CN109277986B - Overlength lead screw installation frock - Google Patents
Overlength lead screw installation frock Download PDFInfo
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- CN109277986B CN109277986B CN201811106999.2A CN201811106999A CN109277986B CN 109277986 B CN109277986 B CN 109277986B CN 201811106999 A CN201811106999 A CN 201811106999A CN 109277986 B CN109277986 B CN 109277986B
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- roller
- screw rod
- lead screw
- vertical
- bearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention relates to the technical field of equipment installation, and discloses an overlong lead screw installation tool, which comprises a roller seat and a roller which is arranged on the roller seat and used for bearing a lead screw, wherein the lower end of the roller seat is connected with a seat plate, the roller is a nylon roller, the roller is arranged on the roller and used for bearing the lead screw, the axial section of the roller is concave, and two ends of the roller are supported on the roller seat through rolling bearings. The invention can effectively prevent the bearing, the stern tube and the screw rod from being damaged by the contact of the overlong screw rod with the bearing inner diameter alloy and the finely bored inner diameter surface of the stern tube during the installation, and simultaneously improve the convenience and the safety of the installation operation.
Description
Technical Field
The invention relates to the technical field of equipment installation, in particular to an overlong lead screw installation tool.
Background
In the installation process of ship equipment, a boring press-fitting type stern tube bearing is adopted. For example, for a ship, an ultra-long screw rod of M60X 6000 is needed for press mounting of a bearing. During construction, the screw rod needs to be strung (pulled) through the bearing and the bored stern tube, and in order to prevent the screw rod from touching and damaging the bearing inner diameter alloy and the finely bored stern tube inner diameter surface, constructors need to drill into the stern tube with the diameter of phi 700 x 4500 and manually lift the stern tube to string the screw rod. The bracket of the oil pipe and the temperature probe is fully distributed in the stern tube, so that the construction environment is poor and certain potential safety hazards exist.
Disclosure of Invention
In order to solve the problems, the invention provides an overlong screw rod installation tool, which aims to prevent a bearing, a stern tube and a screw rod from being damaged by the contact of an overlong screw rod with an inner diameter alloy of the bearing and the inner diameter surface of a finely bored stern tube during installation, and improve the convenience and the safety of installation operation. The specific technical scheme is as follows:
the utility model provides an overlength lead screw installation frock, includes the gyro wheel seat, installs be used for bearing the weight of the gyro wheel of lead screw on the gyro wheel seat, the lower extreme of gyro wheel seat is connected with the bedplate, the gyro wheel is the nylon gyro wheel the axle cross-sectional shape that is used for bearing the weight of the lead screw part on the gyro wheel is sunken shape, the both ends of gyro wheel are passed through antifriction bearing and are supported on the gyro wheel seat.
Wherein, the bedplate is wooden bedplate.
Among the above-mentioned technical scheme, adopt the nylon preparation gyro wheel that can not damage the lead screw, install on wooden bedplate, design into the sunken shape in the middle of the gyro wheel simultaneously, can prevent that the lead screw from controlling the landing. When in use, the tool is horizontally placed at the front end of a bearing retainer in the stern tube, and then the screw rod is placed on the roller to be pushed (pulled) forward, so that the screw rod can be strung in. Compared with the existing installation method of the overlong screw rod, the installation method can effectively prevent the overlong screw rod from touching the bearing inner diameter alloy and the inner diameter surface of the finely bored stern tube to damage the bearing, the stern tube and the screw rod, and meanwhile, an operator does not need to manually lift the screw rod into the stern tube with a smaller caliber to string the screw rod, thereby improving the convenience and the safety of installation operation.
As one preferable aspect of the present invention, the recess is shaped in a concave arc.
As a second preferable aspect of the present invention, the recess is V-shaped.
The specific structure of the roller seat in the invention is as follows: the roller seat comprises a bottom plate and a pair of vertical plates which are connected to the bottom plate and are parallel to each other, bearing holes are formed in the vertical plates, and two ends of the roller are supported in the bearing holes of the vertical plates on the roller seat through rolling bearings.
As a further improvement of the structure of the roller seat, the roller seat comprises a bottom plate and a pair of vertical plates which are connected to the bottom plate, perpendicular to the bottom plate and parallel to each other, sliding plates capable of moving up and down are arranged on the vertical plates, the sliding plates are fixed with the vertical plates through bolts, bearing holes are formed in the sliding plates, and two ends of each roller are supported in the bearing holes of the sliding plates on the roller seat through rolling bearings.
The vertical plate is provided with a vertical sliding groove and a vertical waist-shaped hole, the sliding plate is positioned in the vertical sliding groove, and the bolt penetrates through the vertical waist-shaped hole to tightly connect the vertical plate with the sliding plate.
