CN113579788A - Thin-wall cylindrical cabin section quick clamping tool - Google Patents
Thin-wall cylindrical cabin section quick clamping tool Download PDFInfo
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- CN113579788A CN113579788A CN202110746211.XA CN202110746211A CN113579788A CN 113579788 A CN113579788 A CN 113579788A CN 202110746211 A CN202110746211 A CN 202110746211A CN 113579788 A CN113579788 A CN 113579788A
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- cabin section
- barrel
- cabin
- pipeline
- temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/086—Work-clamping means other than mechanically-actuated using a solidifying liquid, e.g. with freezing, setting or hardening means
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- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention relates to the field of workpiece fixing devices, in particular to a thin-wall cylindrical cabin section quick clamping tool which comprises a plate; and a clamp; the rapid clamping tool further comprises a cylinder, the cabin section is arranged on the outer side or the inner side of the cylinder, and a gap between the cabin section and the cylinder forms an interlayer; and cabin section fixing agent filled in the interlayer; and a temperature changing device; and a thermostatic vessel for storing a cabin-section fixing agent; and a fluid transfer device. This application provides the holding power through a section of thick bamboo in the inside or the outside of cabin section to balanced fixture acts on the clamp force on the cabin section, avoids the cabin section to be deformed by too big clamp force centre gripping, causes the damage of cabin section, and this application uses polyethylene glycol melting method to construct interim, easily form, the solid intermediate layer of easily getting rid of between cabin section and a section of thick bamboo simultaneously, in order to eliminate the clearance between cabin section and the section of thick bamboo, makes this application more reliable.
Description
Technical Field
The invention relates to the field of workpiece fixing devices, in particular to a thin-wall cylindrical cabin section rapid clamping tool.
Background
Under the condition of the prior art, large systems such as ships, airplanes, missiles, rockets and the like cannot be directly manufactured in a one-step forming mode, but are divided into a plurality of cabin sections for modularized production, and finally the whole manufacturing is completed through butt joint and assembly. The cabin section is generally in a thin-wall cylindrical shape, and when a thin-wall workpiece is machined, a clamp is generally required to be used for clamping, and when the clamp is used for clamping and positioning the thin-wall workpiece, the thin-wall workpiece can generate certain elastic deformation under the action of a clamping force.
At present, in the prior art, patent application number CN201911357145.6 proposes a method for determining the clamping force of a thin-wall workpiece, which measures the elastic deformation of the thin-wall workpiece to determine whether the reverse thrust clamping force will cause the plastic deformation of the thin-wall workpiece, thereby solving the problem of the damage of the thin-wall workpiece caused by the excessive clamping force.
However, the appropriate clamping force for the thin-wall workpiece means that the clamping force is small, the inner and outer circumferential surfaces of the thin-wall workpiece are usually required to be milled, and chatter is easy to occur due to the fact that the wall thickness is small and the clamping force is small.
Therefore, a clamping tool which can provide internal and external supporting force and does not interfere with milling is needed.
Disclosure of Invention
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a thin-wall cylindrical cabin section quick clamping tool comprises a plate, wherein one end face of the cabin section abuts against one face of the plate; the clamp is arranged on the plate, and the working end of the clamp abuts against the cabin section; the quick clamping tool further comprises a cylinder, the cylinder is cylindrical, the cylinder is arranged on the plate, one end face of the cylinder is attached to one surface of the plate and fixedly connected with the plate, the cabin section is arranged on the outer side or the inner side of the cylinder, and a gap between the cabin section and the cylinder forms an interlayer; and a cabin section fixing agent filled in the interlayer, wherein the cabin section fixing agent is melted and solidified according to the temperature; the temperature changing device is used for adjusting the temperature of the barrel, so that the temperature of the interlayer is higher than the melting temperature of the cabin section fixing agent or lower than the solidification temperature of the cabin section fixing agent; the constant temperature container is used for storing the cabin section fixing agent, and the inside of the constant temperature container is always higher than the melting temperature of the cabin section fixing agent; and a fluid transfer device for transferring the melted cabin fixating agent between the interlayer and the thermostatic vessel.
Preferably, the plate is provided with a plurality of mounting holes, the mounting holes are distributed on a plurality of concentric circles surrounding the center of the plate, and the clamp and the barrel penetrate through the mounting holes through fasteners to be detachably connected with the plate.
