CN216263594U

CN216263594U - Adjustable drilling device for constructional engineering

Info

Publication number: CN216263594U
Application number: CN202122543305.5U
Authority: CN
Inventors: 李青华; 董文进; 秦贵兴; 王布布; 付雪松; 赵光远; 李洋; 朱小六; 赵琳琳
Original assignee: China Construction Sixth Bureau South China Construction Co Ltd
Current assignee: China Construction Sixth Engineering Bureau Fourth Construction Co.,Ltd.
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-12
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses an adjustable drilling device for constructional engineering, which comprises a supporting device, a rotating device and a sliding device, wherein a liftable tray is arranged on the supporting device, the rotating device is arranged above the tray through the supporting device, the sliding device is rotatably arranged on the rotating device, the sliding device circumferentially rotates through the rotating device, a sliding ring is slidably arranged on the sliding device, the lower end of the sliding ring is hinged with a motor mounting seat, an angle adjusting device is arranged between the sliding ring and the motor mounting seat, the angle adjusting device controls the rotating angle between the motor mounting seat and the sliding ring, the lower end of the motor mounting seat is fixedly connected with a motor, and a drill bit is arranged on an output shaft of the motor. The utility model can realize the random adjustment of the drilling position and the drilling angle during drilling, is convenient for corresponding workers to perform drilling operation from different positions and different drilling angles according to actual requirements, and improves the drilling efficiency.

Description

Adjustable drilling device for constructional engineering

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to an adjustable drilling device for constructional engineering.

Background

The building engineering is an engineering entity formed by the construction of various building constructions and auxiliary facilities thereof and the installation activities of lines, pipelines and equipment matched with the building constructions, wherein the building constructions comprise a top cover, a beam column, a wall, a foundation and a construction capable of forming an internal space, and meet the requirements of production, living, study and public activities of people, the building engineering is an engineering entity which is completed by various technical works such as planning, investigation, design, construction completion and the like for newly building, reconstructing or expanding the building constructions and the auxiliary facility facilities, and the installation engineering of the lines, the pipelines and the equipment matched with the building constructions, and plates widely used in the building engineering need to be drilled for use, so that corresponding drilling equipment appears.

However, when the drilling device for the building engineering is used, the drilling position and the drilling angle can not be adjusted at will during drilling, so that corresponding workers can not enter the drilling operation from different positions and different drilling angles according to actual needs, and further certain troubles are brought to the corresponding workers.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the conventional drilling equipment cannot perform drilling operation at different positions and different drilling angles at will, the utility model provides an adjustable drilling device for constructional engineering from the viewpoint of drilling operation flexibility, and solves the problem that corresponding workers cannot perform drilling operation from different positions and different drilling angles according to actual needs and troubles are brought to the corresponding workers because the drilling positions and the drilling angles cannot be adjusted at will during drilling.

In order to achieve the technical purpose, the utility model discloses an adjustable drilling device for constructional engineering, which comprises a supporting device, a rotating device and a sliding device, wherein a liftable tray is installed on the supporting device, the rotating device is installed above the tray through the supporting device, the sliding device is rotatably installed on the rotating device, the sliding device circumferentially rotates through the rotating device, a sliding ring is slidably installed on the sliding device, the lower end of the sliding ring is hinged with a motor installation seat, an angle adjusting device is arranged between the sliding ring and the motor installation seat and controls the rotating angle between the motor installation seat and the sliding ring, the lower end of the motor installation seat is fixedly connected with a motor, and a drill bit is installed on an output shaft of the motor.

Furthermore, the adjustable drilling device for the building engineering comprises a star-shaped connecting frame, supporting rods and an electric push rod, wherein the star-shaped connecting frame comprises three connecting arms, one ends of the three connecting arms are connected to the center of the star-shaped connecting frame together, the supporting rods are vertically fixed to the other ends of the three connecting arms, one end of the electric push rod is fixed to the center of the star-shaped connecting frame, the other end of the electric push rod is fixed to the center of a tray, a guide hole corresponding to the supporting rod is formed in the tray, and the supporting rod penetrates through the guide hole from bottom to top and then is fixedly connected with a rotating device.

Furthermore, the adjustable drilling device for the building engineering is characterized in that a nut sleeve is fixed in the middle of the connecting arm, a threaded rod is screwed in the nut sleeve, and a supporting plate is fixed at the lower end of the threaded rod.

