Non-forced centering precision base

Abstract

The utility model relates to a non-forced centering precision base, which comprises a base and a floating table, the base is provided with a mounting groove, the lower end of the floating table is provided with a connecting seat, the connecting seat is arranged in the mounting groove, the upper end of the base is provided with a pressing ring, the connecting seat is arranged in the mounting groove and is limited by the pressing ring, the upper end of the floating table is provided with a mounting seat, and the mounting seat is connected with a total station. The inner diameter of the mounting groove is greater than the outer diameter of the connecting seat; the base adopts the conical leveling bolt, so that the height of the base is adjustable, the conical structure can increase the mounting stability of the base and prevent the base from sliding, and the locking jackscrew is adopted to fix the leveling bolt, so that instability caused by loosening of the leveling bolt after height adjustment is avoided; the base is provided with a rigid top bead, so that the connecting seat can slide more smoothly when being adjusted in the mounting groove, and a limiting effect is achieved; a plurality of adjusting bolts are arranged on the periphery of the mounting groove, so that the connecting seat drives the total station to be finely adjusted in the mounting groove, and the purpose of precise centering is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of measurement technology, concretely relates to a non-forced centering precision base. BACKGROUND

[0002] In the development precision engineering survey, in addition to forced centering observation tower, there are porcelain sign, plane sign and so on as representative of the carved sign point, these point can not realize the forced installation of measuring equipment, need to use the transfer base to install, the transfer base currently used mostly is the T3 theodolite base of 60s, the base provides the relatively stable installation condition with its self-weight advantage, but also has the problems of low centering accuracy, no leveling mechanism, serious wear and tear, which has a certain influence on the data results of precision measurement. SUMMARY

[0003] The utility model discloses a non-forced centering precision base to solve the problems in the background art.

[0004] In order to solve the problems in the background art, the utility model is realized through the following technical schemes:

[0005] A non-forced centering precision base, including base and floating platform, the base is equipped with installation groove, the floating platform lower extreme is equipped with connecting seat, the connecting seat is located in the installation groove, the base upper end is equipped with the pressure ring, the connecting seat is located in the installation groove, is limited through the pressure ring, the floating platform upper end is equipped with the mounting seat, the mounting seat is connected with total station, the inner diameter of installation groove is greater than the outer diameter of connecting seat.

[0006] Preferably, the installation groove is provided with a plurality of adjusting bolts, the connecting seat is located in the installation groove, and the adjusting bolts are adjusted and locked.

[0007] Preferably, the base lower end is provided with a plurality of leveling feet, the leveling feet are fixedly connected with the base, the leveling feet are provided with leveling bolts and locking jacks, the leveling bolts are threadedly connected with the leveling feet and are fixed through the locking jacks.

[0008] Preferably, the upper end of the leveling bolt is threadedly connected with the leveling foot, and the lower end of the leveling bolt is a conical structure.

[0009] Preferably, the base is also provided with a plurality of rigid top beads, the upper end of the rigid top bead passes through the base, is located in the installation groove and abuts against the connecting seat.

[0010] Preferably, the connecting base is provided with a plurality of connecting bolts, lower ends of the connecting bolts are in threaded connection with the connecting base, the connecting bolts are provided with fixing tables, the mounting base is limited by the fixing tables through the connecting bolts, and the mounting base is fixed through fixing nuts arranged at upper ends of the connecting bolts.

[0011] Preferably, the fixing nuts and the mounting base are provided with gaskets.

[0012] Preferably, the gaskets are polytetrafluoroethylene gaskets.

[0013] Preferably, the connecting base, the mounting base, the mounting groove and the base are all provided with corresponding centering holes.

[0014] Preferably, the mounting base is provided with a bubble level.

