CN214424452U - Novel centralizer convenient to disassemble and assemble - Google Patents
Novel centralizer convenient to disassemble and assemble Download PDFInfo
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- CN214424452U CN214424452U CN202022708222.2U CN202022708222U CN214424452U CN 214424452 U CN214424452 U CN 214424452U CN 202022708222 U CN202022708222 U CN 202022708222U CN 214424452 U CN214424452 U CN 214424452U
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Abstract
The utility model belongs to the technical field of centralizers, in particular to a novel centralizer convenient for disassembly and assembly; the centering device comprises a centering device frame body, wherein a centering middle hole is formed in the middle of the centering device frame body, the lower part of the centering device frame body is connected with an inner ring of a slewing bearing, and an outer ring of the slewing bearing is connected with a flange plate on an outer section of a drill rod; two connecting support legs are arranged on the left side of the centralizer frame body, and first connecting pin holes are formed in the connecting support legs; one connecting leg is hinged with the first centralizer sliding block, and the other connecting leg is hinged with the second centralizer sliding block; the first centralizer sliding block and the second centralizer sliding block are both connected with a connecting clamp, a connecting clamping groove is arranged in the connecting clamp, and the connecting clamp is clamped to a suspension arm slideway on the mast suspension arm through the connecting clamping groove; the middle part of the first centralizer sliding block is provided with a connecting clamp plate, the middle part of the second centralizer sliding block is connected with a middle connecting rod, and the middle connecting rod is connected with the connecting clamp plate; the utility model discloses structural strength is high, easy dismounting, light in weight, can effectively guarantee to right the effect, improves drilling efficiency.
Description
Technical Field
The utility model belongs to the technical field of the centralizer, concretely relates to novel just, dismouting centralizer.
Background
The rotary drilling rig is a construction machine suitable for hole forming operation in building foundation engineering, is mainly suitable for soil layer construction of sandy soil, cohesive soil, silty soil and the like, and is widely applied to foundation construction of various foundations such as cast-in-place piles, continuous walls, foundation reinforcement and the like; different drilling tools are matched in foundation construction projects such as municipal construction, highway bridges, high-rise buildings and the like, and dry (short spiral) or wet (rotary bucket) and rock stratum (core drill) hole forming operation can be carried out; the rotary drilling rig adopts a plurality of layers of telescopic drill rods, has less drilling auxiliary time, low labor intensity, no need of slurry circulation slag discharge, cost saving, low environmental pollution, no need of circular slag removal, strong maneuverability and quick transition, and is particularly suitable for the basic construction of urban construction; the centralizer is an important guarantee for hole forming verticality during operation of the rotary drilling rig, and the conventional rotary drilling rig is relatively complex in operation due to the fact that the mast is relatively high, and the operation is complicated no matter the conventional rotary drilling rig is installed by firstly installing the bottom and then hoisting the rotary drilling rig to the upper portion of the mast to slide into the guide rail or installing the back mast; therefore, it is necessary to provide a novel centralizer with high structural strength, easy assembly and disassembly, and light weight.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a novel centralizer convenient to disassemble and assemble, which has high structural strength, convenient to disassemble and assemble and light weight.
The purpose of the utility model is realized like this: the novel centralizer convenient to disassemble and assemble comprises a centralizer frame body, wherein a centralizing middle hole is formed in the middle of the centralizer frame body, the centralizer frame body is sleeved outside a drill rod inner core through the centralizing middle hole, a slewing bearing is arranged on the lower portion of the centralizer frame body, the lower portion of the centralizer frame body is connected with an inner ring of the slewing bearing through bolts, and an outer ring of the slewing bearing is connected with a flange plate on an outer section of a drill rod through bolts; two connecting support legs are arranged on the left side of the centralizer frame body, and first connecting pin holes are formed in the two connecting support legs; one of the connecting supporting legs is hinged with a first centralizer sliding block through the first connecting pin hole and the corresponding pin shaft, and the other connecting supporting leg is hinged with a second centralizer sliding block through the first connecting pin hole and the corresponding pin shaft; the left ends of the first centralizer sliding block and the second centralizer sliding block are both connected with a connecting clamp, a connecting clamping groove is formed in the connecting clamp, and the connecting clamp is clamped to a suspension arm slideway on a mast suspension arm through the connecting clamping groove; the middle part of the first centralizer sliding block is provided with a connecting clamp plate, the middle part of the second centralizer sliding block is fixedly connected with an intermediate connecting rod, and the intermediate connecting rod is connected with the connecting clamp plate.
