CN218032478U

CN218032478U - Fixing support for measuring instrument

Info

Publication number: CN218032478U
Application number: CN202222458294.5U
Authority: CN
Inventors: 秦昌杰; 耿直; 吴枫; 徐茂; 王远; 曹璨; 刘大祥
Original assignee: SHANGHAI INSTITUTE OF GEOLOGICAL SURVEY; SHANGHAI INSTITUTE OF GEOLOGICAL PROSPECTING TECHNOLOGY
Current assignee: SHANGHAI INSTITUTE OF GEOLOGICAL SURVEY; SHANGHAI INSTITUTE OF GEOLOGICAL PROSPECTING TECHNOLOGY
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2022-12-13
Anticipated expiration: 2032-09-16

Abstract

The application discloses fixed bolster for measuring apparatu, concretely relates to fixed bolster field, this application includes the A-frame, the surface of A-frame rotates connects the landing leg, the surface of landing leg is equipped with strutting arrangement, strutting arrangement is including placing the piece, place piece and landing leg fixed connection, the surface rotation of placing the piece is connected with first axis of rotation, the fixed surface of first axis of rotation is connected with the supporting shoe, the sliding surface of supporting shoe is connected with the adjustment block, the inside sliding connection of supporting shoe has the bolt, the surface of adjustment block is equipped with a plurality of adjustment hole, the size of bolt and the size looks adaptation of a plurality of adjustment hole in adjustment block surface, the one end that the supporting shoe was kept away from to the adjustment block is rotated and is connected with the second axis of rotation, and this application can make the more stable support of landing leg on the A-frame subaerial, prevents that the landing leg from the condition that takes place to remove easily after receiving external force from appearing, and then promotes the stability of A-frame.

Description

Fixing support for measuring instrument

Technical Field

The application relates to the field of fixed supports, in particular to a fixed support for a measuring instrument.

Background

The fixing support is a device for limiting the displacement of an object, and a common fixing support comprises a triangular support.

The inventor finds in daily work that when detecting the direction to the subway track, need use measuring instrument to measure, for the use of convenient measuring instrument, can use the A-frame to fix the measuring instrument in position, but when using the A-frame, the landing leg of A-frame receives easy emergence after external force collision and removes, leads to the landing leg of A-frame to draw close the shrink to the centre easily, and then leads to the A-frame can take place to empty the problem.

The landing leg in order to solve a triangular support receives and takes place to remove easily after the external force collision, the landing leg that leads to a triangular support draws close the shrink to the centre easily, and then leads to a triangular support can take place to empty the problem, prior art adopts the fixed bolster to open the back, then uses three dead lever to handle the landing leg of a triangular support for fixed mode together, but when the triangular support uses can appear, need additionally carry the condition of dead lever, and then lead to a triangular support to use inconveniently.

SUMMERY OF THE UTILITY MODEL

This application receives the easy emergence removal in external force collision back for the landing leg of solving A-frame, leads to A-frame's landing leg to draw close the shrink to the centre easily, and then leads to A-frame can take place to empty the fixed bolster for the measuring apparatu that the problem proposed.

In order to achieve the purpose, the following technical scheme is adopted in the application: the fixed support for the measuring instrument comprises a triangular support, wherein the surface of the triangular support is rotatably connected with supporting legs, the surface of each supporting leg is provided with a supporting device, each supporting device comprises a placing block, the placing block is fixedly connected with the corresponding supporting leg, the surface of the placing block is rotatably connected with a first rotating shaft, the surface of each first rotating shaft is fixedly connected with a supporting block, the surface of each supporting block is slidably connected with an adjusting block, the inner portion of each supporting block is slidably connected with a bolt, the surface of each adjusting block is provided with a plurality of adjusting holes, the size of each bolt is matched with the size of each adjusting hole in the surface of each adjusting block, one end, far away from the supporting block, of each adjusting block is rotatably connected with a second rotating shaft, the surface of each second rotating shaft is fixedly connected with a bottom block, one end of each first rotating shaft is fixedly connected with a fixed disc, the surface of the fixed disc is provided with a plurality of fixing holes, one end, close to the fixed disc, of each placing block is fixedly connected with a spring, the one end, close to the fixed disc is fixedly connected with a fixture block, and the size of the fixture block is matched with the size of the plurality of fixing holes in the surface of the fixed disc.

