CN111101850B

CN111101850B - Punching device with protective structure for bridge building

Info

Publication number: CN111101850B
Application number: CN201911287789.2A
Authority: CN
Inventors: 寇俊祥; 高月民; 张小辉
Original assignee: Jiangxi Xiangyu Construction Co ltd
Current assignee: Jiangxi Xiangyu Construction Co.,Ltd.
Priority date: 2019-12-15
Filing date: 2019-12-15
Publication date: 2021-07-09
Anticipated expiration: 2039-12-15
Also published as: CN111101850A

Abstract

The invention discloses a punching device with a protection structure for a bridge building, which comprises a device shell, a driving motor, a water pump, a sludge pump and an integrated switch, wherein the driving motor is fixedly installed inside the device shell, a transmission mechanism is installed below the device shell, the transmission mechanism comprises a rotating rod, the rotating rod is embedded in the middle position of the bottom of the device shell through a bearing, a transmission sleeve is fixedly installed above the rotating rod, a transmission insertion block is inserted above the transmission sleeve, a connecting sleeve is fixedly installed below the rotating rod, a connecting insertion block is inserted below the connecting sleeve, and a punching mechanism is installed below the connecting insertion block. According to the invention, the grinding and cutting blade is arranged at the bottom of the device, so that the hole opening operation can be carried out through grinding, fragments generated by drilling can be effectively prevented from splashing to cause damage to constructors, and the fixed cross beam and the movable cross beam can be slidably adjusted, so that the hole opening diameter of the device can be flexibly adjusted.

Description

Punching device with protective structure for bridge building

Technical Field

The invention relates to the technical field of bridge punching equipment, in particular to a punching device with a protective structure for a bridge building.

Background

With the movement of human life tracks, in order to realize high-speed development of economy, it has become necessary to open both sides of each river, and in the current technical means, a bridge is usually built on the river surface to connect both sides of the river, so that the bridge is common, and the existing bridge usually needs to be punched in the building process to meet the operation requirements during building.

In the existing bridge construction process, drilling operation is mostly carried out by adopting equipment such as a drill bit, a hole saw and the like, and hard impact is generated when the bridge is used, so that powder and fragments splash everywhere and are easy to cause injury to constructors;

in addition, the drilling position of the existing drilling device for the bridge building is not convenient to adjust, and the specification of the drill bit needs to be changed if the drilling diameter needs to be changed during use, so that the drilling device is inconvenient to use, and therefore, in order to solve the problems, the drilling device with the protection structure for the bridge building is provided.

Among the prior art, the convenient to use punching device for bridge building of public No. 201710711763.0 public a, including the U-shaped board, the spout has all been seted up to the both sides of U-shaped inboard wall, and sliding rod connection is passed through to the top and the bottom of spout inner wall, and sliding connection has the slider on the slide bar in the spout and cup joint, damping spring has been cup jointed to the top that just is located the slider on the slide bar, damping spring's both ends respectively with the top of spout inner wall and the top fixed connection of slider, the top fixedly connected with telescopic cylinder of U-shaped inboard wall, the device is through the improvement to the drill bit for can stably punch to the road surface, but the device is not convenient for adjust the size of punching according to actual trompil demand, and the operation is not.

Disclosure of Invention

The invention aims to provide a punching device with a protective structure for a bridge building, and aims to solve the problems that scraps produced by punching by adopting a drill bit in the existing punching device for the bridge building in the background art are easy to harm constructors, and the aperture of a drilled hole is inconvenient to adjust.