Each connecting supporting leg is provided with two first connecting pin holes.
The connecting clamp is characterized in that a lengthened clamping plate is fixedly arranged in a connecting clamp groove of the connecting clamp, and the lengthened clamping plate is a clamping plate with a U-shaped cross section.
And a second connecting pin hole is formed in the connecting clamp plate, and the connecting clamp plate is hinged with the middle connecting rod through the second connecting pin hole and the corresponding pin shaft.
The connecting supporting leg is of a clamping groove type structure, and the first centralizer sliding block and the second centralizer sliding block are inserted into the clamping groove to be connected with the connecting supporting leg.
The slewing bearing is a single-row four-point contact ball type bearing.
The utility model has the advantages that: the utility model discloses a novel centralizer convenient to disassemble and assemble, mainly include the centralizer support body, first centralizer slider and second centralizer slider, set up the connection landing leg on the centralizer support body and realize the articulated with two centralizer sliders, be convenient for the joint installation of the connection dop of centralizer slider tip and davit slide on the mast davit, the joint installation can further improve the stability of connecting the dop and davit slide and being connected, avoid taking place acutely to rock in the drilling rod inner core motion process, guarantee the righting effect, the dismouting of being convenient for simultaneously, the efficiency of dismouting around improving the construction; the first centralizer sliding block and the second centralizer sliding block are connected through the middle connecting rod, so that the centralizer is integrally formed into a stable and firm H-shaped structure, and the centralizing effect is further improved; the centralizer frame body is fixedly connected with a flange plate on the outer section of the drill rod through the slewing bearing, so that the structure is stable, and convenience and rapidness are realized; the utility model discloses a novel just, dismouting centralizer, structural strength is high, easy dismounting, light in weight, can effectively guarantee to right the effect, improves drilling efficiency.
Drawings
Fig. 1 is a schematic view of the easy-to-disassemble centralizer of the present invention.
Fig. 2 is a schematic view of the front view structure of the easy-to-dismount centralizer of the utility model.
In the figure: 1. the device comprises a centralizer frame body 2, a first centralizer sliding block 3, a connecting clamp plate 4, a second connecting pin hole 5, a suspension arm slideway 6, a lengthened clamp plate 7, a mast suspension arm 8, a connecting clamp groove 9, a connecting clamp head 10, an intermediate connecting rod 11, a second centralizer sliding block 12, a first connecting pin hole 13, a centralizing middle hole 14, a drill rod inner core 15, a slewing bearing 16, a flange plate 17, a drill rod outer joint 18 and connecting supporting legs.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-2, the novel centralizer convenient to disassemble and assemble comprises a centralizer frame body 1, wherein a centralizer middle hole 13 is formed in the middle of the centralizer frame body 1, the centralizer frame body 1 is sleeved outside a drill rod inner core 14 through the centralizer middle hole 13, a slewing bearing 15 is arranged on the lower portion of the centralizer frame body 1, the lower portion of the centralizer frame body 1 is connected with an inner ring of the slewing bearing 15 through a bolt, and an outer ring of the slewing bearing 15 is connected with a flange plate 16 on an outer section 17 of a drill rod through a bolt; two connecting support legs 18 are arranged on the left side of the centralizer frame body 1, and first connecting pin holes 12 are formed in the two connecting support legs 18; one of the connecting supporting legs 18 is hinged with a first centralizer sliding block 2 through the first connecting pin hole 12 and a corresponding pin shaft, and the other connecting supporting leg 18 is hinged with a second centralizer sliding block 11 through the first connecting pin hole 12 and a corresponding pin shaft; the left ends of the first centralizer sliding block 2 and the second centralizer sliding block 11 are both connected with a connecting clamp 9, a connecting clamping groove 8 is arranged in the connecting clamp 9, and the connecting clamp 9 is clamped on a boom slideway 5 on a mast boom 7 through the connecting clamping groove 8; the middle part of the first centralizer sliding block 2 is provided with a connecting clamp plate 3, the middle part of the second centralizer sliding block 11 is fixedly connected with an intermediate connecting rod 10, and the intermediate connecting rod 10 is connected with the connecting clamp plate 3.
