Angle detection structure of automatic drilling machine

Abstract

The invention relates to the technical field of drilling machine angle detection, and discloses an automatic drilling machine angle detection structure, a hexagon nut is in butt joint with a connecting sleeve installed at the rotating shaft end of a multi-circle encoder, the multi-circle encoder is used for detecting the rotating shaft action of a worm speed reducer, and the angle of the worm speed reducer is detected by detecting the rotating angle of the rotating shaft. The assembly is simple in structure and reliable in work, the installation part is located in the non-action part on the end side of the driving part, the disassembly, assembly and maintenance operation space is wide, a detection module is formed after the multi-circle encoder and the connection positioning sleeve are installed, and the detection precision is improved. The detection module and the installation end base are installed in an aligned and embedded mode, the installation end base and the worm speed reducer are installed in a butt joint mode, installation and positioning are achieved through the notch in an embedded mode, the structure is simple, installation is convenient, a traditional wiring structure is replaced with a plug butt joint structure, the situation that signals are poor due to wiring exposure and abrasion can be avoided, and the working reliability of the device is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of drilling rig angle detection, and in particular to an automatic drilling rig angle detection structure. Background Art

[0002] During the construction and mining of mines, drilling operations need to be performed on rocks or concrete, and drilling equipment is needed in this process. The automated drilling rig is a highly integrated and intelligent drilling equipment. It realizes the automation of the drilling process through advanced control systems and automation technology. In order to achieve precise drilling construction and monitor and adjust the angle of the drill arm and the drill bit, an angle detection structure needs to be set at the steering connection of the drill arm and the drill bit of the automated drilling rig. Angle detection can detect the angle parameter information of the drill arm and the drill bit of the automated drilling rig, and provide parameter information for the automated control of the drilling rig. It is an important working component on the upper part of the automated drilling rig.

[0003] In terms of installation, the existing drilling rig angle detection structures are mostly installed on the movable parts of the drilling rig's drill arm and drill bit. The working angles of the drill arm and the drill bit are detected by detecting the displacement. When working, the detection components follow the movement of the drilling rig working part and are affected by the stability of the wiring structure. The working reliability is not good. In order to reserve space for the rotation of the components, the installation position of the detection components is mostly a small space, which makes the disassembly and maintenance of the detection components very inconvenient and the maintenance convenience is poor. Therefore, an automatic drilling rig angle detection structure is proposed. Summary of the invention

[0004] The object of the present invention is to provide an automatic drilling rig angle detection structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic drilling rig angle detection structure, comprising a detection mechanism and a driving turntable, wherein the detection mechanism is installed on the side of the driving turntable, and the detection mechanism is used for working drive and action angle detection of the driving turntable;

[0006] The detection mechanism includes a worm reducer, a hydraulic motor and a detection assembly, wherein a transmission worm and a driving shaft are arranged inside the worm reducer, a transmission turbine is arranged inside the driving turntable, the transmission worm is meshed and installed with the transmission turbine, and the hydraulic motor is installed at the driving shaft end of the transmission worm;

[0007] The detection component is installed at the end of the worm reducer, and the detection component includes a mounting end seat, a connecting positioning sleeve and a multi-turn encoder. The mounting end seat is fixedly installed at the end of the worm reducer, and the multi-turn encoder is installed in a chimeric pattern with the connecting positioning sleeve to form a detection module. The detection module is installed in a aligned chimeric pattern with the mounting end seat, and a hexagonal nut is provided at the end of the driving shaft column, and the hexagonal nut is docked with the connecting sleeve installed at the rotating shaft end of the multi-turn encoder.

[0008] Preferably, the worm reducer is fixedly mounted on the side of the driving turntable, the transmission turbine is rotatably mounted inside the driving turntable via a rotating shaft, and a mounting disc seat is fixedly mounted on the rotating shaft end of the transmission turbine.

[0009] Preferably, the transmission worm is rotatably mounted inside the worm reducer via a driving shaft, the transmission worm is meshedly mounted with the side of the transmission turbine, and support bearings are sleeved on both ends of the driving shaft.

[0010] Preferably, the hydraulic motor is fixedly mounted on the driving input end of the worm reducer by bolts, a hydraulic pipe interface is provided on the upper portion of the hydraulic motor, and the end of the driving shaft is fixedly connected to the driving shaft end of the hydraulic motor by a coupling.

