CN216405358U - Roadbed compactness detection device - Google Patents
Roadbed compactness detection device Download PDFInfo
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- CN216405358U CN216405358U CN202122532905.1U CN202122532905U CN216405358U CN 216405358 U CN216405358 U CN 216405358U CN 202122532905 U CN202122532905 U CN 202122532905U CN 216405358 U CN216405358 U CN 216405358U
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Abstract
The utility model relates to a roadbed compactness detection device, and belongs to the technical field of roadbed quality detection equipment. The roadbed compactness detection device comprises a base provided with traveling wheels, a fixed plate connected to the base through a support upright post, a lifting mechanism and a drilling assembly; the base is also provided with hydraulic support legs which are distributed in a rectangular shape, the lifting mechanism comprises a driving handle which is rotatably assembled on the fixed plate, two rotating shafts which are rotatably assembled between the base and the fixed plate and a lifting plate, the end part of the driving handle is fixedly connected with a driving gear, the two rotating shafts are respectively arranged on the radial left side and the radial right side of the driving handle, each rotating shaft is fixedly connected with a driven gear which is in meshing transmission with the driving gear, and the lifting plate is in threaded connection with each rotating shaft; the drilling assembly comprises a drilling motor fixedly mounted at the bottom of the lifting plate and a drill rod in transmission connection with an output shaft of the drilling motor, a drill bit is arranged at the end part of the drill rod, and a guide hole for the drill rod to pass through is formed in the base. The whole structure is simple, the manufacturing cost is low, and the use is convenient.
Description
Technical Field
The utility model relates to the technical field of roadbed quality detection equipment, in particular to a roadbed compactness detection device.
Background
In the construction, operation, maintenance and repair of the highway, the conditions of multiple quality indexes of the road are closely related to the soil structure of the base layer in the construction process of the highway, so that the highway needs to use a device to detect the compactness of the roadbed before being laid, the compactness refers to the ratio of the density achieved on site to the indoor standard density, and the measurement of the compactness of the roadbed mainly comprises the determination of the indoor standard density and the on-site density test. When the road foundation on-site compactness is detected, a sand filling method is a common method, the method needs to manually open holes in the ground, samples soil, fills sand grains into the holes, replaces the volume of the test holes by utilizing the sand with uniform grains, measures the density of the road foundation, manually excavates the holes, wastes manpower, and has low working efficiency and low practicability.
In order to improve the working efficiency, the chinese utility model patent with the publication number CN213688982U discloses a road engineering roadbed compactness detecting device, which comprises a bottom plate, a supporting frame is fixedly connected to the top end of the bottom plate, a fixing frame is fixedly connected to the top end of the supporting frame, a first motor is fixedly connected in the fixing frame, a first rotating shaft is fixedly connected to the output shaft of the first motor, a first bearing is arranged in the supporting frame, a driving bevel gear is fixedly connected to the bottom end of the first rotating shaft through the first bearing, two driven bevel gears are engaged on the surface of the driving bevel gear, lead screws are fixedly connected to the separated ends of the two driven bevel gears, thread sleeves are connected to the surfaces of the two lead screws, the first fixing blocks are fixedly connected to the bottom sides of the two thread sleeves, and a connecting rod is rotatably connected to the two first fixing blocks through a first pin shaft, the bottom ends of the two connecting rods are rotatably connected with a second fixed block through a second pin shaft. Two third chutes are formed in the supporting frame, sliding plates are connected in the third chutes in a sliding mode, two fixing plates are fixedly connected to the bottom ends of the sliding plates, second motors are fixedly connected to the opposite sides of the two fixing plates, and drill rods are fixedly connected to output shafts of the second motors.
Above-mentioned highway engineering road bed compactness detection device can realize reciprocating of slide through opening first motor to make the drilling rod move down and contact with ground, through opening the second motor, can make the drilling rod rotate, thereby reached and carried out the effect of probing to the road base, can realize automaticly. But highway engineering road bed compactness check out test set's structure is comparatively complicated, and the cost of manufacture is higher to when boring to the different positions of road bed, whole check out test set removes comparatively inconveniently.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a roadbed compactness detecting device to solve the technical problems of complex structure and inconvenient movement of the roadbed compactness detecting device in the prior art.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a roadbed compactness detecting device comprising:
the walking wheel support comprises a base, wherein two pairs of walking wheels arranged at intervals are installed at the bottom of the base, a hydraulic support leg capable of stretching up and down is arranged at a position beside each walking wheel on the base, and the hydraulic support leg can support the base when extending out of a set length so as to suspend each walking wheel;
the fixing plate is vertically parallel to the base and arranged at intervals, and a supporting upright post is connected between the fixing plate and the base;
the lifting mechanism comprises a driving handle rotatably assembled on the fixed plate, two rotating shafts rotatably assembled between the base and the fixed plate, and a lifting plate simultaneously connected with the two rotating shafts, wherein one end of the driving handle, which penetrates through the fixed plate and faces the base, is fixedly connected with a driving gear;
the drilling assembly comprises a drilling motor fixedly mounted at the bottom of the lifting plate and a drill rod in transmission connection with an output shaft of the drilling motor, a drill bit is arranged at the end of the drill rod, and a guide hole for the drill rod to pass through is formed in the base.
