CN116046452B

CN116046452B - Concrete drilling coring equipment for quality supervision of constructional engineering

Info

Publication number: CN116046452B
Application number: CN202310206231.7A
Authority: CN
Inventors: 叶德英; 叶峻林
Original assignee: Yantai Construction Project Quality And Safety Supervision Station
Current assignee: Yantai Construction Project Quality And Safety Supervision Station
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-06-09
Anticipated expiration: 2043-03-07
Also published as: CN116046452A

Abstract

The invention discloses concrete drilling and coring equipment for building engineering quality supervision, and relates to the field of building engineering equipment. The scheme is that the automatic driving assembly comprises a reciprocating driving assembly and a pipeline system for transmitting power to the reciprocating driving assembly, the reciprocating driving assembly is provided with the automatic driving assembly on the manual driving assembly, the reciprocating driving assembly drives the reciprocating driving assembly to intermittently drive the threaded rod to rotate by utilizing water pressure of water flow for cooling a drill bit, so that the supporting seat can drive the drill bit to slowly descend for drilling and coring, and once water shortage and cutoff occur, the drill bit can lose descending power to achieve the effect of water shortage and shutdown.

Description

Concrete drilling coring equipment for quality supervision of constructional engineering

Technical Field

The invention relates to the field of constructional engineering equipment, in particular to concrete drilling and coring equipment for constructional engineering quality supervision.

Background

The quality supervision range of the construction engineering is wide, wherein after the concrete pavement is poured, coring analysis is needed, the quality is qualified, and the concrete pavement can be put into use, and coring is that a section of concrete core is drilled on the pavement, so that coring equipment is needed.

In this regard, the chinese patent of the invention, publication No. CN113281092a, discloses a concrete drilling and coring device for quality supervision of construction engineering, and relates to the technical field of construction engineering devices. The novel steel plate pressing device comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a supporting rod, one end of the supporting rod, far away from the bottom plate, is fixedly connected with a transverse plate, the interior of the transverse plate is movably connected with a threaded rod through a bearing seat, the outer surface of the threaded rod is in threaded connection with an installation steel plate, the lower surface of the installation steel plate is provided with a protective cover, and one side of the protective cover, far away from the installation steel plate, is fixedly connected with a pressing ring.

The drill bit is slowly pressed down to core by manually controlling the rotation of the threaded rod, and the drill bit is required to be uniformly pressed down due to the hard concrete texture, otherwise, the drill bit is extremely easy to collapse, the technical capability requirement on operators is high, the core cannot be automatically and slowly taken at uniform speed, the drill bit cannot be automatically stopped to be pressed down after water for cooling the drill bit is broken, and the safety of the drill bit cannot be guaranteed.

Disclosure of Invention

Object of the invention

Therefore, the invention aims to provide the concrete drilling coring equipment for the quality supervision of the construction engineering, so as to realize the automatic uniform descending of the drill bit for coring, and the descending of the drill bit can be automatically stopped after water is cut off, thereby preventing the drill bit from being damaged.

(II) technical scheme

In order to achieve the technical purpose, the invention provides concrete drilling and coring equipment for building engineering quality supervision, which comprises the following steps:

the automatic drilling device comprises a frame and a drilling component which is assembled on the frame and used for coring, a water pump used for cooling by water is assembled on the drilling component, a lifting mechanism used for driving the drilling component to move up and down is assembled on the frame, the lifting mechanism comprises a supporting component, a manual driving component and an automatic driving component assembled on the manual driving component, the automatic driving component comprises a reciprocating driving component and a pipeline system used for transmitting power for the reciprocating driving component, the reciprocating driving component comprises a supporting plate, a protecting shell and a sealing cover which is fixed on the supporting plate, a water wheel is rotationally connected in the sealing cover, a transmission disc is rotationally connected at the axis center of the water wheel through a shaft, a connecting rod is rotationally connected at one side of the transmission disc, which is away from the sealing cover, a push-pull rod is rotationally connected at one end of the connecting rod, which is away from the transmission disc, a pawl is rotationally connected at the other end of the push-pull rod, two ends of the pawl are respectively provided with a torsion spring through a shaft, a ratchet wheel is meshed on the side of the pawl, and the push-pull rod is slidingly connected with the protecting shell.

