CN216202174U - Auxiliary GPS measuring equipment centering device - Google Patents
Auxiliary GPS measuring equipment centering device Download PDFInfo
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- CN216202174U CN216202174U CN202122734758.6U CN202122734758U CN216202174U CN 216202174 U CN216202174 U CN 216202174U CN 202122734758 U CN202122734758 U CN 202122734758U CN 216202174 U CN216202174 U CN 216202174U
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Abstract
The utility model discloses an auxiliary GPS measuring equipment centering device, comprising: a pair of centering bars; the upper sleeve is fixedly connected to the centering rod; a plurality of support legs rotatably connected with the upper sleeve; and a fixed connection just be located on the centering rod the lower sleeve of upper sleeve below, be provided with on the lower sleeve a plurality of along lower sleeve axis direction extend, and with a plurality of landing leg one-to-one's spout, every all be provided with a slider unit in the spout, the slider unit include one with spout sliding connection's slider, one with slider swing joint's connecting rod and one set up on the slider and restrict the gliding slider fixing device of slider, the connecting rod is kept away from the slider one end with the corresponding landing leg swing joint of spout realizes the independent control of angle between each landing leg and the centering rod through removing the slider for GPS measuring equipment satisfies the needs of the quick centering flattening of complicated topography.
Description
Technical Field
The utility model relates to an auxiliary centering device, in particular to a centering device for assisting GPS measurement.
Background
The existing GPS equipment is widely applied to engineering measurement, has the advantages of simple operation and quick data reading of the equipment, in the process of GPS measurement, a centering rod is only a vertical rod, and when the GPS equipment is used for measurement in soft foundations, sloping fields and other terrains, a measurer is difficult to keep the centering rod in a centering state, so that errors exist between a measurement result and an actual object during GPS measurement, the measurement precision of the GPS is affected, and in order to further improve the measurement precision of the GPS, particularly the measurement precision of the GPS measurement equipment used in soft foundations and sloping fields, the centering rod needs to be further improved.
Chinese patent with the patent number CN 201757648U, specifically disclose a centering support frame, centering rod and pedestal connection axle parallel arrangement, and it is fixed through the base, the base includes centering rod cover and pedestal connection axle sleeve, pedestal connection axle sleeve is fixed in the bottom end of pedestal connection axle, centering rod cover cup joints at the centering rod middle part, the top of two foot support frames is fixed with the top of pedestal connection axle, centering rod centering support is assisted through two foot support frames promptly, and two foot support frames compare in centering rod offset type setting, but such setting is only fit for using on the flat ground, when using on soft base and slope, centering support frame does not change for the barycentric position on ground, under centering support frame's drive, the centering rod takes place the skew very easily, and then cause the centering precision of centering rod relatively poor.
Chinese patent No. CN 209387029U, in particular to a mapping centering support device, a first movable sleeve and a second movable sleeve are arranged on the outer side wall of a support rod, fastening knobs are arranged on the first movable sleeve and the second movable sleeve, a support frame is movably connected below one side of the first movable sleeve, the number of the support frames is three, a secondary support frame is movably connected to one side of the support frame, the other end of the secondary support frame is movably connected with the second movable sleeve, namely the support rod is arranged on the central position formed by the three support frames, the space between the three support frames can be effectively adjusted through the secondary support frame, when the support device is used on uneven ground, the support device can play an effective stabilizing role, but the patent still has a defect that the space between the three support frames must be synchronously adjusted, which is similar to the opening and the folding of an umbrella, the distances among the three support frames must be simultaneously enlarged or reduced, and the contact points of the three support frames and the ground are all in the same plane, but if the support frame is used on a slope or a soft foundation, the contact points of the support frame and the ground are not in the same plane, the centering rod must tilt or the overall structure of the support frame is unstable, so that the centering rod cannot keep stable and high centering precision under the condition of the slope or the soft foundation.
It can be seen that there is a need in the art for an auxiliary centering adjustment device that maintains good centering accuracy and stability of centering rod placement in soft foundation or slope conditions.
Disclosure of Invention
The utility model aims to overcome the defect that the auxiliary centering device in the prior art cannot keep the centering of GPS equipment on a slope or uneven ground, and provides an auxiliary device which can assist GPS measuring equipment to stably center under the condition of complex terrain.
The purpose of the utility model is realized as follows: the utility model provides an auxiliary GPS measuring equipment centering device, comprising:
a pair of centering bars;
the upper sleeve is fixedly connected to the centering rod;
a plurality of support legs rotatably connected with the upper sleeve; and
a fixed connection just be located on the centering rod the lower sleeve of upper sleeve below, be provided with on the lower sleeve a plurality of along lower sleeve axis direction extends, and with a plurality of landing leg one-to-one's spout, every all be provided with a slider unit in the spout, the slider unit include one with spout sliding connection's slider, one with slider swing joint's connecting rod and one set up and be in on the slider and restriction the gliding slider fixing device of slider, the connecting rod is kept away from the one end of slider with the corresponding landing leg swing joint of spout.
