CN217654529U

CN217654529U - Prism rod not prone to overturning

Info

Publication number: CN217654529U
Application number: CN202220975216.XU
Authority: CN
Inventors: 郭虎; 郑玉明; 周雄; 李宗文; 叶庆惠; 张鹏飞; 王鹏超
Original assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ No 3 Engineering Co Ltd
Current assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ No 3 Engineering Co Ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-10-25
Anticipated expiration: 2032-04-25

Abstract

The application discloses prism pole that is difficult for toppling, including mobile jib and two auxiliary rod that are used for the auxiliary stay mobile jib that are used for bearing fixed prism lens, the bottom of mobile jib is provided with the base, the base is provided with the confession the sleeve pipe that the bottom of mobile jib was pegged graft, the base deviates from sheathed tube one side is provided with a plurality of inserted bars. The utility model provides a in some special occasions for example loose section of soil property, the mobile jib of prism pole takes place the aversion easily after injecting ground for prism pole sideslip influences measuring precision, and the defect of prism pole in order to carry out follow-up measurement work is placed to the person of also being convenient for of the staff, has the effect that effectively makes things convenient for the staff to place the prism pole in order to carry out follow-up measurement work.

Description

Prism rod not prone to overturning

Technical Field

The utility model belongs to the technical field of prism pole technique and specifically relates to a prism pole that is difficult for toppling is related to.

Background

The prism rod is an important tool for acquiring three-dimensional coordinates of points or construction lofting in production measurement, is often used together with a total station, and is widely applied to the fields of precision engineering measurement or deformation monitoring of aboveground large buildings, underground tunnel construction and the like.

The prism rod typically comprises a main rod, two secondary rods and a prism head for reflecting light emitted by the total station. Before the survey, the tester places the total station at a known control point, and then informs the driver to place the prism rod at the rear viewpoint. At the moment, a staff inserts the main rod into the ground, so that the prism head is approximately in a horizontal state with the total station, and then the supporting angle of the auxiliary rod is adjusted to enable the bubbles of the level instrument to be centered. After the staff calibrate the prism rod, the distance between the total station and the rear viewpoint is accurately obtained through the distance measuring function of the total station.

However, in some special occasions such as a section with loose soil, the main rod of the prism rod is easily displaced after being inserted into the ground, so that the prism rod is laterally deviated, the measurement accuracy is affected, and a staff is not convenient to place the prism rod for subsequent measurement.

SUMMERY OF THE UTILITY MODEL

In order to improve in some special occasions for example loose section of soil property, the mobile jib of prism pole injects and takes place the aversion behind the ground easily for prism pole sideslip influences the measuring precision, and the defect of also being convenient for the span person to place the prism pole in order to carry out follow-up measurement work, this application provides a prism pole that is difficult for toppling.

The application provides a prism pole that is difficult for toppling takes following technical scheme:

the utility model provides a prism pole that is difficult for toppling, is including the mobile jib that is used for bearing fixed prism head and two auxiliary stay that are used for the auxiliary stay mobile jib, the bottom of mobile jib is provided with the base, the base is provided with the confession the sleeve pipe that the bottom of mobile jib was pegged graft, the base deviates from sheathed tube one side is provided with a plurality of inserted bars.

Through adopting above-mentioned technical scheme, when placing the prism pole, the staff places the mobile jib earlier to the back sight point, slowly adjusts and makes the prism head roughly be the horizontality with the total powerstation. Simultaneously, step on the base of mobile jib and make the inserted bar on the base insert ground to the position of fixed mobile jib is in order to avoid the mobile jib to take place the aversion, readjusts the support angle of two vice poles, thereby makes the spirit level bubble placed in the middle, has just accomplished placing of prism pole, makes the mobile jib of prism pole inject difficult emergence aversion behind the ground, effectively makes things convenient for the operator to carry out follow-up measurement work.

Preferably, the mobile jib is provided with outward and bears the seat, bear and be provided with the carrier bar on the seat, the carrier bar is kept away from the one end of bearing the seat is provided with the double-screw bolt, two the top of vice pole all rotates and is provided with articulated seat, articulated seat is kept away from the round hole has been seted up to the one end of vice pole, the double-screw bolt is worn to locate two in proper order the round hole of articulated seat.

