CN212203869U

CN212203869U - Stable level for engineering measurement

Info

Publication number: CN212203869U
Application number: CN202020770134.2U
Authority: CN
Inventors: 节冬梅; 李波
Original assignee: Shenzhen Zhuoli Survey Engineering Co ltd
Current assignee: Shenzhen Zhuoli Survey Engineering Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-12-22
Anticipated expiration: 2030-05-11

Abstract

The utility model relates to a stable form surveyor's level for engineering survey belongs to the technical field of measuring instrument, its technical scheme main points, include: the bottom end of the level body is provided with a supporting seat for supporting the level body; a base is arranged below the bottom end of the supporting seat; a damping device is arranged between the supporting seat and the base; the bottom end of the base is provided with a support frame; a balance plate is movably sleeved at the bottom of the support frame; and an adjusting piece for adjusting the height of the balance plate is arranged at the bottom of the support frame. The utility model discloses when using, can make the surveyor's level support can adapt to multiple ground, for example ground such as weak soil, steel sheet, the stability of surveyor's level on the reinforcing support reduces the surveyed error of surveyor's level.

Description

Stable level for engineering measurement

Technical Field

The utility model relates to a technical field of measuring instrument especially relates to a stable form surveyor's level for engineering survey.

Background

The level is an instrument for establishing a horizontal sight line to measure the height difference between two points on the ground. The principle is to measure the height difference between ground points according to the leveling principle. The main components are hopeful to be a telescope, a tube level gauge (or compensator), a vertical shaft, a base and a foot screw.

The leveling instrument on the market at present is used except for the reason of quality of the leveling instrument, and the secondary reason influencing the measurement accuracy mostly comes from the support, when the leveling instrument is used for measuring in a place with soft geology (such as a silt place), the lower end of the support is easy to sink after the fixing is finished, so that the measurement accuracy is influenced. And will place the spirit level support on plank or the steel sheet on the building site sometimes, in the measurement process, someone has passed on plank or the steel sheet and will lead to the vibration of spirit level support to lead to the vibration of spirit level, thereby influence the use of spirit level.

The above prior art solutions have the following drawbacks: in present current surveyor's level support, lack the support that can adapt to multiple ground, when needs use the surveyor's level on different ground and measure, influence measuring precision because of ground reason easily, and current surveyor's level ubiquitous lacks damping device, damages the instrument inner part easily during the vibration, and this has brought very big test for the security that the surveyor's level used.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a stable form spirit level for engineering survey. Can make the surveyor's level support can adapt to multiple ground, ground such as soft soil, steel sheet, the stability of surveyor's level on the reinforcing support reduces the surveyed error of surveyor's level.

The above object of the present invention can be achieved by the following technical solutions:

a stable level for engineering measurement comprises a level body, wherein a supporting seat for supporting the level body is arranged at the bottom end of the level body; a base is arranged below the bottom end of the supporting seat; a damping device is arranged between the supporting seat and the base; the bottom end of the base is provided with a support frame; a balance plate is movably sleeved at the bottom of the support frame; the bottom of support frame is equipped with the regulating part that is used for adjusting the balance plate height.

Adopt above-mentioned technical scheme, the surveyor's level body is installed on the supporting seat, installs damping device between supporting seat and the base, and when ground emergence vibrations such as steel sheet, damping device can make the vibrations of surveyor's level obtain the buffering to keep surveyed stability of surveyor's level. Or when the support frame is used on a softer ground, the balance plate at the bottom of the support frame can be adjusted to be tightly attached to the ground, so that the contact area between the balance plate and the ground is increased, the support frame can not sink continuously on the softer ground, and the measurement error is reduced.

The utility model discloses further set up the damping device includes: a fixed plate mounted on the top end of the base; the round hollow cylinder is arranged on the fixed plate; and a damper spring disposed within the hollow cylinder; the pressing plate is arranged at one end of the damping spring, which is far away from the fixed plate; one end of the solid cylinder is connected with the top end of the pressing plate, and the other end of the solid cylinder is fixed with the supporting seat.

Adopt above-mentioned technical scheme, install the surveyor's level on the supporting seat, install the support frame under the base, damping device installs between supporting seat and base, mainly acts as the buffer zone by damping spring, when ground takes place vibrations, damping device makes the vibrations that the surveyor's level on the supporting seat received obtain the buffering, ensures that the position of surveyor's level does not take place great change to ensure measuring precision, also avoided simultaneously because the inside condition emergence great vibration of surveyor's level damages the instrument takes place.

The utility model discloses it is further set up that the support frame is the telescopic link, and the telescopic link comprises two sleeve pipes, sliding connection between two sleeve pipes, install the locking piece that is used for locking both sides on the sleeve pipe.

By adopting the technical scheme, the supporting frame is the telescopic rod, so that the height of the level gauge can be conveniently adjusted, the measuring device is suitable for more complex measuring environments, and meanwhile, the supporting frame can be contracted and is convenient to carry.