Preferably, the frame comprises a chassis, and an armrest and a support rod are fixed on the upper surface of the chassis.

Preferably, the drilling assembly comprises a fuel engine, a transmission piece, a driving shaft and a drill bit, wherein the output end of the fuel engine is linked with the driving shaft through the transmission piece, and the end part of the drill bit is fixed at the bottom of the driving shaft.

Preferably, the support assembly comprises two guide rods, two support seats and a fixing frame, wherein the two guide rods are arranged, the bottoms of the two guide rods are fixed on the chassis, the two sides of the fixing frame are respectively sleeved and fixed at the tops of the two guide rods, the two sides of the support seat are respectively in sliding connection with the two guide rods, the fuel engine is fixed on the support seat, the driving shaft is rotationally connected with the support seat through a bearing, and one end of the supporting rod, which is far away from the chassis, is fixed on the fixing frame.

Preferably, the manual driving assembly comprises a threaded rod, a threaded sleeve and a hand wheel, wherein the threaded sleeve is inserted and fixed on the supporting seat, the threaded rod sequentially penetrates through the fixing frame and the supporting seat from top to bottom, the threaded rod is rotationally connected with the fixing frame through a bearing, the threaded rod is connected with the threaded sleeve through threads, and the hand wheel is sleeved and fixed on the top end of the threaded rod.

Preferably, the protecting shell is fixed on the fixing frame, the top of the threaded rod penetrates through the protecting shell, and the ratchet wheel is sleeved and fixed on the top of the threaded rod.

Preferably, the support seat is fixedly provided with a sleeve flange, the top of the driving shaft penetrates through the sleeve flange and is fixedly connected with the input end of the water pump, the bottom of the water pump is fixedly arranged on the sleeve flange, the surface of the water pump is fixedly provided with a water inlet pipe joint and a water outlet pipe joint, the water outlet pipe joint is fixedly provided with a guide pipe, and the inner cavity of the water pump is communicated with the inner cavity of the sleeve flange through the guide pipe.

Preferably, the pipeline system comprises a water supply pipe, a four-way valve, a first water pipe, a second water pipe and a third water pipe, wherein four interfaces of the four-way valve are respectively connected with the four-way valve, the first water pipe, the second water pipe and the third water pipe, the end parts, far away from the four-way valve, of the first water pipe and the second water pipe are respectively connected and fixed with two sides of the sealing cover, and one end, far away from the four-way valve, of the third water pipe is connected with the water inlet pipe joint.

Preferably, the chassis is provided with a roller mechanism convenient for the chassis to move, the roller mechanism comprises two directional wheel assemblies and a directional wheel assembly, the directional wheel assemblies comprise roller frame plates and rollers, the roller frame plates are rotationally connected with the chassis through shafts, the rollers are rotationally connected with the roller frame plates through shafts, the directional wheel assembly comprises a U-shaped frame, pedals and universal wheels, the U-shaped frame is fixed on the chassis, the pedals are rotationally connected with the U-shaped frame, and the universal wheels are fixed at the bottoms of the pedals.

Preferably, the directional wheel assembly is provided with a pinch roller mechanism for driving the directional wheel assembly to rotate, the pinch roller mechanism comprises a pushing component and a pulling plate, the pulling plate is fixed on the supporting seat, the pushing component comprises a connecting pile, a pressing plate and a pushing rod, the connecting pile is fixed on the supporting rod, the pressing plate is rotationally connected with the connecting pile through a shaft, two ends of the pushing rod are respectively hinged with the roller frame plate and the pressing plate, and one end of the pulling plate, far away from the supporting seat, is propped against the lower surface of the pressing plate.

