Centering mechanism of pipe twisting drilling machine

Abstract

The utility model relates to the technical field of pipe twisting drilling machines, and discloses a centering mechanism of a pipe twisting drilling machine, which comprises a base and a clamp arranged at the top of the base, and the top of the clamp is fixedly connected with a fixed plate; by arranging the positioning assembly, positioning adjustment can be conveniently conducted according to use requirements, the positions of the two sets of fixing columns, the connecting plate, the limiting frame and the supporting plate can be conveniently adjusted through the threaded rod, the positioning block, the positioning frame, the connecting frame and the like, and then the distance between the two stabilizing plates is adjusted according to requirements; the centering clamping operation can be conveniently carried out, the mounting and dismounting operation can be conveniently carried out by arranging the dismounting and mounting assembly, the stable plates with different sizes or abraded can be conveniently replaced, the clamping stable effect is promoted and enhanced, the stable plates are fixed through the supporting plates, and the supporting plates and the stable plates are mounted under the action of the limiting frames, the fixing bolts, the nuts and the like; and the mounting and dismounting operations are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipe rolling drilling machine centering mechanism, and particularly relates to a pipe rolling drilling machine centering mechanism. BACKGROUND

[0002] The pipe rolling drilling machine is a construction equipment widely used in pile foundation construction, geological exploration, underground continuous wall construction and other fields. The pipe rolling mechanism is driven by a hydraulic system, so that the casing is gradually drilled into the stratum under the action of rotation and axial force, a stable retaining structure is formed, casing drilling and pulling out are realized, and construction safety and quality are ensured.

[0003] The pipe rolling drilling machine is used in subway foundation, deep foundation pit support engagement pile, urban reconstruction pile pulling and obstacle pile removal, water and electricity and water conservancy construction bored pile and other projects. The slip and the drill rod or the casing of the existing pipe rolling drilling machine are in contact. After long-term use, wear may occur, resulting in insufficient clamping force, affecting the stability of the centering construction, and possibly causing the drill rod or the casing to slide or fall off during drilling, affecting the construction progress and increasing the construction risk. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a pipe rolling drilling machine centering mechanism to solve the problem of wear affecting construction stability caused by long-time centering clamping operation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pipe rolling drilling machine centering mechanism, comprising a base, further comprising:

[0006] A clamp is arranged on the top of the base, and a fixed plate is fixedly connected to the top of the clamp;

[0007] A positioning assembly is arranged on the top of the fixed plate, the positioning assembly comprises a fixed frame fixedly connected to the top of the fixed plate, a threaded rod is rotatably connected to the inner side of the fixed frame, a positioning block is threadedly connected to the outer side of the threaded rod, and a positioning frame is fixedly connected to one side of the positioning block;

[0008] A dismounting assembly is arranged on the top of the clamp, the dismounting assembly comprises a stable plate arranged on the top of the clamp, a support plate is fixedly connected to one side of the stable plate, and a limiting frame is arranged on the outer side of the support plate.

[0009] Preferably, a clamping plate is fixedly connected to the top of the fixed frame, and a sliding block is slidably connected to the outer side of the clamping plate.

[0010] Preferably, a connecting frame is fixedly connected to the bottom of the positioning frame, one end of the positioning frame is fixedly connected to the top of the sliding block, and a connecting rod is fixedly connected to one end of the threaded rod.

[0011] Preferably, a motor is arranged at one end of the connecting rod, and a mounting plate is fixedly connected to the outer side of the motor.

[0012] Preferably, one side of the fixing frame is fixedly connected with one side of the mounting plate, and the inner side of the clamp is provided with a slip.

[0013] Preferably, one side of the limiting frame is fixedly connected with a connecting plate, and the inner side of the limiting frame is provided with a through hole.

[0014] Preferably, the inner side of the through hole is threadedly connected with a fixing bolt, and the outer side of the fixing bolt is threadedly connected with a nut.

[0015] Preferably, the top of the connecting plate is fixedly connected with a fixing column, and the top of the fixing column is fixedly connected with the bottom of a connecting frame.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses a positioning assembly is set up, and the position of two groups of fixing column, connecting plate, limiting frame and support plate is adjusted conveniently through screw rod, positioning block, positioning frame and connecting frame, and then the distance between two firm plates is adjusted as required, and the centering and clamping operation is convenient, the installation and dismounting operation are convenient through setting up dismounting assembly, and the firm plate of different size or wear is replaced conveniently, and the clamping firm effect is promoted and enhanced, the firm plate is fixed through the support plate, and under the action of limiting frame, fixing bolt and nut, the support plate and firm plate are installed, and the installation and dismounting operation are convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a preferable embodiment structure schematic view of the centering mechanism of the pipe rubbing drilling machine provided by the utility model;

[0019] Figure 2 It is a positioning assembly structure schematic view provided by the utility model;

[0020] Figure 3 It is a connecting frame and slip structure schematic view provided by the utility model;

[0021] Figure 4 It is a dismounting assembly structure schematic view provided by the utility model.

