A drilling device for road engineering quality inspection

Abstract

The present invention discloses a drilling device for road engineering quality inspection, which belongs to the technical field of engineering inspection, and comprises a base plate for supporting and fixing, a load-bearing member is installed on the base plate, a limit frame is installed on the load-bearing member, a protective component is installed on the outer wall of the limit frame, a drilling component is installed on the upper end of the protective component, a regulating component one and a regulating component two are installed on the bottom wall of the drilling component, a driving component is movably installed in the limit frame, the driving component is connected to the regulating component one and the regulating component two, a spray component is also installed on the base plate, and the upper end of the spray component is connected to the drilling component, which can protect the surrounding environment when drilling and reduce noise emission, and increase the stability of the equipment by fixing the water tank. When the equipment is not in use, the drill rod is stored in the protective component, and the opening and closing door in the through hole four in the bottom wall of the base plate is in a closed state, which is convenient for protecting the drill rod.

Description

Technical Field

[0001] The invention belongs to the technical field of engineering detection, and in particular relates to a drilling device for road engineering quality detection. Background Art

[0002] Road refers to the road that reaches various areas of the city, is used for transportation and pedestrians within the city, is convenient for residents' life, work and cultural and entertainment activities, and is connected to roads outside the city to bear external traffic. In actual life and production, it is necessary to test the road quality, and usually a drilling device is needed to test the road quality. The existing device has gravel splashing during the drilling process, which will cause harm to the surrounding workers and has no protective effect; if the drilling equipment is large, it will be inconvenient during the movement, but if the equipment is small, the equipment will vibrate greatly during drilling, and the device is easy to move, affecting the drilling effect, and the noise is huge during the drilling process, which affects the surrounding environment; when the existing drilling device is actually stored, it is only placed directly in a place in contact with the outside world. Such a setting makes the drill bit of the drilling device extremely susceptible to oxidation, reducing the service life of the drilling device. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a drilling device for road engineering quality inspection.

[0004] The technical solution adopted by the present invention is as follows: a drilling device for road engineering quality inspection, comprising a base plate for supporting and fixing, a load-bearing member installed on the base plate, a limit frame installed on the load-bearing member, a protective component installed on the outer wall of the limit frame, a drilling component installed on the upper end of the protective component, a regulating component one and a regulating component two are installed on the bottom wall of the drilling component, a driving component is movably installed in the limit frame, the driving component is connected to the regulating component one and the regulating component two, a spray component is also installed on the base plate, and the upper end of the spray component is connected to the drilling component.

[0005] Preferably, the protective component includes a support rod for support, the support rod is arranged on the upper wall of the base plate, a support plate 2 is installed on the upper end of the support rod, a protective member is sleeved on the lower end of the support rod, the upper wall of the protective member is provided with through hole 1, through hole 2 and through hole 3, a protective bag 1 and a protective bag 2 are installed in the protective member, the protective bag 1 is arranged on the inner side wall of the protective member, the protective bag 2 is arranged in the protective bag 1, a ventilation cavity 2 is provided in the protective member, and the protective bag 1 and the protective bag 2 are connected through the ventilation cavity 2.

[0006] As a preferred embodiment of the present invention, the driving assembly includes a support plate one and a gear condition three, a hydraulic rod is installed on the support plate one, the gear condition three is movably clamped in a limit frame, and the gear condition three is placed through the limit frame, a connecting piece is installed on one end of the gear condition three close to the hydraulic rod, the movable end of the hydraulic rod is connected to the connecting piece, and the hydraulic rod works by pushing the gear condition three to slide along the limit frame through the connecting piece.

[0007] Furthermore, the drilling assembly includes a movable plate, and the regulating assembly 1 includes a driving gear 1, a connecting shaft 1, a driven gear 1 and a gear condition 1. The upper end of the gear condition 1 is arranged on the bottom wall of the movable plate, and the other end of the gear condition 1 is movably penetrated through the support plate 2 and the through hole 1 in sequence and then is arranged in the protective member. The gear condition 1 in the regulating assembly 2 is movably penetrated through the support plate 2 and the through hole 2 in sequence and then is arranged in the protective member. The driving gear 1 is movably connected to the limit frame, and the driving gear 1 is meshed with the gear condition 3. The connecting shaft 1 is arranged at the center position of the driving gear 1, and the driven gear 1 is installed on the other end of the connecting shaft 1. The gear condition 1 is meshed with the driven gear 1. The regulating assembly 2 and the regulating assembly 1 have the same structure and will not be introduced here.

