CN215369673U

CN215369673U - Rotary excavating machine for constructional engineering

Info

Publication number: CN215369673U
Application number: CN202121822109.5U
Authority: CN
Inventors: 段声超; 王文; 倪胜; 丁宏伟; 徐卫东; 徐盛
Original assignee: Hongteng Construction Group Co ltd
Current assignee: Hongteng Construction Group Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-12-31
Anticipated expiration: 2031-08-05

Abstract

The application discloses a rotary excavating machine for constructional engineering, which belongs to the technical field of constructional engineering and comprises a rotary excavating machine body, a mounting frame, a workbench and a lifting rod, the mounting frame is provided with a lifting component for driving the workbench to move along the mounting frame, a rotary digging component is arranged at the end part of the lifting rod far away from the workbench, the rotary digging component comprises a soil collecting cylinder fixedly connected on the lifting rod and a drill bit rotatably arranged on the soil collecting cylinder, the drill bit is provided with a soil guide groove communicated with the soil collecting cylinder, a discharge assembly is arranged in the soil collecting cylinder, the discharging assembly comprises a pushing plate and a pushing piece used for enabling the pushing plate to move along the soil collecting cylinder, the soil collecting barrel is internally provided with a driving assembly used for driving the pushing plate to rotate. This application has the effect of earth in the soil barrel of convenient discharge collection.

Description

Rotary excavating machine for constructional engineering

Technical Field

The application relates to the technical field of constructional engineering, in particular to a rotary excavating machine for constructional engineering.

Background

The rotary excavator is a comprehensive drilling machine, is one of common engineering machinery at a construction site, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like. The rotary drilling machine is suitable for various bottom layers, can perform dry drilling operation by matching with a short auger bit, and can also perform wet drilling operation by utilizing a rotary drill bit under the condition of slurry retaining walls.

In the related art, the chinese utility model patent with the publication number CN208310690U discloses a rotary excavating machine for construction engineering, which comprises a rotary excavating machine body, the rotary excavating machine body comprises a machine body and a hanging block, the hanging block is placed at the rear side of the machine body, a hanging ring is arranged on the hanging block, rollers are arranged at both sides of the machine body, a storage battery is arranged in the machine body, a supporting block is welded at the front side of the machine body, a supporting seat is welded at the top of the machine body, a combination switch is arranged at one side of the supporting seat, a rotary excavating device is arranged on the supporting seat, a limiting ring is welded at one end of the rotary excavating device, a rotating shaft is arranged on the machine body, the limiting ring is connected with the machine body through the rotating shaft, the rotary excavating device comprises a sleeve one and a sleeve two, cavities are arranged in the sleeve one and the sleeve two, a lifting rod two is arranged in the cavity of the sleeve two, a working chamber is welded at one end of the lifting rod two, a connecting shaft is arranged at one side of the working chamber, a drill bit is arranged at one end of the connecting shaft, the connecting shaft is sleeved with a soil sampling hopper.

For the related art in the foregoing, the inventor thinks that when an operator makes the drill bit rise from a punched hole, the soil in the hole can be taken out of the hole by the soil taking bucket, but most of the taken-out soil is located in the soil taking bucket, and the operator can only manually clear the soil in the soil taking bucket, which is cumbersome to operate.

SUMMERY OF THE UTILITY MODEL

In order to conveniently discharge soil in the soil collecting barrel, the application provides a rotary excavating machine for constructional engineering.

The application provides a building engineering is with digging machine soon adopts following technical scheme:

a rotary excavating machine for constructional engineering comprises a rotary excavating machine body, a mounting frame arranged on the rotary excavating machine body, a workbench slidably mounted on the mounting frame, and a lifting rod fixedly connected to the workbench, the mounting frame is provided with a lifting component for driving the workbench to move along the mounting frame, a rotary digging component is arranged at the end part of the lifting rod far away from the workbench, the rotary digging component comprises a soil collecting cylinder fixedly connected on the lifting rod and a drill bit rotatably arranged on the soil collecting cylinder, the drill bit is provided with a soil guide groove communicated with the soil collecting cylinder, a discharge assembly is arranged in the soil collecting cylinder, the discharging assembly comprises a pushing plate and a pushing piece used for enabling the pushing plate to move along the soil collecting cylinder, the soil collecting barrel is internally provided with a driving assembly used for driving the pushing plate to rotate.

