CN210917315U - Drilling and grouting device - Google Patents

Abstract

The utility model belongs to the field of engineering machinery, a drilling grouting device is disclosed, including thick liquid pond and grouting pump, the import and the thick liquid pond pipe connection of grouting pump, the exit linkage of grouting pump has grouting mechanism, grouting mechanism includes drum, motor and connection pad, the coaxial rigid coupling of front end of connection pad and drum, the coaxial pivot that is provided with in the drum, the circumference of pivot is provided with the spiral leaf that is spiral structure, the front end of pivot passes the connection pad and is coaxial with the output shaft of motor, the connection pad is provided with the pipeline interface that communicates with the inner chamber of drum, the export and the pipeline interface pipe connection of grouting pump; the cylinder below is provided with the tripod, and the top of tripod is provided with the cloud dish, and the cloud dish is provided with angle adjustment mechanism, and angle adjustment mechanism is used for controlling the cylinder at vertical plane and horizontal plane's rotation and fixed, and the through-hole has been seted up to the rear end of cylinder. The device improves the fluidity of slurry, does not need handheld grouting, reduces the labor and improves the efficiency.

Description

Drilling and grouting device

Technical Field

The utility model relates to an engineering machine tool field specifically is a drilling grouting device.

Background

At present, the main method for reinforcing rock mass is drilling and grouting reinforcement, and some solidified materials, such as cement, lime or other chemical materials, are poured into the rock mass through drilling to fill cracks and pores in the rock mass, so that the loose and broken rock mass is cemented into a whole, the internal friction strength, the cohesion and the elastic modulus of the loose rock mass are improved, the physical and mechanical properties of the rock mass are changed, the bearing capacity of the rock mass is improved, and the requirements on a supporting system are reduced.

The water-cement ratio of the poured cement slurry is mostly 5:1, 3:1, 2:1 and 1:1, the water content of the cement slurry is too high, the water precipitation rate is relatively high, water and cement solid phase separation is easily caused, when water is used up, the space occupied by raw water forms a cavity, and particularly in the pouring of large-gap space, due to the fact that the water precipitation rate is too high, cement particles are condensed on the bottom layer of a crack, the cavity is left, and the grouting reinforcement effect is reduced. Meanwhile, the controllability of the slurry is poor, the setting time is long, and the slurry is easy to flow back. However, if slurry with a relatively small water-cement ratio is adopted, the water content is low, and the slurry has a reinforcing effect, but the slurry is difficult to fill into rock mass gaps due to poor self-fluidity and large grouting pressure loss, so that the grouting reinforcing effect is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a drilling grouting device solves current cementer and uses inconveniently, and the thick paste pours the problem of the in-process mobility poor and slip casting loss of pressure into a mould.

The utility model provides a basic scheme is: the utility model provides a drilling slip casting device, includes thick liquid pond and grouting pump, the import and the thick liquid pond pipe connection of grouting pump, its characterized in that: the outlet of the grouting pump is connected with a grouting mechanism, the grouting mechanism comprises a cylinder, a motor and a connecting disc, the connecting disc is coaxially and fixedly connected with the end part of the cylinder, a rotating shaft is coaxially arranged in the cylinder, a spiral blade in a spiral structure is arranged on the circumferential direction of the rotating shaft, the end part of the rotating shaft, which is close to the connecting disc, sequentially penetrates through the side wall of the cylinder and the connecting disc and is coaxially connected with an output shaft of the motor, the rotating shaft can be driven by the motor to rotate, a pipeline interface communicated with the inner cavity of the cylinder is arranged on the connecting disc, and the outlet of the grouting pump is connected with a pipeline; the improved multifunctional drum is characterized in that a tripod is arranged below the drum, a cloud disk is arranged at the top of the tripod, an angle adjusting mechanism is arranged between the cloud disk and the drum and used for controlling the drum to rotate and fix on a vertical plane and a horizontal plane, and a plurality of through holes are formed in the end part, far away from the connecting disk, of the drum.