Preferably, the barrel comprises a barrel body which is in a cylindrical shape, one end face, in contact with the plate, of the barrel body is provided with a first annular flange extending in the radial direction, the first annular flange extends towards the direction far away from the cabin section, and through holes corresponding to the mounting holes one to one are formed in the first annular flange; and a second fastener for passing through the mounting hole and connecting the plate and the barrel.
Preferably, the temperature changing device comprises a temperature changing pipeline, the temperature changing pipeline is a spirally extending pipeline, the temperature changing pipeline is arranged on one side of the barrel, which is far away from the cabin section fixing agent, and the temperature changing pipeline is tightly attached to the barrel; the first three-way valve is provided with an input end and two output ends which are selectively communicated with the input end, and the input end of the variable temperature pipeline is communicated with one end of the variable temperature pipeline; and a first heat exchanger, an input end of the first heat exchanger being communicated with one output end of the first three-way valve; and a second heat exchanger, an input end of which is communicated with the other output end of the first three-way valve; the two input ends of the second three-way valve are respectively communicated with the output ends of the first heat exchanger and the second heat exchanger; the output end of the second three-way valve is communicated with the other end of the variable-temperature pipeline through the circulating pump; and the fluid medium selectively circulates between the temperature changing pipeline and the first heat exchanger or between the temperature changing pipeline and the second heat exchanger through the circulating pump.
Preferably, the fluid transmission device comprises a transmission pipeline, one end of the transmission pipeline is communicated with the bottom of the interlayer, and the other end of the transmission pipeline is communicated with the bottom of the thermostatic container; the high-pressure gas source is communicated with the top of the constant-temperature container; and a first through stop valve through which the thermostatic vessel communicates with the atmosphere.
Preferably, the fluid transfer device further comprises a second check valve, and the high-pressure gas source is communicated with the interior of the thermostatic container through the second check valve; the inflatable sealing ring is sleeved at the top end of the barrel and seals a gap between the barrel and the cabin section when inflated; the first air nozzle is communicated with a high-pressure air source and the interior of the inflatable sealing ring; the second air nozzle penetrates through the cylinder and extends into the interlayer, and the second air nozzle is tightly close to the lower part of the inflatable sealing ring; and one end of the third check valve is communicated with the high-pressure air source, and the other end of the third check valve is communicated with the second air tap.
Preferably, the transmission pipeline comprises a main pipeline, the main pipeline penetrates through the thermostatic container and is vertically arranged inside the thermostatic container, and the bottom end of the main pipeline is not in contact with the bottom wall of the thermostatic container; the bus bar is arranged at the top end of the main pipeline and is communicated with the main pipeline; and the branch pipelines are provided with a plurality of branch pipelines which are uniformly distributed around the axis of the main pipeline, and two ends of each branch pipeline are respectively communicated with the interlayer and the busbar.
Preferably, the mounting hole is a countersunk hole, the transmission pipeline further comprises a pipe joint, the pipe joint is in a round pipe shape, the outer peripheral surface of the pipe joint is provided with threads, one end of the pipe joint is provided with a second annular flange extending outwards in the radial direction, the pipe joint penetrates through the mounting hole, and the second annular flange is embedded in the mounting hole; and the nut is in threaded connection with the pipe joint, the second annular flange and the nut are clamped on two surfaces of the plate, and the branch pipeline is in threaded connection with the pipe joint.
Preferably, a sealing gasket is laid on one side of the plate connected with the cylinder, and an avoiding through hole for avoiding the mounting hole is formed in the sealing gasket.
This application provides the holding power through a section of thick bamboo in the inside or the outside of cabin section to balanced fixture acts on the clamp force on the cabin section, avoids the cabin section to be deformed by too big clamp force centre gripping, causes the damage of cabin section, and this application uses polyethylene glycol melting method to construct interim, easily form, the solid intermediate layer of easily getting rid of between cabin section and a section of thick bamboo simultaneously, in order to eliminate the clearance between cabin section and the section of thick bamboo, makes this application more reliable.
