CN218599227U - Surveying instrument convenient to adjust survey and drawing height - Google Patents

Abstract

The utility model provides a surveying instrument convenient for adjusting surveying and mapping height, which comprises a surveying instrument body, an adjusting component and a supporting component; the adjusting assembly comprises a top plate and a bottom plate which are arranged at intervals, a threaded hole is formed in the bottom plate, an adjusting screw rod in threaded fit with the threaded hole is inserted into the threaded hole, the upper end of the adjusting screw rod is rotatably connected with the bottom of the top plate, a storage box is arranged at the bottom of the bottom plate, a transmission assembly for driving the screw rod to rotate is arranged in the storage box, one end, away from the top plate, of the adjusting screw rod penetrates through the bottom of the storage box, the bottom of the top plate is connected with a plurality of guide rods, and a plurality of guide holes in plug fit with the guide rods are formed in the bottom plate; the surveying instrument body is detachably arranged on the top plate; the supporting component is arranged on the lower side of the bottom plate. The utility model discloses can convenient and fast ground adjust the appearance height of surveying instrument, and stability is better in the accommodation process, and whole life is longer.

Description

Surveying instrument convenient to adjust survey and drawing height

Technical Field

The utility model belongs to the technical field of surveying instrument, particularly, relate to a surveying instrument convenient to adjust mapping height.

Background

A surveying instrument is an instrument and a device for data acquisition, processing, output and the like designed and manufactured for surveying operation, and is an instrument in various aspects of orientation, distance measurement, angle measurement, height measurement, mapping, photogrammetry and the like required by measurement work in planning, designing, construction and operation management stages in engineering construction. The mapper is typically mounted on a mapper carriage for measurement.

Present surveying instrument support all adopts the tripod, begins the survey and drawing after surveying staff's range estimation leveling usually, is the angle that opens and shuts that changes the three leg of tripod after the pin joint through loosening tripod frame leg when the survey and drawing height need be adjusted to screw fixedly after the adjustment and realize, and can relate to the height of adjustment surveying instrument for the convenience of staff's operation, highly there are two basic concepts about surveying instrument among the prior art: the appearance height and the mirror height, the appearance height adjustment wherein is realized through the angle that opens and shuts of the supporting tripod of regulation surveying instrument, the mirror height adjustment is then realized jointly by the mirror height adjustment subassembly of surveying instrument self combining the adjustment of tripod angle that opens and shuts, current surveying instrument self has all contained the level (l) ing usually, mirror height adjustment and rotatory function, but this kind of function is not big by the scope that the instrument restriction of drawing leads to level (l) ing and mirror height adjustment, what surveying instrument itself realized is the fine setting promptly, just need pass through to the condition that the control range is slightly bigger the angle that opens and shuts of adjustment tripod realizes, and adjust the angle that opens and shuts of tripod at every turn after, need releveling again, in order to guarantee through observing the round level bubble leveling on the surveying instrument that surveying instrument observation time measurement is in the horizontality, therefore the surveying instrument support of this kind of tripod form uses comparatively inconveniently.

To address this problem, there are two more common technologies:

one is to set up a screw sleeve at the tripod top, be provided with the screw rod in the screw sleeve, and the screw rod upper end is connected with the mount pad that is used for installing surveying instrument, can realize the high regulation of appearance in order to be suitable for different observation demands with hand rotating mount pad when needs are increaseed.

For example, patent document CN202121378846.0 discloses a mapping instrument positioner for engineering survey and drawing, including the rectangular block, the bottom of rectangular block rotates through the rotational pin and installs three stabilizer blade, and three stabilizer blade array distributes, and is three the stabilizer blade can incline simultaneously, and the degree of inclination is the same, be fixed with horizontal calibration device, every on the adjacent both sides wall of rectangular block respectively horizontal calibration device all includes protractor and lead block, the axis of protractor and the horizontal limit mutually perpendicular of rectangular block, every all tie the haulage rope on the lead block, and when the lead block was in the free sag state, the haulage rope can coincide with the axis of protractor. The square-shaped block is characterized in that a placing disc is arranged above the rectangular block, a first screw rod is fixed at the bottom of the placing disc, a first thread groove is formed in the top of the rectangular block, and the bottom end of the first screw rod is embedded in the first thread groove and can be screwed with the first thread groove. In the above patent, the placing plate is fixedly connected with the first screw, and when the height of the instrument is adjusted, the instrument may rotate correspondingly due to the adjustment operation.

