CN204036444U - Ring flange quadrant is plan - Google Patents

Abstract

The utility model provides a flange quadrant plan, which includes two cone seats, two first-level gauges, two second-level gauges and a pen stand: the upper ends of the two first-level gauges are hinged, and the lower ends of the two first-level gauges are connected to the cones through the first-level feet. Seat, and the first-level foot is hinged with the cone seat, the first-level foot and the first-level gauge are coaxial and connected through bearings; the second-level gauge is "L" shaped and symmetrically arranged above the first-level gauge, and the lower arm of the second-level gauge The pole piece is connected to the middle of the first-level gauge through the pole piece, the pole piece is perpendicular to the first-level gauge and the two are connected by bearings, the pole piece is hinged with the end of the lower arm of the second-level gauge; the two ends of the pen holder are connected to the second-level gauge through shoulders The end of the gauge upper arm, the upper end of the shoulder is hinged with the end of the pen holder, the shoulder is coaxial with the secondary gauge and its lower end is connected with the end of the secondary gauge upper arm by a bearing. Through the combination of multiple degrees of freedom formed by the hinged or bearing connection between the components, any two circular holes on the plane are used as the reference circular holes, and the quadrant line is determined on the plane parallel to the plane.

Description

Flange Quadrant Planning

technical field

The utility model belongs to the field of marking devices, in particular to a flange quadrant planning.

Background technique

During the rocket assembly process, the connection between the fuel storage tank and the fuel delivery pipe is usually connected by a double-flange joint pipe. The two ends of the double-flange joint pipe are respectively set as a small flange and a large flange. There is a circle of equally spaced round holes, the small flange needs to be inserted into the fuel delivery pipe and the two are sealed, and the large flange needs to be placed on the fuel outlet of the fuel storage tank and the two are welded.

In order to meet the accuracy requirements in the assembly process, four positioning lines are preset on the edge of the circular fuel outlet, and the four positioning lines divide the fuel port into four quadrants. During the assembly process, the four positioning lines are required to meet the requirements of the small flange. The corresponding positional relationship of the circular holes on the flange, that is, the quadrants determined by the four positioning lines must be aligned with the quadrants determined by any two circular holes on the small flange as the reference circular holes.

However, since the small flange is not directly connected to the fuel outlet, the two are not on the same plane, the four positioning lines cannot directly determine the positional relationship with the round hole on the small flange, and the fuel outlet is directly connected to the large flange, so , it is necessary to draw a line on the large flange to achieve alignment. The line drawn on the large flange must be aligned up and down with the coordinate axes of the quadrants determined by the two selected circular holes on the surface of the small flange.

Contents of the invention

The problem to be solved by the utility model is to use any two round holes on the small flange of the double-flange joint pipe as the reference round holes, draw a line on the large flange below it, and the drawn line needs to be consistent with the selected The two circular holes are aligned up and down on the coordinate axes of the quadrants defined on the small flange surface, so that the positional relationship between the preset positioning line at the fuel outlet and the circular hole on the small flange can be accurately determined during the rocket assembly process.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: the quadrant planning of the flange is a symmetrical structure, including two cone seats, two first-level gauges, two second-level gauges and a pen holder:

The upper ends of the two first-level gauges are hinged, and the lower ends are connected to the cone seat through the first-level foot, and the first-level foot is hinged to the cone seat, and the first-level foot and the first-level gauge are coaxial and connected through bearings;

The second level gauge is "L" shaped and symmetrically arranged above the first level gauge. The lower arm of the second level gauge is connected to the middle of the first level gauge through the pole piece. The pole piece is perpendicular to the first level gauge and the two pass through the bearing. Connection, the pole piece is hinged with the end of the lower arm of the secondary gauge;

The two ends of the pen holder connect the end of the upper arm of the secondary gauge through the shoulder, the upper end of the shoulder is hinged with the end of the pen holder, the shoulder is coaxial with the secondary gauge and its lower end is connected with the end of the upper arm of the secondary gauge through a bearing.

Through the combination of multiple degrees of freedom formed by hinges or bearing connections between the components, the first-level gauge and the second-level gauge can be flipped relative to the vertical plane determined by the two reference circular holes, while the pen holder can be turned through the combination of degrees of freedom. Keep it level so that you can ensure that the paintbrush draws lines evenly on the surface of the large flange.