[0011] Preferably, an encoder mounting groove is provided in the middle portion of the connecting positioning sleeve, the multi-turn encoder is mounted on the inner side of the encoder mounting groove in an aligning and engaging manner, an aligning groove is provided on the lower circumferential side of the multi-turn encoder, and an aligning protrusion is provided inside the encoder mounting groove, and after installation, the aligning protrusion is engaged and connected with the aligning groove.

[0012] Preferably, a docking plug is provided at the rear of the multi-turn encoder, and a docking socket is provided at the inner rear of the encoder mounting slot. After installation, the docking plug and the docking socket are plugged and installed, and the rear of the multi-turn encoder is fastened and installed by bolts and a connecting positioning sleeve.

[0013] Preferably, the above-mentioned mounting end seat is fixedly installed with the end of the worm reducer by bolts, and a positioning mounting groove is provided in the middle of the mounting end seat. The multi-turn encoder is embedded and installed on the inner side of the positioning mounting groove together with the connecting positioning sleeve, and the end seat of the connecting positioning sleeve is fitted and closed with the end side of the mounting end seat.

[0014] Preferably, the end side of the multi-turn encoder is fastened to the mounting end seat by bolts, an interlocking positioning block is provided on the inner side of the positioning mounting groove, and an interlocking positioning groove is provided on the outer peripheral side of the connecting positioning sleeve, and after installation, the interlocking positioning block is interlocked and connected with the interlocking positioning groove.

[0015] Preferably, a power strip socket is provided at the lower rear portion of the connection positioning sleeve, and a power strip plug is provided at the lower inner portion of the positioning installation groove, and after installation, the power strip plug is plugged and installed with the power strip socket.

[0016] Preferably, the hexagonal nut is fixedly connected to the end of the driving shaft, the connecting sleeve is fixedly installed on the detection shaft end of the multi-turn encoder, the rear portion of the mounting end seat is provided with a docking groove, the connecting sleeve is installed by being engaged and plugged with the end portion of the hexagonal nut through the docking groove, and a calibration mark is provided on the upper portion of the connecting sleeve.

[0017] Compared with the prior art, the present invention adopts the above technical solution and has the following technical effects:

[0018] 1. This angle detection structure adopts an indirect detection working mode. The detection component 3 is installed on the rotating drive end of the drill arm and the drill bit. The multi-turn encoder is used to detect the shaft movement of the worm reducer. By detecting the rotation angle of the shaft, it is converted into the angle parameter of the output part through calculation, so as to obtain the precise action angle information of the drill arm and the drill bit. It will not be affected by the action of the working moving part of the drill rig, and the work is more stable and reliable.

[0019] 2. The detection component is installed at the end of the worm reducer. Through the insertion and docking of the multi-turn encoder and the hexagonal nut at the end of the worm reducer, direct detection of the motion parameters of the shaft structure is achieved. There is no complex working structure, the component structure is simple and the operation is reliable. The installation part is inside the non-action part on the end side of the drive part, and there is ample space for disassembly and maintenance operations, which is convenient for maintenance.

[0020] 3. The detection component 3 adopts a modular installation structure and is installed in a closed manner. The multi-turn encoder and the connecting positioning sleeve are installed in a closed manner to form a modular detection module. The detection module is installed in an aligned manner with the mounting end seat and is docked with the worm reducer through the mounting end seat. The components are installed and positioned through slots, and there is no need for complicated positioning and calibration operations. The structure is simple and easy to install, and the traditional wiring structure is replaced by a plug docking structure. After the embedded installation, the interfaces are accurately aligned and plugged in to achieve communication connectivity. There is no wiring structure in the structure, which can avoid poor signals caused by exposed wiring and wear, greatly improving the working reliability of the device. After installation, the multi-turn encoder is closed and installed inside the mounting end seat to avoid the adhesion of external smoke particles to the multi-turn encoder, which can further improve the working reliability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the overall front three-dimensional structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the overall rear three-dimensional structure of the present invention;

[0024] Figure 3 It is a schematic diagram of the internal transmission structure connection structure of the present invention;

[0025] Figure 4 This is a schematic diagram of the installation structure of the detection component of the present invention;

[0026] Figure 5 It is a schematic diagram of the installation structure of the installation end seat and the front side of the connection positioning sleeve of the present invention;

[0027] Figure 6 It is a schematic diagram of the mounting structure of the mounting end seat and the rear side of the connecting positioning sleeve of the present invention;

[0028] Figure 7 It is a schematic diagram of the front side installation structure of the multi-turn encoder and the connection positioning sleeve of the present invention;

[0029] Figure 8 It is a schematic diagram of the multi-turn encoder and the rear installation structure of the connection positioning sleeve of the present invention.

