CN219389256U - Tripod for railway measurement - Google Patents

Abstract

The utility model discloses a tripod for railway measurement, which relates to the technical field of railway measurement and comprises a supporting disc, wherein the bottom end of the supporting disc is provided with a supporting component, the middle part of the top end of the supporting disc is rotationally connected with a rotating shaft through a bearing, the top end of the rotating shaft is fixedly provided with a mounting disc, the bottom of the mounting disc is provided with a rotation limiting component, the top end of the mounting disc is fixedly provided with a supporting seat, two sides of the supporting seat are both in sliding connection with two movable columns, and one end of each two corresponding movable columns is fixedly provided with a limiting plate, so that the tripod has the beneficial effects that: the position of the measuring instrument placed can be limited under the action of the limiting spring through the two limiting plates which are arranged in a sliding mode, meanwhile, the supporting seat is rotationally connected with the supporting disc through the rotating shaft, the measuring direction of the measuring instrument can be adjusted, and the position of the adjusted supporting seat can be limited through the rotating limiting assembly.

Description

Tripod for railway measurement

Technical Field

The utility model relates to a tripod, in particular to a tripod for railway measurement, and belongs to the technical field of railway measurement.

Background

The tripod is used for fixing measuring equipment in the railway measurement process, the measuring instrument is more stable in the use process through the auxiliary effect of the tripod, and in the actual use process, the measuring instruments such as the level gauge, the theodolite and the total station are all required to be used;

the tripod for railway measurement with high stability disclosed in application number CN201821490818.6 is also an increasingly mature technology, and comprises a central supporting rod, a supporting rod A and a lower telescopic rod, wherein a fixing frame is arranged on the central supporting rod, a mounting seat is supported on the fixing frame, a lower telescopic rod is arranged below the central supporting rod, a main ground fork is screwed at the bottom of the lower telescopic rod, a fixing block is sleeved outside the bottom end of the central supporting rod, three groups of fixing pins are respectively arranged at equal angles outside the fixing block, a supporting rod A, a supporting rod B and a supporting rod C are respectively hinged to the three groups of fixing pins, a first sleeve is respectively sleeved on the supporting rod A, the supporting rod B and the supporting rod C, a second sleeve is sleeved in the middle of the lower telescopic rod, and a telescopic rod is connected between the second sleeve and the first sleeve. The tripod for railway measurement with high stability has reasonable overall structure, increases the ground grabbing structure of the tripod, is firmly installed, improves the stability of the tripod, ensures the stable measurement and improves the working efficiency;

however, the tripod has the following defects in practical use: the position of the measuring instrument cannot be limited when the measuring instrument is placed, the movement of the measuring instrument is easy to cause, and the whole position of the tripod of the measuring instrument needs to be adjusted when the measuring direction of the measuring instrument needs to be changed, so that the operation is complex.

Disclosure of Invention

The utility model aims to provide a tripod for railway measurement, which solves the problem that the position of a measuring instrument is inconvenient to limit in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tripod for railway measurement, includes the supporting disk, the bottom of supporting disk is equipped with supporting component, the middle part on supporting disk top is connected with the axis of rotation through the bearing rotation, the top of axis of rotation is fixed to be equipped with the mounting disc, the bottom of mounting disc is equipped with rotates spacing subassembly, the fixed supporting seat that is equipped with in top of mounting disc, the equal sliding connection in both sides of supporting seat has two movable columns, every two corresponding the one end of movable column is all fixed and is equipped with the limiting plate, two the one side of limiting plate is all fixed and is equipped with spacing spring, two spacing spring's one end respectively with the both sides fixed connection of supporting seat.

Preferably, the support assembly comprises a center column, a movable ring, three rotating seats and three support columns, wherein the center column is fixedly arranged in the middle of the bottom end of the support disc, the movable ring is slidably arranged on the surface of the center column, three first hinging seats are fixedly arranged on the surface of the movable ring, the rotating seats are fixedly arranged at the bottom end of the support disc, the rotating seats are respectively and rotatably connected with the top ends of the three support columns, second hinging seats are fixedly arranged at the bottoms of the support columns, the second hinging seats are respectively and rotatably connected with one ends of the three connecting frames, and the other ends of the connecting frames are respectively and rotatably connected with the three first hinging seats.

Preferably, a limiting disc is fixedly arranged at the bottom end of the central column.

Preferably, the bottom ends of the three support columns are fixedly provided with anti-skid sleeves.

Preferably, rotate spacing subassembly includes eight mounting brackets, spacing seat and four spacing screw rods, eight the mounting bracket is fixed to be set up in the top of mounting disc, the fixed one end that sets up at eight mounting brackets of spacing seat, annular spacing groove has been seted up on the surface of spacing seat, four the fixed bottom that sets up at the mounting disc of spacing screw rod, four spacing screw rod respectively with spacing groove sliding fit, four equal threaded connection in bottom of spacing screw rod has fixation nut.

