Shield tunneling machine thrust oil cylinder piston central axis detection equipment

Abstract

The utility model relates to the technical field of oil cylinder detection, and discloses a shield tunneling machine thrust oil cylinder piston central axis detection device, which comprises a frame body and a connecting frame, a mounting frame is fixedly connected in the frame body, an oil cylinder body is arranged in the mounting frame, one side of the frame body is provided with a locking component for fixing the oil cylinder body, and the other side of the frame body is provided with a locking component for locking the oil cylinder body. A measuring frame is connected in the frame body in a sliding mode, a connecting groove is formed in the measuring frame, and the connecting frame can be connected with the connecting groove in an inserted mode. One end of the piston rod of the oil cylinder body extends and is inserted into the insertion hole, then the painting brush is in contact with a drawing board, and then the piston rod continuously extends and extrudes the measuring frame through the limiting ring, so that the measuring frame slowly moves backwards through the damping assembly; the connecting frame shakes in the connecting groove, so that the paintbrush moves and marks on the drawing board, the central axis of the oil cylinder is rapidly measured, and use is easy and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of oil cylinder detection, and more specifically to a device for detecting the central axis of a shield machine propulsion oil cylinder piston. Background Art

[0002] The shield machine is inseparable from the oil cylinder, among which the thrust cylinder is used to propel the head of the shield machine forward. If the force direction of the cylinder piston rod head does not coincide with the center axis of the piston rod, it will cause accidents such as oil leakage in the thrust cylinder, seal damage, piston rod bending, and jamming.

[0003] After searching, a Chinese patent document with announcement number CN216478178U discloses a shield machine propulsion cylinder test equipment that can reduce the incidence of propulsion cylinder shaking or cylinder pulling. However, the following defects still exist: if opposed double cylinders are used for testing, if the force directions of the piston rod heads of the two cylinders do not coincide with the center axis of the piston rod, multiple measurements are required to determine the specific deviation, resulting in low efficiency in measuring the center axis of the cylinder. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a device for detecting the center axis of a shield machine propulsion cylinder piston to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical scheme: a shield machine propulsion cylinder piston center axis detection equipment, comprising a frame and a connecting frame, the frame body is fixedly connected with a mounting frame, the mounting frame is provided with a cylinder body, one side of the frame body is provided with a locking component for fixing the cylinder body, a measuring frame is slidably connected with the frame body, a connecting groove is provided in the measuring frame, and the connecting groove and the connecting frame can be plugged, the connecting groove and the connecting frame are connected by an elastic supporting component, one side of the connecting frame is fixedly connected with a limiting ring, the top of the measuring frame is provided with a slot, a plug-in board is plugged in the slot, a drawing board is provided inside the plug-in board, and the center line of the drawing board and the connecting slot coincide, the connecting frame is slidably connected with a fixing ring, the fixing ring is fixedly connected with a movable column inside, one end of the movable column can pass through the connecting frame and is fixedly connected with a paintbrush, the other end of the movable column is provided with a jack, one side of the fixing ring is fixedly connected with a plurality of second springs, and one end of the second spring is fixed to an inner wall of one side of the connecting frame, and a damping component for blocking the measuring frame is provided between the measuring frame and the frame body.

[0006] As a further solution of the utility model, the outer diameter of the limiting ring is much larger than the inner diameter of the connecting groove, and forms a covering barrier for the connecting groove, and the outer wall of the connecting frame is smaller than the inner wall of the connecting groove.

[0007] As a further solution of the utility model, the paintbrush can be in contact with the drawing board, and the center line of the paintbrush coincides with the center line of the drawing board.

[0008] As a further solution of the utility model, a plurality of guide rods are fixedly connected inside the connecting frame, and the guide rods are slidably connected to the fixing ring.

[0009] As a further solution of the utility model, the elastic supporting component is a leaf spring, and two ends of the leaf spring are respectively fixed to the circumferential inner wall of the connecting groove and the circumferential outer wall of the connecting frame.

