CN115179009A - Pipeline connecting method - Google Patents
Pipeline connecting method Download PDFInfo
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- CN115179009A CN115179009A CN202210817309.4A CN202210817309A CN115179009A CN 115179009 A CN115179009 A CN 115179009A CN 202210817309 A CN202210817309 A CN 202210817309A CN 115179009 A CN115179009 A CN 115179009A
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- 230000007246 mechanism Effects 0.000 claims abstract description 75
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- 230000008569 process Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 230000002265 prevention Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a pipeline connecting method which comprises a pipeline connecting piece and a pressing device, wherein the pipeline connecting piece comprises an outer pipe, a built-in pipe and a clamping ring, the pressing device comprises a driving mechanism, a transmission mechanism and a pressing mechanism, and the pressing mechanism comprises a first pressing clamp and a second pressing clamp which are arranged up and down and used for placing a pipeline or a pipeline connecting piece; further comprising the steps of: s1, press-fitting the built-in pipe and the connector, and S2, connecting the built-in pipe and the connector through a pipeline. The connecting piece consists of an outer pipe, an inner pipe and a clamping ring, the whole structure is simple, and the outer pipes in different shapes are selected, so that the connecting piece can be used for the interconnection of a plurality of pipelines such as two, three, four and the like; during press mounting, the driving mechanism is started, the first pressing clamp and the second pressing clamp move in opposite directions, press mounting can be completed, the whole press mounting process is simple to operate, and the requirement on operators is low.
Description
Technical Field
The invention belongs to the technical field of pipeline connection, and particularly relates to a pipeline connection method, in particular to a method for pressing a pipeline joint into a pipeline.
Background
When the pipe and the pipe joint are fixedly sleeved, the purpose of fixing the two pipes is achieved by axially extruding the joint of the two pipes by using a press clamp, or the two pipes are directly welded together. Among the prior art, when the pressure equipment, adopt the formula of cutting pressure pincers usually, realize pipeline and pipe joint's fixed through the manual work, the operation difficulty, and just can operate after needing operating personnel to learn, high to operating personnel's requirement.
Disclosure of Invention
The invention aims to provide a pipeline connecting method, which adopts an electric mode to compress, is simple to operate and has low requirements on personnel.
Therefore, the technical scheme adopted by the invention is as follows: a pipeline connecting method comprises a pipeline connecting piece and a pressing device, wherein the pipeline connecting piece comprises an outer pipe, at least two connectors are arranged on the outer pipe, all the connectors are communicated with each other through connecting holes, the shapes of the connecting holes are matched with those of the outer pipe, a built-in pipe for placing a pipeline is arranged in each connector in a pressure-sharing mode, and each connector is provided with a clamping ring capable of being clamped on the connector;
the pressing device comprises a driving mechanism, a transmission mechanism and a pressing mechanism, the driving mechanism drives the pressing mechanism to work through the transmission mechanism, the pressing mechanism comprises a first pressing clamp and a second pressing clamp which are arranged up and down and used for placing a pipeline or a pipeline connecting piece, the first pressing clamp or the second pressing clamp can be driven by the transmission mechanism to move up and down, the moving directions of the first pressing clamp and the second pressing clamp are opposite, a clamping groove for the second pressing clamp to be clamped is formed in the position, corresponding to each connector, of the outer pipe, and a notch for the pipeline to pass through is formed in the first pressing clamp;
further comprising the steps of: s1, press-fitting the inner pipe and the connectors to enable a second pressing clamp to be clamped into the clamping groove and to ensure that the connectors face upwards, then placing one end of the inner pipe into the connectors, starting a driving mechanism to enable the first pressing clamp or the second pressing clamp to move, so that the inner pipe is pressed into the connectors, repeating the work, and until the inner pipes are uniformly pressed into all the connectors;
s2, the pipe connection, make the second press tong card go into the outer tube draw-in groove after the built-in pipe of pressure equipment on, and guarantee that the connector faces up, then place the snap ring on the connector, make again behind the breach groove passed corresponding pipeline, and guarantee that whole closing device can't the rebound, then start actuating mechanism, make first press tong or second press tong remove, thereby realize the pipeline fixed in the connector in the snap ring with the connector is impressed, the repeated work, it has the pipeline to all connectors interior equal fixed mounting.
