CN116123414B - Survey and drawing level instrument convenient to adjust - Google Patents

Survey and drawing level instrument convenient to adjust Download PDF

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Publication number
CN116123414B
CN116123414B CN202310417109.4A CN202310417109A CN116123414B CN 116123414 B CN116123414 B CN 116123414B CN 202310417109 A CN202310417109 A CN 202310417109A CN 116123414 B CN116123414 B CN 116123414B
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Prior art keywords
groove
ball
sliding
level
grooves
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CN202310417109.4A
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CN116123414A (en
Inventor
李琳
魏海霞
侯贺义
刘克彬
刁鹏飞
孔德成
李兰兰
袁帅
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Teng Zhoushicehuiyuan
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Teng Zhoushicehuiyuan
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Publication of CN116123414A publication Critical patent/CN116123414A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • F16M11/14—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/30—Assessment of water resources

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention relates to the technical field of leveling instruments, in particular to a mapping leveling instrument convenient to adjust, which comprises a support and a leveling instrument body, wherein a tetrapod is fixedly arranged on the lower surface of the support, and a base is fixedly arranged on the lower surface of the leveling instrument body.

Description

Survey and drawing level instrument convenient to adjust
Technical Field
The invention relates to the technical field of leveling instruments, in particular to a mapping leveling instrument convenient to adjust.
Background
The level gauge is an instrument for establishing horizontal vision to measure the height difference between two points of the ground, and the main components of the level gauge comprise a telescope, a tube level gauge (or a compensator), a vertical shaft, a base and a foot screw, and the level gauge is divided into a precise level gauge and a common level gauge according to precision. In highway engineering reconnaissance work, often need use the spirit level, be equipped with the base on the spirit level, however, general spirit level base does not set up regulation structure, be inconvenient for the staff to adjust the inclination and the orientation of spirit level when measuring, on the one hand, the spirit level is the instrument of survey ground two-point difference in height, during the use, need place equipment level, the topography of relying on the measurement place relatively, therefore just can not accurate measurement in some potholes and hillside, have certain restriction to the use of instrument, on the other hand, the staff need carry out horizontal rotation after lifting up the spirit level and the tetrapod that is connected with it when the orientation of needs to adjust the orientation of spirit level, and the great staff of weight of spirit level is with its lifting up needs expending a large amount of physical power, staff's amount of labour has been greatly increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a surveying and mapping level which is convenient to adjust, and solves the problems that a base in the level in the prior art is not provided with an adjusting structure, so that a worker cannot conveniently adjust the dip angle and the orientation of the level during measurement, the existing level cannot accurately measure in some pits and sloping fields and needs to be lifted for rotation when changing the orientation of the level, and the labor capacity of the worker is increased.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a survey and drawing level convenient to adjust, includes support and level body, support lower surface fixed mounting has the tripod, level body lower surface fixed mounting has the base;
the support upper surface is provided with first coupling assembling, the base lower surface is provided with second coupling assembling, the base is connected through first coupling assembling, second coupling assembling with the support.
Preferably, the first connecting component comprises a spherical groove, the spherical groove is provided with a middle part of the upper surface of the support, the upper surface of the support is provided with a rectangular groove, and the inside of the rectangular groove is communicated with the spherical groove;
a moving groove is arranged at the bottom in the rectangular groove, two moving blocks are arranged in the moving groove in a sliding way, clamping plates are fixedly arranged on the upper surfaces of the two moving blocks, the surfaces of one side opposite to the clamping plates are cambered surfaces,
a bidirectional threaded rod is rotatably arranged between two sides of the inner wall of the movable groove, two movable blocks are respectively arranged on two sides of a rod body of the bidirectional threaded rod in a threaded manner, and one end of the bidirectional threaded rod penetrates through the support and is fixedly provided with a rotating wheel;
a plurality of first ball grooves are formed in the ball grooves, and first rotating balls are rotatably arranged in each first ball groove.
Preferably, the second connecting assembly comprises two support columns, wherein the two support columns are fixedly arranged on two sides of the lower surface of the base, the lower ends of the two support columns are fixedly provided with rotating balls together, and the rotating balls are rotatably arranged in the ball grooves.