The utility model discloses it further sets up that the regulating part is the adjusting bolt who alternates in the bracing piece bottom, adjusting bolt's bottom is supported and is pressed on the surface of bracing piece, adjusting bolt is fixed mutually with the balance plate, the screw hole that supplies adjusting bolt to pass is seted up along the perpendicular bisector direction of support frame to the balance plate side.

By adopting the technical scheme, the adjusting piece is the adjusting bolt, when the ground is measured, the position of the balance plate is determined, the locking effect can be achieved by screwing the adjusting bolt, the balance plate is tightly attached to the ground, and the operation mode is simple and rapid.

The utility model is further provided with a supporting leg at the bottom of the supporting frame, the supporting leg is a conical plug, and the outer surface is provided with a thread.

Adopt above-mentioned technical scheme, establish the supporting legs into the toper plug, set up the screw thread on the surface of the external surface, can make things convenient for the supporting legs to inject in the middle of softer ground, when needs are used on harder subaerial, the toper plug makes the surveyor's level lay more stably, is difficult for empting.

The utility model is further provided with that the cross sections of the supporting seat and the base are both set to be triangular.

By adopting the technical scheme, the cross sections of the supporting seat and the base are all set to be triangular, so that the leveling instrument body and the supporting frame can be positioned and installed conveniently.

The utility model discloses it is further provided that damping device's quantity is three, three damping device is located the three corner of base respectively.

Adopt above-mentioned technical scheme, install damping device respectively in triangle-shaped's three corner, can keep the level of supporting seat, avoid taking place because of the inconsistent condition that leads to repeated debugging operation of level.

The utility model is further provided with an elastic clamping block welded at the bottom end of the base; the top end of the supporting frame is provided with a movable block clamped between the elastic clamping blocks; the elastic clamping blocks are connected with the movable blocks through bolts.

By adopting the technical scheme, when the support frame is required to be opened, the nut on the bolt is loosened, and the support frame can swing outwards, so that the inclination degree of the support frame is adjusted, the support frame is loosened or fixed through the adjustment of the bolt and the nut, and the operation is simple and rapid.

To sum up, the utility model discloses following beneficial effect has:

1. by arranging the balance plate, the contact area between the balance plate and the ground can be increased, the support of the level can adapt to various grounds, such as soft soil, steel plates and the like, the stability of the level on the support is enhanced, the error of measurement of the level is reduced, and the height of the balance plate can be adjusted by the arranged adjusting piece, so that the application range of the balance plate is further increased;

2. the damping device who sets up can utilize the elastic force and the cushioning nature of self, plays certain buffering cushioning effect to the surveyor's level to can avoid causing the surveyor's level to damage because of great vibration and lead to measuring the unsafe condition emergence.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

Reference numerals: 1. a level body; 2. a supporting seat; 3. a base; 31. an elastic clamping block; 4. a support frame; 41. a movable block; 5. a balance plate; 6. an adjustment member; 61. adjusting the bolt; 62. a threaded hole; 7. supporting legs; 81. a fixing plate; 82. a hollow cylinder; 83. a damping spring; 84. pressing a plate; 85. a solid cylinder.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In this embodiment:

the utility model provides a stable form spirit level for engineering survey, refer to fig. 1 and fig. 2, including spirit level body 1, install on spirit level body 1's the bottom and bear the weight of personally submitting triangle-shaped's supporting seat 2, the below of supporting seat 2 is installed equally and is born the weight of and personally submit triangle-shaped's base 3, supporting seat 2 and base 3's size phase-match, still install the damping device who acts as the buffer zone between supporting seat 2 and base 3, damping device passes through the bolt fastening on 3 tops of base, support frame 4 is installed to the below of base 3, movable sleeve is equipped with balance plate 5 on support frame 4's bottom, balance plate 5 is frame construction, can follow 4 axis direction of support frame and slide, still install regulating part 6 on one side of 4 perpendicular bisector directions of support frame at balance plate 5 simultaneously, can be used to carry out height adjustment and fixed to.

In the present embodiment, the adjusting member 6 includes an adjusting bolt 61 and a threaded hole 62, and the bottom end of the adjusting bolt 61 is pressed against the outer surface of the supporting frame 4 through the threaded hole 62, thereby locking the balance plate 5.

In the embodiment, the number of the damping devices is three, the damping devices are respectively positioned at three corners of the base 3, the horizontal stability of the supporting seat 2 above the damping devices is ensured on the basis of full damping, the damping devices sequentially comprise a fixing plate 81, a hollow cylinder 82, a damping spring 83, a pressing plate 84 and a solid cylinder 85 from bottom to top, and the fixing plate 81 is circular and is fixed at the top end of the base 3 by bolts, so that the disassembly is convenient; the hollow column 82 is circular and is welded on the top end of the fixed plate 81; the damping spring 83 is arranged in the inner cavity of the hollow cylinder 82, one end of the damping spring is connected with the fixed plate 81, and the other end of the damping spring is connected with the bottom end of the pressing plate 84; the pressing plate 84 is also installed in the inner cavity of the hollow cylinder 82 and is connected with the hollow cylinder 82 in a sliding mode, the solid cylinder 85 is a circular cylinder, the bottom end of the solid cylinder is welded with the pressing plate 84, and the top end of the solid cylinder is welded with the bottom of the supporting seat 2, so that the fixing stability of the solid cylinder 85 can be improved.