The beneficial effects of the above technical scheme are: when the roadbed compactness detection device is used, the whole detection device is pushed to a set position, and then all the hydraulic support legs are utilized to support the whole detection device, so that the whole detection device is prevented from moving under the action of the travelling wheels when a drill rod is drilled, and the use stability of the whole detection device is ensured; before the probing, the manual work waves drive handle, and it is rotatory to drive gear, and then drives the pivot through two driven gears and rotate, because lifter plate and pivot threaded connection, just drive the lifter plate downstream when the pivot is rotatory, until the drill bit on the drilling rod passes through guiding hole and ground contact, stop to rotate drive handle this moment, the lifter plate can not downstream again under the effect of screw thread auto-lock, and then directly open the probing motor and can carry out the probing operation to the road bed. In the using process of the roadbed compactness detection device, manual hole digging is not needed, the labor intensity is reduced, drilling operation can be realized only by using one motor, the whole structure is simple, the manufacturing cost is reduced, drilling operation can be conveniently carried out on different positions under the action of the travelling wheels, and the using convenience of the whole detection device is improved.
Furthermore, the periphery of the drill rod is fixedly connected with a helical blade so as to form a packing auger structure with the drill rod.
Has the advantages that: when drilling, the drilled soil can be directly collected, and the sputtering of the soil is reduced.
Further, the axis of the drill rod is coincident with the axis of the driving gear.
Has the advantages that: when the driving handle is rotated, the drill rod is coaxially placed downwards, and the whole structure is more stable.
Furthermore, the end part of the lifting plate is fixedly connected with a sliding sleeve which is matched with the corresponding supporting upright in a guiding way.
Has the advantages that: the sliding sleeve can further play a guiding role in the movement of the lifting plate, and the lifting plate is prevented from shifting up and down in the process.
Further, the bottom fixedly connected with of base is two parallel interval arrangement's limiting plate, the probing motor sets up at the limiting groove that two limiting plates and base formed, all installs rubber shock pad on the relative side of two limiting plates, rubber shock pad and probing motor surface contact.
Has the advantages that: the rubber shock pad can absorb the vibrations that the probing motor produced, guarantees the stability of drilling rod when carrying out the probing operation, does not take place the skew of great degree.
Further, still be provided with laser range finder on the base, laser range finder is used for measuring the interval between lifter plate and the base, be equipped with the control box of all being connected with laser range finder and drilling motor on the fixed plate, be equipped with the display screen that is used for showing the interval that laser range finder surveyed on the control box, still be provided with drilling motor and start and stop button.
Has the advantages that: the drilling depth of the drill bit can be accurately calculated according to the distance parameters measured by the laser range finder, so that the compactness of the roadbed can be conveniently detected by workers.
Drawings
Fig. 1 is a schematic structural view of a roadbed compactedness detecting device according to the present invention.
Description of reference numerals: 1-base, 2-road wheel, 3-hydraulic support leg, 4-supporting upright post, 5-fixing plate, 6-driving handle, 7-fixing bearing, 8-mounting bearing, 9-rotating shaft, 10-lifting plate, 11-sliding sleeve, 12-driving gear, 13-driven gear, 14-guide hole, 15-drill rod, 16-helical blade, 17-drill bit, 18-drilling motor, 19-limiting plate, 20-rubber shock pad, 21-starting button, 22-stopping button, 23-display screen, 24-control box and 25-laser range finder.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
The concrete embodiment of the roadbed compactness detecting device of the utility model comprises the following steps:
as shown in fig. 1, the roadbed compactedness detecting apparatus includes a base 1, a fixing plate 5, a lifting mechanism and a drilling assembly.