The other type is that an extension rod extends from the bottom of the surveying instrument, a through hole for penetrating the extension rod is formed in the top of the tripod, a corresponding clamping structure is arranged near the through hole, the position of the extension rod relative to the ground needs to be manually heightened during adjustment, and extra energy needs to be spent under the condition that adjustment accuracy needs to be ensured.

For example, the patent document with the application number of CN202021685273.1 discloses a mapping instrument positioning device for engineering surveying and mapping, which comprises a main support, wherein the outer wall of the main support is sleeved with a lantern ring, the outer wall of the lantern ring is provided with a connecting block, one end of the connecting block, which is far away from the lantern ring, is connected with a first foot rest, the inner wall of the first foot rest is sleeved with a second foot rest, the outer wall of one end of the first foot rest, which is far away from the lantern ring, is provided with a fourth locking bolt, the bottom end of the second foot rest is connected with a fixed chassis, the outer wall of the main support, which is close to the top end, is provided with a second locking bolt, the inner wall of the main support is sleeved with a lifting rod, the top end of the lifting rod is connected with a connecting platform, the bottom end of the connecting platform, which is positioned at two sides of the lifting rod, is connected with a connecting rod, the top end of the connecting rod is connected with a connecting seat, and the top end of the connecting hinged seat is connected with a working platform, the workbench is internally provided with a second rotating rod, the outer wall of the second rotating rod is sleeved with a driven gear, the outer wall of the driven gear is connected with a gear knob, the inner wall of the gear knob is sleeved with a first rotating rod, the gear knob penetrates through the outer wall from the workbench to the workbench, one side of the workbench, which is far away from the gear knob, is provided with a first locking bolt, the inner wall of the workbench is sleeved with an installation platform which is connected with the top end of the second rotating rod, the joint of the top end of the workbench and the installation platform is provided with a scale mark, one side outer wall of the workbench is provided with a gradienter, the top end of the installation platform is provided with a clamping groove, the top end of the installation platform, which is positioned at one end of the clamping groove, which is far away from the installation platform, is provided with a pointer, the inner wall of the clamping groove is connected with a sliding block, the top end of the sliding block is provided with a fifth locking bolt, one side of the top end of the installation platform, which is positioned at one side of the sliding block, is provided with two fixed blocks, two fixed blocks and slider distribute with the centre of a circle equidistance of mount table, the fixed block runs through the mount table and has cup jointed the spring to the inside outer wall of mount table. In above-mentioned patent, the main support outer wall is close to top department and is provided with No. two locking bolts, and the main support inner wall has cup jointed the lifter, realizes the regulation of appearance height through extension rod collocation clamping structure promptly. However, the extension rod is subjected to bending stress for a long time, which causes deformation to affect the smoothness of the lifting process.

To sum up, above-mentioned two kinds of simple structure, the regulation mode is clear, because of not involving the landing leg adjustment of tripod, so the efficiency of leveling once more is very high (the accommodation is little) under this kind of circumstances, but it is when adjusting the appearance height, the instrument probably corresponds because of the regulation operation and produces the rotation, there is the risk of dropping or shifting, it is also inconvenient that probably receive the interference of surveying instrument and block when adjusting the appearance height, it is stable to lean on screw rod or extension rod to realize supporting totally simultaneously after heightening, to heavier surveying instrument (like more commonly used total powerstation), especially under the inhomogeneous condition of surveying instrument gravity distribution who places, screw rod or extension rod receive bending stress for a long time and can lead to producing deformation and influence the smooth degree of lift process, this has also led to the life of screw rod shorter.

In summary, we propose a surveying instrument convenient for adjusting the surveying and mapping height to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a surveying instrument convenient to adjust mapping height, its can convenient and fast ground adjust the appearance height of surveying instrument, and stability is better in the accommodation process, and whole life is longer.