Referring to fig. 1, support frame 4 is the support frame 4 of tripod, and the pole of support frame 4 is the telescopic link, and this telescopic link comprises two sleeve pipes, sliding connection between two sleeve pipes, installs the locking piece that is used for locking both on the sleeve pipe, and in this embodiment, this locking piece is the bolt, can make its bottom support the sheathed tube outside surface in the telescopic link through adjusting bolt to the realization is to the regulation and the locking of telescopic link.

Meanwhile, the supporting legs 7 are arranged at the bottom of the supporting frame 4, the supporting legs 7 are conical plugs, threads are arranged on the outer surface of each conical plug, the supporting legs 7 can be conveniently inserted into the middle of soft ground or can be kept stable on hard ground, and the supporting legs are not prone to toppling.

Referring to fig. 1, the bottom end of the base 3 is welded with the elastic clamping blocks 31, the top end of the supporting frame 4 is provided with the movable blocks 41 clamped between the elastic clamping blocks 31, the movable blocks 41 and the supporting frame 4 are of an integrated structure,

the elastic clamping blocks 31 and the movable blocks 41 are connected through bolts, and the inclination angle of the support frame 4 can be set by adjusting the tightness of the bolts.

The implementation principle of the embodiment is as follows: install level body 1 on the supporting seat 2, support frame 4 is installed to 3 below bases, installs between supporting seat 2 and the base 3 and acts as the regional damping device of buffering, and this damping device can cushion the vibrations that receive level body 1 and weaken to keep level body 1's stability. Simultaneously, the bottom of the support frame 4 is movably sleeved with the frame-shaped balance plate 5, when the support frame 4 needs to be installed on the ground, the balance plate 5 can be adjusted to be in contact with the ground, the contact area between the support frame 4 and the ground is increased, the installation stability of the support frame 4 can be improved, and the accuracy of the level measurement is ensured.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment as required without contribution after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A stable level for engineering measurement comprises a level body (1) and is characterized in that a supporting seat (2) for supporting the level body (1) is installed at the bottom end of the level body (1); a base (3) is arranged below the bottom end of the supporting seat (2); a damping device is arranged between the supporting seat (2) and the base (3); a support frame (4) is arranged at the bottom end of the base (3); a balance plate (5) is movably sleeved on the bottom of the support frame (4); the bottom of the support frame (4) is provided with an adjusting piece (6) for adjusting the height of the balance plate (5).

2. A stabilized level for engineering measurements according to claim 1, characterized in that said shock absorbing means comprises: a fixing plate (81) mounted on the top end of the base (3); a circular hollow cylinder (82) disposed on the fixing plate (81); and a damper spring (83) disposed within the hollow cylinder (82); a pressure plate (84) arranged at one end of the damping spring (83) far away from the fixing plate (81); one end of the solid cylinder (85) is connected with the top end of the pressing plate (84), and the other end of the solid cylinder is fixed with the supporting seat (2).

3. A stable level for engineering measurements according to claim 1, characterized in that said support (4) is a telescopic rod consisting of two sleeves, which are slidably connected to each other, said sleeves being equipped with locking elements for locking them.

4. The stable level for engineering measurement as claimed in claim 1, wherein the adjusting member (6) is an adjusting bolt (61) inserted into the bottom of the supporting frame (4), the bottom end of the adjusting bolt (61) is pressed against the outer surface of the supporting frame (4), the adjusting bolt (61) is fixed to the balance plate (5), and the side surface of the balance plate (5) is provided with a threaded hole (62) along the perpendicular bisector direction of the supporting frame (4) for the adjusting bolt to pass through.

5. A stabilized level for engineering measurements according to claim 1, characterized in that the bottom of the support frame (4) is provided with support feet (7), the support feet (7) are conical plugs and the outer surface is provided with screw threads.

6. A stabilized level for engineering measurements according to claim 1, characterised in that the cross-section of the support (2) and the base (3) are arranged as triangles.

7. A stabilized level for engineering measurements according to claim 2, characterized in that the number of said shock-absorbing means is three, three being located at three corners of the base (3), respectively.

8. A stabilized level for engineering measurements according to claim 1, characterized in that the bottom end of said base (3) is welded with an elastic clamping block (31); the top end of the support frame (4) is provided with a movable block (41) clamped between the elastic clamping blocks (31); the elastic clamping block (31) is connected with the movable block (41) through a bolt.