When the height of the roller needs to be adjusted, only the bolt for connecting the sliding plate and the vertical plate needs to be loosened, then the roller is grabbed to pull upwards or press downwards, and the roller is adjusted to the proper height and then fastened again.
The arrangement of the sliding plate capable of moving up and down on the roller seat realizes the adjustment of the height of the roller, and the universality is good.
As a further improvement of the invention, the installation tool is also provided with an illuminating lamp, a battery connected with the illuminating lamp and a switch.
The illuminating lamp is an illuminating lamp with an adjustable illuminating angle.
The installation tool is provided with the lighting lamp, so that the installation operation of the screw rod is greatly facilitated.
As a further improvement, the overlength screw rod installation tool further comprises a screw rod radial displacement adjusting device, the screw rod radial displacement adjusting device comprises four air nozzles which are respectively adsorbed on the excircle of the front end of the screw rod through rubber magnetic blocks and are uniformly distributed along the axial direction, the air nozzle is perpendicular to the screw rod axis and faces the direction far away from the screw rod axis, and the four air nozzles are respectively connected with four air hoses.
Wherein, four air nozzle respectively with rubber magnetism piece fixed connection.
The use method of the screw rod radial displacement adjusting device comprises the following steps: the four air nozzles are adsorbed on the excircle at the front end of the screw rod through the rubber magnetic blocks, and are conveyed together with the screw rod to a position close to the inner diameter of a stern tube through the idler wheel, the centering condition of the screw rod is observed through the illuminating lamp, whether the screw rod interferes with the inner diameter of the stern tube or not, if deviation exists, one of the four air nozzles (or two adjacent air nozzles are simultaneously selected according to the direction of the deviation) is selected to blow air according to the direction of the deviation, the pressure of compressed air is adjusted, the compressed air sprayed out of the air nozzles blows to the wall thickness of one section of tube at the front end of the stern tube, reverse thrust is formed (the thrust is controlled by adjusting the pressure of the compressed air), the radial displacement of the deviated screw rod is corrected, and the fact that the screw rod does not interfere with the inner diameter of the. After the adjustment is completed, the air nozzle at the front end of the screw rod can be retracted by connecting four air hoses.
Above-mentioned radial displacement adjusting device of lead screw has further improved the reliability and the convenience of lead screw installation.
The invention has the beneficial effects that:
firstly, the ultra-long lead screw mounting tool provided by the invention adopts nylon which can not damage the lead screw threads to manufacture the roller, the roller is mounted on the wooden seat plate, and the roller is designed into a shape with a concave middle part (the lead screw can be prevented from sliding left and right). When in use, the tool is horizontally placed at the front end of a bearing retainer in the stern tube, and then the screw rod is placed on the roller to be pushed (pulled) forward, so that the screw rod can be strung in. Compared with the existing installation method of the overlong screw rod, the installation method can effectively prevent the overlong screw rod from touching the bearing inner diameter alloy and the inner diameter surface of the finely bored stern tube to damage the bearing, the stern tube and the screw rod, and meanwhile, an operator does not need to manually lift the screw rod into the stern tube with a smaller caliber to string the screw rod, thereby improving the convenience and the safety of installation operation.
Secondly, according to the ultra-long lead screw mounting tool, due to the arrangement of the sliding plate capable of moving up and down on the roller seat, the height of the roller is adjusted, and the universality is good.
Thirdly, the installation tool for the ultra-long lead screw is provided with the lighting lamp, so that the installation operation of the lead screw is greatly facilitated.
Fourthly, the ultra-long lead screw mounting tool provided by the invention adopts lighter wood plates and nylon materials, so that the weight is reduced while the strength is ensured, and constructors can conveniently place the tool in place. The screw rod stringing (pulling) can be easily and safely completed by using the roller, people do not need to be sent to drill into the stern tube, and the construction time can be shortened by more than one time while the number of the people is reduced.
Fifthly, the reliability and convenience of the installation of the screw rod are further improved by the screw rod radial displacement adjusting device.
Drawings
FIG. 1 is a schematic structural view of an ultra-long lead screw mounting tool of the invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of the mounting fixture for an ultra-long lead screw of FIG. 1 with the addition of a height-adjustable slide plate;
FIG. 4 is a left side view of FIG. 3;
fig. 5 is a schematic structural view of the lever radial displacement adjusting device.
In the figure: 1. the device comprises a roller seat, 2, rollers, 3, a seat plate, 4, a rolling bearing, 5, a bottom plate, 6, a vertical plate, 7, a sliding plate, 8, a bolt, 9, a vertical sliding groove, 10, a vertical waist-shaped hole, 11, a lighting lamp, 12, a battery, 13, a switch, 14, a stern tube, 15 and a screw rod.