Furthermore, the adjustable drilling device for the building engineering is characterized in that two side walls of the supporting rod are respectively and symmetrically provided with a guide groove, the guide grooves are in a cross shape, and the shape of the guide holes is the same as that of the cross section of the supporting rod.

Furthermore, the adjustable drilling device for the building engineering comprises a fixing ring and a rotating ring, wherein the fixing ring is fixedly connected with a supporting rod, a circular groove is formed in the upper end of the fixing ring, the rotating ring is rotatably connected in the circular groove, the upper end of the rotating ring extends out of the circular groove, a position locking device is arranged on the extending part of the rotating ring from the circular groove, and the position locking device acts to lock the relative position of the rotating ring and the fixing ring after the rotating ring rotates to a preset position.

Furthermore, the adjustable drilling device for the building engineering comprises a fixed plate and a movable plate, wherein the fixed plate is fixed on the upper end face of the rotating ring, two ends of the fixed plate are respectively provided with a through hole, a handle is fixed at the upper end of the movable plate, two pull rods which are oppositely arranged are fixed at the lower end of the movable plate, a return spring is sleeved on each pull rod, the upper end of the return spring is fixed on the lower end face of the movable plate, the lower end of the return spring is fixed on the upper end face of the fixed plate, the lower end of each pull rod penetrates out of the through hole of the fixed plate, a friction disc is fixed at the lower end of each pull rod, and the friction disc abuts against the upper end face of the fixed ring under the action of the return spring.

Furthermore, the adjustable drilling device for the building engineering comprises two fixing frames which are oppositely arranged, two ends of each fixing frame are fixed on the rotating ring, sliding grooves which penetrate through the fixing frames along the axis direction of the fixing frames are formed in the opposite side faces of the two fixing frames, an auxiliary handle is fixed at the upper end of each sliding ring, each sliding ring is C-shaped, two sliding blocks are respectively fixed at two ends of each sliding ring, each sliding block is installed in each sliding groove, a connecting rod is fixedly connected to each opposite face of each sliding block, and the motor installation seat is hinged between the two connecting rods.

Furthermore, the adjustable drilling device for the building engineering is characterized in that the motor mounting seat is U-shaped, two side plates of the opening end of the U-shaped motor mounting seat are correspondingly hinged with the connecting rod, and the motor is fixedly connected to the closed end of the U-shaped motor mounting seat.

Furthermore, the adjustable drilling device for the building engineering comprises a turbine, a worm and a rotary table, wherein the turbine is fixedly connected to the inner side wall of the opening end of the U-shaped motor mounting seat through a turbine rod, two lug plates are fixedly connected to the middle of the inner peripheral wall of the sliding ring at intervals in the front-back direction, the worm is rotatably mounted between the two lug plates, the rotary table is connected to the rear end of the worm, the turbine is meshed with the worm, and the helix angle of the worm is smaller than the contact friction angle of the worm and the worm.

Furthermore, the adjustable drilling device for the building engineering is characterized in that a controller is fixed on the outer peripheral wall of the fixing ring, and the controller is electrically connected with the motor and the electric push rod respectively.

The utility model has the beneficial effects that: according to the utility model, the plate to be drilled can be placed on the tray, the drilling position can be adjusted at will through the rotating device and the sliding device, the drilling angle can be adjusted at will through the angle adjusting device, the tray is stably moved upwards after the drilling position and the drilling angle are determined, the plate is drilled, and the multi-angle and multi-position drilling operation of the plate is realized. The problem of can not adjust drilling position and angle of penetration at will when drilling, lead to corresponding staff can not follow different positions, different angles of penetration and advance drilling operation according to actual need, bring the trouble for corresponding staff is solved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the supporting device of the present invention;

FIG. 3 is a schematic perspective view of a rotary device according to the present invention;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a schematic perspective view of the sliding device of the present invention;

fig. 6 is a schematic sectional view taken along line a-a of fig. 1.

Detailed Description

The adjustable drilling device for constructional engineering of the utility model is explained and explained in detail below with reference to the attached drawings.