Through adopting above-mentioned technical scheme, couple together between mobile jib and two auxiliary rod to can rotate relatively between two auxiliary rod.

Preferably, one end of the stud, which is far away from the bearing rod, is provided with a nut, and one side of the nut is provided with a handle.

Through adopting above-mentioned technical scheme, when needs calibration prism pole, the staff places the mobile jib, through pulling handle unscrewing nut, readjusts the distance between two vice poles for the spirit level bubble is placed between two parties, thereby calibration prism pole.

Preferably, one side of each of the two hinge seats, which is in contact with each other, is provided with a groove.

Through adopting above-mentioned technical scheme, when adjusting the distance between two auxiliary rods, effectively avoid because of the angle undersize between two articulated seats, and lead to the prism pole to place unstable condition.

Preferably, an elastic rubber pad is arranged between the grooves.

Through adopting above-mentioned technical scheme, increase the frictional force between two articulated seats to make two articulated seats be difficult for sliding in measuring.

Preferably, one end of the auxiliary rod, which is far away from the hinge seat, is provided with a fixed seat, the upper end face of the fixed seat is provided with a ball head seat, the ball head seat is provided with a ball head groove, the ball head groove penetrates through one side of the ball head seat, a ball head is movably arranged in the ball head groove, and the bottom end of the auxiliary rod is provided with a connecting rod fixedly connected with the ball head.

Through adopting above-mentioned technical scheme, when the support angle of vice pole needs to be adjusted, the staff rotates the connecting rod for the bulb rotates to required angle in for the bulb seat, thereby adjusts the support angle of vice pole.

Preferably, the mobile jib includes the urceolus and sets up the interior pole in the urceolus, the urceolus is close to one side of interior pole is seted up and is run through the through-hole of the inboard of urceolus, wear to be equipped with the bolt in the through-hole.

By adopting the technical scheme, when the height of the main rod needs to be adjusted, a user unscrews the bolt, pulls the inner rod out of the outer barrel to a certain length, and then screws the bolt, so that the length of the main rod is adjusted.

Preferably, one side of the fixing seat, which is far away from the ball head, is provided with a plurality of convex points for increasing the friction force with the ground.

Through adopting above-mentioned technical scheme to increase the frictional force of fixing base and ground, thereby make after the position of adjustment auxiliary rod, the difficult relative ground that takes place of auxiliary rod removes.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the prism rod is placed, a ruler operator places the main rod to a rear view point, and simultaneously steps on the base of the main rod to enable the inserted rod on the base to be inserted into the ground, so that the main rod of the prism rod is not easy to shift after being inserted into the ground, and the ruler operator can place the prism rod conveniently to perform subsequent measurement work;

2. when the supporting angle of the auxiliary rod needs to be adjusted, a ruler driver rotates the connecting rod, so that the ball head rotates to a required angle relative to the ball head seat, and the ruler driver is effectively facilitated to adjust the supporting angle of the auxiliary rod.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the assembly relationship between the hinge seat and the carrier bar in the embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 1.

Description of reference numerals:

1. a main rod; 11. an outer cylinder; 12. an inner rod; 2. a base; 3. a sleeve; 4. a reinforcing plate; 5. a rod is inserted; 6. a bearing seat; 61. a screw; 62. a knob; 7. a carrier bar; 8. a stud; 9. a nut; 10. a handle; 13. a hinged seat; 131. a circular hole; 132. a groove; 133. an elastic rubber pad; 14. a prism lens; 15. an auxiliary rod; 16. a connecting rod; 17. a fixed seat; 171. salient points; 18. a ball cup; 181. a ball head groove; 182. a ball head.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, the prism rod not prone to toppling disclosed in the present application includes a main rod 1 for bearing a fixed prism lens 14, the main rod 1 is vertically arranged, and the main rod 1 is in a telescopic arrangement.