Preferably, two moving grooves are formed in two sides of the supporting seat, and four moving grooves are respectively in sliding fit with four moving columns.

Preferably, the two sides of the four moving grooves are provided with sliding grooves, the two sides of one end of the four moving columns are fixedly provided with sliding blocks, and the eight sliding blocks are respectively and slidably connected with the eight sliding grooves.

Compared with the related art, the tripod for railway measurement provided by the utility model has the following beneficial effects:

1. the two limiting plates which are arranged in a sliding manner can limit the position of a placed measuring instrument under the action of the limiting spring, meanwhile, the supporting seat is rotationally connected with the supporting disc through the rotating shaft, the measuring direction of the measuring instrument can be adjusted, and the position of the adjusted supporting seat can be limited through the arranged rotating limiting assembly;

2. the supporting component can stably support the supporting disc and the placing seat, and can be folded when not used, so that occupied space is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the bottom structure of the present utility model;

FIG. 3 is an enlarged schematic view of the support assembly of the present utility model;

FIG. 4 is an enlarged schematic view of a rotational stop assembly according to the present utility model;

FIG. 5 is a schematic view of a support base according to the present utility model;

fig. 6 is a schematic structural view of the limiting plate of the present utility model.

In the figure: 1. a support plate; 2. a support assembly; 201. a center column; 202. a moving ring; 203. a first hinge base; 204. a rotating seat; 205. a support column; 206. the second hinge seat; 207. a connecting frame; 208. a limiting disc; 3. a rotating shaft; 4. a mounting plate; 5. a support base; 501. a moving groove; 502. a chute; 6. a rotation limiting assembly; 601. a mounting frame; 602. a limit seat; 603. a limit groove; 604. a limit screw; 605. a fixing nut; 7. a limiting plate; 8. a limit spring; 9. a moving column; 10. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-6, the utility model provides a tripod for railway measurement, which comprises a supporting disc 1, wherein the bottom end of the supporting disc 1 is provided with a supporting component 2, the middle part of the top end of the supporting disc 1 is rotationally connected with a rotating shaft 3 through a bearing, the top end of the rotating shaft 3 is fixedly provided with a mounting disc 4, the bottom of the mounting disc 4 is provided with a rotation limiting component 6, the top end of the mounting disc 4 is fixedly provided with a supporting seat 5, two sides of the supporting seat 5 are both slidably connected with two movable columns 9, one end of each two corresponding movable columns 9 is fixedly provided with a limiting plate 7, one side of each of the two limiting plates 7 is fixedly provided with a limiting spring 8, and one ends of the two limiting springs 8 are respectively fixedly connected with two sides of the supporting seat 5;

two moving grooves 501 are formed in two sides of the supporting seat 5, and the four moving grooves 501 are respectively in sliding fit with the four moving columns 9;

sliding grooves 502 are formed in two sides of the four moving grooves 501, sliding blocks 10 are fixedly arranged on two sides of one end of each of the four moving columns 9, and eight sliding blocks 10 are respectively connected with the eight sliding grooves 502 in a sliding mode;

the support assembly 2 comprises a center column 201, a movable ring 202, three rotating seats 204 and three support columns 205, wherein the center column 201 is fixedly arranged in the middle of the bottom end of the support disc 1, the movable ring 202 is slidably arranged on the surface of the center column 201, three first hinging seats 203 are fixedly arranged on the surface of the movable ring 202, the three rotating seats 204 are fixedly arranged at the bottom end of the support disc 1, the three rotating seats 204 are respectively and rotatably connected with the top ends of the three support columns 205, second hinging seats 206 are respectively and fixedly arranged at the bottoms of the three support columns 205, the three second hinging seats 206 are respectively and rotatably connected with one ends of three connecting frames 207, and the other ends of the three connecting frames 207 are respectively and rotatably connected with the three first hinging seats 203;

a limiting disc 208 is fixedly arranged at the bottom end of the central column 201;

the bottom ends of the three support columns 205 are fixedly provided with anti-skid sleeves;

specifically, as shown in fig. 1, 2 and 3, the tripod is first carried to a designated position, then the position of the moving ring 202 is adjusted to move to the bottom end of the center column 201, and the three support columns 205 are driven to rotate around the rotation seat 204 under the action of the hinged three connecting frames 207, so that the tripod forms a stable triangle shape, and the support disc 1 is stably supported.

Example 2:

the rotation limiting assembly 6 comprises eight mounting frames 601, a limiting seat 602 and four limiting screws 604, wherein the eight mounting frames 601 are fixedly arranged at the top end of the mounting plate 4, the limiting seat 602 is fixedly arranged at one end of the eight mounting frames 601, annular limiting grooves 603 are formed in the surface of the limiting seat 602, the four limiting screws 604 are fixedly arranged at the bottom end of the mounting plate 4, the four limiting screws 604 are respectively in sliding fit with the limiting grooves 603, and fixing nuts 605 are connected to the bottoms of the four limiting screws 604 in a threaded mode;

specifically, as shown in fig. 1, 2 and 4, when the measurement direction of the measuring instrument needs to be adjusted, the fixing nut 605 is unscrewed first, the direction of the supporting seat 5 is adjusted through the running fit of the rotating shaft 3 and the supporting disc 1, so that the measurement direction of the measuring instrument is adjusted, the four limit screws 604 are driven to slide in the limit grooves 603 in the rotating process of the supporting seat 5, the rotation of the supporting seat 5 is guided, the fixing nut 605 is screwed after the adjustment is completed, and the position of the supporting seat 5 is limited.

