread is opened at the bottom end of the connecting pipe.
[0008] Furthermore, the adjustment mechanism includes a screw rod, the screw rod is arranged on the inner side of the rotating disk for transverse rotation, and the transverse adjustment plate is screwed on the screw rod through a screw hole.
[0009] Furthermore, a fixing rod is fixedly arranged on the inner side of the rotating disk below the screw rod, and the transverse adjustment plate is mounted on the fixing rod by sliding.
[0010] Furthermore, a hydraulic cylinder is fixedly arranged on one side of the telescopic tube corresponding to the bottom of the transverse adjustment plate, and a piston rod of the hydraulic cylinder is fixedly connected to the vertical adjustment plate.
[0011] Furthermore, a mounting groove is provided inside one end of the rotating disk, a first servo motor is fixedly provided inside the mounting groove, and an output shaft of the first servo motor is fixedly connected to one end of the screw rod.
[0012] Furthermore, an annular convex strip is fixedly provided at the bottom of the outer end of the rotating disk, an annular groove is provided at the top of the chassis corresponding to the position of the annular convex strip, and the annular convex strip is movably installed inside the annular groove.
[0013] Furthermore, the driving mechanism includes a second servo motor, which is symmetrically fixed on both sides of the bottom of the chassis, a gear is fixedly installed on the output shaft of the second servo motor, a gear ring is fixedly installed on the outer wall of the bottom end of the rotating disk, and the gear and the gear ring are meshed with each other.
[0014] Furthermore, brackets are fixedly provided on four sides of the bottom of the chassis, the bracket is in a "T" shape, and a mounting hole is provided on one side of the bottom end of the bracket.
[0015] The beneficial effects of the utility model: the utility model is a deep foundation pit grouting device that adjusts the horizontal adjustment plate through the first servo motor, the screw rod and the fixed rod, and vertically adjusts the connecting pipe through the hydraulic cylinder, the telescopic tube and the vertical adjustment plate. The device has high stability and will not shake, thereby improving the safety of the device. It can thread and assemble multiple connecting pipes according to the depth of the deep foundation pit, adjust the length of the connecting pipe, and fine-tune the connecting pipe through the hydraulic cylinder and the telescopic tube. Through cooperation with the driving mechanism, it is convenient to grout grouting holes in different positions, and the device is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a structural diagram of a deep foundation pit grouting device of the utility model;
[0017] Figure 2 This is a front cross-sectional view of a deep foundation pit grouting device of the utility model;
[0018] Figure 3This is a structural diagram of a grouting mechanism of a deep foundation pit grouting device of the utility model;
[0019] Figure 4 This is a cross-sectional view of a connecting pipe of a deep foundation pit grouting device of the utility model;
[0020] In the figure: 1. chassis; 2. rotating disk; 3. grouting mechanism; 4. bracket; 5. first servo motor; 6. screw rod; 7. fixing rod; 8. lateral adjustment plate; 9. telescopic tube; 10. vertical adjustment plate; 11. connecting tube; 12. hydraulic cylinder; 13. second servo motor; 14. gear; 15. gear ring; 16. fixing tube. DETAILED DESCRIPTION
[0021] 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.
[0022] See also Figures 1 to 4 The utility model provides a technical solution: a deep foundation pit grouting device, comprising a chassis 1, a rotating disk 2 is arranged on the inner side of the chassis 1 through a driving mechanism, a grouting mechanism 3 is arranged on the inner side of the rotating disk 2 through an adjusting mechanism, the grouting mechanism 3 comprises a transverse adjustment plate 8, a fixed pipe 16 is fixedly installed on one side of the transverse adjustment plate 8, a telescopic pipe 9 is fixedly arranged on the bottom of the fixed pipe 16, a vertical adjustment plate 10 is fixedly arranged on the bottom of the telescopic pipe 9, a connecting pipe 11 is screwed and installed at the bottom of the vertical adjustment plate 10 corresponding to the bottom end of the telescopic pipe 9, an internal thread is provided at the bottom end of the connecting pipe 11, and a corresponding number of connecting pipes 11 can be selected according to the depth of the deep foundation pit, and the connecting pipes 11 can be spliced through the internal thread, so as to facilitate grouting at positions of different depths.
[0023] In this embodiment, the adjusting mechanism includes a screw rod 6, which is arranged on the inner side of the rotating disk 2 for transverse rotation. The transverse adjustment plate 8 is screwed on the screw rod 6 through a screw hole. A fixing rod 7 is fixedly arranged on the inner side of the rotating disk 2 below the screw rod 6. The transverse adjustment plate 8 is mounted on the fixing rod 7 by sliding. A hydraulic cylinder 12 is fixedly arranged on one side of the telescopic tube 9 at the bottom of the transverse adjustment plate 8. The piston rod of the hydraulic cylinder 12 is fixedly connected to the vertical adjustment plate 10. A mounting groove is provided inside one end of the rotating disk 2. A first servo motor 5 is fixedly arranged inside the mounting groove. The output shaft of the first servo motor 5 is fixedly connected to one end of the screw rod 6. The screw rod 6 is driven by the first servo motor 5 to perform transverse adjustment on the transverse adjustment plate 8. The stability of the transverse adjustment plate 8 is improved by the fixing rod 7. The vertical adjustment plate 10 can be driven to rise and fall by the hydraulic cylinder 12, which is convenient for fine-tuning the height of the connecting pipe 11 and aligning the bottom end of the connecting pipe 11 with the grouting hole, so as to facilitate subsequent grouting.