According to the technical scheme, the application has the following beneficial effects:

through being equipped with automatic drive assembly on manual drive assembly, utilize the rivers water pressure drive reciprocating drive assembly intermittent type nature drive threaded rod rotation of cooling for the drill bit, make the supporting seat can drive the slow decline drilling coring of drill bit to in case the condition of water shortage cutout appears, the drill bit can lose the power of decline, can avoid not having under the water-cooling state, continue drilling coring and lead to the problem of drill bit damage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a schematic view of a partial explosion structure provided by the present invention;

FIG. 3 is a schematic view of a partial explosion structure of the lifting mechanism in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of a partial exploded view of the reciprocating drive assembly of FIG. 3 in accordance with the present invention;

FIG. 5 is a schematic view of the whole structure of the roller mechanism in FIG. 2 according to the present invention;

fig. 6 is a schematic view of the overall structure of the pushing assembly of fig. 2 provided by the present invention.

Description of the drawings: 1. a frame; 11. a chassis; 12. an armrest; 13. a support rod; 2. a drilling assembly; 21. an oil burner; 22. a transmission member; 23. a drive shaft; 24. a drill bit; 3. a lifting mechanism; 31. a support assembly; 311. a guide rod; 312. a support base; 313. a fixing frame; 32. a threaded rod; 33. a screw sleeve; 34. a hand wheel; 35. a reciprocating drive assembly; 351. a support plate; 352. a sealing cover; 353. a water wheel; 354. a drive plate; 355. a connecting rod; 356. a push-pull rod; 357. a pawl; 358. a torsion spring; 359. a ratchet wheel; 360. a protective shell; 36. a pipeline system; 361. a water supply pipe; 362. a four-way valve; 363. a first water pipe; 364. a second water pipe; 365. a third water pipe; 4. a roller mechanism; 41. a directional wheel assembly; 411. a roller frame plate; 412. a roller; 42. a steering wheel assembly; 421. a U-shaped frame; 422. a pedal; 423. a universal wheel; 5. a pinch roller mechanism; 51. a pushing assembly; 511. connecting piles; 512. a pressing plate; 513. pushing the pressing rod; 52. a poking plate; 6. a water pump; 7. a sleeve flange; 8. a catheter.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, the same or similar reference numerals indicate the same or similar parts and features. The drawings merely schematically illustrate the concepts and principles of embodiments of the disclosure and do not necessarily illustrate the specific dimensions and proportions of the various embodiments of the disclosure. Specific details or structures may be shown in exaggerated form in particular figures to illustrate related details or structures of embodiments of the present disclosure.

Referring to fig. 1-6:

embodiment one.

The concrete drilling and coring equipment for the quality supervision of the building engineering comprises a frame 1, wherein the frame 1 comprises a chassis 11, and an armrest 12 and a supporting rod 13 are fixed on the upper surface of the chassis 11.

And the drilling assembly 2 is assembled on the frame 1 and used for coring, the drilling assembly 2 comprises a fuel engine 21, a transmission piece 22, a driving shaft 23 and a drill bit 24, the fuel engine 21 adopts a pull wire starting type small engine, the transmission piece 22 comprises two belt pulleys and a synchronous belt, the two belt pulleys are respectively connected and fixed with the output end of the fuel engine 21 and the driving shaft 23, the two ends of the synchronous belt are respectively sleeved on the two belt pulleys, the end part of the drill bit 24 is fixed at the bottom of the driving shaft 23, the fuel engine 21 drives the driving shaft 23 to rotate through the cooperation of the two belt pulleys and the synchronous belt, so that the drill bit 24 drills and is cored, the inside of the drill bit 24 is hollow, and a core sample can be drilled into the drill bit 24.

The frame 1 is provided with a lifting mechanism 3 for driving the drilling assembly 2 to move up and down so that the drill bit 24 can drill down to take core samples, and specifically, the lifting mechanism 3 comprises a supporting assembly 31, a manual driving assembly and an automatic driving assembly assembled on the manual driving assembly.

Specifically, as shown in fig. 3, the supporting component 31 includes two guide rods 311, a supporting seat 312 and a fixing frame 313, the two guide rods 311 are arranged, the bottoms of the two guide rods 311 are fixed on the chassis 11, two sides of the fixing frame 313 are respectively sleeved and fixed at the tops of the two guide rods 311, two sides of the supporting seat 312 are respectively in sliding connection with the two guide rods 311, the fuel engine 21 is fixed on the supporting seat 312, the driving shaft 23 is rotationally connected with the supporting seat 312 through a bearing, one end of the supporting rod 13, far away from the chassis 11, is fixed on the fixing frame 313, and the supporting rod 13, the chassis 11, the guide rods 311 and the fixing frame 313 form a triangle structure, so that the supporting stability of the guide rods 311 is improved.