The effect that above-mentioned part reaches is: can open the back at the A-frame, can make the fixture block break away from the fixed disk, then rotate the angle of first axis of rotation adjustment supporting shoe and ground, then change the position of adjusting block according to the demand, then fix the position after the adjustment through the bolt, make bottom block contact ground, then rotate the position of first bolt fastening second axis of rotation, the angle that makes bottom plate and adjusting block keeps good, just so can make the more stable support of landing leg on the A-frame subaerial, prevent that the landing leg from taking place the condition of removing after receiving external force easily and appearing, and then promote the stability of A-frame.

Preferably, the inside of spring is provided with the telescopic link, the both ends of telescopic link respectively with place piece and fixture block fixed connection.

The effect that above-mentioned part reaches is: can compress and when kick-backing at the spring, can make the more stable production effect of spring through the deformation of telescopic link restriction spring.

Preferably, the inside fixedly connected with elasticity rope of bolt, the both ends and the supporting shoe fixed connection of elasticity rope.

The effect that above-mentioned part reaches is: can be behind the adjusting hole on the bolt entering adjusting block, can make the more stable adjusting block that is in of bolt through the elasticity rope, when preventing to remove the A-frame, the condition that the bolt breaks away from adjusting hole on the adjusting block appears.

Preferably, one end of the bottom block, which is far away from the second rotating shaft, is fixedly connected with an antiskid plate, and antiskid bulges are arranged on the surface of the antiskid plate.

The effect that above-mentioned part reaches is: can increase the frictional force between end piece and the ground through the antiskid ribbed tile after the end piece contact ground, and then promoted the stability of A-frame.

Preferably, a first bolt is connected to one end of the adjusting block close to the second rotating shaft in a threaded manner, and the first bolt abuts against the second rotating shaft.

The effect that above-mentioned part reaches is: can be after the bed block contacts with ground, can rotate the first bolt on the adjusting block, make the position of first bolt good second axis of rotation, and then the angle of fixed bed block and adjusting block.

Preferably, the surface of landing leg is equipped with protector, protector includes two limiting plate, two limiting plate and landing leg fixed connection, the surperficial sliding connection of limiting plate has the protecting crust, the additional piece of one end fixedly connected with of limiting plate, the inside threaded connection of additional piece has the second bolt, a plurality of thread groove has been seted up on the surface of protecting crust, the size of second bolt and the size looks adaptation of a plurality of thread groove in protecting crust surface.

The effect that above-mentioned part reaches does: can cover the most advanced of landing leg contact ground through the position that removes the protecting crust after using up the A-frame, when preventing to remove the A-frame, the most advanced fish tail staff's on the landing leg condition takes place.

Preferably, the fixed surface of protecting crust is connected with four rubber slabs, four rubber slabs divide into two sets of equally, and is two sets of the rubber slab is located the both sides of protecting crust, both the surface of rubber slab is equipped with a plurality of antiskid protruding.

The effect that above-mentioned part reaches does: can increase the frictional force between protective housing and the staff hand through the rubber pad when removing the protective housing, and then make things convenient for the staff to remove the position of protective housing.

Preferably, both sides of the protective shell are fixedly connected with limiting rods, and the limiting rods are in sliding connection with the limiting plates.

The effect that above-mentioned part reaches is: can come the better removal orbit of restriction protecting crust through the gag lever post when removing the protecting crust, and then promote the stability when the protecting crust removes.

To sum up, the beneficial effect of this application is: can make the more stable support of landing leg on the A-frame subaerial, prevent that the landing leg from taking place the condition appearance that removes after receiving external force easily, and then promote the stability of A-frame.

