Aircraft level measurement scale
Technical Field
The utility model belongs to the technical field, and particularly relates to an aircraft horizontal measurement scale.
Background
After an aircraft has suffered serious damage, failed performance, or replaced larger components, level measurements are required to check whether the aircraft structure is deformed, and the components installed correctly.
At present, when the aircraft level measurement is implemented, the mode of manually lifting the scale is mainly adopted for measurement, and the mode can meet the basic requirement of carrying out the level measurement on the structure of the aircraft, but the steel scale is easy to shake due to the fact that the steel scale is insufficient in rigidity and is used, so that the problem that the error of measurement data is large is usually caused, and the problem that the working intensity, the load and the workload of the working personnel are large due to the fact that the working personnel are required to directly hold the steel scale for measurement is also caused, and the use requirement of people cannot be fully met.
Disclosure of utility model
In view of the defects in the prior art, the utility model provides the aircraft level measurement scale which can not only meet the basic requirement of level measurement on the aircraft structure, but also has the advantages of simple operation, capability of improving the accuracy of the level measurement of the aircrew aircraft and reducing the working intensity of staff.
In order to solve the technical problems, the technical scheme includes that the aircraft horizontal measuring scale comprises a base, at least three supporting legs are obliquely arranged at the lower end of the base, a threaded connecting piece is transversely arranged at the bottom side ends of the supporting legs respectively, an adjusting screw is arranged on the threaded connecting pieces in a threaded manner along the oblique directions of the supporting legs respectively, a fixing barrel is further arranged on the base in a penetrating manner, a supporting barrel is vertically and slidably arranged in the fixing barrel, a steel plate ruler capable of being vertically and slidably connected with the supporting barrel and the fixing barrel along with the vertical sliding of the supporting barrel is vertically and vertically arranged on the outer side wall of the supporting barrel, a tip cone for pushing up a measuring point along with user intervention is further arranged at the top of the supporting tube, a locking bolt capable of being abutted against the outer side wall of the supporting barrel to fix the connecting position of the fixing barrel and the supporting barrel is further arranged on the top of the base, and a levelness measuring device for judging whether the base is in a horizontal state or not is further arranged on the top of the base.
As a further improvement of the utility model, the base is disc-shaped, and the cross sections of the fixed cylinder and the supporting cylinder are rectangular.
As a further improvement of the utility model, a plurality of support legs are arranged at equal intervals around the bottom of the base.
As a further improvement of the utility model, the number of the supporting legs, the connecting plates and the adjusting screws is three.
As a further improvement of the utility model, the steel plate rule is placed on the outer side wall of the supporting leg, the steel plate rule is provided with a fixing screw for screw-connecting and fixing the supporting cylinder, and the supporting cylinder is provided with a screw thread fixing hole matched with the fixing screw.
As a further improvement of the utility model, the lower end of the tip cone is provided with a connecting clamping rod which is clamped and fixed with the upper end of the supporting cylinder.
As a further improvement of the utility model, the levelness measuring device is a level pipe, and the threaded connecting piece is a connecting nut.
Compared with the prior art, the utility model has the following beneficial effects:
Firstly, after a user moves the device to a proper position on the ground below an airplane, whether the base is in a horizontal state or not can be checked through levelness measurement, if the base is found to be not in the horizontal state, corresponding adjusting screws can be vertically screwed and adjusted according to the inclined condition, so that the base is kept horizontal, then a locking bolt can be loosened, the fixing of the connecting position of a supporting cylinder and a fixing cylinder is released, then a steel plate ruler, the supporting cylinder and a top cone can be synchronously moved upwards for a certain distance until the top cone is abutted against the bottom of the corresponding position of the airplane, then the locking bolt is screwed, the connecting position of the supporting cylinder and the fixing cylinder is fixed, then measured values of corresponding measuring points of the bottom of the airplane can be obtained through graduation marks on the steel plate ruler, then the measured values of other measuring points can be measured in the same mode, and deformation of the steel plate ruler can be avoided due to the fact that the steel plate ruler can be supported through the supporting cylinder, the supporting legs, the base and the fixing cylinder can be used for supporting and fixing the supporting cylinder, and the measuring points can be more conveniently read by the user, and the measuring points can be accurately measured, and the measuring error can be avoided.
Secondly, the steel plate rule is only required to be placed on the outer side wall of the supporting cylinder, and then the fixing screw penetrates through the side wall of the steel plate rule and is in threaded connection and fixation with the threaded fixing hole, so that flexible fixation of the steel plate rule and the supporting cylinder can be realized.
Thirdly, the flexible fixation on the tip cone and the supporting cylinder can be realized only by enabling the connecting clamping rod to be clamped and fixed with the supporting cylinder.
Fourth, the user can split the device into including base, fixed section of thick bamboo and the first part of supporting leg to and the second part of supporting section of thick bamboo, steel ruler, tip cone to carry portably.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the support cylinder and the threaded fixing hole of the present utility model;
FIG. 3 is a schematic view of the structure of the base, support legs, fixing barrel, locking bolt, level tube of the present utility model;
fig. 4 is a schematic structural view of the tip cone and the connecting clamping rod of the utility model.
