CN216842479U - Cylinder bottom pin shaft structure of rotary drilling rig pressurizing oil cylinder and rotary drilling rig pressurizing oil cylinder - Google Patents
Cylinder bottom pin shaft structure of rotary drilling rig pressurizing oil cylinder and rotary drilling rig pressurizing oil cylinder Download PDFInfo
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- CN216842479U CN216842479U CN202220338351.3U CN202220338351U CN216842479U CN 216842479 U CN216842479 U CN 216842479U CN 202220338351 U CN202220338351 U CN 202220338351U CN 216842479 U CN216842479 U CN 216842479U
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Abstract
The utility model relates to a pneumatic cylinder provides a dig rig pressurized cylinder bottom pin structure soon, including cylinder bottom (1), round pin axle lid (2), displacement sensor (3) and apron (4), round pin axle lid (2) one end is installed on cylinder bottom (1), install round pin axle lid (2) other end apron (4), round pin axle lid (2) are hollow round pin axle lid, round pin axle lid (2) cooperation the cylinder bottom (1) with apron (4) form cavity (5) jointly, displacement sensor (3) are arranged in cavity (5), just displacement sensor (3) with cylinder bottom (1) is connected, the cover is equipped with elastomeric element on round pin axle lid (2). The cylinder bottom pin shaft mechanism of the pressurizing oil cylinder has the functions of reducing vibration of the pressurizing oil cylinder and inhibiting unbalance loading, and can be internally provided with a displacement sensor. Additionally, the utility model also provides an adopt this dig rig pressurized oil cylinder soon of digging rig pressurized oil cylinder bottom pin structure soon.
Description
Technical Field
The utility model relates to a pneumatic cylinder specifically, relates to a dig rig soon and add hydro-cylinder bottom pin structure. Additionally, the utility model discloses still relate to a dig rig pressurized cylinder soon.
Background
The rotary drilling rig is a comprehensive drilling rig, can use various bottom layers, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like. Short auger bits perform dry excavation operations, and rotary drill bits may also be used to perform wet excavation operations with mud dado. The rotary excavator can be matched with a hammer to drill and dig holes in hard stratum.
When the rotary drilling rig drills, a pressurizing device needs to be arranged to provide pressure for the drill rod, and oil cylinder pressurization and winch pressurization can be divided according to the type of the pressurizing device. The oil cylinder pressurization means that pressurized drilling is realized through a pressurization oil cylinder, and the application is wide. When the pressurizing oil cylinder is adopted, the pressurizing oil cylinder needs to be fixed on a mast, because the vibration of the pressurizing oil cylinder is large, a shockproof structure is usually designed at the bottom of the pressurizing oil cylinder for shock absorption, referring to fig. 1 and fig. 2, in the prior art, a pin shaft 102 is welded at a cylinder bottom 101, a rubber sleeve 103 is sleeved on the pin shaft 102, the pin shaft 102 sleeved with the rubber sleeve 103 is installed in a rotary drilling rig mast fixing seat together, and then the fixing is carried out by a split pin 104, so that the vibration of the pressurizing oil cylinder is reduced and the unbalance loading is inhibited, but the pin shaft 102 in the prior art is a solid shaft and is connected to the cylinder bottom 101 in a welding mode, and is difficult to replace after being damaged, and the built-in displacement sensor in the prior structure is difficult to realize.
In view of the technical problem that above-mentioned prior art exists, the utility model provides a novel dig rig pressure cylinder bottom pin structure soon.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a dig rig soon and add hydro-cylinder end round pin axle mechanism is provided, this add hydro-cylinder end round pin axle mechanism has when reducing the shock of add hydro-cylinder and inhibiting the unbalance loading function, can embed installation displacement sensor again.
In order to solve the technical problem, the utility model provides a dig rig pressurized cylinder jar end round pin axle construction soon, including the jar bottom, round pin axle lid, displacement sensor and apron, round pin axle lid one end is installed on the jar bottom, install the round pin axle lid other end the apron, the round pin axle lid is hollow round pin axle lid, round pin axle lid cooperation the jar bottom with the common vacuole formation of apron, displacement sensor arranges in the cavity, just displacement sensor with the jar bottom is connected, the round pin covers the cover and is equipped with elastomeric element.
