CN213712357U - Clamping device for keeping leveling rod vertical for surveying and mapping - Google Patents
Clamping device for keeping leveling rod vertical for surveying and mapping Download PDFInfo
- Publication number
- CN213712357U CN213712357U CN202021920687.8U CN202021920687U CN213712357U CN 213712357 U CN213712357 U CN 213712357U CN 202021920687 U CN202021920687 U CN 202021920687U CN 213712357 U CN213712357 U CN 213712357U
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- clamping
- surveying
- groove
- fixed seat
- vertical
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- 238000013507 mapping Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000002689 soil Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of surveying and mapping engineering, in particular to a clamping device for keeping a leveling rod vertical for surveying and mapping, which comprises a fixed seat and a clamping mechanism, wherein the fixed seat is provided with a supporting leg, the clamping mechanism is used for clamping the leveling rod, the top of the fixed seat is provided with a connecting angle steel, and the clamping mechanism is connected with the connecting angle steel; the clamping mechanism comprises a base and a clamping block, the base is of a square structure with a square groove formed in the front wall, and a first clamping groove is formed in the bottom of the side wall of the inner end of the square groove; the clamping block is of a square structure, a second clamping groove is formed in the inner wall of the clamping block, and the shape of the first clamping groove and the shape of the second clamping groove are matched with and clamped with the cross section shape of the leveling rod; the clamping block is driven by a driving mechanism to slide along the bottom of the square groove. The utility model discloses can make surveyor more light when leveling, and can make the levelling rod keep vertical, ensure the accuracy of reading.
Description
Technical Field
The utility model relates to a mapping engineering technical field especially relates to a survey and drawing is with keeping vertical clamping device of levelling rod.
Background
Leveling, also known as "geometric leveling", is a method of measuring the difference in height between two points on the ground using a level gauge and a leveling rod. A level is arranged between two points on the ground, a leveling staff erected on the two points is observed, and the height difference between the two points is calculated according to the reading on the staff. The elevation of each point is typically determined from station to station along a selected leveling route, starting from the leveling origin or any known elevation point. Because the leveling planes with different elevations are not parallel, the height difference between two points measured along different routes is different, so when the national leveling result is collated, necessary correction is carried out according to the adopted normal height system to obtain the correct elevation.
When leveling, the levelling rod often needs a surveyor to hold up, and another surveyor uses the spirit level to measure, very extravagant manpower like this, and simultaneously, when the surveyor's manual work held up the levelling rod, can not make the levelling rod keep vertical, when the levelling rod erects not the straight time, the data of reading out can be bigger than normal, influence measuring result.
Based on the above consideration, the utility model designs a survey and drawing is with keeping vertical clamping device of levelling rod.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a survey and drawing is with keeping the vertical clamping device of levelling rod, can make surveyor more light when leveling, and can make the levelling rod keep vertical, ensures the accuracy of reading.
In order to realize the utility model discloses a purpose, the utility model discloses a technical scheme do:
the utility model discloses a clamping device for keeping a leveling rod vertical for surveying and mapping, which comprises a fixed seat and a supporting leg, wherein the clamping mechanism is arranged on the fixed seat and is used for clamping the leveling rod, the cross section of the fixed seat is approximately in a regular triangle structure, three corners of the fixed seat are respectively provided with a connecting seat in a yoke structure, a pin shaft is arranged between the inner walls of the connecting seats, and one end of the supporting leg is respectively hinged with the connecting seat through the pin shaft; the top of the fixed seat is provided with a connecting angle steel, and the clamping mechanism is connected with the connecting angle steel; the clamping mechanism comprises a base and a clamping block, the base is of a square structure with a square groove formed in the front wall, and a first clamping groove is formed in the bottom of the side wall of the inner end of the square groove; the clamping block is of a square structure, a second clamping groove is formed in the inner wall of the clamping block, and the shape of the first clamping groove and the shape of the second clamping groove are matched with and clamped with the cross section shape of the leveling rod; the clamping block is driven by a driving mechanism to slide along the bottom of the square groove.
The driving mechanism comprises a screw rod, a limiting block, a power-assisted handle and a limiting ring, the limiting block is of a cylindrical structure and is fixed at the inner end of the screw rod, the power-assisted handle is fixedly connected at the outer end of the screw rod, a limiting hole for the limiting block to be inserted is formed in the outer wall of the clamping block, the limiting ring is welded at the outer end of the limiting hole, the outer diameter of the limiting ring is the same as the inner diameter of the limiting hole, and the inner diameter of the limiting ring is not smaller than the outer diameter of the screw rod; and the outer side wall of the square groove is provided with a threaded hole which is in threaded engagement with the external thread on the screw rod.
