CN218971115U - Automatic pipe rubbing mechanism of pipe rubbing drilling machine - Google Patents
Automatic pipe rubbing mechanism of pipe rubbing drilling machine Download PDFInfo
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- CN218971115U CN218971115U CN202320169131.7U CN202320169131U CN218971115U CN 218971115 U CN218971115 U CN 218971115U CN 202320169131 U CN202320169131 U CN 202320169131U CN 218971115 U CN218971115 U CN 218971115U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses an automatic pipe twisting mechanism of a pipe twisting drill, and relates to the technical field of the pipe twisting drill; the device comprises two symmetrically arranged pipe rubbing oil cylinders, wherein the tail ends of piston rods of the pipe rubbing oil cylinders are respectively hinged with two sides of a sleeve chuck; the pipe rubbing cylinder is characterized in that a limiting part is arranged on a piston rod of the pipe rubbing cylinder, a triggering part is arranged on the pipe rubbing cylinder, the triggering part is connected with a control end, and after the limiting part touches the triggering part, the control end can control the pipe rubbing cylinder to switch the movement direction. The automatic pipe twisting mechanism of the pipe twisting drill provided by the utility model can realize automatic reciprocating pipe twisting, does not need frequent manual operation, and has high construction efficiency.
Description
Technical Field
The utility model relates to the technical field related to pipe twisting drills, in particular to an automatic pipe twisting mechanism of a pipe twisting drill.
Background
The pipe twisting driller is one kind of engineering equipment for full casing bored pile construction, and it uses two pipe twisting cylinders to stretch and twist the casing to make the cutter teeth at the bottom of the casing cut rock and soil and drill the casing into stratum. In the drilling process of the pipe twisting machine, an operator is required to continuously operate a hydraulic reversing valve control handle, so that the pipe twisting oil cylinder is repeatedly stretched and contracted to drive the sleeve to swing clockwise/anticlockwise, and continuous drilling is performed. The long-time high-frequency manual operation is easy to cause fatigue of operators and affects the construction efficiency.
Disclosure of Invention
The utility model aims to provide an automatic pipe twisting mechanism of a pipe twisting drill, which solves the problems in the prior art, can realize automatic reciprocating pipe twisting, does not need frequent manual operation, and has high construction efficiency.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides an automatic pipe twisting mechanism of a pipe twisting drill, which comprises two symmetrically arranged pipe twisting oil cylinders, wherein the tail ends of piston rods of the pipe twisting oil cylinders are respectively hinged with two sides of a sleeve chuck; the pipe rubbing cylinder is characterized in that a limiting part is arranged on a piston rod of the pipe rubbing cylinder, a triggering part is arranged on the pipe rubbing cylinder, the triggering part is connected with a control end, and after the limiting part touches the triggering part, the control end can control the pipe rubbing cylinder to switch the movement direction.
Optionally, the pipe rubbing oil cylinder comprises a first oil cylinder and a second oil cylinder; the control end comprises an electromagnetic directional valve, a first working port of the electromagnetic directional valve is respectively communicated with a rod cavity of the first oil cylinder and a rod-free cavity of the second oil cylinder, and a second working port of the electromagnetic directional valve is respectively communicated with the rod-free cavity of the first oil cylinder and the rod cavity of the second oil cylinder.
Optionally, the electromagnetic reversing valve is communicated with a control system, and the control system can control the electromagnetic valve coils at two ends of the electromagnetic reversing valve to be powered on or powered off, so as to change the medium flowing direction between the electromagnetic reversing valve and the tube rubbing oil cylinder, and further control the two tube rubbing oil cylinders to switch the moving direction.
Optionally, the triggering part is a first travel switch and a second travel switch which are fixedly arranged on a cylinder barrel of the first oil cylinder.
Optionally, the limiting part comprises two deflector rods capable of synchronously moving along with a piston rod of the tube rubbing cylinder; the trigger part is positioned between the two deflector rods.
Optionally, an oil cylinder protective cover is fixedly arranged on a piston rod of the pipe rubbing oil cylinder, and the deflector rod is fixedly arranged on the oil cylinder protective cover.
Optionally, the radial section of the oil cylinder protective cover is of a rectangular structure with an opening at the bottom; one end of the oil cylinder protective cover is fixedly connected with the tail end of a piston rod of the pipe rubbing oil cylinder, and the other end of the oil cylinder protective cover is arranged on a cylinder barrel of the pipe rubbing oil cylinder in a sliding manner.