Preferably, the cylinder bottom is formed with an inner hole, and the connecting end of the pin shaft cover and the cylinder bottom is formed with a flange disc which is fittingly installed in the inner hole.
Specifically, the outer diameter of the flange disc is equal to the inner diameter of the inner bore.
Preferably, the flange plate and the cylinder bottom are connected by first screws.
Specifically, the elastic component is a rubber sleeve, the rubber sleeve is fixed on the pin shaft cover through a split pin, and a through hole for inserting the split pin is formed in the pin shaft cover.
Specifically, the pin shaft cover and the cover plate are connected through a second screw.
Specifically, a kidney-shaped hole for wiring of the displacement sensor is formed in the outer side of one end, close to the cover plate, of the pin shaft cover.
Specifically, the cylinder bottom is provided with a drain hole which is communicated with the cavity.
Specifically, the cylinder bottom is provided with a connecting threaded hole, and the displacement sensor is in threaded connection with the cylinder bottom through the connecting threaded hole.
Further, the method is carried out. The utility model also provides a dig rig pressurized oil cylinder soon adopts any one of the above-mentioned technical scheme dig rig pressurized oil cylinder bottom pin structure soon.
By the proposal, the utility model has the advantages that:
the utility model discloses dig round pin shaft cover of rig pressurized cylinder jar bottom pin axle construction soon and be hollow round pin shaft cover, this round pin shaft cover cooperation jar bottom and apron form the cavity of placing displacement sensor jointly, make displacement sensor can be connected with the jar bottom, the cover is equipped with elastomeric element at round pin shaft cover, fix the round pin shaft cover installation of suit elastomeric element in the inner hole of digging rig mast fixing base soon again to when having the vibrations of reduction pressurized cylinder and restraining the unbalance loading function, can have the space of built-in installation displacement sensor.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a tail shockproof structure of a pressurizing oil cylinder of a rotary drilling rig in the prior art;
FIG. 2 is a schematic structural view of the pin of FIG. 1;
FIG. 3 is a schematic structural diagram of a working state of a pressurizing oil cylinder of the rotary drilling rig;
FIG. 4 is a schematic structural view of a specific embodiment of a bottom pin structure of a pressurized cylinder of a rotary drilling rig according to the present invention;
FIG. 5 is a schematic structural view of the pintle cover of FIG. 4;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a schematic view of the construction of the cylinder bottom of FIG. 4;
fig. 8 is a sectional view taken at B-B in fig. 7.
Description of the reference numerals
1 cylinder bottom and 2 pin shaft covers
3 displacement sensor 4 cover plate
5 hollow cavity 6 inner hole
7 flange 8 first screw
9 rubber sleeve 10 split pin
11 through hole 12 second screw
13 waist-shaped hole and 14 drainage holes
15 connecting threaded hole 16 piston rod
The prior art is as follows:
101 cylinder bottom 102 pin shaft in prior art
103 prior art rubber boot 104 prior art cotter pin
Detailed Description
The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation, and the scope of the present invention is not limited to the following embodiments.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "forming," "mounting," "setting," "connecting," "sleeving" and the like are to be construed broadly, and for example, the connection may be a direct connection, an indirect connection via an intermediate medium, a fixed connection, a detachable connection, or an integral connection; either directly or indirectly through intervening connectors, either internally or in cooperative relationship to each other. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present invention, unless otherwise specified, the terms "upper", "lower", "outside", and the like, which are used herein, refer to the orientation or positional relationship shown in the drawings, and are used merely for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention; for the orientation terms of the present invention, it should be understood in conjunction with the actual installation state.
