CN216483070U

CN216483070U - Forced centering device for precision engineering measurement

Info

Publication number: CN216483070U
Application number: CN202220063305.7U
Authority: CN
Inventors: 王世杰; 冯永进; 李坚; 薛学会
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-05-10
Anticipated expiration: 2032-01-11

Abstract

The utility model discloses a precision engineering measures and forces device of returning home relates to measuring instrument technical field, including base, riser and measuring apparatu main part, the fixed riser that is provided with in top middle part of base, one side top and the bottom of riser are run through respectively and have been seted up spout and square groove, and the inside activity of spout is provided with the slider, and the both ends of slider extend to the both sides of riser respectively. The utility model discloses a setting of pendulum rod, the pendulum rod passes through the round pin axle with the extension rod and rotates to be connected, and set up the measuring apparatu main part in the bottom of pendulum rod, because the action of gravity, no matter how the device is put, the pendulum rod can remain vertical all the time, thereby make measuring apparatu main part level, need not staff's regulation level, high durability and convenient use, and change the piece through rotating, drive the lead screw and rotate, can drive the slider and reciprocate in the spout is inside, thereby adjust the slider, the extension rod, the height of pendulum rod and measuring apparatu main part, be favorable to conveniently carrying out the measurement of co-altitude, improve the practicality.

Description

Forced centering device for precision engineering measurement

Technical Field

The utility model relates to a measuring instrument technical field, in particular to accurate engineering measurement forces device of returning the heart in mind.

Background

When the level is used for measurement, the level needs to be adjusted to a horizontal state to ensure the accuracy of measurement, and the specific adjustment modes include two modes, namely a small level is arranged on the level, when bubbles in the small level move to the center of the small level, the level is in the horizontal state, the cost of the horizontal adjustment mode is low, but the adjustment process is complicated, the bubbles are not easy to adjust to the center of the small level, and the other mode adopts laser adjustment, so that the overall cost is high although the adjustment is convenient, and the overall price of the level can be increased; meanwhile, the height of the existing forced centering equipment cannot be adjusted, and the use is inconvenient.

Therefore, it is necessary to provide a precision engineering measurement forced centering device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a precision engineering measures forces gui xin device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a forced centering device for precision engineering measurement comprises a base, a vertical plate and a measuring instrument main body, wherein the vertical plate is fixedly arranged in the middle of the top end of the base, the top end and the bottom end of one side of the vertical plate are respectively provided with a sliding chute and a square groove in a penetrating way, a sliding block is movably arranged in the sliding chute, and two ends of the sliding block extend to two sides of the vertical plate respectively, a screw rod is arranged in the middle of the sliding block in a penetrating way, the bottom end of the screw rod penetrates through the inner wall of the bottom end of the sliding chute and extends into the square chute, the two ends of the screw rod are rotatably connected with the inner wall of the sliding chute through bearings, a rotating block is fixedly arranged at the bottom end of the screw rod, an extension rod is fixedly arranged at one end of the sliding block, a swing rod is arranged at one end of the extension rod far away from the sliding block, and the top end of the swing rod is rotatably connected with the extension rod through a pin shaft, the bottom end of the swing rod is provided with a measuring instrument main body, and the bottom end of the swing rod is inserted into the middle of the top end of the measuring instrument main body in a threaded mode.

Preferably, a protective cover is fixedly arranged at the top end of one side, away from the extension rod, of the vertical plate, and a straight groove matched with the sliding block is formed in one side, close to the vertical plate, of the protective cover.

Preferably, the inner side wall of the straight groove is fixedly provided with a slip increasing layer, and the slip increasing layer is attached to and connected with the sliding block.

Preferably, a plurality of damping bulges are fixedly arranged on the outer side wall of the rotating block and distributed in an annular array.

Preferably, the swing rod is movably sleeved with a limiting ring, and the limiting ring is positioned on one side of the bottom of the extension rod.