In order to achieve the purpose, the invention provides the following technical scheme: a punching device with a protection structure for a bridge building comprises a device shell, a driving motor, a water pump, a sludge pump and an integrated switch, wherein the driving motor is fixedly arranged in the device shell, a transmission mechanism is arranged below the device shell and comprises a rotating rod, the rotating rod is embedded in the middle position of the bottom of the device shell through a bearing, a transmission sleeve is fixedly arranged above the rotating rod, a transmission insert block is inserted above the transmission sleeve, a connecting sleeve is fixedly arranged below the rotating rod, a connecting insert block is inserted below the connecting sleeve, a punching mechanism is arranged below the connecting insert block and comprises a rotating rod, the upper end of the rotating rod is welded and fixed at the bottom of the connecting insert block, a supporting disk is fixedly arranged below the rotating rod, and a fixed cross beam is uniformly fixed on the outer side of the supporting disk, a movable cross beam is inserted above the fixed cross beam, abrasive cutting blades are fixed at the bottoms of the supporting disk, the fixed cross beam and the movable cross beam through bolts, an adjusting mechanism is arranged above the supporting disk and comprises a screw rod, the screw rod is hinged on the supporting disk through a support, a bevel gear is fixed at one end of the screw rod close to the supporting disk, a movable screw sleeve is sleeved at the middle position of the bevel gear, an adjusting block is fixedly arranged at the other end of the screw rod, a fixed sleeve is sleeved at the outer side of the screw rod, a water supply mechanism is arranged at the outer side of the device shell and comprises a water pump, the water pump is fixed above the outer side of the device shell through the support, a connecting pipe is fixedly arranged at a water outlet of the water pump, a spray head is fixed below the outer side of the device shell, and a sludge, the device shell's inside is inlayed and is had the desilting pipe, the handle is installed to the symmetry on the outer wall of device shell, and wherein a set of the top of handle is fixed and is installed integrated switch, there is guard flap the below of handle through the bolt fastening.

Preferably, the inner wall of the transmission sleeve is square column-shaped, the outer wall of the transmission insert block is matched with the inner wall of the transmission sleeve, the transmission insert block is connected with the transmission sleeve in a sliding mode, and the upper end of the transmission insert block is fixedly welded on a power output shaft of the driving motor.

Preferably, the inner wall of the connecting sleeve is square column shaped, the outer wall of the connecting insert block is matched with the inner wall of the connecting sleeve, the connecting insert block is connected with the connecting sleeve in a sliding mode, the side wall of the connecting sleeve is provided with a threaded hole, a bolt is inserted into the threaded hole, and a thread on the outer wall of the bolt is matched with the threaded hole in the side wall of the connecting sleeve.

Preferably, the movable cross beam is internally provided with a sliding groove, the cleaning surface of the sliding groove is inverted trapezoid, a sliding block is welded above the fixed cross beam and is matched with the sliding groove formed in the movable cross beam, and the movable cross beam is in sliding telescopic connection with the fixed cross beam through the sliding groove and the sliding block.

Preferably, the fixed cross beams and the movable cross beams are all provided with six groups, and the six groups of the fixed cross beams and the six groups of the movable cross beams are respectively and uniformly arranged on the outer wall of the supporting disk.

Preferably, the movable threaded sleeve is rotatably connected with the supporting disc through a support, threads are uniformly assembled on the outer wall of the screw rod, threads are uniformly assembled on the inner wall of the movable threaded sleeve, the threads on the inner wall of the movable threaded sleeve are matched with the threads on the outer wall of the screw rod, the movable threaded sleeve is rotatably connected with the threads of the screw rod through meshing of the threads, and the movable threaded sleeve is fixed on the movable cross beam.

Preferably, the fixed sleeve is fixed on the fixed cross beam, the adjusting block is rotatably connected with the fixed sleeve, and the inner wall of the adjusting block is provided with a regular hexagon through hole.

Preferably, the adjusting mechanisms are provided with six groups, the six groups of adjusting mechanisms are respectively and symmetrically arranged on the six groups of fixed cross beams and the six groups of movable cross beams, the thread directions of the screws in the two adjacent groups of adjusting mechanisms are opposite, and the six groups of bevel gears are mutually meshed and connected.

Preferably, the other end of the connecting pipe is fixed at a water inlet of the spray head, and one end of the sludge discharge pipe is fixed at a water outlet of the sludge pump.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up the water pump in the water supply mechanism with water through the shower nozzle blowout, take mud out through silt pump work simultaneously, restrain the dust of the device during operation and fly upward, effectually prevent the harm of piece dust to constructor, simultaneously, set up the guard shield cover and establish in the below of handle, prevent that during operation mud from splashing constructor on one's body, strengthened the device's protectiveness greatly.