In order to achieve the above purpose, the utility model provides a surveying instrument convenient for adjusting the surveying and mapping height, which comprises a surveying instrument body, an adjusting component and a supporting component;

the adjusting assembly comprises a top plate and a bottom plate which are arranged at intervals, a threaded hole is formed in the bottom plate, an adjusting screw rod in threaded fit with the threaded hole is inserted in the threaded hole, the upper end of the adjusting screw rod is rotatably connected with the bottom of the top plate, a storage box is arranged at the bottom of the bottom plate, a transmission assembly for driving the adjusting screw rod to rotate is arranged in the storage box, one end, far away from the top plate, of the adjusting screw rod penetrates through the bottom of the storage box, the bottom of the top plate is fixedly connected with a plurality of guide rods, and a plurality of guide holes in plug fit with the guide rods are formed in the bottom plate; the surveying instrument body is detachably arranged on the top plate; the support assembly is arranged on the lower side of the bottom plate and at least comprises a tripod.

Preferably, transmission assembly is located including the cover adjusting screw go up and on the rotation direction with the driven gear of adjusting screw joint, driven gear set up in the inside of receiver, driven gear and driving gear meshing, the driving gear set up in the inside of receiver and be connected with a rotatable regulating part, the regulating part have the pivot and with the handle of pivot off-axis setting, the pivot runs through the receiver with the central authorities of driving gear connect just the handle is located the receiver is outside.

Preferably, driven gear's inner wall is provided with the joint key, adjusting screw's outer wall is equipped with the keyway along its length direction, the joint key with keyway sliding fit and joint on the direction of rotation on the axial direction.

Preferably, the number of the clamping keys is two, and the two clamping keys are symmetrically distributed on two sides of the driven gear.

Preferably, the supporting component comprises a sleeve arranged at the bottom of the storage box, the lower end of the adjusting screw is located in the sleeve, a supporting pipe is arranged at one end, away from the storage box, of the sleeve, and the tripod is sleeved on the supporting pipe.

Preferably, the tripod is including the cover locate the movable pipe box of stay tube and three with movable pipe box articulated landing leg, three the landing leg all articulates there is the connecting rod subassembly, the stay tube is kept away from telescopic one side cover is equipped with fixed pipe box, and three connecting rod subassembly is kept away from the one end of landing leg all with fixed pipe box is articulated, the part of stay tube the upper and lower both sides of movable pipe box is provided with stop collar and lower stop collar respectively, the internal diameter of movable pipe box is greater than go up the internal diameter of stop collar and lower stop collar and be less than go up the external diameter of stop collar and lower stop collar.

Preferably, the legs are retractable legs.

Preferably, the ends of the legs are provided with ground nails.

Preferably, the rotation connection part of the adjusting screw and the top plate is covered with a dust cover, the dust cover is fixedly connected with the top plate, and the dust cover is provided with a through hole for inserting the adjusting screw.

Preferably, the roof is provided with the spacing groove, the bottom of surveying instrument body is provided with the locating part, the locating part with the spacing groove cooperation of pegging graft.

The utility model discloses an above-mentioned adjusting screw of its drive assembly drive of surveying instrument convenient to adjust height of surveying and mapping realizes the relative motion of adjusting screw and bottom plate at screw hole internal rotation, and the roof can accompany adjusting screw to go up and down simultaneously, reaches the high effect of regulating instrument. In the process, the guide rod can prevent the rotation of the top plate, so that the stability of the surveying instrument body when the height of the surveying instrument is adjusted (the height of the top plate) is ensured, the non-axial pressure applied to the screw can be assisted to be dispersed, and the service life of the surveying instrument is prolonged; the receiver then can carry out fine protection to the transmission assembly that easily receives external environment to disturb, avoids influencing transmission effect. The utility model discloses can convenient and fast ground adjust the appearance height of surveying instrument, and stability is better in the accommodation process, and whole life is longer.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic diagram of an adjustment assembly of a mapper to facilitate adjustment of a mapping height according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of an adjustment screw and driven gear of a surveying instrument for facilitating adjustment of the mapping height according to an embodiment of the present invention;

fig. 3 is a schematic diagram of the overall structure of the surveying instrument convenient for adjusting the surveying height according to an embodiment of the present invention.