Preferably, in the above scheme, the pressing mechanism further includes a pressing screw, a pressing nut is arranged on the pressing screw, a first pressing clamp is arranged on the pressing nut, the lower end of the pressing screw is arranged on a second pressing clamp through a bearing, and the upper end of the pressing screw is connected with the output shaft of the transmission mechanism.
Preferably, a 7-shaped fixed guide plate is arranged below the transmission mechanism, the guide sleeve penetrates through the horizontal section of the fixed guide plate downwards, a guide rail is vertically arranged on the vertical section of the fixed guide plate, the first pressing clamp comprises a first pressing clamp seat and a first pressing clamp head which are arranged on the left and right sides, the first pressing clamp head can move up and down on the guide rail, pressing clamp bolt through holes are vertically formed in the front side and the rear side of the guide rail on the vertical section of the fixed guide plate, the first pressing clamp head is installed on the first pressing clamp seat after penetrating through the pressing clamp bolt through holes through a pressing clamp bolt, the first pressing clamp seat is fixedly arranged on a pressing nut, the second pressing clamp comprises a second pressing clamp seat and a second pressing clamp head which is arranged on the right side face of the second pressing clamp seat through a bolt, and the second pressing clamp seat is arranged below the vertical section of the fixed guide plate.
Further preferably, the guide rail is a dovetail guide rail, and the first pressing jaw is provided with a dovetail groove corresponding to the dovetail guide rail.
Preferably, the transmission mechanism comprises a transmission case, a gear transmission mechanism is arranged in the transmission case, bearings are arranged between an output shaft and the transmission case and between an input shaft and the transmission case of the gear transmission mechanism, and mounting holes for connecting the corresponding driving mechanism or the pressing mechanism are formed in the output shaft and the input shaft after the output shaft and the input shaft correspondingly penetrate through the transmission case.
Further preferably, the driving mechanism is a hand-held direct current motor or a hand-held electric drill.
Preferably, a dust cover is arranged outside the transmission mechanism and the pressing mechanism.
Further preferably, set up the shoulder hole that is used for the built-in pipe installation in the connector, the shoulder hole sets up to big-end-up, the built-in pipe sets up to the ladder pipe, the big-end-up of built-in pipe is in the shoulder hole tip, and the external diameter of built-in pipe tip and the internal diameter interference fit of shoulder hole tip, be provided with the hole of placing that is used for placing the pipeline in the built-in pipe, place downthehole diameter and connecting hole internal diameter phase-match.
Further preferred, the connector sets gradually the card into the section, prevents moving back section and termination section outward from outside to inside, the card goes into the section and includes by outer first tapering section, first straight line section and the second tapering section that sets gradually in to, prevent moving back the section and set up to outer big-end-up little, the termination section includes by outer third tapering section and the second straightway that sets gradually in to, first tapering section, second tapering section and third tapering section all set up to outer little-end-up big-end-up, and the tapering of first tapering section, second tapering section and third tapering section reduces gradually, the external diameter of card income section all is less than the external diameter of preventing moving back the section, the external diameter of second straightway is greater than the external diameter of preventing moving back the section, be provided with the card hole in the snap ring, the card hole comprises the taper hole of both ends tapering difference, and when the joint is to the connector, the big one end joint of card hole tapering is on third tapering section, and the joint is in the position department joint of card hole tapering transition is on preventing moving back the section.
The invention has the beneficial effects that:
1) The connecting piece consists of an outer pipe, an inner pipe and a snap ring, the whole structure is simple, and the connecting piece can be used for the mutual connection of a plurality of pipelines such as two, three, four and the like by selecting the outer pipes with different shapes, such as a straight pipe, a bent pipe, a T-shaped pipe, a cross-shaped pipe and the like;
2) During press mounting, the driving mechanism is started, the first pressing clamp and the second pressing clamp move oppositely, so that press mounting can be completed, the whole press mounting process is simple to operate, and the requirement on operators is low;
3) Through the same press-fitting device, press-fitting between the pipeline connecting pieces and the pipeline can be realized, so that the arrangement of corresponding tools is reduced;
4) All adopt the pressure equipment to connect among the whole process, compare with among the prior art through welded connection, it is safe high-efficient more, also can not burn the gaseous pollutants that produces after, environmental protection more simultaneously.
