Dry and wet cement mixing pile construction equipment

Abstract

The utility model relates to dry and wet cement mixing pile construction equipment, which belongs to the technical field of cement mixing pile construction, and comprises a drill rod, a conical drill bit, a cement grout injection pipe, a dry powder cement injection pipe, a communication seat and four drill rod discharge blades, and an anti-blocking structure is arranged outside the drill rod. According to the dry and wet cement mixing pile construction equipment, a mounting rod, a first mounting seat, a connecting rod and a second mounting seat are driven to move downwards under the action of an electric lifting rod, two adjusting rings and a synchronous rod, and meanwhile, the first mounting seat and the second mounting seat drive a sealing seat and a sealing gasket to slide on the outer wall of a drill rod discharging blade and block a reserved blade output port; by means of the structure, mud or foreign matter is effectively prevented from entering the pipe column when equipment is not used, the reliability and safety of construction equipment are improved, the maintenance cost is reduced, and more efficient and stable effects are provided for foundation treatment engineering.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement mixing pile construction technical field, concretely is a dry and wet cement mixing pile construction equipment. BACKGROUND

[0002] The dry and wet cement mixing pile construction equipment is a comprehensive mechanical device for foundation treatment, which combines the construction technology of dry and wet cement mixing piles. The device improves the physical and mechanical properties of the soil by mixing the cementing agent such as cement with soft soil. In dry construction, the device directly injects dry cement powder into soft soil, and the powder is mixed with soil by rotating the stirring wing. In wet construction, the device injects pre-prepared cement slurry into the soil, and the cement slurry is also fully mixed with the soil by the action of the stirring wing. The dry and wet cement mixing pile construction equipment has the characteristics of high flexibility, wide application range, and high construction efficiency, and is suitable for foundation reinforcement engineering under various complex geological conditions. The design of the dry and wet cement mixing pile construction equipment fully considers the construction efficiency and flexibility, which can complete dry and wet construction methods on the same device without replacing the equipment, greatly saving construction time and cost

[0003] At present, the main function of the wet cement mixing pile construction equipment is to inject cement slurry into soft soil and stir to reinforce the foundation. However, during actual construction, there are some problems with the equipment in non-use state, especially when the equipment is idle or transported, the injection hole inside the pipe column is easily affected by the external environment, and mud, dust, moisture and other foreign matters enter the hole, which not only may cause blockage of the internal structure of the equipment, affecting construction efficiency, but also may accelerate wear and tear of the equipment, shortening its service life, therefore a dry and wet cement mixing pile construction equipment is proposed. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a dry and wet cement mixing pile construction equipment, which has the advantages of preventing blade reserved output port from being blocked and improving construction efficiency, and solves the problem that mud, dust, moisture and other foreign matters enter the hole, which not only may cause blockage of the internal structure of the equipment, affecting construction efficiency, but also may accelerate wear and tear of the equipment, shortening its service life.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a dry and wet cement mixing pile construction equipment, comprising a drill rod, a conical drill bit, a cement slurry injection pipe, a dry powder cement injection pipe, a communication seat and four drill rod discharge blades, the outer part of the drill rod is provided with an anti-blocking structure.

[0006] The anti-blocking structure comprises two adjusting rings slidably connected to the outer circumferential wall of the drill rod, two synchronous rods fixedly installed between the two adjusting rings, two mounting rods fixedly installed on the outer circumferential wall of the adjusting ring, a first mounting seat fixedly installed on the side of the mounting rod away from the adjusting ring, a connecting rod fixedly installed on the side of the first mounting seat away from the mounting rod, a second mounting seat fixedly installed on the side of the connecting rod away from the first mounting seat, a sealing seat fixedly installed on the bottom of the first mounting seat and the second mounting seat, a sealing gasket fixedly installed in the sealing seat, and an electric lifting rod fixedly installed on the bottom outer wall of the communication seat.

[0007] Further, the bottom outer wall of the communication seat is fixedly installed with a protective shell, the electric lifting rod is installed in the protective shell, and the telescopic shaft of the electric lifting rod is fixedly installed on the top outer wall of the upper adjusting ring.

[0008] Further, the outer circumferential wall of the drill rod is fixedly installed with a blocking ring, and the diameter of the blocking ring is greater than that of the adjusting ring.

[0009] Further, the front and rear side walls of the drill rod discharge blade are each provided with two blade reserved output ports.