Reference numerals are as follows: 1. a surveying instrument body; 2. a top plate; 3. a base plate; 4. adjusting the screw rod; 5. a storage box; 6. a guide rod; 7. a rolling bearing; 8. a bearing plate; 9. a rubber cushion pad; 10. a driven gear; 11. a driving gear; 12. an adjustment member; 13. an anti-slip sleeve; 14. a sleeve; 15. supporting a tube; 16. a movable pipe sleeve; 17. a support leg; 18. a connecting rod; 19. fixing the pipe sleeve; 20. a ground nail; 21. a dust cover; 22. a limiting member; 23. a snap key; 24. a keyway.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, if "a plurality" appears, it means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Fig. 1-3 show a surveying instrument convenient for adjusting surveying and mapping height according to an embodiment of the present invention, which includes a surveying instrument body 1, an adjusting component and a supporting component.

The adjusting assembly comprises a top plate 2 and a bottom plate 3 which are arranged at intervals, the bottom plate 3 is provided with a threaded hole, an adjusting screw rod 4 which is in threaded fit with the threaded hole is inserted into the threaded hole, and the upper end of the adjusting screw rod 4 is rotatably connected with the bottom of the top plate 2, so that the adjusting screw rod 4 limits the position of the top plate 2 in the vertical direction.

The bottom of bottom plate 3 is provided with receiver 5, be provided with in the receiver 5 and be used for the drive adjusting screw 4 pivoted drive assembly, adjusting screw 4 keeps away from the one end of roof 2 runs through the bottom of receiver 5, the bottom and the 6 fixed connection of a plurality of guide bars of roof 2, bottom plate 3 seted up a plurality of with the guiding hole that guide bar 6 corresponds, guide bar 6 with the cooperation of pegging graft of guiding hole. Preferably, the bottom of receiver 5 sets up a plurality of with the second guiding hole that guide bar 6 corresponds for guide bar 6 with the cooperation of pegging graft of the second guiding hole of receiver 5 bottom.

Surveying instrument body 1 detachably set up in on roof 2. In this embodiment, the top plate 2 is provided with a limiting groove, the bottom of the surveying instrument body 1 is provided with a limiting part 22, and the limiting part 22 is in insertion fit with the limiting groove. In this embodiment, the limiting groove is a diamond-shaped groove, the shape of the limiting block is adapted to the shape of the limiting groove, and the design of the limiting block 22 and the limiting groove enables the surveying instrument body 1 to obtain a better fixing effect on the top plate 2.

The transmission assembly is set to drive the adjusting screw rod 4 rotates in the threaded hole of the bottom plate 3, so that the relative movement of the adjusting screw rod 4 and the bottom plate 3 in the vertical direction is realized, and meanwhile, the top plate 2 can lift along with the adjusting screw rod 4, so that the effect of adjusting the height of the instrument is achieved. At above-mentioned in-process, the guide bar 6 with the cooperation of the guiding hole of bottom plate 3 can prevent the rotation of roof 2, has guaranteed surveying instrument body 1's stability when the adjustment appearance is high (roof 2 height promptly), also can assist the non-axial pressure that dispersion adjusting screw 4 received, increases the utility model discloses a be convenient for adjust surveying instrument's of height of surveying. Receiver 5 then can carry out fine protection to the transmission assembly that easily receives external environment to disturb, avoids influencing transmission effect. The utility model discloses a surveying instrument convenient to adjust mapping height can convenient and fast ground adjust surveying instrument's appearance height, and stability is better in the accommodation process, and whole life is longer.

In the present exemplary embodiment, the rotational connection of the adjusting screw 4 to the bottom of the top plate 2 is realized by means of a rolling bearing 7, i.e. the upper end of the adjusting screw 4 and the bottom of the top plate 2 are rotationally connected by means of the rolling bearing 7. Furthermore, in order to avoid single stress of the outer ring and the inner ring of the bearing, the upper end of the adjusting screw rod 4 is provided with a bearing plate 8, the outer ring and the inner ring of the bearing are respectively fixedly connected with the bottom of the top plate 2 and the top of the bearing plate 8 in a ring welding mode, and the design of the bearing plate 8 can increase the welding spot area of the adjusting screw rod 4 and the bearing, so that the stability of the two after being fixed is increased. In addition, the rotating connection part of the adjusting screw rod 4 and the top plate 2 is covered with a dust cover 21, the dust cover 21 is fixedly connected with the top plate 2, a through hole for inserting the adjusting screw rod 4 is formed in the dust cover 21, and dust accumulation at a bearing can be reduced due to the design of the dust cover 21.