Drawings
FIG. 1 is a perspective view of a quick clamping tool embodying the present invention;
FIG. 2 is a perspective view of a quick clamping fixture embodying the present invention after clamping a bay section;
FIG. 3 is a front view of a quick clamping fixture embodying the present invention after clamping a bay section;
FIG. 4 is a cross-sectional view at section A-A of FIG. 3;
FIG. 5 is a schematic illustration of another operating condition of FIG. 4;
FIG. 6 is a partial enlarged view of FIG. 4 at B;
FIG. 7 is an enlarged view of a portion of FIG. 5 at D;
FIG. 8 is an enlarged view of a portion of FIG. 4 at C;
FIG. 9 is a perspective view of FIG. 8;
FIG. 10 is a perspective view of a portion of a fluid transfer device embodying the present invention;
FIG. 11 is a top view of a plate embodying the present invention;
fig. 12 is a block diagram of a temperature varying apparatus embodying the present invention;
FIG. 13 is a block diagram of a fluid transfer device embodying the present invention;
the reference numbers in the figures are:
1-a plate; 1 a-mounting holes; 1 b-a gasket; 1b 1-avoiding through holes;
2-clamping; 2 a-a platen; 2 b-a first fastener;
3-barrel; 3 a-a barrel body; 3a 1-a first annular flange; 3 b-a second fastener; 3 c-a heat-insulating layer;
4-cabin fixing agent;
5-a temperature changing device; 5 a-a variable temperature pipeline; 5 b-a first three-way valve; 5 c-a first heat exchanger; 5 d-a second heat exchanger; 5 e-a second three-way valve; 5 f-a circulation pump;
6-constant temperature container;
7-a fluid transfer device; 7 a-a transfer line; 7a1 — main line; 7a 2-busbar; 7a 3-branch line; 7a 4-pipe joint; 7a5 — a second annular flange; 7a 6-nut; 7a 7-sealing head; 7 b-a high-pressure gas source; 7 c-a first on-off valve; 7 d-a second stop valve; 7 e-inflating seal ring; 7 f-a first air nozzle; 7 g-a second air nozzle; 7 h-third stop valve.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
In order to solve the technical problems that the supporting cylinder 3 force in the direction opposite to the action direction of the clamping force is provided while the thin-wall cylindrical workpiece is clamped, and the milling of the inner surface and the outer surface of the thin-wall cylindrical workpiece is not hindered, as shown in fig. 1 to 5, the following preferred technical scheme is adopted:
a thin-wall cylindrical cabin section quick clamping tool comprises a plate 1, wherein one end face of the cabin section is abutted against one face of the plate 1; the clamp 2 is arranged on the plate 1, and the working end of the clamp 2 abuts against the cabin section;
the quick clamping tool further comprises a cylinder 3, the cylinder 3 is in a cylindrical shape, the cylinder 3 is arranged on the plate 1, one end face of the cylinder 3 is attached to one face of the plate 1 and fixedly connected with the one face of the plate 1, the cabin section is arranged on the outer side or the inner side of the cylinder 3, and a gap between the cabin section and the cylinder 3 forms an interlayer; and a cabin section fixing agent 4 filled in the interlayer, wherein the cabin section fixing agent 4 is melted and solidified according to the temperature; and a temperature changing device 5 for adjusting the temperature of the barrel 3 so that the temperature of the interlayer is higher than the melting temperature of the cabin section fixing agent 4 or lower than the solidification temperature of the cabin section fixing agent 4; and a thermostatic container 6 for storing the cabin-section fixing agent 4, the inside of the thermostatic container 6 always having a temperature higher than the melting temperature of the cabin-section fixing agent 4; and a fluid transfer device 7 for transferring the melted cabin fixating agent 4 between the interlayer and the thermostatic vessel 6.
Specifically, the cabin section fixing agent 4 is polyethylene glycol which can be melted at 60-80 ℃, and the thermostatic container 6 is a barrel with a heating device arranged inside. The quick clamping tool realizes clamping of the cabin section through the following steps:
step one, transferring the cabin section onto the plate 1 through a crane, so that the cabin section is sleeved or sleeved on the barrel 3, and meanwhile, one end face of the cabin section is abutted against one face of the plate 1;
step two, the fluid transmission device 7 is started, and the cabin section fixing agent 4 in a molten state stored in the thermostatic container 6 is transmitted to an interlayer formed between the cabin section and the barrel 3;
step three, the temperature changing device 5 is started, so that the temperature of the interlayer is reduced to the solidification temperature of the cabin section fixing agent 4, and the cabin section is fixed and supported by the integrated piece formed by the barrel 3 and the cabin section fixing agent 4 after the cabin section fixing agent 4 is solidified;
step four, clamping the cabin section from one side of the cabin section, which is far away from the barrel 3, through the clamp 2, and then starting milling;
after the processing is finished, the clamp 2 is detached, the temperature changing device 5 is started, so that the temperature of the interlayer rises to the melting temperature of the cabin section fixing agent 4, and the cabin section fixing agent 4 is transmitted back to the interior of the constant temperature container 6 for storage by the fluid transmission device 7 after being melted;
and step six, hoisting the processed cabin section and transporting the cabin section to the next station.