Preferably, the surfaces of the two clamping plates far away from each other are provided with supporting grooves in a penetrating way, both sides of the inner wall of the two supporting grooves are provided with sliding grooves, each sliding groove is internally provided with a sliding block in a sliding way, a supporting block is fixedly arranged between two adjacent sliding blocks, and the opposite sides of the two supporting blocks are fixedly provided with inserting blocks;
a sliding rod is fixedly arranged between two sides of the inner wall of each sliding groove, each sliding block is arranged on one side of a corresponding sliding rod body in a sliding manner, and a first spring is sleeved on the other side of each sliding rod body;
the surface of the rotating ball is provided with an annular slot.
Preferably, a plurality of second ball grooves are formed in the surfaces of the opposite sides of the two insertion blocks, and a plurality of second rotating balls are rotatably mounted in each second ball groove.
Preferably, two through grooves are formed in the upper surfaces of the two clamping plates, the lower ends of the two through grooves are respectively communicated with corresponding sliding grooves, pushing plates are slidably arranged in the two through grooves, and the lower surfaces of the two pushing plates are respectively fixedly connected with corresponding sliding blocks;
the upper surface of the support is fixedly provided with spacer blocks at the positions of the two through grooves, and clamping plates are rotatably arranged on the surfaces of one opposite sides of the spacer blocks through pin shafts.
Preferably, a spherical cavity is formed in the rotating ball, and a counterweight ball is fixedly arranged in the spherical cavity.
Preferably, a circular plate is fixedly arranged on one side of the base, a circular hole is formed in the upper surface of the circular plate, and a glass sheet is fixedly arranged in the circular hole;
the inner bottom surface of the round hole is provided with a connecting hole in a penetrating way, the connecting hole is internally provided with a connecting column, the upper end surface of the connecting column is provided with a first arc-shaped groove, and the inner bottom of the round hole is provided with a steel ball at the position of the first arc-shaped groove;
the inner bottom surface of the round hole and the upper end surface of the connecting column are arc-shaped.
Preferably, the connecting column is arranged in the connecting hole in a sliding way;
two positioning rods are fixedly arranged on two sides of the lower surface of the circular plate, positioning plates are arranged on the two positioning rod bodies in a sliding mode, and the connecting columns are arranged on the upper surface of the positioning plates;
the two locating rods are fixedly installed with limiting plates at the lower ends, the two locating rods are sleeved with second springs, and the two second springs are arranged between the locating plates and the limiting plates.
Preferably, the upper surface of the positioning plate is provided with a threaded hole in a penetrating way, the threaded hole is internally provided with a bolt in a threaded way, and the upper end of the bolt passes through the threaded hole and is fixedly connected with the connecting column;
the upper surface of the limiting plate is provided with an avoidance hole in a penetrating way;
the lower surface of the glass sheet is provided with a second arc-shaped groove.
Compared with the prior art, the invention has the following beneficial effects:
1. the staff is through rotating the runner, the arcwall face and the ball of rotating of two splint break away from the contact for the ball of rotating can multi-direction rotation in spherical inslot, and the staff can adjust the inclination and the orientation of the level body on the base according to the demand, and after adjusting the level body to suitable direction, the staff counter-rotating runner, two splint relative movement and firmly press from both sides the ball of rotating tightly, make it unable rotation, thereby inject the position of level body, make things convenient for the staff to observe, on the one hand, the level body also can carry out accurate measurement to the distance of surrounding environment in some potholes and hillside, on the other hand, saved a large amount of physical power of staff, reduced the amount of labour of staff.