In this embodiment, the top of the bottom plate 3 is provided with a ring-shaped rubber cushion 9 around the threaded hole, and the rubber cushion 9 can avoid rigid contact between the top plate 2 and the bottom plate 3 when the adjusting speed is too high.

In the present embodiment, the number of the guide rods 6 is three, and three guide rods 6 are evenly spaced around the adjusting screw 4. One end of the guide rod 6, which is far away from the top plate 2, extends out of the bottom surface of the bottom plate 3, preferably out of the bottom surface of the storage box 5, and one end of the guide rod 6, which is far away from the top plate 2, is provided with a limiting part, so that the guide rod 6 is prevented from being separated from the set motion track (the motion direction of the guide rod 6 is the axis direction of the guide hole).

In some embodiments of the present invention, the transmission assembly includes a driven gear 10 sleeved on the adjusting screw 4 and engaged with the adjusting screw 4 in a rotation direction, the driven gear 10 is disposed inside the storage box 5 (preferably rotatably disposed at the bottom of the storage box 5), so that the driven gear 10 is rotatable with respect to the bottom plate 3, the driven gear 10 is engaged with the driving gear 11, the driving gear 11 is disposed inside the storage box 5 (preferably disposed at the bottom of the storage box 5) and connected with a rotatable adjusting member 12, the adjusting member 12 has a rotation shaft and a handle disposed in a different axis from the rotation shaft, and the rotation shaft of the adjusting member 12 runs through the storage box 5 and the center of the driving gear 11 is connected and the handle is located outside the storage box 5.

In this embodiment, the user passes through regulating part 12 drive driving gear 11, and driving gear 11 drives driven gear 10 and rotates, and driven gear 10 corresponds and drives adjusting screw 4 rotatory, and adjusting screw 4 has just realized the lift of roof 2 when the screw hole internal rotation, has realized the regulation of appearance height promptly. Driven gear 10 the rotation of driving gear 11 and receiver 5 bottom is connected all to be realized through the bearing.

In this embodiment, the overall shape of the adjustment member 12 is "Z" shaped, having a straight pivot axis and a handle parallel to and non-coaxial with the pivot axis. One end of the adjusting part 12 is fixedly connected with the driving gear 11, the fixing mode can be welding, the other end is provided with an anti-slip sleeve 13, and when the height of the instrument is adjusted, one end of the adjusting part 12, which is provided with the anti-slip sleeve 13, moves circularly in the horizontal direction.

In the present embodiment, the working range of the adjusting member 12 (the working space defined by the working path thereof when the circular motion is completed) does not overlap with the space of any one of the guide bars 6.

As shown in fig. 2, in the present embodiment, the inner wall of the driven gear 10 is provided with a clamping key 23, the outer wall of the adjusting screw 4 is provided with a key groove 24 along the length direction thereof, and the clamping key 23 is in sliding fit with the key groove 24 in the axial direction and clamped in the rotation direction.

In this embodiment, joint spare 23 and keyway 24 mutually support, it is rotatory to realize effectively driving adjusting screw 4 when driven gear 10 is rotatory, when user drive driving gear 11 drives driven gear 10 rotatory, adjusting screw 4 can take place the displacement in vertical direction, keyway 24 on the adjusting screw 4 also can correspond the displacement of taking place in vertical direction, rotate during driven gear 10 and set up in receiver 5 bottom, in this process, driven gear 10 rotates and sets up in receiver 5 bottom, its height can not change, be not synchronous motion between driven gear 10 and the screw rod promptly, joint key 23 and keyway 24's cooperation has realized driven gear 10 in the rotation direction with adjusting screw 4 joint, driven gear 10 can not influence the motion of screw rod in vertical direction when effectively driving adjusting screw 4 rotatory promptly.

In this embodiment, the number of the snap keys 23 is two, and the two snap keys 23 are symmetrically distributed on both sides of the driven gear 10. In this embodiment, the snap keys 23 and the key slots 24 constitute two torque transmission units, and the torque transmission units are symmetrically distributed, so that the force applied to the snap keys 23 is more uniform.

The support assembly is arranged on the lower side of the bottom plate 3 and at least comprises a tripod.

As shown in fig. 1 and 3, in the present embodiment, the support assembly includes a sleeve 14 disposed at the bottom of the storage box 5, the lower end of the adjusting screw 4 is located in the sleeve 14, a support pipe 15 is disposed at one end of the sleeve 14 away from the storage box 5, and a tripod is sleeved on the support pipe 15.