In order to solve the technical problem of how to adapt to cabin sections with different diameters and shapes by the quick clamping tool, as shown in fig. 11, the following preferred technical scheme is adopted:
a plurality of mounting holes 1a are formed in the plate 1, the mounting holes 1a are distributed on a plurality of concentric circles surrounding the center of the plate 1, and the clamp 2 and the barrel 3 penetrate through the mounting holes 1a through fasteners to be detachably connected with the plate 1.
Specifically, the difference between the diameters of adjacent concentric circles is the same, the distances between the mounting holes 1a on the same circle are the same, the fastening piece is a bolt pair, before the cabin sections with different diameters and shapes are processed, the bolt pair is disassembled, and the barrel 3 with other specifications is replaced while the position of the clamp 2 is adjusted, so that the technical problem can be quickly solved.
In order to solve the technical problem of how to fix the cabin section, as shown in fig. 8 and 9, the following preferred technical solutions are adopted: the clamp 2 comprises a pressing plate 2a, and the cabin section is clamped between the pressing plate 2a and the plate 1; and a first fastening member 2b for passing through the mounting hole 1a and connecting the board 1 and the pressing board 2 a.
Specifically, the pressing plate 2a is used for pressing an annular flange at the edge of the cabin section, the structure is original, reliable and low in cost, when the cabin section is not provided with the annular flange, the pressing plate 2a can be replaced by any pushing block provided with a hydraulic or electric push rod, the hydraulic or electric push rod is fixedly connected with the plate 1 through a first fastening piece 2b, the pushing block abuts against the side face of the cabin section through the pushing force of the hydraulic or electric push rod, namely the peripheral wall of the cabin section is clamped between the pushing block and the barrel 3, the cabin section fixing agent 4 is used for eliminating a gap between the cabin section and the barrel 3, and the barrel 3 provides a supporting force in the opposite direction.
In order to solve the technical problem of the connecting plate 1 and the drum 3, as shown in fig. 8 and 9, the following preferred technical solutions are adopted:
the barrel 3 comprises a barrel body 3a which is in a cylindrical shape, one end face, in contact with the plate 1, of the barrel body 3a is provided with a first annular flange 3a1 which extends in the radial direction, the first annular flange 3a1 extends towards the direction far away from the cabin section, and through holes which correspond to the mounting holes 1a one to one are formed in the first annular flange 3a 1; and a second fastening member 3b for passing through the mounting hole 1a and connecting the board 1 and the barrel 3.
Specifically, the barrel 3a can be quickly disassembled, so that different barrel 3a can be replaced by workers according to different sizes and shapes of the processed cabin sections.
In order to solve the technical problem of how to adjust the temperature of the barrel 3 so as to change the temperature of the cabin fixing agent 4 in the interlayer, as shown in fig. 12, the following preferred technical scheme is adopted:
the temperature changing device 5 comprises a temperature changing pipeline 5a, the temperature changing pipeline 5a is a spirally extending pipeline, the temperature changing pipeline 5a is arranged on one side of the barrel 3 far away from the cabin section fixing agent 4, and the temperature changing pipeline 5a is tightly attached to the barrel 3; and a first three-way valve 5b, the first three-way valve 5b having one input end and two output ends selectively communicating with the input end, the input end of the temperature varying pipeline 5a communicating with one end of the temperature varying pipeline 5 a; and a first heat exchanger 5c, an input end of the first heat exchanger 5c being communicated with one output end of the first three-way valve 5 b; and a second heat exchanger 5d, an input end of the second heat exchanger 5d communicating with the other output end of the first three-way valve 5 b; and a second three-way valve 5e, the second three-way valve 5e having one output and two inputs selectively communicating with the output, the two inputs of the second three-way valve 5e communicating with the outputs of the first and second heat exchangers 5c, 5d, respectively; the output end of the second three-way valve 5e is communicated with the other end of the variable temperature pipeline 5a through the circulating pump 5 f; and a fluid medium that selectively circulates between the temperature-changing line 5a and the first heat exchanger 5c or between the temperature-changing line 5a and the second heat exchanger 5d by the circulation pump 5 f.