[0008] Furthermore, the spray assembly includes a fixed water tank, which is arranged on the bottom plate, and a pushing plate is installed on the side wall of the fixed water tank, and a connecting rod is installed on the pushing plate, and the connecting rod is connected to the connecting piece, and a water outlet pipe is installed on the fixed water tank, and the upper end of the water outlet pipe is through-connected with the movable plate; when the hydraulic rod works to drive the connecting piece to move from right to left, the connecting piece drives the connecting rod to move, the connecting rod squeezes the pushing plate, and the pushing plate squeezes the fixed water tank, and the water in the fixed water tank is discharged from the water outlet pipe into the movable plate.

[0009] Among them, an air bag is installed between the movable plate and the second supporting plate, the drilling assembly is arranged between the air bags, a water inlet cavity 1 is arranged in the movable plate, and the water outlet pipe is connected with the water inlet cavity 1 through-connection.

[0010] As a preferred embodiment of the present invention, a vent hole and a vent cavity 1 are provided in the support plate 2, the vent cavity 1 is through-connected with the airbag through the vent hole, a vent pipe is installed on the support plate 2, the vent pipe is through-connected with the vent cavity 1, the lower end of the vent pipe is connected to the protective member, and the lower end of the vent pipe is through-connected with the protective bag 1.

[0011] Furthermore, the drilling assembly includes a motor, which is arranged on the upper wall of the movable plate, and a limiting ring is installed on the bottom wall of the movable plate, a mounting seat is movably installed in the limiting ring, the upper end of the mounting seat is connected to the output shaft end of the motor, and a drill rod is installed at the lower end of the mounting seat, and the lower end of the drill rod is movably penetrates the support plate 2 and the through hole 3 in sequence and is arranged in the protective member, a water inlet chamber 2 is provided in the limiting ring, and a plurality of water inlet holes for water flow are provided on the side wall of the mounting seat, the water inlet chamber 2 is connected to the water inlet chamber 1 through a connecting pipe, the water inlet chamber 2 is connected with the water inlet hole, and the water inlet hole is connected with the drill rod, the water flow in the water inlet chamber 1 enters the water inlet chamber 2 through the connecting pipe, and enters the drill rod through the water inlet hole, and the drill rod is sprayed during the drilling process.

[0012] Preferably, when not in use, a mounting plate is placed between the movable plate and the second supporting plate, and the mounting plate is used to support the movable plate.

[0013] Furthermore, a through hole four is provided on the bottom plate, and the through hole four is provided at the lower end of the through hole three, so that the drill rod can pass through the through hole four for drilling. An opening and closing door is provided in the through hole four. When the drill rod is not in use, it is stored in the protective part and the opening and closing door is closed.

[0014] After adopting the above structure, the beneficial effects of the present invention are as follows:

[0015] (1) When drilling the drill pipe, the connecting piece squeezes the pushing plate through the connecting rod, and the pushing plate squeezes the fixed water tank. The water in the fixed water tank enters the water inlet chamber 2 and enters the drill pipe through the water inlet hole. During the drilling process, the drill pipe is sprayed.

[0016] (2) When the movable plate moves downward, the airbag is squeezed, and the gas in the airbag enters into protective bag 1. The gas in protective bag 1 enters into protective bag 2 through ventilation cavity 2. Protective bag 1 and protective bag 2 swell to protect the surroundings and reduce the risk of debris splashing during drilling, while also reducing noise emissions.