[0030] Explanation of the accompanying drawings: 1. Worm reducer; 2. Hydraulic motor; 3. Detection assembly; 4. Drive turntable; 5. Mounting disc seat; 6. Transmission turbine; 7. Transmission worm; 8. Drive shaft column; 9. Support bearing; 10. Hexagonal nut; 11. Mounting end seat; 12. Connecting positioning sleeve; 13. Multi-turn encoder; 14. Positioning mounting groove; 15. Socket plug; 16. Socket socket; 17. Connecting sleeve; 18. Docking slot; 19. Encoder mounting slot; 20. Docking socket; 21. Docking plug; 22. Hydraulic pipe interface. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0033] Example

[0034] See also Figure 1-8 The present invention provides a technical solution: an automatic drilling rig angle detection structure, including a detection mechanism and a driving turntable 4, the detection mechanism is installed on the side of the driving turntable 4 for driving the turntable 4 to work and detect the action angle. Specifically, the detection mechanism includes a worm reducer 1, a hydraulic motor 2 and a detection component 3, as shown in the attached Figure 3 As shown, the worm reducer 1 is fixedly installed on the side of the driving turntable 4. In order to realize the rotational drive, a transmission vortex 7 and a driving shaft column 8 are arranged inside the worm reducer 1. The transmission vortex 7 is rotatably installed inside the worm reducer 1 through the driving shaft column 8. In order to improve the rotation support stability of the driving shaft column 8, support bearings 9 are sleeved and installed at both ends of the driving shaft column 8.

[0035] As attached Figure 3 As shown, in order to connect the transmission with the worm reducer 1, a transmission turbine 6 is arranged inside the driving turntable 4. The transmission turbine 6 is rotatably mounted inside the driving turntable 4 through a rotating shaft support. The transmission worm 7 is meshed with the side of the transmission turbine 6. In order to drive the working parts of the drilling rig to rotate, as shown in the attached Figure 2 As shown, a mounting disc seat 5 is fixedly installed on the rotating shaft end of the transmission turbine 6, and the hydraulic motor 2 is used for driving the operation of the device. The hydraulic motor 2 is fixedly installed on the driving input end of the worm reducer 1 by bolts, and the end of the driving shaft column 8 is fixedly connected to the driving rotating shaft end of the hydraulic motor 2 through a coupling. The hydraulic motor 2 is driven by hydraulic pressure. In order to connect the external hydraulic pipeline, a hydraulic pipe interface 22 is provided on the upper part of the hydraulic motor 2.

[0036] The detection assembly 3 is installed at the end of the worm reducer 1. The detection assembly 3 includes a mounting end seat 11, a connection positioning sleeve 12 and a multi-turn encoder 13. The multi-turn encoder 13 is a mining intrinsically safe rotary encoder. The model of the multi-turn encoder 13 can be BQH12. In order to facilitate the connection and installation of the multi-turn encoder 13, as shown in the attached Figure 7As shown, an encoder mounting groove 19 is provided in the middle of the connecting positioning sleeve 12, and the multi-turn encoder 13 is aligned and embedded in the inner side of the encoder mounting groove 19. In order to install and position the multi-turn encoder 13, an alignment groove is provided at the lower part of the circumference of the multi-turn encoder 13, and an alignment protrusion is provided inside the encoder mounting groove 19. After installation, the alignment protrusion is embedded and connected with the alignment groove, and the various components are installed and positioned by notch embedding, without complicated positioning and calibration operations, and the structure is simple and easy to install.