More specifically, as shown in fig. 2 and 3, the manual driving assembly includes a threaded rod 32, a threaded sleeve 33 and a hand wheel 34, the threaded sleeve 33 is inserted and fixed on a supporting seat 312, the threaded rod 32 sequentially passes through a fixing frame 313 and the supporting seat 312 from top to bottom, the threaded rod 32 is rotationally connected with the fixing frame 313 through a bearing, the threaded rod 32 is in threaded connection with the threaded sleeve 33, the hand wheel 34 is sleeved and fixed on the top end of the threaded rod 32, the hand wheel 34 is rotated to drive the threaded rod 32 to rotate, and the threaded rod 32 can drive the supporting seat 312 to lift up and down through the threaded sleeve 33.

Further, the automatic driving assembly is used on the basis of a manual driving assembly, the automatic driving assembly comprises a reciprocating driving assembly 35 and a pipeline system 36 for transmitting power to the reciprocating driving assembly 35, the reciprocating driving assembly 35 comprises a supporting plate 351, a protecting shell 360 and a sealing cover 352 fixed on the supporting plate 351, the protecting shell 360 is fixed on a fixing frame 313, the top of a threaded rod 32 penetrates through the protecting shell 360, and a ratchet 359 is sleeved and fixed on the top of the threaded rod 32.

The inside rotation of sealed cowling 352 is connected with water wheels 353, the axle center department of water wheels 353 is connected with drive disk 354 through the axle rotation, and connecting rod 355 and drive disk 354 eccentric connection, the one side that drive disk 354 deviates from sealed cowling 352 is connected with connecting rod 355 through the axle eccentric rotation, the one end that connecting rod 355 deviates from drive disk 354 is rotated and is connected with push-and-pull rod 356, and the one end that push-and-pull rod 356 deviates from drive disk 354 is rotated and is connected with pawl 357, both ends of pawl 357 all are connected with torsional spring 358 through the axle, the side meshing of pawl 357 has ratchet 359, torsional spring 358 plays the effect of providing the elasticity for pawl 357, pawl 357 initial state can only clockwise rotation, guarantee pawl 357 can only promote ratchet 359 counter-clockwise rotation, can't stimulate ratchet 356 clockwise rotation, push-and-pull rod 356 and protective housing 360 sliding connection, drive disk 354 through connecting rod 355 and reciprocating motion on protective housing 360, then promote counter-clockwise rotation of pawl 357 and ratchet 356, ratchet push-and-pull rod 356 rotate, and ratchet push-pull rod 32 rotate down through pawl 357 counter-clockwise.

Considering that the drill bit 24 heats up during drilling, the water pump 6 for water cooling is mounted on the drilling assembly 2, the sleeve flange 7 is fixed on the supporting seat 312, the top of the driving shaft 23 passes through the sleeve flange 7 and is connected and fixed with the input end of the water pump 6, when the driving shaft 23 drives the drill bit 24 to rotate, the water pump 6 is driven to work, that is, the turbine in the water pump 6 works, and the working principle of the water pump 6 is known disclosed technology and will not be described herein.

The sleeve flange 7 is fixed on the supporting seat 312, the bottom of the water pump 6 is fixed on the sleeve flange 7, the surface of the water pump 6 is fixed with a water inlet pipe joint and a water outlet pipe joint, the water pump 6 works, under the connection state of the water inlet pipe and an external water source, water is pumped into the water pump 6 from the water inlet pipe, the water outlet pipe joint is fixed with a guide pipe 8, the inner cavity of the water pump 6 is communicated with the inner cavity of the sleeve flange 7 through the guide pipe 8, water pumped into the water pump 6 can flow into the sleeve flange 7, the middle part of the driving shaft 23 is hollowed out, and the water can cool the drill bit 24 through the driving shaft 23 to the drill bit 24.

