Sludge removing device for spiral drill rod

Abstract

The utility model discloses an auger stem desilting device which comprises a support, a desilting scraper blade and a limiting screw rod, the desilting scraper blade is provided with a fixed end and a working end, the fixed end of the desilting scraper blade is connected to the support, the limiting screw rod drags the working end of the desilting scraper blade and is connected to the support, and the limiting screw rod is connected to the support. The working end is close to the spiral drill rod, so that the mud removal scraper blade is integrally bent and the working end is close to the spiral drill rod; according to the mud removal device for the spiral drill rod, the mud removal scraping pieces capable of entering the gaps of the drill rod blades are arranged, so that the mud removal scraping pieces can synchronously scrape mud in the gaps of the drill rod blades when the drill rod is reversely rotated, pulled out and lifted in the recovery process, mixed mud is effectively cleaned, and potential safety hazards and cleaning difficulty are reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction and relates to a spiral drill rod mud removal device. Background Art

[0002] An auger is a piece of equipment used in drilling projects that features a spiral-shaped drill rod that can effectively break up rock and soil and deliver it to the surface.

[0003] During the construction of the spiral drill rod, a lot of mud often adheres to the drill rod, especially in the axial gap of the spiral blades of the drill rod, where a lot of mud will remain. As the drill rod is lifted, the mud will also be lifted to high altitudes, and a lot of mud will fall off the drill rod due to the vibration caused by the lifting, making the area around the drill rod unsafe. Currently, it can only be cleaned manually, which is difficult, labor-intensive and inefficient. The longer the drill rod, the more mud will remain, making it more difficult to clean.

[0004] In order to solve the above problems, a soil cleaning device is needed to scrape off the soil synchronously during the process of pulling out and lifting the drill rod, so as to avoid safety hazards and reduce the difficulty of cleaning. Utility Model Content

[0005] In view of this, the utility model provides a spiral drill rod mud removal device, which provides a mud removal scraper that can enter the gap between the drill rod blades. During the recovery process of the drill rod, the mud removal scraper can synchronously scrape the mud in the gap between the drill rod blades when the drill rod is rotated in the opposite direction to be pulled out and lifted, thereby effectively cleaning up the mixed mud and reducing safety hazards and cleaning difficulty.

[0006] The utility model discloses a spiral drill rod mud removal device, comprising a bracket, a mud removal scraper and a limiting spiral rod, the mud removal scraper has a fixed end and a working end, the fixed end of the mud removal scraper is installed on the bracket, and the limiting spiral rod pulls and connects the working end of the mud removal scraper to the bracket, so that the mud removal scraper is bent as a whole and the working end is close to the radial gap between any two adjacent blades of the spiral drill rod.

[0007] Furthermore, it also includes a connecting plate, which is installed on the top of the bracket, and the fixed end of the mud removal scraper is detachably installed on the front side of the connecting plate.

[0008] Furthermore, the bracket is provided with a first leg and a second leg, the first leg is attached to the back side of the connecting plate, the second leg is connected to the first leg, and the length of the second leg is adjustable to drive the first leg to swing with a single degree of freedom.

[0009] Furthermore, it also includes a guide wheel, which is arranged on the periphery of the demud scraper along the axial direction of the auger rod, and the rotation direction of the guide wheel is the same as the rotation direction of the auger rod.

[0010] Furthermore, the connecting plate is also provided with an auxiliary adjusting rod, the end of which is abutted against the mud removing scraper. The auxiliary adjusting rod can be driven to move along a single degree of freedom in the radial direction, and the mud removing scraper can be driven by the auxiliary adjusting rod to move closer to or away from the auger rod.

[0011] Furthermore, the bracket is also provided with an auxiliary connecting rod and an auxiliary frame, two first legs are provided, and the two first legs are both arranged in abutment with the connecting plate, and the auxiliary frame is arranged in abutment with the connecting plate and connects the two first legs; the second leg is arranged away from the connecting plate, and the second leg is connected to the auxiliary frame through the auxiliary connecting rod.

[0012] Furthermore, the bracket also includes a fixing plate, and the bottom of the first leg and the bottom of the second leg are both connected to the fixing plate.

[0013] Furthermore, a plurality of the desilting scrapers are provided, and a guide wheel is provided in the axial gap between any two adjacent desilting scrapers.

[0014] Furthermore, the working end of the mud removing scraper is connected to a position of the auxiliary connecting rod close to the second leg through the limiting spiral rod.