[0037] In order to achieve communication connection, as shown in the attached Figure 8 As shown, a docking plug 21 is provided at the rear of the multi-turn encoder 13, and a docking socket 20 is provided at the inner rear of the encoder installation slot 19. After installation, the docking plug 21 is plugged and installed with the docking socket 20 to achieve communication connection. The traditional wiring structure is replaced by the plug docking structure. After the installation is chiseled, each interface is accurately aligned and plugged to achieve a communication connection structure without a wiring structure, which can avoid the signal bad situation caused by the exposed wiring wear, and greatly improve the working reliability of the device. After installation, the rear of the multi-turn encoder 13 is fastened and installed with the connection positioning sleeve 12 by bolts, as shown in the attached figure. Figure 5 As shown, the mounting end seat 11 is fixedly installed with the end of the worm reducer 1 by bolts. In order to facilitate the installation with the connecting positioning sleeve 12, a positioning installation groove 14 is provided in the middle of the mounting end seat 11. The multi-turn encoder 13 is installed together with the connecting positioning sleeve 12 on the inner side of the positioning installation groove 14. The multi-turn encoder 13 and the connecting positioning sleeve 12 are installed together to form a detection module. The detection module is installed in alignment with the mounting end seat 11. The components are installed and positioned by slots, without complicated positioning and calibration operations. The structure is simple and the installation is convenient.

[0038] The end side of the multi-turn encoder 13 is fastened to the mounting end seat 11 by bolts, and the end seat of the positioning sleeve 12 is fitted and sealed with the end side of the mounting end seat 11. After installation, the multi-turn encoder 13 is sealed and installed inside the mounting end seat 11, which can prevent the multi-turn encoder 13 from being adhered to by external smoke particles, and can further improve the working reliability of the equipment. In order to facilitate installation and positioning, as shown in the attached Figure 5 As shown, an engaging positioning block is provided on the inner side of the positioning and mounting groove 14, and an engaging positioning groove is provided on the outer peripheral side of the connecting positioning sleeve 12. After installation, the engaging positioning block is engaged and connected with the engaging positioning groove. In order to realize communication connection, a power strip socket 16 is provided on the lower rear part of the connecting positioning sleeve 12, and a power strip plug 15 is provided on the lower inner side of the positioning and mounting groove. After installation, the power strip plug 15 is plugged and installed with the power strip socket 16, and the traditional wiring structure is replaced by the plug docking structure. After the engaging and mounting, the interfaces are precisely aligned and plugged to realize the communication connection structure without wiring structure, which can avoid the poor signal caused by the exposed wiring and wear, and greatly improve the working reliability of the device.

[0039] In order to detect the docking, a hexagonal nut 10 is provided at the end of the multi-drive shaft column 8, as shown in the attached Figure 4 As shown, the hexagonal nut 10 is fixedly connected to the end of the driving shaft column 8, the connecting sleeve 17 is fixedly installed with the detection shaft end of the multi-turn encoder 13, and a docking groove 18 is provided at the rear of the mounting end seat 11. The connecting sleeve 17 is inserted and installed with the end head of the hexagonal nut 10 through the docking groove 18. The multi-turn encoder 13 is plugged and docked with the hexagonal nut 10 at the end of the worm reducer 1 to realize direct detection of the motion parameters of the shaft structure. There is no complex working structure, the component structure is simple and the operation is reliable. By detecting the rotation angle of the shaft, it is converted into the angle parameter of the output part through calculation, so as to obtain the precise action angle information of the drill arm and the drill bit, which will not be affected by the action of the working moving part of the drilling rig, and the operation is more stable and reliable. In order to facilitate the installation and alignment with the hexagonal nut 10, a calibration mark is provided on the upper part of the connecting sleeve 17, and the installation part of the detection component 3 is located inside the non-action part on the end side of the driving part. There is ample space for disassembly and maintenance operations, and it has good maintenance convenience.