[0022] In the drawing: 1, base; 2, clamp; 3, fixed plate; 4, positioning assembly; 41, fixing frame; 42, screw rod; 43, positioning block; 44, positioning frame; 5, dismounting assembly; 51, firm plate; 52, support plate; 53, limiting frame; 6, clamping plate; 7, sliding block; 8, connecting frame; 9, connecting rod; 10, motor; 11, mounting plate; 12, slip; 13, connecting plate; 14, through hole; 15, fixing bolt; 16, nut; 17, fixing column. DETAILED DESCRIPTION

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-4 As shown, a centering mechanism for a casing drilling rig includes a base 1, a clamp 2 mounted on top of the base 1, and the clamp 2 being used to center and clamp the casing during drilling, casing connection / removal, or adjustment of the casing string position to prevent slippage or detachment. A fixing plate 3 is fixedly connected to the top of the clamp 2. A positioning assembly 4 is mounted on top of the fixing plate 3, including a fixing frame 41 fixedly connected to the top of the fixing plate 3. A threaded rod 42 is rotatably connected to the inner side of the fixing frame 41, supporting and limiting the threaded rod 42 through the fixing frame 41. A positioning block 43 is threadedly connected to the outer side of the threaded rod 42. The outer side of the threaded rod 42 is provided with equidistant external threads with opposite thread directions, which can drive the two positioning blocks 43 to move respectively, facilitating the adjustment of the two... The distance between the positioning blocks 43, and the positioning frame 44 is fixedly connected to one side of the positioning block 43. The two positioning frames 44 are fixed by the two positioning blocks 43 respectively. The positioning frame 44 plays a connecting and supporting role. The disassembly and assembly component 5 is set on the top of the clamp 2. The disassembly and assembly component 5 includes a stabilizing plate 51 set on the top of the clamp 2. The stabilizing plate 51 is arc-shaped and has an anti-slip layer. The sleeve is clamped by the two stabilizing plates 51 to enhance stability. A support plate 52 is fixedly connected to one side of the stabilizing plate 51. The stabilizing plate 51 is fixed by the support plate 52. A limit frame 53 is set on the outer side of the support plate 52. The support plate 52 is placed inside the limit frame 53 to facilitate installation and disassembly and to facilitate replacement of stabilizing plates 51 of different sizes or wear.

[0025] refer to Figure 1 , Figure 2 and Figure 3As shown, the top of the fixed frame 41 is fixedly connected with the clamping plate 6, the outer side of the clamping plate 6 is slidably connected with the sliding block 7, the clamping plate 6 and the two sliding blocks 7 are supported by the fixed frame 41, the bottom of the positioning frame 44 is fixedly connected with the connecting frame 8, one end of the positioning frame 44 is fixedly connected with the top of the sliding block 7, one end of the threaded rod 42 is fixedly connected with the connecting rod 9, one end of the connecting rod 9 is provided with the motor 10, the output end of the motor 10 is fixedly connected with one end of the connecting rod 9, so as to conveniently provide and transmit power for the threaded rod 42, the outer side of the motor 10 is fixedly connected with the mounting plate 11, the motor 10 is mounted and fixed by the mounting plate 11, one side of the fixed frame 41 is fixedly connected with one side of the mounting plate 11, the inner side of the clamp 2 is provided with the slip 12, and the slip 12 is mounted on the inner side of the clamp 2 by bolts.

[0026] Reference Figure 1 and Figure 4 As shown, the side of the limiting frame 53 is fixedly connected with the connecting plate 13, the limiting frame 53 is supported by the connecting plate 13, the inner side of the limiting frame 53 is provided with the through hole 14, the inner side of the through hole 14 is threadedly connected with the fixed bolt 15, the limiting frame 53 is provided with a plurality of through holes 14, so as to conveniently rotate and insert and move the fixed bolt 15, the outer side of the fixed bolt 15 is threadedly connected with the nut 16, the mounting and fixing effect is enhanced by the nut 16, the top of the connecting plate 13 is fixedly connected with the fixed column 17, the top of the fixed column 17 is fixedly connected with the bottom of the connecting frame 8, the fixed column 17 is supported by the connecting frame 8, and the position of the fixed column 17 is conveniently adjusted by the threaded rod 42, the positioning frame 44 and the positioning block 43.