[0024] In this embodiment, an annular convex strip is fixedly provided at the bottom of the outer end of the rotating disk 2, and an annular groove is opened at the top of the chassis 1 at the position of the annular convex strip, and the annular convex strip is movably installed inside the annular groove. The driving mechanism includes a second servo motor 13, and the second servo motor 13 is symmetrically fixed on both sides of the bottom of the chassis 1. A gear 14 is fixedly installed on the output shaft of the second servo motor 13, and a gear ring 15 is fixedly provided on the outer wall of the bottom end of the rotating disk 2. The gear 14 and the gear ring 15 are meshed with each other. The gear 14 is driven by the second servo motor 13, and the rotating disk 2 can be rotated and adjusted through the meshing action of the gear 14 and the gear ring 15, so that the grouting mechanism 3 can be moved to any position inside the deep foundation pit, so as to facilitate the grouting operation at any position inside the deep foundation pit.
[0025] In this embodiment, brackets 4 are fixedly provided on the four sides of the bottom of the chassis 1. The shape of the bracket 4 is "T"-shaped, and a mounting hole is opened on one side of the bottom end of the bracket 4. The device can be fixed through the bracket 4 and the mounting hole, which facilitates improving the stability of the device.
[0026] When using the deep foundation pit grouting device, the device is placed on the top of the deep foundation pit through the bracket 4, and bolts are fixed inside the mounting hole. The device can be fixed through the bracket 4. A corresponding number of connecting pipes 11 are selected according to needs, and the connecting pipes 11 are screwed together in sequence. Finally, the spliced connecting pipes 11 are screwed and installed at the bottom of the vertical adjustment plate 10. The top of the fixed pipe 16 is fixedly connected to the discharge pipe of the grouting equipment. According to the position of the grouting hole, the first servo motor 5 is started. The first servo motor 5 drives the lateral adjustment plate 8 to move horizontally through the screw rod 6. The stability of the lateral adjustment plate 8 is improved by the fixing rod 7. The lateral adjustment plate 8 drives the vertical adjustment plate 10 through the hydraulic cylinder 12 and the telescopic tube 9, and the vertical adjustment plate 10 drives the connecting pipe 11 to move inside the deep foundation pit, and at the same time starts the second servo motor 13, and the second servo motor 13 drives the gear ring 15 through the gear 14, and the gear ring 15 drives the rotating disk 2 to rotate, and the stability of the rotating disk 2 is improved by the annular convex strips and the annular grooves. The rotating disk 2 drives the grouting mechanism 3 to rotate through the screw 6 and the fixed rod 7. The device has high stability and will not shake, thereby improving the safety of the device; the height of the connecting pipe 11 is fine-tuned through the hydraulic cylinder 12 and the telescopic tube 9, so that grouting of grouting holes at different positions is convenient, and the practicability is high.
[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A deep foundation pit grouting device, comprising a chassis (1), characterized in that: A rotating disk (2) is arranged on the inner side of the chassis (1) via a driving mechanism, and a grouting mechanism (3) is arranged on the inner side of the rotating disk (2) via an adjusting mechanism. The grouting mechanism (3) comprises a transverse adjusting plate (8), a fixed pipe (16) is fixedly installed on one side of the transverse adjusting plate (8), a telescopic pipe (9) is fixedly installed on the bottom of the fixed pipe (16), a vertical adjusting plate (10) is fixedly installed on the bottom of the telescopic pipe (9), a connecting pipe (11) is screwedly installed on the bottom of the vertical adjusting plate (10) corresponding to the bottom end of the telescopic pipe (9), and an internal thread is provided on the bottom end of the connecting pipe (11).
2. A deep foundation pit grouting device according to claim 1, characterized in that: The adjustment mechanism comprises a screw rod (6), the screw rod (6) is arranged on the inner side of the rotating disk (2) for transverse rotation, and the transverse adjustment plate (8) is screwed on the screw rod (6) through a screw hole.
3. A deep foundation pit grouting device according to claim 2, characterized in that: A fixing rod (7) is fixedly arranged on the inner side of the rotating disk (2) below the screw rod (6), and the transverse adjustment plate (8) is slidably mounted on the fixing rod (7).
4. A deep foundation pit grouting device according to claim 3, characterized in that: A hydraulic cylinder (12) is fixedly arranged on one side of the bottom of the transverse adjustment plate (8) corresponding to the telescopic tube (9), and a piston rod of the hydraulic cylinder (12) is fixedly connected to the vertical adjustment plate (10).
5. A deep foundation pit grouting device according to claim 1, characterized in that: A mounting groove is provided inside one end of the rotating disk (2), a first servo motor (5) is fixedly arranged inside the mounting groove, and an output shaft of the first servo motor (5) is fixedly connected to one end of a screw rod (6).
6. A deep foundation pit grouting device according to claim 1, characterized in that: An annular convex strip is fixedly provided at the bottom of the outer end of the rotating disk (2), an annular groove is provided at the top of the bottom plate (1) at a position corresponding to the annular convex strip, and the annular convex strip is movably installed inside the annular groove.
7. A deep foundation pit grouting device according to claim 1, characterized in that: The driving mechanism comprises a second servo motor (13), the second servo motor (13) being symmetrically fixedly arranged on both sides of the bottom of the chassis (1), a gear (14) being fixedly mounted on the output shaft of the second servo motor (13), a gear ring (15) being fixedly arranged on the outer wall of the bottom end of the rotating disk (2), and the gear (14) and the gear ring (15) being arranged to mesh with each other.
8. A deep foundation pit grouting device according to claim 1, characterized in that: Brackets (4) are fixedly arranged on four sides of the bottom of the chassis (1); the shape of the bracket (4) is "T"-shaped, and a mounting hole is provided on one side of the bottom end of the bracket (4).
Citation Information
Patent Citations
Deep foundation pit grouting device
CN218027688U