Through adopting above-mentioned technical scheme, operating personnel utilizes lifting unit to make the lifter move down along the mounting bracket, operating personnel starts drive assembly, drive assembly makes the catch plate rotate, the catch plate rotates and makes the connecting rod rotate, the connecting rod rotates the rotation of drive drill bit, earth in the hole that the drill bit was beated out gets into in the soil collection section of thick bamboo along leading the soil groove, when earth in the soil collection section of thick bamboo was filled with, operating personnel utilizes lifting unit to make and digs the subassembly and break away from the hole soon, at this moment, operating personnel starts the impeller, the impeller promotes the catch plate, thereby conveniently discharge earth in the soil collection section of thick bamboo.

Preferably, the mounting plate is fixedly connected to the inner side wall of the soil collecting cylinder, a rotating sleeve penetrates through the mounting plate and is rotatably connected with the mounting plate, the rotating sleeve is rotatably connected with the inner top surface of the soil collecting cylinder, the pushing member is fixedly installed in the rotating sleeve, a piston rod of the pushing member is fixedly connected with the pushing plate, and the driving assembly is used for driving the rotating sleeve to rotate.

By adopting the technical scheme, an operator starts the driving assembly, the driving assembly enables the rotating sleeve to rotate, the rotating sleeve rotates to enable the pushing piece to rotate, the pushing piece rotates to enable the pushing plate to rotate, and finally the drill bit rotates. The arrangement of the rotating sleeve facilitates the installation of the pushing part by operators.

Preferably, the driving assembly comprises a second motor installed on the installation plate, a driving gear fixedly sleeved on an output shaft of the second motor, and a driven gear fixedly sleeved on the rotating sleeve, and the driving gear is meshed with the driven gear.

Through adopting above-mentioned technical scheme, operating personnel starts the second motor, and the output shaft of second motor rotates and drives the running gear and rotate, and the driving gear rotates and makes the rotating sleeve rotate.

Preferably, the pushing plate is provided with a limiting groove used for being in plug-in fit with the rotating sleeve, the outer peripheral surface of the rotating sleeve is fixedly connected with a clamping block, the pushing plate is provided with a clamping groove used for being in plug-in fit with the clamping block, and the clamping groove is communicated with the limiting groove.

Through adopting above-mentioned technical scheme, when rotating the sleeve rotatory, rotate the sleeve and drive the fixture block and rotate, the fixture block passes through draw-in groove drive catch plate and rotates, and fixture block and draw-in groove be provided with and do benefit to and improve catch plate pivoted stability.

Preferably, a plurality of scrapers are fixedly connected to the inner side wall of the soil collecting cylinder, the scrapers are rotatably connected with the connecting rod, and the scrapers are slidably connected with the drill bit.

Through adopting above-mentioned technical scheme, the setting up of scraper blade is favorable to cleaing away the earth of adhering to on the drill bit terminal surface on the one hand, and on the other hand the setting up of scraper blade does benefit to in the guide earth gets into soil collecting cylinder.

Preferably, a cleaning groove is formed in the surface, close to the drill bit, of the pushing plate, and the inner side wall of the cleaning groove is in sliding fit with the outer side wall of the scraper.

Through adopting above-mentioned technical scheme, operating personnel rotates the slurcam and makes the clearance groove aim at the scraper blade, connects this operating personnel to utilize the impeller to make the slurcam descend, and when the scraper blade was pegged graft with the clearance groove and is joined in marriage, the slurcam can clear up the earth of adhering to the scraper blade both sides.

Preferably, the lifting assembly comprises a first motor fixedly installed on the mounting frame and a lead screw fixedly connected to an output shaft of the first motor, the lead screw is arranged on the workbench in a penetrating mode and in threaded fit with the workbench, and the length direction of the lead screw is consistent with the length direction of the mounting frame.

Through adopting above-mentioned technical scheme, operating personnel starts first motor, and the output shaft of first motor rotates and makes the lead screw rotate, and the lead screw rotates and makes the workstation remove along the length direction of lead screw, finally makes the lifter remove along the length direction of mounting bracket.