The utility model discloses a novel centralizer convenient to disassemble and assemble, mainly include centralizer support body 1, first centralizer slider 2 and second centralizer slider 11, set up connecting leg 18 on centralizer support body 1 and realize the articulated with two centralizer sliders, the joint installation of davit slide 5 on connecting dop 9 and mast davit 7 of centralizer slider tip of being convenient for, the joint installation can further improve the stability of connecting dop 9 and davit slide 5 and being connected, avoid taking place acutely to rock in the drilling rod inner core 14 motion process, guarantee the effect of righting, the dismouting of being convenient for simultaneously, the efficiency of dismouting before improving the construction; the first centralizer sliding block 2 and the second centralizer sliding block 11 are connected through the middle connecting rod 10, so that the centralizer is integrally formed into a stable and firm H-shaped structure, and the centralizing effect is further improved; the centralizer frame body 1 is fixedly connected with a flange plate 16 on an outer section 17 of the drill rod through a slewing bearing 15, so that the structure is stable, and convenience and rapidness are realized; the utility model discloses a novel just, dismouting centralizer, structural strength is high, easy dismounting, light in weight, can effectively guarantee to right the effect, improves drilling efficiency.
Example 2
As shown in fig. 1-2, the novel centralizer convenient to disassemble and assemble comprises a centralizer frame body 1, wherein a centralizer middle hole 13 is formed in the middle of the centralizer frame body 1, the centralizer frame body 1 is sleeved outside a drill rod inner core 14 through the centralizer middle hole 13, a slewing bearing 15 is arranged on the lower portion of the centralizer frame body 1, the lower portion of the centralizer frame body 1 is connected with an inner ring of the slewing bearing 15 through a bolt, and an outer ring of the slewing bearing 15 is connected with a flange plate 16 on an outer section 17 of a drill rod through a bolt; two connecting support legs 18 are arranged on the left side of the centralizer frame body 1, and first connecting pin holes 12 are formed in the two connecting support legs 18; one of the connecting supporting legs 18 is hinged with a first centralizer sliding block 2 through the first connecting pin hole 12 and a corresponding pin shaft, and the other connecting supporting leg 18 is hinged with a second centralizer sliding block 11 through the first connecting pin hole 12 and a corresponding pin shaft; the left ends of the first centralizer sliding block 2 and the second centralizer sliding block 11 are both connected with a connecting clamp 9, a connecting clamping groove 8 is arranged in the connecting clamp 9, and the connecting clamp 9 is clamped on a boom slideway 5 on a mast boom 7 through the connecting clamping groove 8; the middle part of the first centralizer sliding block 2 is provided with a connecting clamp plate 3, the middle part of the second centralizer sliding block 11 is fixedly connected with an intermediate connecting rod 10, and the intermediate connecting rod 10 is connected with the connecting clamp plate 3.
For better effect, each connecting leg 18 is provided with two first connecting pin holes 12, and after the clamping connection of the connecting clamping head 9 is completed, the first centralizer sliding block 2 and the second centralizer sliding block 11 can be fixed with the corresponding connecting leg 18 through pin shafts, so that the structural strength of the centralizer is further improved, and the stability during working is further improved.
For better effect, the connecting clamping groove 8 internal fixation of connecting dop 9 is provided with extension cardboard 6, extension cardboard 6 is the cardboard of U type of cross section, improves connecting dop 9 with davit slide 5 joint strength guarantees the stability of this centralizer during operation.
For better effect, be provided with second connecting pin hole 4 on the splint 3, splint 3 passes through second connecting pin hole 4 and corresponding round pin axle with middle connecting rod 10 is articulated, makes middle connecting rod 10 connects convenient and fast.
For better effect, connect landing leg 18 and be draw-in groove type structure, first centralizer slider 2 with second centralizer slider 11 insert in the draw-in groove realize with connect landing leg 18's connection, under the prerequisite of guaranteeing structural strength, can effectively alleviate the weight of this centralizer to improve the efficiency of its dismouting.
For better effect, the slewing bearing 15 is a single-row four-point contact ball type bearing, and is convenient to disassemble and assemble, and stable and efficient in connection.