Further, in order to drive the water wheel 353 to rotate by using the water pressure, the pipeline system 36 comprises a water supply pipe 361, a four-way valve 362, a first water pipe 363, a second water pipe 364 and a third water pipe 365, four interfaces of the four-way valve 362 are respectively connected with the four-way valve 362, the first water pipe 363, the second water pipe 364 and the third water pipe 365, ends of the first water pipe 363 and the second water pipe 364 far away from the four-way valve 362 are respectively connected and fixed with two sides of the sealing cover 352, one end of the third water pipe 365 far away from the four-way valve 362 is connected with a water inlet pipe joint, the four-way valve 362 is switched to have two open states, the first water supply pipe 361 is communicated with the first water pipe 363, the second water pipe 364 is communicated with the third water pipe 365, the second water supply pipe 361 is directly communicated with the third water pipe 365, water enters the sealing cover 352 from the four-way valve 362 and the first water pipe 363 in the first state, the water is pushed by the water wheel 353 to rotate in a manual mode, the water is directly pumped into the drill bit 24 in the water pump 6 in the manual mode, and the water wheel assembly 34 can be manually rotated by a worker to drill the water wheel assembly 2.

In order to facilitate the movement of the chassis 1, the chassis 11 is provided with a roller mechanism 4 which facilitates the movement of the chassis 11, the roller mechanism 4 comprises two directional wheel assemblies 41 and a directional wheel assembly 42, the directional wheel assembly 41 comprises a roller frame plate 411, the roller frame plate 411 is rotationally connected with the chassis 11 through a shaft, the roller 412 is rotationally connected with the roller frame plate 411 through a shaft, the directional wheel assembly 42 comprises a U-shaped frame 421, a pedal 422 and universal wheels 423, the U-shaped frame 421 is fixed on the chassis 11, the pedal 422 is rotationally connected with the U-shaped frame 421, the universal wheels 423 are fixed at the bottom of the pedal 422, the universal wheels 423 can be driven to be pressed down through the pedal 422, and the universal wheels 423 are controlled to be in contact with the ground.

Further, in order to conveniently control the directional wheel assembly 41 to lower the supporting chassis 11 when the drill bit 24 is in a lifted state, when the drill bit 24 works downwards, the directional wheel assembly 41 is lifted to put the chassis 11 down, and working stability is ensured, so that the directional wheel assembly 41 is provided with the pinch roller mechanism 5 for driving the directional wheel assembly 41 to rotate, as shown in fig. 2, 5 and 6, the pinch roller mechanism 5 comprises a push assembly 51 and a push plate 52, the push plate 52 is fixed on the supporting seat 312, the push assembly 51 comprises a connecting pile 511, a pressing plate 512 and a push rod 513, the connecting pile 511 is fixed on the supporting rod 13, the pressing plate 512 is rotationally connected with the connecting pile 511 through a shaft, two ends of the push rod 513 are respectively hinged with the roller frame plate 411 and the pressing plate 512, and one end of the push plate 52 away from the supporting seat 312 abuts against the lower surface of the pressing plate 512.

Working principle: when the drilling assembly is used, as shown in the state of the frame 1, when the bottom of the drilling assembly 2 is higher than the chassis 11, the supporting seat 312 upwards supports the tail end of the pressing plate 512 through the shifting plate 52, so that the head end of the pressing plate 512 presses the pressing rod 513 downwards, the pressing rod 513 pushes the directional wheel assembly 41 to support the frame 1, when the frame 1 needs to be moved, the armrest 12 is held by a hand, the universal wheels 423 are supported by the pedal 422 to support the frame 1, the frame 1 can be pushed to a designated coring position, and then the water supply pipe 361 is connected with an external water pipe or a water outlet end of a water bucket, so that water supply is ensured.