Preferably, the mounting bracket both sides are provided with supporting component, supporting component include fixed connection in locating plate on the mounting bracket, wear to locate bracing piece on the locating plate and wear to locate locating pin on the locating plate, seted up on the bracing piece a plurality of with locating pin grafting complex constant head tank.

Through adopting above-mentioned technical scheme, when operating personnel adjusted the drill bit and aimed at the point of punching, operating personnel extracted the locating pin to make locating lever and ground butt, operating personnel reinserts the locating pin after that, the locating pin is favorable to fixing the position of bracing piece this moment, and locating pin and bracing piece be provided with and do benefit to the improvement and dig the stability of machine at the course of the work soon.

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

when the soil in the soil collecting cylinder is full, an operator enables the rotary digging assembly to be separated from the hole by using the lifting assembly, and at the moment, the operator starts the pushing piece which pushes the pushing plate, so that the soil in the soil collecting cylinder is conveniently discharged;

the arrangement of the scraper is beneficial to removing soil attached to the end face of the drill bit on one hand, and the arrangement of the scraper is beneficial to guiding the soil into the soil collecting cylinder on the other hand;

the locating pin is favorable to fixing the position of bracing piece this moment, and locating pin and bracing piece be provided with and do benefit to the stability that improves the machine of digging soon in the course of the work.

Drawings

Fig. 1 is a schematic structural view of a rotary excavator for construction work according to an embodiment of the present application.

Fig. 2 is a schematic view of the internal structure of the soil collecting cylinder according to the embodiment of the present application.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Description of reference numerals:

1. a rotary excavating machine body; 11. a cylinder; 2. a mounting frame; 21. a vertical plate; 22. a transverse plate; 3. a work table; 31. a lifting rod; 4. a lifting assembly; 41. a first motor; 42. a screw rod; 5. rotating the assembly; 51. a soil collecting cylinder; 511. mounting a plate; 512. rotating the sleeve; 513. a clamping block; 514. a squeegee; 52. a drill bit; 521. a soil guide groove; 6. a support assembly; 61. positioning a plate; 62. a support bar; 621. positioning a groove; 622. a butt joint plate; 63. positioning pins; 7. a drive assembly; 71. a second motor; 72. a driving gear; 73. a driven gear; 8. a discharge assembly; 81. a push plate; 811. a limiting groove; 812. a card slot; 813. cleaning the tank; 82. a pusher member; 9. a connecting rod; 91. a first link; 92. a second link; 93. a coupling is provided.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses building engineering is with digging machine soon. Referring to fig. 1 and 2, the rotary excavator for construction engineering comprises a rotary excavator body 1, a mounting frame 2, a workbench 3, a lifting assembly 4 and a rotary excavating assembly 5.

Referring to fig. 1 and 2, the mounting frame 2 includes a vertical plate 21 and a horizontal plate 22, the vertical plate 21 is rotatably mounted on the rotary excavating machine body 1, the rotary excavating machine body 1 is provided with a cylinder 11, the end of the cylinder 11 far away from the piston rod is hinged to the rotary excavating machine body 1, and the piston rod of the cylinder 11 is hinged to the vertical plate 21. The transverse plates 22 are arranged at two ends of the vertical plate 21, the bottom surface of the transverse plate 22 at the upper end of the vertical plate 21 is fixedly connected with the upper surface of the vertical plate 21, and the upper surface of the transverse plate 22 at the lower end of the vertical plate 21 is fixedly connected with the bottom surface of the vertical plate 21.

Referring to fig. 1 and 2, two sides of the end portion of the vertical plate 21 close to the ground are provided with a support assembly 6, the support assembly 6 includes a positioning plate 61, a support rod 62 and a positioning pin 63, the positioning plate 61 is fixedly connected to two opposite side surfaces of the vertical plate 21, and the length direction of the positioning plate 61 is perpendicular to the length direction of the transverse plate 22. The supporting rod 62 vertically penetrates through the positioning plate 61, the supporting rod 62 is matched with the positioning plate 61 in a sliding mode, and the length direction of the supporting rod 62 is consistent with that of the screw rod 42. The end of the ground near the support rod 62 is fixedly connected with a contact plate 622, and the bottom surface of the contact plate 622 contacts the ground. The positioning pin 63 penetrates through the positioning plate 61, and the positioning pin 63 penetrates through the positioning plate 61 and is in insertion fit with the supporting rod 62. The locating slot 621 has been seted up on the bracing piece 62, and the locating slot 621 is provided with a plurality ofly, and a plurality of locating slots 621 evenly arrange along the length direction of bracing piece 62, and the inside wall of locating slot 621 slides with locating pin 63 and cooperates. The positioning groove 621 and the positioning pin 63 are convenient for an operator to fix the position of the supporting rod 62, and the supporting rod 62 and the abutting plate 622 are arranged to improve the stability of the rotary drilling machine in the working process.