[0017] (3) When the equipment is not in use, the drill rod is stored in the protective part, and the opening and closing door in the through hole 4 of the bottom wall of the bottom plate is in a closed state, which is convenient for protecting the drill rod. When in use, water is placed in a fixed water tank, and the weight of the water further increases the stability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0019] Figure 1This is a structural schematic diagram of a drilling device for road engineering quality inspection proposed by the present invention;

[0020] Figure 2 A three-dimensional diagram of a drilling device for road engineering quality inspection proposed by the present invention;

[0021] Figure 3 This is a front and cross-sectional view of a drilling device for road engineering quality inspection proposed by the present invention;

[0022] Figure 4 for Figure 3 A local enlarged view of point A;

[0023] Figure 5 for Figure 3 A local enlarged view of point B;

[0024] Figure 6 for Figure 3 A local enlarged view of point C;

[0025] Figure 7 A schematic diagram of the structure of the protection component.

[0026] In the attached drawings: 1, bottom plate, 2, load-bearing member, 3, limit frame, 4, protection component, 5, drilling component, 6, regulating component 1, 7, regulating component 2, 8, driving component, 9, spray component, 10, support rod, 11, support plate 2, 12, protection member, 13, through hole 1, 14, through hole 2, 15, through hole 3, 16, protection bag 1, 17, protection bag 2, 18, ventilation cavity 2, 19, support plate 1, 20, gear condition 3, 21, hydraulic rod, 22, connection Parts, 23, moving plate, 24, driving gear one, 25, connecting shaft one, 26, driven gear one, 27, gear condition one, 28, fixed water tank, 29, pushing plate, 30, connecting rod, 31, water outlet pipe, 32, air bag, 33, water inlet chamber one, 34, vent hole, 35, vent chamber one, 36, vent pipe, 37, motor, 38, limit ring, 39, mounting seat, 40, drill rod, 41, water inlet chamber two, 42, water inlet hole, 43, mounting plate, 44, through hole four. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] like Figure 1-Figure 7 As shown, a drilling device for road engineering quality inspection includes a base plate 1 for supporting and fixing, a load-bearing member 2 is installed on the base plate 1, a limit frame 3 is installed on the load-bearing member 2, a protection component 4 is installed on the outer wall of the limit frame 3, a drilling component 5 is installed on the upper end of the protection component 4, a regulating component 1 6 and a regulating component 2 7 are installed on the bottom wall of the drilling component 5, a driving component 8 is movably installed in the limit frame 3, and the driving component 8 is connected to the regulating component 1 6 and the regulating component 2 7, and a spray component 9 is also installed on the base plate 1, and the upper end of the spray component 9 is connected to the drilling component 5.

[0030] The protection component 4 includes a support rod 10 for support, the support rod 10 is arranged on the upper wall of the bottom plate 1, a support plate 2 11 is installed on the upper end of the support rod 10, and a protection member 12 is sleeved on the lower end of the support rod 10. The upper wall of the protection member 12 is provided with a through hole 13, a through hole 2 14 and a through hole 3 15, a protection bag 1 16 and a protection bag 2 17 are installed in the protection member 12, the protection bag 1 16 is arranged on the inner wall of the protection member 12, the protection bag 2 17 is arranged in the protection bag 1 16, and a ventilation cavity 2 18 is provided in the protection member 12, and the protection bag 1 16 and the protection bag 2 17 are connected through the ventilation cavity 2 18;

[0031] It should be noted that after the gas enters the protective bag 1 16, it enters the protective bag 2 17 through the ventilation cavity 2 18. The protective bags 1 16 and 17 are both in a bulging state, enclosing the drill rod 40, which can reduce the risk of debris splashing during the drilling process and also reduce noise.

[0032] The driving assembly 8 includes a support plate 19 and a gear condition 3 20, a hydraulic rod 21 is installed on the support plate 19, the gear condition 3 20 is movably clamped in the limit frame 3, and the gear condition 3 20 is placed through the limit frame 3, and a connecting piece 22 is installed on one end of the gear condition 3 20 close to the hydraulic rod 21, and the movable end of the hydraulic rod 21 is connected to the connecting piece 22. When the hydraulic rod 21 works, it pushes the gear condition 3 20 to slide along the limit frame 3 through the connecting piece 22.

