CN220203823U - Anti-toppling device for elevator - Google Patents
Anti-toppling device for elevator Download PDFInfo
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- CN220203823U CN220203823U CN202321480956.7U CN202321480956U CN220203823U CN 220203823 U CN220203823 U CN 220203823U CN 202321480956 U CN202321480956 U CN 202321480956U CN 220203823 U CN220203823 U CN 220203823U
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- elevator
- toppling
- sliding block
- connecting plate
- piston cylinder
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- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000005452 bending Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 14
- 239000010959 steel Substances 0.000 abstract description 14
- 238000005553 drilling Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The utility model discloses an anti-toppling device of an elevator, which is used for preventing the elevator from toppling, wherein the elevator is connected with a drill rod connecting plate through a pin shaft, the anti-toppling device of the elevator comprises a tensioning mechanism and an anti-toppling sliding block, the tensioning mechanism is arranged on the drill rod connecting plate, and the tensioning mechanism elastically drives the anti-toppling sliding block to prop against the lower end of the elevator; the two sides of the top of the anti-tilting sliding block are higher than the middle part and are used for being clamped on the lifter. The utility model can prevent the phenomenon of inclination of the elevator caused by overlength of the steel wire rope, ensure that the steel wire rope does not rotate along with the drill rod, and eliminate potential safety hazards.
Description
Technical Field
The utility model belongs to the technical field of rotary drilling rigs, and particularly relates to an anti-toppling device of a lifter.
Background
When the rotary drilling rig works, the upper joint of the elevator is connected with the steel wire rope, and the lower joint is connected with the drill rod. The elevator mainly plays two roles, namely, the tension of the steel wire rope is transferred, the drill rod is lifted or lowered, and the rotation of the drill rod is isolated when the drill rod works, namely, when the drill rod rotates, the lower joint of the elevator rotates along with the drill rod, and the upper joint does not rotate, so that the steel wire rope is prevented from rotating along with the rotation, and the service life of the steel wire rope can be protected and prolonged. In order to realize the two functions of the elevator, the vertical state between the elevator and the drill rod connecting plate is required to be kept when the rotary drilling rig works; in actual work, the length of the steel wire rope is larger than the length of the steel wire rope which is actually needed, the lifter is easy to incline, and particularly when the upper joint of the lifter leans against the inner wall of the outer section of drill rod, the upper joint and the lower joint of the lifter rotate together with the drill rod, the isolation effect is invalid, the steel wire rope can rotate together with the lifter, broken strands or scattered strands appear, and the steel wire rope and the lifter are extremely easy to damage, so that the potential safety hazard is large.
Patent CN111305766a discloses a rotary drilling rig anti-toppling elevator, which can prevent the elevator from tilting, however, the elevator is limited to tilt by two limiting plates, the stability of this mode is weaker, and the elevator cannot be completely guaranteed not to tilt.
Disclosure of Invention
In order to overcome the defects of the background technology, the utility model provides the anti-tilting device for the elevator, which can prevent the tilting phenomenon of the elevator caused by overlength of the steel wire rope, ensure that the steel wire rope does not rotate along with a drill rod and eliminate potential safety hazards.
The utility model is realized by the following technical scheme:
the anti-toppling device of the elevator is used for preventing the elevator from toppling, the elevator is connected with a drill rod connecting plate through a pin shaft, the anti-toppling device of the elevator comprises a tensioning mechanism and an anti-toppling sliding block, the tensioning mechanism is arranged on the drill rod connecting plate, and the tensioning mechanism elastically drives the anti-toppling sliding block to prop against the lower end of the elevator; the two sides of the top of the anti-tilting sliding block are higher than the middle part and are used for being clamped on the lifter.
Further, the tensioning mechanism comprises a mounting plate, a spring, a piston rod and a piston cylinder; the piston cylinder is fixed on the drill rod connecting plate, the piston rod is slidably arranged in the piston cylinder, a mounting plate is arranged in the movement of the piston rod extending out of the piston cylinder, and the mounting plate is connected with the anti-tilting sliding block; the spring elastically abuts against the piston cylinder and the mounting plate to push the piston rod outwards against the piston cylinder.
