Measuring instrument supporting and fixing device

Abstract

The utility model discloses a measuring instrument supporting and fixing device which comprises a bearing disc with a tripod at the bottom, a telescopic rod is vertically and fixedly connected to the center of the top surface of the bearing disc, a leveling mechanism is connected to the telescopic rod, and a horizontal rotating mechanism is arranged on the leveling mechanism; the leveling mechanism comprises a lower tray arranged at the telescopic end of the telescopic rod and an upper tray parallel to the upper portion of the lower tray, and the upper tray and the lower tray are connected into a whole through a leveling assembly. The horizontal rotating mechanism comprises a fixed base arranged on the upper tray and a rotating disc in rotating fit with the fixed base, and the center of the top face of the rotating disc is provided with a butt-joint inserting groove matched with the butt-joint measuring instrument. The utility model has the advantages that the measuring instrument can be easily and stably supported and fixed, the height position, the horizontal position and the rotation angle of the measuring instrument can be adjusted as required, the mounting and leveling precision of the measuring instrument is improved, and the measuring instrument has the advantages of convenience in operation, accuracy in measurement, wide application range, high measuring efficiency and strong reliability.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering measurement technical field especially is related to a surveying instrument support device. BACKGROUND

[0002] The surveying instrument is also called the measuring instrument, and is a device used for measurement alone or in combination with auxiliary equipment, a technical tool or device for measuring and obtaining the value of a measured object, and plays a vital role in scientific research, engineering technology, agricultural production and other fields.

[0003] In the process of using the measuring instrument, in order to ensure that it can keep stable and accurate during measurement, a specific support fixing device is usually used to support and fix the measuring instrument, which can not only prevent the measuring instrument from toppling or moving due to its own weight or other external factors, but also prevent the measuring instrument from shaking or moving during measurement, and ensure the reliability of measurement and the accuracy of measurement results.

[0004] In the prior art, such as the measuring instrument fixing device disclosed in application No. 202320286951.4, a placing disc is provided, a plurality of support frames are hingedly connected to the bottom of the placing disc, an adjustable support plate is movably connected to the inside of the support frame, a connecting plate is fixedly connected to the other end of the support plate, a support foot is embedded in the inside of the connecting plate, a limiting structure for fixing the support foot is arranged on both sides of the connecting plate, a movable plate is arranged on the surface of the support frame, a bolt is movably connected to the inside of one end of the movable plate, the other end of the bolt is threadedly connected with the inside of the support frame, a connecting pipe is arranged at the middle position of the bottom of the placing disc, and a clamping plate is arranged on the inside of the support frame.

[0005] Although the above-mentioned device can support and fix the measuring instrument, it does not have a leveling function, so this device can only be used for laser level meters, total stations and level meters with leveling function, and cannot be used for portable measuring instruments without leveling function, so the application range is small. Moreover, this device does not have a steering function, and cannot provide the rotating measurement requirement of the measuring instrument, so the measurement method is limited, which brings inconvenience to the measurement work. SUMMARY

[0006] The utility model aims at the defects of prior art, provides a surveying instrument support device.

[0007] To achieve the above-mentioned purpose, the utility model can adopt the following technical solutions:

[0008] The utility model discloses a measuring instrument support device, including the bearing disc of bottom area with tripod, the top surface center vertical fixed link of bearing disc has telescopic link, is connected with the leveling mechanism on telescopic link, is provided with horizontal rotating mechanism on leveling mechanism, wherein, leveling mechanism includes the lower tray of setting on the telescopic end of telescopic link and the upper tray parallel to the upper side of lower tray, upper tray and lower tray are connected as a whole through leveling assembly, horizontal rotating mechanism includes the fixed base of setting on upper tray and the rotating disc of rotation cooperation with fixed base, the top surface center of rotating disc has the butt joint slot of adaptation butt joint measuring instrument.