[0033] The drilling assembly 5 includes a movable plate 23, and the regulating assembly 6 includes a driving gear 24, a connecting shaft 25, a driven gear 26 and a gear condition 27. The upper end of the gear condition 27 is arranged on the bottom wall of the movable plate 23, and the other end of the gear condition 27 is movably penetrated through the supporting plate 2 11 and the through hole 13 in sequence and then arranged in the protective member 12. The gear condition 27 in the regulating assembly 27 is movably penetrated through the supporting plate 2 11 and the through hole 2 14 in sequence and then arranged in the protective member 12. The driving gear 24 is movably connected to the limit frame 3, and the driving gear 24 is meshed and connected with the gear condition 3 20. The connecting shaft 25 is arranged at the center position of the driving gear 24, and the driven gear 26 is installed on the other end of the connecting shaft 25. The gear condition 27 is meshed and connected with the driven gear 26. The regulating assembly 27 and the regulating assembly 6 have the same structure and are not introduced here.

[0034] It should be noted that when the gear condition three 20 moves from right to left and slides along the limit frame 3, it can drive the active gear 1 24 meshing therewith to rotate clockwise, and the active gear 1 24 drives the connecting shaft 1 25 to rotate, and the connecting shaft 1 25 drives the driven gear 1 26 to rotate clockwise, and the driven gear 1 26 drives the gear condition 1 27 to descend, and the regulating component 2 7 and the regulating component 1 6 make the same movement, and the gear condition 1 27 and the gear condition 2 drive the moving plate 23 to descend.

[0035] In this embodiment, the spray assembly 9 includes a fixed water tank 28, which is arranged on the base plate 1. A pushing plate 29 is installed on the side wall of the fixed water tank 28. A connecting rod 30 is installed on the pushing plate 29. The connecting rod 30 is connected to the connecting member 22. A water outlet pipe 31 is installed on the fixed water tank 28, and the upper end of the water outlet pipe 31 is connected to the movable plate 23; when the hydraulic rod 21 works to drive the connecting member 22 to move from right to left, the connecting member 22 drives the connecting rod 30 to move, the connecting rod 30 squeezes the pushing plate 29, and the pushing plate 29 squeezes the fixed water tank 28, and the water in the fixed water tank 28 is discharged from the water outlet pipe 31 into the movable plate 23.

[0036] An air bag 32 is installed between the movable plate 23 and the supporting plate 11, the drilling assembly 5 is arranged between the air bags 32, a water inlet cavity 33 is arranged in the movable plate 23, and the water outlet pipe 31 is connected to the water inlet cavity 33; a vent hole 34 and a vent cavity 35 are arranged in the supporting plate 11, the vent cavity 35 is connected to the air bag 32 through the vent hole 34, a vent pipe 36 is installed on the supporting plate 11, the vent pipe 36 is connected to the vent cavity 35, the lower end of the vent pipe 36 is connected to the protective member 12, and the lower end of the vent pipe 36 is connected to the protective bag 16;

[0037] It should be noted that when the movable plate 23 moves downward, the airbag 32 is squeezed, and the gas in the airbag 32 enters into the ventilation cavity 35 through the vent hole 34, and enters into the ventilation pipe 36 through the ventilation cavity 35, and then enters into the protective bag 16. The gas in the protective bag 16 enters into the protective bag 2 17 through the ventilation cavity 2 18. The protective bags 16 and 17 swell to protect the surroundings and reduce noise emissions.

[0038] The drilling assembly 5 includes a motor 37, which is arranged on the upper wall of the movable plate 23. A limit ring 38 is installed on the bottom wall of the movable plate 23. A mounting seat 39 is movably installed in the limit ring 38. The upper end of the mounting seat 39 is connected to the output shaft end of the motor 37. A drill rod 40 is installed at the lower end of the mounting seat 39. The lower end of the drill rod 40 is movably penetrated through the support plate 2 11 and the through hole 3 15 in sequence and is then arranged in the protective member 12. The limit ring 38 is provided with a Water inlet chamber 2 41, the side wall of the mounting seat 39 is provided with a plurality of water inlet holes 42 for water flow, the water inlet chamber 2 41 is connected to the water inlet chamber 1 33 via a connecting pipe, the water inlet chamber 2 41 is through-connected with the water inlet hole 42, the water inlet hole 42 is through-connected with the drill rod 40, the water flow in the water inlet chamber 1 33 enters the water inlet chamber 2 41 through the connecting pipe, and enters the drill rod 40 through the water inlet hole 42, and the drill rod 40 is sprayed during the drilling process.