Specifically, the fluid medium is oil or water with a certain temperature, the first three-way valve 5b and the second three-way valve 5e are both solenoid valves, the first three-way valve 5b and the second three-way valve 5e are used for switching paths, so that the variable temperature pipeline 5a, the first heat exchanger 5c and the circulating pump 5f are communicated, or the variable temperature pipeline 5a, the second heat exchanger 5d and the circulating pump 5f are communicated, and the circulating pump 5f is used for driving the fluid medium to flow.
The first heat exchanger 5c is used to exchange heat between the fluid medium and a hot water source, which is generated by a water heater or boiler, so that the fluid medium can raise the temperature of the drum 3 by heat radiation to a temperature at which the cabin fixating agent 4 melts.
The second heat exchanger 5d is used for exchanging heat between the fluid medium and a cold water source, so that the fluid medium can absorb heat of the barrel 3 to reduce the temperature of the barrel 3 to a temperature at which the cabin section fixing agent 4 is solidified, the solidification temperature of the polyethylene glycol is about 40-60 ℃, and the cold water source can be directly tap water at normal temperature.
In order to solve the technical problem of how to transfer the cabin fixing agent 4 between the interlayer and the thermostatic vessel 6, as shown in fig. 4, 5, 10, 13, the following preferred technical solutions are adopted:
the fluid transmission device 7 comprises a transmission pipeline 7a, one end of the transmission pipeline 7a is communicated with the bottom of the interlayer, and the other end of the transmission pipeline 7a is communicated with the bottom of the thermostatic container 6; the high-pressure air source 7b is communicated with the top of the constant-temperature container 6; and a first through-stop valve 7c, through which the thermostatic vessel 6 communicates with the atmosphere.
Specifically, the high-pressure gas source 7b is an air compressor, and the high-pressure gas source 7b is used for supplying high-pressure gas from the top of the thermostatic container 6 to the inside of the thermostatic container 6.
When the cabin section fixing agent 4 is required to flow into the interlayer from the thermostatic container 6, the first through-stop valve 7c is closed, the high-pressure air source 7b is opened, and under the action of air pressure, the cabin section fixing agent 4 stored in the thermostatic container 6 flows through the transmission pipeline 7a against gravity, and then flows upwards gradually from the top of the interlayer until the cabin section fixing agent 4 fills the whole interlayer.
When the cabin section fixing agent 4 is required to flow back to the interior of the thermostatic container 6 from the interlayer, the high-pressure air source 7b is closed, the first check valve 7c is opened, the high-pressure air in the interior of the thermostatic container 6 overflows to the atmosphere, and the cabin section fixing agent 4 in the interior of the interlayer naturally flows back to the interior of the thermostatic container 6 under the action of gravity.
It should be noted that the outside of the transmission pipeline 7a is wrapped with an insulating layer or an electric heating layer, so that the cabin section fixing agent 4 inside the transmission pipeline 7a is not solidified.
In order to solve the technical problem of how to make the molten polyethylene glycol quickly flow back from the interlayer to the interior of the thermostatic container 6 so as to improve the speed of clamping the next cabin section, as shown in fig. 4, 5 and 13, the following preferred technical scheme is adopted:
the fluid transmission device 7 further comprises a second stop valve 7d, and the high-pressure air source 7b is communicated with the interior of the thermostatic vessel 6 through the second stop valve 7 d; the inflatable sealing ring 7e is sleeved at the top end of the barrel 3, and the inflatable sealing ring 7e seals a gap between the barrel 3 and the cabin section when being inflated; the first air nozzle 7f is communicated with the high-pressure air source 7b and the interior of the inflatable sealing ring 7 e; the second air nozzle 7g penetrates through the barrel 3 and extends into the interlayer, and the second air nozzle 7g abuts against the lower part of the inflatable sealing ring 7 e; and a third check valve 7h, wherein one end of the third check valve 7h is communicated with the high-pressure air source 7b, and the other end of the third check valve 7h is communicated with the second air nozzle 7 g.