[0009] Further, the tripod includes three groups of legs hinged to the bottom surface of the bearing disc, three groups of the legs are evenly distributed along the circumference of the bearing disc, a connecting groove is formed in the upper part of each leg along the length direction of the leg, and a protective foot sleeve is fixedly sleeved on the lower end of the leg; a sliding rod is slidably arranged in the connecting groove, a limiting rod is connected to the sliding rod, and the ends of the three groups of limiting rods away from the sliding rod are hingedly connected to a three-way seat fixed at the center of the bottom surface of the bearing disc.

[0010] Further, a cross-shaped mounting cavity is arranged at the center of the top surface of the upper tray, the cross-shaped mounting cavity is clamped between the fixed base and the upper tray, and the cross-shaped mounting cavity is composed of four strip-shaped cavities opposite to each other and a center cavity communicating the four strip-shaped cavities; a push spring is arranged in each strip-shaped cavity along the length direction of the strip-shaped cavity, a synchronous positioning rod is coaxially arranged in the inside of the push spring, a positioning push plate is arranged at the inner end of the synchronous positioning rod and slides along the strip-shaped cavity, an observation block is arranged at the outer end of the synchronous positioning rod and is located outside the strip-shaped cavity, and a measuring ball is arranged in the center cavity and freely rolls to push the positioning push plate.

[0011] Further, the leveling assembly is four groups, the four groups of leveling assemblies are evenly distributed on the outer periphery of the lower tray and correspond to the four strip-shaped cavities one by one, each group of leveling assemblies is composed of a lower lug plate fixed on the outer edge of the lower tray, an upper lug plate fixed on the outer edge of the upper tray, and a height adjusting screw bolt vertically screwed through the lower lug plate and clamped on the upper lug plate; the height adjusting screw bolt is conveniently screwed, and an adjusting head for convenient holding or clamping should also be arranged at the lower end of the height adjusting screw bolt.

[0012] Further, the top surface of the fixed base has an installation groove, a rotating main shaft with an upper end fixedly connected to the rotating disc is vertically arranged at the center of the installation groove, an annular worm is fixedly sleeved on the rotating main shaft, and a driving worm is horizontally arranged on the fixed base and engaged with the annular worm; for convenient operation, a driving handle located outside the fixed base should also be arranged at one end of the driving worm.

[0013] Further, the outer wall of the fixed base is further provided with a movable pin horizontally penetrating into the mounting groove, the inner end of the movable pin is provided with a positioning clamping block, the outer end of the movable pin is provided with a limiting buckle clamping outside the fixed base, the end of the positioning clamping block away from the compression spring is a spherical end head, a compression spring for pushing the positioning clamping block to insert into the tooth groove of the annular worm gear is sleeved on the movable pin inside the mounting groove, so that the normal rotation of the annular worm gear is ensured, and the stability of the annular worm gear is improved after the annular worm gear rotates to the position.

[0014] The utility model discloses the unique structure design of the device can realize the stable support of measuring instrument easily, promote the support stability of measuring instrument under different ground conditions, can also adjust the height position, horizontal position and rotation angle of measuring instrument according to the need, improve the installation and leveling precision of measuring instrument, have convenient operation, accurate measurement, wide application range, high measurement efficiency, strong reliability's advantage, can satisfy the demand of different measurement scene. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model.

[0016] Figure 2 It is Figure 1 axle side view.

[0017] Figure 3 It is Figure 2 the structural schematic diagram of hidden horizontal rotation mechanism in.

[0018] Figure 4 It is Figure 3 the enlarged view of A part in.

[0019] Figure 5 It is Figure 1 the connection schematic diagram of tripod and bearing disc in.

[0020] Figure 6 It is Figure 1 the rotation cooperation schematic diagram of fixed base and rotating disc in.