[0015] Compared with the prior art, the utility model has the following beneficial technical effects:

[0016] The base adopts a conical leveling bolt, the height thereof is adjustable, the conical structure can increase the mounting stability of the base, prevents the base from sliding, and the leveling bolt is fixed by locking jacks, so that instability caused by loosening of the leveling bolt after height adjustment is avoided; the base is provided with rigid jacks, so that sliding during adjustment of the connecting base in the mounting groove is smoother, and the rigid jacks also have a limiting effect; a plurality of adjusting bolts are arranged on the outer periphery of the mounting groove, so that the connecting base can drive the total station to be finely adjusted in the mounting groove, and the purpose of precise centering is achieved.

[0017] The bubble level arranged on the mounting base is used for preliminary leveling; the centering holes arranged on the connecting base, the mounting base, the mounting groove and the base are used for preliminary centering, so that time for subsequent precise centering is saved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a front view structural schematic diagram of the utility model;

[0019] Fig. 2 It is a top view structural schematic diagram of the utility model.

[0020] REFERENCE NUMERALS

[0021] 10, base; 11, leveling foot; 12, leveling bolt; 13, locking jack; 14, rigid jack; 20, floating table; 21, connecting base; 22, mounting base; 23, adjusting bolt; 24, connecting bolt; 25, fixing table; 26, fixing nut; 27, gasket; 28, bubble level; 30, pressing ring. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] In the description of the present application, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the indicated device or element to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, if the terms "first", "second", "third" appear, they are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, if the terms "mounting", "connecting", "connecting" appear, they should be understood in a broad sense, for example, they can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] As shown in Figs. 1-2 A non-mandatory centering precision base, comprising a base 10 and a floating table 20, the base 10 is provided with a mounting groove, the lower end of the floating table 20 is provided with a connecting seat 21, the connecting seat 21 is arranged in the mounting groove, the upper end of the base 10 is provided with a pressing ring 30, the connecting seat 21 is arranged in the mounting groove and limited by the pressing ring 30, the upper end of the floating table 20 is provided with a mounting seat 22, the mounting seat 22 is connected with a total station, and the inner diameter of the mounting groove is greater than the outer diameter of the connecting seat 21.

[0026] The connecting seat 21 is arranged in the mounting groove and abuts against the rigid top bead 14, and is horizontally self-levelling, and the connecting seat 21, the mounting seat 22, the mounting groove and the base 10 are all provided with corresponding centering holes, so that the centering holes are concentric, preliminary centering is performed, and fine adjustment is performed through a plurality of adjusting bolts 23, so that the connecting seat 21 moves in the mounting groove, drives the total station connected with the mounting seat 22 to move synchronously, and the purpose of precise centering is achieved.

[0027] When the total station or prism needs to be replaced during measurement, only the adjusting bolt 23 is loosened, the compression ring 30 is removed, and the total station or prism is directly replaced, without the need to re-center and level the equipment.

[0028] The outer periphery of the installation groove is provided with a plurality of adjusting bolts 23, and the connecting seat 21 is arranged in the installation groove and is locked by adjusting the adjusting bolts 23.

[0029] The lower end of the base 10 is provided with a plurality of leveling feet 11, the leveling feet 11 are provided with leveling bolts 12 and locking jacks 13, the leveling bolts 12 are threadedly connected with the leveling feet 11 and are fixed by the locking jacks 13.

[0030] The upper end of the leveling bolt 12 is threadedly connected with the leveling foot 11, and the lower end of the leveling bolt 12 is a conical structure. The base 10 adopts the conical leveling bolt 12, so that the height is adjustable, and the conical structure can increase the stability of the installation of the base 10 and prevent the base 10 from sliding.

[0031] The locking jacks 13 are used to fix the leveling bolts 12, so as to avoid instability caused by loosening of the leveling bolts 12 after height adjustment.

[0032] The base 10 is also provided with a plurality of rigid top beads 14, the upper end of the rigid top bead 14 passes through the base 10, is located in the installation groove and abuts against the connecting seat 21.

