CN218916165U

CN218916165U - Investigation instrument

Info

Publication number: CN218916165U
Application number: CN202222971528.6U
Authority: CN
Inventors: 韦向诚
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-04-25
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to the technical field of measuring tools and discloses a survey instrument, which comprises a protective cover, wherein the top of the protective cover is connected with a sealing cover through a bolt, the inner wall of the protective cover is inserted with a rotatable positioning shaft, the outer surface of the positioning shaft is clamped with a measurable flexible rule, one end of the flexible rule is fixedly connected with a spacing clamping ring, the bottom of the protective cover is fixedly connected with a guidable guide plate, the inner wall of the guide plate is clamped with a main measuring rule capable of assisting sliding, and both sides of the main measuring rule are inserted with sliding auxiliary measuring rules. This investigation appearance sets up through the cooperation of flexible rule and snap ring, can be directly with the one end card of flexible rule at the surface of flexible rule to can make its surface of pasting the forest of at utmost when taut flexible rule, guarantee measuring data's accuracy, and the snap ring can very convenient carry out the joint, thereby more be favorable to staff in-service use, promote the practicality of device.

Description

Investigation instrument

Technical Field

The utility model relates to the technical field of measuring tools, in particular to a survey instrument.

Background

The breast diameter is also called dry diameter, which refers to the diameter of the trunk of arbor from the breast height of the ground, when the cross section is deformed, the average value of the maximum value and the minimum value is measured, the breast heights of different people are different, the regulations of different countries on the breast diameter are different, and the breast height position of China and most countries is defined as the height of 1.3 meters above the ground.

The utility model discloses a surrounding ruler for measuring the diameter of forest trees in forestry production practice and forestry research, which relates to the technical field of measuring tools and comprises a circular box body with an opening, wherein a central shaft is arranged in the box body, a plane scroll spring is arranged on the central shaft and connected with the inner end of a ruler strip, a needling piece is arranged at the near outer end of the ruler strip and is perpendicular to the ruler surface of the ruler strip, and a pull ring is connected with the large end of the needling piece.

However, when the utility model is actually used, the following problems exist:

1. in the using process, a worker needs to hold the two ends of the device by both hands so as to measure the data, but gaps and offset are easy to appear in the measuring process, so that the situation of inaccurate measured data appears;

2. and when the device is used for measuring the breast diameter of a growing tree, the whole error is large because the device is usually observed by human eyes.

Disclosure of Invention

(one) solving the technical problems

In order to overcome the defects in the prior art, the utility model provides a survey meter, which solves the problems in the prior art that:

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a investigation appearance, includes the visor that the top has sealed lid through bolted connection, the inner wall grafting of visor has rotatable locating shaft, the surface joint of locating shaft has measurable flexible rule, but the one end fixedly connected with of flexible rule is spacing, but the bottom fixedly connected with deflector of visor direction, the inner wall joint of deflector has the main dipperstick that can assist the slip, the both sides of main dipperstick all peg graft and have slidable auxiliary dipperstick.

Optionally, the top fixedly connected with of locating shaft can be fixed solid fixed ring, but the top fixed mounting of sealed lid has the motor of drive, the output of motor passes through key connection with the inside wall of solid fixed ring, but the top fixedly connected with protective housing of sealed lid.

Optionally, one side screw thread of locating shaft surface wears to be equipped with the depression bar that can fix, the depression bar penetrates the one end of locating shaft and supports the outer wall of tight tape, makes tape fastening connection in one side of locating shaft.

Optionally, the surface of visor and sealed lid all has seted up the spout that can lead, the inner wall and the surface joint of flexible rule of spout.

Optionally, the side of main dipperstick begins also can assist the guide way of slip, the inner wall joint in guide way has the locating piece of slidable.

Optionally, one side fixedly connected with of auxiliary measuring scale can spacing stopper, one side of stopper is connected with rotatable dog through the pivot.

(III) beneficial effects

The utility model provides a survey instrument, which has the following beneficial effects:

1. this investigation appearance sets up through the cooperation of flexible rule and snap ring, can be directly with the one end card of flexible rule at the surface of flexible rule to can make its surface of pasting the forest of at utmost when taut flexible rule, guarantee measuring data's accuracy, and the snap ring can very convenient carry out the joint, thereby more be favorable to staff in-service use, promote the practicality of device.

2. This investigation appearance, through the cooperation setting of main dipperstick and auxiliary dipperstick, can carry out accurate measurement according to the width of trees to auxiliary dipperstick can further lengthen on the basis of main dipperstick, thereby enlarges the measuring range of device, in the auxiliary dipperstick is retrieved main dipperstick after, can reduce the space that the device occupy moreover, thereby more conveniently carries and accomodates the device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the mounting structure of the guide plate of the present utility model;

FIG. 3 is a schematic view of the explosive structure of the sealing cover of the present utility model;

fig. 4 is a schematic diagram of the explosive structure of the main measuring scale of the utility model.

