CN208236404U - A kind of magnetism sets middle device - Google Patents
A kind of magnetism sets middle device Download PDFInfo
- Publication number
- CN208236404U CN208236404U CN201820754029.2U CN201820754029U CN208236404U CN 208236404 U CN208236404 U CN 208236404U CN 201820754029 U CN201820754029 U CN 201820754029U CN 208236404 U CN208236404 U CN 208236404U
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- retracting cylinder
- arm
- permanent magnet
- force transferring
- magnetism
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Abstract
The utility model relates to water conservancy and hydropower building engineering fields, in particular to a kind of magnetism sets middle device, including magnetic force transferring structure, hauling rope, weight, direction-caster, retracting cylinder and permanent magnet, magnetic force transferring structure surrounding is uniformly distributed gripping arm, it holds arm and retracting cylinder is connected by socket mode, retracting cylinder can be moved freely along the axial direction for holding arm, the outside of retracting cylinder is installed by direction-caster, permanent magnet is arranged towards magnetic force transferring structure center side in retracting cylinder, permanent magnet is also provided with towards the direction of retracting cylinder inside the gripping arm, permanent magnet end face identical with the permanent magnet pole of arm is held on retracting cylinder is opposite and right, form mutual exclusion thrust, with accuracy of alignment height, it is adaptable, it is firm in structure durable, it is easy to the advantages such as mass production.
Description
Technical field
The utility model relates to water conservancy and hydropower building engineering fields, in particular to a kind of magnetism of detection drilling effective aperture
Set middle device.
Background technique
With the development of hydraulic and hydroelectric engineering, vertical line and the double-metal mark dam safety observation device mature as two kinds are obtained
To extensive use, effective aperture is the Controlling parameters of its drilling.
Early stage detects effective aperture using spring clinometer, and the tool is by upper disk, hinge, circular arc steel disc, galvanized wire, bullet
Spring, lower disc etc. are constituted.Advantage is that simple structure, low in cost, deficiency are that it is not easy to keep balance in the borehole, are easy
It is distorted and deflection, causes to set middle precision lower.
Based on the above deficiency, there is device in follow-on elastic conducting.The tool is by upper disk, hinge, locating rod, circular arc
Steel disc, galvanized wire, spring, middle disk, lower disc etc. are constituted.Compared to the spring clinometer of early stage, sets middle precision and increases,
But processing assembling is complex, also needs to carry out indoor stringent debugging after being completed, its popularization and application is made to increase difficulty.
With the development that concrete dam is built, vertical line and double-metal mark have obtained popularizing application in an all-round way.Largely drilling
In operation detection process, it is badly in need of that a kind of fitting ability to drilling is strong, automatic centering precision is high, easy to process and group is filled with realization
The tool of the detection drilling effective aperture of mass production.
Utility model content
In order to solve to be not easy in the borehole in the prior art to keep balance, it is easy to happen distortion and deflection, causes to set middle essence
Spend it is lower, although or setting middle precision improves, processing and the complicated technical problem of assembling, the utility model provide one kind
Magnetism sets middle device.
The technical problems to be solved in the utility model is achieved through the following technical solutions: a kind of magnetism sets middle device, including leads
Straw line, weight, direction-caster and permanent magnet, it is characterized in that: further including retracting cylinder, magnetic force transferring structure, the magnetism power transmission knot
Structure is cross-shaped structure, respectively installs a hanging ring at the center of magnetic force transferring structure upper and lower end faces, the hauling rope ties up to magnetism
On the hanging ring of the upper surface of force transferring structure, the weight is hung on the hanging ring of the lower end surface of magnetic force transferring structure；The magnetic biography
Power structure surrounding is evenly distributed with 4 gripping arms, and the angle held between arm is 90 degree, holds arm and retracting cylinder is all tubular,
It holds arm and retracting cylinder is connected by socket mode, retracting cylinder can be moved freely along the axial direction for holding arm, outside retracting cylinder
Permanent magnet is arranged towards magnetic force transferring structure center side in side installation direction-caster, retracting cylinder, and direction is stretched inside the gripping arm
The direction of contracting cylinder is also provided with permanent magnet, the permanent magnet on retracting cylinder with hold the identical end face of the permanent magnet pole of arm it is opposite and
It is right, form mutual exclusion thrust.