Referring to fig. 1 and 2, the worktable 3 is disposed between two transverse plates 22, and the side surface of the worktable 3 is slidably connected to the vertical plate 21. The lifting assembly 4 comprises a first motor 41 and a screw rod 42, the first motor 41 is installed on the transverse plate 22 located at the upper end of the vertical plate 21, the screw rod 42 vertically penetrates through the workbench 3, the length direction of the screw rod 42 is consistent with that of the vertical plate 21, the screw rod 42 is in threaded fit with the workbench 3, and two ends of the screw rod 42 are respectively connected with the transverse plate 22 in a rotating mode. The end of the screw rod 42 close to the first motor 41 passes through the transverse plate 22 and is fixedly connected with the output shaft of the first motor 41. The operator starts the first motor 41, the output shaft of the first motor 41 rotates to rotate the lead screw 42, and the lead screw 42 rotates to move the worktable 3 along the length direction of the lead screw 42.

Referring to fig. 2 and 3, the lifting rod 31 is fixedly connected to the bottom surface of the end portion of the screw rod 42 away from the table 3, and the longitudinal direction of the lifting rod 31 coincides with the longitudinal direction of the screw rod 42. The rotary drilling assembly 5 is arranged at the end part of the lifting rod 31 departing from the workbench 3, and the rotary drilling assembly 5 comprises a soil collecting cylinder 51 and a drill bit 52. The drill 52 is provided with a soil guiding groove 521, the soil guiding groove 521 is spirally arranged, and the soil guiding groove 521 is communicated with the circular end surface of the drill 52. The soil collecting cylinder 51 is a circular cylinder, one end of the soil collecting cylinder 51 is open, and the other end of the soil collecting cylinder 51 is closed. The closed end of the soil collecting cylinder 51 is fixedly connected with the end part of the lifting rod 31 far away from the workbench 3, and the axis of the soil collecting cylinder 51 is superposed with the axis of the lifting rod 31. The inner side wall of the soil collecting cylinder 51 is fixedly connected with an installation plate 511, and the axis of the installation plate 511 is overlapped with the axis of the soil collecting cylinder 51. The mounting plate 511 is vertically provided with a rotating sleeve 512 in a penetrating manner, the rotating sleeve 512 is in a circular cylindrical shape, one end of the rotating sleeve 512 is opened, the other end of the rotating sleeve 512 is closed, the rotating sleeve 512 is rotatably connected with the mounting plate 511, and the closed end of the rotating sleeve 512 is rotatably connected with the inner top surface of the soil collecting cylinder 51.

Referring to fig. 2 and 3, the mounting plate 511 is provided with a driving assembly 7, the driving assembly 7 includes a second motor 71, a driving gear 72 and a driven gear 73, the second motor 71 is fixedly mounted on the upper surface of the mounting plate 511, the driving gear 72 is sleeved on an output shaft of the second motor 71, and the driving gear 72 is fixedly connected with the output shaft of the second motor 71. The driven gear 73 is sleeved on the rotating sleeve 512, the driven gear 73 is fixedly connected with the rotating sleeve 512, and the driving gear 72 is meshed with the driven gear 73. The operator starts the second motor 71, the output shaft of the second motor 71 rotates to drive the driving gear 72 to rotate, the driving gear 72 rotates to drive the driven gear 73 to rotate, and the driven gear 73 rotates to enable the rotating sleeve 512 to rotate.