In the figure, 101, a base, 102, supporting legs, 103, connecting nuts, 104, an adjusting screw, 105, a fixed cylinder, 106, a supporting cylinder, 107, a steel plate ruler, 108, a tip cone, 109, a locking bolt, 110, a level tube, 111, a fixing screw, 112, a threaded fixing hole, 113 and a connecting clamping rod.
Detailed Description
For a better understanding of the present utility model, the following examples are set forth to further illustrate the utility model, but are not to be construed as limiting the utility model. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details.
As shown in fig. 1, an aircraft horizontal measurement scale comprises a base 101, at least three supporting legs 102 are obliquely arranged at the lower end of the base 101, a threaded connecting piece is transversely arranged at the bottom side ends of the supporting legs 102, an adjusting screw 104 is arranged on the threaded connecting pieces in a threaded connection mode along the oblique direction of the supporting legs 102, a fixing barrel 105 is further arranged on the base 101 in a penetrating mode, a supporting barrel 106 is vertically and slidably arranged in the fixing barrel 105, a steel plate scale 107 capable of being connected with the supporting barrel 106 in a vertically and slidably mode is vertically arranged on the outer side wall of the supporting barrel 106, a tip cone 108 for pushing up a measurement point through user intervention is further arranged at the top of the supporting tube, a locking bolt 109 capable of being abutted to the outer side wall of the supporting barrel 106 to fix the joint of the fixing barrel 105 and the supporting barrel 106 is further arranged on the top of the base 101, and a levelness measurement device for judging whether the base 101 is in a horizontal state is further arranged on the top of the base 101. The levelness measuring device is a level pipe 110, and the threaded connection is a connection nut 103.
As shown in fig. 1,2 and 3, the base 101 is disc-shaped, and the cross sections of the fixed cylinder 105 and the supporting cylinder 106 are rectangular. The support cylinder 106 and the steel plate ruler 107 can be prevented from rotating relative to the fixed cylinder 105 when the support cylinder 106 and the steel plate ruler 107 are vertically and slidably adjusted relative to the fixed cylinder 105, so that the convenience of measurement is prevented from being influenced.
As shown in fig. 1, a plurality of support legs 102 are provided circumferentially at equal intervals at the bottom of the base 101. The number of support legs 102, connection plates and adjustment screws 104 is three.
As shown in fig. 1, a steel plate rule 107 is placed on the outer side wall of the support leg 102, a fixing screw 111 for screwing and fixing the support tube 106 is provided on the steel plate rule 107, and the support tube 106 is provided with a screw fixing hole 112 adapted to the fixing screw 111. The steel plate rule 107 is only required to be placed on the outer side wall of the supporting cylinder 106, and then the fixing screw 111 penetrates through the side wall of the steel plate rule 107 and is screwed and fixed with the threaded fixing hole 112, so that flexible fixing of the steel plate rule 107 and the supporting cylinder 106 can be realized.
As shown in fig. 4, a connection clamping rod 113 clamped and fixed with the upper end of the supporting cylinder 106 is arranged at the lower end of the tip cone 108. The flexible fixation of the tip cone 108 and the supporting tube 106 can be realized only by the clamping and fixing of the connecting clamping rod 113 and the supporting tube 106
After a user moves the device to a proper position on the ground below an airplane, the user can check whether the base 101 is in a horizontal state or not through levelness measurement, if the base 101 is found to be not in the horizontal state, the corresponding adjusting screw 104 can be vertically screwed and adjusted according to the inclined condition, so that the base 101 is kept horizontal, then the locking bolt 109 can be loosened, the fixing of the connecting position of the supporting cylinder 106 and the fixed cylinder 105 can be released, then the steel plate 107, the supporting cylinder 106 and the top cone 108 can be synchronously moved upwards for a certain distance until the top cone 108 is abutted against the bottom of the corresponding position of the airplane, then the locking bolt 109 is screwed, the steel plate 107 is abutted against the inner side wall of the fixed cylinder 105, the connecting position of the supporting cylinder 106 and the fixed cylinder 105 can be fixed, then the measured value of the corresponding measuring point of the bottom of the airplane can be obtained through the graduation line on the steel plate 107, and then the measured value of other measuring points can be measured in the same mode, the steel plate 107 can be prevented from being deformed, and the measuring point can be accurately read through the supporting cylinder 106, and the measuring point can be prevented from being accurately, and the measuring error can be prevented from being accurately read, and the measuring accuracy can be prevented from being more accurately.
The user can split the device into a first part comprising the base 101, the fixed cylinder 105 and the support legs 102, and a second part comprising the support cylinder 106, the steel plate ruler 107, the tip cone 108, for portable carrying.
In a further embodiment, the upper end of the adjusting screw is further provided with a screw rod (not shown in the figures), by means of which the user can more conveniently perform a screw-in adjustment of the adjusting screw.
The foregoing is a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model and are intended to be comprehended within the scope of the present utility model.