Preferably, a first threaded through hole is formed in the sliding block, and the sliding block fixing device is a first tightening knob matched with the first threaded through hole.
Preferably, each support leg comprises an outer sleeve and an inner rod, wherein one end of the inner rod extends out of the outer sleeve, the outer wall of the outer sleeve, which is close to one end of the inner rod, is further provided with an inner rod fixing device for fixing the inner rod.
Preferably, a second threaded through hole is formed in the outer sleeve, and the inner rod fixing device is a second tightening knob matched with the second threaded through hole.
Preferably, one end of each leg, which is far away from the upper sleeve, is movably connected with an enlarged bottom support.
Preferably, one end of each support leg, which is far away from the upper sleeve, is provided with a spherical end, and each enlarged bottom support is provided with a groove matched with the spherical end.
Preferably, the enlarged bottom support is of a circular truncated cone structure.
Preferably, the upper sleeve is fixed at a position which is one third of the height of the bottom of the centering rod.
Based on the technical scheme, the utility model has the following characteristics:
first, through the slider unit that sets up between landing leg and the centering rod, can adjust the angle between each landing leg and the centering rod respectively, when supplementary centering device placed complicated topography on, according to the circumstances of complicated topography, adjust the angle between every landing leg and the centering rod respectively for the centering rod can be under vertical state, fixed subaerial at complicated topography, keeps good centering performance.
Secondly, be provided with the through-hole on the slider of slider unit, screw up through screwing up the knob, can realize the quick fixed of slider, improve the convenience of using.
And thirdly, the supporting legs are provided with the outer sleeves and the inner rods, the length of the inner rods extending out of the outer sleeves is adjusted through the inner rod fixing device, the length adjustment of the supporting legs is realized, the adjusting range of the auxiliary centering device is enlarged, and the adaptive requirement of the centering device on the slope angle is met.
And fourthly, the enlarged collet is connected with the end part of the supporting leg in a ball hinge mode, so that the enlarged collet and the end part of the supporting leg can be adjusted at any angle, the end part of the supporting leg and the angle between the enlarged collet can be adjusted in a self-adaptive manner according to the condition according to the placing angle of the supporting leg, and the included angle between the supporting leg and the enlarged collet does not need to be additionally allocated. In addition, enlarge collet and ground direct contact, compare in the direct and ground contact of landing leg, increased the area of contact of supplementary centering device with ground, and then the fixed stability of supplementary centering device of reinforcing.
Drawings
FIG. 1 is a front view of an alignment apparatus of the present invention for aiding GPS measurement devices;
FIG. 2 is a top view of the centering device of the assisted GPS measurement apparatus of the present invention;
FIG. 3 is a cross-sectional view of a lower sleeve of the centering device of the assisted GPS measurement apparatus of the present invention;
FIG. 4 is an enlarged view of the centering device A of the auxiliary GPS measuring apparatus of the present invention;
fig. 5 is an enlarged view of the auxiliary GPS measuring device centering device B of the present invention.
Detailed Description
The utility model will be further explained with reference to the drawings.
The utility model aims to provide a centering device for auxiliary GPS measuring equipment, which solves the problem that a centering rod in the prior art cannot keep good centering precision under a complicated terrain condition. For further disclosure of the present invention, reference will now be made to the accompanying drawings, which are incorporated in and constitute a part of this specification.