Preferably, the two sides of the limiting ring are fixedly provided with connecting rods which are obliquely arranged, and the bottom ends of the connecting rods are fixedly connected with one side of the top end of the measuring instrument main body.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a setting of pendulum rod, pendulum rod and extension rod are connected through the round pin axle rotation to set up the measuring apparatu main part in the bottom of pendulum rod, because the action of gravity, no matter how the device is put, the pendulum rod can remain vertical all the time, thereby make the measuring apparatu main part level, need not staff's regulation level, convenient to use, and through rotating the turning block, drive the lead screw and rotate, can drive the slider and reciprocate in the spout, thereby adjust the height of slider, extension rod, pendulum rod and measuring apparatu main part, be favorable to conveniently carrying out the measurement of different heights, improve the practicality;

2. the sliding layer is made of polytetrafluoroethylene, and the polytetrafluoroethylene has extremely low friction coefficient, so that the friction force and the abrasion of the sliding block are reduced; through the arrangement of the limiting ring and the connecting rod, the swing rod can be limited, so that the main body of the measuring instrument and the swing rod can be relatively vertical to each other during installation, and the levelness of the main body of the measuring instrument is guaranteed.

Drawings

Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention.

Fig. 2 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

Fig. 3 is a schematic view of the vertical plate structure of the present invention.

In the figure: 1. a base; 2. a vertical plate; 3. a meter body; 4. a chute; 5. a slider; 6. a screw rod; 7. an extension rod; 8. a swing rod; 9. rotating the block; 10. a square groove; 11. a protective cover; 12. a straight groove; 13. a slip layer; 14. a damping projection; 15. a limiting ring; 16. a connecting rod.

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.

The utility model provides a forced centering device for precision engineering measurement as shown in figures 1-3, which comprises a base 1, a vertical plate 2 and a measuring instrument main body 3, wherein the vertical plate 2 is fixedly arranged at the middle part of the top end of the base 1, the top end and the bottom end of one side of the vertical plate 2 are respectively provided with a sliding chute 4 and a square groove 10 in a penetrating way, a sliding block 5 is movably arranged in the sliding chute 4, the two ends of the sliding block 5 respectively extend to the two sides of the vertical plate 2, a screw 6 is arranged in the middle part of the sliding block 5 in a penetrating way, the bottom end of the screw 6 penetrates through the inner wall of the bottom end of the sliding chute 4 and extends into the square groove 10, the two ends of the screw 6 are rotatably connected with the inner wall of the sliding chute 4 through bearings, a rotating block 9 is fixedly arranged at the bottom end of the screw 6, an extension rod 7 is fixedly arranged at one end of the sliding block 5, and a swing rod 8 is arranged at one end of the extension rod 7 far away from the sliding block 5, and the top of pendulum rod 8 is rotated with extension rod 7 through the round pin axle and is connected, the bottom of pendulum rod 8 is provided with measuring apparatu main part 3, and the bottom screw thread of pendulum rod 8 inserts the top middle part of measuring apparatu main part 3, through the setting of pendulum rod 8, pendulum rod 8 is connected through the round pin axle rotation with extension rod 7, and set up measuring apparatu main part 3 in the bottom of pendulum rod 8, because the action of gravity, no matter how the device is put, pendulum rod 8 can remain vertical throughout, thereby make measuring apparatu main part 3 level, need not staff's regulation level, high durability and convenient use, and through rotating commentaries on classics piece 9, drive lead screw 6 and rotate, can drive slider 5 and reciprocate in spout 4 inside, thereby adjust slider 5, extension rod 7, the height of pendulum rod 8 and measuring apparatu main part 3, be favorable to conveniently carrying out the measurement of different heights, and the practicality is improved.

Further, the fixed safety cover 11 that is provided with in one side top that the extension rod 7 was kept away from to riser 2, straight flute 12 with 5 looks adaptations of slider is seted up to one side that safety cover 11 is close to riser 2, the fixed layer 13 that increases that is provided with of inside wall of straight flute 12, and increases that layer 13 and slider 5 laminating are connected, and through the setting that increases layer 13, increase layer 13 that slides and make for polytetrafluoroethylene, polytetrafluoroethylene has minimum coefficient of friction, is favorable to reducing frictional force, reduces slider 5's wearing and tearing.

