CN111331171B

CN111331171B - Radial drill for civil air defense door

Info

Publication number: CN111331171B
Application number: CN202010183240.5A
Authority: CN
Inventors: 赵利军
Original assignee: Zhejiang Futeng Civil Air Defense Equipment Co ltd
Current assignee: Zhejiang Futeng Civil Air Defense Equipment Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2021-07-23
Anticipated expiration: 2040-03-16
Also published as: CN111331171A

Abstract

The invention relates to a radial drilling machine for a civil air defense door, which comprises a bottom plate, wherein a connecting plate is vertically and fixedly connected at a position, close to the side edge, of the bottom plate, a top plate is horizontally and fixedly connected at the top end of the connecting plate, a fixed shaft is vertically arranged on one surface, facing the ground, of the top plate, a rocker arm is rotatably connected onto the fixed shaft, a sliding rail is arranged on the rocker arm, a punching mechanism is connected onto the sliding rail in a sliding manner, and a sliding assembly used for driving the punching mechanism to slide along the length direction of the rocker arm is further arranged on the rocker arm; the punching mechanism comprises a shell connected with the sliding rail in a sliding mode, a sliding groove matched with the sliding rail in a sliding mode is formed in the side wall of the shell, a driving motor is arranged in the shell, a drill bit is arranged on the driving motor, a lifting assembly used for driving the drill bit to lift is further arranged in the punching mechanism, and a punching platform used for bearing punching materials is further arranged below the fixed shaft. The invention has the effect of improving the working range of the drilling machine and further punching large-scale raw materials.

Description

Radial drill for civil air defense door

Technical Field

The invention relates to the technical field of drilling machines, in particular to a radial drilling machine for a civil air defense door.

Background

The civil air defense door is a door used for an entrance and an exit of a civil protection project as the name suggests. People's air defense door need punch the door plant when processing.

As shown in fig. 1, the existing radial drilling machine includes a base 6, a column 61 is vertically and fixedly connected to the base 6, a working arm 62 is rotatably connected to the column 61, the working arm 62 is horizontally disposed, and a drilling mechanism 63 is slidably connected to the working arm 62. The drilling mechanism 63 includes a drilling motor 64 and a drill bit 35. A table 65 for performing a punching operation on the plate 5 is further provided below the drill 35 on the base 6. When the staff is using radial drill, at first place the raw materials that will wait to punch on workstation 65, then rotatory work arm 62 and control drilling mechanism 63 slide on work arm 62, and then adjust drill bit 35 to be located wait to punch the position directly over, then start drilling motor 64 and punch to panel 5.

However, in actual use, the existing radial drilling machine only has the working range of the sector area where the front working arm 62 of the drilling machine body can rotate, and the central angle of the sector area is smaller than 180 degrees because the upright post 61 is vertically arranged on one side. The door plate of the civil air defense door is generally large, and workers need to frequently adjust the position of the civil air defense door on the workbench 65 when punching the four corners of the civil air defense door, so that inconvenience is caused.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a radial drilling machine for a civil air defense door, which has the effects of improving the working range of the drilling machine and further punching large-scale raw materials.

The above object of the present invention is achieved by the following technical solutions:

a radial drilling machine for civil air defense doors comprises a bottom plate, wherein a connecting plate is vertically and fixedly connected to the position, close to the side edge, of the bottom plate, a top plate is horizontally and fixedly connected to the top end of the connecting plate, a fixed shaft is vertically arranged on one surface, facing the ground, of the top plate, a rocker arm is rotatably connected to the fixed shaft, a sliding rail is arranged on the rocker arm, a punching mechanism is connected to the sliding rail in a sliding mode, and a sliding assembly used for driving the punching mechanism to slide along the length direction of the rocker arm is further arranged on the rocker arm;

the punching mechanism comprises a shell connected with the sliding rail in a sliding mode, a sliding groove matched with the sliding rail in a sliding mode is formed in the side wall of the shell, a driving motor is arranged in the shell, an output shaft of the driving motor is vertically downwards arranged, a gearbox is fixedly connected to the output shaft of the driving motor, a drill bit is arranged at the output end of the gearbox, the drill bit is vertically downwards arranged and extends out of the shell, a lifting assembly used for driving the drill bit to lift is further arranged in the punching mechanism, and a punching platform used for bearing punching materials is further arranged below the fixed shaft.