Referring to fig. 1, a base 2 made of a light material is disposed at the bottom end of a main rod 1, and the base 2 is disposed in a square shape. The base 2 is provided with a sleeve 3 for the bottom end of the main rod 1 to be inserted, and the sleeve 3 is arranged in a cylindrical shape. The lateral wall of sleeve pipe 3 still is provided with four gusset plates 4 of being connected with base 2, and four gusset plates 4 distribute along the circumferential direction of sleeve pipe 3. One side of the base 2 departing from the sleeve 3 is provided with a plurality of inserted bars 5 for inserting into the ground, and the diameter of the inserted bars 5 gradually decreases from one end close to the base 2 to the other end. When a staff places the prism rod to the positioning point, the base 2 is placed on the rear viewpoint firstly, and then the bottom end of the main rod 1 is inserted into the sleeve 3 of the base 2, so that the main rod 1 is not easy to shift relative to the rear viewpoint.

Referring to fig. 1 and 2, a bearing seat 6 is sleeved outside the main rod 1, and the bearing seat 6 can slide along the length direction of the main rod 1. Bear the lateral wall of seat 6 and seted up the screw, screw rod 61 is worn to be equipped with by the screw, and the one end of screw rod 61 passes behind the screw butt in mobile jib 1. One end of the screw 61 is provided with a knob 62 for screwing or unscrewing the screw 61 so that the position of the bearing seat 6 can be moved after unscrewing the screw 61. Bear one side that the seat 6 kept away from mobile jib 1 and seted up the slot, the slot grafting cooperation has bearing rod 7, and bearing rod 7 grafting cooperation cooperates the one end of slot and bears between the seat 6 fixedly through bolted connection. The other end of the carrier bar 7 is connected with two telescopic auxiliary bars 15, and the auxiliary bars 15 are used for assisting in supporting the main bar 1 during measurement.

Specifically, the main rod 1 includes an outer cylinder 11 disposed in a hollow manner and an inner rod 12 disposed in the outer cylinder 11 in a penetrating manner, an inner diameter of the outer cylinder 11 is slightly larger than a diameter of the inner rod 12, and the inner rod 12 can slide relative to the outer cylinder 11. A through hole penetrating through the inner side of the outer cylinder 11 is formed in one side, close to the inner rod 12, of the outer cylinder 11, a bolt for abutting against the inner rod 12 penetrates through the through hole, and the outer cylinder 11 and the inner rod 12 are connected and fixed with each other through the bolt, so that the rising and sliding heights of the inner rod 12 relative to the outer cylinder 11 are limited, and the length of the main rod 1 is fixed accordingly. When the height of the main rod 1 needs to be adjusted, a micrometer unscrews the bolt, pulls the inner rod 12 out of the outer cylinder 11 to a certain length, and then screws the bolt, thereby adjusting the length of the main rod 1.

Referring to fig. 2, a stud 8 is welded at one end of the carrier bar 7 away from the carrier seat 6, and the stud 8 is arranged along the length direction of the carrier bar 7. One end of the stud 8, which is far away from the bearing rod 7, is connected with a nut 9 through threads, and one side of the nut 9 is provided with a handle 10 which is used for facilitating a user to screw or unscrew the nut 9.

In addition, the top of two auxiliary rods 15 all rotates and is provided with articulated seat 13, and the round hole 131 has been seted up to the one end that articulated seat 13 kept away from auxiliary rods 15, and the aperture of round hole 131 slightly is greater than the diameter of double-screw bolt 8, and double-screw bolt 8 wears to locate the round hole 131 of two articulated seats 13 in proper order for two articulated seats 13 are close to each other or keep away from each other for double-screw bolt 8. Recess 132 has all been seted up to one side that two articulated seats 13 contacted each other, and two recesses 132 set up relatively to the angle undersize between two articulated seats 13 of restriction. An elastic rubber pad 133 is arranged between the two grooves 132, so that the friction force between the two hinge bases 13 is increased, and the two hinge bases 13 are not easy to slide in measurement.