2. After the ranging work is finished, the staff is close to the rotating wheel through the reverse rotating wheel, the two clamping plates are made to be close to the rotating ball, the inserting block is made to be attached to the surface of the rotating ball, the inserting block moves along the direction of the sliding groove after being pushed by the surface of the rotating ball, the first spring is stressed and compressed, then the staff stops rotating the rotating wheel and rotates the rotating ball, the annular slot arranged on the surface of the rotating ball is enabled to follow the rotating ball to rotate, when the annular slot rotates to the inserting block, the first spring resets and drives the inserting block to reversely move along the direction of the sliding groove, the inserting block is enabled to be inserted into the annular slot, accordingly, the level body above the rotating ball is enabled to quickly move to the horizontal position, the staff can conveniently and quickly adjust the level body to the horizontal position, accuracy of the level body is greatly improved, accordingly, the staff can reset the level body is enabled to be guaranteed to rotate horizontally when the rotating ball is required to rotate by the staff, and the direction of the level body is required to be adjusted, deflection on the angle cannot occur, and practicability is further improved.
3. Through setting up the counter weight ball for splint are breaking away from the contact with the ball, under the weight effect of counter weight ball and first ball and second ball and ball surface roll effect, after splint and ball break away from the contact, the ball can drive the annular slot on level body surface automatically and rotate to the inserted block position, do not need the staff manual to rotate the ball, thereby has further reduced staff's amount of labour.
4. After the inclination of the level body is adjusted by the staff, so that the level body is flush with the horizontal line, the staff observes the steel balls, and at the moment, whether the steel balls are located in the first arc-shaped groove or not is observed, if the steel balls are not located in the first arc-shaped groove and are located at the arc-shaped surface position of the connecting column or the round hole, the leveling body is located out of the horizontal error range, and the staff is required to readjust, so that the staff is convenient to judge whether the horizontal error of the level body meets the ranging requirement or not, and then the ranging precision of the staff is improved.
Drawings
FIG. 1 is a schematic view of the overall construction of a mapping level of the present invention for ease of adjustment;
FIG. 2 is a schematic top view of a mapping level of the present invention for ease of adjustment;
FIG. 3 is a schematic illustration of the cross-sectional configuration of the level of FIG. 2 at A-A for easy adjustment in accordance with the present invention;
FIG. 4 is a schematic view of the cross-sectional structure of the level of FIG. 2 at B-B for easy adjustment in accordance with the present invention;
FIG. 5 is a schematic diagram of a mapping level with easy adjustment according to the present invention
FIG. 6 is a schematic view of the cross-sectional structure of the level of FIG. 5 at C-C for easy adjustment in accordance with the present invention;
FIG. 7 is an enlarged schematic view of the surveying and mapping level of FIG. 3 with an easy adjustment according to the present invention;
FIG. 8 is an enlarged schematic view of the surveying and mapping level of FIG. 3 with an easy adjustment according to the present invention;
FIG. 9 is an enlarged schematic view of the mapping level of FIG. 3 at C for easy adjustment in accordance with the present invention;
FIG. 10 is an enlarged schematic view of the structure of the level of FIG. 3 at D for easy adjustment in accordance with the present invention;
FIG. 11 is an enlarged schematic illustration of the configuration of the level of FIG. 4 at E for easy adjustment in accordance with the present invention;
fig. 12 is an enlarged schematic view of the surveying and mapping level of fig. 6 with an easy adjustment of the present invention.
In the figure: 1. a support; 2. a level body; 3. a tetrapod; 4. a base; 5. a first connection assembly; 501. a spherical groove; 502. rectangular grooves; 503. a moving groove; 504. a moving block; 505. a clamping plate; 5051. a support groove; 5052. a chute; 5053. a slide block; 5054. a support block; 5055. inserting blocks; 5056. a slide bar; 5057. a first spring; 5058. a second ball groove; 5059. a second rotating ball; 506. a two-way threaded rod; 507. a rotating wheel; 508. a first ball groove; 509. a first rotating ball; 6. a second connection assembly; 601. a support column; 602. a rotating ball; 6021. an annular slot; 7. a through groove; 701. a push plate; 8. a spacer block; 801. a pin shaft; 802. a clamping plate; 9. a spherical cavity; 901. a weight ball; 10. a circular plate; 1001. a round hole; 1002. a glass sheet; 1003. a connection hole; 1004. a connecting column; 1005. a first arc-shaped groove; 1006. steel balls; 11. a positioning rod; 1101. a positioning plate; 1102. a limiting plate; 1103. a bolt; 1104. avoidance holes; 1105. a second arc-shaped groove; 1106. and a second spring.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-12, the mapping level convenient to adjust comprises a support 1 and a level body 2, wherein a tetrapod 3 is fixedly arranged on the lower surface of the support 1, and a base 4 is fixedly arranged on the lower surface of the level body 2;
the upper surface of the support 1 is provided with a first connecting component 5, the lower surface of the base 4 is provided with a second connecting component 6, and the base 4 is connected with the support 1 through the first connecting component 5 and the second connecting component 6.