The working principle of the basic scheme is as follows: the staff is according to the height adjustment tripod of drilling to according to the angle of drilling, the angle through angle guiding mechanism adjustment drum makes it match with the drilling, insert the drum in the drilling, open grouting pump and motor, grouting pump inputs the slurry pressurization in thick liquid pond into the drum, the motor drives the pivot and rotates, and epaxial vane rotates to slurry secondary pressurization and mix, then from the through-hole of disc spout in the crack and the clearance of rock mass, take out and wash this device after the slip casting is accomplished at last.

The basic scheme has the beneficial effects that: 1. the device can carry out secondary pressurization and mixing during grouting, overcomes the defect of poor self-flow of the cement thick slurry, and is suitable for pouring the thick cement slurry with various water-cement ratios; meanwhile, the filling speed can be effectively controlled by changing the power of the motor and the grouting pump according to the water-cement ratio of the thick slurry and the specific size of the crack. 2. This device need not the handheld operation of staff, through tripod and angle adjustment mechanism, can make this device aim at drilling and accomplish the slip casting, has reduced the manual work, stability when having improved efficiency and slip casting.

Further, the angle adjusting mechanism comprises a bearing and a connecting shaft, the bearing is coaxially and fixedly connected with the cloud disk, the connecting shaft is coaxially and fixedly connected with an inner ring of the bearing, a U-shaped frame is arranged at the upper end of the connecting shaft, two ends of the U-shaped frame are rotatably connected with fixed shafts, opposite end parts of the two fixed shafts are fixedly connected with the periphery of the cylinder, threads are arranged on the periphery of the fixed shafts, and opposite end parts of the two fixed shafts penetrate through the end part of the U-shaped frame on one side and are sleeved with nuts; and a rotation limiting mechanism for limiting the rotation of the connecting shaft is arranged on the cloud disk.

Through the arrangement, the adjusting cylinder can rotate along a vertical plane conveniently, and the adjusting cylinder is simple in structure and easy to maintain.

Further, rotation limiting mechanism includes the gear and follows the radial spout that sets up of cloud dish, the coaxial rigid coupling of gear is on the connecting axle between bearing and U-shaped frame, be provided with the slider in the spout, be provided with the spring between the tip that the connecting axle was kept away from to the slider and the lateral wall of spout, the upper surface rigid coupling of slider has the montant, the upper end rigid coupling of montant has the horizontal pole, and the free end rigid coupling of horizontal pole has the arc to press from both sides, the concave side and the gear toothing that the arc pressed from both sides.

Through the arrangement, the adjusting cylinder can rotate along the horizontal plane conveniently, and the adjusting cylinder is simple in structure and firm in fixation.

Furthermore, the cross section of the located sliding groove is trapezoidal, and the sliding block is matched with the sliding groove in shape.

Through the arrangement, the sliding block and the sliding groove are prevented from falling off in the operation process, so that the device can continuously work.

Furthermore, the connection pad is provided with the centre bore with the pivot rotation junction, and the one side shaping that the centre bore is close to the motor has annular seal groove, be provided with the sealing washer in the seal groove.

Through the arrangement, the sealing performance of the rotary joint of the connecting disc and the rotating shaft is improved.

Furthermore, the gap between the end part of the rotary vane far away from the rotating shaft and the inner wall of the cylinder is 6-10 mm.

With the arrangement, the slurry can pass through the cylinder well.

Drawings

Fig. 1 is a front view of a drilling and grouting apparatus of the present invention;

fig. 2 is a right side view of the utility model discloses a drilling grouting device.

Detailed Description

The following is further detailed by the specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a cylinder 1, a motor 2, a connecting disc 3, a rotating shaft 4, a rotary vane 5, a sealing ring 6, a pipeline interface 7, a through hole 8, a tripod 9, a cloud disk 10, a bearing 11, a connecting shaft 12, a U-shaped frame 13, a fixed shaft 14, a nut 15, a sliding block 16, a vertical rod 17, a cross rod 18, an arc-shaped clamp 19, a spring 20 and a gear 21.