[0040] Working principle or structural principle, when working, the hydraulic motor 2 is driven by the hydraulic oil to drive the transmission worm 7 to drive the transmission worm 6 meshing with it to rotate, so as to realize the rotation adjustment drive of the moving part of the drilling rig, and at the same time, the hexagonal nut 10 drives the detection shaft part of the multi-turn encoder 13 to rotate under the rotation of the driving shaft column 8. The detection shaft part of the multi-turn encoder 13 is synchronized with the rotation action of the driving shaft column 8. By detecting the rotation angle of the driving shaft column 8, it is converted into the angle parameter of the output part through calculation, so as to obtain the precise action angle information of the drill arm and the drill bit, and complete the angle detection work;

[0041] When repairing or replacing the detection component 3, first loosen the limiting bolts at the front of the mounting end seat 11 to complete the front installation unlocking of the multi-turn encoder 13, then pull out the connecting positioning sleeve 12 and the multi-turn encoder 13 as a whole, then loosen and remove the limiting bolts at the rear of the connecting positioning sleeve 12, then pull and disassemble the multi-turn encoder 13 to complete the disassembly and separation of the multi-turn encoder 13, then install the new multi-turn encoder 13 into the interior of the connecting positioning sleeve 12, and ensure that the positioning grooves are aligned and plugged into place during installation, and the docking plug 21 at the rear of the multi-turn encoder 13 and the connecting positioning sleeve 12 are engaged. The docking socket 20 is aligned and plugged in, and then the multi-turn encoder 13 is tightened and limited by the limit bolts. After completion, the worm reducer 1 is adjusted to the calibration installation position, and then the connecting sleeve 17 at the front of the multi-turn encoder 13 is rotated to the installation position using the alignment mark, and then the multi-turn encoder 13 is installed together with the connecting positioning sleeve 12 into the interior of the mounting end seat 11 through the groove alignment. After installation, the connecting sleeve 17 and the hexagonal nut 10 are aligned and plugged in, and the power strip plug 15 and the power strip socket 16 are aligned and plugged in. Finally, the multi-turn encoder 13 is tightened and limited by the limit bolts, and the maintenance and replacement of the detection component 3 is completed.

[0042] In summary, the angle detection structure adopts an indirect detection working mode, and the detection component 3 is installed on the rotating drive end of the drill arm and the drill bit, and the multi-turn encoder 13 is used to detect the shaft movement of the worm reducer 1. By detecting the rotation angle of the shaft, it is converted into the angle parameter of the output part through calculation, so as to obtain the precise movement angle information of the drill arm and the drill bit, which will not be affected by the movement of the working moving part of the drilling rig, and the operation is more stable and reliable. The detection component 3 is installed at the end of the worm reducer 1, and the multi-turn encoder 13 is plugged and docked with the hexagonal nut 10 at the end of the worm reducer 1 to realize direct detection of the movement parameters of the shaft structure. There is no complex working structure, the component structure is simple and the operation is reliable, and the installation part is inside the non-moving part on the end side of the driving part, so there is ample space for disassembly and maintenance operations, and it has good maintenance convenience. The detection component 3 adopts a modular installation structure and is installed in a chimeric and closed manner. The multi-turn encoder 13 and the connecting positioning sleeve 12 are installed in a chimeric manner to form a modular detection module. The detection module is installed in a chimeric manner with the mounting end seat 11 and is docked with the worm reducer 1 through the mounting end seat 11. The components are installed and positioned through slots, and there is no need for complicated positioning and calibration operations. The structure is simple and easy to install. The traditional wiring structure is replaced by a plug docking structure. After the chimeric installation, the interfaces are accurately aligned and plugged in to achieve a communication connection structure without a wiring structure, which can avoid poor signals caused by exposed wiring and wear, greatly improving the working reliability of the device. After installation, the multi-turn encoder 13 is closed and installed inside the mounting end seat 11, which can avoid the adhesion of external smoke particles to the multi-turn encoder 13, and can further improve the working reliability of the equipment.

[0043] It will be appreciated by those skilled in the art that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.

Claims

1. An automated drilling rig angle detection structure, comprising a detection mechanism and a drive turntable (4), characterized in that: The detection mechanism is installed on the side of the driving turntable (4), and is used for driving the working drive and detecting the action angle of the driving turntable (4); The detection mechanism comprises a worm reducer (1), a hydraulic motor (2) and a detection assembly (3); a transmission worm (7) and a drive shaft (8) are arranged inside the worm reducer (1); a transmission turbine (6) is arranged inside the drive turntable (4); the transmission worm (7) is meshedly mounted with the transmission turbine (6); and the hydraulic motor (2) is mounted on the drive shaft (8) end of the transmission worm (7); The detection component (3) is installed at the end of the worm reducer (1), and the detection component (3) comprises a mounting end seat (11), a connecting positioning sleeve (12) and a multi-turn encoder (13). The mounting end seat (11) is fixedly installed at the end of the worm reducer (1), and the multi-turn encoder (13) and the connecting positioning sleeve (12) are installed in a chimeric manner to form a detection module. The detection module and the mounting end seat (11) are installed in a aligning chimeric manner. The end of the driving shaft column (8) is provided with a hexagonal nut (10), and the hexagonal nut (10) is installed in a docking manner with a connecting sleeve (17) installed at the end of the rotating shaft of the multi-turn encoder (13).