Drawings
Fig. 1 is a schematic structural view of the press-fitting of the pipe and the joint according to the present invention.
Fig. 2 is a schematic structural diagram of a first embodiment of the pipe coupling according to the present invention.
Fig. 3 is a schematic structural view of a second embodiment of the pipe coupling according to the present invention.
Fig. 4 is a schematic structural view of a third embodiment of the pipe coupling according to the present invention.
Fig. 5 is a schematic structural view of a fourth embodiment of the pipe connector according to the present invention.
FIG. 6 is a schematic view of an outer tube of an embodiment of the pipe coupling of the present invention.
FIG. 7 is a schematic view of a snap ring of the present invention.
FIG. 8 is a schematic view of an inner catheter of the present invention.
Fig. 9 is a schematic structural view of the pressing device of the present invention.
Fig. 10 is a first perspective view of the pressing device of the present invention.
Fig. 11 is a second perspective view of the pressing device of the present invention.
Detailed Description
The invention is further illustrated by the following examples in combination with the accompanying drawings:
as shown in fig. 1-11, a method for connecting pipelines mainly comprises connecting two or more pipelines together through pipeline connectors, and pressing the pipeline connectors, the pipeline connectors and the pipelines by using pressing devices.
The pipeline connecting piece mainly comprises an outer pipe 14, an inner pipe 15 and a clamping ring 16, wherein at least two connectors 14a are arranged on the outer pipe 14, all the connectors 14a are communicated with each other through connecting holes 14b, the shapes of the connecting holes 14b are matched with those of the outer pipe 14, the inner pipe 15 used for placing a pipeline is mounted in each connector 14a in a pressure-equalizing mode, and each connector 14a is provided with the clamping ring 16 capable of being clamped on the connector 14 a.
In order to realize the connection between the connector and the inner tube, a stepped hole 14d for installing the inner tube 15 is arranged in the connector 14a, the stepped hole 14d is arranged to be large outside and small inside, namely the inner diameter of one end, close to the connecting hole 14a, of the stepped hole 14d is smaller than that of one end, far away from the connecting hole 14a, of the stepped hole 14d, meanwhile, the inner tube 15 is arranged to be a stepped tube, the large end of the inner tube 15 is clamped in the small end of the stepped hole 14d, and the outer diameter of the large end of the inner tube 15 is in interference fit with the inner diameter of the small end of the stepped hole 14d, so that the inner tube is prevented from being separated. A placing hole 15a for placing a pipe is formed in the inner tube 15, and the inner diameter of the placing hole 15a is matched with the inner diameter of the connecting hole 14b, so that there is no step between the inner tube and the connecting hole when sufficient strength is secured, thereby preventing the matter in the pipe from forming an outward pushing force to the inner tube.
Preferably, the stepped bore 14d is chamfered at the large end and the small end thereof, and at the small end and the large end thereof.
In order to ensure the connection between the connector and the snap ring and facilitate the snap ring to be pressed into the connector, a clamped-in section 14e, a withdrawal prevention section 14f and a termination section 14g are sequentially arranged outside the connector 14a from outside to inside, the clamped-in section 14e comprises a first taper section b, a first straight line section d and a second taper section e which are sequentially arranged from outside to inside, chamfer transition is adopted between the withdrawal prevention section 14f and the clamped-in section 14e and between the withdrawal prevention section 14f and the termination section 14g, the withdrawal prevention section 14f is set to be large outside and small inside, the termination section 14g comprises a third taper section f and a second straight line section g which are sequentially arranged from outside to inside, the first taper section b, the second taper section e and the third taper section f are set to be small outside and large inside, the tapers of the first taper section b, the second taper section e and the third taper section f are gradually reduced, the outer diameter of the clamped-in section 14e is smaller than the outer diameter of the withdrawal prevention section 14f, and the outer diameter of the second straight line section g is larger than the outer diameter of the withdrawal prevention section 14 f. The snap-in section 14e has a guiding function when the snap ring is pressed in, and compared with a single long taper section at one end, the structure of the snap-in section is easier for the snap ring to be more closely attached to the snap ring when the snap ring is pressed in. The anti-retreat section has the effect of preventing the snap ring from retreating after the snap ring is pressed into the connector, and meanwhile, the anti-retreat section has a certain guiding effect when the snap ring retreats from the connector under the action of large external force and the structure and the third taper section of the termination section are prevented from being damaged. The design of end section simultaneously for the snap ring is when impressing, and fastening force on its pipeline is just bigger along with the length of impressing more, makes the pipeline more difficult pine take off.