Drawings

Fig. 1 is a perspective view of the present application.

Fig. 2 is a schematic perspective view of the supporting device of the present application.

Fig. 3 is an enlarged view of fig. 2 a of the present application.

Fig. 4 is a perspective view of the shielding device of the present application.

Fig. 5 is a partial perspective view of the shielding device of the present application.

Description of reference numerals: 1. a triangular bracket; 2. a support leg; 3. a support device; 301. placing the blocks; 302. a first rotating shaft; 303. a support block; 304. an adjusting block; 305. a second rotating shaft; 306. a bottom block; 307. fixing the disc; 308. a spring; 309. a clamping block; 310. a telescopic rod; 311. an elastic cord; 312. an anti-skid plate; 313. a first bolt; 314. a bolt; 315. an adjustment hole; 316. a fixing hole; 4. a guard; 41. a limiting plate; 42. a protective shell; 43. an additional block; 44. a second bolt; 45. a rubber plate; 46. a limiting rod; 67. a thread groove.

Detailed Description

Referring to fig. 1, the present embodiment discloses a fixing bracket for a measuring instrument, which includes a triangular bracket 1, a leg 2 rotatably connected to a surface of the triangular bracket 1, a supporting device 3 disposed on a surface of the leg 2, and a protection device 4 disposed on a surface of the leg 2.

Referring to fig. 2 and 3, the embodiment discloses that the supporting device 3 includes a placing block 301, the placing block 301 is fixedly connected to the supporting leg 2, a surface of the placing block 301 is rotatably connected to a first rotating shaft 302, a surface of the first rotating shaft 302 is fixedly connected to a supporting block 303, a surface of the supporting block 303 is slidably connected to an adjusting block 304, an inner portion of the supporting block 303 is slidably connected to a bolt 314, a surface of the adjusting block 304 is provided with a plurality of adjusting holes 315, a size of the bolt 314 is adapted to a size of the plurality of adjusting holes on the surface of the adjusting block 304, one end of the adjusting block 304, which is far away from the supporting block 303, is rotatably connected to a second rotating shaft 305, a surface of the second rotating shaft 305 is fixedly connected to a bottom block 306, one end of the first rotating shaft 302 is fixedly connected to a fixed disk 307, a plurality of fixing holes are formed on a surface of the fixed disk 307, one end of the placing block 301, which is close to the fixed disk 307, one end of the spring 308, which is close to the fixed disk 307, is fixedly connected to a fixture block 309, and a size of the fixture 309 is fixedly connected to a size of the fixture block 309, and a size of the fixture hole 316 on a size of a surface of the fixture disk 307 is adapted to a size of the fixture 307. Can be after the A-frame 1 opens, can make fixture block 309 break away from fixed disk 307, then rotate the angle of first axis of rotation 302 adjustment supporting shoe 303 and ground, then change the position of adjusting block 304 according to the demand, then fix the position after the adjustment through bolt 314, make end block 306 contact ground, then rotate the position of the fixed second axis of rotation 305 of first bolt 313, make the bottom plate keep good with the angle of adjusting block 304, just so can make landing leg 2 on the A-frame 1 more stable support subaerial, prevent that landing leg 2 from taking place the condition of removing easily after receiving external force and appearing, and then promote the stability of A-frame 1.

Referring to fig. 2 and 3, in the embodiment, a telescopic rod 310 is disposed inside the spring 308, and two ends of the telescopic rod 310 are fixedly connected to the placing block 301 and the clamping block 309, respectively. When the spring 308 is compressed and rebounded, the deformation of the spring 308 can be limited by the telescopic rod 310, so that the spring 308 is more stable to generate effects. An elastic rope 311 is fixedly connected inside the bolt 314, and two ends of the elastic rope 311 are fixedly connected with the supporting block 303. After the bolt 314 enters the adjusting hole on the adjusting block 304, the bolt 314 can be more stably positioned in the adjusting block 304 through the elastic rope 311, so that the bolt 314 is prevented from being separated from the adjusting hole on the adjusting block 304 when the triangular support 1 is moved.

