CN219755760U - Real estate survey and drawing offset frame - Google Patents

Abstract

The utility model relates to the technical field of real estate mapping, in particular to a real estate mapping offset frame which comprises a support frame and a supporting table arranged on the support frame and used for bearing a measuring instrument, wherein a limiting and fixing structure for enabling the gravity center of the measuring instrument and the gravity center of the integral structure of the offset frame to be overlapped in a projection mode in the vertical direction is arranged on the supporting table. The utility model has the effect of preventing the center of gravity from being laterally deviated after the measuring instrument is arranged on the deviation frame.

Description

Real estate survey and drawing offset frame

Technical Field

The utility model relates to the technical field of real estate mapping, in particular to a real estate mapping offset frame.

Background

Real estate mapping is an important component of mapping discipline, mapping results of the real estate mapping are legal, theories, technologies and methods adopted by real estate mapping are basically the same as those of engineering surveying, when the measuring instrument is used for mapping real estate, the measuring instrument is required to be installed on the offset frame for measuring, but when the measuring instrument is fixed by the existing offset frame, the measuring instrument cannot be fixed at a position right above the center of gravity of the offset frame each time, so that the whole structure is laterally offset in center of gravity after the measuring instrument is installed, single-side offset moment is increased under the action of external force, support instability is caused, and mapping precision is affected.

Disclosure of Invention

In order to prevent the offset frame from being laterally deviated from the center of gravity of a measuring instrument arranged on the offset frame, the utility model provides a real estate mapping offset frame.

The utility model provides a real estate mapping offset frame which adopts the following technical scheme:

the utility model provides a real estate survey and drawing skew frame, includes the support frame with set up in be used for carrying the brace table of measuring apparatu on the support frame, be provided with the spacing fixed knot of focus and skew frame overall structure focus in vertical direction projection coincidence with the measuring apparatu on the brace table.

Through adopting above-mentioned technical scheme, through the spacing fixed knot who sets up constructs, offset frame overall structure's focus and measuring apparatu's focus in vertical direction projection coincidence for only change overall structure focus's height position after the offset frame installation measuring apparatu, thereby prevent the unilateral offset moment increase phenomenon that offset frame caused because of focus sideslip.

Optionally, the limiting and fixing structure comprises a regulating structure for controlling each degree of freedom of the measuring instrument, a driving structure for controlling the regulating structure to synchronously operate and limiting the measuring instrument and a locking structure for locking the limiting measuring instrument.

Through adopting above-mentioned technical scheme, the regulation and control structure of setting is in order to make each degree of freedom of measuring apparatu all obtain the restriction, and regulation and control structure can be synchronous through the synchronous control of regulation and control structure realization measuring apparatu each degree of freedom under the control of drive structure, makes the measuring apparatu spacing in the assigned position, later locks the measuring apparatu of accomplishing spacing indirectly or directly through locking structure, prevents to take place the skew after spacing.

Optionally, a plurality of sliding grooves are formed in the supporting table, the regulating structure comprises a sliding block which is connected in the sliding grooves in a sliding mode, a retaining plate is arranged on the sliding block and is tightly abutted to the measuring instrument, and the regulating structure and the measuring instrument are arranged at equal intervals.

Through adopting above-mentioned technical scheme, sliding block sliding connection is in the sliding tray, and at the in-process that the sliding block slided, the butt plate on it also synchronous motion to through butt plate tightly support the measuring apparatu, thereby through the multiunit realization to the spacing of measuring apparatu multi freedom.

Optionally, a limit groove which is arranged in the same direction as the slide groove is arranged on the side wall of the slide groove, a limit block is arranged on the slide block, and the limit block is in sliding connection with the limit groove.

Through adopting above-mentioned technical scheme, through setting up stopper and spacing groove for at the gliding in-process of sliding block, can play spacing and guide effect to the slip direction of sliding block through stopper and spacing groove.

Optionally, the supporting bench is internally provided with a containing cavity, the sliding groove is communicated with the containing cavity, the driving structure is arranged in the containing cavity and comprises racks arranged on the sliding block, a rotating gear is rotationally connected to the side wall of the containing cavity and coaxially arranged with a vertical line passing through the gravity center of the offset frame, the racks are identical in specification and meshed with the rotating gear, and a handle is arranged on the rotating gear and penetrates through the supporting bench and is partially arranged outside the containing cavity.