In order to facilitate the pressing of the clamping ring into the connecting head, a clamping hole 16a is formed in the clamping ring 16, the clamping hole 16a is formed by conical holes with different tapers at two ends, when the clamping ring is clamped onto the connecting head 14a, one end with a large taper of the clamping hole 16a is clamped onto the third taper section f, and the position of taper transition of the clamping hole 16a is clamped onto the anti-withdrawal section 14 f.
Preferably, when two connectors 14a are provided and the outer tube is a straight tube, the inner tubes 3 in the two connectors 14a are provided as a single body, which effectively ensures that the inner tubes are not separated from the outer tube due to the substance in the tube.
When the number of the connectors is two and the outer pipe is a straight pipe, the connecting piece can be used for the opposite connection of the two pipelines; when the number of the connectors is two and the outer pipe is set as a bent pipe, the connecting piece can be used for turning connection of the two pipelines; when the number of the connectors is three and the outer pipe is set to be a T-shaped pipe, the connecting piece can be used for T-shaped connection of the three pipelines; when the connectors are provided with four connectors and the outer pipe is set to be a cross-shaped pipe, the connecting piece can be used for cross connection of four pipelines.
The pressing device comprises a driving mechanism 11, a transmission mechanism and a pressing mechanism, wherein the driving mechanism 11 can drive the pressing mechanism to work through the transmission mechanism, so that the pressing work is realized. The pressing mechanism comprises a first pressing clamp 1 and a second pressing clamp 2 which are arranged up and down and used for placing a pipeline or a pipeline connecting piece, and the first pressing clamp 1 or the second pressing clamp 2 can be driven to move up and down through a transmission mechanism. In order to realize the pressing work, a mode that the first pressing pliers 1 and the second pressing pliers 2 can move can be adopted, at the moment, the moving directions of the first pressing pliers 1 and the second pressing pliers 2 are opposite, or the first pressing pliers 1 moves, the second pressing pliers 2 does not move, or the second pressing pliers 2 moves, and the first pressing pliers 1 does not move.
In this embodiment, the pressing mechanism adopts a mode that the first pressing clamp 1 moves and the second pressing clamp 2 does not move, specifically, the pressing mechanism further comprises a pressing screw rod 3, a pressing nut 4 is arranged on the pressing screw rod 3, the first pressing clamp 1 is arranged on the pressing nut 4, the lower end of the pressing screw rod 3 is arranged on the second pressing clamp 2 through a bearing, and the upper end of the pressing screw rod 3 is connected with an output shaft 9 of the transmission mechanism.
For the direction when realizing that first pressure pincers 1 reciprocate, be provided with the fixed deflector 6 that is "7" style of calligraphy below drive mechanism, the horizontal segment of fixed deflector 6 is passed downwards to housing screw 3, the vertical guide rail 6a that is provided with in the vertical section of fixed deflector 6, first pressure pincers 1 is including controlling first pressure pincers seat 1a and the first pressure pincers head 1b that sets up, and first pressure pincers head 1b can reciprocate on guide rail 6a, violate simultaneously the reciprocating of first pressure pincers in limit, both sides are vertical to be provided with pressure pincers bolt through-hole 6b around lieing in guide rail 6a on the vertical section of fixed deflector 6, first pressure pincers seat 1a sets firmly on gland nut 4, and install on first pressure pincers seat 1a after first pressure pincers head 1b passes pressure pincers bolt 6b through-hole through the pressure pincers bolt. For facilitating the fixing of the second press plier 2, the second press plier 2 comprises a second press plier seat 2a and a second press plier head 2b arranged on the right side surface of the second press plier seat 2a through a bolt, and the second press plier seat 2a is arranged below the vertical section of the fixed guide plate 6.