Embodiment for example as shown in fig. 1 and fig. 2, a drilling grouting device comprises a slurry pool and a grouting pump, an inlet of the grouting pump is connected with a slurry pool pipeline, an outlet of the grouting pump is connected with a grouting mechanism, the grouting mechanism comprises a cylinder 1, a motor 2 and a connecting disc 3, the connecting disc 3 is coaxially fixedly connected with the front end of the cylinder 1, a rotating shaft 4 is coaxially arranged in the cylinder 1, a rotary vane 5 in a spiral structure is arranged in the circumferential direction of the rotating shaft 4, a gap between the end part of the rotary vane 5 far away from the rotating shaft 4 and the inner wall of the cylinder 1 is 8mm, the front end of the rotating shaft 4 sequentially penetrates through the side wall of the cylinder 1 and the connecting disc 3 and is coaxially connected with an output shaft of the motor 2, the rotating shaft 4 can be driven to rotate by the motor 2, a central shaft hole is formed at the rotary connection part of the connecting disc 3 and the rotating shaft 4, an annular sealing groove is arranged at the front end of the, the outlet of the grouting pump is connected with a pipeline connector 7 through a pipeline, and six through holes 8 are distributed on the periphery of the rear end of the cylinder 1 in an array manner.

The lower part of drum 1 is provided with tripod 9, the top of tripod 9 is provided with cloud dish 10, be provided with angle adjustment mechanism between cloud dish 10 and the drum 1, angle adjustment mechanism includes bearing 11 and connecting axle 12, bearing 11 and the coaxial rigid coupling of cloud dish 10, the coaxial rigid coupling of the lower extreme of connecting axle 12 and the inner circle of bearing 11, and the lower extreme of connecting axle 12 leaves the clearance with the upper surface of cloud dish 10, the upper end rigid coupling of connecting axle 12 has UU shape frame 13, the both ends of UU shape frame 13 all rotate and are connected with fixed axle 14, the relative tip of two fixed axles 14 and the outer peripheral face rigid coupling of drum 1, the periphery of fixed axle 14 is provided with the screw thread, the tip that two fixed axles 14 are opposite all passes the tip of the UU shape frame 13 of place one side and overlaps and.

The cloud disc 10 is further provided with a rotation limiting mechanism, the rotation limiting mechanism comprises a gear 21 and a sliding groove arranged along the radial direction of the cloud disc 10, the gear 21 is coaxially and fixedly connected to a connecting shaft 12 between the bearing 11 and the UU-shaped frame 13, a sliding block 16 is connected in the sliding groove in a sliding mode, the cross section of the sliding groove is trapezoidal, the sliding block 16 is matched with the sliding groove in shape, a spring 20 is arranged between the right end of the sliding block 16 and the right side wall of the sliding groove, a vertical rod 17 is fixedly connected to the upper surface of the sliding block 16, a cross rod 18 is fixedly connected to the upper end of the vertical rod 17, an arc-shaped clamp 19 is fixedly connected to the left end of the cross rod 18, when the sliding block 16 is located at the leftmost end of the.

During specific work, a worker adjusts the tripod 9 according to the height of a drilled hole, loosens the nut 15 according to the angle of the drilled hole, rotates the cylinder 1 up and down, pulls the vertical rod 17 back, separates the arc clamp 19 from the gear 21, rotates the cylinder 1 left and right, adjusts to a proper angle, screws the nut 15 and releases the vertical rod 17, the arc clamp 19 is meshed with the gear 21 again under the restoring force of the spring 20, fixes the cylinder 1, inserts the rear end of the cylinder 1 into the drilled hole, then opens the grouting pump and the motor 2, the grouting pump pressurizes and inputs slurry in the slurry pool into the cylinder 1, the motor 2 drives the rotating shaft 4 to rotate, the rotary vane 5 on the rotating shaft 4 pressurizes and mixes the slurry for the second time, then the slurry is sprayed into cracks and gaps of a rock body from the through hole 8 at the rear end of the cylinder 1, and finally the device is drawn out and cleaned after grouting is.