Through above-mentioned technical scheme, the staff is through using the tripod 3, make it support the spirit level body 2 in the working position, the staff is through using the distance of spirit level body 2 to the surrounding environment to measure afterwards, when need adjust the inclination and the orientation of spirit level body 2, the staff is through using first coupling assembling 5 and second coupling assembling 6, under the cooperation of first coupling assembling 5 and second coupling assembling 6, the staff can carry out quick adjustment to the inclination and the orientation of spirit level body according to the demand, on the one hand, the spirit level body 2 also can carry out accurate measurement to the distance of surrounding environment in some potholes and hillside, the practicality is higher, on the other hand, the staff does not need to carry out horizontal rotation after lifting the tripod 3 that the spirit level body 2 and is connected with it when need adjust the orientation of spirit level body 2, a large amount of physical power of staff has been saved, staff's momentum has been reduced.
As shown in fig. 1, 3, 4, 7 and 11, in this embodiment, the first connecting component 5 includes a spherical groove 501, the spherical groove 501 is provided with a middle part of an upper surface of the support 1, the upper surface of the support 1 is provided with a rectangular groove 502, and the interior of the rectangular groove 502 is communicated with the spherical groove 501;
a movable groove 503 is arranged at the inner bottom of the rectangular groove 502, two movable blocks 504 are arranged in the movable groove 503 in a sliding way, clamping plates 505 are fixedly arranged on the upper surfaces of the two movable blocks 504, the surfaces of one opposite side of the two clamping plates 505 are cambered surfaces,
a bidirectional threaded rod 506 is rotatably arranged between two sides of the inner wall of the movable groove 503, two movable blocks 504 are respectively arranged on two sides of the rod body of the bidirectional threaded rod 506 in a threaded manner, one end of the bidirectional threaded rod 506 penetrates through the support 1 and is fixedly provided with a rotating wheel 507;
a plurality of first ball grooves 508 are formed in the ball groove 501, and a first rotary ball 509 is rotatably arranged in each first ball groove 508;
the second connecting assembly 6 comprises two support columns 601, wherein the two support columns 601 are fixedly arranged on two sides of the lower surface of the base 4, a rotating ball 602 is fixedly arranged at the lower ends of the two support columns 601 together, and the rotating ball 602 is rotatably arranged in the ball-shaped groove 501.
When the inclination angle or the orientation of the level body 2 is required to be adjusted by a worker, the worker rotates the rotating wheel 507 to drive the bidirectional threaded rod 506 to rotate, the rotating bidirectional threaded rod 506 drives the two moving blocks 504 to move away from each other along the moving groove 503 in a threaded screwing mode, so that the arc surfaces of the two clamping plates 505 are separated from the rotating ball 602, the rotating ball 602 can rotate in multiple directions in the spherical groove 501, the worker can adjust the inclination angle and the orientation of the level body 2 on the base 4 according to the requirement, after the level body 2 is adjusted to a proper direction, the worker reversely rotates the rotating wheel 507 to drive the bidirectional threaded rod 506 to reversely rotate, the two clamping plates 505 relatively move and firmly clamp the rotating ball 602, the rotating plates cannot rotate, the position of the level body 2 is limited, and the worker can observe conveniently.