Specifically, the fluid transfer device 7 has the following working steps:
s1, driving the cabin section fixing agent 4 to flow to the interlayer from the inside of the constant temperature container 6;
s1a, the second check valve 7d is opened, and the first check valve 7c and the third check valve 7h are closed;
s1b, starting a high-pressure air source 7b, expanding an inflatable sealing ring 7e to seal a gap between a barrel 3 and a cabin section, enabling cabin section fixing agent 4 stored in a constant-temperature container 6 to flow into an interlayer along a transmission pipeline 7a against gravity under the action of air pressure, increasing the quantity of cabin section fixing agent 4 flowing into the interlayer, increasing the air pressure in the interlayer, and balancing the air pressure in the interlayer and the output air pressure of the high-pressure air source 7b when the cabin section fixing agent 4 finally flows to the position below a second air nozzle 7g, so that the cabin section fixing agent 4 stops flowing;
s1c, after the cabin section fixing agent 4 is observed to be solidified, the high-pressure air source 7b is closed.
S2, driving the cabin section fixing agent 4 to flow into the thermostatic container 6 from the interlayer;
s2a, the second check valve 7d is closed, and the first check valve 7c and the third check valve 7h are opened;
s2b, opening a high-pressure air source 7b, expanding an inflatable sealing ring 7e to seal a gap between the barrel 3 and the cabin section, discharging high-pressure air in the thermostatic container 6 to the atmosphere through a first check valve 7c, enabling cabin section fixing agent 4 in the interlayer to flow back to the thermostatic container 6 through a transmission pipeline 7a, releasing high-pressure air to the top of the interlayer by a second air nozzle 7g, and enabling the cabin section fixing agent 4 in the interlayer to flow into the thermostatic container 6 at an accelerated speed under the action of air pressure until the cabin section fixing agent 4 in the transmission pipeline 7a is emptied;
and S2c, closing the high-pressure air source 7b after observing that the cabin fixing agent 4 in the interlayer is emptied.
It should be noted that, after hoisting the cabin segment, before clamping the cabin segment with the clamp 2, the following steps may also be performed:
s3a, closing the second and third stop valves 7d and 7 h;
s3b, starting the high-pressure air source 7b to inflate the inflatable sealing ring 7e, and pushing the upper end of the cabin section through the inflatable sealing ring 7e to align the axis between the cabin section and the barrel 3;
s3c, clamping the cabin section with a small clamping force by using the clamp 2;
s3d, the high-pressure air source 7b is closed, and then the step S1 is executed;
s3e, the cabin is clamped with a large clamping force using the clamp 2.
In order to solve the technical problem of how to increase the speed of the cabin-section fixing agent 4 between the interlayer and the thermostatic container 6, as shown in fig. 4, 5 and 10, the following preferred technical solutions are adopted:
the transfer line 7a comprises a main line 7a1, the main line 7a1 extending through the thermostatic vessel 6 and being arranged vertically inside the thermostatic vessel 6, the bottom end of the main line 7a1 being free from contact with the bottom wall of the thermostatic vessel 6; and a bus bar 7a2, the bus bar 7a2 being provided at the top end of the main line 7a1 and communicating with the main line 7a 1; and a plurality of branch pipelines 7a3, wherein the branch pipelines 7a3 are provided, the branch pipelines 7a3 are uniformly distributed around the axis of the main pipeline 7a1, and two ends of each branch pipeline 7a3 are respectively communicated with the interlayer and the bus bar 7a 2.
Specifically, the cabin-section fixing agent 4 is shunted to a plurality of branch pipelines 7a3 through a main pipeline 7a1 and a bus bar 7a2 under the action of high-pressure gas, and then synchronously flows into the interlayer from a plurality of parts at the bottom of the interlayer, so that the conveying speed of the cabin-section fixing agent 4 between the interlayer and the thermostatic container 6 is greatly improved.
In order to solve the technical problem of how to connect the branch pipe 7a3 with the interior of the interlayer, as shown in fig. 8 and 9, the following preferred technical solutions are adopted:
the mounting hole 1a is a countersunk hole, the transfer pipeline 7a further comprises a pipe joint 7a4, the pipe joint 7a4 is in a circular pipe shape, the outer peripheral surface of the pipe joint 7a4 is provided with threads, one end of the pipe joint 7a4 is provided with a second annular flange 7a5 extending radially outwards, the pipe joint 7a4 penetrates through the mounting hole 1a, and the second annular flange 7a5 is embedded in the mounting hole 1 a; and a nut 7a6, the nut 7a6 being screwed to the pipe joint 7a4, the second annular flange 7a5 and the nut 7a6 being interposed on both sides of the plate 1, and the branch pipe 7a3 being screwed to the pipe joint 7a 4.
Specifically, a sealing head 7a7 is attached to the end of the branch line 7a3, and the branch line 7a3 is connected to the pipe joint 7a4 via the sealing head 7a 7.