2. Install in the device's bottom through setting up the mill and cut the blade, utilize the mill to cut the blade and replace the drill bit and carry out work for the device can carry out the trompil operation through grinding, and the effectual fragment that prevents to bore to move the production splashes and causes the injury to constructor, and simultaneously, set up fixed cross beam and movable cross beam and can slide adjustment, make the device's trompil can adjust, has strengthened the flexibility that the device used greatly.

Drawings

FIG. 1 is a schematic sectional elevation view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic bottom view of the support plate of the present invention;

FIG. 4 is a schematic top view taken at B-B of FIG. 1 in accordance with the present invention;

FIG. 5 is a schematic top cross-sectional view of an adjustment mechanism of the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 5 at C according to the present invention;

FIG. 7 is a schematic top view of the structural connection of the drive sleeve and the drive insert of the present invention;

FIG. 8 is a side view of the structural connection of the fixed cross member and the movable cross member of the present invention.

In the figure: 1. a device housing; 2. a drive motor; 31. a rotating rod; 32. a drive sleeve; 33. a transmission insert block; 34. a connecting sleeve; 35. connecting the plug blocks; 41. rotating the rod; 42. a support disc; 43. fixing the cross beam; 44. a movable cross beam; 45. grinding and cutting the blade; 51. a screw; 52. a bevel gear; 53. a movable threaded sleeve; 54. an adjusting block; 55. fixing a sleeve; 61. a water pump; 62. a connecting pipe; 63. a spray head; 64. a sludge pump; 65. a sludge discharge pipe; 7. a grip; 8. an integrated switch; 9. a guard flap.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, an embodiment of the present invention:

a punching device with a protective structure for bridge construction comprises a device shell 1, a driving motor 2, a water pump 61, a sludge pump 64 and an integrated switch 8, wherein the driving motor 2 is fixedly installed inside the device shell 1, the type of the driving motor 2 is YE series, a transmission mechanism is installed below the device shell 1, the transmission mechanism comprises a rotating rod 31, the rotating rod 31 is embedded in the middle position of the bottom of the device shell 1 through a bearing, a transmission sleeve 32 is fixedly installed above the rotating rod 31, a transmission insert 33 is inserted above the transmission sleeve 32, the inner wall of the transmission sleeve 32 is in a square column shape, the outer wall of the transmission insert 33 is matched with the inner wall of the transmission sleeve 32, the transmission insert 33 is in sliding connection with the transmission sleeve 32, the upper end of the transmission insert 33 is fixedly welded on a power output shaft of the driving motor 2, there is the clearance between the bottom of transmission inserted block 33 and the inner wall bottom of transmission sleeve 32, be connected through transmission inserted block 33 and transmission sleeve 32, prevent the device during operation, the extrusion force that the below received passes through the rotation output shaft of transmission sleeve 32 extrusion driving motor 2, prevent that driving motor 2 from receiving the extrusion and leading to work to receive the influence, the job stabilization nature of the device has been improved greatly, the setting is the square column shape through the inner wall that sets up transmission sleeve 32 and the outer wall of transmission inserted block 33, make the transmission stable between transmission sleeve 32 and the transmission inserted block 33.

A connecting sleeve 34 is fixedly arranged below the rotating rod 31, a connecting insert block 35 is inserted below the connecting sleeve 34, the inner wall of the connecting sleeve 34 is in a square column shape, the outer wall of the connecting insert block 35 is matched with the inner wall of the connecting sleeve 34, the connecting insert block 35 is in sliding connection with the connecting sleeve 34, a threaded hole is formed in the side wall of the connecting sleeve 34, a bolt is inserted in the threaded hole, the thread on the outer wall of the bolt is matched with the threaded hole in the side wall of the connecting sleeve 34, the inner part of the connecting sleeve 34 and the outer wall of the connecting insert block 35 are in a square column shape, so that the transmission between the connecting sleeve 34 and the connecting insert block 35 is stable, meanwhile, a threaded hole is formed in the side wall of the connecting sleeve 34, a bolt is inserted in the threaded hole, so that the connecting insert block 35 and the connecting sleeve 34 are stably connected, the disassembly is convenient, and, the punching mechanism is convenient to take down and clean, and the cleaning convenience is greatly improved.

