CN212052137U

CN212052137U - Refitting device for total station prism frame in railway center line measurement

Info

Publication number: CN212052137U
Application number: CN202020488474.6U
Authority: CN
Inventors: 吕勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-12-01
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a refitting device of a prism frame of a total station instrument in railway center line measurement, which comprises a ranging rod body, wherein a crosshead is integrally and vertically fixed at the inner side of the front end of the ranging rod body, and a measuring head is fixedly arranged below the crosshead; the support ruler body is provided with a prism detection device, and sliding grooves are formed in two sides of the middle end of the support ruler body; prism detection device includes slide, propelling movement pole supporting seat and prism base, and the slide cover has seted up the internal thread hole in the spout of ranging rod body, the side of slide to install the leveling bottom plate additional in the upper end of slide, the spirit level is installed to the upper end of leveling bottom plate, and installs the prism additional in the upper end of prism base. The refitting device of the prism frame of the total station in the railway center line measurement is provided with the insulating device, thereby favorably avoiding the current short circuit phenomenon on two steel rails and accurately measuring the position of the railway center line.

Description

Refitting device for total station prism frame in railway center line measurement

Technical Field

The utility model relates to a railway construction instrument technical field specifically is repacking device of total powerstation prism frame in the railway line survey.

Background

The existing total station prism frame is composed of a telescopic tripod made of an aluminum alloy material, a frame head, a leveling bubble and other components, in the measuring process, a center rod of the tripod is placed on a measured point, the leveling bubble is adjusted to be centered, and at the moment, the total station can measure the coordinate of the measured point to complete the measuring task. When the existing prism frame is used for measuring on an existing railway line, the position of a center line of the railway line cannot be accurately found, and the measurement precision and the measurement efficiency are influenced; secondly, the existing prism frame is made of aluminum alloy and is easy to conduct electricity, low-voltage direct current is arranged on two steel rails of a railway, current short circuit on the two steel rails is easy to cause when the prism frame is measured on a railway line, railway signal errors occur, and the train cannot run according to normal signals.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a repacking device of total powerstation prism frame among railway line survey, have the accurate railway line position of finding of being convenient for, can avoid the electric current short circuit phenomenon on two strands of rails, and can freely load and unload, easy dismounting's advantage has been solved among the prior art current prism frame and has been the aluminum alloy material, and easy electrically conductive electric current short circuit that causes on two strands of rails and then railway signal error appears, the unable accurate problem of finding railway line's center line position.

In order to achieve the above object, the utility model provides a following technical scheme: the refitting device for the total station prism frame in railway center line measurement comprises a ranging rod body, wherein a crosshead is integrally and vertically fixed on the inner side of the front end of the ranging rod body, and a measuring head is fixedly installed below the crosshead; the support ruler body is provided with a prism detection device, and sliding grooves are formed in two sides of the middle end of the support ruler body; the prism detection device comprises a sliding seat, a push rod supporting seat and a prism base, wherein the sliding seat is sleeved in a sliding groove of the ranging ruler body, an internal threaded hole is formed in the side end of the sliding seat, a leveling bottom plate is additionally arranged at the upper end of the sliding seat, and four sides of the leveling bottom plate are fixedly installed on the sliding seat by adopting height-adjusting screw rods; the prism base is fixedly arranged at the upper end of the leveling bottom plate, a level gauge is arranged at the upper end of the leveling bottom plate, and a prism is arranged at the upper end of the prism base; the upper end of push rod supporting seat is fixed to be equipped with the push rod positioning seat additional, and the side of push rod positioning seat is equipped with the roll adjustment screw rod additional to at push rod positioning seat and the relative one side of slide install axle sleeve A additional, slide and the adjacent one side of push rod positioning seat install axle sleeve B additional, axle sleeve A cup joints in axle sleeve B, and the roll adjustment screw rod passes the push rod positioning seat and connects soon in the interior screw hole of the side of slide.

Preferably, a left rubber seat is fixedly bonded at the bottom end of the supporting ruler body on the inner side of the crosshead, and a left metal sliding plate is mounted on the inner side of the left rubber seat; the opposite side bottom of ranging rod body is equipped with right rubber seat, and right metal slide is installed to the inboard of right rubber seat.

Preferably, left metal slide and right metal slide all with the ranging rod body parallel and level, and left metal slide is the same with right metal slide height.

Preferably, the distance rod body is equally divided into five sections according to the length, the sections a, b, c, d and e are respectively marked from the side of the crosshead to the other side, and the sliding groove is positioned in the section c.

Preferably, when the shaft sleeve A and the shaft sleeve B are completely sleeved together, the front end of the distance adjusting screw rod is located at the middle end of the sliding seat.