As shown in figure 1, the utility model discloses an adjustable drilling device for constructional engineering, which mainly comprises a supporting device 1, a rotating device 2 and a sliding device 3. The support device 1 is provided with a liftable tray 11, the rotating device 2 is arranged above the tray 11 through the support device 1, the sliding device 3 is rotatably arranged on the rotating device 2, the sliding device 3 rotates in the circumferential direction of the rotating device 2, the sliding device 3 is provided with a sliding ring 31 on the sliding device 3, the lower end of the sliding ring 31 is hinged with a motor installation seat 4, an angle adjusting device 5 is arranged between the sliding ring 31 and the motor installation seat 4, the rotating angle between the motor installation seat 4 and the sliding ring 31 is controlled through the angle adjusting device 5, a motor 41 is fixedly connected to the lower end of the motor installation seat 4, and a drill bit 411 is arranged on an output shaft of the motor 41.

When the drilling tool is actually used, firstly, a plate needing drilling is placed on a tray; then, the sliding device 3 arranged on the rotating device 2 is rotated, and the sliding device 3 automatically rotates to realize circumferential adjustment of the horizontal position of the drill bit during rotation; the radial adjustment of the horizontal position of the drill bit is realized through a sliding ring 31 on the sliding and sliding device 3; make the angle between motor mount pad 4 and the sliding ring 31 change through angle regulation device 5, and then realize the regulation to the angle that drills into to drill bit 411, after adjusting the position of drilling into and drill bit 411 angle of drilling into well, open motor 41 and drive drill bit 411 and rotate, at last with tray 11 steady slow rising, accomplish the drilling operation. In summary, the drilling requirement can be realized in multiple directions and multiple angles.

As shown in fig. 1 in combination with fig. 2, in order to achieve enhanced structural stability, the supporting device 1 in the present embodiment specifically includes a spider 12, a supporting rod 13 and an electric push rod 14. The star connection yoke 12 includes three connection arms 121, one ends of the three connection arms 121 are commonly connected at the center of the star connection yoke 12, and the included angle between the three connecting arms 121 is set to be 120 degrees, so that the stress of the star-shaped connecting frame 12 is more uniform, a supporting rod 13 is vertically fixed at the other end of each of the three connecting arms 121, one end of the electric push rod 14 is fixed at the center of the star-shaped connecting frame 12, the other end of the electric push rod 14 is fixed at the center of the tray 11, a guide hole 111 corresponding to the supporting rod 13 is arranged on the tray 11, the supporting rod 13 penetrates through the guide hole 111 from bottom to top and then is fixedly connected with the rotating device 2, thus realizing the lifting operation of the tray 11, simultaneously three bracing pieces 13 play the guide effect in the lift in-process of tray 11, can effectively prevent 11 lift in-process of tray problem of yawing from appearing, have strengthened the holistic stability of structure.

As shown in fig. 2, in order to achieve the leveling function of the device, in the present embodiment, a nut sleeve 122 is fixed in the middle of the connecting arm 121, a threaded rod 123 is screwed in the nut sleeve 122, and a supporting plate 124 is fixed at the lower end of the threaded rod 123. The device can realize leveling through adjusting the position of every threaded rod 123 in nut cover 122 like this when putting the in-process to obtain bigger support area through setting up supporting disk 124, make bearing structure more stable can not cause the damage to ground simultaneously. In order to stabilize the guiding function of the supporting rod 13, a guiding groove 131 is symmetrically formed on each of two side walls of the supporting rod 13, the guiding groove 131 is designed in a cross shape, and the shape of the guiding hole 111 is the same as the shape of the cross section of the supporting rod 13.

