CN213874276U

CN213874276U - Three proofings engineering survey and drawing levelling rod

Info

Publication number: CN213874276U
Application number: CN202120087036.3U
Authority: CN
Inventors: 党杨梅; 周丰森; 李�杰; 朱晓丽
Original assignee: Jiyuan Vocational and Technical College
Current assignee: Jiyuan Vocational and Technical College
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-08-03
Anticipated expiration: 2031-01-13

Abstract

The utility model belongs to the technical field of mapping equipment, especially, be a three proofings engineering survey and drawing levelling rod, including the U-shaped board, first rectangular channel has been seted up at the top of U-shaped board, fixed mounting has the square bar between the front side inner wall of first rectangular channel and the rear side inner wall, the outside slip cap of square bar is equipped with two rectangular blocks, first rectangular hole has been seted up to the right side inner wall of U-shaped board, the top inner wall of first rectangular hole and bottom inner wall respectively with the top and the bottom sliding connection of rectangular block, the right side fixed mounting of rectangular block has first rectangular plate, the left side of first rectangular plate and the left side inner wall movable contact of U-shaped board, one side movable contact that two first rectangular plates are close to each other has the levelling rod body. The utility model discloses a set up mutually supporting of U-shaped board, first rectangular channel, square bar and rectangular block, solved current support frame and mostly can't add the levelling rod of different specifications and hold the problem of fixing and the height of being not convenient for adjust the support frame.

Description

Three proofings engineering survey and drawing levelling rod

Technical Field

The utility model relates to a mapping equipment technical field specifically is a three proofings engineering survey and drawing levelling rod.

Background

The leveling rod is a staff used for leveling measurement and is generally made of high-quality wood, glass fiber reinforced plastic or aluminum alloy and other materials. The commonly used leveling rod comprises a tower ruler and a double-sided leveling rod. When the leveling instrument is used for measuring the height difference of the ground, a leveling rod is required to be used for carrying out matched measurement, when the leveling instrument is used, two specially-assigned persons are firstly arranged to hold the leveling rod to reach two measurement positions in front of and behind the leveling instrument, and then surveying and mapping personnel observe the leveling rod by using the leveling instrument, so that the height difference of the two positions is obtained; and the people of handheld levelling rod stands at the measurement position, must guarantee levelling rod perpendicular to horizontal plane, just can guarantee the accuracy that the surveyor's level was measured, the levelling rod need use will be put the levelling rod on the support frame at the in-process that uses, with the stability and the straightness that hangs down of reinforcing levelling rod, thereby improve measurement accuracy, but current support frame can't add to the levelling rod of different specifications and hold fixedly mostly, the height of support frame is adjusted to current support frame not convenient for mostly, can not support the levelling rod of different specifications, unsatisfied user demand, therefore we have proposed a three proofings engineering survey and drawing levelling rod and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a three proofings engineering survey and drawing levelling rod has solved the problem that current support frame can't add the height of holding fixed and the be not convenient for adjust the support frame to the levelling rod of different specifications mostly.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a three-proofing engineering surveying and mapping leveling rod comprises a U-shaped plate, wherein a first rectangular groove is formed in the top of the U-shaped plate, a square rod is fixedly installed between the front inner wall and the rear inner wall of the first rectangular groove, two rectangular blocks are slidably sleeved on the outer side of the square rod, a first rectangular hole is formed in the right inner wall of the U-shaped plate, the top inner wall and the bottom inner wall of the first rectangular hole are respectively and slidably connected with the top and the bottom of the rectangular block, a first rectangular plate is fixedly installed on the right side of the rectangular block, the left side of the first rectangular plate is movably contacted with the left inner wall of the U-shaped plate, a leveling rod body is movably contacted with one side, which is close to each other, of the two rectangular blocks, a first spring is fixedly installed between one sides, which are close to each other, the first spring is movably sleeved on the outer side of the square rod, a second rectangular groove is formed in each of the front inner wall and the rear inner wall of the first rectangular groove, a rectangular rod is fixedly installed between the left inner wall and the right inner wall of the second rectangular groove, the outside sliding connection of rectangle pole has the second rectangular plate, fixed mounting has the second spring between the right side of second rectangular plate and the right side inner wall of second rectangular channel, the outside at the rectangle pole that corresponds is established to second spring movable sleeve, it is connected with the connecting rod to rotate between second rectangular plate and the rectangular block, the left side of U-shaped board is equipped with the knob, the right-hand member fixed mounting of knob has the screw rod, the one end of screw rod extends to first rectangular channel in, the U-shaped board rotates with the screw rod to be connected, second rectangular plate and screw rod threaded connection.