In order to solve the technical problem that the cabin fixing agent 4 may overflow through the gap between the plate 1 and the barrel 3 or the cabin, as shown in fig. 8 and 9, the following preferred technical solutions are adopted:
one side of the plate 1 connected with the cylinder 3 is laid with a sealing gasket 1b, and the sealing gasket 1b is provided with an avoiding through hole 1b1 for avoiding the mounting hole 1 a.
Specifically, the gasket 1b is a rubber gasket.
This application provides the holding power through a section of thick bamboo 3 in the inside or the outside of cabin section to balanced anchor clamps 2 are used in the clamp force on the cabin section, avoid the cabin section to be deformed by too big clamp force centre gripping, cause the damage of cabin section, this application uses polyethylene glycol melting method to construct interim, the solid intermediate layer that easily forms, easily gets rid of between cabin section and a section of thick bamboo 3 simultaneously, in order to eliminate the clearance between cabin section and a section of thick bamboo 3, makes this application more reliable.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A thin-wall cylindrical cabin section rapid clamping tool comprises
One end face of the cabin section abuts against one face of the plate (1); and
the clamp (2) is arranged on the plate (1), and the working end of the clamp (2) is abutted against the cabin section;
it is characterized in that the quick clamping tool further comprises
The barrel (3) is cylindrical, the barrel (3) is arranged on the plate (1), one end face of the barrel (3) is attached to one face of the plate (1) and fixedly connected with the plate, the cabin section is arranged on the outer side or the inner side of the barrel (3), and a gap between the cabin section and the barrel (3) forms an interlayer; and
the cabin section fixing agent (4) is filled in the interlayer, and the cabin section fixing agent (4) is melted and solidified according to the temperature; and
the temperature changing device (5) is used for adjusting the temperature of the barrel (3) so that the temperature of the interlayer is higher than the melting temperature of the cabin section fixing agent (4) or lower than the solidification temperature of the cabin section fixing agent (4); and
the constant temperature container (6) is used for storing the cabin section fixing agent (4), and the inside of the constant temperature container (6) always has a temperature higher than the melting temperature of the cabin section fixing agent (4); and
a fluid transfer device (7) for transferring the melted cabin fixating agent (4) between the interlayer and the thermostatic vessel (6).
2. The rapid clamping tool for the thin-walled cylindrical cabin section according to claim 1, wherein a plurality of mounting holes (1a) are formed in the plate (1), the mounting holes (1a) are distributed on a plurality of concentric circles surrounding the center of the plate (1), and the clamp (2) and the barrel (3) are detachably connected with the plate (1) through fasteners penetrating through the mounting holes (1 a).
3. The thin-walled cylindrical cabin segment quick clamping tool according to claim 2, characterized in that the barrel (3) comprises
The barrel body (3a) is cylindrical, a first annular flange (3a1) extending in the radial direction is arranged on one end face, in contact with the plate (1), of the barrel body (3a), the first annular flange (3a1) extends towards the direction away from the cabin section, and through holes corresponding to the mounting holes (1a) in a one-to-one mode are formed in the first annular flange (3a 1); and
and a second fastener (3b) for passing through the mounting hole (1a) and connecting the plate (1) and the barrel (3).
4. The thin-walled cylindrical cabin section quick clamping tool according to claim 1, wherein the temperature changing device (5) comprises
The temperature changing pipeline (5a) is a spirally extending pipeline, the temperature changing pipeline (5a) is arranged on one side, away from the cabin section fixing agent (4), of the barrel (3), and the temperature changing pipeline (5a) is tightly attached to the barrel (3); and
the first three-way valve (5b), the first three-way valve (5b) has an input end and two output ends which can be selectively communicated with the input end, the input end of the variable temperature pipeline (5a) is communicated with one end of the variable temperature pipeline (5 a); and
a first heat exchanger (5c), an input end of the first heat exchanger (5c) being communicated with one output end of the first three-way valve (5 b); and
a second heat exchanger (5d), an input end of the second heat exchanger (5d) is communicated with the other output end of the first three-way valve (5 b); and
a second three-way valve (5e), the second three-way valve (5e) having one output and two inputs selectively communicating with the output, the two inputs of the second three-way valve (5e) communicating with the outputs of the first heat exchanger (5c) and the second heat exchanger (5d), respectively; and
the output end of the second three-way valve (5e) is communicated with the other end of the temperature changing pipeline (5a) through the circulating pump (5 f); and
and a fluid medium which selectively circulates between the temperature changing pipeline (5a) and the first heat exchanger (5c) or between the temperature changing pipeline (5a) and the second heat exchanger (5d) through a circulating pump (5 f).