Referring to fig. 2 and 3, in the embodiment, a skid-proof plate 312 is fixedly connected to one end of the bottom block 306 away from the second rotating shaft 305, and a skid-proof protrusion is arranged on the surface of the skid-proof plate 312. After the bottom block 306 contacts the ground, the friction between the bottom block 306 and the ground can be increased through the anti-slip plate 312, and the stability of the tripod 1 is further improved. A first bolt 313 is screwed to one end of the adjustment block 304 near the second rotation shaft 305, and the first bolt 313 abuts against the second rotation shaft 305. After the bottom block 306 contacts the ground, the first bolt 313 on the adjusting block 304 can be rotated, so that the first bolt 313 fixes the position of the second rotating shaft 305, and further fixes the angle between the bottom block 306 and the adjusting block 304.

Referring to fig. 4 and 5, the embodiment discloses that the protection device 4 includes two limiting plates 41, the two limiting plates 41 are fixedly connected with the supporting leg 2, the surface of the limiting plate 41 is slidably connected with a protection shell 42, one end of the limiting plate 41 is fixedly connected with an additional block 43, the internal thread of the additional block 43 is connected with a second bolt 44, the surface of the protection shell 42 is provided with a plurality of thread grooves 67, and the size of the second bolt 44 is matched with the size of the plurality of thread grooves on the surface of the protection shell 42. Can cover the most advanced of landing leg 2 contact ground through the position of removing protective housing 42 after using up the A-frame 1, prevent to remove when A-frame 1, the condition that the most advanced fish tail staff on landing leg 2 takes place.

Referring to fig. 4 and 5, in the embodiment, four rubber plates 45 are fixedly connected to the surface of the protective shell 42, the four rubber plates 45 are equally divided into two groups, the two groups of rubber plates 45 are located on two sides of the protective shell 42, and a plurality of anti-skid protrusions are arranged on the surfaces of the two rubber plates 45. Can increase the frictional force between protective housing 42 and the staff's hand through the rubber pad when removing protective housing 42, and then make things convenient for the staff to remove the position of protective housing 42. The two sides of the protective shell 42 are fixedly connected with a limiting rod 46, and the limiting rod 46 is connected with the limiting plate 41 in a sliding mode. When the protective shell 42 is moved, the movement track of the protective shell 42 can be better limited through the limiting rod 46, and the stability of the protective shell 42 during movement is further improved.

The working principle is as follows: after the triangular bracket 1 is unfolded, the fixture block 309 can be separated from the fixed disc 307, at this time, the spring 308 and the telescopic rod 310 are in a compressed state, the angle between the supporting block 303 and the leg 2 is changed by the first rotating shaft 302 on the placing block 301, after the angle is adjusted, the fixture block 309 can be inserted into the fixed disc 307 again, then the bolt 314 is pulled according to the distance between the bottom block 306 on the adjusting block 304 and the ground, the bolt 314 is separated from the adjusting block 304, at this time, the elastic rope 311 is stretched, then the adjusting block 304 is moved to change the distance between the adjusting block 304 and the supporting block 303, the anti-skid plate 312 on the bottom block 306 is contacted with the ground, then the bolt 314 is loosened, the elastic rope 311 carries the bolt 314 to be inserted into the adjusting block 304 again, then the first bolt 313 is rotated, the first bolt 313 presses the position where the second rotating shaft 305 is fixed, and the angle between the bottom block 306 and the adjusting block 304 is fixed, and thus, the support of the leg 2 on the triangular bracket 1 can be completed. Through strutting arrangement 3, can make landing leg 2 on the A-frame 1 more stable support subaerial, prevent that landing leg 2 from taking place the condition appearance that removes after receiving external force easily, and then promote the stability of A-frame 1.

