CN209619982U - A kind of helical plate load load testing device - Google Patents
A kind of helical plate load load testing device Download PDFInfo
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- CN209619982U CN209619982U CN201822024214.9U CN201822024214U CN209619982U CN 209619982 U CN209619982 U CN 209619982U CN 201822024214 U CN201822024214 U CN 201822024214U CN 209619982 U CN209619982 U CN 209619982U
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- load
- bearing
- testing device
- plate
- motor
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Abstract
The utility model discloses a kind of helical plate load load testing devices, including fixed mechanism, transmission mechanism and data collection system, transmission mechanism to be detachably connected with fixed mechanism, and transmission mechanism is electrically connected by transfer wire with data collection system;Transmission system includes spiral lifting axis, bearing, for the upper motor of control settlement, the lower motor for controlling revolving speed and the hollow transmission rod and screw pressure-bearing plate that are set in turn in lower motor bottom;Wherein, upper motor is set to the top of spiral lifting axis, and the bottom of spiral lifting axis is fixedly connected with one end of bearing, and the other end of bearing is fixedly connected with lower motor.The utility model controls the penetration process of spiral plate using the combining form of bi-motor, wherein the rate of upper motor control decline, lower motor control revolving speed, it is ensured that screw pressure-bearing plate declines a screw pitch for each revolution, avoids causing compared with large disturbances the soil body.
Description
Technical field
The utility model relates to geotechnical engineering investigation equipment technical field, more particularly to a kind of helical plate load
Test device.
Background technique
Screw plate loading test is evolved by plate, it be by a spiral bearing plate manpower or
Machinery screws in the predetermined depth of below ground, applies pressure to spiral shape bearing plate by transmission rod, measures the sinking of bearing plate
Amount.
Existing helical plate load experimental provision, is usually used manpower formal operations, not only time-consuming and laborious but also can not
It is precisely controlled the injection of screw pressure-bearing plate, and is unable to ensure its rotation and turns around and exactly decline a screw pitch, easily especially to the soil body
It is that weak soil causes biggish disturbance, and once causes to disturb to the soil body, must cause to the precision of the test result of measurement can not
The influence ignored.
Therefore, how to provide it is a kind of can strict control spiral plate in the time to rotate a circle just accurate one screw pitch of decline
Helical plate load load testing device the problem of being those skilled in the art's urgent need to resolve.
Utility model content
In view of this, the present invention provides a kind of helical plate load load testing device, the utility model is passed using mechanical
Dynamic device, is worked at the same time by two motors, respectively the fall off rate and revolving speed of adjusting transmission mechanism, can be accomplished stringent accurate
Screw pressure-bearing plate, which rotates a circle, in control screw plate loading test declines a screw pitch, to reduce the disturbance to soil, and then can
Reduce influence of the disturbance of soil to experimental precision.
In order to achieve the above object, the utility model adopts the following technical solution:
A kind of helical plate load load testing device, including fixed mechanism, transmission mechanism and data collection system, the driver
Structure is detachably connected with the fixed mechanism, and the transmission mechanism is electrically connected by transfer wire with the data collection system;
The transmission system include spiral lifting axis, bearing, for the upper motor of control settlement, for controlling under revolving speed
Motor and the hollow transmission rod and screw pressure-bearing plate for being set in turn in the lower motor bottom;Wherein, the upper motor setting
It is fixedly connected in the bottom at the top of the spiral lifting axis, the spiral lifting axis with the inner ring of one end of the bearing, institute
The other end for stating bearing is fixedly connected with the lower motor.
The utility model controls the penetration process of spiral plate using the combining form of bi-motor, wherein upper motor control decline
Rate, lower motor control revolving speed, it is ensured that screw pressure-bearing plate declines a screw pitch for each revolution, avoids causing the soil body larger
Disturbance.
Preferably, in a kind of above-mentioned helical plate load load testing device, the fixed mechanism includes tracked vehicle, top
Plate, pillar and connecting rod, the top plate is horizontally disposed and is fixedly connected with the upper motor, and the pillar is symmetrically disposed on institute
State top plate both ends;Described pillar one end is connect with the top plate, and the other end is fixed on the tracked vehicle bottom plate;The company
The bearing outer wall is fixed in extension bar one end, and the other end is slidably connected with the pillar.Wherein tracked vehicle can make drill carriage
It can advance in the ground compared with weak soil matter.
Preferably, in a kind of above-mentioned helical plate load load testing device, described connecting rod one end and the bearing integrated at
Type, the other end are provided with slip collar, can freely up and down move, and the slip collar is sheathed on the outside of the pillar, realize
The connection of the transmission mechanism and the fixed mechanism.