Specifically, two pairs of walking wheels 2 arranged at intervals are installed at the bottom of the base 1, and one of the two pairs of walking wheels 2 is a universal wheel, and the other pair is a directional wheel. The base 1 is provided with a hydraulic support leg 3 at the position beside each walking wheel 2, and the four hydraulic support legs 3 are distributed in a rectangular shape. The hydraulic support legs 3 in this embodiment are the prior art, and can be extended and retracted up and down, and the base 1 can be supported by the hydraulic support legs 3 when the hydraulic support legs 3 extend out to a set length, so that each running wheel 2 is in a suspended state.
Four support columns 4 which are distributed in a rectangular shape are arranged on the base 1, the top of each support column 4 is connected with a fixing plate 5, and the fixing plates 5 and the base 1 are arranged in an up-and-down parallel spaced mode. The lifting mechanism comprises a driving handle 6, two rotating shafts 9, a lifting plate 10, a driving gear 12 and a driven gear 13. Wherein, install fixing bearing 7 on the fixed plate 5, drive handle 6 is the L shape to the vertical section of drive handle 6 and fixing bearing 7's inner circle fixed connection, thereby make drive handle 6 can rotate relative fixed plate 5, realize the rotational assembly of drive handle 6 on fixed plate 5 promptly. Two rotating shafts 9 are respectively and symmetrically arranged on the radial left side and the radial right side of the driving handle 6, and two ends of each rotating shaft 9 are respectively connected with a fixed bearing 7 fixed at the bottom of the fixed plate 5 and the upper part of the base 1, so that the rotating assembly of the two rotating shafts 9 with the base 1 and the fixed plate 5 is realized. The vertical section of drive handle 6 stretches into between base 1 and the fixed plate 5, and drive gear 12 is coaxial and fixed connection is at the tip of the vertical section of drive handle 6, and driven gear 13 is equipped with two, and coaxial the fixing is respectively on corresponding pivot 9. The shafts 9 have smooth sections connected to the respective fixed bearings 7 and externally threaded sections, and the elevating plates 10 are threadedly coupled to the externally threaded sections of the two shafts 9, so that the elevating plates 10 can move in the up-and-down direction when the shafts 9 are rotated. In order to ensure the stability of the lifting plate 10 when moving up and down, a sliding sleeve 11 which is in sliding fit with the corresponding supporting upright 4 in the up-and-down direction is fixedly connected to the end part of the lifting plate 10.
The drilling assembly comprises a drilling motor 18 fixedly arranged at the bottom of the lifting plate 10 and a drill rod 15 in transmission connection with an output shaft of the drilling motor 18, wherein the lower end part of the drill rod 15 is provided with a drill bit 17. A guide hole for the drill rod to pass through is arranged below the drill bit on the base 1, and the axis of the guide hole 14 is coaxial with the axis of the drill rod 15 and the driving gear 12. The periphery of the drill rod 15 is fixedly connected with a helical blade 16 to form a screw auger structure with the drill rod 15, so that drilled soil can be directly collected during drilling, and the sputtering of the soil is reduced. The limiting plate 19 of two parallel interval arrangements of base 1's bottom fixedly connected with, the probing motor 18 sets up at the limiting groove that two limiting plates 19 and base 1 formed, all installs rubber shock pad 20 on two limiting plate 19's the relative side, rubber shock pad 20 and probing motor 18 surface contact absorb the vibrations that probing motor 18 produced, guarantee the drilling rod stability when carrying out the probing operation, do not take place the skew of great degree.
In this embodiment, the base 1 is further provided with two laser range finders 25, and the two laser range finders 25 are both in the prior art, have the same model, and are symmetrically distributed on the radial left and right sides of the drill rod 15. The laser distance measuring instrument 25 is used for measuring the distance between the lifting plate 10 and the base 1 in real time, and the actual descending height of the drill rod can be calculated through the measured distance. The fixed plate 5 is provided with a control box 24 which is connected with both the laser range finder 25 and the drilling motor 18, the control box 24 is provided with a display screen 23 for displaying the distance measured by the laser range finder 25, and the drilling motor is further provided with a starting button 21 and a stopping button 22.