Referring to fig. 2 and 3, the discharging assembly 8 is disposed in the soil collecting cylinder 51, the discharging assembly 8 includes a pushing plate 81 and a pushing member 82, the pushing plate 81 is disc-shaped, and a side wall of the pushing plate 81 is in sliding fit with an inner side wall of the soil collecting cylinder 51. The pushing plate 81 is provided with a limiting groove 811, the axis of the limiting groove 811 coincides with the axis of the rotating sleeve 512, and the inner side wall of the limiting groove 811 is in sliding connection with the outer peripheral surface of the rotating sleeve 512. Two latch blocks 513 are fixedly connected to the outer circumferential surface of the rotating sleeve 512, and the two latch blocks 513 are symmetrically arranged about the axis of the rotating sleeve 512. The push plate 81 is provided with two clamping grooves 812, the inner side wall of each clamping groove 812 is matched with the corresponding clamping block 513 in a sliding mode, and the two clamping blocks 513 correspond to the two clamping grooves 812 in a one-to-one mode. The pushing part 82 is an electric push rod, the end part of the electric push rod, far away from the piston rod, is fixedly connected with the inner end face of the rotating sleeve 512, the outer side wall of the electric push rod is fixedly connected with the inner side wall of the rotating sleeve 512, and the piston rod of the electric push rod is fixedly connected with the inner bottom face of the limiting groove 811.

Referring to fig. 2 and 3, a connecting rod 9 is arranged between the pushing plate 81 and the drill bit 52, one end of the connecting rod 9 comprises a first connecting rod 91, a second connecting rod 92 and a coupler 93, the first connecting rod 91 and the second connecting rod 92 are fixedly connected through the coupler 93, the end portion of the first connecting rod 91 departing from the second connecting rod 92 is fixedly connected with the pushing plate 81, the end portion of the second connecting rod 92 departing from the first connecting rod 91 is fixedly connected with the drill bit 52, and the connecting rod 9 is convenient for an operator to replace the drill bit 52.

Referring to fig. 2 and 3, scrapers 514 are fixedly connected to the inner side wall of the end portion of the soil collecting cylinder 51 close to the drill 52, two scrapers 514 are provided, and the two scrapers 514 are symmetrically arranged about the axis of the soil collecting cylinder 51. And the ends of the two scrapers 514 close to each other are connected with the connecting rod 9 in a sliding way. The end surface of the pushing plate 81 close to the drill bit 52 is provided with a cleaning groove 813, and the inner side wall of the cleaning groove 813 is matched with the scraper 514 in a sliding manner. Two cleaning grooves 813 are arranged, and the two cleaning grooves 813 correspond to the two scraping plates 514 in a one-to-one mode. When an operator starts the electric push rod, the piston rod of the electric push rod enables the push plate 81 to move, the push plate 81 drives the connecting rod 9 and the drill bit 52 to move, the operator rotates the push plate 81 through the driving assembly 7 to enable the cleaning groove 813 to be aligned with the scraping plate 514, and when the scraping plate 514 is in plug fit with the cleaning groove 813, the push plate 81 can clean soil attached to two sides of the scraping plate 514.

The implementation principle of the rotary excavating machine for the construction engineering is as follows: an operator starts the first motor 41, an output shaft of the first motor 41 rotates to drive the screw rod 42 to rotate, the screw rod 42 rotates to enable the workbench 3 to move downwards, and the workbench 3 moves to enable the lifting rod 31 to move downwards. An operator starts the second motor 71, an output shaft of the second motor 71 rotates to enable the driving gear 72 to rotate, the driving gear 72 rotates to enable the driven gear 73 to rotate, the driven gear 73 rotates to enable the rotating sleeve 512 to rotate, the rotating sleeve 512 rotates to drive the electric push rod to rotate, the electric push rod enables the pushing plate 81 to rotate, the rotating sleeve 512 rotates to drive the clamping block 513 to rotate, and the clamping block 513 enables the pushing plate 81 to rotate.

The pushing plate 81 rotates to enable the connecting rod 9 to rotate, the connecting rod 9 rotates to finally enable the drill bit 52 to rotate, soil in the hole punched by the drill bit 52 enters the soil collecting barrel 51 along the soil guiding groove 521, and when the soil in the soil collecting barrel 51 is full, an operator enables the drill bit 52 and the soil collecting barrel 51 to be separated from the hole by the aid of the lifting assembly 4. Then, operating personnel utilizes drive assembly 7 to make clearance groove 813 aim at scraper blade 514, and operating personnel starts electric putter, and electric putter promotes pushing plate 81 and removes to scraper blade 514 direction to conveniently discharge the earth in the soil collecting barrel 51, the earth of the circular terminal surface of drill bit 52 is do benefit to being provided with of scraper blade 514, and the earth on scraper blade 514 is do benefit to driving to being provided with of clearance groove 813.