Through adopting above-mentioned technical scheme, be provided with the rack on the sliding block, each rack all meshes on rotating the rotation gear who connects at holding the chamber lateral wall, is provided with the handle on the rotation gear to rotate the handle through the control, drive each rack and slide along the sliding tray, the tight support of the board of keeping on the indirect realization sliding block and measuring apparatu, thereby realize the synchronous tight support of each board of keeping on, and at the in-process of tight support, push away the measuring apparatu to the assigned position.

Optionally, the locking structure includes a bolt screwed to the handle, and the bolt is detachably connected to the support table.

Through adopting above-mentioned technical scheme, with bolt threaded connection on the handle to can dismantle the connection with bolt and brace table, thereby realize the fixed of handle through the bolt, prevent that the handle from rotating, indirectly realize the fixed of board of keeping out.

Optionally, an annular groove with a convex section is formed in the supporting table, a nut is arranged in the annular groove, the nut is connected in the annular groove in a sliding mode, and the bolt is always connected in the nut in a threaded mode.

By adopting the technical scheme, the annular groove with the convex section is formed in the supporting table, the nut can be limited in the annular groove, meanwhile, the nut can slide annularly along the annular groove, the bolt is always in threaded connection with the nut, when the bolt and the nut directly or indirectly abut against the outer side of the supporting table, the handle is locked, and on the contrary, the synchronous rotation of the nut, the bolt and the handle can be realized.

Optionally, a limiting plate for limiting the moving range of each retaining plate is arranged on each rack.

Through adopting above-mentioned technical scheme, the restriction board of setting is in order to prevent the circumstances emergence that the rack breaks away from appears in the meshing in-process of rack and rotation gear.

In summary, the utility model at least comprises the following beneficial technical effects:

1. through the regulation and control structure and the driving structure, each of the retaining plates can synchronously approach and depart from the measuring instrument, and the measuring instrument can be pushed to a designated position through pushing and limiting of the multi-surface retaining plates, so that the whole lateral offset of the gravity center of the offset frame is avoided; 2. the locking structure that sets up makes the handle keep pivoted in-process to let bolt and nut threaded connection all the time through the annular circular slot to realize the distance between moment control bolt nut and the nut, in order to realize the change of locking state through the change of distance between.

Drawings

FIG. 1 is an overall diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of an assembly structure of a support table according to an embodiment of the present utility model;

fig. 3 is an exploded view of a support table assembly structure according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a support frame; 2. a support table; 3. a limit fixing structure; 4. a regulating structure; 41. a sliding groove; 42. a sliding block; 43. a retaining plate; 44. a limit groove; 45. a limiting block; 5. a driving structure; 51. a receiving chamber; 52. a rack; 53. rotating the gear; 54. a handle; 6. a locking structure; 61. a bolt; 62. a nut; 63. an annular groove; 7. and a limiting plate.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a real estate mapping offset frame. Referring to fig. 1 and 2, a real estate survey and drawing offset frame includes a triangular support frame 1 and a supporting table 2 arranged at the top end of the support frame 1 and used for bearing a measuring instrument, the supporting table 2 is disc-shaped and horizontally arranged, the measuring instrument is square box-shaped and is arranged at the center of the upper surface of the supporting table 2, the gravity center of the measuring instrument, the gravity center of the offset frame and the projection of the center of the offset frame in the vertical direction coincide, a limiting and fixing structure 3 is arranged on the supporting table 2, and comprises a regulating and controlling structure 4 for controlling the degree of freedom of the measuring instrument, a driving structure 5 for controlling the synchronous operation of the regulating and controlling structure 4 and limiting the measuring instrument and a locking structure 6 for locking the limited measuring instrument.

Referring to fig. 2 and 3, four groups of sliding grooves 41 are formed in the supporting table 2, each sliding groove 41 is perpendicular to four side surfaces of the measuring instrument, a limiting groove 44 formed in the same direction as the sliding groove 41 is formed in the side wall of each sliding groove 41, a containing cavity 51 is formed in the supporting table 2, and the sliding grooves 41 are communicated with the containing cavity 51; the regulating structure 4 comprises a sliding block 42 which is in sliding connection with the sliding groove 41, a limiting block 45 is fixedly arranged on the sliding block 42, the limiting block 45 is in sliding connection with the limiting groove 44, a retaining plate 43 is arranged on the sliding block 42, the retaining plate 43 is tightly abutted to the measuring instrument, and the regulating structure 4 and the measuring instrument are equidistantly arranged.

