CN211314129U

CN211314129U - Lifting type drilling device for pavement quality detection

Info

Publication number: CN211314129U
Application number: CN202020035651.5U
Authority: CN
Inventors: 王丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-08-21
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses a road surface quality detects uses over-and-under type drilling equipment relates to over-and-under type drilling equipment field, is difficult to control, easy stalling and the high problem of danger degree to current ordinary sample core drilling equipment, now proposes following scheme, and it includes the shell, the die cavity has been seted up in the shell, just install elevator motor, screw rod, optical axis, last diaphragm, pull rod, stopper, lower diaphragm, drilling motor, inner tube, urceolus, spring, water pipe, steady piece and drill bit in the die cavity, elevator motor and shell fixed connection, just elevator motor vertical decurrent output shaft end and screw rod fixed connection, the bottom and the optical axis fixed connection of screw rod, just the screw rod runs through the diaphragm, go up the diaphragm and set up the screw hole that matches with the screw rod. The utility model discloses novel structure, and the device stable in structure, function are abundant, drilling efficiency is high and long service life, suitable popularization.

Description

Lifting type drilling device for pavement quality detection

Technical Field

The utility model relates to an over-and-under type drilling equipment field especially relates to an over-and-under type drilling equipment is used in road surface quality testing.

Background

In a popular way, a modern traffic network can measure the developed degree of a region to a great extent, and the quality of highway engineering determines the service life of the traffic network, so that the country has clear road construction quality detection regulations, one of which is to perform quality detection on roads by drilling and coring with special drill bits, but the hardness of paved roads is high, core drilling and sampling are difficult, and a plurality of common core drilling devices are operated by hands, so that the control is difficult, the drill bits are easy to block, and great danger is generated for operators, therefore, in order to solve the problems, the lifting type drilling device for detecting the road surface quality is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of road surface quality detects uses over-and-under type drilling equipment has solved ordinary sample and has bored core equipment and be difficult to control, stifled commentaries on classics and the high problem of degree of danger easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lifting type drilling device for detecting pavement quality comprises a shell, wherein a cavity is formed in the shell, a lifting motor, a screw rod, an optical shaft, an upper transverse plate, a pull rod, a limiting block, a lower transverse plate, a drilling motor, an inner cylinder, an outer cylinder, a spring, a water pipe, a stabilizing block and a drill bit are installed in the cavity, the lifting motor is fixedly connected with the shell, the tail end of an output shaft of the lifting motor, which faces vertically downwards, is fixedly connected with the screw rod, the bottom end of the screw rod is fixedly connected with the optical shaft, the screw rod penetrates through the upper transverse plate, the upper transverse plate is provided with a threaded hole matched with the screw rod, the threaded hole is in threaded connection with the screw rod, the optical shaft is in sliding connection with the lower transverse plate, the optical shaft penetrates through the lower transverse plate, the top end of the lower transverse plate is fixedly connected with the drilling motor, the tail end of the output shaft, and the output shaft of the drilling motor penetrates through the lower transverse plate, the top end of the drilling motor is fixedly connected with the inner barrel, the peripheral outer wall of the inner barrel is sleeved with the outer barrel, the top end of the outer barrel is fixedly connected with the upper transverse plate, the inner barrel and the outer barrel are both sleeved on the spring, the top end of the lower transverse plate is fixedly connected with the pull rod, the pull rod is symmetrically distributed relative to the drilling motor, the pull rod is connected with the upper transverse plate in a sliding mode, the pull rod penetrates through the upper transverse plate, and the top end of the pull rod is fixedly connected with the limiting block.

Preferably, the top fixedly connected with water tank of shell, just the bottom sealing connection of water tank has the water pipe, the inside of water pipe intercommunication water tank, just the water pipe runs through the top of shell and extends to the outside of drill bit.

Preferably, the circumference outer wall of shell has seted up the spout along its direction of height, just the spout runs through the lateral wall of shell, the one end fixedly connected with litter that the diaphragm is close to the spout down, just litter and spout sliding connection, the litter runs through the spout.

Preferably, the housing is fixedly connected with the stabilizing block, and the stabilizing block is rotatably connected with the bottom end of the optical axis.

Preferably, the base is fixedly sleeved at the bottom of the circumferential outer wall of the shell.

The utility model has the advantages that:

1. through installation water tank and water pipe for the device obtains cooling and lubrication when drilling, has reduced the wearing and tearing of drill bit, has improved the quality and the efficiency of drilling.

2. The lower transverse plate capable of sliding on the optical axis is installed on the lower portion of the shell of the drilling motor, the connecting portion of the lower transverse plate and the optical axis provides a second supporting point except for the connecting portion of the screw rod and the upper transverse plate for the core structure of the device, so that the core structure of the device avoids the pendulum phenomenon, a sliding rod is welded at one end of the lower transverse plate and is designed to slide in a vertical sliding groove in the side wall of the shell, and the sliding rod is restrained by the sliding groove to horizontally swing, so that the structure connected with the sliding rod is prevented from horizontally swinging, and finally the core structure of the device is stabilized.