When the roadbed compactness detection device is used, the whole roadbed compactness detection device is pushed to a set position, and then the whole roadbed compactness detection device is supported by each hydraulic supporting leg 3, so that the whole roadbed compactness detection device is prevented from moving under the action of the travelling wheels 2 when a drill rod 15 is drilled, and the use stability of the whole detection device is ensured; before the probing, drive handle 6 is waved manually, it is rotatory to drive gear 12, and then drive pivot 9 through two driven gear 13 and rotate, because lifter plate 10 and pivot 9 threaded connection, just drive lifter plate 10 downstream when pivot 9 is rotatory, until drill bit 17 on drilling rod 15 passes through guiding hole 14 and ground contact, stop to rotate drive handle 6 this moment, lifter plate 10 can not downstream again under the effect of screw thread auto-lock, and then can directly open drilling motor 18 through pressing start button 21 and carry out the probing operation to the roadbed. When drilling operation needs to be carried out on different positions, the hydraulic supporting legs are retracted, the walking wheels are grounded, and the whole roadbed compactness detecting device can be pushed to move to different positions. The detection of the roadbed compactness can be carried out according to the traditional sand filling method, which belongs to the prior art and is not described in detail herein.
In the using process of the roadbed compactness detection device, manual hole digging is not needed, the labor intensity is reduced, drilling operation can be realized only by using one motor, the whole structure is simple, the manufacturing cost is reduced, drilling operation can be conveniently carried out on different positions under the action of the travelling wheels, and the using convenience of the whole detection device is improved.
In other embodiments, the drilling operation can be performed directly by using the drill rod and the drill bit, and the helical blade may not be mounted on the outer circumferential surface of the drill rod.
In other embodiments, the axis of the drill rod may be parallel to and misaligned with the axis of the driving gear, and the up-and-down movement of the drill rod when the driving gear rotates can also be realized.
In other embodiments, also can set up the scale mark of equidistant arrangement in the axial of drilling rod, the zero scale mark of drilling rod when drill bit and ground contact with the upper surface parallel and level of base, judge the drilling depth of drilling rod through observing which scale mark on the drilling rod and the upper surface parallel and level of base this moment, so also can not set up laser range finder.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. A roadbed compactness detection device is characterized by comprising:
the walking wheel support comprises a base, wherein two pairs of walking wheels arranged at intervals are installed at the bottom of the base, a hydraulic support leg capable of stretching up and down is arranged at a position beside each walking wheel on the base, and the hydraulic support leg can support the base when extending out of a set length so as to suspend each walking wheel;
the fixing plate is vertically parallel to the base and arranged at intervals, and a supporting upright post is connected between the fixing plate and the base;
the lifting mechanism comprises a driving handle rotatably assembled on the fixed plate, two rotating shafts rotatably assembled between the base and the fixed plate, and a lifting plate simultaneously connected with the two rotating shafts, wherein one end of the driving handle, which penetrates through the fixed plate and faces the base, is fixedly connected with a driving gear;
the drilling assembly comprises a drilling motor fixedly mounted at the bottom of the lifting plate and a drill rod in transmission connection with an output shaft of the drilling motor, a drill bit is arranged at the end of the drill rod, and a guide hole for the drill rod to pass through is formed in the base.
2. The roadbed compactness detection device of claim 1, wherein the periphery of the drill rod is fixedly connected with a helical blade so as to form an auger structure with the drill rod.
3. The roadbed compaction degree detection device of claim 1, wherein an axis of the drill rod coincides with an axis of the drive gear.
4. The roadbed compactness detection device of any one of claims 1-3, wherein the end part of the lifting plate is fixedly connected with a sliding sleeve which is matched with the corresponding support upright in a guiding way.
5. The roadbed compactness detection device according to any one of claims 1-3, wherein the bottom of the base is fixedly connected with two parallel spacing arranged limiting plates, the drilling motor is arranged in a limiting groove formed by the two limiting plates and the base, a rubber shock pad is arranged on one side surface of each of the two limiting plates, and the rubber shock pad is in surface contact with the drilling motor.
6. The roadbed compactness detection device as claimed in any one of claims 1-3, wherein the base is further provided with a laser range finder for measuring the distance between the lifting plate and the base, the fixing plate is provided with a control box connected with the laser range finder and the drilling motor, the control box is provided with a display screen for displaying the distance measured by the laser range finder, and the drilling motor is further provided with a start and stop button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122532905.1U CN216405358U (en) | 2021-10-21 | 2021-10-21 | Roadbed compactness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122532905.1U CN216405358U (en) | 2021-10-21 | 2021-10-21 | Roadbed compactness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216405358U true CN216405358U (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122532905.1U Active CN216405358U (en) | 2021-10-21 | 2021-10-21 | Roadbed compactness detection device |
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| Country | Link |
|---|---|
| CN (1) | CN216405358U (en) |
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2021
- 2021-10-21 CN CN202122532905.1U patent/CN216405358U/en active Active
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