5. The thin-walled cylindrical cabin segment quick clamping tool according to claim 2, characterized in that the fluid transfer device (7) comprises
One end of the transmission pipeline (7a) is communicated with the bottom of the interlayer, and the other end of the transmission pipeline (7a) is communicated with the bottom of the thermostatic container (6); and
the high-pressure air source (7b), the high-pressure air source (7b) is communicated with the top of the constant-temperature container (6); and
a first through-stop valve (7c), and the thermostatic vessel (6) is communicated with the atmosphere through the first through-stop valve (7 c).
6. The thin-walled cylindrical cabin section quick clamping tool according to claim 5, characterized in that the fluid transmission device (7) further comprises
The high-pressure air source (7b) is communicated with the interior of the thermostatic container (6) through the second stop valve (7 d); and
the inflatable sealing ring (7e) is sleeved at the top end of the barrel (3), and the inflatable sealing ring (7e) seals a gap between the barrel (3) and the cabin section when inflated; and
the first air nozzle (7f), the first air nozzle (7f) is communicated with the high-pressure air source (7b) and the interior of the inflatable sealing ring (7 e); and
the second air nozzle (7g) penetrates through the barrel (3) and extends into the interlayer, and the second air nozzle (7g) abuts against the lower part of the inflatable sealing ring (7 e); and
and one end of the third check valve (7h) is communicated with the high-pressure air source (7b), and the other end of the third check valve (7h) is communicated with the second air nozzle (7 g).
7. The thin-walled cylindrical cabin segment quick clamping tool according to claim 5 or 6, characterized in that the transmission pipeline (7a) comprises
A main pipeline (7a1), wherein the main pipeline (7a1) penetrates through the thermostatic container (6) and is vertically arranged inside the thermostatic container (6), and the bottom end of the main pipeline (7a1) is not in contact with the bottom wall of the thermostatic container (6); and
a bus bar (7a2), the bus bar (7a2) being provided at the top end of the main line (7a1) and communicating with the main line (7a 1); and
the branch pipelines (7a3) are provided with a plurality of branch pipelines (7a3), the branch pipelines (7a3) are uniformly distributed around the axis of the main pipeline (7a1), and two ends of each branch pipeline (7a3) are respectively communicated with the interlayer and the bus bar (7a 2).
8. The thin-walled cylindrical cabin section quick clamping tool according to claim 7, wherein the mounting hole (1a) is a countersunk hole, and the transmission pipeline (7a) further comprises
The pipe joint (7a4), the pipe joint (7a4) is in a round pipe shape, the outer peripheral surface of the pipe joint (7a4) is provided with threads, one end of the pipe joint (7a4) is provided with a second annular flange (7a5) extending outwards in the radial direction, the pipe joint (7a4) penetrates through the mounting hole (1a), and the second annular flange (7a5) is embedded in the mounting hole (1 a); and
and the nut (7a6), the nut (7a6) and the pipe joint (7a4) are in threaded connection, the second annular flange (7a5) and the nut (7a6) are clamped on two surfaces of the plate (1), and the branch pipe (7a3) and the pipe joint (7a4) are in threaded connection.
9. The tool for quickly clamping the thin-walled cylindrical cabin section according to claim 2 is characterized in that a sealing gasket (1b) is laid on one surface of the plate (1) connected with the cylinder (3), and an avoiding through hole (1b1) for avoiding the mounting hole (1a) is formed in the sealing gasket (1 b).
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| CN202110746211.XA CN113579788B (en) | 2021-07-01 | 2021-07-01 | Thin-wall cylindrical cabin section quick clamping tool |
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| CN202110746211.XA CN113579788B (en) | 2021-07-01 | 2021-07-01 | Thin-wall cylindrical cabin section quick clamping tool |
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Cited By (2)
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| CN113588251A (en) * | 2021-09-06 | 2021-11-02 | 北京空间机电研究所 | Simulation static test device and method for cylindrical cabin section wall plate structure |
| CN114952329A (en) * | 2022-06-21 | 2022-08-30 | 成都飞机工业（集团）有限责任公司 | General filling and stiffening device and method for structural member |
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|---|---|
| CN113579788B (en) | 2022-06-07 |
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