After reaching a designated coring position, the pedal 422 is loosened to enable the frame 1 to be directly supported on the ground, then the fuel engine 21 is started, the fuel engine 21 is matched with the driving shaft 23 through the transmission piece 22 to drive the drill bit 24 to rotate, meanwhile, the driving shaft 23 can drive the turbine in the water pump 6 to rotate to generate negative pressure, external water is pumped into the four-way valve 362 through the water supply pipe 361, the four-way valve 362 has two opening states, the first water supply pipe 361 is communicated with the first water supply pipe 363, the second water supply pipe 364 is communicated with the third water supply pipe 365, the second water supply pipe 361 is directly communicated with the third water supply pipe 365, in the first state, water enters the sealing cover 352 from the water supply pipe 361 through the four-way valve 362 and the first water supply pipe 363, the water wheel 353 drives the connecting rod 355 to drive the ratchet wheel 359 to rotate through the transmission disc 357, the ratchet wheel 357 drives the threaded rod 32 to rotate, the threaded rod 32 drives the threaded rod 33 to rotate anticlockwise, and the threaded rod 33 drives the supporting seat 312 to descend on the guide rod 311, and the drill bit 24 can descend along with the supporting seat 312;

during the descending process of the drill bit 24, water entering the sealing cover 352 enters the water pump 6 through the second water pipe 364, the four-way valve 362 and the third water pipe 365, and then flows into the drill bit 24 through the guide pipe 8, the sleeve flange 7 and the driving shaft 23 to cool the drill bit 24.

After coring is completed, the fuel engine 21 is closed, the hand wheel 34 is rotated clockwise to drive the threaded rod 32 to rotate, the supporting seat 312 is lifted up with the drilling assembly 2, in the lifting process of the supporting seat 312, the pressing plate 512 is lifted up by the pulling plate 52, the pressing plate 512 is pushed by the pressing plate 512 to press the directional wheel assembly 41, the directional wheel assembly 41 props up the frame 1 to improve the height of the frame 1, and core samples in the drill bit 24 are conveniently taken out after the drill bit 24 is lifted up.

Embodiment two.

On the basis of the first embodiment, the pipeline system 36 can adopt another connection mode in consideration of insufficient water pressure during pumping:

the water path that this kind of mode brought changes into, and water pump 6 work, draws water from outside through an increased pipeline and pressurizes in the water pump 6, and the rethread outlet pipe connects to discharge, gets into sealed cowling 352 through delivery pipe 361, cross valve 362 and first raceway 363 in, and the water of discharging through sealed cowling 352 is through second raceway 364, cross valve 362, third raceway 365 and pipe 8 discharge sleeve flange 7.

The exemplary implementation of the solution proposed by the present disclosure has been described in detail hereinabove with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and adaptations can be made to the specific embodiments described above and that various combinations of the technical features, structures proposed by the present disclosure can be made without departing from the scope of the present disclosure, which is defined by the appended claims.