[0021] Figure 7 It is Figure 6 the enlarged view of axle side of movable pin in. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] As Figure 1 , 2 indicated, the measuring instrument fixing device, comprising a bearing disc 1, the bottom surface of the bearing disc 1 is provided with a tripod 2, the top surface center is vertically fixed with a telescopic rod 3, the telescopic rod 3 is an electric hydraulic rod or pneumatic hydraulic rod capable of precise lifting, the telescopic rod 3 is connected with a leveling mechanism capable of adjusting balance, and the leveling mechanism is provided with a horizontal rotating mechanism capable of horizontal rotation. Among them, the leveling mechanism includes a lower tray 4 coaxially fixed on the telescopic end of the telescopic rod 3, and an upper tray 5 parallel to the upper side of the lower tray 4, the upper tray 5 and the lower tray 4 are circular trays, and are connected into one by a leveling assembly 6; the horizontal rotating mechanism includes a fixed base 7 provided on the top surface of the upper tray 5, and a rotating disc 8 rotationally matched with the fixed base 7, the fixed base 7 is a circular seat body, and is coaxial with the upper tray 5, and the rotating disc 8 is a disc coaxially arranged with the fixed base 7, and has a docking slot 9 in the top surface center for adapting to the docking of the measuring instrument.

[0024] Specifically, as Figure 5 indicated, the tripod 2 includes three groups of legs 2.1 hinged to the bottom surface of the bearing disc 1, the three groups of legs 2.1 are uniformly distributed on the bottom surface of the bearing disc 1 along the circumference, and can complete two actions of outward rotation opening and inward rotation closing; the upper part of each leg 2.1 is provided with a connecting groove 2.2 along the length direction, a sliding rod 2.3 is slidingly arranged in the connecting groove 2.2, a limiting rod 2.4 is connected to the sliding rod 2.3, and the ends away from the sliding rod 2.3 of the three limiting rods 2.4 are hinged to a three-way seat 2.5 fixed at the center of the bottom surface of the bearing disc 1. Further, in order to improve the stability of the leg 2.1 fixing, a protective sleeve 10 can also be fixedly arranged at the lower end of each leg 2.1, the protective sleeve 10 is made of rubber or silicone material, which is wear-resistant and can increase the friction.

[0025] In order to be able to observe whether the upper tray 5 is horizontal in real time, as Figure 3 , 4 indicated, a cross-shaped mounting cavity 11 should also be fixed at the top surface center of the upper tray 5, the cross-shaped mounting cavity 11 is clamped between the fixed base 7 and the upper tray 5, and specifically comprises four pairs of opposite strip cavities 11.1 and a center cavity 11.2 communicating the four strip cavities 11.1.

[0026] In each strip-shaped cavity 11.1, a thrust spring 11.3 is fitted and clamped, the axial direction of the thrust spring 11.3 is consistent with the length direction of the strip-shaped cavity 11.1, a synchronous positioning rod 11.4 is coaxially arranged in the inside of the thrust spring 11.3, the inner end of the synchronous positioning rod 11.4 (i.e. the end close to the center of the top surface of the upper tray 5) is provided with a positioning push plate 11.5 which is attached to the inner end of the thrust spring 11.3 and slides along the strip-shaped cavity 11.1, and the outer end of the synchronous positioning rod 11.4 (i.e. the end away from the center of the top surface of the upper tray 5) penetrates out of the strip-shaped cavity 11.1 and is provided with an observation block 11.6 outside the strip-shaped cavity 11.1, when the thrust spring 11.3 is in the initial state without compression, the outer side wall of the observation block 11.6 should be just aligned with the outer edge of the upper tray 6, so as to clearly observe whether the observation block 11.6 is displaced; in addition, a leveling ball 11.7 is arranged in the central cavity 11.2, the leveling ball 11.7 is located inside the four positioning push plates 11.5 and can freely roll into the four strip-shaped cavities 11.1; when the leveling ball 11.7 is at rest in the central cavity 11.2, it proves that the whole upper tray 5 is in a horizontal position, when one side of the upper tray 5 is inclined downward, the leveling ball 11.7 will roll into the strip-shaped cavity 11.1 on the side which is inclined downward under the action of its own gravity, so as to push the positioning push plate 11.5 in the strip-shaped cavity 11.1 to overcome the elastic force of the thrust spring 11.3 and push the synchronous positioning rod 11.4 to extend outward, thereby realizing the judgment of whether the upper tray 5 is horizontal by the displacement of the observation block 11.6.