[0010] Further, the sealing seat and the sealing gasket are both in U-shape, the distance between the inner walls of the front and rear sides of the sealing gasket is the same as the distance between the outer walls of the front and rear sides of the drill rod discharge blade, and the sealing seat and the sealing gasket are located directly above the drill rod discharge blade.

[0011] Further, two adjacent sealing gaskets are located directly above four adjacent blade reserved output ports.

[0012] Further, the conical drill bit is fixedly installed at the bottom of the drill rod, the communication seat is fixedly installed at the top of the drill rod, the cement slurry injection pipe and the dry cement injection pipe are both fixedly installed at the top of the communication seat, and the drill rod discharge blade is fixedly installed on the outer circumferential wall of the drill rod.

[0013] Compared with the prior art, the technical scheme has the following beneficial effects:

[0014] The dry and wet cement mixing pile construction equipment drives the mounting rod, the first mounting seat, the connecting rod and the second mounting seat to move downward through the electric lifting rod, the two adjusting rings and the synchronous rod, and at the same time, the first mounting seat and the second mounting seat drive the sealing seat and the sealing gasket to slide on the outer wall of the drill rod discharge blade and block the blade reserved output port, effectively preventing the mud or foreign matter from entering the pipe column in the non-use state of the equipment, improving the reliability and safety of the construction equipment, reducing the maintenance cost, and providing more efficient and stable effect for the foundation treatment engineering. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the utility model;

[0016] Fig. 2 It is a structural schematic view of the sealing seat and the sealing pad of the utility model;

[0017] Fig. 3 It is a structural schematic view of the drill rod discharging blade of the utility model.

[0018] In the drawing:

[0019] 1, drill rod; 2, conical drill bit; 3, cement slurry injection pipe; 4, dry cement injection pipe; 5, drill rod discharging blade; 6, adjusting ring; 7, synchronous rod; 8, mounting rod; 9, first mounting seat; 10, connecting rod; 11, second mounting seat; 12, sealing seat; 13, sealing pad; 14, protective shell; 15, electric lifting rod; 16, blocking ring; 17, communication seat; 18, blade reserved output port. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figs. 1 to 3 The dry and wet cement mixing pile construction equipment in the embodiment comprises a drill rod 1, a conical drill bit 2, a cement slurry injection pipe 3, a dry cement injection pipe 4, a communication seat 17 and four drill rod discharging blades 5, and the drill rod 1 is externally provided with an anti-blocking structure.

[0022] The conical drill bit 2 is fixedly installed at the bottom of the drill rod 1, the communication seat 17 is fixedly installed at the top of the drill rod 1, the cement slurry injection pipe 3 and the dry cement injection pipe 4 are both fixedly installed at the top of the communication seat 17, and the drill rod discharging blade 5 is fixedly installed at the outer circumferential wall of the drill rod 1.

[0023] The anti-blocking structure comprises two adjusting rings 6 slidably connected to the outer circumferential wall of the drill rod 1, two blade reserved outlets 18 are arranged on the front and rear walls of the drill rod discharge blade 5, a blocking ring 16 is fixedly installed on the outer circumferential wall of the drill rod 1, the diameter of the blocking ring 16 is greater than that of the adjusting ring 6, two synchronous rods 7 are fixedly installed between the two adjusting rings 6, two mounting rods 8 are fixedly installed on the outer circumferential wall of the adjusting ring 6, a first mounting seat 9 is fixedly installed on the side of the mounting rod 8 away from the adjusting ring 6, a connecting rod 10 is fixedly installed on the side of the first mounting seat 9 away from the mounting rod 8, and a second mounting seat 11 is fixedly installed on the side of the connecting rod 10 away from the first mounting seat 9.

[0024] The bottom of the first mounting seat 9 and the second mounting seat 11 is fixedly installed with a sealing seat 12, and the sealing seat 12 is fixedly installed with a sealing gasket 13, two adjacent sealing gaskets 13 are located directly above four adjacent blade reserved outlets 18, the sealing seat 12 and the sealing gasket 13 are in U shape, the distance between the inner walls of the front and rear sides of the sealing gasket 13 is the same as the distance between the outer walls of the front and rear sides of the drill rod discharge blade 5, the sealing seat 12 and the sealing gasket 13 are located directly above the drill rod discharge blade 5, the bottom outer wall of the communication seat 17 is fixedly installed with an electric lifting rod 15, the bottom outer wall of the communication seat 17 is fixedly installed with a protective shell 14, the electric lifting rod 15 is installed in the protective shell 14, and the telescopic shaft of the electric lifting rod 15 is fixedly installed on the top outer wall of the upper adjusting ring 6.