[0010] As a further solution of the utility model, the damping assembly includes a damper, two ends of which are respectively fixed to the frame body and the measuring frame, a first spring is sleeved on the circumferential outer side of the damper, and the two ends of the first spring are respectively fixed to the frame body and the measuring frame, a plurality of sliding rods are fixedly connected to the inner wall of one side of the frame, and the sliding rods are slidably connected to the measuring frame.

[0011] As a further solution of the utility model, the locking assembly is a blocking frame, which is detachably connected to one side of the frame body by screws, and the blocking frame is detachably connected to the cylinder body by screws, and the blocking frame forms a blockage for the cylinder body.

[0012] As a further solution of the utility model, auxiliary rollers are rotatably connected inside the mounting frame and the frame body, and the auxiliary rollers are in contact with the oil cylinder body.

[0013] Technical effects and advantages of the utility model:

[0014] 1. In the utility model, one end of the piston rod of the oil cylinder body is extended and inserted into the socket, and then the paintbrush is put in contact with the drawing board. Then the piston rod continues to extend and squeezes the measuring frame through the limit ring, so that the measuring frame slowly moves backward through the damping assembly. When the piston rod is deflected, the connecting frame shakes in the connecting groove, so that the paintbrush moves and marks on the drawing board, so that the center axis of the oil cylinder can be quickly measured. It is simple and convenient to use.

[0015] 2. The utility model shortens the force of the damper, so that the measuring frame moves more smoothly, and the sliding rod can further guide and locate the moving position of the measuring frame, effectively improving the measurement accuracy.

[0016] 3. The utility model uses a leaf spring to achieve an elastic and soft connection between the connection slot and the connection frame, so that the connection slot and the connection frame are connected and fixed, and the connection frame can swing in the connection slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model.

[0019] Figure 3 It is a schematic diagram of the partial decomposition structure of the utility model.

[0020] Figure 4 It is a partial enlarged structural schematic diagram of the utility model.

[0021] The accompanying drawings are marked as follows: 1. frame; 2. mounting frame; 3. cylinder body; 4. baffle frame; 5. damper; 6. slide rod; 7. first spring; 8. measuring frame; 9. auxiliary roller; 10. plug board; 11. drawing board; 12. slot; 13. movable column; 14. socket; 16. connecting groove; 17. leaf spring; 18. connecting frame; 19. limit ring; 20. brush; 21. second spring; 22. fixing ring; 23. guide rod. DETAILED DESCRIPTION

[0022] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0023] Reference Figure 1-Figure 4The utility model provides a shield machine propulsion cylinder piston center axis detection device, including a frame 1 and a connecting frame 18, the frame 1 is fixed with a mounting frame 2 by bolts, the mounting frame 2 is provided with a cylinder body 3, one side of the frame 1 is provided with a locking assembly for fixing the cylinder body 3, a measuring frame 8 is slidably connected in the frame 1, a connecting groove 16 is provided in the measuring frame 8, and the connecting groove 16 and the connecting frame 18 can be plugged, the connecting groove 16 and the connecting frame 18 are connected by an elastic supporting component, a limiting ring 19 is welded on one side of the connecting frame 18, a slot 12 is provided on the top of the measuring frame 8, and the slot 1 2 is inserted into the plug board 10, the plug board 10 is provided with a drawing board 11 inside, and the drawing board 11 coincides with the center line of the connecting groove 16, the connecting frame 18 is slidably connected with a fixing ring 22 inside, the fixing ring 22 is fixed with a movable column 13 by bolts inside, one end of the movable column 13 can pass through the connecting frame 18 and is fixed with a paintbrush 20 by bolts, the other end of the movable column 13 is provided with a plug hole 14, one side of the fixing ring 22 is fixed with a plurality of second springs 21 by bolts, and one end of the second spring 21 is fixed to the inner wall of one side of the connecting frame 18, and a blocking member for the measuring frame 8 is provided between the measuring frame 8 and the frame body 1 The outer diameter of the limit ring 19 is much larger than the inner diameter of the connecting groove 16, and the connecting groove 16 is covered and blocked. The outer wall of the connecting frame 18 is smaller than the inner wall of the connecting groove 16. The paintbrush 20 can contact the drawing board 11, and the center line of the paintbrush 20 coincides with the center line of the drawing board 11. The cylinder body 3 is fixed to the inside of the frame 1 through the locking assembly. Then, during the detection, the cylinder body 3 is started, and one end of the piston rod of the cylinder body 3 is extended and inserted into the socket 14. Then, the movable column 13 is forced to drive the fixing ring 22 to move inward along the inside of the connecting frame 18 and put the paintbrush 20 in contact with the drawing board 11. state, and then one end of the piston rod continues to extend and causes the fixing ring 22 to squeeze the measuring frame 8 through the connecting frame 18 and the limit ring 19, so that the measuring frame 8 slowly moves backward through the damping assembly. When the piston rod is deflected, the connecting frame 18 shakes in the connecting groove 16, so that the paintbrush 20 moves and marks on the drawing board 11, so that the center axis of the cylinder can be quickly measured. It is simple and convenient to use. A plurality of guide rods 23 are fixed to the interior of the connecting frame 18 by bolts, and the guide rods 23 are slidably connected to the fixing ring 22, so that the fixing ring 22 is guided and positioned during the movement.