[0015] Beneficial effects of the utility model:

[0016] The utility model discloses a spiral drill rod mud removal device. By arranging a mud removal scraper that can enter the gap between the drill rod blades, during the recovery process of the drill rod, the mud removal scraper can synchronously scrape the mud in the gap between the spiral blades of the drill rod by utilizing the reverse rotation when the drill rod is lifted, so as to effectively clean up the mixed mud, reduce labor, reduce costs, reduce cleaning difficulty and improve mud removal efficiency, avoid lifting mud to high altitudes, and reduce safety hazards. The utility model is widely applicable, easy to use, economical and reasonable, safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a perspective view of the installation structure of the mud removal scraper and the connecting plate of the utility model;

[0018] Figure 2 This is a perspective view of the mounting structure of the bracket and the connecting plate of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the limiting spiral rod of the utility model. DETAILED DESCRIPTION

[0020] It should be noted that, in the description of this specification, the terms "upper", "lower", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. The radial directions in this embodiment are all radial directions to the auger rod, and the axial directions are also the axial directions corresponding to the auger rod. In this embodiment, the front and back sides of the connecting plate are two opposite sides, which are mainly artificially limited for the convenience of description, rather than being a limitation on the connecting plate. This is understandable to those skilled in the art and will not be elaborated here.

[0021] The utility model discloses a desilting device for a spiral drill rod, comprising a bracket, a desilting scraper 1 and a limiting spiral rod 12, wherein the desilting scraper 1 has a fixed end 102 and a working end 101, wherein the fixed end 102 of the desilting scraper 1 is mounted on the bracket, and the limiting spiral rod 12 pulls and connects the working end 101 of the desilting scraper 1 to the bracket, so that the desilting scraper 1 is bent as a whole and the working end 101 is close to the radial gap between any two adjacent spiral blades of the spiral drill rod. By setting the desilting scraper 1 that can enter the gap between the drill rod blades, during the recovery process of the drill rod, the desilting scraper 1 can synchronously scrape the mud in the gap between the drill rod spiral blades by utilizing the reverse rotation when the drill rod is lifted, effectively cleaning the mixed mud, reducing labor, reducing costs, reducing the difficulty of cleaning and improving the desilting efficiency, avoiding the lifting of mud to high altitudes, and reducing safety hazards. At the same time, the setting of the limiting spiral rod 12 not only handles the connection and traction of the desilting scraper, but also has a certain ability to break the soil, that is, when the drill rod rotates, the limiting spiral is located in the gap between the spiral blades, which can have a certain crushing effect on the residual soil blocks, effectively improving the effect of soil cleaning. The limiting spiral rod 12 in this embodiment is also arc-shaped, and the desilting scraper 1 is made of a bendable material with a certain elasticity, such as iron sheet, etc. Under the traction and connection of the limiting spiral rod 12, the desilting scraper 1 will naturally bend and eventually conform to the rotation direction of the drill rod, and the working end 101 of the desilting scraper 1 will be close to or fit in the gap between two adjacent spiral blades of the drill rod. In order to avoid damaging the drill rod, the working end 101 of the desilting scraper 1 can also be covered with a flexible material, such as rubber, to enhance the protection effect.

[0022] In this embodiment, a connecting plate 3 is further included, and the connecting plate 3 is mounted on the top of the bracket, and the fixed end 102 of the desilting scraper 1 is detachably mounted on the front of the connecting plate 3. As shown in the figure, a plurality of mounting holes 11 are provided on the connecting plate 3, and the fixed end 102 of the desilting scraper 1 is detachably mounted on the connecting plate 3 through bolts and other connecting parts. The mounting holes 11 in this embodiment include circular holes and waist-shaped holes. The setting of the waist-shaped holes allows the installation of the desilting scraper 1 on the connecting plate 3 to have a certain degree of adjustability.

[0023] In this embodiment, the bracket is provided with a first leg 6 and a second leg 5, the first leg 6 is attached to the back side of the connecting plate 3, the second leg 5 is connected to the first leg 6, and the length of the second leg 5 is adjustable to drive the first leg 6 to swing with a single degree of freedom. The first leg 6 is driven to swing with a single degree of freedom by adjusting the length of the second leg 5 to adjust the angle between the mud removal scraper 1 and the drill pipe, so that the mud removal effect is further guaranteed. The extension and retraction of the second leg 5 in this embodiment can be achieved by existing telescopic technologies such as electric telescopic rods, which will not be elaborated here. In order to realize the swinging, the connection between the first leg 6, the second leg 5 and the connecting plate 3 can be achieved by hinges, multi-link structures and other structures. How to ensure the smooth swinging motion can be adjusted and selected by technicians in this technical field according to actual conditions, which will not be elaborated here.

[0024] In this embodiment, a guide wheel 2 is further included, and the guide wheel 2 is arranged on the periphery of the desilting scraper 1 along the axial direction of the auger rod, and the rotation direction of the guide wheel 2 is the same as the rotation direction of the auger rod. The guide wheel 2 is arranged to ensure effective desilting, prevent the desilting scraper 1 from detaching from the spiral blade, and protect the spiral blade from being damaged by direct friction with the desilting scraper 1. The number of guide wheels 2 can be selected and adjusted according to actual conditions.