Referring to fig. 1 and 3, the ends of the two auxiliary rods 15 far away from the hinge base 13 are provided with fixing bases 17 supported on the ground, and the fixing bases 17 are arranged in a square shape. The upper end surface of the fixing seat 17 is embedded with a ball head seat 18, the ball head seat 18 is provided with a ball head groove 181, and the ball head groove 181 penetrates through one side of the ball head seat 18. The ball head 182 is movably arranged in the ball head groove 181, the ball head 182 can rotate relative to the ball head seat 18 in multiple angles through the ball head groove 181, the connecting rods 16 are arranged at the bottom ends of the two auxiliary rods 15, and the connecting rods 16 are fixedly connected with the ball head 182, so that the auxiliary rods 15 can rotate relative to the fixed seat 17. After a staff inserts the main rod 1 into the positioning point, the bubble of the level gauge is centered by adjusting the rotation angle of the ball head 182 and the positions of the two auxiliary rods 15 relative to the main rod 1, so that the prism rod is well calibrated for measurement.

In addition, four salient points 171 for increasing the friction force with the ground are arranged on one side of the fixing seat 17 away from the ball head 182, and the four salient points 171 are distributed at four corners of one side of the fixing seat 17 away from the ball head 182.

The implementation principle of the embodiment of the application is as follows: before measurement, a driver places the prism rod at a rear view point according to the instruction of an operator, places the main rod 1 at the rear view point, and slowly adjusts the prism rod so that the prism lens 14 is approximately horizontal to the total station. Meanwhile, the base 2 of the main rod 1 is stepped on to enable the insertion rod 5 on the base 2 to be inserted into the ground, so that the position of the main rod 1 is fixed to avoid the main rod 1 from shifting, the angle of the ball head 182 relative to the ball head seat 18 is adjusted to adjust the supporting angles of the two auxiliary rods 15, the bubble of the level gauge is centered, the prism rod is placed, and the operator can conveniently conduct subsequent measurement work.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a prism pole that is difficult for toppling, includes mobile jib (1) and two vice poles (15) that are used for the auxiliary stay mobile jib (1) that are used for bearing fixed prism lens (14), its characterized in that: the bottom of mobile jib (1) is provided with base (2), base (2) are provided with the confession sleeve pipe (3) that the bottom of mobile jib (1) was pegged graft, base (2) deviate from one side of sleeve pipe (3) is provided with a plurality of inserted bars (5).

2. A non-capsizing prism rod according to claim 1, wherein: the utility model discloses a two-way telescopic boom, including mobile jib (1), bear seat (6) outward and be provided with carrier bar (7), carrier bar (7) are kept away from the one end that bears seat (6) is provided with double-screw bolt (8), two the top of vice pole (15) is all rotated and is provided with articulated seat (13), articulated seat (13) are kept away from round hole (131) have been seted up to the one end of vice pole (15), two are worn to locate in proper order in double-screw bolt (8) round hole (131) of articulated seat (13).

3. A non-capsizing prism rod according to claim 2, wherein: one end, far away from the bearing rod (7), of the stud (8) is provided with a nut (9), and one side of the nut (9) is provided with a handle (10).

4. A non-capsizing prism rod according to claim 3, wherein: one side of each hinged seat (13) which is in mutual contact is provided with a groove (132).

5. The non-toppling prism rod according to claim 4, wherein: an elastic rubber pad (133) is arranged between the grooves (132).

6. A non-capsizing prism rod according to claim 3, wherein: keep away from auxiliary rod (15) the one end of articulated seat (13) is provided with fixing base (17), the up end of fixing base (17) is provided with bulb seat (18), bulb groove (181) have been seted up in bulb seat (18), bulb groove (181) run through one side of bulb seat (18), bulb groove (181) internalization is provided with bulb (182), the bottom of auxiliary rod (15) be provided with bulb (182) fixed connection's connecting rod (16).

7. A non-capsizing prism rod according to claim 1, wherein: the mobile pole (1) comprises an outer barrel (11) and an inner rod (12) arranged in the outer barrel (11), wherein a through hole penetrating through the inner side of the outer barrel (11) is formed in one side, close to the inner rod (12), of the outer barrel (11), and a bolt penetrates through the through hole.

8. The non-toppling prism rod according to claim 6, wherein: one side of the fixed seat (17) far away from the ball head (182) is provided with a plurality of convex points (171) used for increasing the friction force with the ground.