CN106546228A - A kind of leg means - Google Patents

Abstract

The invention discloses a tripod device. The outriggers and the support platform are movable, and the height of the outriggers can be adjusted, which solves the problem in the prior art that the legs of the tripod are long and cannot be disassembled. The stand device is easy to carry; while convenient for transportation, it improves the measurement accuracy and the service life of the instrument; a level detection mechanism is set to ensure that the support platform is at a level, making the measurement more accurate, and it is convenient for the erection, leveling and alignment of the host machine; the setting position adjustment The mechanism can adjust the position of the host in all directions, so that the laser can be accurately aligned with the measuring point, and the adjustment process is simple and convenient.

Description

a tripod device

technical field

The invention relates to a measuring instrument, in particular to a tripod device.

Background technique

At present, wooden tripods are generally used to erect various measuring instruments in the process of survey, design, construction, testing and operation and maintenance of traffic roads. During the measurement, first connect and fix the tripod with the measuring machine, then place it on the prepared measuring point, turn on the vertical laser beam of the host to make it center on the measuring point, use the tripod to adjust for rough leveling, and then repeatedly use the foot Screw and move the host for centering and leveling. The following problems existed during the measurement:

(1) Since the tripod has long legs and cannot be disassembled, it takes up a lot of space during transportation and is easily bumped and damaged, which affects the measurement accuracy and the life of the instrument.

(2) Since there is no level detection device on the tripod, the base surface of the tripod cannot be roughly leveled in advance, so when the measuring host is erected, its level is very poor, and even if the tripod is leveled in advance and the centering of the instrument is still confused after moving the host .

(3) During the centering and leveling process of the tripod, the two are interrelated, that is, the centering laser will shift when the foot screw is adjusted, and at the same time, the circular level will shift during the laser centering process. In such a repeated adjustment process, it may be necessary to assume the support several times, prolonging the measurement time.

Contents of the invention

In view of the above-mentioned problems or defects in the prior art, the purpose of the present invention is to provide a tripod device, which overcomes the inconvenient transportation of the tripod when the traditional tripod is used for traffic road measurement, the tripod has no initial roughness, and the centering adjustment Due to the shortcomings of leveling correlation, the tripod device of the present invention realizes the functions of portability of the tripod, initial rough leveling of the tripod, and independent functions of centering and leveling.

In order to achieve the above object, the present invention adopts the following technical solutions:

A tripod device, comprising a support platform, on which a level detection mechanism and a position adjustment mechanism are installed, a plurality of legs are movable below the support platform, and the height of the legs can be adjusted; on the position adjustment mechanism The host is installed, and the position adjustment mechanism includes a horizontal slide bar and a longitudinal slide bar, both of which can slide relative to the support platform to adjust the position of the host.

Specifically, a middle hole is provided at the center of the support platform, and the periphery of the middle hole is the edge of the platform; the position adjustment mechanism includes two transverse slide rails and two longitudinal slide rails arranged on the edge of the platform, so The two ends of the longitudinal sliding bar are respectively connected with two horizontal sliding rails, the longitudinal sliding bar can slide relative to the two horizontal sliding rails, the two ends of the horizontal sliding bar are respectively connected with the two longitudinal sliding rails, and the horizontal sliding The bar can slide relative to the two longitudinal slide rails; the transverse slide bar and the longitudinal slide bar are arranged in a cross.

Specifically, a convex chute is provided on the horizontal slide rail, and a convex slider is provided at both ends of the longitudinal slide bar, and the convex slider can extend into the convex chute to be able to move relative to the convex chute. Sliding; the longitudinal slide rail is provided with a convex chute, and both ends of the horizontal slide bar are provided with a convex slider, and the convex slider extends into the convex chute and can slide relative to the convex chute .

Further, the convex slider is provided with a locking wing, and a locking screw is provided on the locking wing.

Further, the horizontal sliding bar and the longitudinal sliding bar are provided with a strip-shaped hole along their length direction, and the horizontal sliding bar and the longitudinal sliding bar are connected by hollow connectors, and the hollow connectors pass through the bar-shaped holes of the horizontal sliding bar in turn. Holes and strip holes for longitudinal slide bars; the upper part of the hollow connector is connected to the host.

Further, the hollow connector includes a hollow rod, and the two ends of the hollow rod are provided with an upper positioning block and a lower positioning block.

Further, the horizontal detection mechanism includes a plurality of circular levels arranged around the support platform.

Further, the supporting leg includes a hollow sleeve, which is movably connected with the support platform; a leg nail is movable under the hollow sleeve, and one end of the leg nail extends into the hollow sleeve, and the leg nail extends into the hollow sleeve The length inside the barrel is adjustable to vary the overall length of the legs.