[0025] In this embodiment, the connecting plate 3 is further provided with an auxiliary adjustment rod 4, the end of which is abutted against the desilting scraper 1, and the auxiliary adjustment rod 4 can be driven to move along a single degree of freedom in the radial direction, and the desilting scraper 1 can be driven by the auxiliary adjustment rod 4 to move closer to or away from the auger rod. The auxiliary adjustment rod 4 in this embodiment is an adjustment bolt, which is mainly used to adjust the fitting angle between the desilting scraper 1 and the drill rod.

[0026] In this embodiment, the bracket is further provided with an auxiliary connecting rod 8 and an auxiliary frame 7, two first legs 6 are provided, both of which are arranged in close contact with the connecting plate 3, and the auxiliary frame 7 is arranged in close contact with the connecting plate 3 and connects the two first legs 6; the second leg 5 is arranged away from the connecting plate 3, and the second leg 5 is connected to the auxiliary frame 7 through the auxiliary connecting rod 8. Providing the auxiliary frame 7 can further improve the bearing capacity of the bracket.

[0027] In this embodiment, the bracket further includes a fixing plate 9, and the bottom of the first leg 6 and the bottom of the second leg 5 are both connected to the fixing plate 9. The setting of the fixing plate 9 can increase the effective installation area of ​​the entire device and make the installation more secure. The entire device can be installed on the pile driver casing through the fixing plate 9, which is direct and efficient without the need to design a separate installation point.

[0028] In this embodiment, the desilting scraper blades 1 are provided in plurality, and the axial gap between any two adjacent desilting scraper blades 1 is provided with a guide wheel 2. As shown in the figure, the desilting scraper blades 1 in this embodiment are provided in plurality, and two sets of guide wheels 2 are provided in the gap between the two desilting scraper blades 1, and the rotating shafts of the guide wheels 2 are respectively connected to the peripheries of the two desilting scraper blades 1.

[0029] In this embodiment, the working end 101 of the desilting scraper 1 is connected to the position of the auxiliary connecting rod 8 near the second leg 5 through the limiting spiral rod 12. As shown in the figure, the working end 101 of the desilting scraper 1 is provided with a first fixing point 103, and the position of the auxiliary connecting rod 8 near the second leg 5 is provided with a second fixing point 10, and the limiting spiral rod 12 is respectively connected to these two fixing points by bolts to form traction and tensioning of the desilting scraper 1. The first fixing point 103 in this embodiment is set on the central axis of the desilting scraper 1, so that the working stability of the desilting scraper 1 can be ensured.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A spiral drill rod desilting device, characterized in that: It includes a bracket, a mud removing scraper and a limiting spiral rod, the mud removing scraper has a fixed end and a working end, the fixed end of the mud removing scraper is connected to the bracket, and the limiting spiral rod pulls and connects the working end of the mud removing scraper to the bracket, so that the mud removing scraper is bent as a whole and the working end is close to the spiral drill rod.

2. The spiral drill rod desilting device according to claim 1, characterized in that: It also includes a connecting plate, which is installed on the top of the bracket, and the fixed end of the mud removal scraper is detachably installed on the front side of the connecting plate.

3. The spiral drill rod desilting device according to claim 2, characterized in that: The bracket is provided with a first leg and a second leg, the first leg is attached to the back side of the connecting plate, the second leg is connected to the first leg, and the length of the second leg is adjustable to promote the first leg to swing with a single degree of freedom.

4. The spiral drill rod desilting device according to claim 1, characterized in that: It also includes a guide wheel, which is arranged on the periphery of the demud scraper along the axial direction of the auger rod, and the rotation direction of the guide wheel is the same as the rotation direction of the auger rod.

5. The spiral drill rod desilting device according to claim 2, characterized in that: The connecting plate is also provided with an auxiliary adjusting rod, the end of which is abutted against the desilting scraper. The auxiliary adjusting rod can be driven to move along a single degree of freedom in the radial direction, and the desilting scraper can be driven by the auxiliary adjusting rod to move closer to or away from the auger rod.

6. The spiral drill rod desilting device according to claim 3, characterized in that: The bracket is also provided with an auxiliary connecting rod and an auxiliary frame. Two first legs are provided. Both of the first legs are arranged in abutment with the connecting plate. The auxiliary frame is arranged in abutment with the connecting plate and connects the two first legs. The second leg is arranged away from the connecting plate, and the second leg is connected to the auxiliary frame through the auxiliary connecting rod.

7. The spiral drill rod desilting device according to claim 3, characterized in that: The bracket further includes a fixing plate, and the bottom of the first leg and the bottom of the second leg are both connected to the fixing plate.

8. The spiral drill rod desilting device according to claim 4, characterized in that: A plurality of mud removal scrapers are provided, and a guide wheel is provided in the axial gap between any two adjacent mud removal scrapers.

9. The spiral drill rod desilting device according to claim 6, characterized in that: The working end of the mud removal scraper is connected to the position of the auxiliary connecting rod close to the second supporting leg through the limiting spiral rod.

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