The above embodiments of the present invention are only examples, and the common knowledge of the known specific structures and characteristics in the schemes is not described too much, it should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, and these should be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (6)

1. The utility model provides a drilling slip casting device, includes thick liquid pond and grouting pump, the import and the thick liquid pond pipe connection of grouting pump, its characterized in that: the outlet of the grouting pump is connected with a grouting mechanism, the grouting mechanism comprises a cylinder (1), a motor (2) and a connecting disc (3), the connecting disc (3) is coaxially and fixedly connected with the end part of the cylinder (1), a rotating shaft (4) is coaxially arranged in the cylinder (1), a rotating vane (5) in a spiral structure is arranged in the circumferential direction of the rotating shaft (4), the end part, close to the connecting disc (3), of the rotating shaft (4) sequentially penetrates through the side wall of the cylinder (1) and the connecting disc (3) and is coaxially connected with an output shaft of the motor (2), the rotating shaft (4) can be driven by the motor (2) to rotate, a pipeline interface (7) communicated with the inner cavity of the cylinder (1) is arranged on the connecting disc (3), and the outlet of the grouting pump is connected with the pipeline interface (7);

the improved multifunctional drum is characterized in that a tripod (9) is arranged below the drum (1), a cloud disk (10) is arranged at the top of the tripod (9), an angle adjusting mechanism is arranged between the cloud disk (10) and the drum (1), the angle adjusting mechanism is used for controlling the drum (1) to rotate and fix on a vertical plane and a horizontal plane, and a plurality of through holes (8) are formed in the end part, far away from the connecting disk (3), of the drum (1).

2. A borehole grouting arrangement according to claim 1, characterised in that: the angle adjusting mechanism comprises a bearing (11) and a connecting shaft (12), the bearing (11) is fixedly connected with the cloud disc (10) in a coaxial mode, the connecting shaft (12) is fixedly connected with the inner ring of the bearing (11) in a coaxial mode, a UU-shaped frame (13) is arranged at the upper end of the connecting shaft (12), fixed shafts (14) are rotatably connected to two ends of the UU-shaped frame (13) respectively, the opposite end portions of the two fixed shafts (14) are fixedly connected with the periphery of the cylinder (1), threads are arranged on the periphery of the fixed shafts (14), and the opposite end portions of the two fixed shafts (14) penetrate through the end portion of the UU-shaped frame (13) on one side and are sleeved with nuts (15);

the cloud disk (10) is provided with a rotation limiting mechanism for limiting the rotation of the connecting shaft (12).

3. A borehole grouting arrangement according to claim 2, characterised in that: rotation limiting mechanism includes gear (21) and follows the radial spout that sets up of cloud dish (10), the coaxial rigid coupling of gear (21) is on connecting axle (12) between bearing (11) and UU shape frame (13), be provided with slider (16) in the spout, be provided with spring (20) between the lateral wall of the tip of connecting axle (12) and spout are kept away from in slider (16), the upper surface rigid coupling of slider (16) has montant (17), the upper end rigid coupling of montant (17) has horizontal pole (18), and the free end rigid coupling of horizontal pole (18) has arc-shaped clamp (19), the concave side and gear (21) the toothing that arc-shaped clamp (19) connect.

4. A borehole grouting arrangement according to claim 3, characterised in that: the cross section of the sliding groove is trapezoidal, and the sliding block (16) is matched with the sliding groove in shape.

5. A borehole grouting arrangement according to claim 1, characterised in that: the connecting disc (3) rotates the junction with pivot (4) and is provided with the centre bore, and the one side shaping that the centre bore is close to motor (2) has annular seal groove, be provided with sealing washer (6) in the seal groove.

6. A borehole grouting arrangement according to claim 1, characterised in that: the gap between the end part of the rotary vane (5) far away from the rotating shaft (4) and the inner wall of the cylinder (1) is 6-10 mm.

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