[0025] In the embodiment, the blocking ring 16 shields the soil below the adjusting ring 6, reduces the influence of the soil on the adjusting ring 6, and enables the adjusting ring 6 to normally slide up and down to adjust the height.

[0026] In the embodiment, the protective shell 14 protects the outside of the electric lifting rod 15, and reduces the influence of external factors on the electric lifting rod 15.

[0027] The electric elements in the article are electrically connected with the controller and the power supply, the control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming of the person skilled in the art, the power supply also belongs to the common knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the control mode and the circuit connection of the utility model are not explained in detail.

[0028] The working principle of the above embodiment is as follows:

[0029] When the dry and wet cement mixing pile construction equipment stops, at this time the electric lifting rod 15 is started and drives the adjusting ring 6 to move downwards, since the synchronous rod 7 is installed between the two adjusting rings 6, the two adjusting rings 6 are synchronously adjusted in height, at this time the first mounting seat 9 is driven to move downwards by the effect of the mounting rod 8, the second mounting seat 11 is driven to move downwards by the effect of the connecting rod 10, at this time all the sealing seats 12 and the sealing pads 13 move downwards to the outer wall of the drill rod discharge blade 5 and block the blade reserved output port 18, at this time the blade reserved output port 18 can be prevented from being blocked.

[0030] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.​

Claims

1. A dry-wet cement mixing pile construction equipment, comprising a drill rod (1), a conical drill bit (2), a cement slurry injection pipe (3), a dry cement injection pipe (4), a communication seat (17) and four drill rod discharge blades (5), characterized in that: The outer part of the drill rod (1) is provided with an anti-blocking structure. The anti-blocking structure comprises two adjusting rings (6) slidably connected to the outer peripheral wall of the drill rod (1), two synchronous rods (7) fixedly installed between the two adjusting rings (6), two mounting rods (8) fixedly installed on the outer peripheral wall of the adjusting ring (6), a first mounting seat (9) fixedly installed on the side of the mounting rod (8) away from the adjusting ring (6), a connecting rod (10) fixedly installed on the side of the first mounting seat (9) away from the mounting rod (8), a second mounting seat (11) fixedly installed on the side of the connecting rod (10) away from the first mounting seat (9), a sealing seat (12) fixedly installed on the bottom of the first mounting seat (9) and the second mounting seat (11), a sealing gasket (13) fixedly installed in the sealing seat (12), and an electric lifting rod (15) fixedly installed on the bottom outer wall of the communication seat (17).

2. The dry-wet cement mixing pile construction equipment according to claim 1, characterized in that: The bottom outer wall of the communication seat (17) is fixedly installed with a protective shell (14), the electric lifting rod (15) is installed in the protective shell (14), and the telescopic shaft of the electric lifting rod (15) is fixedly installed on the top outer wall of the upper adjusting ring (6).

3. The dry-wet cement mixing pile construction equipment according to claim 1, characterized in that: The outer peripheral wall of the drill rod (1) is fixedly installed with a blocking ring (16), and the diameter of the blocking ring (16) is greater than that of the adjusting ring (6).

4. The dry-wet cement mixing pile construction equipment according to claim 1, characterized in that: The front and rear side walls of the drill rod discharge blade (5) are both provided with two blade reserved output ports (18).

5. The dry-wet cement mixing pile construction equipment according to claim 1, characterized in that: The sealing seat (12) and the sealing gasket (13) are both in U shape, the distance between the inner walls of the front and rear sides of the sealing gasket (13) is the same as the distance between the outer walls of the front and rear sides of the drill rod discharge blade (5), and the sealing seat (12) and the sealing gasket (13) are located directly above the drill rod discharge blade (5).

6. The dry-wet cement mixing pile construction equipment according to claim 4, characterized in that: Two adjacent sealing gaskets (13) are located directly above four adjacent blade reserved output ports (18).

7. The dry-wet cement mixing pile construction equipment according to claim 1, characterized in that: The conical drill bit (2) is fixedly installed at the bottom of the drill rod (1), the communication seat (17) is fixedly installed at the top of the drill rod (1), the cement slurry injection pipe (3) and the dry powder cement injection pipe (4) are both fixedly installed at the top of the communication seat (17), and the drill rod discharge blade (5) is fixedly installed on the outer peripheral wall of the drill rod (1).

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