Further, the piston cylinder is fixed on the drill rod connecting plate through the mounting seat, the mounting seat is a bending plate and is welded with two reinforcing rib plates, four through holes are respectively formed in the opposite positions on the two sides of the bending plate, the four through holes are connected with the piston cylinder through bolts, and the other four through holes are connected with the mounting seat through bolts and are fixed on corresponding threaded holes on the drill rod connecting plate.
Further, the tensioning mechanism and the mounting seat are respectively provided with four groups, and two groups are respectively distributed on two sides of the drill rod connecting plate; the two anti-tilting sliding blocks are distributed on two sides of the drill rod connecting plate respectively; the two tensioning mechanisms are connected with an anti-tilting sliding block.
Further, two sides at the top of the anti-tilting slider are respectively provided with two convex blocks, and transition fillets are formed at the tops of the convex blocks so that the elevator can move out of the anti-tilting slider in a rotating mode.
The beneficial effects of the utility model are as follows:
1. when the rotary drilling rig works, if the steel wire rope is excessively lowered, when the elevator is in a state of easy dumping, the anti-dumping sliding blocks prop against the lower ends of the elevator because of the upward acting force of the tensioning mechanism, and the anti-dumping sliding blocks are high at two sides and low in the middle, and have acting force in a certain direction on the elevator, so that the elevator is not easy to dump towards two sides.
2. The device can also meet the requirement of the original drilling rod during loading and unloading, namely, when the lower joint of the lifter is stressed greatly during loading and unloading, the spring of the tensioning mechanism is compressed, the anti-tilting sliding block is provided with an excessive round angle, and the whole lifter can rotate around the hinge pin shaft, so that the lifter is prevented from bearing excessive bending moment during loading and unloading the drilling rod.
Drawings
FIG. 1 is an isometric view of an elevator anti-toppling device of an embodiment of the present application;
FIG. 2 is a side view of an elevator anti-toppling device of an embodiment of the present application;
FIG. 3 is a front view of an elevator anti-toppling device of an embodiment of the present application;
FIG. 4 is a cross-sectional view of a tensioning mechanism of an anti-toppling device of an elevator according to an embodiment of the present application;
FIG. 5 is a cross-sectional view of an anti-tip slider of an elevator anti-tip device according to an embodiment of the present application;
fig. 6 is a state diagram of the elevator of the anti-tipping device of the embodiment of the present application when the drill pipe is removed.
Reference numerals:
1: an elevator; 2: an anti-tilting slider; 3: a tensioning mechanism; 3-1: a mounting plate; 3-2: a piston rod; 3-3: a piston cylinder; 3-4: a spring; 4: a mounting base; 5: a drill rod connecting plate; 6: bolts m10×35;7: a nut M10;8: a gasket 10;9: bolts M5 x 25;10: a nut M5;11: and a gasket 5.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
An elevator anti-toppling device with a tensioning mechanism comprises the following contents:
as shown in fig. 5, the upper part of the anti-tilting slider 2 is provided with high ends and low middle, and is provided with excessive fillets, and the lower part is provided with through holes at both ends and threaded holes in the middle for bolting, so that the anti-tilting slider is fixed on the tensioning mechanism.
As shown in FIG. 4, the tensioning mechanism 3 consists of a mounting plate 3-1, a piston rod 3-2, a piston cylinder 3-3 and a spring 3-4. The mounting plate 3-1 is provided with two through holes and is used for being fixedly connected with the anti-tilting sliding block 2 through bolts 6, nuts 7 and gaskets 8, the mounting plate 3-1 and the base of the piston rod 3-2 are welded into a whole, the piston rod is embedded into the piston cylinder 3-3, the spring 3-4 is sleeved outside the piston cylinder, one end of the spring is propped against the base of the piston rod, the other end of the spring is propped against the base of the piston cylinder, under the action of the spring, the piston rod has an upward pushing force, the spring can be compressed under the action of external force, and the piston rod can slide up and down in the piston cylinder; the base of the piston cylinder is square, is provided with four through holes, and is connected to the mounting seat 4 through the through holes in a bolt manner.
As shown in fig. 3, the mounting seat 4 is a bending plate, two reinforcing rib plates are welded on the mounting seat, four through holes are respectively formed in the opposite positions of the two sides of the bending plate, the four through holes are fixedly connected with the piston cylinder 3-3 of the tensioning mechanism through bolts 9, nuts 10 and gaskets 11, and the other four through holes are fixedly connected with threaded holes in the corresponding positions on the drill rod connecting plate 5 through bolts 9 and gaskets 11.