Preferably, in a kind of above-mentioned helical plate load load testing device, the connecting rod is provided with, and the connecting rod is equal
It is even to be distributed in the bearing outer wall.
Preferably, in a kind of above-mentioned helical plate load load testing device, the internal diameter of the slip collar is greater than the pillar
Outer diameter.
Preferably, in a kind of above-mentioned helical plate load load testing device, the data collection system includes computer and survey
Force snesor, the load cell are located at the hollow transmission rod bottom, and the computer is distinguished by the transfer wire
It is electrically connected with the spiral lifting axis, the upper motor, the lower motor, the load cell.
Specifically, upper motor and calculating mechatronics, and by the movement rate of computer control spiral lifting bar, lower motor
Control the revolving speed of hollow transmission rod by computer, upper motor with lower motor is mutually independent plays a role, passed through in hollow transmission rod
Lower motor will not be rotated with the rotation of spiral lifting bar during entering, and the operational process of the utility model whole equipment is by counting
The control of calculation machine, the experimental datas such as pressure and displacement directly display in a program, clear.
Preferably, in a kind of above-mentioned helical plate load load testing device, the transmission system further includes guide holder, described to lead
It is fixed at the top of the tracked vehicle bottom plate to seat, and the guide holder is set to the hollow transmission rod periphery, and
The shape of the guide holder and the hollow transmission rod matches, and the guide holder center of circle and motor are in same vertical straight line
On, it can prevent from deviateing preset orientation when hollow transmission rod injection, while the inclination injection of hollow transmission rod can be prevented.
Preferably, in a kind of above-mentioned helical plate load load testing device, the lower motor passes through with the hollow transmission rod
Spline connection.
Preferably, in a kind of above-mentioned helical plate load load testing device, the hollow transmission rod is provided with multiple, and phase
It is connected through a screw thread, and is screwed between the adjacent hollow transmission rod, avoid the phenomenon that falling off because rotating backward;
And the hollow transmission rod uses small interior gauge structure, intermediate to be used to increase across transfer wire, and simultaneously there are the part in gap
The rigidity for adding hollow transmission rod, avoids the experimental result for keeping transmission rod Bending Influence final because depth is excessive.
Preferably, in a kind of above-mentioned helical plate load load testing device, the upper motor is internally provided with displacement sensor.
Preferably, in a kind of above-mentioned helical plate load load testing device, the bearing respectively with the spiral lifting axis, institute
Lower motor is stated to be welded and fixed.
Preferably, in a kind of above-mentioned helical plate load load testing device, the upper motor and lower motor are for stepping electricity
Machine.
It can be seen via above technical scheme that compared with prior art, the utility model, which discloses, to be provided one kind and can be used for
The entire test process of the helical plate load load testing device of shallow-layer or deep layer, test device is controlled by computer, simple, time saving province
Power;And the utility model is worked at the same time by two motors, and the fall off rate and revolving speed of adjusting transmission mechanism, that is, go up and down respectively
Mutually indepedent with rotary course, operating process is more accurate, can accomplish strictly to be precisely controlled spiral in screw plate loading test
Bearing plate, which rotates a circle, declines a screw pitch, to reduce the disturbance to soil, and then can reduce the disturbance of soil to experimental precision
It influences.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawing is the overall structure diagram of the utility model;
Fig. 2 attached drawing is the partial structural diagram one of the utility model;
Fig. 3 attached drawing is the partial structural diagram two of the utility model.
In figure:
1 it is spiral lifting axis, 2 be bearing, 3 be upper motor, 4 be lower motor, 5 be hollow transmission rod, 6 is screw pressure-bearing
Plate, 7 be tracked vehicle, 8 be top plate, 9 be pillar, 10 be connecting rod, 11 be computer, 12 be load cell, 13 to lead
It is transfer wire, 15 is power transmission knock-off joint to seat, 14.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment discloses a kind of helical plate load load testing device, and the utility model is filled using machine driving
It sets, is worked at the same time by two motors, the fall off rate and revolving speed of adjusting transmission mechanism, can accomplish strictly to be precisely controlled respectively
Screw pressure-bearing plate, which rotates a circle, in screw plate loading test declines a screw pitch, to reduce the disturbance to soil, and then can reduce
Influence of the disturbance of soil to experimental precision.
