CN210198365U

CN210198365U - Novel composite level

Info

Publication number: CN210198365U
Application number: CN201921284444.7U
Authority: CN
Inventors: Yanchun Liu; 刘雁春; Yao Liu; 刘尧; Yulan Li; 李玉兰
Original assignee: Dalian Senbior Surveying Instrument Technology Co ltd
Current assignee: Dalian Senbior Surveying Instrument Technology Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-03-27
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a novel composite level, be equipped with the chi body, install levelling staff and height measurement ware on the chi body, the chi body and auxiliary stand, ruler pad and caster meet mutually, the chi body is met through the connecting piece by the upper segment chi body that the structure is the same and lower section chi body and forms, the levelling staff is the strip tape measure, upper segment chi body and lower section chi body are equipped with two curb plates of relative setting, be connected with the bottom plate perpendicularly between two curb plates, there are two preceding baffles of interval in the middle of the bottom plate front side is equipped with, the side of preceding baffle meets with the curb plate, the bottom plate, curb plate and preceding baffle constitute open-ended scale draw-in groove, the bottom of lower section chi body is equipped with the lower baffle with curb plate and bottom plate fixed connection, be fixed with scale top fixing device at upper segment chi body top, bottom at lower section chi body is fixed with scale bottom fixing device.

Description

Novel composite level

Technical Field

The utility model belongs to the technical field of geodetic survey and engineering survey, especially, relate to a conveniently carry, avoid the leveling staff to damage, can guarantee measurement accuracy and improve work efficiency's novel compound surveyor's level.

Background

The patent application number is 201220611636.6's chinese utility model patent discloses a "dual formula is surveyd and is used chi appearance unification composite level appearance" (hereinafter for short composite level), its structure is equipped with cylindricality chi body and surveyor's level, is fixed with the levelling rod parallel with cylindricality chi body axis and gliding observation unit from top to bottom on the same cylinder of cylindricality chi body, the observation unit has mutual fixed connection's other side height signal measurement ware and this side height signal measurement ware, and the sighting axis of other side height signal measurement ware is perpendicular with cylindricality chi body axis. During leveling, need arrange the lower extreme of the cylindricality chi body (levelling rod) in on the auxiliary ruler pad, need use the fixed cylindricality chi body of three-legged foot rest (levelling rod) simultaneously, through observing behind the leveling of the cylindricality chi body (levelling rod) such as surveyor's level, observe … … again. This patent application settles the surveyor's level on the levelling staff for the first time, has realized the integration of surveyor's level and levelling staff and has adopted dual observation principle, changes traditional leveling device's three-point configuration into two-point configuration, has realized the synchronous observation of dual system, has overcome the not enough that prior art exists. However, the above patent application still has the following disadvantages: (1) the foot rest, the leveling staff and the auxiliary ruler pad are arranged separately, and leveling is carried out after the foot rest, the leveling staff and the auxiliary ruler pad are combined after moving a station, so that the combination operation is time-consuming and labor-consuming, the working efficiency of leveling is influenced, the accuracy of continuous observation is influenced, and the leveling staff is damaged even in the combination process; (2) when the three-leg foot rest is used, the three-leg foot rest and the leveling staff form a four-point landing, and the balance and stable arrangement are difficult; when the ground height difference is large, the height of a height signal measuring device (a level gauge) is raised or lowered, and the height signal measuring device is limited by physical factors, so that the surveyor cannot aim and focus through an eyepiece; after the foot rest is arranged, the staff gauge cannot rotate relative to the foot rest (ground), and the alignment and aiming operation steps are difficult to coordinate, so that the operation cannot be carried out.

In order to overcome the defects, the Chinese utility model patent with the patent number of 201610350937.0 discloses a ruler and instrument integrated rapid leveling device, which solves the problems of integration and stable arrangement of a leveling instrument (height measuring instrument), a leveling staff, a foot rest and a ruler pad. However, the leveling staff related to the patent application is made of metal, plastic or wood and is fixedly installed on the staff body, and is divided into a straight ruler and a sliding staff, and the patent application still has the following defects in practice: (1) the ruler can not be folded, which brings inconvenience to carrying and carrying; the leveling instrument (height measuring instrument), the leveling instrument, the foot rest and the caster are fixedly connected to the ruler body with the leveling staff, the leveling staff can be damaged, the leveling staff deforms due to serious conditions, and the structure and the measuring precision of the composite leveling instrument are influenced; (2) though the sopwith staff portable, but need to dismantle other parts and just can contract the sopwith staff, do not solve the inconvenience that the dismantlement equipment brought for the surveyor, the measurement accuracy of sopwith staff is difficult to guarantee simultaneously, has greatly influenced composite level's practicality and work efficiency.