The punching mechanism is arranged below the connecting plug block 35 and comprises a rotating rod 41, the upper end of the rotating rod 41 is welded and fixed at the bottom of the connecting plug block 35, a supporting disk 42 is fixedly arranged below the rotating rod 41, a fixed cross beam 43 is uniformly fixed on the outer side of the supporting disk 42, a movable cross beam 44 is inserted above the fixed cross beam 43, abrasive cutting blades 45 are fixed at the bottoms of the supporting disk 42, the fixed cross beam 43 and the movable cross beam 44 through bolts, a sliding groove is formed in the movable cross beam 44, the clean surface of the sliding groove is in an inverted trapezoid shape, a sliding block is welded above the fixed cross beam 43 and is matched with the sliding groove formed in the movable cross beam 44, the movable cross beam 44 is in sliding telescopic connection with the fixed cross beam 43 through the clamping of the sliding groove and the sliding block, six groups of fixed cross beams 43 and movable cross beams 44 are arranged, and the six groups of fixed cross beams 43 and movable cross beams 44 are respectively, through six groups of fixed cross beam 43 and movable cross beam 44 mutually support with supporting disk 42, simultaneously at supporting disk 42, the fixed mill cutting blade 45 in fixed cross beam 43 and movable cross beam 44's bottom, make the device bottom form circular plane of polishing, it rotates to drive through drive mechanism and grinds cutting blade 45 when driving motor 2 starts, the drilling operation of polishing, rotate through mill cutting blade 45 and polish and carry out the trompil, effectually prevent that drill bit class instrument from directly drilling to lead to the fragment indiscriminate to fly, prevent to cause the injury to the staff, and simultaneously, can the relative slip through setting up fixed cross beam 43 and movable cross beam 44, make the device can change the trompil aperture of the device through the position of adjustment movable cross beam 44 on fixed cross beam 43, the application scope of the device has been improved greatly.

An adjusting mechanism is arranged above the supporting plate 42 and comprises a screw rod 51, the screw rod 51 is hinged on the supporting plate 42 through a support, a bevel gear 52 is fixed at one end of the screw rod 51 close to the supporting plate 42, a movable threaded sleeve 53 is sleeved in the middle of the bevel gear 52, the movable threaded sleeve 53 is rotatably connected with the supporting plate 42 through the support, threads are uniformly assembled on the outer wall of the screw rod 51, threads are uniformly assembled on the inner wall of the movable threaded sleeve 53, the threads on the inner wall of the movable threaded sleeve 53 are matched with the threads on the outer wall of the screw rod 51, the movable threaded sleeve 53 is rotatably connected with the threads of the screw rod 51 through the meshing of the threads, the movable threaded sleeve 53 is fixed on the movable cross beam 44, when in use, the movable threaded sleeve 53 moves on the screw rod 51 through rotating the screw rod 51 under the meshing of the threads, the movable cross beam 44 is driven to move through the, the operation is flexible and convenient, and the thread has self-locking performance, so that the device is firmly fixed after the adjustment is finished, and the structural stability of the device is greatly enhanced.

When the device is used, if the aperture of the opening needs to be adjusted, a worker can insert an inner hexagonal wrench on the adjusting block 54, rotate the adjusting block 54 to drive the screw 51 to rotate, and the six groups of movable cross beams 44 move simultaneously through the mutual meshing of the six groups of bevel gears 52 under the meshing action of teeth, so as to adjust the aperture specification of the device conveniently, convenient operation is convenient, and the use flexibility of the device is greatly improved.

The outer side of the device shell 1 is provided with a water supply mechanism, the water supply mechanism comprises a water pump 61, the water pump 61 is fixed above the outer side of the device shell 1 through a support, a connecting pipe 62 is fixedly arranged at a water outlet of the water pump 61, a spray head 63 is fixed below the outer side of the device shell 1, a sludge pump 64 is fixedly arranged below the outer side of the device shell 1, a sludge discharge pipe 65 is embedded in the device shell 1, the other end of the connecting pipe 62 is fixed at a water inlet of the spray head 63, one end of the sludge discharge pipe 65 is fixed at a water outlet of the sludge pump 64, when the device is used, the water pump 61 is electrified and started to spray outside water on the punching mechanism through the spray head 63, so that dust generated by the rotation friction of the grinding and cutting blade 45 is wetted, the influence on the health of construction personnel due to the dust is prevented, meanwhile, after the sludge pump 64 is electrified and started, slurry formed by mixing the dust, make the trompil operation go on smoothly, the symmetry is installed the handle 7 on the outer wall of device shell 1, and wherein the top of a set of handle 7 is fixed and has been installed integrated switch 8, and the below of handle 7 is fixed with guard flap 9 through the bolt, sets up guard flap 9 and protects, and the effectual mud that prevents the device below operation of punching and produce splashes to the constructor on one's body, and the effectual protectiveness that strengthens the device, the model of water pump 61 is DB series, and the model of silt pump 64 is WQAS series.