Optionally, the control system comprises a first relay, a second relay and a third relay, and the electromagnetic valve coil comprises a first electromagnetic valve coil and a second electromagnetic valve coil which are positioned at two ends of the electromagnetic reversing valve; the first relay, the second relay, the third relay, the first solenoid valve coil and the second solenoid valve coil are respectively arranged in parallel; a positioning button is arranged on a branch where the first relay is located, the first travel switch is arranged on a branch where the second relay is located, the two ends of the first travel switch are respectively connected with a first relay normally-open contact and a third relay normally-closed contact in series, and a second relay normally-open contact connected with the first travel switch in parallel is arranged between the first relay normally-open contact and the third relay normally-closed contact; the branch on which the second relay is arranged is provided with the second travel switch, two ends of the second travel switch are respectively connected with a first relay normally-open contact and a second relay normally-closed contact in series, and a third relay normally-open contact connected with the second travel switch in parallel is arranged between the first relay normally-open contact and the second relay normally-closed contact; the branch on which the first solenoid valve coil is arranged is connected with a third relay normally-open contact in series, two ends of the third relay normally-open contact are connected with auxiliary branches in parallel, and the auxiliary branches are connected with the first relay normally-open contact, the second relay normally-closed contact and the third relay normally-closed contact in series; and a normally open contact of the second relay is connected in series on a branch where the second solenoid valve coil is located.
Compared with the prior art, the utility model has the following technical effects:
according to the utility model, through a mechanical structure and an electric and hydraulic control system, automatic pipe rubbing operation of the pipe rubbing drilling machine is realized, the moving direction is automatically switched after the pipe rubbing oil cylinder extends or retracts to a full stroke position, the manual operation frequency of an operation worker is reduced, the automation degree of the pipe rubbing drilling machine is improved, the pipe rubbing oil cylinder is repeatedly stretched and contracted, and the sleeve is driven to swing clockwise/anticlockwise so as to continuously drill.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic top view of an automatic pipe twisting mechanism of a pipe twisting drill of the present utility model;
FIG. 2 is a front view of a first cylinder of the automatic pipe twisting mechanism of the pipe twisting drill of the present utility model;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
FIG. 4 is a schematic diagram of the oil paths of the electromagnetic directional valve and the pipe-rubbing oil cylinder of the utility model;
FIG. 5 is a schematic diagram of the control logic of the automatic pipe twisting mechanism of the pipe twisting machine of the present utility model;
reference numerals illustrate: 1-sleeve chuck, 2-rubbing cylinder, 201-first cylinder, 202-second cylinder, 3-electromagnetic reversing valve, 4-deflector rod, 5-cylinder protective cover, SQ 1-first travel switch, SQ 2-second travel switch, SB 1-positioning button, 1 DT-first solenoid valve coil, 2 DT-second solenoid valve coil, KA 1-first relay, KA 2-second relay and KA 3-third relay.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide an automatic pipe twisting mechanism of a pipe twisting drill, which solves the problems in the prior art, can realize automatic reciprocating pipe twisting, does not need frequent manual operation, and has high construction efficiency.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
The utility model provides an automatic pipe twisting mechanism of a pipe twisting drill, which is shown in figures 1, 2, 3 and 4, and comprises two symmetrically arranged pipe twisting oil cylinders 2, wherein the tail ends of piston rods of the pipe twisting oil cylinders 2 are respectively hinged with two sides of a sleeve chuck 1; the piston rod of the pipe rubbing cylinder 2 is provided with a limiting part, the pipe rubbing cylinder 2 is provided with a triggering part, the triggering part is connected with a control end, and after the limiting part touches the triggering part, the control end can control the pipe rubbing cylinder 2 to switch the movement direction.