Working principle: when the device is used, the tripod is carried to a designated position, the position of the movable ring 202 is adjusted, the tripod is moved to the bottom end of the central column 201, the three support columns 205 are driven to rotate by taking the rotating seat 204 as an axle center under the action of the hinged three connecting frames 207, the tripod is formed into a stable triangular shape, the support disc 1 is stably supported, the two limiting plates 7 are pulled outwards, the two limiting plates 7 are driven to move under the sliding fit of the movable column 9 and the movable groove 501, the two limiting springs 8 are in a stretched state, then the measuring instrument is placed at the top end of the supporting seat 5, the two limiting plates 7 are loosened, the two limiting plates 7 can limit the two sides of the measuring instrument under the elastic action of the limiting springs 8, when the measuring direction of the measuring instrument is required to be adjusted, the fixing nut 605 is loosened, the direction of the supporting seat 5 is adjusted through the rotating shaft 3 and the rotating fit of the supporting disc 1, the four limiting screws 604 are driven to slide in the inside the limiting groove 603 in the rotating process of the supporting seat 5, the supporting seat 605 is driven to rotate in the inner part of the limiting groove 603, and the guiding seat 5 is tightly adjusted, and the position of the fixing seat 5 is limited after the fixing of the supporting seat is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a tripod for railway measurement, includes supporting disk (1), its characterized in that, the bottom of supporting disk (1) is equipped with supporting component (2), the middle part on supporting disk (1) top is connected with axis of rotation (3) through the bearing rotation, the top of axis of rotation (3) is fixed to be equipped with mounting disc (4), the bottom of mounting disc (4) is equipped with rotation spacing subassembly (6), the fixed supporting seat (5) that is equipped with in top of mounting disc (4), the equal sliding connection in both sides of supporting seat (5) has two movable columns (9), every two corresponding the one end of movable column (9) is all fixed and is equipped with limiting plate (7), two limiting spring (8) are all fixed to one side of limiting plate (7), two the one end of limiting spring (8) respectively with the both sides fixed connection of supporting seat (5).

2. A tripod for railway measurement according to claim 1, wherein: the support assembly (2) comprises a center column (201), a movable ring (202), three rotating seats (204) and three supporting columns (205), wherein the center column (201) is fixedly arranged in the middle of the bottom end of a support disc (1), the movable ring (202) is slidably arranged on the surface of the center column (201), three first hinging seats (203) are fixedly arranged on the surface of the movable ring (202), the three rotating seats (204) are fixedly arranged at the bottom end of the support disc (1), the three rotating seats (204) are respectively connected with the top ends of the three supporting columns (205) in a rotating mode, second hinging seats (206) are fixedly arranged at the bottoms of the three supporting columns (205), the three second hinging seats (206) are respectively connected with one ends of three connecting frames (207) in a rotating mode, and the other ends of the connecting frames (207) are respectively connected with the three first hinging seats (203) in a rotating mode.

3. A tripod for railway measurement according to claim 2, wherein: and a limiting disc (208) is fixedly arranged at the bottom end of the central column (201).

4. A tripod for railway measurement according to claim 2, wherein: the bottom of three support column (205) is all fixed and is equipped with antiskid cover.

5. A tripod for railway measurement according to claim 1, wherein: the utility model discloses a rotary limiting assembly (6) is characterized by comprising eight mounting brackets (601), a limiting seat (602) and four limiting screws (604), wherein eight the mounting brackets (601) are fixedly arranged at the top end of a mounting plate (4), the limiting seat (602) is fixedly arranged at one end of the eight mounting brackets (601), annular limiting grooves (603) are formed in the surface of the limiting seat (602), four the limiting screws (604) are fixedly arranged at the bottom end of the mounting plate (4), four the limiting screws (604) are respectively in sliding fit with the limiting grooves (603), and fixing nuts (605) are connected to the bottoms of the limiting screws (604) in a threaded mode.

6. A tripod for railway measurement according to claim 1, wherein: two moving grooves (501) are formed in two sides of the supporting seat (5), and four moving grooves (501) are respectively in sliding fit with four moving columns (9).

7. A tripod for railway measurements according to claim 6, wherein: sliding grooves (502) are formed in two sides of each of the four movable grooves (501), sliding blocks (10) are fixedly arranged on two sides of one end of each of the four movable columns (9), and eight sliding blocks (10) are respectively connected with the eight sliding grooves (502) in a sliding mode.