As shown in fig. 1, 7 and 8, it should be noted that the surfaces of the two clamping plates 505 far away from each other are provided with supporting grooves 5051 in a penetrating manner, both sides of the inner wall of the two supporting grooves 5051 are provided with sliding grooves 5052, each sliding groove 5052 is internally provided with a sliding block 5053 in a sliding manner, a supporting block 5054 is fixedly arranged between two adjacent sliding blocks 5053, and an inserting block 5055 is fixedly arranged on the opposite side of the two supporting blocks 5054;
a sliding rod 5056 is fixedly arranged between two sides of the inner wall of each sliding groove 5052, each sliding rod 5053 is respectively arranged on one side of a corresponding sliding rod 5056 in a sliding manner, and a first spring 5057 is sleeved on the other side of the corresponding sliding rod 5056;
the surface of the rotating ball 602 is provided with an annular slot 6021.
After the ranging work is finished, the staff is close to the rotating wheel 507 through the reverse rotation, the two clamping plates 505 and the rotating ball 602 are enabled to be attached to the surface of the rotating ball 602, the inserting block 5055 moves along the sliding groove 5052 direction after being subjected to the thrust of the surface of the rotating ball 602, the first spring 5057 is stressed and compressed, then the staff stops rotating the rotating wheel 507 and rotates the rotating ball 602, the annular slot 6021 arranged on the surface of the rotating ball 602 is enabled to rotate along the rotating ball 602, when the annular slot 6021 rotates to the position of the inserting block 5055, the first spring 5057 resets and drives the inserting block 5055 to reversely move along the sliding groove 5052 direction, the inserting block 5055 is enabled to be inserted into the annular slot 6021, accordingly, the leveling instrument body 2 above the rotating ball 602 can be quickly moved to the horizontal position, the leveling instrument body 2 is conveniently and rapidly adjusted to the horizontal position, the precision when the leveling instrument body 2 is changed into the horizontal state again, the leveling instrument body 2 is conveniently reset, and the staff can guarantee the rotation of the rotating ball 602 when the direction of the leveling instrument body 2 needs to be adjusted, and the practical applicability can not be further increased. After the level body 2 moves to the horizontal position, the staff further reversely rotates the rotating wheel 507, so that the clamping plate 505 clamps the rotating ball 602, and the staff can conveniently carry and transport the level body 2.
As shown in fig. 4 and 8, in a specific arrangement, a plurality of second ball grooves 5058 are formed on opposite side surfaces of the two insert blocks 5055, and a plurality of second rolling balls 5059 are rotatably mounted in each second ball groove 5058.
Through setting up second ball groove 5058 and second rolling ball 5059 for after the contact of insert 5055 surface and rolling ball 602 surface or annular slot 6021 inner wall surface, when the staff rotated rolling ball 602, the friction that produces between insert 5055 and the rolling ball 602 became rolling friction, has significantly reduced the wearing and tearing that insert 5055 and rolling ball 602 received, has prolonged the life of insert 5055 and rolling ball 602.
As shown in fig. 7, 8 and 9, it can be understood that in the present application, two through grooves 7 are formed on the upper surfaces of two clamping plates 505, the lower ends of the two through grooves 7 are respectively communicated with corresponding sliding grooves 5052, push plates 701 are slidably disposed in the two through grooves 7, and the lower surfaces of the two push plates 701 are respectively fixedly connected with corresponding sliding blocks 5053;
the upper surface of the support 1 and the positions of the two through grooves 7 are fixedly provided with spacer blocks 8, and clamping plates 802 are rotatably arranged on the surfaces of the opposite sides of the two spacer blocks 8 through pin shafts 801.
When the staff needs to rotate the rotary ball 602 in multiple directions, the staff pushes the push plate 701 to move along the through groove 7, when the staff moves to the rear of the corresponding clamping plate 802, the staff pushes the push plate 701 tightly by rotating the clamping plate 802 under the cooperation with the first spring 5057, the push plate 701 is prevented from being reset, the step that the inserting block 5055 is separated from and inserted into the annular slot 6021 can be independently carried out by the staff, extra manpower is not needed, and manpower resources are saved.
As shown in fig. 1, 3, 7 and 8, when the ball is specifically set, a spherical cavity 9 is formed in the rotating ball 602, and a weight ball 901 is fixedly mounted in the spherical cavity 9.