The power-assisted handle is approximately in a herringbone structure and is coaxial with the screw rod.
The bottom of the square groove is provided with two sliding grooves, and the inner end face of the clamping block is provided with two sliding blocks which are matched with the sliding grooves to slide.
The inner ends of the two side walls of the base are respectively provided with a square mounting groove, and the inner end walls of the two mounting grooves are respectively provided with two mounting holes; and the longitudinal steel plate of the connecting angle steel is provided with a connecting hole coaxial with the mounting hole, and the connecting hole is connected with the mounting hole through a bolt and a nut.
And a reinforcing plate in a right-angled triangle shape is arranged between the longitudinal steel plate and the transverse steel plate of the connecting angle steel.
And a universal level gauge is arranged at the center of the top of the fixed seat.
The bottom of the supporting leg is provided with a conical tip part.
And a boosting plate which is vertical to the supporting legs is arranged below the outer walls of the supporting legs, and reinforcing ribs are arranged below the boosting plate.
The beneficial effects of the utility model reside in that:
1. the leveling rod is placed in the square groove, and then the driving mechanism drives the clamping block to gradually push the leveling rod until the two sides of the leveling rod are matched and clamped with the first clamping groove and the second clamping groove, so that the base is in a horizontal state after the fixing base is leveled through the supporting legs, the clamped leveling rod can be kept in a vertical state, and the reading accuracy during the measurement is ensured; meanwhile, a surveyor can save more labor and cannot hold the leveling rod all the time.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the working state of the present invention;
FIG. 3 is a schematic structural view of the clamping mechanism of the present invention;
fig. 4 is a cross-sectional view of fig. 3.
In the figure, a fixed seat 1, a supporting foot 2, a tip portion 21, a boosting plate 22, a leveling rod 3, a clamping mechanism 4, a base 41, a clamping block 42, a square groove 43, a first clamping groove 44, a second clamping groove 45, a sliding groove 46, a sliding block 47, a mounting groove 48, a mounting hole 49, a connecting angle steel 5, a connecting hole 51, a reinforcing plate 52, a driving mechanism 6, a lead screw 61, a limiting block 62, a boosting handle 63, a limiting ring 64, a threaded hole 65 and a universal level gauge 7 are arranged.
Detailed Description
The invention will be further described with reference to the following figures and examples:
see fig. 1-4.
The utility model discloses a clamping device for keeping a leveling rod vertical for surveying and mapping, which comprises a fixed seat 1 and supporting legs 2, wherein the fixed seat 1 is provided with a clamping mechanism 4 for clamping the leveling rod 3, the cross section of the fixed seat 1 is approximately in a regular triangle structure, three corners of the fixed seat are respectively provided with a connecting seat 11 in a yoke structure, a pin shaft is arranged between the inner walls of the connecting seats 11, and one end of each supporting leg 2 is hinged with the connecting seat 11 through the pin shaft; the top of the fixed seat 1 is provided with a connecting angle steel 5, and the clamping mechanism 4 is connected with the connecting angle steel 5; the clamping mechanism 4 comprises a base 41 and a clamping block 42, wherein the base 41 is of a square structure with a square groove 43 formed in the front wall, and a first clamping groove 44 is formed in the bottom of the side wall of the inner end of the square groove 43; the clamping block 42 is of a square structure, a second clamping groove 45 is formed in the inner wall of the clamping block, and the shapes of the first clamping groove 44 and the second clamping groove 45 are matched and clamped with the cross section shape of the leveling rod 3; the leveling rod 3 is placed in the square groove 43, then the driving mechanism 6 drives the clamping block 42 to gradually push the leveling rod 3 until the two sides of the leveling rod 3 are matched and clamped with the first clamping groove 44 and the second clamping groove 45, so that the clamped leveling rod 3 can be kept in a vertical state after the fixing seat 1 is leveled through the supporting legs 2, and the reading accuracy during measurement is ensured; meanwhile, a surveyor can save more labor and cannot hold the leveling rod all the time.