As shown in fig. 1 and fig. 3 in combination with fig. 4, in order to make the sliding movement device 3 more stable in circumferential rotation, the rotating device 2 in the present embodiment specifically includes a fixed ring 21 and a rotating ring 22. Wherein fixed ring 21 and bracing piece 13 fixed connection, be equipped with circular recess 211 in fixed ring 21's upper end, rotate the circle 22 and connect in circular recess 211, let the upper end of circle 22 stretch out from circular recess 211, be equipped with locking device 6 in place on the circle 22 stretches out from circular recess 211, after rotation circle 22 rotated to the predetermined position locking device 6 moved and carries out the locking with the relative position of fixed ring 21 with rotation circle 22 to subsequent drilling operation. Specifically, the in-place locking device 6 specifically comprises a fixed plate 61 and a movable plate 62. The fixing plate 61 is fixed on the upper end surface of the rotating ring 22, two ends of the fixing plate 61 are respectively provided with a through hole, the upper end of the movable plate 62 is fixed with a handle 63, the lower end of the movable plate 62 is fixed with two pull rods 64 which are oppositely arranged, the pull rods 64 are sleeved with return springs 65, the upper ends of the return springs 65 are fixed on the lower end surface of the movable plate 62, the lower ends of the return springs 65 are fixed on the upper end surface of the fixing plate 61, the lower ends of the pull rods 64 penetrate through the through holes of the fixing plate 61, the lower ends of the pull rods 64 are fixed with friction discs 66, and the friction discs 66 are abutted against the upper end surface of the fixing ring 21 under the action of the return springs 65. With the above arrangement, in actual use, the friction disc 66 abuts against the upper end face of the fixed ring 21 in an initial state, so that the rotating ring 22 cannot rotate relative to the fixed ring 21, and the position of the drill bit is convenient to adjust radially; when the circumferential position of the drill bit needs to be adjusted, the friction disc 66 and the fixing ring 21 are separated through the upward lifting handle 63, and then the rotating ring 22 can be rotated by utilizing the lifting handle 63, so that the axial adjustment of the drill bit is realized; after the adjustment is completed, the handle 63 is released, and the friction disc 66 abuts against the upper end surface of the fixed ring 21 again under the action of the return spring 65, so that the rotating ring 22 is locked on the fixed ring 21.

As shown in fig. 1 and fig. 5 in combination with fig. 6, in order to realize stable sliding of the sliding ring 31, the sliding device 3 in this embodiment specifically includes two fixing frames 32 disposed oppositely, two ends of the two fixing frames 32 are both fixed on the rotating ring 22, and the opposite side surfaces of the two fixing frames 32 are provided with sliding grooves 321 that extend along the axis direction of the fixing frames and through the fixing frames 32 (i.e., the sliding grooves 321 penetrate the fixing frames 32, so that the fixing frames 32 are hollow structures with sliding grooves), and an auxiliary handle 311 is fixed at the upper end of the sliding ring 31, so as to facilitate sliding the sliding ring 31; the slide ring 31 is designed to be C-shaped, and a slide block 33 is fixed at each end of the C-shape of the slide ring 31, and the slide block 33 is installed in the slide groove 321. When the structure is specifically arranged, the sliding block 33 and the sliding ring 31 can be integrally formed and manufactured, so that the structural reliability is enhanced; the sliding block 33 is designed to be in a cross-shaped structure, and the sliding groove 321 is also designed to be in a cross-shaped groove which is the same as the sliding block 22, so that the sliding groove 321 can limit the sliding block 33, and the sliding block 33 is effectively prevented from sliding out of the sliding groove 321. All fixedly connected with a connecting rod 34 on the opposite face of two sliders 33, articulate motor mount pad 4 between two connecting rods 34. The motor mounting seat 4 is designed to be U-shaped, two side plates at the opening end of the U-shaped motor mounting seat 4 are correspondingly hinged to the connecting rods 34 (i.e., the two side plates at the opening end of the U-shaped motor mounting seat 4 are correspondingly hinged to the two connecting rods 34 one by one), and the motor 41 is fixedly connected to the closed end of the U-shaped motor mounting seat 4.

As shown in fig. 1 and 5 in combination with fig. 6, in order to adjust the drilling angle of the drill, the angle adjusting device 5 in this embodiment specifically includes a worm wheel 51, a worm 52, and a rotary table 53. The worm wheel 51 is fixedly connected to the inner side wall of the opening end of the U-shaped motor mounting seat 4 through a worm wheel rod 511, the middle part of the inner peripheral wall of the slip ring 31 is fixedly connected with two lug plates 312 at intervals along the front-back direction, the worm 52 is rotatably installed between the two lug plates 312, the rear end of the worm 52 is connected with the rotating disc 53, the worm wheel 51 is meshed with the worm 52, and the helix angle of the worm 52 is smaller than the friction angle of the worm wheel 51 contacting with the worm 52. Through the arrangement, when the helix angle of the worm 52 is small, the worm 52 can only drive the worm wheel 51 for transmission, and the worm wheel 51 cannot drive the worm 52 to rotate, so that the worm wheel 51 and the worm 52 are self-locked, and the motor mounting seat 4 can be effectively prevented from falling back after the angle is adjusted.