The driving structure 5 is arranged in the accommodating cavity 51, the driving structure 5 comprises racks 52 fixedly arranged on the sliding block 42, the racks 52 are horizontally arranged, limiting plates 7 are arranged at two ends of each rack 52, a rotating gear 53 is rotatably connected to the upper surface of the accommodating cavity 51, the rotating gear 53 is coaxially arranged with a vertical line passing through the gravity center of the offset frame, each rack 52 has the same specification and is meshed with the rotating gear 53, the four racks 52 are divided into two groups, the two groups of racks 52 are arranged in a staggered mode along the axis direction of the rotating gear 53, and the two racks 52 in each group are opposite to each other, wherein one group of racks 52 is positioned above the other group of racks 52. A handle 54 is coaxially and fixedly arranged at one end of the rotating gear 53 far away from the measuring instrument, and the handle 54 penetrates through the supporting table 2 and is arranged outside the accommodating cavity 51.

The locking structure 6 comprises a bolt 61 which is connected to the handle 54 in a threaded manner, an annular groove 63 with a convex cross section is formed in the supporting table 2, a nut 62 is arranged in the annular groove 63, the nut 62 is connected in the annular groove 63 in a sliding manner, the bolt 61 is always connected in the nut 62 in a threaded manner, and the nut 62 is vertically arranged on the bolt 61; during rotation of the belt nut 62, the center of gravity of the handle 54 always coincides with the projection of the center of gravity of the offset frame in the vertical direction.

The implementation principle of the real estate mapping offset frame provided by the embodiment of the utility model is as follows: after the position of the support frame 1 is adjusted, the measuring instrument is placed between the abutment plates 43, the handle 54 is manually rotated, the handle 54 drives the rotating gear 53 to rotate, the abutment plates 43 are indirectly and synchronously abutted against the sides of the measuring instrument through the transmission of the rack 52, and in the process of pushing the measuring instrument, the distance measuring instrument is pushed to a preset position.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a real estate survey and drawing skew frame, includes support frame (1) and set up in be used for bearing the supporting bench (2) of measuring apparatu on support frame (1), its characterized in that: the supporting table (2) is provided with a limiting and fixing structure (3) for projecting and overlapping the gravity center of the measuring instrument and the gravity center of the whole structure of the offset frame in the vertical direction.

2. A real estate mapping offset rack according to claim 1, characterized in that: the limiting and fixing structure (3) comprises a regulating and controlling structure (4) for controlling each degree of freedom of the measuring instrument, a driving structure (5) for controlling the regulating and controlling structure (4) to synchronously operate and limiting the measuring instrument and a locking structure (6) for locking the limiting measuring instrument.

3. A real estate mapping offset rack according to claim 2, characterized in that: a plurality of sliding grooves (41) are formed in the supporting table (2), the regulating and controlling structures (4) comprise sliding blocks (42) which are connected in the sliding grooves (41) in a sliding mode, a retaining plate (43) is arranged on each sliding block (42), the retaining plate (43) is tightly abutted to the measuring instrument, and all the regulating and controlling structures (4) are arranged with the measuring instrument at equal intervals.

4. A real estate mapping offset rack according to claim 3, characterized in that: limiting grooves (44) formed in the same direction with the sliding grooves (41) are formed in the side walls of the sliding grooves (41), limiting blocks (45) are arranged on the sliding blocks (42), and the limiting blocks (45) are in sliding connection with the limiting grooves (44).

5. A real estate mapping offset rack according to claim 3, characterized in that: the utility model discloses a support platform, including supporting bench (2), including support platform, sliding tray (41) are installed in supporting bench (2), hold chamber (51) have been seted up in supporting bench (2), sliding tray (41) with hold chamber (51) and communicate with each other, drive structure (5) set up in hold in chamber (51), drive structure (5) including set up in rack (52) on slider (42), in rotate on the lateral wall that holds chamber (51) and be connected with rotation gear (53), rotation gear (53) with pass the coaxial setting of offset frame centrobaric vertical line, each rack (52) specification the same and with rotation gear (53) mesh, be provided with handle (54) on rotation gear (53), handle (54) run through supporting bench (2) and part are arranged in hold outside chamber (51).

6. The real estate mapping offset rack of claim 5 wherein: the locking structure (6) comprises a bolt (61) which is connected to the handle (54) in a threaded manner, and the bolt (61) is detachably connected with the supporting table (2).

7. The real estate mapping offset rack of claim 6 wherein: an annular groove (63) with a convex section is formed in the supporting table (2), a nut (62) is arranged in the annular groove (63), the nut (62) is connected in the annular groove (63) in a sliding mode, and the bolt (61) is connected in the nut (62) in a threaded mode all the time.

8. The real estate mapping offset rack of claim 5 wherein: a limiting plate (7) for limiting the movement range of each retaining plate (43) is arranged on each rack (52).