Disclosure of Invention

The utility model relates to a solve the above-mentioned technical problem that prior art exists, provide a conveniently carry, avoid the levelling rod to damage, can guarantee measurement accuracy and improve work efficiency's novel compound surveyor's level.

The technical solution of the utility model is that: the utility model provides a novel composite level, is equipped with the chi body, installs levelling staff and height measurement ware on the chi body, the chi body meets with auxiliary stand, ruler pad and caster, the chi body is formed by the upper segment chi body that the structure is the same and lower section chi body meet through the connecting piece, the levelling staff is the strip tape measure, upper segment chi body and lower section chi body are equipped with two curb plates of relative setting, are connected with the bottom plate perpendicularly between two curb plates, have two preceding baffles of interval in the middle of being equipped with of bottom plate front side, the side of preceding baffle meets with the curb plate, bottom plate, curb plate and preceding baffle constitute front opening's scale draw-in groove, are equipped with the lower baffle with curb plate and bottom plate fixed connection in the bottom of lower section chi body, are fixed with scale top fixing device at upper segment chi body top, are fixed with scale bottom fixing device in the bottom of lower section chi body.

The top end fixing device of the scale is provided with a pressure spring seat which is connected with the upper section of the scale body and is transversely arranged behind the bottom plate, a stand column which is arranged in the middle and a pressure spring which is arranged beside the stand column are fixed on the pressure spring seat, and a sliding block which is fixed with the upper end of the pressure spring is connected with the stand column in a sliding way.

The auxiliary support is provided with an opening annular base, a rectangular opening scale seat is rotatably connected to the inner side of the opening annular base through a vertical shaft, a top spring located on one side of the vertical shaft and a transverse top screw located on the other side of the vertical shaft and fixed on the opening annular base are arranged between the opening annular base and the rectangular opening scale seat, two transverse screws which are rotatably connected with the opening annular base and have orthogonal axes on the horizontal plane are uniformly distributed on the opposite surface of the opening annular base and the opening opposite surface of the opening annular base, an axial sliding block is sleeved on the transverse screws and is rotatably connected with the top end of a supporting leg, a telescopic device and a pedal are arranged on the supporting leg, and the rectangular opening scale seat is fixedly connected with a scale body.

The movable caster is provided with a caster frame connected with the lower-section ruler body through a first fixed connecting piece, and the two ends of the caster frame are rotatably connected with rollers.

The ruler pad is provided with a column-shaped cabin, a supporting rod is fixed on the column-shaped cabin, the top end of the supporting rod is a hemisphere, three supporting legs are uniformly distributed below the column-shaped cabin, and the ruler pad is connected with the lower ruler body through a second fixed connecting piece.

The utility model discloses based on the design theory of compound surveyor's level integration, structural split has been carried out leveling staff and chi body subversively for the leveling staff can adopt the strip tape measure, and the chi body can be folded the transport and can be in the measuring process again for stretching the ruler base of straight fixed strip tape measure. The utility model discloses not only avoided the harm to the levelling staff, conveniently folded moreover and carried and deposit, strengthened the stability and the practicality of compound surveyor's level simultaneously, improved work efficiency and measurement accuracy.

Drawings

Fig. 1, 2, 3, 4 and 5 are schematic structural diagrams of embodiments of the present invention.

Fig. 6 and 7 are schematic structural views of the auxiliary stand according to the embodiment of the present invention.

Fig. 8 is a schematic structural view of a caster according to an embodiment of the present invention.

Fig. 9 is a schematic structural view of a blade pad according to an embodiment of the present invention.