Through adopting the above-mentioned technical scheme, when the staff used the civil air defense door radial drill, because the fixed axle rigid coupling is on the roof, thereby make the staff can place panel in the below of fixed axle, the staff can rotate the rocking arm and control the mechanism of punching and slide on the rocking arm and then punch to each position of panel, because the fixed axle sets up for hanging upside down, thereby space occupation when having reduced the fixed axle and found immediately, panel is placed the below at the fixed axle and is made the swing angle of rocking arm be greater than 180 degrees, thereby the working range of drilling machine has been increased, be convenient for the drilling machine to carry out the condition of different positions to great panel many times to punch, reduced because panel is too big, the staff need frequently move the condition of carrying panel, the convenience of work has been improved.

The present invention in a preferred example may be further configured to: the lifting assembly comprises a sliding seat arranged in the shell and connected with the shell in a sliding mode, the drill bit is connected with the sliding seat in a rotating mode, a plurality of connecting arms are fixedly connected to one face, back to the ground, of the sliding seat, strip-shaped teeth are arranged on one of the connecting arms, a lifting gear is meshed with the strip-shaped teeth, the lifting gear is connected with the shell in a rotating mode, and a lifting gear control rod convenient to rotate and rotate is arranged on the rotating shaft of the lifting gear and penetrates out of the shell in a rotating mode.

By adopting the technical scheme. When a worker punches the plate, the worker firstly starts the driving motor, after the drill bit works, the worker rotates the control rod, and the lifting gear rotates; through the intermeshing of lifting gear and strip tooth, and then the drive seat that slides in the shell along the direction of height to control the lift of drill bit and accomplish the work of punching. The setting of lifting unit makes the staff can be through revolving the lift of twisting the control lever and then control the drill bit, has improved the convenience of the operation of punching.

The present invention in a preferred example may be further configured to: the inner wall of the shell is further fixedly connected with a first clamping block and a second clamping block which are used for limiting the sliding distance of the sliding seat.

Through adopting above-mentioned technical scheme, the screens cooperation of first fixture block, second fixture block and the seat that slides has reduced the condition emergence that the seat that slides breaks away from the shell that leads to because the seat that slides excessively slides, has improved the stability of the seat work that slides.

The present invention in a preferred example may be further configured to: the top end of the connecting arm is fixedly connected with an extension spring, the other end of the extension spring is fixedly connected with the shell, and the drill bit is located at the highest position under the tension of the extension spring in a natural state.

Through adopting above-mentioned technical scheme, after punching the completion, the tension spring's that the seat received that slides pulling force and then slide on the seat and with the mutual screens of second fixture block to the staff of being convenient for carries out the operation of punching next time, has improved the convenience that the staff used the mechanism of punching.

The present invention in a preferred example may be further configured to: the sliding assembly comprises a sliding motor arranged on the rocker arm, a driving gear is coaxially fixedly connected to an output shaft of the sliding motor, a driving screw rod is connected to the rocker arm in a rotating mode, a driven gear meshed with the driving gear is fixedly connected to one end, close to the driving motor, of the driving screw rod, a driving block is fixedly connected to the shell, and the driving block is sleeved on the driving screw rod and is in threaded fit with the driving screw rod.

Through adopting above-mentioned technical scheme, work and then drive gear and rotate when the motor that slides, through drive gear and driven gear's intermeshing, and then make driven gear and drive screw rotate to drive the shell and slide along the length direction of rocking arm, the setting up of the subassembly that slides makes the mechanism of punching can slide along the length direction of rocking arm automatically under the drive of the motor that slides, thereby has improved the convenience that the mechanism of punching used.

The present invention in a preferred example may be further configured to: the part of the fixed shaft close to the ground is provided with external threads, the rocker arm is sleeved on the fixed shaft, a fixed disc for jacking the fixed rocker arm is arranged below the rocker arm, the fixed disc is sleeved on the fixed shaft, and a thrust bearing is further arranged between the fixed disc and the rocker arm.

The present invention in a preferred example may be further configured to: the punching platform comprises a bearing box with an upper end opening, a plurality of bearing plates which are parallel to each other are fixedly connected to the upper end of the bearing box, a gap which is convenient for punching of a drill bit is reserved between the plurality of bearing plates, and the bearing plates are rotatably connected with rotating rollers which are convenient for workers to move plates.