Compared with the prior art, the beneficial effects of the utility model are as follows:

according to the refitting device for the total station prism frame in railway center line measurement, when the ranging rod body is erected on two steel rails, the two steel rails cannot be conducted due to connection of the erected aluminum ranging rod body under the insulating isolation effect of the left rubber seat and the right rubber seat, and the current short circuit phenomenon on the two steel rails is favorably avoided; when the position of a middle point is measured, firstly, a support ruler body is erected on two steel rails, a section c is placed on the central lines of the two steel rails through visual observation, a leveling bottom plate is leveled by rotating a heightening screw rod, when light is reflected in the same medium according to a reflection law and a refraction law of the light, the reflection angle and the incident angle of the prism are equal, whether the light is on the central line can be measured according to feedback light, when the light is not on the central line, a deviation can be obtained, the position of a sliding seat in a sliding groove is adjusted according to the deviation until the central line of the two steel rails is measured by the prism; the whole self-contained insulating device is beneficial to avoiding the phenomenon of current short circuit on two steel rails and accurately measuring the position of the central line of the railway.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the prism detection device of the present invention;

FIG. 3 is a state diagram of the present invention for installing the distance adjusting screw;

fig. 4 is a partial sectional view of the distance rod body of the present invention;

fig. 5 is a schematic structural view of the slide seat of the present invention.

In the figure: 1. a distance ruler body; 2. a crosshead; 3. a measuring head; 4. a prism detection device; 5. a chute; 7. A slide base; 8. a push rod supporting seat; 9. a prism base; 10. an internally threaded bore; 11. leveling the bottom plate; 12. adjusting the height of the screw rod; 13. a level gauge; 14. a prism; 15. a push rod positioning seat; 16. adjusting the pitch of the screw rod; 17. a shaft sleeve A; 18. a shaft sleeve B; 19. a left rubber seat; 20. a left metal slide plate; 21. a right rubber seat; 22. and (4) a right metal sliding plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the device for modifying a total station prism frame in railway centerline measurement comprises a ranging rod body 1, a crosshead 2 is integrally and vertically fixed on the inner side of the front end of the ranging rod body 1, a measuring head 3 is fixedly installed below the crosshead 2, a left rubber seat 19 is fixedly bonded at the bottom end of the ranging rod body 1 on the inner side of the crosshead 2, and a left metal sliding plate 20 is installed on the inner side of the left rubber seat 19; the bottom end of the other side of the ranging rod body 1 is provided with a right rubber seat 21, the inner side of the right rubber seat 21 is provided with a right metal sliding plate 22, the left metal sliding plate 20 and the right metal sliding plate 22 are both parallel to the ranging rod body 1, and the left metal sliding plate 20 and the right metal sliding plate 22 are the same in height and used for ensuring the levelness of the measuring instrument after installation; the prism detection device 4 is arranged on the ranging ruler body 1, the ranging ruler body 1 is divided into five sections according to the length, the five sections are respectively marked as a section a, a section b, a section c, a section d and a section e from the side of the crosshead 2 to the other side, the sliding groove 5 is positioned in the section c, and the sliding groove 5 is formed in two sides of the section c of the ranging ruler body 1; the prism detection device 4 comprises a sliding seat 7, a push rod supporting seat 8 and a prism base 9, the sliding seat 7 is sleeved in a sliding groove 5 of the ranging rod body 1, an internal threaded hole 10 is formed in the side end of the sliding seat 7, a leveling bottom plate 11 is additionally arranged at the upper end of the sliding seat 7, and four sides of the leveling bottom plate 11 are fixedly installed on the sliding seat 7 through heightening screw rods 12; the prism base 9 is fixedly and additionally arranged at the upper end of the leveling bottom plate 11, the leveling instrument 13 is arranged at the upper end of the leveling bottom plate 11, and the prism 14 is additionally arranged at the upper end of the prism base 9; fixed push rod positioning seat 15 that is equipped with additional in push rod supporting seat 8's upper end, push rod positioning seat 15's side is equipped with roll adjustment screw 16 additional, and install axle sleeve A17 additional in push rod positioning seat 15 and the relative one side of slide 7, slide 7 is equipped with axle sleeve B18 with the adjacent one side of push rod positioning seat 15 additional, axle sleeve A17 cup joints in axle sleeve B18, axle sleeve A17 cup joints together with axle sleeve B18 completely, the front end of roll adjustment screw 16 is located the middle-end of slide 7, roll adjustment screw 16 passes push rod positioning seat 15 and connects soon in the downthehole 10 of the side of internal thread slide 7.

According to the refitting device of the total station prism frame in railway center line measurement, the lower ends of two sides of the ranging rod body 1 are respectively provided with the left rubber seats 19 for isolating the left metal sliding plate 20 from the ranging rod body 1, and the right rubber seats 21 for isolating the right metal sliding plate 22 from the ranging rod body 1, when the ranging rod body 1 is erected on two steel rails, the left rubber seats 19, namely the right rubber seats 21, have an insulating and isolating effect, the two steel rails cannot be conducted due to connection of the erected aluminum ranging rod body 1, the short-circuit phenomenon on the two steel rails is favorably avoided, and the railway potential safety hazard which cannot occur is avoided; the sliding chute 5 is arranged at the c section of the ranging rod body 1, the prism detection device 4 is arranged on the sliding chute 5, when the midpoint position is measured, the ranging rod body 1 is firstly erected on two steel rails, the c section is arranged on the central line of the two steel rails through naked eyes, the four heights of the leveling bottom plate 11 are adjusted by rotating the heightening screw 12, whether the bubble of the leveling instrument 13 is in the central position is observed, when the bubble is in the central position, the prism 14 is opened, when the light is reflected in the same medium according to the reflection law and the refraction law of the light, the reflection angle and the incidence angle are equal, the light is arranged into the other medium from two medium planes vertical to one medium plane, the reflection cannot occur, the deviation can be obtained through the fed back light, the distance adjusting screw 16 is rotated according to the deviation, the sliding seat 7 slides in the sliding chute 5, and the fine adjustment of the position of the prism 14 is realized, until the central lines of the two steel rails of the prism 14 are positioned; the whole self-contained insulating device is beneficial to avoiding the phenomenon of current short circuit on two steel rails and accurately measuring the position of the central line of the railway.