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

Claims

1. The utility model provides a building engineering is with digging machine soon, including dig quick-witted body soon (1), set up in dig quick-witted body soon on mounting bracket (1) mounting bracket (2), slidable mounting in workstation (3), fixed connection on mounting bracket (2) are in lifter (31) on workstation (3), be provided with on mounting bracket (2) and be used for the drive workstation (3) are followed lift assembly (4) that mounting bracket (2) removed, its characterized in that: the end part, far away from the workbench (3), of the lifting rod (31) is provided with a rotary excavating assembly (5), the rotary excavating assembly (5) comprises a soil collecting cylinder (51) fixedly connected to the lifting rod (31) and a drill bit (52) rotatably installed on the soil collecting cylinder (51), a soil guide groove (521) communicated with the soil collecting cylinder (51) is formed in the drill bit (52), a discharge assembly (8) is arranged in the soil collecting cylinder (51), the discharge assembly (8) comprises a push plate (81) and a pushing piece (82) used for enabling the push plate (81) to move along the soil collecting cylinder (51), a connecting rod (9) is fixedly connected between the push plate (81) and the drill bit (52), and a driving assembly (7) used for driving the push plate (81) to rotate is arranged in the soil collecting cylinder (51).

2. The rotary excavating machine for construction engineering according to claim 1, characterized in that: the soil collecting barrel is characterized in that a mounting plate (511) is fixedly connected to the inner side wall of the soil collecting barrel (51), a rotating sleeve (512) penetrates through the mounting plate (511), the rotating sleeve (512) is rotatably connected with the inner top surface of the soil collecting barrel (51), the pushing piece (82) is fixedly installed in the rotating sleeve (512), a piston rod of the pushing piece (82) is fixedly connected with the pushing plate (81), and the driving assembly (7) is used for driving the rotating sleeve (512) to rotate.

3. The rotary excavating machine for construction engineering according to claim 2, characterized in that: drive assembly (7) including install in second motor (71), fixed cover on mounting panel (511) are located driving gear (72), fixed cover on second motor (71) output shaft are located driven gear (73) on rotating sleeve (512), driving gear (72) with driven gear (73) intermeshing.

4. The rotary excavating machine for construction engineering according to claim 2, characterized in that: the improved push plate is characterized in that a limiting groove (811) used for being in plug-in fit with the rotating sleeve (512) is formed in the push plate (81), a clamping block (513) is fixedly connected to the outer peripheral surface of the rotating sleeve (512), a clamping groove (812) used for being in plug-in fit with the clamping block (513) is formed in the push plate (81), and the clamping groove (812) is communicated with the limiting groove (811).

5. The rotary excavating machine for construction engineering according to claim 1, characterized in that: a plurality of scrapers (514) are fixedly connected to the inner side wall of the soil collecting cylinder (51), the scrapers (514) are rotatably connected with the connecting rod (9), and the scrapers (514) are slidably connected with the drill bit (52).

6. The rotary excavating machine for construction engineering according to claim 5, characterized in that: the surface of the pushing plate (81) close to the drill bit (52) is provided with a cleaning groove (813), and the inner side wall of the cleaning groove (813) is matched with the outer side wall of the scraping plate (514) in a sliding mode.

7. The rotary excavating machine for construction engineering according to claim 1, characterized in that: lifting unit (4) including fixed mounting in first motor (41) and fixed connection in on mounting bracket (2) lead screw (42) on first motor (41) output shaft, lead screw (42) wear to locate on workstation (3) and with workstation (3) screw-thread fit, the length direction of lead screw (42) with the length direction of mounting bracket (2) is unanimous.

8. The rotary excavating machine for construction engineering according to claim 1, characterized in that: mounting bracket (2) both sides are provided with supporting component (6), supporting component (6) including fixed connection in locating plate (61) on mounting bracket (2), wear to locate bracing piece (62) on locating plate (61) and wear to locate locating pin (63) on locating plate (61), seted up on bracing piece (62) a plurality of with locating pin (63) grafting complex constant head tank (621).