The pressurizing oil cylinder is generally used for a rotary drilling rig in foundation construction, referring to fig. 3, when the pressurizing oil cylinder is in a working state, a rod head of a piston rod 16 faces downwards, a cylinder bottom 1 faces upwards, and the whole body forms an angle of 90 degrees with the ground. The utility model provides a rotary drilling rig pressurized oil cylinder bottom pin shaft structure, refer to fig. 4, fig. 4 is a structural schematic diagram of a specific embodiment of the rotary drilling rig pressurized oil cylinder bottom pin shaft structure, comprising a cylinder bottom 1, a pin shaft cover 2, a displacement sensor 3 and a cover plate 4, one end of the pin shaft cover 2 is installed on the cylinder bottom 1, the other end of the pin shaft cover 2 is installed with the cover plate 4, the pin shaft cover 2 is a hollow pin shaft cover, the pin shaft cover 2 forms a cavity 5 together with the cylinder bottom 1 and the cover plate 4, thereby having a space for installing the displacement sensor 3, the displacement sensor 3 is arranged in the cavity 5, effectively reducing the entering of external water and dust, forming effective protection for the displacement sensor 3, connecting the displacement sensor 3 with the cylinder bottom 1, the displacement distance of the pressurized oil cylinder piston rod can be confirmed through the displacement sensor 3, an elastic component is also sleeved on the pin shaft cover 2, and then the pin shaft cover 2 sleeved with the elastic component is installed and fixed in an inner hole of a mast fixing seat (not shown in the figure) of the rotary drilling rig, so that the vibration of the pressurizing oil cylinder is reduced, the unbalance loading is inhibited, and the service life of the pressurizing oil cylinder is prolonged.
As a preferred embodiment of the present invention, referring to fig. 4, 7 and 8, the cylinder bottom 1 is formed with an inner hole 6, the connecting end of the pin shaft cover 2 and the cylinder bottom 1 is formed with a flange 7, the flange 7 is installed in the inner hole 6 in a matching manner, so as to realize the connection between the pin shaft cover 2 and the cylinder bottom 1, and limit the radial movement of the pin shaft cover 2, and better inhibit the unbalance loading in the working process of the pressurizing cylinder.
It should be noted that the outer diameter of the flange 7 is equal to the inner diameter of the inner hole 6, so that the flange 7 can be attached to the hole wall of the inner hole 6 when being installed in the inner hole 6, and the effect of suppressing unbalance loading is better. In addition, the flange plate 7 and the inner hole 6 are preferably matched by a base hole, the shaft is easier to machine than a hole, the machining precision is easier to guarantee, the number of spare customized tools can be reduced, the economic benefit is better, and the flange plate 7 and the inner hole 6 are more preferably matched by H9/H9.
As a preferred embodiment of the connection structure of the flange 7 and the cylinder bottom 1, referring to fig. 4, the flange 7 is connected with the cylinder bottom 1 through the first screws 8 to limit the axial movement of the pin shaft cover 2, the number of the first screws 8 is not limited, and is determined according to the offset load and the vibration of the pressurizing cylinder, the larger the offset load and the vibration of the pressurizing cylinder are, the larger the number of the first screws 8 is, and when the pin shaft cover 2 is damaged after long-time use, the first screws 8 can be detached, thereby facilitating the replacement of the pin shaft cover 2. The connection structure between the flange 7 and the cylinder bottom 1 is various, and for example, the flange 7 is screwed to the cylinder bottom 1 by forming a screw hole corresponding to the screw thread on the outer periphery of the flange 7; alternatively, the flange 7 and the cylinder bottom 1 are welded to each other in order to reinforce the structural strength of the joint between the pin boss 2 and the cylinder bottom 1.
As a specific embodiment of the present invention, referring to fig. 4, the elastic component is a rubber sleeve 9, the rubber sleeve 9 is sleeved on the pin shaft cover 2, and the rubber sleeve 9 is fixed on the pin shaft cover 2 through a split pin 10 to prevent the rubber sleeve 9 from sliding, referring to fig. 5, a through hole 11 for inserting the split pin 10 is formed on the pin shaft cover 2, and the position of the through hole 11 should avoid the inserted split pin 10 from interfering with the displacement sensor 3.
As a specific embodiment of the present invention, referring to fig. 4, the pin shaft cover 2 is connected to the cover plate 4 through the second screw 12, and when the displacement sensor 3 is installed and maintained, the cover plate 4 can be opened by detaching the second screw 12, thereby providing excellent maintenance convenience.