[0039] When not in use, a mounting plate 43 is placed between the movable plate 23 and the supporting plate 11 , and the mounting plate 43 is used to support the movable plate 23 .

[0040] The bottom plate 1 is provided with a through hole four 44, and the through hole four 44 is arranged at the lower end of the through hole three 15, so that the drill rod 40 can penetrate through the through hole four for drilling. An opening and closing door is provided in the through hole four 44. When the drill rod 40 is not in use, it is stored in the protective member 12 and the opening and closing door is closed.

[0041] The specific usage is as follows:

[0042] When the equipment is not in use, the drill rod 40 is stored in the protective member 12, and the opening and closing door in the through hole 44 of the bottom wall of the bottom plate 1 is closed, so as to protect the drill rod 40, and at the same time, the mounting plate 43 is placed between the moving plate 23 and the supporting plate 11, so as to support the moving plate 23 and the motor 37;

[0043] When the equipment is needed, after the equipment is moved to the road where drilling is required, the mounting plate 43 is removed from the supporting plate 2 11 and the movable plate 23, the opening and closing door in the through hole 44 in the bottom wall of the bottom plate 1 is opened, and water is placed in the fixed water tank 28, and the weight of the water further increases the stability of the equipment;

[0044] like Figure 1 As shown, when the hydraulic rod 21 works and drives the connecting member 22 to move from right to left, the connecting member 22 drives the gear condition three 20 to slide from right to left along the limit frame 3, and the gear condition three 20 can drive the active gear 1 24 meshing therewith to rotate clockwise, and the active gear 1 24 drives the connecting shaft 1 25 to rotate, and the connecting shaft 1 25 drives the driven gear 1 26 to rotate clockwise, and the driven gear 1 26 drives the gear condition 1 27 to descend, and the regulating component 2 7 and the regulating component 1 6 make the same movement, and the gear condition 1 27 and the gear condition 2 drive the moving plate 23 to descend, and the moving plate 23 drives the motor 37 and the drill rod 40 to move downward, and at the same time, the motor 37 works and drives the mounting seat 39 to rotate, and the mounting seat 39 drives the drill rod 40 to rotate, and the drill rod 40 drills the road;

[0045] At the same time, the connecting piece 22 drives the connecting rod 30 to move, the connecting rod 30 squeezes the pushing plate 29, the pushing plate 29 squeezes the fixed water tank 28, the water in the fixed water tank 28 is discharged from the water outlet pipe 31 into the water inlet chamber 1 33 of the movable plate 23, the water in the water inlet chamber 1 33 enters the water inlet chamber 2 41 through the connecting pipe, and enters the drill rod 40 through the water inlet hole 42, and the drill rod 40 is sprayed during the drilling process;

[0046] When the movable plate 23 moves downward, the airbag 32 is squeezed, and the gas in the airbag 32 enters into the ventilation chamber 35 through the vent hole 34, and enters into the ventilation pipe 36 through the ventilation chamber 35, and then enters into the protective bag 16. The gas in the protective bag 16 enters into the protective bag 2 17 through the ventilation chamber 2 18. The protective bags 16 and 17 swell to protect the surroundings and reduce the risk of debris splashing during drilling, while also reducing noise emissions.

[0047] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural modes and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they shall all fall within the scope of protection of the present invention.