In summary, the following steps: according to the refitting device of the total station prism frame in railway center line measurement, when the ranging rod body 1 is erected on two steel rails, the two steel rails cannot be conducted due to the connection of the erected aluminum ranging rod body 1 under the insulating isolation effect of the left rubber seat 19 and the right rubber seat 21, and the current short circuit phenomenon on the two steel rails is favorably avoided; when the position of a middle point is measured, firstly, a support ruler body 1 is erected on two steel rails, a section c is placed on the central line of the two steel rails through visual observation, a leveling bottom plate 11 is leveled by rotating a leveling screw 12, a prism 14 reflects light in the same medium according to the reflection law and the refraction law of the light, the reflection angle and the incidence angle of the prism are equal, whether the light is on the central line can be measured according to the fed back light, when the light is not on the central line, a deviation can be obtained, the position of a sliding seat 7 in a sliding groove 5 is adjusted according to the deviation until the prism 14 measures the position of the central line of the two steel rails; the whole self-contained insulating device is beneficial to avoiding the phenomenon of current short circuit on two steel rails and accurately measuring the position of the central line of the railway.

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

Claims

1. The refitting device of the total station prism frame in railway center line measurement comprises a ranging rod body (1) and is characterized in that: a crosshead (2) is integrally and vertically fixed on the inner side of the front end of the supporting ruler body (1) and a measuring head (3) is fixedly installed below the crosshead (2); the support ruler body (1) is provided with a prism detection device (4), and sliding grooves (5) are formed in two sides of the middle end of the support ruler body (1); the prism detection device (4) comprises a sliding seat (7), a push rod supporting seat (8) and a prism base (9), the sliding seat (7) is sleeved in a sliding groove (5) of the ranging rod body (1), an internal threaded hole (10) is formed in the side end of the sliding seat (7), a leveling bottom plate (11) is additionally arranged at the upper end of the sliding seat (7), and four sides of the leveling bottom plate (11) are fixedly installed on the sliding seat (7) through heightening screws (12); the prism base (9) is fixedly arranged at the upper end of the leveling bottom plate (11), a level gauge (13) is arranged at the upper end of the leveling bottom plate (11), and a prism (14) is arranged at the upper end of the prism base (9); the fixed propelling movement pole positioning seat (15) that installs additional in the upper end of propelling movement pole supporting seat (8), the side of propelling movement pole positioning seat (15) is installed additional and is equipped with roll adjustment screw rod (16), and install axle sleeve A (17) additional in propelling movement pole positioning seat (15) and the relative one side of slide (7), slide (7) are installed additional with propelling movement pole positioning seat (15) adjacent one side and are equipped with axle sleeve B (18), axle sleeve A (17) cup joint in axle sleeve B (18), roll adjustment screw rod (16) pass propelling movement pole positioning seat (15) and connect soon in internal thread hole (10) of the side of slide (7).

2. The apparatus for retrofitting a total station prism mount in railway centerline measurement as claimed in claim 1, wherein: a left rubber seat (19) is fixedly bonded at the bottom end of the distance rod body (1) at the inner side of the crosshead (2), and a left metal sliding plate (20) is mounted at the inner side of the left rubber seat (19); the opposite side bottom of ranging rod body (1) is equipped with right rubber seat (21), and right metal slide (22) are installed to the inboard of right rubber seat (21).

3. The apparatus for retrofitting a total station prism mount for railway centerline measurement as claimed in claim 2, wherein: the left metal sliding plate (20) and the right metal sliding plate (22) are all parallel and level with the support ruler body (1), and the left metal sliding plate (20) and the right metal sliding plate (22) are the same in height.

4. The apparatus for retrofitting a total station prism mount in railway centerline measurement as claimed in claim 1, wherein: the supporting ruler body (1) is divided into five sections according to the length, the sections a, b, c, d and e are respectively marked from the lateral side of the crosshead (2), and the sliding groove (5) is located in the section c.

5. The apparatus for retrofitting a total station prism mount in railway centerline measurement as claimed in claim 1, wherein: when the shaft sleeve A (17) and the shaft sleeve B (18) are completely sleeved together, the front end of the distance adjusting screw rod (16) is positioned at the middle end of the sliding seat (7).