Specifically, the pipe rubbing cylinder 2 includes a first cylinder 201 and a second cylinder 202; the control end comprises an electromagnetic directional valve 3, a first working port of the electromagnetic directional valve 3 is respectively communicated with a rod cavity of the first oil cylinder 201 and a rod-free cavity of the second oil cylinder 202, and a second working port of the electromagnetic directional valve 3 is respectively communicated with the rod-free cavity of the first oil cylinder 201 and the rod cavity of the second oil cylinder 202. The electromagnetic directional valve 3 is communicated with a control system, and the control system can control the electromagnetic coils at two ends of the electromagnetic directional valve 3 to be powered on or powered off, so as to change the medium flowing direction between the electromagnetic directional valve and the pipe rubbing oil cylinder, and further control the two pipe rubbing oil cylinders to switch the moving direction. The trigger part is a first travel switch SQ1 and a second travel switch SQ2 fixedly provided on the cylinder barrel of the first cylinder 201. The limiting part comprises two deflector rods 4 which can synchronously move along with a piston rod of the pipe-rubbing oil cylinder 2, an oil cylinder protective cover 5 is fixedly arranged on the piston rod of the pipe-rubbing oil cylinder 2, and the radial section of the oil cylinder protective cover 5 is of a rectangular structure with an opening at the bottom; one end of the oil cylinder protective cover 5 is fixedly connected with the tail end of a piston rod of the pipe rubbing oil cylinder, the other end of the oil cylinder protective cover 5 is arranged on a cylinder barrel of the pipe rubbing oil cylinder in a sliding manner, the deflector rod 4 is fixedly arranged on the oil cylinder protective cover 5, and the position of the deflector rod 4 is adjustable; the first travel switch and the second travel switch are positioned between the two deflector rods 4, the oil cylinder stretches to drive the deflector rods 4 to move, and when the oil cylinder stretches out or retracts to a specific position, the deflector rods 4 touch the corresponding first travel switch or second travel switch, so that the relay coil is electrified, the electromagnetic reversing valve 3 is connected or disconnected, and the oil cylinder is controlled to switch the movement direction.
As shown in fig. 5, the control system comprises a first relay KA1, a second relay KA2 and a third relay KA3, and the solenoid valve coils comprise a first solenoid valve coil 1DT and a second solenoid valve coil 2DT which are positioned at two ends of the solenoid directional valve 3; the first relay KA1, the second relay KA2, the third relay KA3, the first solenoid valve coil 1DT and the second solenoid valve coil 2DT are respectively arranged in parallel; a positioning button SB1 is arranged on a branch where the first relay KA1 is positioned, a first travel switch SQ1 is arranged on a branch where the second relay KA2 is positioned, the two ends of the first travel switch SQ1 are respectively connected with a first relay normally-open contact and a third relay normally-closed contact in series, and a second relay normally-open contact connected with the first travel switch SQ1 in parallel is arranged between the first relay normally-open contact and the third relay normally-closed contact; a second travel switch SQ2 is arranged on a branch where the second relay KA2 is positioned, the two ends of the second travel switch SQ2 are respectively connected in series with a first relay normally-open contact and a second relay normally-closed contact, and a third relay normally-open contact which is connected with the second travel switch SQ in parallel is arranged between the first relay normally-open contact and the second relay normally-closed contact; the branch on which the first solenoid valve coil 1DT is arranged is connected in series with a normally open contact of a third relay, two ends of the normally open contact of the third relay are connected in parallel with auxiliary branches, and the auxiliary branches are connected in series with the normally open contact of the first relay, the normally closed contact of the second relay and the normally closed contact of the third relay; and a second relay normally open contact is connected in series on a branch where the second solenoid valve coil 2DT is located.
The control logic of the utility model is as follows: the first working port A and the second working port B of the electromagnetic reversing valve are respectively connected with two cavities of the pipe rubbing cylinder 2. When the positioning button SB1 is pressed, the coil of the first relay KA1 is electrified, the normally open contact of the first relay KA1 is closed, the first solenoid valve coil 1DT is electrified, the pipe rubbing cylinder continuously moves, when the deflector rod touches the first travel switch SQ1, the coil of the second relay KA2 is electrified, the normally open contact of the second relay KA2 is closed, the normally closed contact of the second relay KA2 is disconnected, at the moment, the coil of the first solenoid valve 1DT is electrified, the cylinder reversely moves to the deflector rod to touch the second travel switch SQ2, the coil of the third relay KA3 is electrified, the normally open contact of the third relay KA3 is disconnected, the coil of the second relay KA2 is electrified, the coil of the first solenoid valve 1DT is electrified, the coil of the second solenoid valve 2DT is electrified, and the cylinder reversely moves again. The pipe twisting machine can continuously perform pipe twisting action.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (8)
1. An automatic pipe rubbing mechanism of a pipe rubbing drilling machine is characterized in that: the device comprises two symmetrically arranged pipe rubbing oil cylinders, wherein the tail ends of piston rods of the pipe rubbing oil cylinders are respectively hinged with two sides of a sleeve chuck; the pipe rubbing cylinder is characterized in that a limiting part is arranged on a piston rod of the pipe rubbing cylinder, a triggering part is arranged on the pipe rubbing cylinder, the triggering part is connected with a control end, and after the limiting part touches the triggering part, the control end can control the pipe rubbing cylinder to switch the movement direction.