In the figure: 16. rubber magnetic block 17, air nozzle 18, air hose 19, inner diameter of stern tube 20, front end tube wall of stern tube inner diameter
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 5 show an embodiment of an extra-long lead screw installation tool according to the present invention, which includes a roller seat 1 and a roller 2 installed on the roller seat 1 and used for bearing a lead screw 15, wherein a seat plate 3 is connected to a lower end of the roller seat 1, the roller 2 is a nylon roller, a portion of the roller 2 used for bearing the lead screw 15 has a concave axial cross-section, and two ends of the roller 2 are supported on the roller seat 1 through rolling bearing supports 5.
Wherein, the seat board 3 is a wooden seat board.
Among the above-mentioned technical scheme, adopt the nylon preparation gyro wheel 2 that can not damage the 15 screw threads of lead screw, install on wooden bedplate 3, design into middle sunken shape with gyro wheel 2 simultaneously, can prevent that lead screw 15 from landing about to. When in use, the tool is horizontally placed at the front end of a bearing retainer in the stern tube 14, and then the screw rod 15 is placed on the roller 2 to be pushed (pulled) forward, so that the screw rod 15 can be stringed. Compared with the existing installation method of the overlong screw rod 15, the installation method can effectively prevent the overlong screw rod 15 from touching the bearing inner diameter alloy and the inner diameter surface of the finely bored stern tube 14 to damage the bearing, the stern tube 14 and the screw rod 15, and meanwhile, an operator does not need to manually lift the screw rod 15 into the stern tube 14 with a small caliber to string the screw rod 15, thereby improving the convenience and the safety of installation operation.
As one preferable mode of this embodiment, the recess is shaped like a concave arc.
As a second preferable mode of this embodiment, the recess is V-shaped.
The specific structure of the roller seat 1 in this embodiment is as follows: the roller seat 1 comprises a bottom plate 5 and a vertical plate 6 which is connected to the bottom plate 5 and is perpendicular to the bottom plate 3 and parallel to each other, bearing holes are formed in the vertical plate 6, and two ends of the roller 2 are supported in the bearing holes of the vertical plate 6 on the roller seat 1 through rolling bearings 4.
As a further improvement of the structure of the roller seat 1 in this embodiment, the roller seat 1 includes a bottom plate 5 and a pair of vertical plates 6 connected to the bottom plate 5 and perpendicular to the bottom plate 5 and parallel to each other, a sliding plate 7 capable of moving up and down is disposed on the vertical plate 6, the sliding plate 7 is fixed to the vertical plate 6 through a bolt 8, a bearing hole is formed in the sliding plate 7, and two ends of the roller 2 are supported in the bearing hole of the sliding plate 7 on the roller seat 1 through a rolling bearing 4.
Vertical sliding grooves 9 and vertical waist-shaped holes 10 are formed in the vertical plates 6, the sliding plates 7 are positioned in the vertical sliding grooves 9, and the bolts 8 penetrate through the vertical waist-shaped holes 9 to tightly connect the vertical plates 6 and the sliding plates 7.
When the height of the roller 2 needs to be adjusted, the bolt 8 for connecting the sliding plate 7 and the vertical plate 6 only needs to be loosened, then the roller 2 is grabbed to pull upwards or press downwards, and the bolt 8 is fastened again after the roller 2 is adjusted to the proper height.
The arrangement of the sliding plate 7 which can move up and down on the roller seat 1 realizes the height adjustment of the roller 2, and the universality is good.
As a further improvement of the present embodiment, the installation tool is further provided with an illuminating lamp 11, a battery 12 connected with the illuminating lamp 11, and a switch 13.
The illuminating lamp 11 is an illuminating lamp with an adjustable illuminating angle.
The arrangement of the illuminating lamp 11 on the installation tool greatly facilitates the installation operation of the screw rod 15.
As further improvement, the overlength lead screw installation frock of this embodiment still includes lead screw radial displacement adjusting device, lead screw radial displacement adjusting device includes to adsorb through rubber magnetism piece 16 respectively on the 15 front end excircles of lead screw and along four air jet 17 of axial equipartition, air jet 17's air jet direction and the perpendicular 15 axis of lead screw and towards keeping away from 15 axis directions of lead screw, four air jet 17 connect four air hose 18 respectively.
Wherein, four air nozzles 17 are respectively fixedly connected with the rubber magnetic block 16.
The use method of the screw rod radial displacement adjusting device comprises the following steps: the four air nozzles 17 are adsorbed on the excircle at the front end of the screw rod 15 through the rubber magnetic block 16, when the four air nozzles are conveyed to a position close to the inner diameter of a stern tube together with the screw rod 15 through the roller 2, the centering condition of the screw rod is observed through a lighting lamp, whether the screw rod interferes with the inner diameter of the stern tube or not, if deviation is found, one of the four air nozzles 17 (or two adjacent air nozzles are simultaneously selected according to the deviation direction) is selected according to the deviation direction to blow air, the pressure of compressed air is adjusted, the compressed air sprayed out of the air nozzles 17 blows to the wall thickness of a section of tube at the front end of the stern tube, reverse thrust is formed (the thrust is controlled by adjusting the pressure of the compressed air), the radial displacement of the deviated screw rod is corrected, and the fact that the screw rod does not interfere with the inner diameter of the. After the adjustment is completed, the air nozzle 17 at the front end of the screw 15 can be retracted by connecting four air hoses 18.