As shown in fig. 1, in order to improve the automation level of the entire device, a controller 7 is fixed to the outer peripheral wall of the fixed ring 21, and the controller 7 is electrically connected to the motor 41 and the electric push rod 14, respectively. It will be understood by those skilled in the art that the controller 7 may be implemented as a DSP (Digital Signal 5 processing) Digital Signal processor, an FPGA (Field-Programmable Gate Array), an mcu (microcontroller unit) system board, an soc (system on a chip) system board, or a plc (Programmable Logic controller) minimum system including I/O. The preset control logic can complete data analysis processing processes such as data receiving and sending, data unpacking, data protocol conversion, data content processing and the like, and realize automatic control of the motor 41 and the electric push rod 14.

In summary, the detailed working process of the present invention is as follows, firstly, the three support plates 124 rotate the three threaded rods 123, the three threaded rods 123 rotate to adjust the height positions of the three support plates 124 through the corresponding three nut sleeves 122, and then the star-shaped connecting frame 12 can be horizontally placed at a proper position after adjustment, then a plate to be drilled can be placed on the tray 11, then the handle 63 can be pulled to drive the movable plate 62 to move upwards, the movable plate 62 moves upwards to drive the two pull rods 64 to drive the two friction disks 66 to separate from the upper end of the fixed ring 21 against the pulling force of the two return springs 65, and then the handle 63 can drive the rotating ring 22 to rotate in the circular groove 211, and then the plane angle of the adjusting device can be adjusted, and then the plane angle positions of the motor 41 and the drill bit 411 can be adjusted, and after the plane angles of the motor 41 and the drill bit 411 are adjusted, the slide ring 31 can be pulled through the auxiliary handle 311 to move the two slide blocks 33 in the two slide grooves 321 Moving, so that the user can conveniently adjust the positions of the motor 41 and the drill 411 to drill different positions of the plate, and after adjusting the positions of the motor 41 and the drill 411, the user can also drive the worm 52 to stably rotate under the assistance of the two ear plates 312 through the turntable 53, so that the worm wheel 51 can be driven to cooperate with the connecting rod 34 to drive the motor mounting seat 4 to rotate, when the motor mounting seat 4 rotates, the relative position of the motor 41 and the worm 52 can be ensured through self-locking of the worm wheel 51 and the worm 52, so that the angle between the motor 41 and the drill 411 can be adjusted, after adjusting the drilling angle, the horizontal angle and the relative position of the motor 41 and the drill 411, the user can fix the adjusted positions of the motor 41 and the drill 411 through the auxiliary handle 311, so that the electric push rod 14 can be controlled to move upwards through the controller 7, so that the tray 53 can be driven to stably move upwards through the three guide holes 111, cooperate with the three support rods 13 and the guide grooves 131 formed in the three support rods 13, and then can carry out the drilling of boring the angle and boring the position more to panel on the tray 11, and then can guarantee the convenient regulatory functionality of the device.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and simplifications made in the spirit of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides an adjustable drilling equipment for building engineering which characterized in that: comprises a supporting device (1), a rotating device (2) and a sliding device (3), wherein a lifting tray (11) is arranged on the supporting device (1), the rotating device (2) is arranged above the tray (11) through the supporting device (1), the sliding device (3) is rotatably arranged on the rotating device (2), the sliding device (3) rotates in the circumferential direction through the rotating device (2), a sliding ring (31) is slidably arranged on the sliding device (3), a motor mounting seat (4) is hinged to the lower end of the sliding ring (31), an angle adjusting device (5) is arranged between the sliding ring (31) and the motor mounting seat (4), the angle adjusting device (5) controls the rotating angle between the motor mounting seat (4) and the sliding ring (31), and a motor (41) is fixedly connected to the lower end of the motor mounting seat (4), and a drill bit (411) is arranged on an output shaft of the motor (41).

2. An adjustable boring device for construction engineering according to claim 1, characterised in that: strutting arrangement (1) is including star type link (12), bracing piece (13) and electric push rod (14), star type link (12) is including three linking arm (121), and is three the center department at star type link (12) is connected jointly to the one end of linking arm (121), and is three the equal vertical fixation of the other end of linking arm (121) has bracing piece (13), the center department at star type link (12) is fixed to the one end of electric push rod (14), and the center department at tray (11) is fixed to the other end of electric push rod (14), be equipped with guiding hole (111) that correspond with bracing piece (13) on tray (11), bracing piece (13) are by lower supreme behind guide hole (111) and rotating device (2) fixed connection of passing.