Through adopting above-mentioned technical scheme, when panel was placed on the surface of accepting the board, roll on the live-rollers surface through panel to the removal of panel on accepting the board of being convenient for has improved the convenience that the staff adjusted panel and placed the position on accepting the board.

The present invention in a preferred example may be further configured to: the punching platform is further provided with a fixing assembly for fixing the plate, the fixing assembly comprises a fixed plate fixedly connected to one side of the punching platform, a clamping plate arranged on the other side of the punching platform is arranged, one surface of the clamping plate, which is far away from the fixed plate, is fixedly connected with a clamping screw, an ear plate is sleeved on the clamping screw, the ear plate is in threaded connection with the clamping screw, and the ear plate is fixedly connected to the punching platform.

Through adopting above-mentioned technical scheme, place back on accepting the board when panel, the staff can make splint remove to the direction of fixed plate through the rotation of control centre gripping screw rod to fixed plate and splint are fixed with the panel centre gripping, and then have improved the stability that panel placed on the platform that punches.

The present invention in a preferred example may be further configured to: and a cushion block used for adjusting the position of the plate to be punched on the punching platform is arranged on one surface of the fixing plate facing the clamping plate.

Through adopting above-mentioned technical scheme, through the regulation of cushion to panel position to make the position of punching on the panel can be adjusted two again and accept between the board, the setting up of cushion has improved the convenience of accepting the board and punching, and the staff can add the cushion of establishing different quantity according to actual conditions, thereby has improved the work efficiency who punches.

The present invention in a preferred example may be further configured to: the punching platform is internally provided with a support assembly which is convenient for placing and carrying a plate on the punching platform, the support assembly comprises two parallel lifting frames, each lifting frame comprises a first lifting arm and a second lifting arm, the middle parts of the first lifting arm and the second lifting arm are mutually hinged to form an X shape, the top end of each lifting frame is horizontally provided with a bearing beam, the bearing beam is rotationally connected with the first lifting arm, and the bearing beam is connected with the second lifting arm in a sliding manner; the lower end of the second lifting arm is rotatably connected with the bottom surface of the bearing box, and the lower end of the first lifting arm is provided with a pulley which rolls on the bottom surface of the bearing box; a first connecting pipe, a second connecting pipe and a connecting shaft are arranged between the two lifting frames, and the first connecting pipe and the second connecting pipe are positioned below the connecting shaft; two ends of the first connecting pipe are respectively connected with the two first lifting arms in a rotating manner. The second connecting pipes are respectively connected with the two second lifting arms in a rotating way. The second connecting pipe is also rotatably connected with a lifting screw rod, and the lifting screw rod penetrates through the first connecting pipe and is in threaded fit with the first connecting pipe.

Through adopting above-mentioned technical scheme, control the lifting screw to rotate when the staff, and make first connecting pipe and second connecting pipe when being close to each other, thereby the bearing beam risees panel from the surperficial jack-up of accepting the roller, and then made things convenient for staff's transport panel, when panel slided along the length direction who accepts the board on the platform that punches has been reduced, because the setting of live-rollers, the edge of panel and the tip screens of live-rollers, thereby the inconvenient condition of placing panel on the platform that punches, the convenience that the staff used has been improved.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the working range of the radial drilling machine for the civil air defense door is widened, and a worker can place a plate below the fixed shaft, so that the working rotating angle of the radial arm is larger, and the working range of the drilling machine is widened;

2. the convenience of adjusting the position of the plate on the punching platform is improved, the convenience of moving the plate by workers is improved through the rolling of the plate on the circumferential surface of the rotating roller, then the workers can add the cushion blocks between the fixed plate and the plate, and the hand wheel is rotated, so that the plate is fixed by the fixing assembly, the positions of the plate can be adjusted by the workers, and the convenience of punching is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a prior art radial drill;

FIG. 2 is a schematic overall structure diagram of a radial drilling machine for a civil air defense door;

FIG. 3 is a schematic view showing the connection of the rocker arm to the hole punch mechanism;

FIG. 4 is a schematic view showing the internal structure of the housing and showing the glide assembly;

FIG. 5 is a schematic view of a punching platform;

FIG. 6 is an enlarged view of detail A of FIG. 5;

fig. 7 is a schematic structural view of the lifting assembly.