Through setting up counter weight ball 901 for splint 505 is after breaking away from the contact with ball 602, under the weight effect of counter weight ball 901 and first ball 509 and second ball 5059 and ball 602 surface roll effect, after splint 505 breaks away from the contact with ball 602, ball 602 can drive the annular slot 6021 on level body 2 surface automatically and rotate to the inserted block 5055 position, does not need the staff to rotate ball 602 manually, has further reduced staff's amount of labour.
Under the weight effect of counter weight ball 901, rotate ball 602 and drive the spirit level body 2 and rotate, when annular slot 6021 rotates to the inserted block 5055 position, under the elasticity effect of first spring 5057, the inserted block 5055 inserts in annular slot 6021 rapidly, avoids counter weight ball 901 to drive when rotating ball 602 rotates because of inertial action and leads to the removal range too big, causes spirit level body 2 to collide with the condition emergence of support 1.
As shown in fig. 1, 10 and 12, when the device is specifically installed, a circular plate 10 is fixedly installed on one side of the base 4, a circular hole 1001 is formed in the upper surface of the circular plate 10, and a glass sheet 1002 is fixedly installed in the circular hole 1001;
a connecting hole 1003 is formed in the inner bottom surface of the round hole 1001 in a penetrating manner, a connecting column 1004 is arranged in the connecting hole 1003, a first arc-shaped groove 1005 is formed in the upper end surface of the connecting column 1004, and a steel ball 1006 is placed at the position, located at the first arc-shaped groove 1005, of the inner bottom of the round hole 1001;
the inner bottom surface of the round hole 1001 and the upper end surface of the connecting column 1004 are both arc-shaped.
After the inclination of the level body 2 is adjusted by staff, so that the level body 2 is flush with a horizontal line, the staff observes the steel balls 1006, at this time, whether the steel balls 1006 are located in the first arc-shaped groove 1005 is observed, if the steel balls are not located in the first arc-shaped groove 1005 and are located at the arc-shaped surface position of the connecting column 1004 or the round hole 1001, the level body 2 is located out of the horizontal error range, and readjustment by the staff is required, so that the staff can conveniently judge whether the horizontal error of the level body 2 meets the ranging requirement, and the ranging precision of the staff is improved.
As shown in fig. 10 and 12, in the specific arrangement, the connection post 1004 is slidably arranged in the connection hole 1003;
two positioning rods 11 are fixedly arranged on two sides of the lower surface of the circular plate 10, positioning plates 1101 are arranged on the rod bodies of the two positioning rods 11 in a sliding mode, and connecting columns 1004 are arranged on the upper surface of the positioning plates 1101;
the limiting plate 1102 is fixedly installed at the lower ends of the two positioning rods 11, the second springs 1106 are sleeved on the rod bodies of the two positioning rods 11, and the two second springs 1106 are arranged between the positioning plate 1101 and the limiting plate 1102. The second spring 1106 is initially in a compressed state.
Under long-time trial of steel balls 1006, the surface is more worn and torn, the accuracy of detecting horizontal errors cannot be guaranteed, at this moment, a worker pulls down the positioning plate 1101 to drive the positioning plate 1101 to move along the positioning rod 11, the connecting column 1004 drives the steel balls 1006 to move to the outside of the round hole 1001, and the quick replacement of the steel balls 1006 is facilitated for the worker in time, and the accuracy of detecting horizontal errors is guaranteed. After placing the new steel balls 1006 in the first arc-shaped groove 1005, the worker moves the positioning plate 1101 in the opposite direction, and the connection post 1004 is stably disposed in the connection hole 1003 in the compressed state of the second spring 1106.
As shown in fig. 10 and 12, in the specific arrangement, a threaded hole is formed in the upper surface of the positioning plate 1101, a bolt 1103 is arranged in the threaded hole in a threaded manner, and the upper end of the bolt 1103 passes through the threaded hole and is fixedly connected with the connecting post 1004;
the upper surface of the limiting plate 1102 is provided with an avoidance hole 1104 in a penetrating way;
a second arcuate slot 1105 is formed in the lower surface of the glass sheet 1002.