Among them, in order to adapt to different diameters of the reference circular holes on the double-flange joint pipes of different sizes, the lower part of the cone seat is detachably provided with a conical head, the lower part of the conical head is set as a conical rod matching the reference circular hole, and the upper part It is set as a circular head whose bottom surface diameter is larger than the diameter of the reference circular hole and protrudes upwards, and the bottom surface of the cone seat is provided with a limiting blind hole matching the circular head.

Further, in order to ensure that the two shoulders turn over the same angle relative to the pen holder during the flipping process of the flange quadrant planning, the upper ends of the two shoulders are set to be circular, and the end faces are provided with meshing teeth, and the two shoulders The upper ends are meshed by meshing teeth.

Further, the two hinged parts are connected by a hinge structure, the hinge structure includes a pin shaft and a spring circlip, and the two ends of the pin shaft are provided with annular slots for the spring circlip to buckle.

Further, in order to prevent the hinge from affecting the accuracy of the utility model, the hinged ends of the two parts that are hinged to each other are set to be mutually clamped, that is, the hinged end of one of the parts is set as a hinge extending along its central axis, and the other The hinged end of the component is set as two hinged clips symmetrical to its central axis, and a space for clamping the hinged clip is provided between the two hinged clips.

The utility model has the advantages and positive effects: through the combination of multiple degrees of freedom formed by hinged or bearing connections between the parts, the first-level gauge and the second-level gauge can be compared to the vertical plane determined by the two reference circular holes. Flip over, using any two round holes on the plane as the reference round hole, the quadrant can be determined on the plane parallel to the plane, that is, the two round holes on the small flange as the reference round hole can be realized on the large flange On the plate, draw an alignment auxiliary line aligned up and down with the coordinate axis of the quadrant determined by the reference circular hole on the small flange surface, so as to realize the precise positioning of the positioning line at the fuel outlet and the assembly position of the circular hole on the small flange . The utility model can not only be used in the field of rocket assembly, but also be applicable to all situations where it is necessary to determine a quadrant on a plane parallel to the plane based on any two points on the plane.

Description of drawings

Fig. 1 is a structural representation of the utility model

Fig. 2 is a schematic diagram of the structure of the cooperation between the cone head and the cone seat in the utility model

Fig. 3 is the structural representation of the pin shaft and the retaining ring in the utility model

Fig. 4 is the front view and the side view schematic diagram of two primary gauges in the utility model

Fig. 5 is the main view and side view schematic diagram of secondary gauge in the utility model

Fig. 6 is a front view and a side view schematic diagram of the first-level foot in the utility model

Fig. 7 is the schematic diagram of front view and side view of the pole spacer in the utility model

In the figure: 1-cone seat, 2-level gauge, 3-level gauge, 31-lower arm, 32-upper arm, 4-pen holder, 5-level foot, 6-pole spacer, 7-shoulder, 8 -Conical head, 81-Conical rod, 82-Round head, 83-Limited blind hole, 9-Pin shaft, 10-Spring retaining ring, 11-Hinge piece, 12-Hinge clip

Detailed ways

Specific embodiments of the present utility model are described in detail below in conjunction with accompanying drawings.

The design idea of the utility model is: select any two circular holes on the small flange as the reference circular holes, use the flange quadrant plan provided by the utility model to draw an alignment auxiliary line on the large flange surface below it, so The alignment auxiliary line drawn should be aligned up and down with the coordinate axis of the quadrant determined by the selected two round holes on the small flange surface.

As shown in Figure 1, the quadrant plan of the flange is a symmetrical structure, including two cone seats 1, two first-level gauges 2, two second-level gauges 3 and a pen holder 4:

The upper ends of the two primary gauges 2 are hinged, and the lower ends thereof are connected to the cone seat 1 through the primary foot 5, and the primary foot 5 is hinged to the cone seat 1, and the primary foot 5 is coaxial with the primary gauge 2 and connected through a bearing;

The secondary gauge 3 is "L" shaped and symmetrically arranged above the primary gauge 2. The lower arm 31 of the secondary gauge 3 is connected to the middle of the primary gauge 2 through the pole piece 6. The pole piece 6 is perpendicular to a The level gauge 2 and the two are connected by bearings, and the pole piece 6 is hinged to the end of the lower arm 31 of the level gauge 3;

The two ends of pen holder 4 connect the end of secondary gauge 3 upper arm 32 by shoulder 7, the upper end of shoulder 7 is hinged with the end of pen holder 4, shoulder 7 is coaxial with secondary gauge 3 and its lower end is with secondary gauge 3 upper arm 32 The ends are connected by bearings.