In order to ensure the accuracy of the movement of the first clamping jaw, the guide rail 6a is a dovetail guide rail, and a dovetail groove 1c corresponding to the dovetail guide rail is provided on the first clamping jaw head 1 b.
Because the screw thread can produce wearing and tearing to the spare part rather than being connected when the compression screw rotates, consequently be provided with the non-thread section on compression screw's the upper and lower both ends, thereby can effectively reduce the compression screw and rotate the wearing and tearing that cause rather than the spare part of being connected, and then increase of service life. In this embodiment, a connecting shaft sleeve 13 is disposed at the lower end of the pressing screw, a bearing is disposed between the connecting shaft sleeve and the second pressing jaw seat 2a, and the arrangement of the connecting shaft sleeve can facilitate adjustment of the distance between the first pressing jaw and the second pressing jaw corresponding to the distance between the corresponding pressing member and the pressed member when the pressing member is installed.
In order to prevent the compression screw from being worn by the threads when rotating, the threads can wear parts connected with the compression screw, a tapered hole which is large at the bottom and small at the top and is used for inserting the compression screw is also arranged in the output shaft 9, so that the upper end head of the compression screw is clamped in the tapered hole of the output shaft 9, a tapered hole which is large at the top and small at the bottom and is used for inserting the compression screw is arranged in the connecting shaft sleeve, the lower end head of the compression screw is clamped in the tapered hole of the connecting shaft sleeve 13, and a bearing is arranged between the connecting shaft sleeve 13 and the second pressing clamp seat 2 a.
When the structure of the second pressing pliers is the same as that of the first pressing pliers, two sections of threads with opposite rotating directions are arranged on the pressing screw rod, and the first pressing pliers and the second pressing pliers are correspondingly arranged on the threads respectively, so that the first pressing pliers and the second pressing pliers can move up and down and are opposite in moving direction. Set up to "L" type when fixed deflector 6, wherein first clamp seat 1a sets firmly on the right flank of the vertical section upper end of fixed deflector 6, and first clamp head 1b sets up on the right flank of first clamp seat 1a, and second clamp seat 2a sets firmly on gland nut, and second clamp head 2b passes through clamp bolt 7 and installs behind clamp bolt 6b through-hole at second clamp seat 2a, can realize first clamp at this moment and move, and second clamp removes.
The specific structure of the transmission mechanism comprises a transmission case 8, a gear transmission mechanism is arranged in the transmission case 8, bearings are arranged between an output shaft 9 of the gear transmission mechanism and the transmission case 8 and between an input shaft 10 of the gear transmission mechanism and the transmission case 8, and in order to facilitate connection of the driving mechanism and the pressing mechanism with the transmission mechanism, the output shaft 9 and the input shaft 10 are correspondingly provided with mounting holes a for connection of the driving mechanism 11 or the pressing mechanism after penetrating through the transmission case 8. In this embodiment, the gear transmission mechanism includes two bevel gears, and the two bevel gears are correspondingly inserted on the output shaft 9 and the input shaft 10.
For easy carrying and moving of the whole device, the driving mechanism 11 can be a hand-held dc motor or a hand-held electric drill.
In order to ensure the beauty and the integration of the whole device, a dust cover 12 is arranged outside the transmission mechanism and the pressing mechanism, the dust cover is fixedly arranged outside the transmission case and can cover the first clamp seat 1a and the second clamp seat 2a, a baffle 5 fixed on the dust cover 12 is also arranged below the second clamp seat 2a, and the baffle 5 is used for fixing the bearing.
In this embodiment, the first and second clamping heads 1b and 2b are each provided with a through hole for the pipe or the pipe being clamped on the pipe joint.
When in connection, the method specifically comprises the following steps:
in the first step, the inner tube 15 is press-fitted to the connector 14 a.