3. Through installing the spring between drilling motor and last horizontal plate for the thrust that comes from going up the vertical decurrent of horizontal plate is transmitted to the motor after being absorbed by the spring earlier, and the opposite axial vibrations that come from the drill bit also can be absorbed the buffering by the spring, and vibration and impact when this structure has reduced the drilling.

In conclusion, the device has the advantages of stable structure, rich functions, high drilling efficiency and long service life, and is suitable for popularization.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a cross-sectional view of a-a in fig. 1 according to the present invention.

Reference numbers in the figures: the drilling machine comprises a shell 1, a cavity 2, a lifting motor 3, a screw rod 4, an optical axis 5, a threaded hole 6, an upper transverse plate 7, a pull rod 8, a limiting block 9, a lower transverse plate 10, a drilling motor 11, an inner cylinder 12, an outer cylinder 13, a spring 14, a water tank 15, a water pipe 16, a sliding chute 17, a sliding rod 18, a base 19, a stabilizing block 20 and a drill bit 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a lifting type drilling device for pavement quality detection comprises a shell 1, wherein a cavity 2 is formed in the shell 1, a lifting motor 3, a screw rod 4, an optical axis 5, an upper transverse plate 7, a pull rod 8, a limiting block 9, a lower transverse plate 10, a drilling motor 11, an inner cylinder 12, an outer cylinder 13, a spring 14, a water pipe 16, a stabilizing block 20 and a drill bit 21 are installed in the cavity 2, the lifting motor 3 is fixedly connected with the shell 1, the tail end of a vertically downward output shaft of the lifting motor 3 is fixedly connected with the screw rod 4, the bottom end of the screw rod 4 is fixedly connected with the optical axis 5, the screw rod 4 penetrates through the upper transverse plate 7, a threaded hole 6 matched with the screw rod 4 is formed in the upper transverse plate 7, the threaded hole 6 is in threaded connection with the screw rod 4, the optical axis 5 is in sliding connection with the lower transverse plate 10, the top end of the lower transverse plate 10 is fixedly connected with a drilling motor 11, the tail end of a vertically downward output shaft of the drilling motor 11 is fixedly connected with a drill bit 21, the output shaft of the drilling motor 11 is slidably connected with the lower transverse plate 10, the output shaft of the drilling motor 11 penetrates through the lower transverse plate 10, the top end of the drilling motor 11 is fixedly connected with an inner cylinder 12, the circumferential outer wall of the inner cylinder 12 is sleeved with an outer cylinder 13, the top end of the outer cylinder 13 is fixedly connected with an upper transverse plate 7, the inner cylinder 12 and the outer cylinder 13 are both sleeved with a spring 14, the top end of the lower transverse plate 10 is fixedly connected with a pull rod 8, the pull rod 8 is symmetrically distributed relative to the drilling motor 11, the pull rod 8 is slidably connected with the upper transverse plate 7, the pull rod 8 penetrates through the upper transverse plate 7, the top end of the pull rod 8 is fixedly connected with a limit block 9, and the, just the bottom sealing connection of water tank 15 has water pipe 16, the inside of water pipe 16 intercommunication water tank 15, just water pipe 16 runs through the top of shell 1 and extends to the outside of drill bit 21, spout 17 has been seted up along its direction of height to the circumference outer wall of shell 1, just spout 17 runs through the lateral wall of shell 1, the one end fixedly connected with litter 18 that diaphragm 10 is close to spout 17 down, just litter 18 and spout 17 sliding connection, litter 18 runs through spout 17, shell 1 and stabilizing block 20 fixed connection, just stabilizing block 20 rotates with the bottom of optical axis 5 and is connected, base 19 has been cup jointed to the bottom of shell 1 circumference outer wall fixedly.

The working principle is as follows: when the device is used, firstly, the equipment is placed on a road surface needing sampling, enough water is added into a water tank 15, the water flows into the device along a water pipe 16 under the action of self gravity and flows out from an outlet at the lower end of the water pipe 16, water flow falls on the side surface of a drill bit 21 due to inertia to cool and lubricate the whole working process of the drill bit 21, a drilling motor 11 is started to enable the drill bit 21 to rotate, after the drill bit 21 reaches a working rotating speed, a lifting motor 3 is started, the lifting motor 3 drives a screw rod 4 to rotate, the screw rod 4 drives an upper transverse plate 7 to move downwards through a threaded hole 6, the upper transverse plate 7 pushes an outer cylinder 13, the outer cylinder 13 extrudes a spring 14, the spring 14 extrudes an inner cylinder 12 sleeved with the outer cylinder 13, the inner cylinder 12 pushes the drilling motor 11, and finally the drill bit 21 descends along with the descending;

a lower transverse plate 10 which can slide on an optical axis 5 is installed at the lower part of a shell of a drilling motor 11, a second supporting point except the connecting part of a screw rod 4 and an upper transverse plate 7 is provided for a core structure of the device at the connecting part of the lower transverse plate 10 and the optical axis 5, so that the core structure of the device is prevented from generating a pendulum phenomenon, a sliding rod 18 is welded at one end of the lower transverse plate 10, the sliding rod 18 is designed to slide in a vertical sliding groove 17 on the side wall of the shell 1, and the sliding groove 17 restricts the horizontal swing of the sliding rod 18, so that the structure connected with the sliding rod 18 is prevented from generating the horizontal swing, and finally the core structure of the device is stabilized;