Further, a spring is provided inside the hollow sleeve, and the top end of the leg nail is connected to the end of the spring; a fastening bolt is provided on the outer wall of the hollow sleeve, and one end of the fastening bolt extends into the hollow sleeve to connect with the end of the spring. Leg nails touch.

Further, the end of the hollow sleeve is provided with an upper card and a lower card, and the top ends of the leg nails pass through the lower card and the upper card in turn to extend into the hollow sleeve.

Compared with the prior art, the present invention has the following technical effects:

1. The outriggers and the support platform provided by the present invention are movable, and the height of the outriggers can be adjusted, which solves the problem in the prior art that the legs of the tripod are long and cannot be disassembled, making the tripod device of the present invention easy to carry ; While convenient for transportation, it improves the measurement accuracy and the service life of the instrument.

2. Set up a level detection mechanism to ensure that the support platform is level, making the measurement more accurate and facilitating the erection, leveling and alignment of the host.

3. Set the position adjustment mechanism, which can adjust the position of the host in all directions, so that the laser can be accurately aligned with the measuring point, and the adjustment process is simple and convenient.

Description of drawings

Fig. 1 is the overall structural representation of the present invention;

Fig. 2 is a perspective view of the supporting platform;

Fig. 3 is a top view of the supporting platform;

Fig. 4 is a schematic diagram of the structure of the transverse slide rail;

Fig. 5 is a structural schematic diagram of a longitudinal slide bar;

Fig. 6 is a schematic structural diagram of a hollow connector;

Fig. 7 is a schematic structural view of the longitudinal slide rail;

Fig. 8 is a schematic diagram of the structure of the horizontal slide bar;

Figure 9 is a schematic diagram of the overall structure of the legs;

Fig. 10 is a schematic structural view of a hollow sleeve;

Figure 11 is a schematic diagram of the leg nail structure;

Fig. 12 is a schematic structural diagram of the upper card or the lower card;

Each label in the figure represents: 1—supporting platform, 101—middle hole, 102—edge of platform, 103—threaded hole, 2—horizontal detection mechanism, 201—circular level, 3—position adjustment mechanism, 301—transverse slide bar , 302—longitudinal slide bar, 303—horizontal slide rail, 304—longitudinal slide rail, 305—convex chute, 306—convex slider, 307—lock wing plate, 308—lock screw, 309—bar hole, 310—hollow connector, 31001—hollow rod, 31002—upper positioning block, 31003—lower positioning block, 311—locking bolt, 4—leg, 401—hollow sleeve, 402—leg nail, 403—spring, 404— Fastening bolts, 405—upper card, 406—bottom card, 407—height adjustment handle, 408—installation hole.

The solution of the present invention will be further explained and described in detail in conjunction with the accompanying drawings and specific embodiments.

detailed description

The tripod device of the present invention is used for installing and fixing the profilers, theodolites and total stations used in the survey, design, construction, detection and operation and maintenance of traffic roads in the traffic section. The tripod device of the present invention comprises a support platform 1, on which a level detection mechanism 2 and a position adjustment mechanism 3 are installed, and a plurality of supporting legs 4 are movable below the supporting platform 1, and the height of the supporting legs 4 can be adjusted; The main engine is installed on the adjustment mechanism 3, and the position adjustment mechanism 3 includes a horizontal sliding bar 301 and a longitudinal sliding bar 302, which can slide relative to the support platform 1 to adjust the position of the main engine.

The legs 4 provided by the present invention are movable with the support platform 1, and the height of the legs 4 can be adjusted, which solves the problem in the prior art that the legs of the tripod are long and cannot be disassembled, making the tripod device of the present invention portable Convenience; the level detection mechanism 2 is set to ensure that the support platform 1 is level, making the measurement more accurate, and it is convenient for the erection, leveling and centering of the host; the position adjustment mechanism 3 is set to adjust the position of the host in all directions, so that the laser can be aligned with the The measuring point is accurately centered, and the adjustment process is simple and convenient.

When the device of the present invention is in use, move it to the top of the measuring point, install the host, adjust the position of the host by adjusting the horizontal slide bar 301 and the longitudinal slide bar 302, so that the vertical centering laser beam sent by the host is aimed at the survey point, for measurement work.

The central position of the support platform 1 is provided with a middle hole 101, and the periphery of the middle hole 101 is a platform edge 102; Slide rails 304, the two ends of the longitudinal slide bar 302 are connected with two transverse slide rails 303 respectively, the longitudinal slide bar 302 can slide relative to the two transverse slide rails 303, the two ends of the transverse slide bar 301 are respectively connected with The two longitudinal slide rails 304 are mated and connected, and the transverse slide bar 301 can slide relative to the two longitudinal slide rails 304; above.

The present invention realizes the movement of the host in any direction through the horizontal sliding of the horizontal sliding bar 301 and the longitudinal sliding of the longitudinal sliding bar 302 .