In the figure, 1, a bottom plate; 11. a connecting plate; 12. a top plate; 13. reinforcing ribs; 14. a fixed shaft; 141. fixing the disc; 142. a thrust bearing; 2. a rocker arm; 21. a slide rail; 22. a slipping component; 23. a drive screw; 24. a slip motor; 25. a drive gear; 26. a driven gear; 27. a drive block; 3. a punching mechanism; 31. a housing; 32. a chute; 33. a drive motor; 34. a gearbox; 35. a drill bit; 36. a lifting assembly; 361. a sliding seat; 362. a connecting arm; 363. strip-shaped teeth; 364. a lifting gear; 365. a control lever; 366. an extension spring; 367. a first clamping block; 368. a second fixture block; 4. a punching platform; 41. a receiving box; 42. a bearing plate; 43. a fixing assembly; 431. a fixing plate; 432. an ear plate; 433. clamping the screw rod; 434. a splint; 435. a hand wheel; 44. cushion blocks; 45. a rotating roller; 46. a support assembly; 461. a lifting frame; 462. a first lifting arm; 463. a second lifting arm; 464. a support beam; 465. a pulley; 466. a first connecting pipe; 467. a second connecting pipe; 468. a connecting shaft; 469. a lifting screw; 47. rotating the motor; 5. a plate material; 6. a base; 61. a column; 62. a working arm; 63. a drilling mechanism; 64. a drilling motor; 65. a work bench.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2, the radial drilling machine for the civil air defense door disclosed by the invention comprises a bottom plate 1 arranged on the ground, a connecting plate 11 is vertically and fixedly connected to one side of the bottom plate 1, a top plate 12 is horizontally and fixedly connected to the top end of the connecting plate 11, in order to enhance the connection strength between the connecting plate 11 and the bottom plate 1 and between the top plates 12, a plurality of reinforcing ribs 13 are fixedly connected to two ends of the connecting plate 11, and the reinforcing ribs 13 are fixedly connected with the corresponding bottom plate 1 or top plate 12 respectively. A fixed shaft 14 is vertically and fixedly connected to the lower surface of the top plate 12, a rocker arm 2 is rotatably connected to the fixed shaft 14, and a punching mechanism 3 for punching the plate 5 is slidably connected to the rocker arm 2. A punching platform 4 for receiving a plate 5 to be punched is further arranged below the rocker arm 2.

As shown in fig. 3, the swing arm 2 is sleeved on the fixed shaft 14 and is rotatably connected with the fixed shaft 14, and the circumferential surface of the fixed shaft 14 near the lower end is provided with external threads. A fixed disk 141 is arranged below the rocker arm 2, the fixed disk 141 is sleeved on the fixed shaft 14 and is in threaded connection with the fixed shaft 14, a thrust bearing 142 is further arranged on one surface of the fixed disk 141 facing the rocker arm 2, one end of the thrust bearing 142 abuts against the surface of the fixed disk 141, and the other end of the thrust bearing 142 abuts against the surface of the rocker arm 2. When a worker installs the rocker arm 2 on the fixed shaft 14, the worker firstly sleeves the rocker arm 2 on the fixed shaft 14, sequentially installs the thrust bearing 142 and the fixed disk 141 below the rocker arm 2, and supports the rocker arm 2 through the threaded fit between the fixed disk 141 and the fixed shaft 14. The thrust bearing 142 reduces the friction between the rocker arm 2 and the fixed disk 141 when the rocker arm rotates, reduces the loss of parts, and improves the stability of the rocker arm 2 when the rocker arm is used.