Referring to attached drawing 1-3, the utility model provides a kind of helical plate load load testing device, including fixed mechanism, transmission
Mechanism and data collection system, transmission mechanism are detachably connected with fixed mechanism, and transmission mechanism passes through transfer wire 14 and data
Acquisition system electrical connection;
Transmission system include spiral lifting axis 1, bearing 2, for the upper motor 3 of control settlement, for controlling under revolving speed
Motor 4 and the hollow transmission rod 5 and screw pressure-bearing plate 6 for being set in turn in lower 4 bottom of motor;Wherein, upper motor 3 is set to
The bottom at the top of spiral lifting axis 1, spiral lifting axis 1 is fixedly connected with the inner ring of one end of bearing 2, the other end of bearing 2
It is fixedly connected with lower motor 4.
In order to further optimize the above technical scheme, fixed mechanism includes tracked vehicle 7, top plate 8, pillar 9 and connection
Bar 10, top plate 8 is horizontally disposed and is fixedly connected with upper motor 3, and pillar 9 is symmetrically disposed on 8 both ends of top plate;9 one end of pillar with
Top plate 8 connects, and the other end is fixed on 7 bottom plate of tracked vehicle;2 outer wall of bearing is fixed in 10 one end of connecting rod, the other end with
Pillar 9 is slidably connected.
In order to further optimize the above technical scheme, 10 one end of connecting rod and bearing 2 are integrally formed, and the other end is provided with cunning
Dynamic lantern ring 101, slip collar 101 are sheathed on 9 outside of pillar, realize the connection of transmission mechanism and fixed mechanism.
In order to further optimize the above technical scheme, connecting rod 10 is provided with 4, and connecting rod 10 is uniformly distributed in bearing 2
Outer wall.
In order to further optimize the above technical scheme, the internal diameter of slip collar 101 is greater than the outer diameter of pillar 9.
In order to further optimize the above technical scheme, data collection system includes computer 11 and load cell 12, is surveyed
Force snesor 12 is located at hollow 5 bottom of transmission rod, computer 11 by transfer wire 14 respectively with spiral lifting axis 1, upper motor
3, lower motor 4, load cell 12 are electrically connected.
In order to further optimize the above technical scheme, transmission system further includes guide holder 13, and guide holder 13 is fixed on crawler belt
7 top of formula car floor, and guide holder 13 is set to hollow 5 periphery of transmission rod in a ring.
In order to further optimize the above technical scheme, lower motor 4 is connect with hollow transmission rod 5 by spline.
In order to further optimize the above technical scheme, hollow transmission rod 5 is provided with multiple, and adjacent hollow transmission rod 5
Between be connected through a screw thread, and be screwed.
In order to further optimize the above technical scheme, upper motor 3 is internally provided with displacement sensor.
Specifically, the utility model uses tracked vehicle 7 in order to enable drill carriage to advance on the ground compared with weak soil matter.
Upper motor 3 is connected and fixes with the top plate 8 thickeied, and upper motor 3 is connected with computer 11, controls spiral by computer 11
The movement of lifting shaft 1,1 bottom of spiral lifting axis are connected with bearing 2, and the inner ring stationary phase of spiral lifting axis 1 and bearing 2
Even, four metal tie rods 10 are welded and fixed in 2 outer wall of bearing, and are respectively sleeved at four admittedly by smooth slip collar 101
Determine on pillar 9, and can freely up and down move, 2 bottom of bearing connects lower motor 4, lower motor 4 and a hollow power transmission topmost
The clamping in the form of spline is embedded in of bar 5, and lower motor 4 is connect with computer 11, and controls turning for lower motor 4 by computer 11
Speed, during hollow 5 injection of transmission rod under motor 4 will not be rotated with the rotation of spiral lifting bar 1, lower motor 4 with it is upper
Motor 3 is mutually indepedent in terms of effect.
Guide holder 13 is fixed on the bottom plate of heavy crawler formula automobile 7, and guide holder 13 is rounded, the center of circle and upper and lower motor
In same vertical straight line, prevents from deviateing preset orientation when hollow 5 injection of transmission rod, also prevent from causing hollow transmission rod 5
Inclination injection.
Every section is connected at power transmission knock-off joint 12 in the form of screw thread between adjacent hollow transmission rod 5, and is screwed,
Avoid rotating backward and falling off, using small interior gauge structure, it is intermediate there are hollow parts be used to through transfer wire 14 and simultaneously
Increase the whole rigidity of hollow transmission rod 5, prevents big depth from causing the bending of hollow transmission rod 5 and influencing final test knot
Fruit.