The driving mechanism 6 comprises a screw rod 61, a limiting block 62, a power-assisted handle 63 and a limiting ring 64, wherein the limiting block 62 is of a cylindrical structure and is fixed at the inner end of the screw rod 61, the power-assisted handle 63 is fixedly connected at the outer end of the screw rod 61, a limiting hole for the limiting block 62 to insert is formed in the outer wall of the clamping block 42, the limiting ring 64 is welded at the outer end of the limiting hole, the outer diameter of the limiting ring is the same as the inner diameter of the limiting hole, and the inner diameter of the limiting ring is not smaller than the outer diameter of the screw rod 61; the outer side wall of the square groove 43 is provided with a threaded hole 65 which is matched with the external thread on the screw rod 61 and is in threaded engagement; when the clamping block 42 needs to be driven to slide along the bottom of the square groove 43, a measurer rotates the power-assisted handle 63 to drive the screw rod 61 to rotate, the screw rod 61 rotates to move along the axial direction of the threaded hole 65 due to the fact that the external thread of the screw rod 61 is in matched threaded engagement with the threaded hole 65, the screw rod 61 is sleeved in the limiting hole due to the fact that the limiting block 62 at the inner end of the screw rod 61 is sleeved in the limiting hole, the end face of the inner end of the clamping block 42 is tightly propped against the bottom of the square groove 43, the clamping block cannot rotate along with the screw rod 61; the installation process comprises the following steps: firstly, the limiting block 62 is placed in the limiting hole, then the limiting ring 64 is welded at the outer end of the limiting hole and used for enabling the limiting block 62 to move along the axial direction of the limiting hole, then the screw rod 61 penetrates through the threaded hole 65 to be connected with the axis of the limiting block 62, and finally the power-assisted handle 63 is fixed at the outer end of the screw rod 61.
The power-assisted handle 63 is substantially in a herringbone structure, is coaxial with the screw rod 61, and can enable a measurer to rotate the screw rod 61 more conveniently.
The bottom of the square groove 43 is provided with two sliding grooves 46, the end face of the inner end of the clamping block 42 is provided with two sliding blocks 47 which are matched with the sliding grooves 46 to slide, so that the clamping block 42 is ensured to slide along the bottom of the sliding grooves 46, and the leveling rod 3 can be better clamped.
The inner ends of the two side walls of the base 41 are respectively provided with a square mounting groove 48, and the inner end walls of the two mounting grooves 48 are respectively provided with two mounting holes 49; the connecting angle steel 5 is characterized in that a connecting hole 51 coaxial with the mounting hole 49 is formed in the longitudinal steel plate, and the connecting hole 51 is connected with the mounting hole 49 through a bolt and a nut, so that the clamping mechanism 4 can be conveniently mounted and dismounted.
Be equipped with between angle steel 5's vertical steel sheet and the horizontal steel sheet and be right angled triangle's reinforcing plate 52, ensure angle steel 5's joint strength, ensure that the contained angle between vertical steel sheet and the horizontal steel sheet is the right angle, can not change along with long-time use contained angle, when guaranteeing centre gripping levelling rod 3, it can keep vertical.
The center of the top of the fixed seat 1 is provided with a universal level gauge 7, a measurer can level the fixed seat 1 through the supporting legs 2 by arranging the universal level gauge 7, and preferably, the three supporting legs 2 can freely extend and retract so as to better level; the universal level 7 is prior art and its working principle is not described in detail.
The bottom of supporting legs 2 is equipped with and is conical pointed end 21, is convenient for when measuring in the comparatively soft place in soil through setting up pointed end 21, inserts supporting legs 2 in the soil for strutting arrangement is more stable, thereby makes the levelling rod place more stably.
The outer wall below of supporting legs 2 is equipped with the helping hand board 22 of perpendicular setting mutually with it, the below of helping hand board 22 is equipped with the strengthening rib, and through setting up helping hand board 22 convenient to use person inserts supporting legs 2 in soil, through setting up the strengthening rib, is difficult to damage when guaranteeing that helping hand board 22 atress, prolongs its life.
The above mentioned is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings or the direct or indirect application in the related technical field are included in the patent protection scope of the present invention.