As shown in fig. 3 and 4, a slide rail 21 is fixedly connected to the rocker arm 2 along the length direction of the rocker arm 2, the punching mechanism 3 is connected to the rocker arm 2 by sliding the slide rail 21, the punching mechanism 3 includes a housing 31, and a sliding slot 32 mutually matched with the slide rail 21 is formed in one surface of the housing 31 facing the rocker arm 2. The rocker arm 2 is also internally provided with a sliding component 22 for driving the punching mechanism 3 to slide along the length direction of the rocker arm 2. The sliding assembly 22 comprises a driving screw 23, the driving screw 23 is arranged in the rocker arm 2, the length direction of the driving screw 23 is parallel to the length direction of the rocker arm 2, and the driving screw 23 is rotatably connected with the rocker arm 2; the end of the rocker arm 2 far away from the shell 31 is provided with a sliding motor 24, an output shaft of the sliding motor 24 is sleeved with a driving gear 25, the driving gear 25 is engaged with a driven gear 26, the driven gear 26 is sleeved on the driving screw 23 and coaxially fixedly connected with the driving screw 23, the driving screw 23 is further sleeved with a driving block 27, the driving block 27 is in threaded fit with the driving screw 23, and the driving block 27 is fixedly connected on the shell 31. Work and then drive gear 25 and rotate when the motor 24 that slides, through drive gear 25 and driven gear 26's intermeshing, and then make driven gear 26 and drive screw 23 rotate to drive shell 31 and slide along the length direction of rocking arm 2, the setting up of subassembly 22 that slides makes the mechanism of punching 3 can slide along the length direction of rocking arm 2 automatically under the drive of the motor 24 that slides, thereby has improved the convenience that the mechanism of punching 3 used.

As shown in fig. 3 and 4, the lower end of the housing 31 is open, a drill bit 35 is disposed in the housing 31, the drill bit 35 is disposed vertically downward, a driving motor 33 is disposed at the upper end of the drill bit 35, an output shaft of the driving motor 33 is disposed vertically downward, a gear box 34 is fixedly connected to the output shaft of the driving motor 33, and an output end of the gear box 34 is fixedly connected to the drill bit 35. The shell 31 is further internally provided with a lifting assembly 36 for controlling the lifting of the drill bit 35, the lifting assembly 36 comprises a sliding seat 361 which is arranged in the shell 31 and connected with the shell 31 in a sliding manner, the sliding seat 361 is a square plate, and the drill bit 35 penetrates out of the shell 31 from the center of the sliding seat 361 downwards and is connected with the sliding seat 361 in a rotating manner. The upper surface of the sliding seat 361 is vertically and fixedly connected with connecting arms 362, and the four connecting arms 362 are arranged and respectively distributed at four corners of the sliding seat 361. One of the connecting arms 362 is provided with a strip-shaped tooth 363, the strip-shaped tooth 363 is engaged with a lifting gear 364, the lifting gear 364 is rotatably connected with the side wall of the housing 31, and a rotating shaft of the lifting gear 364 penetrates through the side wall of the housing 31 and is fixedly connected with a control rod 365 at the outer side of the housing 31. When the drill 35 is rotated under the control of the driving motor 33, the worker may control the elevation of the drill 35 by screwing the control lever 365, thereby performing a punching operation on the plate 5 located below the drill 35. An extension spring 366 is further fixed to the top end of the connecting arm 362, and the other end of the extension spring 366 is fixed to the housing 31. A first clamping block 367 and a second clamping block 368 which are used for limiting the sliding distance of the sliding seat 361 are further fixedly connected to the inner wall of the shell 31, the first clamping block 367 is located below the sliding seat 361, and the second clamping block 368 is located above the sliding seat 361. In a natural state, the sliding seat 361 is located at the highest position of the sliding range due to the pulling force of the extension spring 366, and is mutually clamped with the second clamping block 368. When the worker punches the plate 5, the worker first starts the driving motor 33, and after the drill 35 works, the worker rotates the control lever 365 and slides the sliding seat 361 downward, thereby punching the plate 5. When the sliding seat 361 slides to be mutually clamped with the first clamping block 367, the first clamping block 367 limits the continuous sliding of the sliding seat 361, and at the moment, the drill 35 completely penetrates through the plate 5 and completes the punching. The first clamping block 367, the second clamping block 368 and the sliding seat 361 are matched in a clamping manner, so that the situation that the sliding seat 361 is separated from the shell 31 due to excessive sliding of the sliding seat 361 is reduced, and the working stability of the sliding seat 361 is improved. After punching, the pulling force of extension spring 366 that the seat 361 received that slides and then slide on the seat 361 and with the mutual screens of second fixture block 368 to be convenient for the staff carries out the operation of punching next time, improved the convenience that the staff used mechanism 3 of punching.

