CN214743011U

CN214743011U - Drilling is along with boring damping device in pit

Info

Publication number: CN214743011U
Application number: CN202120649986.0U
Authority: CN
Inventors: 干倩文
Original assignee: Wuhan Linchen Technology Co ltd
Current assignee: Wuhan Linchen Technology Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-16
Anticipated expiration: 2031-03-30

Abstract

The utility model provides a drilling is along with boring damping device in pit, including drill bit, buffer gear and damper, the top of the said drill bit has changers, the top of the said changers has rotary rods; the buffer mechanisms are positioned on two sides of the rotating rod, and one end of the movable rod, which is far away from the first sliding block, is rotatably connected with a second sliding block; and a third spring is sleeved on the outer side of the sliding rod. The utility model discloses a set up first spout in the outside of bull stick, first slider and first spring, first slider can drive first spring and remove when producing vibrations, and can drive the movable rod and rotate, and then the movable rod can drive the second slider and remove, the second spring can be extruded to the second slider, and then can play the buffering effect, and the bull stick can drive the connecting rod and rotate when producing vibrations, the connecting rod rotates and can drive fixed block and movable block and remove, and then can extrude the third spring, further shock attenuation effect has been played, and convenient to use.

Description

Drilling is along with boring damping device in pit

Technical Field

The utility model relates to a well drilling field especially relates to a well drilling is along with boring damping device in pit.

Background

In the oil drilling operation engineering, the damping spring is mainly used for absorbing jolts and vibrations generated by uneven drilling.

Because the drill bit can produce vertical and circumferential vibration when producing broken rock effect, these vibrations can cause the impact to whole drilling string, lead to some parts fatigue damage in the drilling string, reduce its life, cause the incident.

Therefore, the underground vibration damping device while drilling is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling is along with boring damping device in pit to solve the problem that proposes among the above-mentioned background art.

The utility model provides a drilling is along with boring damping device in pit, including drill bit, buffer gear and damper, the top of drill bit is provided with the change machine, the top of change machine is provided with the bull stick; the buffer mechanism is positioned on two sides of the rotating rod and comprises a first sliding groove, a first sliding block, a first spring, a movable rod and a second sliding block, the first sliding groove is formed in each of the two sides of the rotating rod, the inner wall of the first sliding groove is connected with the outer side of the first sliding block in a sliding mode, the top and the bottom of the first sliding block are fixedly connected with the first spring, one end, far away from the first sliding block, of the first spring is fixedly connected with the inner wall of the first sliding groove, the outer side of the first sliding block is connected with the movable rod in a rotating mode, and one end, far away from the first sliding block, of the movable rod is connected with the second sliding block in a rotating mode; the damping mechanism comprises a connecting rod, a fixed block, a movable block, a sliding rod and a third spring, one end of the connecting rod is rotatably connected with one side of the rotating rod, one end, far away from the rotating rod, of the connecting rod is rotatably connected with the inside of the fixed block, one side of the fixed block is fixedly connected with one side of the movable block, the sliding rod is slidably connected inside the movable block, and the third spring is sleeved on the outer side of the sliding rod.

Preferably, the top of the rotary machine is fixedly connected with a fixing frame, and the fixing box is fixedly connected inside the fixing frame.

Preferably, the bottom of the fixed box is provided with a second sliding groove matched with the second sliding block for use, and the outer side of the second sliding block is connected with the inner wall of the second sliding groove in a sliding manner.

Preferably, one side of the second sliding block is fixedly connected with a second spring, and one end, far away from the second sliding block, of the second spring is fixedly connected with one side of the inner wall of the second sliding groove.

Preferably, one end of the sliding rod is fixedly connected with a stabilizing frame, and one side of the stabilizing frame is fixedly connected with a moving plate.

Preferably, one side of the moving plate is fixedly connected with an elastic block, and one side of the elastic block, which is far away from the moving plate, is fixedly connected with a buffer block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up first spout in the outside of bull stick, first slider and first spring, first slider can drive first spring and move when producing vibrations, and can drive the movable rod and rotate, and then the movable rod can drive the second slider and move, the second slider can extrude the second spring, and then can play the cushioning effect, and the bull stick can drive the connecting rod and rotate when producing vibrations, the connecting rod rotates and can drive fixed block and movable block and move, and then can extrude the third spring, further play the shock attenuation effect, convenient to use, solved because the drill bit can produce vertical and circumferential vibration when producing the rock breaking effect, these vibrations can cause the impact to whole drill string, lead to some parts fatigue damage in the drill string, reduce its life, cause the problem of incident;