As an optimal technical scheme of the utility model, the below of U-shaped plate is equipped with the bracing piece, the outside sliding connection of bracing piece has the stay tube, the top of stay tube and the bottom fixed connection of U-shaped plate, a plurality of draw-in grooves have been seted up in the left side of bracing piece, a draw-in groove in a plurality of draw-in grooves is interior to be equipped with T shape pole, T shape pole and stay tube sliding connection, the left side fixed mounting of stay tube has L shape pole, L shape pole and T shape pole sliding connection, fixed mounting has the third spring between the left side inner wall of T shape pole and the left side of L shape pole, the outside at T shape pole is established to third spring movable sleeve.

As a preferred technical scheme of the utility model, the front side of rectangle piece is opened and is equipped with the square hole, the lateral wall in square hole and the outside sliding connection of square pole.

As a preferred technical scheme of the utility model, two second rectangular holes and screw hole have been seted up in the left side of second rectangular plate, the lateral wall in second rectangular hole and the outside sliding connection of the rectangle pole that corresponds, screw hole and screw rod threaded connection.

As the utility model discloses a preferred technical scheme, the circular port has been seted up to the left side inner wall of first rectangular channel, and the lateral wall fixed mounting of circular port has the bearing, the inner circle of bearing and the outside fixed connection of screw rod.

As a preferred technical scheme of the utility model, the third rectangular channel has been seted up in the left side of stay tube, the lateral wall of third rectangular channel and the outside sliding connection of T shape pole.

As a preferred technical scheme of the utility model, the third rectangular hole has been seted up to the left side inner wall of L shape pole, the lateral wall in third rectangular hole and the outside sliding connection of T shape pole.

(III) advantageous effects

Compared with the prior art, the utility model provides a three proofings engineering survey and drawing levelling rod possesses following beneficial effect:

1. this three proofings engineering survey and drawing levelling rod, through mutually supporting of T shape pole, draw-in groove, stay tube and third spring, pulling T shape pole left, T shape pole and the draw-in groove phase separation that corresponds, then the rebound stay tube, when the stay tube moves suitable position, relaxs the pulling force to T shape pole, and the third spring drives T shape pole and clamps mutually with the draw-in groove to reach the effect of adjusting the height of stay tube.

2. This three proofings engineering survey and drawing levelling rod, through mutually supporting of knob, screw rod, second rectangular plate, rectangular block and first rectangular plate, rotate the knob, the knob passes through the screw rod and drives the second rectangular plate and remove, and the second rectangular plate passes through the connecting rod and drives the rectangular block and remove, and the rectangular block drives the first rectangular plate that corresponds and removes to reach the levelling rod body and add and hold fixed effect.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic left-side view of the three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the top perspective structure of the present invention;

FIG. 4 is an enlarged schematic view of portion A of FIG. 1;

FIG. 5 is an enlarged schematic view of portion B of FIG. 2;

fig. 6 is an enlarged schematic view of a portion C in fig. 3.

In the figure: 1. a U-shaped plate; 2. a first rectangular groove; 3. a square bar; 4. a rectangular block; 5. a first rectangular plate; 6. a first spring; 7. a second rectangular groove; 8. a rectangular bar; 9. a second rectangular plate; 10. a second spring; 11. a connecting rod; 12. a knob; 13. a screw; 14. a leveling rod body; 15. a support bar; 16. supporting a tube; 17. a card slot; 18. a T-shaped rod; 19. an L-shaped rod; 20. and a third spring.

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.

Examples

Referring to fig. 1-6, the present invention provides the following technical solutions: a three-proofing engineering surveying and mapping leveling rod comprises a U-shaped plate 1, wherein a first rectangular groove 2 is formed in the top of the U-shaped plate 1, a square rod 3 is fixedly installed between the front side inner wall and the rear side inner wall of the first rectangular groove 2, two rectangular blocks 4 are slidably sleeved on the outer side of the square rod 3, a first rectangular hole is formed in the right side inner wall of the U-shaped plate 1, the top inner wall and the bottom inner wall of the first rectangular hole are respectively and slidably connected with the top and the bottom of the rectangular blocks 4, a first rectangular plate 5 is fixedly installed on the right side of the rectangular blocks 4, the left side of the first rectangular plate 5 is in movable contact with the left side inner wall of the U-shaped plate 1, a leveling rod body 14 is in movable contact with one side of the two first rectangular plates 5 close to each other, a first spring 6 is fixedly installed between one sides of the two rectangular blocks 4 close to each other, the first spring 6 is movably sleeved on the outer side of the square rod 3, second rectangular grooves 7 are formed in the front side inner wall and the rear side inner wall of the first rectangular groove 2, fixed mounting has rectangular pole 8 between the left side inner wall of second rectangular channel 7 and the right side inner wall, rectangular pole 8's outside sliding connection has second rectangular plate 9, fixed mounting has second spring 10 between the right side of second rectangular plate 9 and the right side inner wall of second rectangular channel 7, second spring 10 movable sleeve is established in the outside of corresponding rectangular pole 8, it is connected with connecting rod 11 to rotate between second rectangular plate 9 and the rectangular block 4, the left side of U-shaped plate 1 is equipped with knob 12, the right-hand member fixed mounting of knob 12 has screw rod 13, the one end of screw rod 13 extends to in the first rectangular channel 2, U-shaped plate 1 rotates with screw rod 13 and is connected, second rectangular plate 9 and screw rod 13 threaded connection.