Stop injection after reaching predetermined depth, computer 11 controls upper motor 3 and applies pressure, according to hollow 5 bottom of transmission rod
The load cell 12 in portion is received and is pressurizeed step by step by the pressure value that transfer wire 14 reaches computer 11, while upper motor 3
It is able to detect the displacement of 1 bottom end of spiral lifting axis, the fall off rate of upper motor 3 is controlled by computer 11, the time can be passed through
Calculate displacement, the i.e. settling amount of screw pressure-bearing plate 1.
Experiment finishes, and controls lower motor 4 and reversely rotates, so that screw pressure-bearing plate 1 is fallen off, be then shut off lower motor 4, computer
The upper motor 3 of 11 controls drives to be pulled out on hollow transmission rod 5, and screw pressure-bearing plate 6 is abandoned in original position.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of helical plate load load testing device, including fixed mechanism, transmission mechanism and data collection system, which is characterized in that
The transmission mechanism is detachably connected with the fixed mechanism, and the transmission mechanism is adopted by transfer wire (14) with the data
Collecting system electrical connection;
The transmission mechanism include spiral lifting axis (1), bearing (2), for control settlement upper motor (3), for control turn
The lower motor (4) of speed and the hollow transmission rod (5) and screw pressure-bearing plate (6) for being set in turn in lower motor (4) bottom;
Wherein, the upper motor (3) is set to the top of the spiral lifting axis (1), the bottom of the spiral lifting axis (1) with it is described
One end of bearing (2) is fixedly connected, and the other end of the bearing (2) is fixedly connected with the lower motor (4).
2. a kind of helical plate load load testing device according to claim 1, which is characterized in that the fixed mechanism includes carrying out
Belt automobile (7), top plate (8), pillar (9) and connecting rod (10), the top plate (8) it is horizontally disposed and with the upper motor
(3) it is fixedly connected, the pillar (9) is symmetrically disposed on the top plate (8) both ends;Described pillar (9) one end and the top plate (8)
Connection, the other end are fixed on the tracked vehicle (7) bottom plate;The bearing (2) are fixed in described connecting rod (10) one end
Outer wall, the other end are slidably connected with the pillar (9).
3. a kind of helical plate load load testing device according to claim 2, which is characterized in that described connecting rod (10) one end
It is integrally formed with the bearing (2), the other end is provided with slip collar (101), and the slip collar (101) is sheathed on the branch
On the outside of column (9), the connection of the transmission mechanism Yu the fixed mechanism is realized.
4. a kind of helical plate load load testing device according to claim 2 or 3, which is characterized in that the connecting rod (10)
4 are provided with, the connecting rod (10) is uniformly distributed in the bearing (2) outer wall.
5. a kind of helical plate load load testing device according to claim 3, which is characterized in that the slip collar (101)
Internal diameter be greater than the pillar (9) outer diameter.
6. a kind of helical plate load load testing device according to claim 1, which is characterized in that the data collection system packet
Computer (11) and load cell (12) are included, the load cell (12) is located at hollow transmission rod (5) bottom, described
Computer (11) by the transfer wire (14) respectively with the spiral lifting axis (1), the upper motor (3), the lower electricity
Machine (4), the load cell (12) electrical connection.
7. a kind of helical plate load load testing device according to claim 2, which is characterized in that the transmission mechanism further includes
Guide holder (13), the guide holder (13) are fixed at the top of the tracked vehicle (7) bottom plate, and the guide holder (13) is set to
Hollow transmission rod (5) periphery.
8. a kind of helical plate load load testing device according to claim 1, which is characterized in that the lower motor (4) and institute
Hollow transmission rod (5) is stated to connect by spline.
9. a kind of helical plate load load testing device according to claim 1, which is characterized in that the hollow transmission rod (5)
It is provided with multiple, and is connected through a screw thread between the adjacent hollow transmission rod (5), and be screwed.
10. a kind of helical plate load load testing device according to claim 1, which is characterized in that the upper motor (3) is internal
It is provided with displacement sensor.
Priority Applications (1)
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CN201822024214.9U CN209619982U (en) | 2018-12-04 | 2018-12-04 | A kind of helical plate load load testing device |
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CN201822024214.9U CN209619982U (en) | 2018-12-04 | 2018-12-04 | A kind of helical plate load load testing device |
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CN201822024214.9U Expired - Fee Related CN209619982U (en) | 2018-12-04 | 2018-12-04 | A kind of helical plate load load testing device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109457682A (en) * | 2018-12-04 | 2019-03-12 | 山东科技大学 | A kind of helical plate load load testing device |
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2018
- 2018-12-04 CN CN201822024214.9U patent/CN209619982U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109457682A (en) * | 2018-12-04 | 2019-03-12 | 山东科技大学 | A kind of helical plate load load testing device |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 Termination date: 20211204 |