The second pressing pliers 2 are clamped into the clamping grooves 14c, the connecting heads are enabled to face upwards, then one end of the inner pipe is placed in the connecting heads, preferably, after the first pressing pliers 1 is moved downwards to abut against the first connection, the driving mechanism is started again, the first pressing pliers 1 is made to continue to move downwards, the inner pipe 15 is pressed into the connecting heads 14a, the operation is repeated, and the inner pipes 15 are installed in all the connecting heads 14a in a pressure-sharing mode.
And secondly, connecting the pipelines, clamping the second pressing pliers 2 into the outer pipe clamping groove 14c pressed with the inner pipe 15, enabling the connector 14a to face upwards, placing the clamping ring 16 on the connector 14a, enabling the notch 1c to penetrate through the corresponding pipeline, enabling the whole pressing device to be incapable of moving upwards, starting the driving mechanism, enabling the first pressing pliers 1 or the second pressing pliers 2 to move, enabling the connector 14a to be pressed into the clamping ring 16 to fix the pipeline in the connector 14a, and repeating the work until all the connectors 14a are fixedly provided with the pipelines.
Claims (9)
1. The pipeline connecting method is characterized by comprising a pipeline connecting piece and a pressing device, wherein the pipeline connecting piece comprises an outer pipe (14), at least two connectors (14 a) are arranged on the outer pipe (14), all the connectors (14 a) are communicated with each other through connecting holes (14 b), the shapes of the connecting holes (14 b) are matched with the shapes of the outer pipe (14), a built-in pipe (15) for placing a pipeline is arranged in each connector (14 a) in a pressure-equalizing mode, and each connector (14 a) is provided with a clamping ring (16) capable of being clamped on the connector (14 a);
the pressing device comprises a driving mechanism (11), a transmission mechanism and a pressing mechanism, wherein the driving mechanism (11) drives the pressing mechanism to work through the transmission mechanism, the pressing mechanism comprises a first pressing clamp (1) and a second pressing clamp (2) which are arranged up and down and used for placing a pipeline or a pipeline connecting piece, the first pressing clamp (1) or the second pressing clamp (2) can be driven by the transmission mechanism to move up and down, the moving directions of the first pressing clamp (1) and the second pressing clamp (2) are opposite, a clamping groove (14 c) which is convenient for the second pressing clamp (2) to clamp in is arranged at the position, corresponding to each connecting head (14 a), on the outer pipe (14), and a notch (1 c) for the pipeline to pass through is formed in the first pressing clamp (1);
further comprising the steps of: s1, press-fitting a built-in pipe (15) and a connector (14 a), so that a second pressing clamp (2) is clamped into a clamping groove (14 c) and the connector is enabled to face upwards, then placing one end of the built-in pipe into the connector, starting a driving mechanism again, moving the first pressing clamp (1) or the second pressing clamp (2), so that the built-in pipe (15) is pressed into the connector (14 a), repeating the work until the built-in pipes (15) are uniformly pressed in all the connectors (14 a);
s2, the pipeline is connected, the second pressing pliers (2) are clamped into the outer pipe clamping groove (14 c) with the built-in pipe (15) in a pressing mode, the connector (14 a) faces upwards, then the clamping ring (16) is placed on the connector (14 a), the notch (1 c) penetrates through the corresponding pipeline, the whole pressing device cannot move upwards, then the driving mechanism is started, the first pressing pliers (1) or the second pressing pliers (2) move, the connector (14 a) is pressed into the clamping ring (16) to achieve fixing of the pipeline in the connector (14 a), repeated work is conducted, and pipelines are fixedly installed in all the connectors (14 a).
2. The pipe connecting method according to claim 1, wherein: the pressing mechanism further comprises a pressing screw rod (3), a pressing nut (4) is arranged on the pressing screw rod (3), a first pressing clamp (1) is arranged on the pressing nut (4), the lower end of the pressing screw rod (3) is arranged on a second pressing clamp (2) through a bearing, and the upper end of the pressing screw rod (3) is connected with an output shaft (9) of the transmission mechanism.
