Spiral drilling tool suitable for mountain photovoltaic composite stratum

Abstract

The spiral drilling tool suitable for the mountain photovoltaic composite stratum comprises a support, and one side of the support is connected with a transfer vehicle through a bolt. One side of the support is connected with a driving device, the output end of the driving device is connected with a drill rod, the bottom of the drill rod is connected with a drill bit mechanism, the outer surface of the drill rod is connected with a spiral feeding structure composed of blades of a spiral structure, and the drill bit mechanism comprises a drill bit base, the upper surface of the drill bit base is connected with the bottom of the drill rod, and the lower surface of the drill bit base is connected with a plurality of internal thread sleeves. The internal thread sleeve is in threaded connection with different types of drill bits; the device solves the problems that in the prior art, a single spiral drilling tool cannot be used for cast-in-place pile hole forming in the complex geology, drilling tool replacement is tedious, the construction period is delayed, and cost is increased, and has the advantage that high-efficiency drilling on the complex geology can be achieved through the drilling tool with the composite drill bit.

Description

Technical Field

[0001] The utility model belongs to the technical field of municipal construction, and in particular relates to a spiral drilling tool suitable for mountain photovoltaic composite strata. Background Art

[0002] Photovoltaic power stations built in a complex geographical environment, in order to protect arable land, ecology, water system and other reasons, the land used in mountain photovoltaic fields is mostly barren land, which is characterized by scattered plots, steep terrain, complex geology, and limited traffic. The use of composite stratum spiral drilling tools can solve the problem of bored pile drilling in soft and hard strata such as soil and stone, gravel layer, and strongly differentiated broken rock. Conventional spiral drilling tools are limited by geological reasons and have a high porosity for soil layers. If the layer contains stones, gravel layers, and strongly differentiated broken rock, there will be a large vertical deviation, damage to the drilling tools, and inability to drill holes. It is necessary to replace the drilling tools that adapt to the stratum for construction. If the equipment modification does not match or even needs to be replaced, it will cause many problems such as the inability to guarantee the construction period and increase costs. Therefore, it is necessary to design a spiral drilling tool suitable for mountain photovoltaic composite strata to solve the above problems. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a spiral drilling tool suitable for mountain photovoltaic composite strata. The device solves the problem that the single spiral drilling tool in the prior art cannot be used for bored piles in complex geological conditions, and the replacement of the drilling tool is cumbersome, resulting in delays in the construction period and increased costs. The device has the characteristic of being able to achieve high-efficiency drilling of complex geological conditions through a drilling tool with a composite drill bit.

[0004] In order to realize the above-mentioned design, the technical solution adopted by the utility model is:

[0005] A spiral drilling tool suitable for mountain photovoltaic composite strata comprises a bracket, one side of which is connected to a transfer vehicle through bolts; one side of the bracket is connected to a driving device, an output end of the driving device is connected to a drill rod, and a drill bit mechanism is connected to the bottom of the drill rod.

[0006] Preferably, the outer surface of the drill rod is connected with blades having a spiral structure to form a spiral feeding structure.

[0007] Preferably, the drill bit mechanism comprises a drill bit base, the upper surface of the drill bit base is connected to the bottom of the drill rod, and the lower surface is connected to a plurality of internal threaded sleeves.

[0008] Preferably, the internally threaded sleeve is threadably connected to different types of drill bits, respectively.

[0009] Furthermore, different types of drill bits include gravel alloy pick 3050, limestone sandstone pick 3050-D, hard rock pick 3050N9, special pick C31HD, rotary drilling pick 3050-Y6P and other alloy pick drill bits; when in use, select multiple or one of them for installation according to needs.

[0010] Preferably, a rubber ring is sleeved on the outer surface of the drill bit, and part of the rubber ring is sleeved on the outer surface of the drill bit, and part of the rubber ring is sleeved on the outer surface of the internal threaded casing.

[0011] Furthermore, the rubber ring is a hard rubber ring with high friction, which is installed after the drill bit is installed; it is used to limit the drill bit and the internal threaded casing to a certain position through friction, so as to avoid the thread falling off due to vibration during the drilling process.

[0012] Preferably, a casing with a sleeve structure is connected to the bottom end of the side surface of the bracket, and the casing is arranged on the periphery of the drill bit mechanism.

[0013] Furthermore, the casing is used to protect and support the orifice area of ​​the hole to prevent the orifice from collapsing.