In the figure: 1. a protective cover; 2. sealing cover; 3. positioning a shaft; 4. a fixing ring; 5. a flexible rule; 6. a compression bar; 7. a chute; 8. a motor; 9. a protective shell; 10. a clasp; 11. a guide plate; 12. a main measuring ruler; 13. a guide groove; 14. a positioning block; 15. an auxiliary measuring ruler; 16. and a stop block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the investigator comprises a protective cover 1, wherein the top of the protective cover is connected with a sealing cover 2 through a bolt, a rotatable positioning shaft 3 is inserted into the inner wall of the protective cover 1, a fixable fixing ring 4 is fixedly connected to the top of the positioning shaft 3, a drivable motor 8 is fixedly arranged at the top of the sealing cover 2, the output end of the motor 8 is connected with the inner side wall of the fixing ring 4 through a key, a protectable protective shell 9 is fixedly connected to the top of the sealing cover 2, and the positioning shaft 3 can be connected with the motor 8 through the arrangement of the fixing ring 4, so that the motor 8 is more beneficial to driving the positioning shaft 3, and flexible rule 5 is more convenient to wind;

the outer surface of the positioning shaft 3 is clamped with a measurable flexible rule 5, one side of the outer surface of the positioning shaft 3 is threaded and provided with a fixable compression bar 6, one end of the compression bar 6 penetrating into the positioning shaft 3 is abutted against the outer wall of the flexible rule 5, the flexible rule 5 is fixedly connected to one side of the positioning shaft 3, the outer surfaces of the protective cover 1 and the sealing cover 2 are provided with a guidable chute 7, the inner wall of the chute 7 is clamped with the outer surface of the flexible rule 5, the connection stability of the flexible rule 5 between the positioning shafts 3 can be ensured through the arrangement of the compression bar 6, and the sliding of the flexible rule 5 can be assisted and guided through the arrangement of the chute 7;

one end of the flexible rule 5 is fixedly connected with a spacing clamping ring 10, the bottom of the protective cover 1 is fixedly connected with a guide plate 11 capable of guiding, the inner wall of the guide plate 11 is clamped with a main measuring rule 12 capable of assisting sliding, one side of the main measuring rule 12 is provided with a guide groove 13 capable of assisting sliding, the inner wall of the guide groove 13 is clamped with a sliding positioning block 14, the flexible rule 5 can be conveniently butted through the arrangement of the clamping ring 10, workers can more conveniently tighten and measure the flexible rule 5, thereby measuring the thickness of trees more conveniently, the chest diameter of the trees can be measured in the measuring range of the main measuring rule through the matching arrangement of the main measuring rule 12 and the positioning block 14, and the sliding of the positioning block 14 can be assisted and guided through the arrangement of the guide groove 13;

the two sides of the main measuring ruler 12 are respectively inserted with a sliding auxiliary measuring ruler 15, one side of the auxiliary measuring ruler 15 is fixedly connected with a limiting block which can be limited, one side of the limiting block is connected with a rotatable stop block 16 through a rotating shaft, and the position of the auxiliary measuring ruler 15 can be adjusted according to actual requirements through the arrangement of the auxiliary measuring ruler 15, so that the device is suitable for thicker measuring requirements;

the electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.

In the utility model, the working steps of the device are as follows:

1. firstly, the flexible rule 5 is pulled outwards, the flexible rule 5 surrounds the tree, the clamping ring 10 is clamped on the surface of the flexible rule 5, the flexible rule 5 can be pulled out from one side, and the size of the tree can be measured;

2. secondly, the clamping ring 10 is removed from the surface of the flexible rule 5, the motor 8 is started, and the flexible rule 5 is retracted into the protective cover 1;

3. then the position of the positioning block 14 is adjusted, the main measuring ruler 12 is used for measuring the tree warps, when the measuring size is large, the auxiliary measuring ruler 15 can be pulled outwards, and the stop block 16 is used for measuring;

4. finally, resetting the device.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a investigation appearance, includes that the top has visor (1) of sealed lid (2) through bolted connection, its characterized in that: rotatable locating shaft (3) is pegged graft to inner wall of visor (1), the surface joint of locating shaft (3) has measurable flexible rule (5), but one end fixedly connected with spacing snap ring (10) of flexible rule (5), but bottom fixedly connected with deflector (11) of visor (1), but the inner wall joint of deflector (11) has auxiliary slip's main dipperstick (12), slidable auxiliary dipperstick (15) have all been pegged graft to the both sides of main dipperstick (12).

2. A survey meter according to claim 1, wherein: the top fixedly connected with of location axle (3) can be fixed solid fixed ring (4), but the top fixed mounting of sealed lid (2) has motor (8) of drive, the output of motor (8) passes through key connection with the inside wall of solid fixed ring (4), the top fixedly connected with of sealed lid (2) can protect protective housing (9).

3. A survey meter according to claim 1, wherein: one side thread of locating shaft (3) surface wears to be equipped with depression bar (6) that can fix, one end that depression bar (6) penetrated locating shaft (3) supports the outer wall of tight tape (5), makes tape (5) fastening connection in one side of locating shaft (3).

4. A survey meter according to claim 1, wherein: the outer surfaces of the protective cover (1) and the sealing cover (2) are provided with a guide chute (7), and the inner wall of the chute (7) is clamped with the outer surface of the flexible rule (5).

5. A survey meter according to claim 1, wherein: and a guide groove (13) which can assist sliding is formed in one side of the main measuring ruler (12), and a slidable positioning block (14) is clamped on the inner wall of the guide groove (13).

6. A survey meter according to claim 1, wherein: one side of the auxiliary measuring ruler (15) is fixedly connected with a limiting block capable of limiting, and one side of the limiting block is connected with a rotatable stop block (16) through a rotating shaft.