When the staff uses civil air defense door radial drill, because the fixed axle 14 rigid coupling is on roof 12, thereby make the staff can place panel 5 in the below of fixed axle 14, the staff can rotate rocking arm 2 and control the mechanism 3 that punches and slide on rocking arm 2 and then punch to each position of panel 5, because fixed axle 14 sets up for hanging down, thereby space occupation when having reduced fixed axle 14 and found immediately, panel 5 is placed and is made rocking arm 2's swing angle be greater than 180 degrees in the below of fixed axle 14, thereby the working range of drilling machine has been increased, be convenient for the drilling machine to carry out the multiple punching of different positions to great panel 5, it is too big to have reduced because panel 5, the staff need frequently move the condition of carrying panel 5, the convenience of work has been improved.

As shown in fig. 5 and 6, a punching platform 4 is further disposed below the punching mechanism 3, the punching platform 4 includes a receiving box 41 fixedly connected to the base plate 1, a plurality of receiving plates 42 are fixedly connected to the receiving box 41 in parallel at the port, and a gap for accommodating the drill bit 35 to extend into is left between the receiving plates 42. It is used for carrying out the fixed subassembly 43 that fixes to placing panel 5 on accepting case 41 to hold still the rigid coupling on case 41, fixed subassembly 43 includes the fixed plate 431 of rigid coupling in accepting case 41 one side, it has an otic placode 432 to accept case 41 and keep away from one side rigid coupling of accepting board 42, wear to be equipped with a clamping screw 433 on the otic placode 432, clamping screw 433 and otic placode 432 threaded connection, and clamping screw 433 is provided with a splint 434 towards the one end of fixed plate 431 perpendicularly, splint 434 and clamping screw 433 rotate and be connected. The coaxial rigid coupling of clamping screw 433 one end of keeping away from splint 434 has a hand wheel 435, and after panel 5 placed on accepting the board 42, the staff can make splint 434 move to the direction of fixed plate 431 through revolving to hand wheel 435 is twisted to fixed plate 431 and splint 434 are fixed with the centre gripping of panel 5, and then have improved the stability that panel 5 placed on punching platform 4. A plurality of rotating rollers 45 (shown in fig. 7) are embedded in the upper surface of the receiving plate 42, the rotating rollers 45 are rotatably connected with the receiving plate 42, and the axis of the rotating rollers 45 is parallel to the length direction of the receiving plate 42. When the plate 5 is placed on the surface of the bearing plate 42, the plate 5 rolls on the surface of the rotating roller 45, so that the plate 5 can move on the bearing plate 42 conveniently, and the convenience of workers for adjusting the placement position of the plate 5 on the bearing plate 42 is improved. When panel 5 position of punching in advance just in time being located directly over accepting board 42, still be provided with cushion 44 between fixed plate 431 and the panel 5, cushion 44 is provided with a plurality of, through the regulation of cushion 44 to panel 5 position, thereby make the position of punching on panel 5 can readjust two accept between the board 42, the setting of cushion 44 has improved the convenience of accepting the board 42 and punching, thereby the staff can be according to actual conditions, add the cushion 44 of establishing different quantity and has improved the work efficiency who punches.