2. the utility model can stabilize the rotary rod by arranging the fixing frame and the fixing box, thereby being convenient for playing a certain damping effect on the rotary rod, effectively prolonging the service life of the device, and being convenient for the second slide block to slide by arranging the second chute at the bottom of the fixing box;

3. the utility model discloses a set up the second spring, the second slider of can being convenient for provides certain shock-absorbing capacity when sliding, and then can reduce the vibration amplitude of bull stick, through setting up firm frame, can conveniently fix the slide bar, and then can make things convenient for the movable block to slide in the outside of slide bar, under the effort of third spring, the effectual shock attenuation effect that has played, through setting up elastic block and buffer block, the performance of improvement shock attenuation buffering that can step forward, effectual reduction circumference vibration.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the rotating rod shown in FIG. 1 according to the present invention;

FIG. 3 is a sectional view of the fixing box of FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic view of a structure shown in fig. 3 according to the present invention.

Reference numbers in the figures: 1. a drill bit; 2. turning the machine; 3. a rotating rod; 4. a buffer mechanism; 41. a first chute; 42. a first slider; 43. a first spring; 44. a movable rod; 45. a second slider; 46. a second spring; 47. a second chute; 5. a fixed mount; 6. a fixed box; 7. a damping mechanism; 71. a connecting rod; 72. a fixed block; 73. a moving block; 74. a slide bar; 75. a stabilizing frame; 76. a third spring; 77. moving the plate; 8. an elastic block; 9. and a buffer block.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, in which fig. 1 is a schematic structural diagram of the present invention, fig. 2 is a sectional structural diagram of the rotating rod shown in fig. 1 of the present invention, fig. 3 is a sectional structural diagram of the fixing box shown in fig. 2 of the present invention, and fig. 4 is an enlarged schematic structural diagram of a point a in fig. 3 of the present invention. A well drilling is along with boring the DH damping device, including bit 1, buffer gear 4 and damper gear 7, the top of the bit 1 has rotary machines 2, the top of the rotary machine 2 has rotary rods 3; the buffer mechanism 4 is positioned on two sides of the rotating rod 3, the buffer mechanism 4 comprises a first sliding groove 41, a first sliding block 42, a first spring 43, a movable rod 44 and a second sliding block 45, the first sliding groove 41 is formed in each of the two sides of the rotating rod 3, the inner wall of the first sliding groove 41 is in sliding connection with the outer side of the first sliding block 42, the top and the bottom of the first sliding block 42 are fixedly connected with the first spring 43, one end, far away from the first sliding block 42, of the first spring 43 is fixedly connected with the inner wall of the first sliding groove 41, the outer side of the first sliding block 42 is rotatably connected with the movable rod 44, and one end, far away from the first sliding block 42, of the movable rod 44 is rotatably connected with the second sliding block 45; the damping mechanism 7 comprises a connecting rod 71, a fixed block 72, a moving block 73, a sliding rod 74 and a third spring 76, one end of the connecting rod 71 is rotatably connected with one side of the rotating rod 3, one end, far away from the rotating rod 3, of the connecting rod 71 is rotatably connected with the inside of the fixed block 72, one side of the fixed block 72 is fixedly connected with one side of the moving block 73, the sliding rod 74 is slidably connected inside the moving block 73, and the third spring 76 is sleeved outside the sliding rod 74.

Further, change top fixedly connected with mount 5 of machine 2, the inside fixedly connected with stationary box 6 of mount 5 through setting up mount 5 and stationary box 6, can stabilize bull stick 3, and then can conveniently play certain shock attenuation effect to bull stick 3, the effectual life who improves the device.

Further, the bottom of the fixed box 6 is provided with a second sliding groove 47 matched with the second sliding block 45 for use, the outer side of the second sliding block 45 is connected with the inner wall of the second sliding groove 47 in a sliding manner, and the second sliding block 45 can slide conveniently by arranging the second sliding groove 47 at the bottom of the fixed box 6.

Further, one side fixedly connected with second spring 46 of second slider 45, second spring 46 keep away from one side fixed connection of one end of second slider 45 and second spout 47 inner wall, through setting up second spring 46, can be convenient for second slider 45 provides certain shock-absorbing capacity when sliding, and then can reduce the vibration range of bull stick 3.