In this embodiment, the sleeve 14 covers the lower end of the adjusting screw rod 4, so as to avoid the influence of the tripod on the adjusting stroke of the adjusting screw rod 4, and the end of the sleeve 14 close to the supporting tube 15 is provided with a plugging plate for increasing the connection strength between the sleeve 14 and the supporting tube 15, because the sleeve 14 and the supporting tube 15 are both hollow structures, solid parts (plugging plates) are required to increase the connection strength, and the plugging plates are fixed to the sleeve 14 and the supporting tube 15 by welding.

It should be noted that although through the utility model discloses an adjusting part can satisfy the high demand of regulator basically already, nevertheless according to the operation ground to most unevenness, the inclination of surveying instrument self is adjusted and can't be satisfied the leveling demand, needs the tripod to compensate the regulation to the ground inclination promptly.

In this embodiment, the tripod includes a movable pipe sleeve 16 sleeved on the support pipe 15 and three support legs 17 hinged to the movable pipe sleeve 16, the three support legs 17 are hinged to a connecting rod assembly 18, a fixed pipe sleeve 19 is sleeved on one side of the support pipe 15 away from the sleeve 14, one ends of the three connecting rod assemblies 18 away from the support legs 17 are hinged to the fixed pipe sleeve 19, and upper and lower limiting sleeves 161 and 162 are respectively disposed on upper and lower sides of the movable pipe sleeve 16 of the support pipe 15. The inner diameter of the movable pipe sleeve 16 is larger than the inner diameters of the upper limit sleeve 161 and the lower limit sleeve 162 and smaller than the outer diameters of the upper limit sleeve 161 and the lower limit sleeve 162.

In this embodiment, the connecting rod assembly 18 is a double-connecting-rod structure, the connecting rod assembly 18 includes a first connecting arm and a second connecting arm which are hinged to each other, a fastening bolt is arranged at the hinged position of the first connecting arm and the second connecting arm, the tightness degree of the hinged position of the first connecting arm and the second connecting arm can be adjusted, one end of the first connecting arm, which is far away from the second connecting arm, is hinged to the movable pipe sleeve 16, one end of the second connecting arm, which is far away from the first connecting arm, is hinged to the supporting leg 17, the upper limiting sleeve and the lower limiting sleeve are in threaded fit with the outer side wall of the supporting pipe 15, the inner diameter of the movable pipe sleeve 16 is larger than that of the upper limiting sleeve and that of the lower limiting sleeve, and the fixed pipe sleeve 19 is fixed at the bottom of the supporting pipe 15 in a bolt connection manner. Through adjusting the distance between activity pipe box 16 and the fixed pipe box 19, can adjust the contained angle between a plurality of landing legs 17 and the ground, the distance between activity pipe box 16 and the fixed pipe box 19 is less, and the contained angle of landing leg 17 and ground is less, and the stability of equipment when temporary shift or when the work area of stewing can be higher, has also increased when the regulator of being convenient for is high the utility model discloses a stability of placing.

In the present embodiment, the leg 17 is a telescopic leg. Specifically, landing leg 17 includes first sleeve, the inside of one side that sleeve 14 was kept away from to first sleeve is provided with the second sleeve, first sleeve is close to one side of second sleeve is provided with the locking bolt, and the terminal lateral wall that passes first sleeve of locking bolt sets up and the butt of second sleeve, can control landing leg 17's overall length through controlling the degree of depth of second sleeve in first sleeve, realizes landing leg 17's scalable to can use the locking bolt locking after landing leg 17 length is confirmed. The telescopic legs enable the utility model discloses obtain altitude mixture control on a larger scale.

In this embodiment, the end of the leg 17 is provided with a ground nail 20. For the occasion of work on non-cement ground, the ground nail 20 can increase the fixing effect between the utility model and the bottom surface.