As shown in fig. 7, in order to facilitate the worker to place and remove the sheet 5 on and from the surface of the punching platform 4, a support assembly 46 is further provided in the receiving box 41, the support assembly 46 includes two lifting frames 461 disposed in parallel, the lifting frames 461 include a first lifting arm 462 and a second lifting arm 463, and the first lifting arm 462 and the second lifting arm 463 are hinged to each other at the middle portion and are X-shaped. The top of crane 461 is also provided with a supporting beam 464, the upper end of the first supporting arm is hinged with supporting beam 464, the second lifting arm 463 is connected with supporting beam 464 in a sliding manner, the lower end of the first supporting arm is connected with a pulley 465 in a rotating manner, the peripheral surface of pulley 465 is attached to the bottom wall of the receiving box 41, so that the pulley 465 can roll on the bottom surface of the receiving box 41, and the lower end of the second supporting arm is connected with the bottom wall of the receiving box 41 in a rotating manner. Each of the lifting brackets 461 is located directly below the gap between the receiving plate 42 and the receiving plate 42, and when the support beam 464 is lifted upwards, the support beam 464 can be extended out of the gap and abut against the surface of the plate 5, so as to lift the plate 5. A first connecting pipe 466, a second connecting pipe 467 and a connecting shaft 468 are also arranged between the two lifting frames 461; wherein the connecting shaft 468 is located above the first connecting pipe 466 and the second connecting pipe 467, and both ends of the connecting shaft are coaxially and fixedly connected with the hinge shafts of the first lifting arm 462 and the second lifting arm 463 of the lifting frames 461 at both sides. The first connecting pipe 466 and the second connecting pipe 467 are both horizontally disposed, and both ends of the first connecting pipe 466 are rotatably connected to the two first elevating arms 462, and both ends of the second connecting pipe 467 are rotatably connected to both ends of the second elevating arm 463. A lifting screw 469 is simultaneously threaded through the first connecting pipe 466 and the second connecting pipe 467, and the lifting screw 469 is rotatably connected with the second connecting pipe 467 and is in threaded connection with the first connecting pipe 466. The end of the lifting screw 469 is also coaxially and fixedly connected with a rotating motor 47. When rotating motor 47 work, and when controlling first connecting pipe 466 and second connecting pipe 467 and being close to each other, thereby bearing beam 464 risees panel 5 from the surface jack-up of bearing roller, and then made things convenient for staff's transport to bear board 42, reduced because the setting of live-rollers 45, when influencing panel 5 and following the length direction who bears board 42 on punching platform 4 and slide, the edge of panel 5 and the tip screens of live-rollers 45, thereby the inconvenient condition of placing panel 5 on punching platform 4, the convenience that the staff used has been improved, in order to make support assembly 46 not influence normal work of punching, after panel 5 is placed on punching platform 4, bearing beam 464's upper surface is less than the upper surface who bears board 42, thereby made things convenient for punching of drilling machine.

The implementation principle of the embodiment is as follows: when a worker uses the radial drill for civil air defense doors to punch the plate material 5, the worker first raises the support assembly 46 and places the plate material 5 on the two support beams 464, and then the worker controls the support assembly 46 to descend so that the plate material 5 is placed on the receiving plate 42 and is in contact with the circumferential surface of the rotating roller 45, and at this time, the support beams 464 fall below the receiving plate 42. Then the staff rotates the rocker arm 2 and controls the shell 31 to slide on the rocker arm 2, so that the drill 35 is located right above the position to be punched of the plate 5, then the staff starts the driving motor 33, the drill 35 rotates the rotation control rod 365 so that the drill 35 descends, and further the punching operation of the plate 5 is completed.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a people's air defense is radial drill for door, includes bottom plate (1), its characterized in that: a connecting plate (11) is vertically and fixedly connected to a position, close to the side edge, of the bottom plate (1), a top plate (12) is horizontally and fixedly connected to the top end of the connecting plate (11), a fixed shaft (14) is vertically arranged on one surface, facing the ground, of the top plate (12), a rocker arm (2) is rotatably connected to the fixed shaft (14), a sliding rail (21) is arranged on the rocker arm (2), a punching mechanism (3) is connected to the sliding rail (21) in a sliding mode, and a sliding assembly (22) used for driving the punching mechanism (3) to slide along the length direction of the rocker arm (2) is further arranged on the rocker arm (2);

the punching mechanism (3) comprises a shell (31) connected with the sliding rail (21) in a sliding mode, a sliding groove (32) matched with the sliding rail (21) to slide is formed in the side wall of the shell (31), a driving motor (33) is arranged in the shell (31), an output shaft of the driving motor (33) is vertically arranged downwards, a gear box (34) is further fixedly connected to the output shaft of the driving motor (33), a drill bit (35) is arranged at the output end of the gear box (34), the drill bit (35) is vertically arranged downwards and extends out of the shell (31), a lifting assembly (36) used for driving the drill bit (35) to lift is further arranged in the punching mechanism (3), and a punching platform (4) bearing punching materials is further arranged below the fixed shaft (14);

the punching platform (4) comprises a bearing box (41) with an opening at the upper end, the upper end of the bearing box (41) is fixedly connected with a plurality of bearing plates (42) which are parallel to each other, a gap which is convenient for a drill bit (35) to punch is reserved between the plurality of bearing plates (42), and the bearing plates (42) are rotatably connected with rotating rollers (45) which are convenient for workers to move the plates (5);