Referring to fig. 1 and 2, the centering device of the auxiliary GPS measuring equipment comprises a centering rod 1, an upper sleeve 2 fixedly connected to the centering rod 1, a plurality of support legs 3 rotatably connected to the upper sleeve 2, a lower sleeve 4 fixedly connected to the centering rod 1 and positioned below the upper sleeve 2, wherein, be provided with a plurality of axis directions along lower sleeve 4 on the sleeve 4 down and extend, and with the spout 41 of a plurality of landing leg 3 one-to-one, all be provided with a slider unit in every spout 41, every slider unit all include one with spout 41 sliding connection's slider 7, one with slider 5 sliding connection's connecting rod 5 and one set up on slider 7 and restriction slider 7 gliding slider fixing device, slider 7's one end and the corresponding landing leg 3 swing joint of slider 7 are kept away from to connecting rod 5, each landing leg 3 all is connected with lower sleeve 4 through connecting rod 5 and slider unit, make the angle between each landing leg 3 and centering rod 1 can both realize independent control. Now take 3 angle modulation in-process of one of them landing leg as an example, when landing leg 3 carries out angle modulation, through removing slider 7, adjust the angle between connecting rod 5 and centering rod 1, and then the angle between connecting rod 5 and landing leg 3 also obtains adjusting, according to triangle-shaped total interior angle and unchangeable principle, in the triangle-shaped that landing leg 3, connecting rod 5 and centering rod 1 formed, the angle between landing leg 3 and centering rod 1 is corresponding has just also obtained adjusting, after the angle modulation between landing leg 3 and centering rod 1 is accomplished, through slider fixing device fixed slider 7, and then the angle between fixed landing leg 3 and centering rod 1, realized the regulation and the fixing of the angle between landing leg 3 and centering rod 1. When the auxiliary GPS measuring equipment centering device faces complex terrains, under the condition that the centering rod 1 is kept vertical, one end of the supporting leg is fixed on the ground, and the angle between the other end of the supporting leg and the centering rod can be adjusted according to actual conditions, so that the auxiliary GPS measuring equipment centering device can keep the centering rod 1 in a centering state under any complex terrains, and good centering performance is achieved.
Specifically, referring to fig. 3, the sliding groove 41 is a through hole radially penetrating through the lower sleeve 4, and the sliding block 7 can slide in the sliding groove of the lower sleeve 4;
referring to fig. 4, one end of the connecting rod 5 is connected to the inner rod 31 of the leg 3 through the first pin 8, so that the connecting rod rotates relative to the inner rod 31, and the angle between the connecting rod and the leg is adjustable;
referring to fig. 5, the other end of the connecting rod 5 is connected to the slider 7 through a second pin 9, so that the connecting rod 5 can rotate relative to the slider 7, and the angle between the connecting rod 5 and the slider 7 can be adjusted.
Further, be provided with first screw thread through-hole on the slider 7, slider fixing device is the first knob of screwing up with first screw thread through-hole matched with, through rotating first knob of screwing up, adjust the slider 7 moves on first knob of screwing up, when the tip of screwing up the knob supports when the centering rod, slider 7 is to the internal face removal of lower sleeve 4, and compress tightly the internal face of lower sleeve 4, the frictional force between slider 7 and the lower sleeve 4 has been increased, and then reach the purpose of fixed slider 7, realize the effect of quick effective fixed slider 7, the convenience of centering device use is assisted in the reinforcing.
Further, the diameter of the first tightening knob is larger than the width of the corresponding sliding groove 41, so that the sliding block 7 is limited in the sliding groove 41 under the combined action of the first tightening knob and the wall surface of the lower sleeve 4, and the sliding block 7 is prevented from falling into the lower sleeve 4.
Furthermore, each supporting leg 3 comprises an outer sleeve 31 and an inner rod 32 which is arranged in the outer sleeve 31 and one end of which extends out of the outer sleeve 31, an inner rod fixing device for fixing the inner rod 32 is arranged on the outer wall of the outer sleeve 31 close to one end of the inner rod 32, the inner rod 32 and the outer sleeve 31 can slide relatively, and the inner rod fixing device can limit the relative sliding between the inner rod 32 and the outer sleeve 31 to achieve the purpose of fixing the length of the supporting leg, so that on the basis of adjustable angle between the centering rod 1 and the supporting leg 3, the length of the supporting leg 3 can be adjusted, the adjusting range of the auxiliary GPS measuring equipment centering device is further enlarged, and the centering rod can also keep good centering performance under more complicated terrain conditions.
Specifically, be provided with second screw through-hole on the outer sleeve 31, interior pole fixing device is for screwing up the knob with second screw through-hole matched with second, through rotating the second and screwing up the knob, adjust the second and screw up the length that the knob stretches into in the outer sleeve 31, make second screw up knob one end drive interior pole 32 and lean on the inner wall of outer sleeve, frictional force between interior pole 32 and the outer sleeve 31 of increase, and then realize interior pole 32 fixed, make landing leg 3 can keep the length after the regulation, and the operation is simple, satisfy the needs of supplementary centering device simple operation nature.
Further, referring to fig. 1 and 2, one end of each leg 3, which is far away from the upper sleeve 4, is movably connected with an expansion bottom support 6, after the expansion bottom support 6 is fixed on the ground, the angle between each leg 3 and the expansion bottom support 6 can be adaptively adjusted according to actual terrain conditions, and the centering performance of the centering rod and the stability of the centering rod to be placed are further enhanced.