When the leveling instrument body 2 needs to be transported, a worker rotates the bolt 1103, so that the connecting column 1004 moves upwards, the steel balls 1006 are limited between the first arc-shaped groove 1005 and the second arc-shaped groove 1105, and the situation that the steel balls 1006 collide with the glass sheet 1002 to crack the glass sheet 1002 or the surface of the steel balls 1006 is worn during transportation is avoided.
This surveying and mapping level's theory of operation convenient to adjust:
during the use at first, the staff is through using tetrapod 3, make it support level body 2 in the working position, afterwards, the staff is through using level body 2 to the distance of surrounding environment measurement, the staff is when need adjust the inclination or the orientation of level body 2, the staff rotates runner 507, make it drive two threaded rod 506 rotation, pivoted two threaded rod 506 drives two movable blocks 504 and keep away from each other along movable groove 503 through the mode of screw precession, thereby make the arcwall face and the dwin 602 of two splint 505 break away from the contact, make the dwin 602 can be in spherical groove 501 rotation, and then make things convenient for the staff to adjust the inclination and the orientation of level body 2 on base 4 according to the demand, after adjusting level body 2 to suitable direction, the staff counter-rotating runner 507, make it drive two threaded rod counter-rotating, make two splint relative movement and firmly press from both sides the dwin 602, thereby the position of level body 2 is limited, make things convenient for the staff to observe, some level body 2 can also carry out the foot rest with the high-level body 2 and the well-down distance is adjusted to the level body 2 when the level body 2 is adjusted to the suitable direction, on the other hand, the level body is not needed to be adjusted to the level body is high, the level body is adjusted to the level 2 has been reached at the level 2, on the other hand, the manual staff has been more accurate has been adjusted to the level body is required to the level 2, the level is adjusted to the level has been adjusted to the level 2.
The foregoing examples of the present invention are merely illustrative of the present invention and are not intended to limit the embodiments of the present invention, and other variations or modifications of various forms may be made by those skilled in the art based on the foregoing description, and it is not intended to be exhaustive of all embodiments, and all obvious variations or modifications that come within the scope of the invention are defined by the following claims.

Claims (6)

1. Survey and drawing level convenient to adjust, including support (1) and level body (2), its characterized in that: the lower surface of the support (1) is fixedly provided with a tetrapod (3), and the lower surface of the level body (2) is fixedly provided with a base (4);
the upper surface of the support (1) is provided with a first connecting component (5), the lower surface of the base (4) is provided with a second connecting component (6), and the base (4) is connected with the support (1) through the first connecting component (5) and the second connecting component (6);
the first connecting component (5) comprises a spherical groove (501), the spherical groove (501) is provided with the middle part of the upper surface of the support (1), the upper surface of the support (1) is provided with a rectangular groove (502), and the inside of the rectangular groove (502) is communicated with the spherical groove (501);
a movable groove (503) is formed in the inner bottom of the rectangular groove (502), two movable blocks (504) are arranged in the movable groove (503) in a sliding mode, clamping plates (505) are fixedly arranged on the upper surfaces of the two movable blocks (504), and the surfaces of one opposite sides of the two clamping plates (505) are cambered surfaces;
a bidirectional threaded rod (506) is rotatably arranged between two sides of the inner wall of the movable groove (503), two movable blocks (504) are respectively arranged on two sides of the rod body of the bidirectional threaded rod (506) in a threaded manner, and one end of the bidirectional threaded rod (506) penetrates through the support (1) and is fixedly provided with a rotating wheel (507);
a plurality of first ball grooves (508) are formed in the spherical grooves (501), and first rotating balls (509) are rotatably arranged in each first ball groove (508);
the second connecting assembly (6) comprises two supporting columns (601), the two supporting columns (601) are fixedly arranged on two sides of the lower surface of the base (4), the lower ends of the two supporting columns (601) are fixedly provided with rotating balls (602) together, and the rotating balls (602) are rotatably arranged in the ball grooves (501);