the punching platform (4) is internally provided with a supporting component (46) which is convenient for placing and carrying a plate (5) on the punching platform (4), the supporting component (46) comprises two lifting frames (461) which are arranged in parallel, each lifting frame (461) comprises a first lifting arm (462) and a second lifting arm (463), the first lifting arm (462) and the second lifting arm (463) are hinged to each other in the middle to form an X shape, the top end of each lifting frame (461) is horizontally provided with a supporting beam (464), the supporting beam (464) is rotationally connected with the first lifting arm (462) in a rotating mode, and the supporting beam (464) is connected with the second lifting arm (463) in a sliding mode; the lower end of the second lifting arm (463) is rotatably connected with the bottom surface of the receiving box (41), the lower end of the first lifting arm (462) is provided with a pulley (465), and the pulley (465) rolls on the bottom surface of the receiving box (41); a first connecting pipe (466), a second connecting pipe (467) and a connecting shaft are further arranged between the two lifting frames (461), and the first connecting pipe (466) and the second connecting pipe (467) are positioned below the connecting shaft; two ends of the first connecting pipe (466) are respectively and rotatably connected with the two first lifting arms (462); the second connecting pipe (467) is respectively connected with the two second lifting arms (463) in a rotating way; the second connecting pipe (467) is also rotatably connected with a lifting screw rod (469), and the lifting screw rod (469) passes through the first connecting pipe (466) and is in threaded fit with the first connecting pipe (466).

2. The radial drilling machine for the civil air defense door of claim 1, characterized in that: lifting unit (36) including set up in shell (31) and with shell (31) the seat (361) that slides of being connected, drill bit (35) rotate with the seat (361) that slides and be connected, the seat (361) that slides deviates from the one side rigid coupling on ground has a plurality of linking arms (362), has seted up strip tooth (363) on one of them linking arm (362), the meshing has a lifting gear (364) on strip tooth (363), lifting gear (364) rotate with shell (31) to be connected and the axis of rotation of lifting gear (364) is worn out shell (31) and rigid coupling has a control lever (365) of being convenient for twist lifting gear (364).

3. The radial drilling machine for the civil air defense door of claim 2, characterized in that: the inner wall of the shell (31) is fixedly connected with a first clamping block (367) and a second clamping block (368) which are used for limiting the sliding distance of the sliding seat (361).

4. The radial drilling machine for the civil air defense door of claim 3, characterized in that: an extension spring (366) is fixedly connected to the top end of the connecting arm (362), the other end of the extension spring (366) is fixedly connected with the shell (31), and the drill bit (35) is located at the highest position under the tension of the extension spring (366) in a natural state.

5. The radial drilling machine for the civil air defense door of claim 1, characterized in that: slip subassembly (22) including setting up motor (24) that slides on rocking arm (2), the coaxial rigid coupling has a drive gear (25) on the output shaft of motor (24) that slides, rocking arm (2) internal rotation is connected with a drive screw (23), the one end rigid coupling that drive screw (23) are close to drive motor (33) has one driven gear (26) with drive gear (25) meshing, the rigid coupling has a drive block (27) on shell (31), drive block (27) cover is established on drive screw (23) and with drive screw (23) screw-thread fit.

6. The radial drilling machine for the civil air defense door of claim 1, characterized in that: the part of the fixed shaft (14) close to the ground is provided with external threads, the rocker arm (2) is sleeved on the fixed shaft (14), a fixed disc (141) used for jacking and fixing the rocker arm (2) is arranged below the rocker arm (2), the fixed disc (141) is sleeved on the fixed shaft (14), and a thrust bearing (142) is further arranged between the fixed disc (141) and the rocker arm (2).

7. The radial drilling machine for the civil air defense door of claim 1, characterized in that: still be provided with on the platform (4) of punching and be used for carrying out fixed subassembly (43) to panel (5), fixed subassembly (43) include the rigid coupling at fixed plate (431) of platform (4) one side of punching, set up splint (434) at platform (4) opposite side of punching, the perpendicular rigid coupling in one side that splint (434) deviate from fixed plate (431) has a clamping screw (433), the cover is equipped with otic placode (432) on clamping screw (433), otic placode (432) and clamping screw (433) threaded connection to otic placode (432) rigid coupling is on platform (4) of punching.

8. The radial drilling machine for the civil air defense door of claim 7, wherein: and a cushion block (44) for adjusting the position of the plate (5) to be punched on the punching platform (4) is arranged on one surface of the fixing plate (431) facing the clamping plate (434).