2. The automatic drilling rig angle detection structure according to claim 1, characterized in that: The worm reducer (1) is fixedly mounted on the side of the driving turntable (4), the transmission turbine (6) is rotatably mounted inside the driving turntable (4) via a rotating shaft, and a mounting disc seat (5) is fixedly mounted on the rotating shaft end of the transmission turbine (6).

3. The automatic drilling rig angle detection structure according to claim 2, characterized in that: The transmission worm (7) is rotatably mounted inside the worm reducer (1) via a driving shaft (8); the transmission worm (7) is meshedly mounted with the side of the transmission turbine (6); and support bearings (9) are sleeved and mounted at both ends of the driving shaft (8).

4. The automatic drilling rig angle detection structure according to claim 3 is characterized in that: The hydraulic motor (2) is fixedly mounted on the driving input end of the worm reducer (1) by means of bolts, a hydraulic pipe interface (22) is provided on the upper part of the hydraulic motor (2), and the end of the driving shaft column (8) is fixedly connected to the driving shaft end of the hydraulic motor (2) by means of a coupling.

5. The automatic drilling rig angle detection structure according to claim 1, characterized in that: An encoder mounting groove (19) is provided in the middle of the connection positioning sleeve (12), and the multi-turn encoder (13) is mounted on the inner side of the encoder mounting groove (19) in an aligned and chimeric manner. An alignment groove is provided at the lower part of the circumferential side of the multi-turn encoder (13), and an alignment protrusion is provided inside the encoder mounting groove (19). After installation, the alignment protrusion is chimerically connected with the alignment groove.

6. The automatic drilling rig angle detection structure according to claim 5, characterized in that: The rear of the multi-turn encoder (13) is provided with a docking plug (21), and the inner rear of the encoder installation slot (19) is provided with a docking socket (20). After installation, the docking plug (21) and the docking socket (20) are plugged and installed, and the rear of the multi-turn encoder (13) is fastened and installed with a connecting positioning sleeve (12) by bolts.

7. The automatic drilling rig angle detection structure according to claim 6, characterized in that: The mounting end seat (11) is fixedly mounted to the end of the worm reducer (1) by means of bolts, a positioning mounting groove (14) is provided in the middle of the mounting end seat (11), the multi-turn encoder (13) is mounted together with the connecting positioning sleeve (12) on the inner side of the positioning mounting groove (14), and the end seat of the connecting positioning sleeve (12) is sealed and mounted in a close fit with the end side of the mounting end seat (11).

8. The automatic drilling rig angle detection structure according to claim 7, characterized in that: The end side of the multi-turn encoder (13) is fastened to the mounting end seat (11) by bolts, an interlocking positioning block is provided on the inner side of the positioning mounting groove (14), and an interlocking positioning groove is provided on the outer peripheral side of the connecting positioning sleeve (12), and after installation, the interlocking positioning block is interlocked and connected with the interlocking positioning groove.

9. The automatic drilling rig angle detection structure according to claim 8, characterized in that: A power strip socket (16) is provided at the lower rear portion of the connection positioning sleeve (12), and a power strip plug (15) is provided at the lower inner portion of the positioning installation groove (14). After installation, the power strip plug (15) is plugged and installed with the power strip socket (16).

10. The automatic drilling rig angle detection structure according to claim 9, characterized in that: The hexagonal nut (10) is fixedly connected to the end of the driving shaft column (8), the connecting sleeve (17) is fixedly installed on the detection shaft end of the multi-turn encoder (13), the rear part of the mounting end seat (11) is provided with a docking groove (18), the connecting sleeve (17) is installed by inserting and engaging with the end of the hexagonal nut (10) through the docking groove (18), and the upper part of the connecting sleeve (17) is provided with a calibration mark.

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