The utility model discloses a novel centralizer convenient to disassemble and assemble, mainly include centralizer support body 1, first centralizer slider 2 and second centralizer slider 11, set up connecting leg 18 on centralizer support body 1 and realize the articulated with two centralizer sliders, the joint installation of davit slide 5 on connecting dop 9 and mast davit 7 of centralizer slider tip of being convenient for, the joint installation can further improve the stability of connecting dop 9 and davit slide 5 and being connected, avoid taking place acutely to rock in the drilling rod inner core 14 motion process, guarantee the effect of righting, the dismouting of being convenient for simultaneously, the efficiency of dismouting before improving the construction; the first centralizer sliding block 2 and the second centralizer sliding block 11 are connected through the middle connecting rod 10, so that the centralizer is integrally formed into a stable and firm H-shaped structure, and the centralizing effect is further improved; the centralizer frame body 1 is fixedly connected with a flange plate 16 on an outer section 17 of the drill rod through a slewing bearing 15, so that the structure is stable, and convenience and rapidness are realized; the utility model discloses a novel just, dismouting centralizer, structural strength is high, easy dismounting, light in weight, can effectively guarantee to right the effect, improves drilling efficiency.
Claims (6)
1. Novel just, dismouting centralizer, it includes centralizer support body (1), its characterized in that: a centering center hole (13) is formed in the middle of the centralizer frame body (1), the centralizer frame body (1) is sleeved outside a drill rod inner core (14) through the centering center hole (13), a slewing bearing (15) is arranged on the lower portion of the centralizer frame body (1), the lower portion of the centralizer frame body (1) is connected with the inner ring of the slewing bearing (15) through bolts, and the outer ring of the slewing bearing (15) is connected with a flange plate (16) on an outer section (17) of a drill rod through bolts; two connecting support legs (18) are arranged on the left side of the centralizer frame body (1), and first connecting pin holes (12) are formed in the two connecting support legs (18); one connecting leg (18) is hinged with a first centralizer sliding block (2) through the first connecting pin hole (12) and a corresponding pin shaft, and the other connecting leg (18) is hinged with a second centralizer sliding block (11) through the first connecting pin hole (12) and a corresponding pin shaft; the left ends of the first centralizer sliding block (2) and the second centralizer sliding block (11) are both connected with a connecting clamp (9), a connecting clamping groove (8) is formed in the connecting clamp (9), and the connecting clamp (9) is clamped on a suspension arm slide way (5) on the mast suspension arm (7) through the connecting clamping groove (8); the middle part of the first centralizer sliding block (2) is provided with a connecting clamp plate (3), the middle part of the second centralizer sliding block (11) is fixedly connected with an intermediate connecting rod (10), and the intermediate connecting rod (10) is connected with the connecting clamp plate (3).
2. The novel centralizer convenient to disassemble and assemble according to claim 1, characterized in that: two first connecting pin holes (12) are formed in each connecting leg (18).
3. The novel centralizer convenient to disassemble and assemble according to claim 1, characterized in that: the connecting clamping groove (8) of the connecting clamping head (9) is internally fixedly provided with a lengthened clamping plate (6), and the lengthened clamping plate (6) is a clamping plate with a U-shaped cross section.
4. The novel centralizer convenient to disassemble and assemble according to claim 1, characterized in that: the connecting clamp plate (3) is provided with a second connecting pin hole (4), and the connecting clamp plate (3) is hinged to the middle connecting rod (10) through the second connecting pin hole (4) and the corresponding pin shaft.
5. The novel centralizer convenient to disassemble and assemble according to claim 1, characterized in that: the connecting supporting leg (18) is of a clamping groove type structure, and the first centralizer sliding block (2) and the second centralizer sliding block (11) are inserted into the clamping groove to be connected with the connecting supporting leg (18).
6. The novel centralizer convenient to disassemble and assemble according to claim 1, characterized in that: the slewing bearing (15) is a single-row four-point contact ball type bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022708222.2U CN214424452U (en) | 2020-11-20 | 2020-11-20 | Novel centralizer convenient to disassemble and assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022708222.2U CN214424452U (en) | 2020-11-20 | 2020-11-20 | Novel centralizer convenient to disassemble and assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214424452U true CN214424452U (en) | 2021-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022708222.2U Active CN214424452U (en) | 2020-11-20 | 2020-11-20 | Novel centralizer convenient to disassemble and assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214424452U (en) |
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- 2020-11-20 CN CN202022708222.2U patent/CN214424452U/en active Active
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