To sum up, the embodiment of the utility model provides a surveying instrument convenient to adjust mapping height, it has following technological effect at least:

the utility model discloses in, the drive assembly drive adjusting screw 4 realizes adjusting screw 4 and bottom plate 3's relative motion at screw hole internal rotation, and roof 2 can accompany adjusting screw 4 to go up and down simultaneously, reaches the high effect of regulation appearance. In the process, the guide rod 6 is designed to prevent the top plate 2 from rotating, so that the stability of the surveying instrument body 1 when the height of the surveying instrument is adjusted (the height of the top plate 2) is ensured, non-axial pressure on the screw can be assisted to be dispersed, and the service life of the surveying instrument is prolonged; receiver 5 then can carry out fine protection to the transmission assembly that easily receives external environment to disturb, avoids influencing transmission effect. The utility model discloses can convenient and fast ground adjust the appearance height of surveying instrument, and stability is better in the accommodation process, and whole life is longer.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A surveying instrument convenient for adjusting surveying and mapping height is characterized by comprising a surveying instrument body, an adjusting assembly and a supporting assembly;

the adjusting assembly comprises a top plate and a bottom plate which are arranged at intervals, a threaded hole is formed in the bottom plate, an adjusting screw rod in threaded fit with the threaded hole is inserted in the threaded hole, the upper end of the adjusting screw rod is rotatably connected with the bottom of the top plate, a storage box is arranged at the bottom of the bottom plate, a transmission assembly for driving the adjusting screw rod to rotate is arranged in the storage box, one end, far away from the top plate, of the adjusting screw rod penetrates through the bottom of the storage box, the bottom of the top plate is fixedly connected with a plurality of guide rods, and a plurality of guide holes in plug fit with the guide rods are formed in the bottom plate;

the surveying instrument body is detachably arranged on the top plate;

the support assembly is arranged on the lower side of the bottom plate and at least comprises a tripod.

2. The apparatus as claimed in claim 1, wherein the transmission assembly includes a driven gear engaging with the adjusting screw, the driven gear is disposed inside the receiving box, the driven gear is engaged with a driving gear, the driving gear is disposed inside the receiving box and connected to a rotatable adjusting member, the adjusting member has a rotating shaft and a handle, the rotating shaft is disposed through the receiving box and connected to the driving gear, and the handle is located outside the receiving box.

3. The surveying instrument convenient for adjusting the surveying height according to claim 2, wherein the inner wall of the driven gear is provided with a snap key, the outer wall of the adjusting screw is provided with a key groove along the length direction thereof, and the snap key is in sliding fit with the key groove in the axial direction and is in snap fit with the key groove in the rotation direction.

4. A surveying instrument facilitating adjustment of the surveying height according to claim 3, characterized in that the number of snap keys is two and the two snap keys are symmetrically distributed on both sides of the driven gear.

5. The surveying instrument convenient for adjusting surveying and mapping height according to claim 1, characterized in that the supporting component comprises a sleeve arranged at the bottom of the storage box, the lower end of the adjusting screw rod is positioned in the sleeve, a supporting pipe is arranged at one end of the sleeve far away from the storage box, and the supporting pipe is sleeved with the tripod.

6. The surveying instrument convenient for adjusting surveying and mapping height according to claim 5, wherein the tripod comprises a movable tube sleeve sleeved on the supporting tube and three supporting legs hinged with the movable tube sleeve, all three of the supporting legs are hinged with connecting rod assemblies, one side of the supporting tube away from the sleeve is sleeved with a fixed tube sleeve, one ends of the three connecting rod assemblies away from the supporting legs are hinged with the fixed tube sleeve, the upper and lower sides of the movable tube sleeve of the supporting tube are respectively provided with an upper limit sleeve and a lower limit sleeve, and the inner diameter of the movable tube sleeve is larger than the inner diameters of the upper limit sleeve and the lower limit sleeve and smaller than the outer diameters of the upper limit sleeve and the lower limit sleeve.

7. A mapper as recited in claim 6, wherein said legs are telescoping legs.

8. A mapper in order to adjust the height of the map as claimed in claim 7, wherein the end of the leg is provided with a ground nail.

9. The surveying instrument convenient for adjusting the surveying and mapping height according to claim 1, wherein a dust cover is covered at a rotational connection position of the adjusting screw and the top plate, the dust cover is fixedly connected with the top plate, and a through hole for inserting the adjusting screw is formed in the dust cover.

10. The surveying instrument convenient for adjusting the surveying height according to claim 1, wherein the top plate is provided with a limiting groove, the bottom of the surveying instrument body is provided with a limiting member, and the limiting member is in plug-in fit with the limiting groove.

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