In the present embodiment, the knob 12 is provided to facilitate the operation of the worker.

Specifically, the supporting rod 15 is arranged below the U-shaped plate 1, the supporting tube 16 is connected to the outer side of the supporting rod 15 in a sliding manner, the top end of the supporting tube 16 is fixedly connected with the bottom of the U-shaped plate 1, a plurality of clamping grooves 17 are formed in the left side of the supporting rod 15, the T-shaped rod 18 is clamped in one clamping groove 17 of the clamping grooves 17, the T-shaped rod 18 is connected with the supporting tube 16 in a sliding manner, the L-shaped rod 19 is fixedly mounted on the left side of the supporting tube 16, the L-shaped rod 19 is connected with the T-shaped rod 18 in a sliding manner, the third spring 20 is fixedly mounted between the inner wall of the left side of the T-shaped rod 18 and the left side of the L-shaped rod 19, and the third spring 20 is movably sleeved on the outer side of the T-shaped rod 18.

In this embodiment, the third spring 20 is provided to have a return effect.

Specifically, a square hole is formed in the front side of the rectangular block 4, and the side wall of the square hole is in sliding connection with the outer side of the square rod 3.

In this embodiment, the square hole is arranged to play a positioning role, so that the rectangular block 4 can only move back and forth.

Specifically, two second rectangular holes and threaded holes are formed in the left side of the second rectangular plate 9, the side walls of the second rectangular holes are in sliding connection with the outer sides of the corresponding rectangular rods 8, and the threaded holes are in threaded connection with the screw rods 13.

In this embodiment, the effect of location has been played in setting up through the second rectangular hole for second rectangular plate 9 only can remove about, and the effect of location has been played in setting up of screw hole, makes second rectangular plate 9 and screw 13 threaded connection.

Specifically, a circular hole is formed in the inner wall of the left side of the first rectangular groove 2, a bearing is fixedly mounted on the side wall of the circular hole, and the inner ring of the bearing is fixedly connected with the outer side of the screw rod 13.

In this embodiment, the bearing is provided to perform a positioning function, so that the screw 13 can only rotate but cannot move up and down and left and right.

Specifically, a third rectangular groove is formed in the left side of the support tube 16, and a side wall of the third rectangular groove is slidably connected to the outer side of the T-shaped rod 18.

In this embodiment, the third rectangular groove is arranged to play a positioning role, so that the T-shaped rod 18 can only move left and right.

Specifically, a third rectangular hole is formed in the inner wall of the left side of the L-shaped rod 19, and the side wall of the third rectangular hole is slidably connected with the outer side of the T-shaped rod 18.

In this embodiment, the third rectangular hole is provided to play a positioning role, so that the T-shaped rod 18 can only move left and right.

The utility model discloses a theory of operation and use flow: when the support tube 16 is used, the support rod 15 is inserted into the ground, when the height of the support tube 16 needs to be adjusted, the T-shaped rod 18 is pulled leftwards, the T-shaped rod 18 is separated from the corresponding clamping groove 17, the third spring 20 is in a stretching state at the moment, then the support tube 16 is moved upwards, when the support tube 16 is moved to a proper position, and the T-shaped rod 18 is aligned with another clamping groove 17 in the plurality of clamping grooves 17, the pulling force on the T-shaped rod 18 is released, the third spring 20 is reset under the action of self elastic force and drives the T-shaped rod 18 to be clamped with another clamping groove 17 in the plurality of clamping grooves 17, and therefore the effect of adjusting the height of the support tube 16 is achieved;