As a specific embodiment of the present invention, referring to fig. 5 and 6, when the displacement sensor 3 is in the working state, it is necessary to connect the power supply and transmit data to monitor the displacement distance of the piston rod of the pressurization cylinder in real time, for the convenience of wiring the displacement sensor 3, the outside of the pin shaft cover 2 near one end of the cover plate 4 is provided with the waist-shaped hole 13, and the connecting line (not shown in the figure) of the displacement sensor 3 passes through the waist-shaped hole 13 and is connected with the outside.
As a specific embodiment of the present invention, see fig. 4, fig. 7 and fig. 8, the cylinder bottom 1 is formed with the wash port 14, in long-time use, there may be ponding in the cavity that displacement sensor 3 located, ponding can cause displacement sensor 3 corrosion or even trouble, in order to effectively avoid this condition to take place, guarantee displacement sensor 3 normal operating, this wash port 14 communicates cavity 5, and when the pressurized oil cylinder is in operating condition, as shown in fig. 3, ponding in the cavity 5 flows into wash port 14 under the influence of gravity, the rethread wash port 14 flows from the side of pressurized oil cylinder.
As a specific embodiment of the present invention, referring to fig. 7 and 8, the cylinder bottom 1 is provided with the connection screw hole 15, the connection end of the displacement sensor 3 and the cylinder bottom 1 is formed with the screw thread matched with the connection screw hole 15, the displacement sensor 3 and the cylinder bottom 1 are connected by screw thread, the screw thread connection structure is simple, the connection is reliable, and the detachment is convenient.
It should be noted that, the utility model also provides a dig rig pressurized cylinder soon, this dig rig pressurized cylinder soon has adopted the utility model provides a dig rig pressurized cylinder bottom pin structure soon can reduce pressurized cylinder vibrations and restrain the unbalance loading function in, can also embed installation displacement sensor to confirm the displacement distance of pressurized cylinder piston rod, convenient construction operation.
It is right through specific embodiment above the utility model discloses dig rig pressurized cylinder bottom pin structure soon and explain, can understand, the utility model discloses dig rig pressurized cylinder bottom pin structure soon's main structure body and size soon and be not limited to above-mentioned embodiment concrete structural style, also can be for other structural style. In addition, in order to better understand the technical solutions and methods of the present invention, the following description of preferred embodiments is given with reference to relatively comprehensive preferred technical features.
Referring to fig. 4-8, the utility model provides a rotary drilling rig pressurized cylinder bottom pin shaft structure, mainly by the cylinder bottom 1, the round pin shaft lid 2, displacement sensor 3 and apron 4 constitute, the cylinder bottom 1 is formed with hole 6, round pin shaft lid 2 is formed with flange dish 7 with cylinder bottom 1 junction end, the external diameter of flange dish 7 is equal with the internal diameter of hole 6, flange dish 7 cooperation is installed in hole 6, in order to restrict the radial movement of round pin shaft lid 2, restrain the unbalance loading, connect flange dish 7 with cylinder bottom 1 through first screw 8, make one end of round pin shaft lid 2 install on cylinder bottom 1, round pin shaft lid 2 is the hollow round pin shaft lid, apron 4 installs the other end at round pin shaft lid 2 through second screw 12, form cavity 5 with round pin shaft lid 2 and cylinder bottom 1 jointly, displacement sensor 3 arranges in cavity 5, can reduce the dust entering and the production of ponding, but in long-time working process, inevitably, ponding will produce, in order to prevent that ponding from making displacement sensor 3 corrosion even trouble, be formed with the wash port 14 that communicates cavity 5 at the bottom of the jar, in time discharge the ponding in the cavity 5 through the action of gravity, be provided with connecting thread hole 15 at the bottom of the jar 1, displacement sensor 3 is through this connecting thread hole and bottom of the jar 1 threaded connection, and simple structure is reliable, and convenient the dismantlement. In order to reduce the vibration of the pressurizing oil cylinder, protect the pressurizing oil cylinder and prolong the service life, a rubber sleeve 9 is sleeved on the pin shaft cover 2, and the rubber sleeve 9 is fixed on the pin shaft cover 2 through a split pin 10. The utility model discloses dig rig pressurized cylinder jar bottom pin structure soon and reduce pressurized cylinder vibrations and restrain the unbalance loading, protection pressurized cylinder, when increase of service life, can embed displacement sensor 3 to the displacement distance of monitoring pressurized cylinder piston rod makes things convenient for the construction operation, and the structure is ingenious and practical.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. The utility model provides a rotary drilling rig pressurized cylinder bottom pin structure, its characterized in that, includes cylinder bottom (1), round pin axle lid (2), displacement sensor (3) and apron (4), install round pin axle lid (2) one end on cylinder bottom (1), install round pin axle lid (2) other end apron (4), round pin axle lid (2) are hollow round pin axle lid, round pin axle lid (2) cooperation the cylinder bottom (1) with apron (4) form cavity (5) jointly, displacement sensor (3) are arranged in cavity (5), just displacement sensor (3) with cylinder bottom (1) is connected, the cover is equipped with elastomeric element on round pin axle lid (2).