The magnetism force transferring structure, retracting cylinder are all made of aluminum.
The quantity of the retracting cylinder is identical as the quantity of arm is held, and quantity of the direction-caster on each retracting cylinder is
1 or 2.
The cross sectional shape for holding arm and retracting cylinder is rectangular or rectangle or circle.
The outside for holding arm and being socketed in retracting cylinder, or hold the inside that arm is socketed in retracting cylinder.
The gripping arm and the retracting cylinder are both provided with limit, and retracting cylinder is prevented to completely disengage with arm is held.
The position of permanent magnet is adjustable in the axial direction on the gripping arm or on the retracting cylinder, and adjusting range is
Between 0.5mm-5mm.
The material of the direction-caster is stainless steel, and the hauling rope is steel wire.
The material of the permanent magnet is alnico or neodymium iron boron or SmCo.
The material of the permanent magnet is neodymium iron boron, using model N45.
The utility model has the beneficial effects that
1, it since the magnetic force transferring structure surrounding that magnetism sets middle device is uniformly distributed gripping arm, holds arm and retracting cylinder passes through set
The mode of connecing connects, and retracting cylinder can be moved freely along the axial direction for holding arm, and direction-caster, retracting cylinder are installed in the outside of retracting cylinder
Towards magnetic force transferring structure center side setting permanent magnet, permanent magnetism is also provided with towards the direction of retracting cylinder inside the gripping arm
Body, the permanent magnet end face identical with the permanent magnet pole of arm is held on retracting cylinder is opposite and right, forms mutual exclusion thrust, magnetism is set
Middle device occupy the drilling center of circle under the symmetrical repulsive interaction effect of permanent magnet automatically, falls to hang down by what vertical distraction rope and aperture were set up
Device connection, center location in hole is accurately communicated up, have accuracy of alignment it is high, adaptable, firm in structure it is durable, be easy to
The advantages such as mass production.
2, it is process, has many advantages, such as light inexpensive since magnetic force transferring structure and retracting cylinder are all made of aluminum material.
3, due to the cross sectional shape for holding arm and retracting cylinder be it is rectangular or round, have and be easy to mass production and install
Simply and easily advantage.
4, due to the position of adjustable permanent magnet on gripping arm or retracting cylinder, have can easily be accommodated and set the excellent of middle accuracy
Gesture.
5, since the material of permanent magnet is neodymium iron boron, using model N45, have and be used without adjusting for a long time accurately
The advantage of degree.
Detailed description of the invention
The utility model is described in further details below with reference to accompanying drawings and embodiments.
Fig. 1 is the magnetic longitudinal sectional view for setting middle device；
Fig. 2 is the magnetic external plan view for setting middle device；
Fig. 3 is the magnetic transverse sectional view for setting middle device；
In figure: 1, permanent magnet；2, retracting cylinder；3, magnetic force transferring structure；4, stainless steel direction-caster；5, hanging ring；6, it draws
Rope；7, weight；8, arm is held.
Specific embodiment
Reach the technical means and efficacy that predetermined purpose is taken for the utility model is further described, below in conjunction with attached drawing
And embodiment, to specific embodiment of the present utility model, structure feature and its effect, detailed description are as follows.
Embodiment 1
A kind of magnetism sets middle device, including hauling rope 6, weight 7, direction-caster 4 and permanent magnet 1, it is characterized in that: further including stretching
Contracting cylinder 2, magnetic force transferring structure 3, the magnetism force transferring structure 3 is cross-shaped structure, in magnetic 3 upper and lower end faces of force transferring structure
A hanging ring 5 is respectively installed at center, and the hauling rope 6 ties up on the hanging ring 5 of the upper surface of magnetic force transferring structure 3, and the weight 7 is hung over
On the hanging ring 5 of the lower end surface of magnetic force transferring structure 3；Magnetism 3 surrounding of force transferring structure is evenly distributed with 4 gripping arms 8, holds
Angle between arm 8 is 90 degree, and holding arm 8 and retracting cylinder 2 is all tubular, holds arm 8 and is connected with retracting cylinder 2 by socket mode
It connects, retracting cylinder 2 can be moved freely along the axial direction for holding arm 8, and direction-caster 4,2 court of retracting cylinder are installed in the outside of retracting cylinder 2
Permanent magnet 1 is arranged in 3 center side of magnetropism force transferring structure, is also provided with permanent magnetism towards the direction of retracting cylinder 2 inside the gripping arm 8
Body 1, the end face identical with 1 magnetic pole of permanent magnet of arm 8 is held of permanent magnet 1 on retracting cylinder 2 is opposite and right, forms mutual exclusion thrust.