[0027] Working principle: in use, through the fixed plate 3 and the fixed frame 41 play a supporting and fixed effect, under the drive of motor 10, make the connecting rod 9 drive screw rod 42 under the support of fixed frame 41 rotation, the outside of screw rod 42 is provided with equidistant and opposite screw thread, when screw rod 42 rotates, can respectively drive two positioning block 43 moves, in turn make two positioning frame 44 respectively drive two sliding block 7 under the limit of clamping plate 6 slide, it is convenient to adjust the distance between two positioning frame 44 and connecting frame 8 as needed, and under the connection of fixed column 17, connecting plate 13, limit frame 53 and support plate 52, it is convenient to adjust the distance between two stable plate 51 according to the size of sleeve, stable plate 51 is arc shape, and is installed with antiskid layer, stable plate 51 is centered clamped to sleeve, and under the cooperation of clamp 2 and slip 12, improve the stability effect, reduce the situation of slipping or falling, when the stable plate 51 of different size or wear needs to be replaced, the support plate 52 fixed with stable plate 51 is placed in the inside of limit frame 53, so that the outside of limit frame 53 is wrapped to support plate 52, and a plurality of fixed pins 15 are respectively screwed into the through holes 14, so that one end of the fixed pin 15 is in contact with the outside of the support plate 52, and the support plate 52 is clamped and fixed, and the fixed pin 15 and the limit frame 53 are fixed by the nut 16, effectively enhancing the installation stability effect, facilitating the replacement of stable plate 51 of different size or wear, enhancing the practicability and flexibility.

[0028] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply these entities or operations have any such actual relationship or order. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0029] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments 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 centering mechanism for a pipe-rolling drill, comprising a base (1), characterized in that, Also includes: A clamp (2) is set on the top of the base (1), and a fixing plate (3) is fixedly connected to the top of the clamp (2). A positioning component (4) is provided on the top of the fixed plate (3). The positioning component (4) includes a fixed frame (41) fixedly connected to the top of the fixed plate (3). A threaded rod (42) is rotatably connected to the inner side of the fixed frame (41). A positioning block (43) is threadedly connected to the outer side of the threaded rod (42). A positioning frame (44) is fixedly connected to one side of the positioning block (43). The disassembly assembly (5) is set on the top of the clamp (2). The disassembly assembly (5) includes a stabilizing plate (51) set on the top of the clamp (2). A support plate (52) is fixedly connected to one side of the stabilizing plate (51). A limit frame (53) is provided on the outer side of the support plate (52).

2. The centering mechanism of a pipe-rolling drill according to claim 1, characterized in that: The top of the fixed frame (41) is fixedly connected to a card plate (6), and a slider (7) is slidably connected to the outside of the card plate (6).

3. The centering mechanism of a pipe-rolling drill according to claim 1, characterized in that: The bottom of the positioning frame (44) is fixedly connected to the connecting frame (8), one end of the positioning frame (44) is fixedly connected to the top of the slider (7), and one end of the threaded rod (42) is fixedly connected to the connecting rod (9).

4. The centering mechanism of a pipe-rolling drill according to claim 3, characterized in that: A motor (10) is provided at one end of the connecting rod (9), and a mounting plate (11) is fixedly connected to the outside of the motor (10).

5. The centering mechanism of a pipe-rolling drill according to claim 1, characterized in that: One side of the fixing frame (41) is fixedly connected to one side of the mounting plate (11), and the inner side of the clamp (2) is provided with a slip (12).

6. The centering mechanism of a pipe-rolling drill according to claim 1, characterized in that: A connecting plate (13) is fixedly connected to one side of the limiting frame (53), and a through hole (14) is opened on the inner side of the limiting frame (53).

7. The centering mechanism of a pipe-rolling drill according to claim 6, characterized in that: The inner side of the through hole (14) is threaded with a fixing bolt (15), and the outer side of the fixing bolt (15) is threaded with a nut (16).

8. The centering mechanism of a pipe-rolling drill according to claim 6, characterized in that: The top of the connecting plate (13) is fixedly connected to a fixing column (17), and the top of the fixing column (17) is fixedly connected to the bottom of the connecting frame (8).

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