2. The rotary drilling rig pressurizing oil cylinder bottom pin shaft structure as claimed in claim 1, wherein an inner hole (6) is formed in the cylinder bottom (1), a flange disc (7) is formed at the connecting end of the pin shaft cover (2) and the cylinder bottom (1), and the flange disc (7) is installed in the inner hole (6) in a matched mode.
3. The rotary drilling rig pressurizing oil cylinder bottom pin shaft structure as claimed in claim 2, wherein the outer diameter of the flange disc (7) is equal to the inner diameter of the inner hole (6).
4. The rotary drilling rig pressurizing oil cylinder bottom pin shaft structure as claimed in claim 2, wherein the flange disc (7) is connected with the cylinder bottom (1) through a first screw (8).
5. The rotary drilling rig pressurizing oil cylinder bottom pin shaft structure according to claim 1, wherein the elastic component is a rubber sleeve (9), the rubber sleeve (9) is fixed on the pin shaft cover (2) through a split pin (10), and the pin shaft cover (2) is provided with a through hole (11) for inserting the split pin (10).
6. The rotary drilling rig pressurizing oil cylinder bottom pin structure as claimed in any one of claims 1-5, wherein the pin shaft cover (2) is connected with the cover plate (4) through a second screw (12).
7. The rotary drilling rig pressurizing oil cylinder bottom pin shaft structure as claimed in any one of claims 1-5, wherein a kidney-shaped hole (13) for wiring of the displacement sensor (3) is formed in the outer side of one end, close to the cover plate (4), of the pin shaft cover (2).
8. The rotary drilling rig pressurizing oil cylinder bottom pin structure as claimed in any one of claims 1-5, wherein a drain hole (14) is formed in the cylinder bottom (1), and the drain hole (14) is communicated with the cavity (5).
9. The rotary drilling rig pressurizing oil cylinder bottom pin shaft structure as claimed in any one of claims 1-5, wherein the cylinder bottom (1) is provided with a connecting threaded hole (15), and the displacement sensor (3) is in threaded connection with the cylinder bottom (1) through the connecting threaded hole (15).
10. A rotary drilling rig pressurizing oil cylinder is characterized in that the bottom pin structure of the rotary drilling rig pressurizing oil cylinder is adopted according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220338351.3U CN216842479U (en) | 2022-02-18 | 2022-02-18 | Cylinder bottom pin shaft structure of rotary drilling rig pressurizing oil cylinder and rotary drilling rig pressurizing oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220338351.3U CN216842479U (en) | 2022-02-18 | 2022-02-18 | Cylinder bottom pin shaft structure of rotary drilling rig pressurizing oil cylinder and rotary drilling rig pressurizing oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216842479U true CN216842479U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220338351.3U Active CN216842479U (en) | 2022-02-18 | 2022-02-18 | Cylinder bottom pin shaft structure of rotary drilling rig pressurizing oil cylinder and rotary drilling rig pressurizing oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216842479U (en) |
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2022
- 2022-02-18 CN CN202220338351.3U patent/CN216842479U/en active Active
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