Since this structure occupy the drilling center of circle under the symmetrical repulsive interaction effect of permanent magnet automatically, pass through vertical distraction rope
It is connect with the device that falls to hang down that aperture is set up, center location in hole is accurately communicated up, high, adaptable with accuracy of alignment,
It is firm in structure it is durable, be easy to the advantages such as mass production.
Embodiment 2
As shown in Figure 1-3, a kind of magnetism sets middle device, including hauling rope 6, weight 7, direction-caster 4 and permanent magnet 1, also wrap
Retracting cylinder 2, magnetic force transferring structure 3 are included, the magnetism force transferring structure 3 is cross-shaped structure, in magnetic 3 upper and lower ends of force transferring structure
A hanging ring 5 is respectively installed at the center in face, and the hauling rope 6 ties up on the hanging ring 5 of the upper surface of magnetic force transferring structure 3, the weight 7
On the hanging ring 5 for hanging over the lower end surface of magnetic force transferring structure 3；Magnetism 3 surrounding of force transferring structure is evenly distributed with 4 gripping arms 8,
The angle held between arm 8 is 90 degree, and holding arm 8 and retracting cylinder 2 is all tubular, holds arm 8 and retracting cylinder 2 by way of socket
Connection, retracting cylinder 2 can be moved freely along the axial direction for holding arm 8, and direction-caster 4, retracting cylinder 2 are installed in the outside of retracting cylinder 2
Permanent magnet 1 is set towards magnetic 3 center side of force transferring structure, is also provided with forever inside the gripping arm 8 towards the direction of retracting cylinder 2
Magnet 1, the end face identical with 1 magnetic pole of permanent magnet of arm 8 is held of permanent magnet 1 on retracting cylinder 2 is opposite and right, forms mutual exclusion and pushes away
Power.
The magnetism force transferring structure 3, retracting cylinder 2 are all made of aluminum.
The quantity of the retracting cylinder 2 is identical as the quantity of arm 8 is held, number of the direction-caster 4 on each retracting cylinder 2
Amount is 2.
The arm 8 and the cross sectional shape of retracting cylinder 2 of holding is round.
The outside for holding arm 8 and being socketed in retracting cylinder 2.
The retracting cylinder 2 and gripping arm 8 are provided with limit, and retracting cylinder is prevented to completely disengage with arm is held.
The position for holding permanent magnet on arm 8 is adjustable in the axial direction, adjusting range 1mm-3mm.
The material of the direction-caster 4 is stainless steel, and the hauling rope 6 is steel wire.
It is process, has many advantages, such as light inexpensive since magnetic force transferring structure 3 and retracting cylinder 2 are all made of aluminum material；By
Be in the cross sectional shape for holding arm 8 and retracting cylinder 2 it is rectangular or round, have and be easy to mass production and install simply and easily
Advantage；Since the position for holding permanent magnet on arm 8 is adjustable in the axial direction, has can easily be accommodated and set the excellent of middle accuracy
Gesture.
Embodiment 3
As shown in Figure 1-3, the material of the permanent magnet 1 is neodymium iron boron on the basis of embodiment 2, using model N45
。
Since the material of permanent magnet 1 is neodymium iron boron, using model N45, has and be used without adjusting for a long time accurately
The advantage of degree.
The embodiments of the present invention assembly and use process is as follows:
Assembling process: it is an entirety that magnetism, which sets the magnetic force transferring structure of middle device and holds arm,；Permanent magnet is bonded respectively
The side of the inside for gripping arm of being in one's hands and the magnetic force transferring structure of retracting cylinder direction；Retracting cylinder is squeezed by holding the limit on arm
It holds in arm, so that retracting cylinder is in one's hands in gripping arm along holding arm and being free to move axially, and ensure that a pair of of permanent magnet is opposite
End face magnetic pole is identical, forms repulsion, direction-caster is mounted on to the outside of retracting cylinder, and hang up hauling rope and weight, that is, completed
Integral installation.