Detailed Description

Example 1:

the novel composite level of the utility model is shown in figures 1, 2, 3, 4 and 5. The ruler is provided with a ruler body 1, a leveling staff 2 and a height measuring device 3 are installed on the ruler body 1, the ruler body 1 is connected with an auxiliary support 4, a ruler pad 5 and a movable caster 6, the difference of the prior art is that the ruler body 1 is formed by connecting an upper ruler body and a lower ruler body which have the same structure through a connecting piece 7, and the connecting piece 7 can be any connecting piece which enables the upper ruler body and the lower ruler body to be separated or folded. At least one transition ruler body can be arranged between the upper ruler body and the lower ruler body, namely the ruler body 1 is composed of a plurality of sections of ruler bodies. The leveling staff 2 is a band tape, namely an indium steel band or a stainless steel band which is provided with scales on the surface and can be coiled into a coil or stretched; the upper ruler body and the lower ruler body are structurally provided with two side plates 1-1 which are oppositely arranged, a bottom plate 1-2 is vertically connected between the two side plates 1-1, two front baffle plates 1-3 with intervals in the middle are arranged on the front sides of the bottom plate 1-2, the side faces of the front baffle plates 1-3 are connected with the side plates 1-1, the bottom plate 1-2, the side plates 1-1 and the front baffle plates 1-3 form a ruler clamping groove 1-4 with a front opening (the interval between the two front baffle plates 1-3), and the size of the ruler clamping groove 1-4 ensures that the leveling staff 2 is conveniently placed in and taken out and is in a plane state after being placed in. The bottom end of the lower-section ruler body is provided with a lower baffle plate 23 fixedly connected with the side plate 1-1 and the bottom plate 1-2. The top of the upper ruler body is fixed with a ruler top fixing device 21, and the bottom of the lower ruler body is fixed with a ruler bottom fixing device 22, so that the leveling staff 2 can be stretched and fixed on the ruler body 1, and can be conveniently separated from the ruler body 1. The ruler top end fixing device 21 is preferably provided with a pressure spring seat 21-1 which is connected with the upper ruler body and is transversely arranged behind the bottom plate 1-2, a vertical column 21-2 which is arranged in the middle and a pressure spring 21-3 which is arranged beside the vertical column 21-2 are fixed on the pressure spring seat 21-1, and a slide block 21-4 which is connected with the vertical column 21-2 in a sliding way and is fixed with the upper end of the pressure spring 21-3. The horizontal position of the upper end of the bottom plate 1-2 is basically the same as the lower limit position of the sliding block 21-4, and the whole height of the bottom plate 1-2 can be shortened or a vertical opening is arranged at the upper end of the bottom plate 1-2. The scale bottom end fixing means 22 may be a screw or the like provided at the lower end of the base plate 1-2. The auxiliary support 4 is preferably provided with an open annular base 4-1 as shown in fig. 6 and 7, a rectangular open scale seat 4-3 is rotatably connected to the inner side of the open annular base 4-1 through a vertical shaft 4-2, and the rectangular open scale seat 4-3 is fixedly connected with the scale body 1. A top spring 4-4 positioned on one side of the vertical shaft 4-2 and a transverse jackscrew 4-5 positioned on the other side of the vertical shaft 4-2 and fixed on the open annular base 4-1 are arranged between the open annular base 4-1 and the rectangular open scale seat 4-3, two transverse screws 4-6 which are rotatably connected with the open annular base 4-1 and have axes orthogonal on the horizontal plane are uniformly distributed on the opposite surface of the open annular base 4-1 and the opening, an axial sliding block 4-7 is sleeved on the transverse screws 4-6, the axial sliding block 4-7 is rotatably connected with the top end of a supporting leg 4-8, and a telescopic device 4-9 and a pedal 4-10 are arranged on the supporting leg 4-8. The movable caster 6 is preferably, as shown in FIG. 8, provided with a caster frame 6-2 connected to the lower blade body through a first fixed connecting member 6-1, and rollers 6-3 rotatably connected to both ends of the caster frame 6-2. The ruler pad 5 is preferably provided with a column-shaped cabin 5-1 as shown in 9, a support rod 5-2 is fixed on the column-shaped cabin 5-1, the top end of the support rod 5-2 is a hemisphere 5-3, three support legs 5-4 are uniformly distributed below the column-shaped cabin 5-1, and the ruler pad 5 is connected with the bottom of the lower ruler body through a second fixed connecting piece 5-5.