the spring 14 is arranged between the drilling motor 11 and the upper transverse plate 7, so that the vertical downward thrust from the upper transverse plate 7 is firstly absorbed by the spring 14 and then transmitted to the drilling motor 11, and the opposite axial vibration from the drill bit 21 can be absorbed and buffered by the spring 14, and the structure only works when the spring 14 is compressed, so that the structure only serves the condition of drilling under the drill bit 21, when the drill bit 21 finishes drilling, the lifting motor 3 is controlled to reversely rotate to lift the upper transverse plate 7, the upper transverse plate 7 pushes the limiting block 9, the limiting block 9 lifts the lower transverse plate 10, the drilling motor 11 and the drill bit 21 through the pull rod 8, and when the drill bit is not completely separated from the ground, the rotation of the drilling motor 11 cannot be stopped, otherwise, the drill bit jamming can occur;

the slide rod 18 of the device has the effect of displaying the drilling depth of the drill bit 21, can be additionally matched with a graduated scale for use, the length of the screw rod 4 of the device is longer than that of the optical axis 5, when the drill bit 21 drills down to the limit depth, the slide rod 18 reaches the bottom of the sliding groove 17, at the moment, the threaded hole 6 of the upper transverse plate 7 is still in the screw rod 4, the screw rod 4 can control the lifting of the core part of the device all the time, the stabilizing block 20 is installed at the bottom end of the optical axis 5, and the structural strength of the optical axis 5 and the screw rod 4 is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A lifting type drilling device for detecting the pavement quality comprises a shell (1) and is characterized in that a cavity (2) is formed in the shell (1), a lifting motor (3), a screw rod (4), an optical axis (5), an upper transverse plate (7), a pull rod (8), a limiting block (9), a lower transverse plate (10), a drilling motor (11), an inner cylinder (12), an outer cylinder (13), a spring (14), a water pipe (16), a stabilizing block (20) and a drill bit (21) are installed in the cavity (2), the lifting motor (3) is fixedly connected with the shell (1), the tail end of a vertically downward output shaft of the lifting motor (3) is fixedly connected with the screw rod (4), the bottom end of the screw rod (4) is fixedly connected with the optical axis (5), the screw rod (4) penetrates through the upper transverse plate (7), the upper transverse plate (7) is provided with a threaded hole (6) matched with the screw rod (4), the threaded hole (6) is in threaded connection with the screw rod (4), the optical shaft (5) is in sliding connection with the lower transverse plate (10), the optical shaft (5) penetrates through the lower transverse plate (10), the top end of the lower transverse plate (10) is fixedly connected with the drilling motor (11), the tail end of a vertical downward output shaft of the drilling motor (11) is fixedly connected with the drill bit (21), the output shaft of the drilling motor (11) is in sliding connection with the lower transverse plate (10), the output shaft of the drilling motor (11) penetrates through the lower transverse plate (10), the top end of the drilling motor (11) is fixedly connected with the inner cylinder (12), the outer circumferential wall of the inner cylinder (12) is sleeved with the outer cylinder (13), the top end of the outer cylinder (13) is fixedly connected with the upper transverse plate (7), the inner cylinder (12) and the outer cylinder (13) are both sleeved with the spring (14), and the top end of the lower transverse plate (10) is fixedly connected with the pull rod (8), and pull rod (8) are the symmetric distribution relatively drilling motor (11), pull rod (8) and last diaphragm (7) sliding connection, just pull rod (8) run through last diaphragm (7), the top and stopper (9) fixed connection of pull rod (8).

2. The lifting type drilling device for detecting the road surface quality is characterized in that a water tank (15) is fixedly connected to the top end of the shell (1), a water pipe (16) is connected to the bottom end of the water tank (15) in a sealing mode, the water pipe (16) is communicated with the inside of the water tank (15), and the water pipe (16) penetrates through the top of the shell (1) and extends to the outer side of the drill bit (21).

3. The lifting type drilling device for detecting the road surface quality is characterized in that a sliding groove (17) is formed in the circumferential outer wall of the shell (1) in the height direction, the sliding groove (17) penetrates through the side wall of the shell (1), a sliding rod (18) is fixedly connected to one end, close to the sliding groove (17), of the lower transverse plate (10), the sliding rod (18) is connected with the sliding groove (17) in a sliding mode, and the sliding rod (18) penetrates through the sliding groove (17).

4. The lifting type drilling device for detecting the road surface quality is characterized in that the shell (1) is fixedly connected with a stabilizing block (20), and the stabilizing block (20) is rotatably connected with the bottom end of the optical axis (5).

5. The lifting type drilling device for detecting the road surface quality as claimed in claim 1, wherein a base (19) is fixedly sleeved at the bottom of the circumferential outer wall of the housing (1).