[0014] The beneficial effects of the above-mentioned spiral drilling tool suitable for mountain photovoltaic composite formations are as follows:

[0015] The device can be quickly docked with the carrying equipment through the bracket and transported to the construction site for construction by the carrying equipment; the device is provided with a drill rod and spiral blades to form a spiral feeding structure, which can transport part of the drilled material out of the hole; multiple types of detachable drill bits are provided to form a composite drilling tool, which can adapt to various composite geological conditions such as soil layers, clay layers, fill layers, silt layers, silt layers and sandy soil layers, with a simple structure, higher efficiency, cost savings and strong adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a structural schematic diagram of the drill bit mechanism of the utility model;

[0018] The reference numerals in the figure are: bracket 1, driving device 2, drill rod 3, drill bit mechanism 4, blade 5, drill bit base 6, internal threaded casing 7, drill bit 8, casing 9. DETAILED DESCRIPTION

[0019] like Figure 1~Figure 2 In the invention, a spiral drilling tool suitable for mountain photovoltaic composite strata includes a bracket 1, one side of the bracket 1 is connected to a transport vehicle by bolts; one side of the bracket 1 is connected to a driving device 2, the output end of the driving device 2 is connected to a drill rod 3, and the bottom of the drill rod 3 is connected to a drill bit 8 mechanism 4.

[0020] Preferably, the outer surface of the drill rod 3 is connected with blades 5 with a spiral structure to form a spiral feeding structure.

[0021] Preferably, the drill bit 8 mechanism 4 includes a drill bit 8 base 6, the upper surface of the drill bit 8 base 6 is connected to the bottom of the drill rod 3, and the lower surface is connected to a plurality of internal threaded sleeves 7.

[0022] Preferably, the internal threaded sleeve 7 is threadedly connected to drill bits 8 of different types.

[0023] Furthermore, different types of drill bits 8 include gravel alloy picks 3050, limestone sandstone picks 3050-D, hard rock picks 3050N9, special picks C31HD, rotary drilling picks 3050-Y6P and other alloy pick drill bits 8; when in use, select multiple or one of them for installation as needed.

[0024] Preferably, a rubber ring is sleeved on the outer surface of the drill bit 8 , and part of the rubber ring is sleeved on the outer surface of the drill bit 8 , and part of the rubber ring is sleeved on the outer surface of the internal threaded casing 7 .

[0025] Furthermore, the rubber ring is a hard rubber ring with high friction, which is installed after the drill bit 8 is installed; it is used to limit the drill bit 8 and the internal threaded casing 7 to a certain position through friction, so as to avoid the thread falling off due to vibration during the drilling process.

[0026] Preferably, a casing 9 of a sleeve structure is connected to the bottom end of the side surface of the bracket 1 , and the casing 9 is arranged on the periphery of the drill bit 8 mechanism 4 .

[0027] Furthermore, the casing 9 is used to protect and support the orifice area of ​​the hole to prevent the orifice from collapsing.

[0028] The working principle of the utility model is as follows:

[0029] When in use, the device is connected to the carrying equipment through the bracket 1, and the entire device is transported to the construction site for construction. The spiral feeding structure transports part of the drilled material out of the hole. Multiple types of detachable drill bits 8 form a composite drilling tool, and one or more suitable drill bits 8 can be selected for installation according to various composite geological conditions such as soil layers, clay layers, fill layers, silt layers, silt layers and sandy soil layers.

[0030] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The embodiments and features in the embodiments of the present application can be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A spiral drilling tool suitable for mountain photovoltaic composite formations, comprising a bracket (1), one side of the bracket (1) being connected to a transport vehicle by bolts; characterized in that: One side of the support (1) is connected to the driving device (2), the output end of the driving device (2) is connected to a drill rod (3), and the bottom of the drill rod (3) is connected to a drill head mechanism (4).

2. The spiral drilling tool suitable for mountain photovoltaic composite strata according to claim 1, characterized in that: The outer surface of the drill rod (3) is connected to blades (5) with a spiral structure to form a spiral feeding structure.

3. The spiral drilling tool suitable for mountain photovoltaic composite strata according to claim 1, characterized in that: The drill bit mechanism (4) comprises a drill bit base (6), the upper surface of the drill bit base (6) is connected to the bottom of the drill rod (3), and the lower surface is connected to a plurality of internally threaded sleeves (7).

4. The spiral drilling tool suitable for mountain photovoltaic composite strata according to claim 3, characterized in that: The internally threaded sleeves (7) are respectively threadedly connected to drill bits (8) of different types.

5. The spiral drilling tool suitable for mountain photovoltaic composite strata according to claim 4, characterized in that: The outer surface of the drill bit (8) is sleeved with a rubber ring, which is partially sleeved on the outer surface of the drill bit (8) and partially sleeved on the outer surface of the internally threaded casing (7).

6. The spiral drilling tool suitable for mountain photovoltaic composite strata according to claim 1, characterized in that: A casing (9) with a sleeve structure is connected to the bottom end of the side surface of the support (1), and the casing (9) is arranged on the periphery of the drill bit mechanism (4).

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