The working process is as follows:

when the composite level is not used for field measurement, the ruler body 1, the leveling staff 2, the height measuring device 3 and the ruler pad 5 are required to be separately and independently stored, and the upper ruler body and the lower ruler body of the ruler body 1 can be stored in a split or folded mode. During measurement, an upper ruler body and a lower ruler body are assembled into a ruler body 1, the upper end of a leveling staff 2 is connected with a sliding block 21-4 of a staff upper end fixing device 21, the lower end of the leveling staff 2 is connected with a staff bottom end fixing device 22, the leveling staff 2 is in a stretched state, then the leveling staff 2 is arranged in a staff clamping groove 1-4, a ruler pad 5 is connected with the lower ruler body through a fixing connecting piece 5-5, finally a height measuring device 3 is fixedly arranged in the middle of the ruler body 1 through a mounting base, and leveling is conducted according to a leveling method of an existing composite level.

Claims

1. The utility model provides a novel compound surveyor's level is equipped with chi body (1), installs levelling staff (2) and height measurement ware (3) on chi body (1), chi body (1) meets its characterized in that with auxiliary stand (4), ruler pad (5) and caster (6): the leveling ruler comprises a ruler body (1) and a leveling staff body (2), wherein the ruler body (1) is formed by connecting an upper ruler body and a lower ruler body which are identical in structure through a connecting piece (7), the leveling staff body (2) is a strip tape, the upper ruler body and the lower ruler body are provided with two side plates (1-1) which are oppositely arranged, a bottom plate (1-2) is vertically connected between the two side plates (1-1), two front baffles (1-3) with intervals are arranged on the front side of the bottom plate (1-2), the side surfaces of the front baffles (1-3) are connected with the side plates (1-1), the bottom plate (1-2), the side plates (1-1) and the front baffles (1-3) form a clamping groove (1-4) with a front opening, and a lower baffle (23) fixedly connected with the side plates (1-1) and the bottom plate (1-2) is arranged at the bottom end of the lower, the top of the upper ruler body is fixed with a ruler top fixing device (21), and the bottom of the lower ruler body is fixed with a ruler bottom fixing device (22).

2. The novel composite level of claim 1, wherein: the ruler top end fixing device (21) is provided with a pressure spring seat (21-1) which is connected with the upper ruler body and is transversely arranged behind the bottom plate (1-2), a vertical column (21-2) which is arranged in the middle and a pressure spring (21-3) which is arranged beside the vertical column (21-2) are fixed on the pressure spring seat (21-1), and a sliding block (21-4) which is fixed with the upper end of the pressure spring (21-3) is connected with the vertical column (21-2) in a sliding way.

3. The novel composite level of claim 2, wherein: the auxiliary support (4) is provided with an open annular base (4-1), the inner side of the open annular base (4-1) is rotatably connected with a rectangular open scale seat (4-3) through a vertical shaft (4-2), a top spring (4-4) positioned on one side of the vertical shaft (4-2) and a transverse top thread (4-5) positioned on the other side of the vertical shaft (4-2) and fixed on the open annular base (4-1) are arranged between the open annular base (4-1) and the rectangular open scale seat (4-3), two transverse screws (4-6) which are rotatably connected with the open annular base (4-1) and have orthogonal axes on a horizontal plane are uniformly distributed on the opposite surface of the open annular base (4-1) and the opening, axial sliding blocks (4-7) are sleeved on the transverse screws (4-6), the axial sliding block (4-7) is rotatably connected with the top end of a supporting leg (4-8), a telescopic device (4-9) and a pedal (4-10) are arranged on the supporting leg (4-8), and the rectangular open scale seat (4-3) is fixedly connected with the scale body (1).

4. The novel composite level of claim 3, wherein: the movable caster (6) is provided with a caster frame (6-2) connected with the lower-section ruler body through a first fixed connecting piece (6-1), and rollers (6-3) are rotatably connected with the two ends of the caster frame (6-2).

5. The novel composite level of claim 4, wherein: the ruler pad (5) is provided with a column-shaped cabin (5-1), a supporting rod (5-2) is fixed on the column-shaped cabin (5-1), the top end of the supporting rod (5-2) is a hemisphere (5-3), three supporting legs (5-4) are uniformly distributed below the column-shaped cabin (5-1), and the ruler pad (5) is connected with a lower ruler body through a second fixed connecting piece (5-5).