[0024] In the utility model, the elastic supporting component is a leaf spring 17, and the two ends of the leaf spring 17 are respectively fixed to the circumferential inner wall of the connecting groove 16 and the circumferential outer wall of the connecting frame 18. The leaf spring 17 enables an elastic and soft connection between the connecting groove 16 and the connecting frame 18, so that the connecting groove 16 and the connecting frame 18 are connected and fixed, and the connecting frame 18 can swing in the connecting groove 16.

[0025] In the utility model, the damping assembly includes a damper 5, two ends of which are respectively fixed to the frame 1 and the measuring frame 8, a first spring 7 is sleeved on the outer side of the circumference of the damper 5, and the two ends of the first spring 7 are respectively fixed to the frame 1 and the measuring frame 8, a plurality of slide rods 6 are fixed to the inner wall of one side of the frame 1 by bolts, and the slide rods 6 are slidably connected to the measuring frame 8, and the force is shortened by the damper 5, so that the measuring frame 8 is more stable when moving, and the sliding rods 6 can further guide and locate the moving position of the measuring frame 8, thereby effectively improving the measurement accuracy.

[0026] In the utility model, the locking component is a retaining frame 4, which is detachably connected to one side of the frame body 1 by screws, and the retaining frame 4 is detachably connected to the cylinder body 3 by screws. The retaining frame 4 forms a block for the cylinder body 3, and the interior of the mounting frame 2 and the frame body 1 are both rotatably connected with auxiliary rollers 9, and the auxiliary rollers 9 are in contact with the cylinder body 3, so that the cylinder body 3 is easily pushed into the frame body 1 and the mounting frame 2 and installed and fixed.

[0027] The working principle of the utility model is as follows: when in use, first push the cylinder body 3 into the frame 1 and the mounting frame 2 and fix them through the retaining frame 4; when testing, start the cylinder body 3, and one end of the piston rod of the cylinder body 3 is extended and inserted into the insertion hole 14; then the movable column 13 is forced to drive the fixing ring 22 to move inward along the inside of the connecting frame 18 and make the brush 20 in contact with the drawing board 11; then one end of the piston rod continues to extend and makes the fixing ring 22 squeeze the measuring frame 8 through the connecting frame 18 and the limit ring 19, so that the measuring frame 8 moves slowly and smoothly backward through the damper 5; when the piston rod is deflected, the connecting frame 18 shakes in the connecting groove 16, so that the brush 20 moves and marks on the drawing board 11, so that the center axis of the cylinder can be quickly measured, and it is simple and convenient to use.