Above-mentioned radial displacement adjusting device of lead screw has further improved the reliability and the convenience of lead screw installation.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The overlength lead screw mounting tool is characterized by comprising a roller seat and a roller which is mounted on the roller seat and used for bearing a lead screw, wherein the lower end of the roller seat is connected with a seat plate, the roller is a nylon roller, the roller is provided with a concave shaft section for bearing the lead screw, and two ends of the roller are supported on the roller seat through rolling bearings; the screw rod radial displacement adjusting device comprises four air nozzles which are respectively adsorbed on the excircle of the front end of the screw rod through rubber magnetic blocks and are uniformly distributed along the axial direction, the air nozzle is perpendicular to the screw rod axial line and faces the direction far away from the screw rod axial line, and the four air nozzles are respectively connected with four air hoses;
the roller seat comprises a bottom plate and a pair of vertical plates which are connected to the bottom plate, perpendicular to the bottom plate and parallel to each other, sliding plates capable of moving up and down are arranged on the vertical plates, the sliding plates are fixed with the vertical plates through bolts, bearing holes are formed in the sliding plates, and two ends of each roller are supported in the bearing holes of the sliding plates on the roller seat through rolling bearings; the vertical plate is provided with a vertical sliding groove and a vertical waist-shaped hole, the sliding plate is positioned in the vertical sliding groove, and the bolt penetrates through the vertical waist-shaped hole to tightly connect the vertical plate and the sliding plate; the installation tool is also provided with an illuminating lamp, a battery connected with the illuminating lamp and a switch;
when the device is used, the four air nozzles are adsorbed on the excircle at the front end of the screw rod through the rubber magnetic blocks, are conveyed to a position close to the inner diameter of a stern tube together with the screw rod through the roller, and when deviation is found, one of the four air nozzles or two adjacent air nozzles are selected for blowing according to the deviation direction, and the pressure of compressed air is adjusted, so that the radial displacement of the deviated screw rod is corrected, and the screw rod is enabled not to interfere with the inner diameter of the stern tube; after the adjustment is completed, the air nozzle at the front end of the screw rod is retracted through the four connected air hoses.
2. The tooling of claim 1 wherein the base plate is a wood base plate.
3. The overlength lead screw installation tool according to claim 1, wherein the recess is shaped like a concave arc.
4. The overlength lead screw installation tool of claim 1, wherein the recess is V-shaped.
5. The overlength lead screw installation tool according to claim 1, wherein the illumination lamp is an illumination lamp with an adjustable illumination angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811106999.2A CN109277986B (en) | 2018-09-21 | 2018-09-21 | Overlength lead screw installation frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811106999.2A CN109277986B (en) | 2018-09-21 | 2018-09-21 | Overlength lead screw installation frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109277986A CN109277986A (en) | 2019-01-29 |
| CN109277986B true CN109277986B (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811106999.2A Active CN109277986B (en) | 2018-09-21 | 2018-09-21 | Overlength lead screw installation frock |
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| Country | Link |
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| CN (1) | CN109277986B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3551983A (en) * | 1968-05-03 | 1971-01-05 | Bryan J Newbury | Pipe guide with fixed position rollers |
| CN201817563U (en) * | 2010-10-22 | 2011-05-04 | 天津滨海龙泰科技发展有限公司 | Shaft bracket for fixing and supporting mandril workpiece |
| CN201964108U (en) * | 2011-03-16 | 2011-09-07 | 中国石油天然气集团公司 | Support frame for movable logging instrument |
| CN202834412U (en) * | 2012-08-02 | 2013-03-27 | 中国石油天然气集团公司 | Pipeline rolling support with transversal limit function |
| CN203062203U (en) * | 2013-01-28 | 2013-07-17 | 广新海事重工股份有限公司 | Auxiliary installation device for ship stern shaft |
| CN204628468U (en) * | 2015-05-22 | 2015-09-09 | 泉州佳泰数控有限公司 | A kind of screw mandrel support device |
| CN205097137U (en) * | 2015-10-16 | 2016-03-23 | 天津鑫恒源科技发展有限公司 | A instrument for changing sealing member |
| CN205877619U (en) * | 2016-08-11 | 2017-01-11 | 刘清泉 | A support for installing heat exchange tube |
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2018
- 2018-09-21 CN CN201811106999.2A patent/CN109277986B/en active Active
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| CN109277986A (en) | 2019-01-29 |
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