In order to ensure that 301 and the longitudinal slide bar 302 can slide relative to the support platform 1, a convex slide groove 305 is provided on the transverse slide rail 303 along its length direction, and a convex sliding groove 305 is provided at both ends of the longitudinal slide bar 302. block 306, the convex slide block 306 stretches into the convex slide groove 305 and can slide relative to the convex slide groove 305; Both are provided with a convex sliding block 306 , and the convex sliding block 306 protrudes into the convex sliding groove 305 and can slide relative to the convex sliding groove 305 .

When the horizontal slide bar 301 or the vertical slide bar 302 moves to the required position, in order to fix the position of the longitudinal slide bar 302 or the horizontal slide bar 301, the convex slider 306 is provided with a locking wing 307, and the locking wing 307 Set on the top of the horizontal slide rail 303 or the vertical slide rail 304, the locking wing plate 307 is provided with a locking screw 308, by adjusting the locking screw 308 to make its lower end contact with the top of the vertical slide rail 304 or the horizontal slide rail 303 to realize horizontal sliding. Fixing of the position of the bar 301 or the longitudinal slide bar 302 .

A locking bolt 311 is provided at the chute opening of the convex chute 305 , and the locking bolt 311 is used to prevent the horizontal sliding bar 301 or the longitudinal sliding bar 302 from sliding out of the convex chute 305 .

In order to install the main engine on the position adjustment mechanism, a bar-shaped hole 309 is provided on the horizontal slide bar 301 and the longitudinal slide bar 302 along its length direction, and the horizontal slide bar 301 and the vertical slide bar 302 are connected by a hollow connector 310 , the hollow connector 310 passes through the bar-shaped hole 309 of the horizontal sliding bar 301 and the bar-shaped hole 309 of the longitudinal sliding bar 302 in sequence; the upper part of the hollow connector 310 is connected to the host. Specifically, the hollow connector 310 includes a hollow rod 31001, and upper positioning blocks 31002 and lower positioning blocks 31003 are provided at both ends of the hollow rod 31001.

When the host is installed on the position adjustment mechanism 3, a screw rod needs to pass through the hollow rod 31001 from bottom to top and be connected with the host.

In order to realize the function of the level detection mechanism 2 , optionally, the level detection mechanism 2 includes a plurality of circular levels 201 arranged around the support platform 1 . When the circular vials of the plurality of circular vials 201 are all centered, the support platform 1 is in a horizontal state, thereby ensuring the measurement result.

In order to achieve the purpose of adjusting the height of the support leg 4, the support leg 4 includes a hollow sleeve 401, which is movably connected with the support platform 1, and can be connected by a screw thread, that is, the hollow sleeve 401 The top is provided with external threads, and the periphery of the support platform 1 is provided with threaded holes 103 consistent with the number of hollow sleeves 401, and the connection between the two is realized by rotating the hollow sleeve 401 into the threaded holes 103; when it is necessary to carry the device of the present invention, The hollow sleeve 401 can be disassembled from the support platform 1, which saves space and is easy to carry.

Below the hollow sleeve 401, there is a leg nail 402. One end of the leg nail 402 extends into the hollow sleeve 401, and the length of the leg nail 402 extending into the hollow sleeve 401 can be adjusted to change the overall length of the leg 1. Specifically, a spring 403 is provided inside the hollow sleeve 401, and the top of the leg nail 402 is connected to the end of the spring 403; a fastening bolt 404 is provided on the outer wall of the hollow sleeve 401, and one end of the fastening bolt 404 extends into The inside of the hollow sleeve 401 is in contact with the leg nail 402 . The outer wall of the hollow sleeve 401 is also provided with a height adjustment handle 407. When the height of the leg 1 needs to be adjusted, by applying a downward force on the height adjustment handle 407, the leg nail 402 moves upward along the axis of the hollow sleeve 401. Move, compress spring 403, the height of supporting leg 1 is reduced, when adjusting to required height, screw fastening bolt 404, the position of fixed leg nail 402.

In order to prevent the leg nail 402 from breaking away from the hollow sleeve 401, the end of the hollow sleeve 401 is provided with an upper card 405 and a lower card 406, and the top of the leg nail 402 passes through the lower card 406 and the upper card 405 in turn and extends into the Inside the hollow sleeve 401 . Specifically, the center positions of the upper card 405 and the lower card 406 are all provided with a mounting hole 408, and the diameter of the top of the leg nail 402 is greater than the diameter of the mounting hole 408, so as to prevent the leg nail 402 from breaking away from the hollow sleeve 401; the upper card 405 and the lower card 406 are fixedly connected together by bolts.

The materials used in the device of the present invention are all made of light and hard materials, so that the rigidity is ensured and the weight is reduced to the greatest extent.