the surfaces of the two clamping plates (505) on one side far away from each other are respectively provided with a supporting groove (5051) in a penetrating way, the two sides of the inner wall of each supporting groove (5051) are respectively provided with a sliding groove (5052), each sliding groove (5052) is internally provided with a sliding block (5053) in a sliding way, a supporting block (5054) is fixedly arranged between the two adjacent sliding blocks (5053), and the opposite sides of the two supporting blocks (5054) are respectively fixedly provided with an inserting block (5055);
a sliding rod (5056) is fixedly arranged between two sides of the inner wall of each sliding groove (5052), each sliding rod (5053) is arranged on one side of a corresponding sliding rod (5056) in a sliding mode, and a first spring (5057) is sleeved on the other side of the corresponding sliding rod (5056);
an annular slot (6021) is formed in the surface of the rotating ball (602);
two through grooves (7) are formed in the upper surfaces of the two clamping plates (505), the lower ends of the two through grooves (7) are respectively communicated with corresponding sliding grooves (5052), pushing plates (701) are slidably arranged in the two through grooves (7), and the lower surfaces of the two pushing plates (701) are respectively fixedly connected with corresponding sliding blocks (5053);
the upper surface of the support (1) is fixedly provided with spacer blocks (8) at the positions of the two through grooves (7), and clamping plates (802) are rotatably arranged on the surfaces of one opposite sides of the two spacer blocks (8) through pin shafts (801);
the insert block (5055) is in penetrating fit with the annular slot (6021) under the elastic force of the first spring (5057);
when the clamping plate (802) is used for tightly pushing the pushing plate (701), the insert blocks (5055) move to the outside of the annular slot (6021).
2. A mapping level for easy adjustment as defined in claim 1, wherein: a plurality of second ball grooves (5058) are formed in the surface of one side, opposite to the insert blocks (5055), of each insert block, and a plurality of second rotating balls (5059) are rotatably arranged in each second ball groove (5058).
3. A mapping level for easy adjustment as defined in claim 1, wherein: a spherical cavity (9) is formed in the rotating ball (602), and a counterweight ball (901) is fixedly arranged in the spherical cavity (9).
4. A mapping level for easy adjustment as defined in claim 1, wherein: a circular plate (10) is fixedly arranged on one side of the base (4), a circular hole (1001) is formed in the upper surface of the circular plate (10), and a glass sheet (1002) is fixedly arranged in the circular hole (1001);
a connecting hole (1003) is formed in the inner bottom surface of the round hole (1001) in a penetrating manner, a connecting column (1004) is arranged in the connecting hole (1003), a first arc-shaped groove (1005) is formed in the upper end surface of the connecting column (1004), and a steel ball (1006) is placed at the position, located in the first arc-shaped groove (1005), in the inner bottom of the round hole (1001);
the inner bottom surface of the round hole (1001) and the upper end surface of the connecting column (1004) are arc-shaped.
5. A mapping level for easy adjustment as defined in claim 4, wherein: the connecting column (1004) is arranged in the connecting hole (1003) in a sliding way;
two positioning rods (11) are fixedly arranged on two sides of the lower surface of the circular plate (10), positioning plates (1101) are arranged on the two rod bodies of the positioning rods (11) in a sliding mode, and the connecting columns (1004) are arranged on the upper surface of the positioning plates (1101);
the lower ends of the two positioning rods (11) are fixedly provided with limiting plates (1102) together, the two positioning rods (11) are sleeved with second springs (1106), and the two second springs (1106) are arranged between the positioning plates (1101) and the limiting plates (1102).
6. A mapping level for easy adjustment as defined in claim 5, wherein: the upper surface of the positioning plate (1101) is provided with a threaded hole in a penetrating way, a bolt (1103) is arranged in the threaded hole in a threaded way, and the upper end of the bolt (1103) passes through the threaded hole and is fixedly connected with the connecting column (1004);
an avoidance hole (1104) is formed in the upper surface of the limiting plate (1102) in a penetrating manner;
the lower surface of the glass sheet (1002) is provided with a second arc-shaped groove (1105).
CN202310417109.4A 2023-04-19 2023-04-19 Survey and drawing level instrument convenient to adjust Active CN116123414B (en)

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CN116499438B (en) * 2023-06-21 2023-09-01 滕州市测绘院 Observation sign for surveying and mapping

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