3. An adjustable boring device for construction engineering according to claim 2, characterised in that: a nut sleeve (122) is fixed in the middle of the connecting arm (121), a threaded rod (123) is screwed in the nut sleeve (122), and a supporting plate (124) is fixed at the lower end of the threaded rod (123).

4. An adjustable boring device for construction engineering according to claim 2, characterised in that: two side walls of the supporting rod (13) are symmetrically provided with a guide groove (131) respectively, the guide groove (131) is in a cross shape, and the shape of the guide hole (111) is the same as that of the cross section of the supporting rod (13).

5. An adjustable boring device for construction engineering according to claim 2, characterised in that: rotating device (2) are including solid fixed ring (21) and rotation circle (22), gu fixed ring (21) and bracing piece (13) fixed connection, the upper end of solid fixed ring (21) is equipped with circular recess (211), rotation circle (22) rotate to be connected in circular recess (211), stretch out from circular recess (211) the upper end of rotation circle (22), rotate circle (22) and be equipped with locking device (6) that targets in place on circular recess (211) the extension, rotate circle (22) and rotate to the predetermined position after locking device (6) that targets in place and move and carry out the locking with the relative position of rotating circle (22) and solid fixed ring (21).

6. An adjustable boring device for construction engineering according to claim 5, wherein: the in-place locking device (6) comprises a fixed plate (61) and a movable plate (62), the fixed plate (61) is fixed on the upper end surface of the rotating ring (22), both ends of the fixed plate (61) are respectively provided with a through hole, a handle (63) is fixed at the upper end of the movable plate (62), two pull rods (64) which are oppositely arranged are fixed at the lower end of the movable plate (62), a return spring (65) is sleeved on the pull rod (64), the upper end of the return spring (65) is fixed on the lower end surface of the movable plate (62), the lower end of the return spring (65) is fixed on the upper end surface of the fixed plate (61), the lower end of the pull rod (64) penetrates out of the through hole of the fixing plate (61) and a friction disc (66) is fixed at the lower end of the pull rod (64), the friction disc (66) is abutted against the upper end face of the fixing ring (21) under the action of a return spring (65).

7. An adjustable boring device for construction engineering according to claim 5, wherein: the sliding device (3) comprises two oppositely arranged fixing frames (32), two ends of each fixing frame (32) are fixed on the rotating ring (22), two opposite side faces of the fixing frames (32) are provided with sliding grooves (321) which penetrate through the fixing frames (32) along the axis direction of the fixing frames, an auxiliary handle (311) is fixed at the upper end of the sliding ring (31), the sliding ring (31) is C-shaped, two ends of the C-shaped sliding ring (31) are respectively fixed with a sliding block (33), the sliding blocks (33) are installed in the sliding grooves (321), two connecting rods (34) are fixedly connected to opposite faces of the sliding blocks (33), and the motor mounting seat (4) is hinged between the two connecting rods (34).

8. An adjustable boring device for construction engineering according to claim 7, wherein: the motor mounting seat (4) is U-shaped, two side plates at the opening end of the U-shaped motor mounting seat (4) are correspondingly hinged with the connecting rod (34), and the motor (41) is fixedly connected to the closed end of the U-shaped motor mounting seat (4).

9. An adjustable boring device for construction engineering according to claim 8, wherein: the angle adjusting device (5) comprises a worm wheel (51), a worm (52) and a rotary table (53), the worm wheel (51) is fixedly connected to the inner side wall of the opening end of the U-shaped motor mounting seat (4) through a worm wheel rod (511), the middle part of the inner peripheral wall of the sliding ring (31) is fixedly connected with two lug plates (312) at intervals in the front-back direction, the worm (52) is rotatably installed between the two lug plates (312), the rear end of the worm (52) is connected with the rotary table (53), the worm wheel (51) is meshed with the worm (52), and the helix angle of the worm (52) is smaller than the friction angle of the contact between the worm wheel (51) and the worm (52).

10. An adjustable boring device for construction engineering according to claim 9, wherein: the controller (7) is fixed on the peripheral wall of the fixing ring (21), and the controller (7) is electrically connected with the motor (41) and the electric push rod (14) respectively.