2. The automatic pipe twisting mechanism of a pipe twisting machine according to claim 1, wherein: the pipe rubbing oil cylinder comprises a first oil cylinder and a second oil cylinder; the control end comprises an electromagnetic directional valve, a first working port of the electromagnetic directional valve is respectively communicated with a rod cavity of the first oil cylinder and a rod-free cavity of the second oil cylinder, and a second working port of the electromagnetic directional valve is respectively communicated with the rod-free cavity of the first oil cylinder and the rod cavity of the second oil cylinder.
3. The automatic pipe twisting mechanism of a pipe twisting machine according to claim 2, wherein: the electromagnetic reversing valve is communicated with a control system, and the control system can control the electromagnetic valve coils at two ends of the electromagnetic reversing valve to be electrified or deenergized, so that the medium flowing direction between the electromagnetic reversing valve and the pipe rubbing oil cylinder is changed, and further the two pipe rubbing oil cylinders are controlled to switch the moving direction.
4. An automatic pipe twisting mechanism of a pipe twisting machine according to claim 3, wherein: the trigger part is a first travel switch and a second travel switch which are fixedly arranged on a cylinder barrel of the first oil cylinder.
5. The automatic pipe twisting mechanism of a pipe twisting machine according to claim 4, wherein: the limiting part comprises two deflector rods capable of synchronously moving along with a piston rod of the pipe rubbing oil cylinder; the trigger part is positioned between the two deflector rods.
6. The automatic pipe twisting mechanism of a pipe twisting machine according to claim 5, wherein: the cylinder protection cover is fixedly arranged on a piston rod of the pipe rubbing cylinder, and the deflector rod is fixedly arranged on the cylinder protection cover.
7. The automatic pipe twisting mechanism of a pipe twisting machine according to claim 6, wherein: the radial section of the oil cylinder protective cover is of a rectangular structure with an opening at the bottom; one end of the oil cylinder protective cover is fixedly connected with the tail end of a piston rod of the pipe rubbing oil cylinder, and the other end of the oil cylinder protective cover is arranged on a cylinder barrel of the pipe rubbing oil cylinder in a sliding manner.
8. The automatic pipe twisting mechanism of a pipe twisting machine according to claim 5, wherein: the control system comprises a first relay, a second relay and a third relay, and the electromagnetic valve coil comprises a first electromagnetic valve coil and a second electromagnetic valve coil which are positioned at two ends of the electromagnetic reversing valve; the first relay, the second relay, the third relay, the first solenoid valve coil and the second solenoid valve coil are respectively arranged in parallel; a positioning button is arranged on a branch where the first relay is located, the first travel switch is arranged on a branch where the second relay is located, the two ends of the first travel switch are respectively connected with a first relay normally-open contact and a third relay normally-closed contact in series, and a second relay normally-open contact connected with the first travel switch in parallel is arranged between the first relay normally-open contact and the third relay normally-closed contact; the branch on which the second relay is arranged is provided with the second travel switch, two ends of the second travel switch are respectively connected with a first relay normally-open contact and a second relay normally-closed contact in series, and a third relay normally-open contact connected with the second travel switch in parallel is arranged between the first relay normally-open contact and the second relay normally-closed contact; the branch on which the first solenoid valve coil is arranged is connected with a third relay normally-open contact in series, two ends of the third relay normally-open contact are connected with auxiliary branches in parallel, and the auxiliary branches are connected with the first relay normally-open contact, the second relay normally-closed contact and the third relay normally-closed contact in series; and a normally open contact of the second relay is connected in series on a branch where the second solenoid valve coil is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320169131.7U CN218971115U (en) | 2023-02-09 | 2023-02-09 | Automatic pipe rubbing mechanism of pipe rubbing drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320169131.7U CN218971115U (en) | 2023-02-09 | 2023-02-09 | Automatic pipe rubbing mechanism of pipe rubbing drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218971115U true CN218971115U (en) | 2023-05-05 |
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ID=86167297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320169131.7U Active CN218971115U (en) | 2023-02-09 | 2023-02-09 | Automatic pipe rubbing mechanism of pipe rubbing drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218971115U (en) |
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2023
- 2023-02-09 CN CN202320169131.7U patent/CN218971115U/en active Active
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