Stand device of the present invention, its specific working process is as follows:

(1) the tripod device of the present invention is carried to the top of the measuring point; the center of the supporting platform 1 is roughly on the same vertical line as the measuring point;

(2) Adjust the height based on any three outriggers 4, so that the circular level 201 on the support platform 1 is in the center. During the adjustment process, the fastening bolt 404 of the remaining outrigger 4 should be loosened. Tighten it after leveling;

(3) Install the main machine on the position adjustment mechanism 3 through the hollow connector 310, and perform precise leveling on the main machine through the foot screw.

(4) Turn on the host computer and vertically align the laser beam. At this time, the alignment between the laser beam and the measuring point is realized by moving the longitudinal slide bar 302 and the horizontal slide bar 301, and the measurement can be started.

Claims (10)

1. a kind of leg means, including support platform (1), it is characterised in that be provided with horizontal detection on the support platform (1) Mechanism (2) and position adjusting mechanism (3), the underside of the support platform (1) are provided with multiple supporting legs (4), supporting leg (4) Height can be adjusted；Main frame is installed on position adjusting mechanism (3), position adjusting mechanism (3) includes horizontal sliding bar (301) and longitudinal direction Slide bar (302), horizontal sliding bar (301) and longitudinal slide bar (302) can be slided to adjust master relative to the support platform (1) The position of machine.

2. leg means as claimed in claim 1, it is characterised in that during the center of the support platform (1) is provided with Hole (101), the periphery of mesopore (101) is platform seamed edge (102)；The position adjusting mechanism (3) is including being arranged on platform seamed edge (102) two horizontal slide rails (303) and two longitudinal slide rails (304) on, the two ends of longitudinal slide bar (302) are respectively with two Individual horizontal slide rail (303) is connected, and longitudinal slide bar (302) can be slided relative to two horizontal slide rails (303), described horizontal The two ends of slide bar (301) are connected with two longitudinal slide rails (304) respectively, and horizontal sliding bar (301) can be vertical relative to two Slide to slide rail (304)；The horizontal sliding bar (301) is arranged with longitudinal slide bar (302) decussation.

3. leg means as claimed in claim 2, it is characterised in that be provided with convex chute on the horizontal slide rail (303) (305), the two ends of longitudinal slide bar (302) are provided with convex slide block (306), and convex slide block (306) stretches into convex chute (305) can slide relative to convex chute (305) in；Convex chute (305), institute are provided with the longitudinal slide rail (304) The two ends for stating horizontal sliding bar (301) are provided with convex slide block (306), and convex slide block (306) stretches into convex chute (305) interior energy It is enough to slide relative to convex chute (305).

4. leg means as claimed in claim 3, it is characterised in that be provided with locking wing plate on the convex slide block (306) (307), lock on wing plate (307) and be provided with lock screw (308).

5. leg means as claimed in claim 2, it is characterised in that on the horizontal sliding bar (301) and longitudinal slide bar (302) A bar hole (309) is provided with along its length, and horizontal sliding bar (301) and longitudinal slide bar (302) are by hollow connection Device (310) connects, and hollow connectors (310) sequentially pass through the bar hole (309) of horizontal sliding bar (301) and longitudinal slide bar (302) Bar hole (309)；The top of hollow connectors (310) connects the main frame.

6. leg means as claimed in claim 5, it is characterised in that the hollow connectors (310) are including hollow bar (31001), the two ends of hollow bar (31001) are provided with top locating piece (31002) and bottom locating piece (31003).

7. leg means as claimed in claim 1, it is characterised in that the horizontal detection mechanism (2) is including being arranged on support Multiple circular bubbles (201) of platform (1) periphery.

8. leg means as claimed in claim 2, it is characterised in that the supporting leg (4) is including cannulated sleeve (401), hollow Sleeve (401) is flexibly connected with the support platform (1)；Cannulated sleeve (401) underside is provided with lower limb nail (402), lower limb nail (402) one end stretches into that cannulated sleeve (401) is internal, and the length that stretches in cannulated sleeve (401) of lower limb nail (402) can adjust with Change the entire length of the supporting leg (4).

9. leg means as claimed in claim 8, it is characterised in that the cannulated sleeve (401) is internally provided with spring (403), the top of lower limb nail (402) is connected with the end of spring (403)；Fastening is provided with cannulated sleeve (401) outer wall Bolt (404), one end of fastening bolt (404) are stretched into cannulated sleeve (401) inside and are contacted with lower limb nail (402).

10. leg means as claimed in claim 9, it is characterised in that the end of the cannulated sleeve (401) is provided with top Card (405) and lower card (406), the top of lower limb nail (402) sequentially pass through lower card (406) and top card (405) stretch into the cannulated sleeve (401) internal.