Specifically, one end of each supporting leg 3, which is far away from the upper sleeve 4, is provided with a spherical end, and each enlarged bottom support 6 is provided with a spherical groove matched with the spherical end, so that the spherical hinge connection between the supporting leg 3 and the enlarged bottom support 6 is realized, and the supporting leg 3 and the ground can be placed at any angle.
Further, every enlarges collet 6 and is round platform type structure, and round platform type structure has the stable characteristics of placing to the area of contact on the bottom surface of round platform type and ground is great, especially when soft base is measured, through the area of contact on supplementary centering device of increase and soft base ground, can effectively place the support frame and fall, has just also increased the stability that auxiliary device placed.
Further, the upper sleeve 2 is fixed at a position which is one third of the height of the bottom of the centering rod 1, so that the support frame is located at the lower part of the centering rod 1, the integral gravity center of the support frame is reduced, the support frame is effectively prevented from being turned on one side in the using process, and the support stability of the support frame is kept.
Furthermore, the inner rod 31 and the enlarged bottom support 6 are made of PVC materials, the characteristic of stable performance of the PVC materials is fully utilized, the contact position of the support frame and the ground is kept from being corroded by other substances on the ground, the requirement of long-term use of the support frame is met, the service life of the support frame is prolonged, and the stability of the support frame is further improved.
In summary, the utility model provides a centering device for an auxiliary GPS measuring device, wherein an upper sleeve is arranged on a centering rod, a plurality of support legs are circumferentially connected to the upper sleeve, a lower sleeve connected to the centering rod is arranged below the upper sleeve, and a slider unit in the lower sleeve is connected to the side walls of the support legs through connecting rods, so that the adjustment of the angle between each support leg and the centering rod is respectively realized, and the centering rod can keep good centering performance under any complicated terrain conditions. The landing leg is kept away from the telescopic one end and is connected through ball-hinged's mode with enlarging the collet for can adapt to its angle according to actual conditions between landing leg and the ground, and then increase strutting arrangement's angle modulation scope, and enlarge the collet and still increased the area of contact on support frame and ground, and then strengthened the stability that strutting arrangement supported.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (8)
1. An assisted GPS measuring device centering apparatus, comprising:
a pair of centering bars;
the upper sleeve is fixedly connected to the centering rod;
a plurality of support legs rotatably connected with the upper sleeve; and
a fixed connection just be located on the centering rod the lower sleeve of upper sleeve below, be provided with on the lower sleeve a plurality of along lower sleeve axis direction extends, and with a plurality of landing leg one-to-one's spout, every all be provided with a slider unit in the spout, the slider unit include one with spout sliding connection's slider, one with slider swing joint's connecting rod and one set up and be in on the slider and restriction the gliding slider fixing device of slider, the connecting rod is kept away from the one end of slider with the corresponding landing leg swing joint of spout.
2. The centering device for an auxiliary GPS measuring device according to claim 1, wherein the slider is provided with a first threaded through hole, and the slider fixing device is a first tightening knob engaged with the first threaded through hole.
3. The centering device for auxiliary GPS measuring equipment as claimed in claim 1, wherein each of the legs comprises an outer sleeve and an inner rod disposed inside the outer sleeve and having one end extending out of the outer sleeve, wherein an inner rod fixing device for fixing the inner rod is further disposed on an outer wall of the outer sleeve near one end of the inner rod.
4. The centering device for an auxiliary GPS measuring device according to claim 3, wherein the outer sleeve is provided with a second threaded through hole, and the inner rod fixing device is a second tightening knob which is matched with the second threaded through hole.
5. The centering device for an aided GPS measuring instrument of claim 1, wherein an end of each of said legs remote from said upper sleeve is movably connected to an enlarged shoe.
6. The centering device of claim 5, wherein an end of each of said legs remote from said upper sleeve is provided with a spherical end, and each of said enlarged shoes is provided with a groove for mating with said spherical end.
7. The centering device for an aided GPS measuring equipment of claim 6, wherein the enlarged bottom support is of a truncated cone type structure.
8. The centering device of an aided GPS measuring equipment according to any one of claims 1 to 7, wherein the upper sleeve is fixed at a position one-third of the height from the bottom of the centering rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122734758.6U CN216202174U (en) | 2021-11-09 | 2021-11-09 | Auxiliary GPS measuring equipment centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122734758.6U CN216202174U (en) | 2021-11-09 | 2021-11-09 | Auxiliary GPS measuring equipment centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216202174U true CN216202174U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122734758.6U Active CN216202174U (en) | 2021-11-09 | 2021-11-09 | Auxiliary GPS measuring equipment centering device |
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| Country | Link |
|---|---|
| CN (1) | CN216202174U (en) |
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2021
- 2021-11-09 CN CN202122734758.6U patent/CN216202174U/en active Active
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