The utility model relates to a drill rod connecting plate 5, one end of which is arranged in a drill rod, and the other end of which is connected with a mounting lifter 1 through a pin shaft.
As shown in fig. 2, which is a side view, the utility model is characterized in that the tensioning mechanism 3 and the mounting seat 4 are respectively provided with four groups, and are distributed on two sides of the drill rod connecting plate 5 respectively; the two anti-tilting sliding blocks 2 are arranged on two sides of the drill rod connecting plate 5.
The added tensioning mechanism 3 is always in a compressed state, namely, has upward jacking acting force on the upper anti-tilting slider 2. When the rotary drilling rig works, if the steel wire rope is excessively lowered, when the elevator 1 is in a state of easy dumping, the anti-dumping sliding block 2 always props against the lower end of the elevator due to upward acting force of the tensioning mechanism 3, and the anti-dumping sliding blocks are high at two sides and low in the middle, and have acting force in a certain direction on the elevator, so that the elevator is not easy to dump towards two sides. As shown in fig. 6, the device can also meet the requirement of the original drilling rod assembly and disassembly, namely, when the lower joint of the elevator is stressed greatly during assembly and disassembly, the spring 3-4 of the tensioning mechanism is compressed, the anti-tilting slider 2 is provided with an excessive round angle, and the whole elevator can rotate around the hinge pin shaft so as to avoid the elevator bearing excessive bending moment during assembly and disassembly of the drilling rod.
The foregoing description of the exemplary embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (5)
1. The anti-toppling device of the elevator is used for preventing the elevator from toppling over, and the elevator is connected with a drill rod connecting plate through a pin shaft, and is characterized by comprising a tensioning mechanism and an anti-toppling sliding block, wherein the tensioning mechanism is arranged on the drill rod connecting plate, and the tensioning mechanism elastically drives the anti-toppling sliding block to prop against the lower end of the elevator; the two sides of the top of the anti-tilting sliding block are higher than the middle part and are used for being clamped on the lifter.
2. The elevator anti-toppling device of claim 1, wherein the tensioning mechanism comprises a mounting plate, a spring, a piston rod, and a piston cylinder; the piston cylinder is fixed on the drill rod connecting plate, the piston rod is slidably arranged in the piston cylinder, a mounting plate is arranged in the movement of the piston rod extending out of the piston cylinder, and the mounting plate is connected with the anti-tilting sliding block; the spring elastically abuts against the piston cylinder and the mounting plate to push the piston rod outwards against the piston cylinder.
3. The anti-toppling device of the elevator according to claim 2, wherein the piston cylinder is fixed on the drill pipe connecting plate through a mounting seat, the mounting seat is a bending plate, two reinforcing rib plates are welded on the mounting seat, four through holes are respectively formed in the opposite positions on two sides of the bending plate, the four through holes are connected with the piston cylinder through bolts, and the other four through holes are connected with the mounting seat through bolts, so that the mounting seat is fixed on corresponding threaded holes on the drill pipe connecting plate.
4. The anti-toppling device of the elevator according to claim 3, wherein the tensioning mechanism and the mounting seat are respectively provided with four groups, and two groups are respectively distributed on two sides of the drill rod connecting plate; the two anti-tilting sliding blocks are distributed on two sides of the drill rod connecting plate respectively; the two tensioning mechanisms are connected with an anti-tilting sliding block.
5. The anti-toppling device of the elevator according to claim 1, wherein two sides of the top of the anti-toppling sliding block are respectively provided with two convex blocks, and transition fillets are formed in the tops of the convex blocks so that the elevator can be moved out of the anti-toppling sliding block in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321480956.7U CN220203823U (en) | 2023-06-12 | 2023-06-12 | Anti-toppling device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321480956.7U CN220203823U (en) | 2023-06-12 | 2023-06-12 | Anti-toppling device for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220203823U true CN220203823U (en) | 2023-12-19 |
Family
ID=89146098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321480956.7U Active CN220203823U (en) | 2023-06-12 | 2023-06-12 | Anti-toppling device for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220203823U (en) |
-
2023
- 2023-06-12 CN CN202321480956.7U patent/CN220203823U/en active Active
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