3. The pipe connecting method according to claim 2, wherein: the hydraulic clamping device is characterized in that a fixed guide plate (6) in a 7-shaped shape is arranged below the transmission mechanism, the guide sleeve (5) penetrates through a horizontal section of the fixed guide plate (6) downwards, a guide rail (6 a) is vertically arranged on a vertical section of the fixed guide plate (6), the first clamping pincers (1) comprise a first clamping seat (1 a) and a first clamping head (1 b) which are arranged on the left and right sides, the first clamping head (1 b) can move up and down on the guide rail (6 a), clamping bolt through holes (6 b) are vertically arranged on the front side and the rear side of the guide rail (6 a) on the vertical section of the fixed guide plate (6), the first clamping head (1 b) penetrates through a clamping bolt (6 b) through a clamping bolt (7) and then is installed on the first clamping seat (1 a), the first clamping seat (1 a) is fixedly arranged on a clamping nut (4), the second clamping pincers (2) comprise a second clamping seat (2 a) and a second clamping seat (2 a) which is arranged on the right side of the second clamping seat (2 a), and the second clamping seat (6 a) is arranged below the fixed guide sleeve (2 b).
4. The pipe connecting method according to claim 3, wherein: the guide rail (6 a) is a dovetail guide rail, and a dovetail groove (1 c) corresponding to the dovetail guide rail is arranged on the first press jaw (1 b).
5. The pipe connecting method according to claim 1, wherein: the transmission mechanism comprises a transmission case (8), a gear transmission mechanism is arranged in the transmission case (8), bearings are arranged between an output shaft (9) and the transmission case (8) and between an input shaft (10) and the transmission case (8) of the gear transmission mechanism, and mounting holes (a) for connecting a corresponding driving mechanism (11) or a pressing mechanism are formed in the output shaft (9) and the input shaft (10) after the output shaft and the input shaft correspondingly penetrate through the transmission case (8).
6. The pipe connecting method according to claim 1, wherein: the driving mechanism (11) adopts a hand-held direct current motor or a hand-held electric drill.
7. The pipe connecting method according to claim 1, wherein: and dust covers (12) are arranged outside the transmission mechanism and the pressing mechanism.
8. The pipe connecting method according to claim 1, wherein: set up shoulder hole (14 d) that are used for inner tube (15) to install in connector (14 a), shoulder hole (14 d) set up to big outer little, inner tube (15) set up to the shoulder tube, inner tube (15) big end card is in shoulder hole (14 d) tip, and the external diameter of inner tube (15) tip and the internal diameter interference fit of shoulder hole (14 d) tip, be provided with hole (15 a) of placing that are used for placing the pipeline in inner tube (15), place hole (15 a) internal diameter and connecting hole (14 b) internal diameter phase-match.
9. The pipe connecting method according to claim 1, wherein: connector (14 a) is outer by outer in to set gradually into card income section (14 e), prevent moving back section (14 f) and termination section (14 g), card income section (14 e) includes by outer first tapering section (b), first straight line section (d) and second tapering section (e) that set gradually in to, prevent moving back section (14 f) and set up to outer big-end-up, termination section (14 g) includes by outer third tapering section (f) and second straightway (g) that set gradually in to, first tapering section (b), second tapering section (e) and third tapering section (f) all set up to outer little-end-up big-end-up, and the tapering of first tapering section (b), second tapering section (e) and third tapering section (f) reduces gradually, the external diameter of card income section (14 e) all is less than the external diameter of preventing moving back section (14 f), the external diameter of second tapering section (g) is greater than the external diameter that prevents moving back section (14 f), be provided with snap ring (16 a) in the tapering hole (16 a) and the joint is held by the joint on two tapering holes (16 a) tapering positions are 16 a) on the joint, 16a tapering hole is held to the joint, 16a tapering hole department is prevented moving back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN107842656A (en) * | 2017-12-01 | 2018-03-27 | 湖北科技学院 | A kind of adapter driving tool |
| CN107940129A (en) * | 2017-12-14 | 2018-04-20 | 珠海格力电器股份有限公司 | Pipeline connection structure and have its vehicle air conditioning system |
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| CN204062233U (en) * | 2014-09-18 | 2014-12-31 | 杭州温格暖通技术有限公司 | The cold connection set of a kind of pipeline |
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| CN115179009B (en) | 2024-05-17 |
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