[0033] The rigid top bead 14, i.e. the ball head plunger or positioning bead, is provided with a spring inside the screw thread, the pre-tightening force is adjusted by controlling the screwing depth, and the positioning function is realized, the head is a ball, and the ball can roll in the body, so as to ensure that the connecting seat can slide more smoothly during adjustment in the installation groove.

[0034] The connecting seat 21 is provided with a plurality of connecting bolts 24, the lower end of the connecting bolt 24 is threadedly connected with the connecting seat 21, the connecting bolt 24 is provided with a fixing table 25, the mounting seat 22 passes through the connecting bolt 24 and is limited by the fixing table 25, and is fixed by the fixing nut 26 arranged at the upper end of the connecting bolt 24.

[0035] The fixing nut 26 and the mounting seat 22 are provided with a gasket 27 therebetween.

[0036] The gasket 27 is a polytetrafluoroethylene gasket.

[0037] The connecting seat 21, the mounting seat 22, the installation groove and the base 10 are all provided with corresponding centering holes. The centering holes provided on the connecting seat 21, the mounting seat 22, the installation groove and the base 10 are preliminarily centered, so as to save time for subsequent precise centering.

[0038] The mounting seat 22 is provided with a bubble level 28. The bubble level 28 arranged on the mounting seat 22 is used for preliminary leveling.

Claims

1. A non-mandatory centering precision pedestal, characterized by: The application relates to a floating base for total station, which comprises a base (10) and a floating platform (20), the base (10) is provided with a mounting groove, the lower end of the floating platform (20) is provided with a connecting seat (21), the connecting seat (21) is arranged in the mounting groove, the upper end of the base (10) is provided with a pressing ring (30), the connecting seat (21) is arranged in the mounting groove and is limited by the pressing ring (30), the upper end of the floating platform (20) is provided with a mounting seat (22), the mounting seat (22) is connected with a total station, and the inner diameter of the mounting groove is larger than the outer diameter of the connecting seat (21).

2. The non-mandatory centering precision pedestal according to claim 1, characterized in that, The outer periphery of the mounting groove is provided with a plurality of adjusting bolts (23), the connecting seat (21) is arranged in the mounting groove and is adjusted and locked by the adjusting bolts (23).

3. The non-mandatory centering precision pedestal according to claim 1, characterized in that, The lower end of the base (10) is provided with a plurality of leveling feet (11), the leveling feet (11) are provided with leveling bolts (12) and locking jacks (13), the leveling bolts (12) are threadedly connected with the leveling feet (11) and are fixed by the locking jacks (13).

4. The non-mandatory centering precision pedestal according to claim 3, characterized in that, The upper end of the leveling bolt (12) is threadedly connected with the leveling foot (11), and the lower end of the leveling bolt (12) is in a conical structure.

5. The non-mandatory centering precision pedestal according to claim 3, characterized in that, The base (10) is further provided with a plurality of rigid jacks (14), the upper end of the rigid jacks (14) penetrates through the base (10), is located in the mounting groove and abuts against the connecting seat (21).

6. The non-mandatory centering precision pedestal according to claim 5, characterized in that, The connecting seat (21) is provided with a plurality of connecting bolts (24), the lower end of the connecting bolts (24) is threadedly connected with the connecting seat (21), the connecting bolts (24) are provided with fixing tables (25), the mounting seat (22) penetrates through the connecting bolts (24), is limited by the fixing tables (25) and is fixed by the fixing nuts (26) arranged at the upper end of the connecting bolts (24).

7. The non-mandatory centering precision pedestal according to claim 6, characterized in that, The fixing nuts (26) and the mounting seat (22) are provided with gaskets (27).

8. The non-mandatory centering precision pedestal according to claim 7, characterized in that, The gaskets (27) are polytetrafluoroethylene gaskets.

9. The non-mandatory centering precision pedestal according to claim 1, characterized in that, The connecting seat (21), the mounting seat (22), the mounting groove and the base (10) are all provided with corresponding centering holes.

10. The non-mandatory centering precision pedestal according to claim 6, characterized in that, The mounting seat (22) is provided with a bubble level (28).

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