The components are hinged or bearing connected, through the combination of multiple degrees of freedom, the primary gauge 2 and the secondary gauge 3 can be flipped relative to the vertical plane determined by the two reference circular holes, while the pen holder 4 can pass through the degree of freedom The combination is kept horizontal, so as to ensure that the paintbrush draws lines evenly on the surface of the large flange.

When using this flange quadrant planning plan, you can directly insert the cone seat 1 into the two reference round holes, as long as you ensure that the cone seat 1 can just rotate in the reference round hole, but the double flange joint pipes of different sizes often Correspondingly provided with reference round holes of different diameters, in order to adapt to double-flange joint pipes of different sizes, the utility model provides an embodiment as shown in Figure 2:

The bottom of the taper seat 1 is detachably provided with a taper head 8, the lower part of the taper head 8 is set as a taper rod 81 matching the reference circular hole, and its upper part is set as a circle whose bottom surface diameter is larger than the diameter of the reference circular hole and protrudes upwards. The bottom surface of the head 82 and the cone seat 1 is provided with a limiting blind hole 83 matching the round head 82 . The reference circular holes of different diameters can be selected to use the matching taper head 8, the taper rod 81 of the taper head 8 can be rotatably inserted into the reference circular hole, the limiting blind hole 83 of the taper seat 1 is placed on the top of the round head 82 and The cone seat 1 can rotate relative to the round head 82 .

During the overturning process of the pen holder 4 and the secondary gauge 3, in order to meet the requirements of the combination of multiple degrees of freedom, the two shoulders 7 will rotate around their hinged shafts with the pen holder 4, in order to further ensure that the two shoulders 7 rotate relative to the pen holder 4 The angles are the same, the upper ends of the two shoulders 7 are set to be circular, and engaging teeth are provided on the end faces, and the upper ends of the two shoulders 7 are engaged by the engaging teeth.

As mentioned above, the primary foot 5 is hinged to the cone seat 1, the pole piece 6 is hinged to the secondary gauge 3, and the shoulder 7 is hinged to the pen holder 4, as long as the hinged two can rotate around the hinge axis and will not be scattered. , the utility model provides a hinged structure as shown in Figure 3, including a pin 9 and a retaining ring 10, and the two ends of the pin 9 are provided with annular slots 91 for snapping the retaining ring 10. The hinged ends of the two that need to be hinged are sleeved on the outer circumference of the pin shaft 9, and the two spring retaining rings 10 are respectively stuck in the annular slots 91 at the two ends of the pin shaft 9, so that the hinged ends of the two are clamped between the two spring retainers. Between rings 10, realize hinged joint and guarantee that two hinged ends can not disengage from bearing pin 9.

In order to further improve the marking accuracy of the quadrant plan of the flange, it is necessary to ensure that the central axes of the two hinged parts are on the same plane. To this end, the present invention provides an embodiment: the hinged ends of the two hinged parts are arranged as Mutually clamped, that is, the hinged end of one of the components is set as a hinged piece 11 extending along its central axis, and the hinged end of the other component is set as two hinged clips 12 that are symmetrical about its central axis and the two pieces are hinged. Spaces for clamping the hinge piece 11 are provided between the clip pieces 12 .