Claims

1. A drilling device for road engineering quality inspection, comprising a base plate for support and fixation, a load-bearing member is installed on the base plate, and a limit position frame is installed on the load-bearing member, characterized in that: The outer wall of the limit frame is installed with a protection component, the upper end of the protection component is installed with a drilling component, the bottom wall of the drilling component is installed with a regulating component 1 and a regulating component 2, a driving component is movably installed in the limit frame, the driving component is connected to the regulating component 1 and the regulating component 2, a spray component is also installed on the bottom plate, and the upper end of the spray component is connected to the drilling component; The protection component includes a support rod for support, the support rod is arranged on the upper wall of the bottom plate, a support plate 2 is installed on the upper end of the support rod, a protection piece is sleeved on the lower end of the support rod, a through hole 1, a through hole 2 and a through hole 3 are arranged on the upper wall of the protection piece, a protection bag 1 and a protection bag 2 are installed in the protection piece, the protection bag 1 is arranged on the inner wall of the protection piece, the protection bag 2 is arranged in the protection bag 1, a ventilation cavity 2 is arranged in the protection piece, and the protection bag 1 and the protection bag 2 are connected through the ventilation cavity 2; The driving assembly includes a support plate 1 and a gear condition 3, a hydraulic rod is installed on the support plate 1, the gear condition 3 is movably clamped in a limit frame, and the gear condition 3 passes through the limit frame, a connecting piece is installed on one end of the gear condition 3 close to the hydraulic rod, and the movable end of the hydraulic rod is connected to the connecting piece; The drilling assembly includes a movable plate, and the regulating assembly 1 includes a driving gear 1, a connecting shaft 1, a driven gear 1 and a gear condition 1. The upper end of the gear condition 1 is arranged on the bottom wall of the movable plate, and the other end of the gear condition 1 is movably penetrated through the supporting plate 2 and the through hole 1 in sequence and then arranged in the protective member. The gear condition 1 in the regulating assembly 2 is movably penetrated through the supporting plate 2 and the through hole 2 in sequence and then arranged in the protective member. The driving gear 1 is movably connected to the limit frame, and the driving gear 1 is meshed with the gear condition 3. The connecting shaft 1 is arranged at the center position of the driving gear 1, and the driven gear 1 is installed on the other end of the connecting shaft 1, and the gear condition 1 is meshed with the driven gear 1.

2. The drilling device for road engineering quality inspection according to claim 1, characterized in that: The spray assembly includes a fixed water tank, which is arranged on the bottom plate. A pushing plate is installed on the side wall of the fixed water tank. A connecting rod is installed on the pushing plate. The connecting rod is connected to the connecting piece. A water outlet pipe is installed on the fixed water tank, and the upper end of the water outlet pipe is connected with the movable plate.

3. The drilling device for road engineering quality inspection according to claim 2 is characterized in that: An air bag is installed between the movable plate and the second supporting plate, the drilling assembly is arranged between the air bags, a water inlet cavity 1 is arranged in the movable plate, and the water outlet pipe is connected with the water inlet cavity 1 through-connection.

4. The drilling device for road engineering quality inspection according to claim 3 is characterized in that: The support plate 2 is provided with a vent hole and a vent cavity 1, the vent cavity 1 is connected to the airbag through the vent hole, a vent pipe is installed on the support plate 2, the vent pipe is connected to the vent cavity 1, the lower end of the vent pipe is connected to the protective member, and the lower end of the vent pipe is connected to the protective bag 1.

5. The drilling device for road engineering quality inspection according to claim 4 is characterized in that: The drilling assembly includes a motor, which is arranged on the upper wall of the movable plate, and a limiting ring is installed on the bottom wall of the movable plate. A mounting seat is movably installed in the limiting ring, and the upper end of the mounting seat is connected to the output shaft end of the motor. A drill rod is installed at the lower end of the mounting seat, and the lower end of the drill rod is movably penetrates the second support plate and the third through hole in sequence and is then arranged in the protective member. A water inlet chamber 2 is provided in the limiting ring, and a plurality of water inlet holes for water flow are provided on the side wall of the mounting seat. The second water inlet chamber is connected to the first water inlet chamber by a connecting pipe, and the second water inlet chamber is connected to the water inlet hole, and the water inlet hole is connected to the drill rod.

6. The drilling device for road engineering quality inspection according to claim 5, characterized in that: When not in use, a mounting plate is placed between the movable plate and the second supporting plate, and the mounting plate is used to support the movable plate.

7. The drilling device for road engineering quality inspection according to claim 6, characterized in that: The bottom plate is provided with a through hole four, the through hole four is arranged at the lower end of the through hole three, and an opening and closing door is arranged in the through hole four.

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