Secondly, the fixed a plurality of protruding 14 of damping that are provided with of lateral wall of commentaries on classics piece 9, and a plurality of protruding 14 of damping are annular array and distribute, the activity cup joints on the pendulum rod 8 and is provided with spacing ring 15, and spacing ring 15 is located bottom one side of extension rod 7, the both sides of spacing ring 15 are all fixed and are provided with the connecting rod 16 that is the slope setting, and the bottom of connecting rod 16 and the top one side fixed connection of measuring apparatu main part 3, through the setting of spacing ring 15 and connecting rod 16, can carry on spacingly to pendulum rod 8, and measuring apparatu main part 3 and pendulum rod 8 can be relatively perpendicular when making the installation, guarantee the levelness of measuring apparatu main part 3.

The utility model discloses the theory of operation:

during the use, because pendulum rod 8 is connected through the round pin axle rotation with extension rod 7, and set up measuring apparatu main part 3 in the bottom of pendulum rod 8, because the action of gravity, no matter how the device is put, pendulum rod 8 can remain vertical throughout, thereby make measuring apparatu main part 3 level, in the use, through rotating commentaries on classics piece 9, it rotates to drive lead screw 6, can drive slider 5 and reciprocate in spout 4 is inside, thereby adjust the slider 5, extension rod 7, the height of pendulum rod 8 and measuring apparatu main part 3, be favorable to conveniently carrying out the measurement of co-altitude, the high practicality is improved.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a precision engineering measurement forces homing device which characterized in that: the measuring instrument comprises a base (1), a vertical plate (2) and a measuring instrument main body (3), wherein the vertical plate (2) is fixedly arranged in the middle of the top end of the base (1), a sliding groove (4) and a square groove (10) are respectively formed in the top end and the bottom end of one side of the vertical plate (2) in a penetrating mode, a sliding block (5) is movably arranged in the sliding groove (4), the two ends of the sliding block (5) respectively extend to the two sides of the vertical plate (2), a lead screw (6) is arranged in the middle of the sliding block (5) in a penetrating mode in a threaded mode, the bottom end of the lead screw (6) penetrates through the inner wall of the bottom end of the sliding groove (4) and extends into the square groove (10), the two ends of the lead screw (6) are rotatably connected with the inner wall of the sliding groove (4) through a bearing, a rotating block (9) is fixedly arranged at the bottom end of the lead screw (6), an extending rod (7) is fixedly arranged at one end of the sliding block (5), and an extending rod (7) far away from the sliding block (5) is provided with a swinging rod (8), the top end of the swing rod (8) is rotatably connected with the extension rod (7) through a pin shaft, the bottom end of the swing rod (8) is provided with the measuring instrument main body (3), and the bottom end of the swing rod (8) is inserted into the middle of the top end of the measuring instrument main body (3) in a threaded mode.

2. The precision engineering measurement forced centering device according to claim 1, wherein: the vertical plate (2) is far away from the top end of one side of the extension rod (7) and is fixedly provided with a protective cover (11), and one side, close to the vertical plate (2), of the protective cover (11) is provided with a straight groove (12) matched with the sliding block (5).

3. The precision engineering measurement forced centering device according to claim 2, wherein: and the inner side wall of the straight groove (12) is fixedly provided with a slip increasing layer (13), and the slip increasing layer (13) is attached and connected with the sliding block (5).

4. The precision engineering measurement forced centering device according to claim 3, wherein: the outer side wall of the rotating block (9) is fixedly provided with a plurality of damping protrusions (14), and the plurality of damping protrusions (14) are distributed in an annular array.

5. The precision engineering measurement forced centering device according to claim 4, wherein: the swing rod (8) is movably sleeved with a limiting ring (15), and the limiting ring (15) is located on one side of the bottom of the extension rod (7).

6. The precision engineering measurement forced centering device according to claim 5, wherein: and connecting rods (16) which are obliquely arranged are fixedly arranged on two sides of the limiting ring (15), and the bottom ends of the connecting rods (16) are fixedly connected with one side of the top end of the measuring instrument main body (3).