[0027] Further, in order to ensure the smooth sliding of the positioning push plate 11.5 in the strip-shaped cavity 11.1, positioning sliding grooves consistent with the length direction can be symmetrically formed on the left and right side walls of the strip-shaped cavity 11.1, and positioning sliding blocks sliding along the positioning sliding grooves can be arranged on the left and right edges of the positioning push plate 11.5, so as to always guide the sliding direction of the positioning push plate 11.5.

[0028] At this time, according to the specific structural features of the cross-shaped mounting cavity 11, four sets of leveling assemblies 6 should be arranged, and the four sets of leveling assemblies 6 are uniformly distributed on the outer periphery of the lower tray 4 and correspond to the four strip-shaped cavities 11.1; each set of leveling assembly 6 is composed of a lower lug plate 6.1 fixed horizontally on the outer edge of the lower tray 4, an upper lug plate 6.2 fixed horizontally on the outer edge of the upper tray 5, and a height adjustment screw 6.3 clamped on the upper lug plate 6.2 and vertically screwed through the lower lug plate 6.1; when it is necessary to level the upper tray 5, the height adjustment screw 6.3 on the inclined side can be screwed to push or pull the upper tray 5 upward or downward, so as to adjust the inclination angle of the upper tray 5 and realize the leveling of the upper tray 5; in addition, in order to facilitate the screwing of the height adjustment screw 6.3, an adjustment head 6.4 for convenient holding or clamping can be arranged at the lower end of the height adjustment screw 6.3.

[0029] In order to realize the rotation cooperation of the fixed base 7 and the rotating disc 8, an upper opening installation groove is arranged on the top surface of the fixed base 7, and the axis of the installation groove is consistent with the axis of the fixed base 7. In addition, as shown in Figure 6 , a rotating main shaft 13 is vertically arranged at the center of the installation groove, the axial direction of the rotating main shaft 13 is consistent with the axial direction of the installation groove, and the upper end of the rotating main shaft 13 is coaxially fixedly connected with the rotating disc 8. At this time, a disc-shaped annular worm wheel 14 is fixedly sleeved on the outer wall of the rotating main shaft 13, and a driving worm 15 engaged with the annular worm wheel 14 is horizontally arranged on the fixed base 7. The driving worm 15 can rotate without displacement on the fixed base 7, thereby driving the annular worm wheel 14 to rotate, and further driving the rotating main shaft 13 to horizontally rotate the rotating disc 8, so that the measuring instrument adapted to the rotating disc 8 can be horizontally rotated by any angle as needed.

[0030] Further, in order to facilitate the rotation of the driving worm 15, a driving handle 16 is arranged at one end of the driving worm 15 and located outside the fixed base 7. Preferably, the driving handle 16 is a disc-shaped handle coaxially fixed on the end surface of the driving worm 15, which is convenient for rotating the driving handle 16 to drive the driving worm 15 to rotate.

[0031] Further, as shown in Figure 7 , an activity pin 17 is further arranged on the outer wall of the fixed base 7 and horizontally penetrates into the installation groove. The inner end of the activity pin 17 is provided with a positioning clamping block 18, and the outer end is provided with a limiting buckle 19 clamped outside the fixed base 7. A compression spring 20 is sleeved on the activity pin 17 located on the inner side of the installation groove and inserts the positioning clamping block 18 into the tooth groove of the annular worm wheel 14. One end of the compression spring 20 is supported on the groove wall of the installation groove, and the other end of the compression spring 20 pushes the positioning clamping block 18 to insert into the tooth groove of the annular worm wheel 14. In addition, the positioning clamping block 18 can be made of rubber or silicone material with certain toughness, and the end far away from the compression spring 20 is a spherical end, which not only can ensure the normal rotation of the annular worm wheel 14, but also can insert into the tooth groove of the annular worm wheel 14 when the annular worm wheel 14 is rotated to the position by the cooperation of the positioning clamping block 18 and the compression spring 20, thereby strengthening the fixation of the rotating angle of the rotating disc 8.