[0028] Finally, a few points should be explained: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0029] In the drawings of the embodiments disclosed by the present invention, only the structures related to the embodiments disclosed by the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

Claims

1. A shield machine propulsion cylinder piston centerline detection device, comprising a frame (1) and a connecting frame (18), characterized in that: The frame (1) is fixedly connected to a mounting frame (2) inside, a cylinder body (3) is arranged inside the mounting frame (2), a locking assembly for fixing the cylinder body (3) is arranged on one side of the frame (1), a measuring frame (8) is slidably connected inside the frame (1), a connecting groove (16) is provided inside the measuring frame (8), and the connecting groove (16) and the connecting frame (18) are pluggable, the connecting groove (16) and the connecting frame (18) are connected via an elastic supporting component, a limiting ring (19) is fixedly connected to one side of the connecting frame (18), a slot (12) is provided on the top of the measuring frame (8), a plug-in plate (10) is plugged into the slot (12), and the inner portion of the plug-in plate (10) is connected to the measuring frame (8). A drawing board (11) is provided on the part, and the center line of the drawing board (11) coincides with the center line of the connecting groove (16); a fixing ring (22) is slidably connected to the interior of the connecting frame (18); a movable column (13) is fixedly connected to the interior of the fixing ring (22); one end of the movable column (13) can pass through the connecting frame (18) and is fixedly connected to a paintbrush (20); a plug hole (14) is provided at the other end of the movable column (13); a plurality of second springs (21) are fixedly connected to one side of the fixing ring (22), and one end of the second spring (21) is fixed to an inner wall of one side of the connecting frame (18); and a damping component for blocking the measuring frame (8) is provided between the measuring frame (8) and the frame body (1).

2. The shield machine propulsion cylinder piston centerline detection device according to claim 1, characterized in that: The outer diameter of the limiting ring (19) is much larger than the inner diameter of the connecting groove (16), and forms a covering barrier for the connecting groove (16); the outer wall of the connecting frame (18) is smaller than the inner wall of the connecting groove (16).

3. The shield machine propulsion cylinder piston centerline detection device according to claim 1, characterized in that: The paintbrush (20) can be in contact with the drawing board (11), and the center line of the paintbrush (20) coincides with the center line of the drawing board (11).

4. The shield machine propulsion cylinder piston centerline detection device according to claim 3 is characterized by: A plurality of guide rods (23) are fixedly connected inside the connecting frame (18), and the guide rods (23) are slidably connected to the fixing ring (22).

5. The shield machine propulsion cylinder piston centerline detection device according to claim 1, characterized in that: The elastic supporting component is a leaf spring (17), and two ends of the leaf spring (17) are respectively fixed to the circumferential inner wall of the connecting groove (16) and the circumferential outer wall of the connecting frame (18).

6. The shield machine propulsion cylinder piston centerline detection device according to claim 1, characterized in that: The damping assembly comprises a damper (5), two ends of which are respectively fixed to a frame body (1) and a measuring frame (8), a first spring (7) is sleeved on the outer circumference of the damper (5), and two ends of the first spring (7) are respectively fixed to the frame body (1) and the measuring frame (8), a plurality of sliding rods (6) are fixedly connected to an inner wall of one side of the frame body (1), and the sliding rods (6) are slidably connected to the measuring frame (8).

7. The shield machine propulsion cylinder piston centerline detection device according to claim 1, characterized in that: The locking assembly is a blocking frame (4), which is detachably connected to one side of the frame body (1) by means of screws, and the blocking frame (4) is detachably connected to the oil cylinder body (3) by means of screws, and the blocking frame (4) blocks the oil cylinder body (3).

8. The shield machine propulsion cylinder piston centerline detection device according to claim 7, characterized in that: The interior of the mounting frame (2) and the frame body (1) are both rotatably connected with auxiliary rollers (9), and the auxiliary rollers (9) are in contact with the oil cylinder body (3).

Images