Further, one end of the sliding rod 74 is fixedly connected with a fixing frame 75, one side of the fixing frame 75 is fixedly connected with a moving plate 77, the sliding rod 74 can be conveniently fixed by arranging the fixing frame 75, the moving block 73 can conveniently slide outside the sliding rod 74, and under the action force of the third spring 76, the damping effect is effectively achieved.

Furthermore, one side of the movable plate 77 is fixedly connected with an elastic block 8, one side of the elastic block 8, which is far away from the movable plate 77, is fixedly connected with a buffer block 9, and by arranging the elastic block 8 and the buffer block 9, the performance of shock absorption and buffering can be further improved, and the circumferential vibration is effectively reduced.

The utility model provides a pair of well drilling is along with boring damping device's theory of operation as follows:

when the drilling operation is carried out, the rotary machine 2 drives the drill bit 1 to rotate, so that the drill bit 1 can be drilled into the ground, at the moment, the fixed frame 5, the fixed box 6 and the rotary rod 3 also move downwards, when longitudinal and circumferential vibration is generated, the first sliding blocks 42 on two sides of the rotary rod 3 move, so that the movable rod 44 can be driven to rotate, the movable rod 44 rotates, so that the second sliding blocks 45 can be driven to move, so that the first spring 43 and the second spring 46 can be driven to deform, a certain damping and buffering performance can be achieved, the vibration is reduced, the connecting rods 71 on two sides of the rotary rod 3 also rotate, the connecting rods 71 rotate, so that the moving blocks 73 on one side of the fixed blocks 72 can be driven to slide on the outer sides of the sliding rods 74, so that the third springs 76 can be deformed, and the longitudinal and circumferential vibration generated during the drilling operation can be further reduced through the arranged elastic blocks 8 and the buffering blocks 9, the service life of the device is prolonged.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A downhole vibration damping apparatus while drilling, comprising:

the drill bit (1), the top of the drill bit (1) is provided with a rotating machine (2), and the top of the rotating machine (2) is provided with a rotating rod (3);

the buffer mechanism (4) is located on two sides of the rotating rod (3), the buffer mechanism (4) comprises a first sliding groove (41), a first sliding block (42), a first spring (43), a movable rod (44) and a second sliding block (45), the first sliding groove (41) is formed in each of two sides of the rotating rod (3), the inner wall of the first sliding groove (41) is connected with the outer side of the first sliding block (42) in a sliding mode, the top and the bottom of the first sliding block (42) are fixedly connected with the first spring (43), one end, far away from the first sliding block (42), of the first spring (43) is fixedly connected with the inner wall of the first sliding groove (41), the outer side of the first sliding block (42) is connected with the movable rod (44) in a rotating mode, and one end, far away from the first sliding block (42), of the movable rod (44) is connected with the second sliding block (45) in a rotating mode;

damping mechanism (7), damping mechanism (7) include connecting rod (71), fixed block (72), movable block (73), slide bar (74) and third spring (76), the one end of connecting rod (71) rotates with one side of bull stick (3) to be connected, the one end that bull stick (3) were kept away from in connecting rod (71) is connected with the internal rotation of fixed block (72), one side of fixed block (72) and one side fixed connection of movable block (73), the internal sliding connection of movable block (73) has slide bar (74), the outside cover of slide bar (74) is equipped with third spring (76).

2. The vibration damper while drilling is characterized in that a fixed frame (5) is fixedly connected to the top of the rotary machine (2), and a fixed box (6) is fixedly connected to the inside of the fixed frame (5).

3. The downhole vibration damping device while drilling according to claim 2, wherein a second sliding groove (47) matched with the second sliding block (45) is formed in the bottom of the fixed box (6), and the outer side of the second sliding block (45) is in sliding connection with the inner wall of the second sliding groove (47).

4. The vibration damper while drilling is characterized in that one side of the second sliding block (45) is fixedly connected with a second spring (46), and one end, far away from the second sliding block (45), of the second spring (46) is fixedly connected with one side of the inner wall of the second sliding groove (47).

5. The vibration damping device during drilling and drilling of claim 1, wherein one end of the sliding rod (74) is fixedly connected with a stabilizing frame (75), and one side of the stabilizing frame (75) is fixedly connected with a moving plate (77).

6. The downhole vibration damping device while drilling of claim 5, wherein an elastic block (8) is fixedly connected to one side of the moving plate (77), and a buffer block (9) is fixedly connected to one side of the elastic block (8) far away from the moving plate (77).