[0032] The whole measuring instrument supporting device can easily realize the stable support of the measuring instrument through its unique structure design, improve the supporting stability of the measuring instrument under different ground conditions, and also can adjust the height, horizontal position and rotation angle of the measuring instrument as needed, improve the installation and leveling accuracy of the measuring instrument, has the advantages of convenient operation, accurate measurement, wide application range, high measurement efficiency and strong reliability, and can meet the needs of different measurement scenes.

[0033] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications will also change accordingly.

Claims

1. A gauge holder device, characterized by: The application relates to a bearing disc with a tripod, wherein a telescopic rod is vertically fixed at the center of the top surface of the bearing disc, a leveling mechanism is connected to the telescopic rod, and a horizontal rotating mechanism is arranged on the leveling mechanism. The leveling mechanism comprises a lower tray arranged on the telescopic end of the telescopic rod and an upper tray parallel to the lower tray, and the upper tray and the lower tray are connected into an integrated whole through a leveling assembly. The horizontal rotating mechanism comprises a fixed base arranged on the upper tray and a rotating disc in rotating cooperation with the fixed base, and the top center of the rotating disc is provided with a butt joint slot suitable for a butt joint measuring instrument.

2. The measuring instrument holding device according to claim 1, characterized in that: The tripod comprises three groups of supporting legs hinged to the bottom surface of the bearing disc, the three groups of supporting legs are evenly distributed along the circumference of the bearing disc, a connecting groove is formed in the upper part of each supporting leg along the length direction of the supporting leg, a sliding rod is arranged in the connecting groove, a limiting rod is connected to the sliding rod, and the ends of the three groups of limiting rods away from the sliding rod are hingedly connected to a three-way seat fixed at the center of the bottom surface of the bearing disc.

3. The gauge holder of claim 2, wherein: A protective foot sleeve is fixedly arranged at the lower end of each supporting leg.

4. The gauge holder of claim 1, wherein: A cross-shaped mounting cavity is arranged at the center of the top surface of the upper tray, the cross-shaped mounting cavity is clamped between the fixed base and the upper tray, the cross-shaped mounting cavity is composed of four strip cavities opposite to each other and a center cavity communicating with the four strip cavities, a push spring is arranged in each strip cavity along the length direction, a synchronous positioning rod is coaxially arranged in the inner side of the push spring, the inner end of the synchronous positioning rod is provided with a positioning push plate sliding along the strip cavity, the outer end of the synchronous positioning rod is provided with an observation block located on the outer side of the strip cavity, and the center cavity is provided with a measuring ball freely rolling to push the positioning push plate.

5. The gauge holder of claim 4, wherein: The leveling assembly is four groups, the four groups of leveling assemblies are evenly distributed on the outer periphery of the lower tray and correspond to the four strip cavities one by one, each group of leveling assemblies is composed of a lower lug plate fixed to the outer edge of the lower tray, an upper lug plate fixed to the outer edge of the upper tray and a height adjusting screw bolt vertically downwardly screwed through the lower lug plate and clamped to the upper lug plate.

6. The gauge holder of claim 5, wherein: An adjusting head facilitating screwing is arranged at the lower end of the height adjusting screw bolt.

7. The gauge holder of claim 1, wherein: The top surface of the fixed base is provided with a mounting groove, a rotating main shaft with the upper end fixed to the rotating disc is vertically arranged at the center of the mounting groove, an annular worm is fixedly sleeved on the rotating main shaft, and a driving worm is horizontally arranged on the fixed base and engaged with the annular worm.

8. The gauge holder of claim 7, wherein: One end of the driving worm is provided with a driving handle located on the outer side of the fixed base.

9. The gauge holder of claim 7, wherein: A movable pin is arranged on the outer wall of the fixed base and horizontally penetrates into the mounting groove, the inner end of the movable pin is provided with a positioning clamping block, the outer end of the movable pin is provided with a limiting buckle clamped to the outer side of the fixed base, a compression spring is sleeved on the movable pin located on the inner side of the mounting groove and pushes the positioning clamping block into the gear slot of the annular worm.

10. The gauge holder of claim 9, wherein: The end of the positioning clamping block away from the compression spring is a spherical end.

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