when needs hold the levelling rod body 14 fixedly, put the levelling rod body 14 between two first rectangular plates 5, rotate knob 12, knob 12 drives screw rod 13 and rotates, screw rod 13 drives second rectangular plate 9 and slides on rectangular rod 8, second rectangular plate 9 drives connecting rod 11 and removes and rotates, connecting rod 11 drives corresponding rectangular block 4 and slides on square bar 3, rectangular block 4 drives corresponding first rectangular plate 5 and removes, make two first rectangular plates 5 remove to the direction that is close to each other, when two first rectangular plates 5 remove suitable position, stop rotating knob 12, thereby reach levelling rod body 14 and add and hold fixed effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a three proofings engineering survey and drawing levelling rod, includes U-shaped board (1), its characterized in that: the water level gauge is characterized in that a first rectangular groove (2) is formed in the top of the U-shaped plate (1), a square rod (3) is fixedly installed between the front side inner wall and the rear side inner wall of the first rectangular groove (2), two rectangular blocks (4) are slidably sleeved on the outer side of the square rod (3), a first rectangular hole is formed in the right side inner wall of the U-shaped plate (1), the top inner wall and the bottom inner wall of the first rectangular hole are respectively and slidably connected with the top and the bottom of the rectangular blocks (4), a first rectangular plate (5) is fixedly installed on the right side of the rectangular blocks (4), the left side of the first rectangular plate (5) is in movable contact with the left side inner wall of the U-shaped plate (1), one side, close to each other, of the two first rectangular plates (5) is in movable contact with a level gauge body (14), a first spring (6) is fixedly installed between one side, close to each other, and the first spring (6) is movably sleeved on the outer side of the square rod (3), second rectangular channel (7) have all been seted up to the front side inner wall and the rear side inner wall of first rectangular channel (2), fixed mounting has rectangular pole (8) between the left side inner wall of second rectangular channel (7) and the right side inner wall, the outside sliding connection of rectangular pole (8) has second rectangular plate (9), fixed mounting has second spring (10) between the right side of second rectangular plate (9) and the right side inner wall of second rectangular channel (7), second spring (10) movable sleeve is established in the outside of corresponding rectangular pole (8), it is connected with connecting rod (11) to rotate between second rectangular plate (9) and rectangular block (4), the left side of U-shaped plate (1) is equipped with knob (12), the right-hand member fixed mounting of knob (12) has screw rod (13), the one end of screw rod (13) extends to in first rectangular channel (2), U-shaped plate (1) rotates with screw rod (13) to be connected, second rectangular plate (9) and screw rod (13) threaded connection.

2. The three-proofing engineering surveying and mapping leveling rod of claim 1, characterized in that: the utility model discloses a support structure, including U-shaped plate (1), the below of U-shaped plate (1) is equipped with bracing piece (15), the outside sliding connection of bracing piece (15) has stay tube (16), the top of stay tube (16) and the bottom fixed connection of U-shaped plate (1), a plurality of draw-in grooves (17) have been seted up in the left side of bracing piece (15), T shape pole (18) are equipped with in a draw-in groove (17) of a plurality of draw-in grooves (17) card, T shape pole (18) and stay tube (16) sliding connection, the left side fixed mounting of stay tube (16) has L shape pole (19), L shape pole (19) and T shape pole (18) sliding connection, fixed mounting has third spring (20) between the left side inner wall of T shape pole (18) and the left side of L shape pole (19), the outside at T shape pole (18) is established in third spring (20) activity cover.

3. The three-proofing engineering surveying and mapping leveling rod of claim 1, characterized in that: the front side of the rectangular block (4) is provided with a square hole, and the side wall of the square hole is connected with the outer side of the square rod (3) in a sliding mode.

4. The three-proofing engineering surveying and mapping leveling rod of claim 1, characterized in that: two second rectangular holes and threaded holes are formed in the left side of the second rectangular plate (9), the side walls of the second rectangular holes are in sliding connection with the outer sides of the corresponding rectangular rods (8), and the threaded holes are in threaded connection with the screw rods (13).

5. The three-proofing engineering surveying and mapping leveling rod of claim 1, characterized in that: a circular hole is formed in the inner wall of the left side of the first rectangular groove (2), a bearing is fixedly mounted on the side wall of the circular hole, and the inner ring of the bearing is fixedly connected with the outer side of the screw rod (13).

6. The three-proofing engineering surveying and mapping leveling rod of claim 2, characterized in that: and a third rectangular groove is formed in the left side of the supporting tube (16), and the side wall of the third rectangular groove is in sliding connection with the outer side of the T-shaped rod (18).

7. The three-proofing engineering surveying and mapping leveling rod of claim 2, characterized in that: and a third rectangular hole is formed in the inner wall of the left side of the L-shaped rod (19), and the side wall of the third rectangular hole is in sliding connection with the outer side of the T-shaped rod (18).