The working principle is as follows: when the device works, a constructor connects a water inlet of the water pump 61 into water through a guide pipe, connects the device with an external power supply through a lead, so that the external power supply provides electric support for the device, and then the constructor can start the device by pressing the integrated switch 8;

during operation, a constructor adjusts the sliding length of the fixed cross beam 43 and the movable cross beam 44 according to the size of the hole to be punched, adjusts the hole diameter of the device, inserts an inner hexagonal wrench into the adjusting block 54, rotates the driving screw 51, and moves the movable threaded sleeve 53 on the screw 51 by matching with the meshing of threads under the rotating action, so that the movable cross beam 44 is driven to move relative to the fixed cross beam 43, and meanwhile, because the six groups of bevel gears 52 are meshed and connected with each other, the six groups of adjusting mechanisms can operate simultaneously, so that the six groups of movable cross beams 44 move on the fixed cross beam 43 at the same time, and the hole diameter is adjusted;

when the device works, a constructor places the device at a punching position to enable the grinding and cutting blade 45 to be in contact with a bridge floor, then holds the handle 7, starts the device by pressing the integrated switch 8, enables the driving motor 2, the water pump 61 and the sludge pump 64 to be electrified and work, drives the punching mechanism to rotate through the transmission mechanism after the driving motor 2 is electrified and started, drives the supporting plate 42 to rotate through the rotating rod 41 to enable the grinding and cutting blade 45 at the bottom to rotate, polishes and perforates the bridge floor, at the moment, the water pump 61 is started to convey water to the spray head 63 along the connecting pipe 62 to spray out, humidifies and dusts the grinding and cutting blade 45 and the bridge floor, pumps out mud generated by mixing dust and water at the polished position through the sludge discharge pipe 65 after the sludge pump 64 is electrified and started, and the protective baffle 9 covers the bottom of the handle 7 to protect and prevent the mud from splashing on the construct;

after the work, if need wash the mechanism of punching a hole, constructor can carry out not hard up operation through rotating the downthehole bolt of screw on the connecting sleeve 34 lateral wall for connect plug 35 and the separation of connecting sleeve 34, it can to clear up the mechanism of punching a hole.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a bridge building is with perforating device that has protective structure, includes device shell (1), driving motor (2), water pump (61), silt pump (64) and integrated switch (8), its characterized in that: the device comprises a device shell (1), a driving motor (2) is fixedly mounted in the device shell (1), a transmission mechanism is mounted below the device shell (1) and comprises a rotating rod (31), the rotating rod (31) is embedded in the middle of the bottom of the device shell (1) through a bearing, a transmission sleeve (32) is fixedly mounted above the rotating rod (31), a transmission insert block (33) is inserted above the transmission sleeve (32), a connecting sleeve (34) is fixedly mounted below the rotating rod (31), a connecting insert block (35) is inserted below the connecting sleeve (34), a punching mechanism is mounted below the connecting insert block (35) and comprises a rotating rod (41), the upper end of the rotating rod (41) is fixedly welded and fixed to the bottom of the connecting insert block (35), a supporting disk (42) is fixedly mounted below the rotating rod (41), and the outer side of the supporting plate (42) is uniformly fixed with a fixed cross beam (43), a movable cross beam (44) is inserted above the fixed cross beam (43), the bottoms of the supporting plate (42), the fixed cross beam (43) and the movable cross beam (44) are all fixed with a grinding and cutting blade (45) through bolts, an adjusting mechanism is installed above the supporting plate (42) and comprises a screw rod (51), the screw rod (51) is hinged on the supporting plate (42) through a support, one end of the screw rod (51) close to the supporting plate (42) is fixed with a bevel gear (52), the middle position of the bevel gear (52) is sleeved with a movable threaded sleeve (53), the other end of the screw rod (51) is fixedly provided with an adjusting block (54), the outer side of the screw rod (51) is sleeved with a fixed sleeve (55), and the outer side of the device shell (1) is installed, and the water supply mechanism includes water pump (61) to water pump (61) are fixed in the outside top of device shell (1) through the support, the delivery port fixed mounting of water pump (61) has connecting pipe (62), the outside below of device shell (1) is fixed with shower nozzle (63), the outside below fixed mounting of device shell (1) has silt pump (64), the inside of device shell (1) is inlayed and is had row silt pipe (65), handle (7) are installed to the symmetry on the outer wall of device shell (1), and wherein a set of integrated switch (8) have been fixed to the top of handle (7), the below of handle (7) is fixed with guard flap (9) through the bolt.