Claims (9)
1. A clamping device for keeping a leveling rod vertical for surveying and mapping is characterized in that: comprises a fixed seat (1), a clamping mechanism (4) which is arranged on the fixed seat (1) and used for clamping a leveling rod (3) and supporting legs (2),
the cross section of the fixed seat (1) is approximately in a regular triangle structure, three corners of the fixed seat are respectively provided with a connecting seat (11) in a yoke structure, a pin shaft is arranged between the inner walls of the connecting seats (11), and one end of each supporting leg (2) is hinged with the connecting seat (11) through the pin shaft;
the top of the fixed seat (1) is provided with a connecting angle steel (5), and the clamping mechanism (4) is connected with the connecting angle steel (5);
the clamping mechanism (4) comprises a base (41) and a clamping block (42), the base (41) is of a square structure with a square groove (43) formed in the front wall, and a first clamping groove (44) is formed in the bottom of the side wall of the inner end of the square groove (43); the clamping block (42) is of a square structure, a second clamping groove (45) is formed in the inner wall of the clamping block, and the shape of the first clamping groove (44) and the shape of the second clamping groove (45) are matched and clamped with the cross section of the leveling rod (3); the clamping block (42) is driven by a driving mechanism (6) to slide along the bottom of the square groove (43).
2. A holding device for holding a level ruler vertical for surveying and mapping according to claim 1, wherein: the driving mechanism (6) comprises a screw rod (61), a limiting block (62), an assistance handle (63) and a limiting ring (64), the limiting block (62) is of a cylindrical structure and is fixed at the inner end of the screw rod (61), the assistance handle (63) is fixedly connected to the outer end of the screw rod (61), a limiting hole for the limiting block (62) to insert is formed in the outer wall of the clamping block (42), the limiting ring (64) is welded at the outer end of the limiting hole, the outer diameter of the limiting ring is the same as the inner diameter of the limiting hole, and the inner diameter of the limiting ring is not smaller than the outer diameter of the screw rod (61); and the outer side wall of the square groove (43) is provided with a threaded hole (65) which is in threaded engagement with the external thread matched with the external thread on the screw rod (61).
3. A holding device for holding a level ruler vertical for surveying and mapping according to claim 2, wherein: the power-assisted handle (63) is approximately in a herringbone structure and is coaxial with the screw rod (61).
4. A holding device for holding a level ruler vertical for surveying and mapping according to claim 3, wherein: the bottom of the square groove (43) is provided with two sliding grooves (46), and the end face of the inner end of the clamping block (42) is provided with two sliding blocks (47) which are matched with the sliding grooves (46) to slide.
5. A holding device for keeping a leveling rod vertical for surveying and mapping according to claim 4, wherein: the inner ends of two side walls of the base (41) are respectively provided with a square mounting groove (48), and the inner end walls of the two mounting grooves (48) are respectively provided with two mounting holes (49); and a connecting hole (51) coaxial with the mounting hole (49) is formed in the longitudinal steel plate of the connecting angle steel (5), and the connecting hole (51) is connected with the mounting hole (49) through a bolt and a nut.
6. A holding device for keeping a leveling rod vertical for surveying and mapping according to claim 5, wherein: and a reinforcing plate (52) in a right-angled triangle shape is arranged between the longitudinal steel plate and the transverse steel plate of the connecting angle steel (5).
7. A holding device for holding a level ruler vertical for surveying and mapping according to claim 1, wherein: the top center of the fixed seat (1) is provided with a universal level gauge (7).
8. A holding device for holding a level ruler vertical for surveying and mapping according to claim 1, wherein: the bottom end of the supporting leg (2) is provided with a conical tip part (21).
9. A holding device for holding a level ruler vertical for surveying and mapping according to claim 8, wherein: the supporting leg is characterized in that a boosting plate (22) which is perpendicular to the supporting leg is arranged below the outer wall of the supporting leg (2), and reinforcing ribs are arranged below the boosting plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021920687.8U CN213712357U (en) | 2020-09-07 | 2020-09-07 | Clamping device for keeping leveling rod vertical for surveying and mapping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021920687.8U CN213712357U (en) | 2020-09-07 | 2020-09-07 | Clamping device for keeping leveling rod vertical for surveying and mapping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213712357U true CN213712357U (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021920687.8U Expired - Fee Related CN213712357U (en) | 2020-09-07 | 2020-09-07 | Clamping device for keeping leveling rod vertical for surveying and mapping |
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| Country | Link |
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| CN (1) | CN213712357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704734A (en) * | 2022-03-11 | 2022-07-05 | 中国民用航空飞行学院 | Monocular stereoscopic vision measuring device |
-
2020
- 2020-09-07 CN CN202021920687.8U patent/CN213712357U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704734A (en) * | 2022-03-11 | 2022-07-05 | 中国民用航空飞行学院 | Monocular stereoscopic vision measuring device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210716 |