After the triangular support 1 is used, the second bolt 44 on the additional block 43 can be rotated to slide the protective shell 42 on the limiting plate 41, then the protective shell 42 with the rubber plate 45 is held, the protective shell 42 covers the tip of the supporting leg 2 contacting the ground, and then the second bolt 44 is rotated to enter the threaded groove on the protective shell 42 to fix the position of the protective shell 42. Through protector 4, can cover the most advanced of landing leg 2 contact ground through the position that removes protective housing 42 after having used up tripod 1, when preventing to remove tripod 1, the most advanced fish tail staff on landing leg 2.

Claims

1. Fixed bolster for measuring apparatu includes A-frame (1), its characterized in that: the surface of the triangular support (1) is rotatably connected with a supporting leg (2), the surface of the supporting leg (2) is provided with a supporting device (3), the supporting device (3) comprises a placing block (301), the placing block (301) is fixedly connected with the supporting leg (2), the surface of the placing block (301) is rotatably connected with a first rotating shaft (302), the surface of the first rotating shaft (302) is fixedly connected with a supporting block (303), the surface of the supporting block (303) is slidably connected with an adjusting block (304), the inner part of the supporting block (303) is slidably connected with a bolt (314), the surface of the adjusting block (304) is provided with a plurality of adjusting holes (315), the size of the bolt (314) is matched with the size of the plurality of adjusting holes on the surface of the adjusting block (304), one end of the adjusting block (304) far away from the supporting block (303) is rotatably connected with a second rotating shaft (305), the surface of the second rotating shaft (305) is fixedly connected with a bottom block (306), one end of the first rotating shaft (302) is fixedly connected with a fixed disc (307), the surface of the fixed disc (307) is provided with a plurality of fixed holes (316), one end of the fixed disc (308) close to the spring (307), one end of the fixed disc (309) is connected with a fixed disc (307), the size of the fixture block (309) is matched with the size of a plurality of fixing holes on the surface of the fixing disc (307).

2. The fixing bracket for a measuring instrument according to claim 1, wherein: the spring (308) is internally provided with a telescopic rod (310), and two ends of the telescopic rod (310) are respectively and fixedly connected with the placing block (301) and the clamping block (309).

3. The fixing bracket for a measuring instrument according to claim 1, wherein: the inner part of the bolt (314) is fixedly connected with an elastic rope (311), and two ends of the elastic rope (311) are fixedly connected with the supporting block (303).

4. The fixing bracket for a measuring instrument according to claim 1, wherein: one end, far away from the second rotating shaft (305), of the bottom block (306) is fixedly connected with an anti-skid plate (312), and anti-skid protrusions are arranged on the surface of the anti-skid plate (312).

5. The fixing bracket for a measuring instrument according to claim 1, wherein: one end of the adjusting block (304) close to the second rotating shaft (305) is in threaded connection with a first bolt (313), and the first bolt (313) is abutted to the second rotating shaft (305).

6. The fixing bracket for a measuring instrument according to claim 1, wherein: the surface of landing leg (2) is equipped with protector (4), protector (4) include two limiting plate (41), two limiting plate (41) and landing leg (2) fixed connection, the surperficial sliding connection of limiting plate (41) has protecting crust (42), the additional piece (43) of one end fixedly connected with of limiting plate (41), the internal thread of additional piece (43) is connected with second bolt (44), a plurality of thread groove (67) have been seted up on the surface of protecting crust (42), the size of second bolt (44) and the size looks adaptation of a plurality of thread groove in protecting crust (42) surface.

7. The fixing bracket for a measuring instrument according to claim 6, wherein: the surface fixed connection of protecting crust (42) has four rubber slab (45), four rubber slab (45) etc. are two sets of, two sets of rubber slab (45) are located the both sides of protecting crust (42), both the surface of rubber slab (45) is equipped with a plurality of antiskid salient.

8. The fixing bracket for a measuring instrument according to claim 7, wherein: both sides fixedly connected with gag lever post (46) of protecting crust (42), gag lever post (46) and limiting plate (41) sliding connection.