2. The punching device with the protective structure for the bridge building according to claim 1, wherein: the inner wall of transmission sleeve (32) is the square column form, the outer wall of transmission inserted block (33) is the square column form, and the outer wall of transmission inserted block (33) and the inner wall looks adaptation of transmission sleeve (32), transmission inserted block (33) and transmission sleeve (32) sliding connection, the upper end fixed welding of transmission inserted block (33) is on the power output shaft of driving motor (2).

3. The punching device with the protective structure for the bridge building according to claim 1, wherein: the inner wall of connecting sleeve (34) is the square column form, the outer wall of connecting inserted block (35) is the square column form, and connects the outer wall of inserted block (35) and the inner wall looks adaptation of connecting sleeve (34), connect inserted block (35) and connecting sleeve (34) sliding connection, set up threaded hole on the lateral wall of connecting sleeve (34), and the threaded hole interpolation is equipped with the bolt to screw thread on the bolt outer wall with screw hole looks adaptation on the connecting sleeve (34) lateral wall.

4. The punching device with the protective structure for the bridge building according to claim 1, wherein: the movable cross beam (44) is internally provided with a sliding groove, the cross section of the sliding groove is inverted trapezoid, a sliding block is welded above the fixed cross beam (43), the sliding block is matched with the sliding groove formed in the movable cross beam (44), and the movable cross beam (44) is connected with the fixed cross beam (43) in a sliding and telescopic mode through the sliding groove and the sliding block in a clamping mode.

5. The punching device with the protective structure for the bridge building according to claim 1, wherein: six groups of fixed cross beams (43) and six groups of movable cross beams (44) are arranged, and the fixed cross beams (43) and the movable cross beams (44) are respectively and uniformly arranged on the outer wall of the supporting plate (42).

6. The punching device with the protective structure for the bridge building according to claim 1, wherein: activity swivel nut (53) are connected through support and supporting disk (42) rotation, evenly be equipped with the screw thread on the outer wall of screw rod (51), evenly be equipped with the screw thread on the inner wall of activity swivel nut (53), and screw thread on the activity swivel nut (53) inner wall and the screw thread looks adaptation on screw rod (51) outer wall, activity swivel nut (53) pass through threaded meshing and screw rod (51) screw thread swivelling joint, activity swivel nut (53) are fixed on movable beam (44).

7. The punching device with the protective structure for the bridge building according to claim 1, wherein: the fixed sleeve (55) is fixed on the fixed cross beam (43), the adjusting block (54) is rotationally connected with the fixed sleeve (55), and a regular hexagon through hole is formed in the inner wall of the adjusting block (54).

8. The punching device with the protective structure for the bridge building according to claim 1, wherein: the adjusting mechanisms are provided with six groups in total, the six groups of adjusting mechanisms are respectively and symmetrically arranged on the six groups of fixed cross beams (43) and the six groups of movable cross beams (44), the thread directions of the internal screw rods (51) of the two adjacent groups of adjusting mechanisms are opposite, and the six groups of bevel gears (52) are mutually meshed and connected.

9. The punching device with the protective structure for the bridge building according to claim 1, wherein: the other end of the connecting pipe (62) is fixed at the water inlet of the spray head (63), and one end of the sludge discharge pipe (65) is fixed at the water outlet of the sludge pump (64).