Use process: setting up the device that falls to hang down in drilling orifice, vertically and horizontally measurement ruler, survey line be arranged in spot face, will be magnetic
Hanging ring on the upside of device is set to connect by vertical steel wire with floating drum in the device that falls to hang down, it will be magnetic after extruding surrounding stainless steel direction-caster
It sets device to be put into drilling, slowly transfers steel wire to hole depth to be measured, steel wire restores that reading can be surveyed after stablizing.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (10)
1. a kind of magnetism sets middle device, including hauling rope (6), weight (7), direction-caster (4) and permanent magnet (1), it is characterized in that: also
Including retracting cylinder (2), magnetic force transferring structure (3), the magnetism force transferring structure (3) is cross-shaped structure, in magnetic force transferring structure
(3) center of upper and lower end faces is respectively installed a hanging ring (5), and the hauling rope (6) ties up to the upper surface of magnetic force transferring structure (3)
On hanging ring (5), the weight (7) is hung on the hanging ring (5) of the lower end surface of magnetic force transferring structure (3)；The magnetism force transferring structure
(3) surrounding is evenly distributed with 4 gripping arms (8), and the angle held between arm (8) is 90 degree, holds arm (8) and retracting cylinder (2)
All it is tubular, holds arm (8) and connect with retracting cylinder (2) by socket mode, retracting cylinder (2) can be along the axial direction side for holding arm (8)
To moving freely, direction-caster (4) are installed in the outside of retracting cylinder (2), magnetic force transferring structure (3) center one of retracting cylinder (2) direction
Permanent magnet (1) is arranged in side, is also provided with permanent magnet (1) inside gripping arm (8) towards the direction of retracting cylinder (2), retracting cylinder (2)
On permanent magnet (1) with to hold the identical end face of permanent magnet (1) magnetic pole of arm (8) opposite and right, form mutual exclusion thrust.
2. magnetism according to claim 1 sets middle device, it is characterized in that: the magnetism force transferring structure (3), retracting cylinder (2) are all
It is made of aluminum.
3. magnetism according to claim 1 sets middle device, it is characterized in that: the quantity of the retracting cylinder (2) and gripping arm (8)
Quantity is identical, and quantity of the direction-caster (4) on each retracting cylinder (2) is 1 or 2.
4. magnetism according to claim 1 sets middle device, it is characterized in that: the section shape for holding arm (8) and retracting cylinder (2)
Shape is rectangular or rectangle or circle.
5. magnetism according to claim 1 sets middle device, it is characterized in that: hold arm (8) are socketed in the outer of retracting cylinder (2)
Portion, or hold the inside that arm (8) are socketed in retracting cylinder (2).
6. magnetism according to claim 1 sets middle device, it is characterized in that: the gripping arm (8) all sets with the retracting cylinder (2)
It is equipped with limit, retracting cylinder (2) is prevented to completely disengage with arm (8) are held.
7. magnetism according to claim 1 sets middle device, it is characterized in that: on the gripping arm (8) or on the retracting cylinder (2)
The position of permanent magnet (1) is adjustable in the axial direction, and adjusting range is between 0.5mm-5mm.
8. magnetism according to claim 1 sets middle device, it is characterized in that: the material of the direction-caster (4) is stainless steel, institute
Stating hauling rope (6) is steel wire.
9. magnetism according to claim 1 sets middle device, it is characterized in that: the material of the permanent magnet (1) is alnico or neodymium
Iron boron or SmCo.
10. magnetism according to claim 7 sets middle device, it is characterized in that: the material of the permanent magnet (1) is neodymium iron boron, adopt
With model N45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820754029.2U CN208236404U (en) | 2018-05-21 | 2018-05-21 | A kind of magnetism sets middle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820754029.2U CN208236404U (en) | 2018-05-21 | 2018-05-21 | A kind of magnetism sets middle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208236404U true CN208236404U (en) | 2018-12-14 |
Family
ID=64580462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820754029.2U Active CN208236404U (en) | 2018-05-21 | 2018-05-21 | A kind of magnetism sets middle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208236404U (en) |
-
2018
- 2018-05-21 CN CN201820754029.2U patent/CN208236404U/en active Active
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