Specifically, as shown in Figures 4 to 7, the upper ends of the two primary gauges 2 are respectively set as hinged pieces 22 and hinged clips 12; the ends of the lower arms 31 of the secondary gauge 3 are set as hinged clips 12, The end of the interpolar part 6 hinged to it is set as a hinge piece 11 ;

The working principle of the utility model is: when in use, first put the cone seat 1 or the cone head 8 of different sizes into the two reference circular holes on the small flange plate, and clamp the paintbrush in the pen holder 4, and use one hand Press on the first-level foot 5 to ensure that the rotation axis of the cone seat 1 is vertical, and hold the pen holder 4 on the other hand, turn over the first-level gauge 2, the second-level gauge 3 and the pen holder 4, so that the tip of the brush touches the upper surface of the large flange , and draw a trace on the upper surface of the large flange from outside to inside. This trace is the perpendicular line connecting the centers of the two reference circular holes, and then put the first-level gauge 2, the second-level gauge 3 and the pen holder 4 in opposite directions. Turn the direction to the other side of the large flange, and draw a trace on the other side of the large flange according to the above steps. This trace is also the perpendicular line connecting the centers of the two reference circular holes. These two traces are alignment auxiliary lines, which are aligned with one of the coordinate axes of the quadrants determined by the two reference circular holes, and the marking process is now complete.

The two alignment auxiliary lines drawn are aligned with the positioning line at the fuel outlet to complete the precise positioning of the positioning line at the fuel outlet and the assembly position of the round hole on the small flange.

An embodiment of the present utility model has been described in detail above, but the content described is only a preferred embodiment of the present utility model, and cannot be considered as limiting the implementation scope of the present utility model. All equal changes and improvements made according to the application scope of the utility model should still belong to the scope covered by the patent of the utility model.

Claims (6)

1. The quadrant planning of the flange is characterized in that it is a symmetrical structure, including two cone seats (1), two first-level gauges (2), two second-level gauges (3) and a pen holder (4): The upper ends of the two primary gauges (2) are hinged, and the lower ends are connected to the cone seat (1) through the primary foot (5), and the primary foot (5) is hinged to the cone seat (1), and the primary foot (5) is connected to the cone seat (1). The primary gauge (2) is coaxial and connected through bearings; The secondary gauge (3) is "L" shaped and symmetrically arranged above the primary gauge (2), and the lower arm (31) of the secondary gauge (3) is connected to the primary gauge ( In the middle of 2), the interpole piece (6) is perpendicular to the primary gauge (2) and the two are connected by bearings, and the pole piece (6) is hinged to the end of the lower arm (31) of the secondary gauge (3); The two ends of pen holder (4) connect the end of secondary gauge (3) upper arm (32) by shoulder (7), the upper end of shoulder (7) is hinged with the end of pen holder (4), shoulder (7) and secondary The gauge (3) is coaxial and its lower end is connected with the end of the upper arm (32) of the secondary gauge (3) by a bearing. 2. The flange quadrant planning plan according to claim 1, characterized in that: a conical head (8) is detachably arranged under the conical seat (1), and the lower part of the conical head (8) is set to be aligned with the reference circle The taper rod (81) that hole matches, its top is set to the round head (82) that the diameter of bottom surface is greater than the diameter of datum circular hole and protrudes upwards, and the bottom surface of taper seat (1) is provided with the round head (82) that matches with round head (82). The limiting blind hole (83). 3. The flange quadrant planning plan according to claim 1, characterized in that: the upper ends of the two shoulders (7) are set to be circular, and the end faces are provided with meshing teeth, the two shoulders (7) The upper ends are meshed with each other through meshing teeth. 4. The flange quadrant planning plan according to claim 1, characterized in that: the two hinged parts are connected by a hinged structure, and the hinged structure is: comprising a pin shaft (9) and a retaining ring (10 ), the two ends of the pin shaft (9) are provided with an annular draw-in groove (91) for the buckle of the snap ring (10). 5. The flange quadrant planner according to claim 1, characterized in that: the hinged ends of the two hinged parts are set to be clamped to each other, that is, the hinged end of one of the parts is set to be along its central axis Extended hinged piece (11), the hinged end of another part is arranged as two hinged clips (12) symmetrical about its central axis and is provided with for clamping hinged piece (12) between two hinged clips (12) 11) The void. 6. The flange quadrant planning plan according to claim 5, characterized in that: the upper ends of the two first-level rules (2) are respectively set as hinged pieces (11) and hinged clips (12); (3) The end of the lower arm (31) is set as a hinged clip (12), and the end of the interpolar piece (6) hinged therewith is set as a hinged piece (11); The lower end is set as a hinged clip (12), and the corresponding cone seat (1) is set as a hinged piece (11).