Claims

1. The concrete drilling and coring equipment for monitoring the quality of construction engineering comprises a frame (1) and a drilling component (2) which is assembled on the frame (1) and used for coring, and a water pump (6) used for cooling by water is assembled on the drilling component (2), the concrete drilling and coring equipment is characterized in that a lifting mechanism (3) used for driving the drilling component (2) to move up and down is assembled on the frame (1), the lifting mechanism (3) comprises a supporting component (31), a manual driving component and an automatic driving component assembled on the manual driving component, the automatic driving component comprises a reciprocating driving component (35) and a pipeline system (36) used for transmitting power to the reciprocating driving component (35), the reciprocating driving component (35) comprises a supporting plate (351), a protecting shell (360) and a sealing cover (352) which is fixed on the supporting plate (351), a transmission disc (354) is rotationally connected in the inside of the sealing cover (352), one face of the transmission disc (354) which is away from the sealing cover (352) is rotationally connected with a transmission disc (354) through a shaft, one end of the transmission disc (356) which is connected with a rotating rod (356) which is away from the rotating disc (356), the two ends of the pawl (357) are connected with a torsion spring (358) through a shaft, a ratchet wheel (359) is meshed with the side surface of the pawl (357), the push-pull rod (356) is in sliding connection with the protective shell (360), the frame (1) comprises a chassis (11), an armrest (12) and a supporting rod (13) are fixed on the upper surface of the chassis (11), the drilling component (2) comprises an oil burning machine (21), a transmission piece (22), a driving shaft (23) and a drill bit (24), the output end of the oil burning machine (21) is linked with the driving shaft (23) through the transmission piece (22), the end part of the drill bit (24) is fixed at the bottom of the driving shaft (23), the supporting component (31) comprises two guide rods (311), a supporting seat (312) and a fixing frame (313), the bottoms of the two guide rods (311) are fixed on the chassis (11), two sides of the fixing frame (313) are respectively sleeved and fixed on the tops of the two guide rods (311), two sides of the supporting seat (312) are respectively connected with the two guide rods (311) in a sliding connection with the driving shaft (312) through the supporting seat (312), the utility model discloses a water pump, including chassis (11) and support rod (13), support rod (13) are kept away from one end of chassis (11) and are fixed on mount (313), be fixed with sleeve flange (7) on supporting seat (312), sleeve flange (7) are passed at the top of drive shaft (23) and are connected fixedly with the input of water pump (6), the bottom of water pump (6) is fixed on sleeve flange (7), the surface fixing of water pump (6) has water inlet pipe joint and outlet pipe joint, is fixed with pipe (8) on the outlet pipe joint, just the inner chamber of water pump (6) communicates with the inner chamber of sleeve flange (7) through pipe (8), piping system (36) are including delivery pipe (361), cross valve (362), first raceway (363), second raceway (364) and third raceway (365), four interfaces of cross valve (362) link to each other with cross valve (362), first raceway (363), second raceway (364) and third raceway (365) respectively, first raceway (362) are kept away from the tip of cross valve (362) and are kept away from respectively with the fixed connection of cross valve (365) and are kept away from to keep away from both sides of the fixed connection of cross valve (365).

2. The concrete drilling coring device for construction engineering quality supervision according to claim 1, wherein the manual driving assembly comprises a threaded rod (32), a threaded sleeve (33) and a hand wheel (34), the threaded sleeve (33) is inserted and fixed on a supporting seat (312), the threaded rod (32) sequentially penetrates through a fixing frame (313) and the supporting seat (312) from top to bottom, the threaded rod (32) is rotationally connected with the fixing frame (313) through a bearing, the threaded rod (32) is in threaded connection with the threaded sleeve (33), and the hand wheel (34) is sleeved and fixed at the top end of the threaded rod (32).

3. The concrete drilling and coring apparatus for construction engineering quality supervision as set forth in claim 2, wherein the guard housing (360) is fixed on a fixed frame (313), and the top of the threaded rod (32) passes through the guard housing (360), and the ratchet (359) is socket-fastened to the top of the threaded rod (32).

4. The concrete drilling coring device for construction engineering quality supervision according to claim 1, wherein the chassis (11) is provided with a roller mechanism (4) which facilitates the movement of the chassis (11), the roller mechanism (4) comprises two directional wheel assemblies (41) and one directional wheel assembly (42), the directional wheel assemblies (41) comprise roller frame plates (411) and rollers (412), the roller frame plates (411) are rotatably connected with the chassis (11) through shafts, the rollers (412) are rotatably connected with the roller frame plates (411) through shafts, the directional wheel assembly (42) comprises a U-shaped frame (421), pedals (422) and universal wheels (423), the U-shaped frame (421) is fixed on the chassis (11), the pedals (422) are rotatably connected with the U-shaped frame (421), and the universal wheels (423) are fixed at the bottoms of the pedals (422).

5. A concrete drilling coring apparatus for supervision of construction engineering quality as set forth in claim 4, wherein the directional wheel assembly (41) is equipped with a pinch roller mechanism (5) driving the directional wheel assembly (41) to rotate, the pinch roller mechanism (5) comprises a push-pressing assembly (51) and a push-plate (52), the push-plate (52) is fixed on the support base (312), the push-pressing assembly (51) comprises a connecting pile (511), a pressing plate (512) and a push-pressing rod (513), the connecting pile (511) is fixed on the supporting rod (13), the pressing plate (512) is rotatably connected with the connecting pile (511) through a shaft, two ends of the push-pressing rod (513) are hinged with the roller frame plate (411) and the pressing plate (512) respectively, and one end of the push-plate (52) away from the support base (312) is abutted against the lower surface of the pressing plate (512).