CN103029094A - Pipeline connection replacer - Google Patents
Pipeline connection replacer Download PDFInfo
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- CN103029094A CN103029094A CN2012105067460A CN201210506746A CN103029094A CN 103029094 A CN103029094 A CN 103029094A CN 2012105067460 A CN2012105067460 A CN 2012105067460A CN 201210506746 A CN201210506746 A CN 201210506746A CN 103029094 A CN103029094 A CN 103029094A
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- ring assembly
- ratch
- clamp ring
- connecting portion
- gear
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Abstract
The invention discloses a pipeline connection replacer, which comprises a pair of movable joint assemblies and a pair of clamping ring assemblies, wherein the pair of movable joint assemblies is capable of changing the distance between the two ends; the movable joint assemblies comprise a first clamping ring assembly connecting part and a second clamping ring assembly connecting part, wherein the two clamping ring assemblies are respectively connected with the first clamping ring assembly connecting part and the second clamping ring assembly connecting part; the first clamping ring assembly connecting part and the second clamping ring assembly connecting part are connected by a tooth-engagement mechanism; and a force applying device for driving the first clamping ring assembly connecting part and the second clamping ring assembly connecting part to slip in a linear manner is arranged on the first clamping ring assembly connecting part. The pipeline connection replacer provided by the invention is used for amplifying the labor power at the terminal by a lever mechanism and the tooth-engagement mechanism to form large pipeline insertion-extraction force, so that the pipeline is easily inserted and extracted; an effect which is difficult to reach by manually inserting and extracting is obtained; the labor intensity is greatly reduced; and the working efficiency is improved.
Description
Technical field
The present invention relates to a kind of pipeline and install and extracting tool, in particular, it relates to a kind of pipeline and connects replacer.
Background technology
Extensively adopt at present plug-in type pipe interconnection technique in the building water supply and drainage field, namely at pipe end the interface that bore enlarges is set, in order to inserting another tubing, a plurality of tubing like this form the pipeline of all lengths by the root building sequence, and this connected mode has and connects quickly and easily remarkable advantage.Pipeline often can break because wearing out or leak after using for a long time, and must pull down the tubing that damages and change this moment.Conventional means is that the tubing that relies on manpower to change is extracted at present, yet the tubing after long-term the use, especially be installed in outdoor tubing because being subjected to the factor affecting such as illumination, temperature, pipeline fluid corrosivity, the physical behavior such as hardness, size can gradually change, so that very tight in conjunction with getting between the tubing that joins, tubing is long in addition and appearance is more smooth, staff is difficult to control, and pipeline is pressed close to metope or ground usually, even operating personnel people controls also inconvenience convolution of tubing, be difficult to firmly therefore when tearing pipe open, require great effort very much, and inefficiency.A kind of useful tool that makes things convenient for this kind plug-in type pipeline dismounting of necessary design for this reason, the labour intensity when tearing pipe open with reduction and increasing work efficiency.Publication number is that the utility model of CN202377983U discloses a kind of pvc pipe road erecting tools on August 15th, 2012, comprises trombone slide frame and two holding cards, and described trombone slide frame comprises the handle that links together and U-shaped; Described U-shaped end is connected with pawl and colludes plate; Described each holding card comprises holding card main body I and the holding card main body II that links together; A fixed axis has all been welded at the place in the middle of described holding card main body I and the described holding card main body II; U-shaped opening on described U-shaped snaps in the described fixed axis on one of them described holding card; Described pawl colludes pawl on the plate and colludes described fixed axis on another described holding card.The utility model is simple in structure, easy to carry, it is quick to use and it is effective to install, but this pvc pipe road erecting tools can only be seated tubing mutually, but can not be used for extracting tubing.
Summary of the invention
Fall behind in order to solve plug-in type pipeline method for dismounting, tear the pipe hard problem open, the invention provides a kind of energy and finish the pipeline connection replacer of tearing pipe open time saving and energy savingly.
Technical scheme of the present invention is: a kind of pipeline connects replacer, comprise a pair of active section assembly and a pair of clamp ring assembly that changes the two ends spacing, the active section assembly comprises the first clamp ring assembly connecting portion and the second clamp ring assembly connecting portion, two clamp ring assemblies link to each other with the second clamp ring assembly connecting portion with the first clamp ring assembly connecting portion respectively, the first clamp ring assembly connecting portion connects by the tooth engaging mechanism between clamp ring assembly connecting portion with being connected, and the first clamp ring assembly connecting portion is provided with the augmentor that drives the first clamp ring assembly connecting portion and the linear slippage of the second clamp ring assembly connecting portion intercropping.Two clamp ring assemblies are used for respectively holding tightly fixes two tubing that will separate, then apply active force at augmentor, work by the tooth engaging mechanism makes the first clamp ring assembly connecting portion and the mutual space out of the second clamp ring assembly connecting portion, and then two clamp ring assemblies are separated together with the tubing of being fixed separately.This pipeline connects replacer can hold tubing reliably tightly, and the mechanism kinematic amplitude is little, do not need too large operating space, solved manpower and be difficult to firmly to control tubing and be subjected to pipeline installing space limitation to be difficult to firmly these two difficult problems, thereby can conveniently tear widely the pipe operation open.
As preferably, described the first clamp ring assembly connecting portion comprises buckle, a pair of ratch block set, active section and gear, buckle is connected with a clamp ring assembly, the ratch block set is connected on the buckle, active section is connected between the two ratch block sets, gear is rotatably connected on the active section, described the second clamp ring assembly connecting portion comprises ratch and connector, ratch is in two ratch block sets and active section, connector is fixedly arranged on the ratch end and is connected with another clamp ring assembly, described augmentor is a rocking bar, and rocking bar is articulated on the active section, and rocking bar is provided with the gear torque input mechanism.Be subjected to the restriction of ratch block set, active section and even the gear relative position on buckle is fixed, and ratch can be done axially-movable along the determined path of ratch block set simultaneously.When swinging rocking bar, rocking bar makes gear produce moment of torsion by the gear torque input mechanism, and then the tooth of gear promotes the tooth on the ratch, the circumferential torsion of gear is become axial horizontal sliding power to ratch, make ratch move axially or produce the trend of moving axially with respect to gear, just mutually close or deviate from the clamp ring assembly that links to each other separately with the fixing buckle of gear and ratch relative position and connector respectively, or the trend of generation spacing variation, like this between the tubing held tightly of each clamp ring assembly also just can near or deviate from, or the trend that produces near or deviate from, thereby reach the purpose that is seated between tubing or extracts.Because rocking bar and hinged formation one lever of active section, when being delivered to gear end and becoming gear torsion force, manpower can be exaggerated, therefore it is obviously much laborsaving than direct manpower plug to use this pipeline to connect replacer dismounting tubing, can easily finish the work that tubing is seated or extracts.
As preferably, described gear torque input mechanism comprise be located at the rocking bar end and can with the shift fork of gear hook.Shift fork is used for handsetting gear, and when swinging rocking bar, people's torsion can be applied on the gear by shift fork, is transformed into the torsion of gear like this.
As preferably, the cross section of ratch is circular, and the shaft of ratch is provided with the annular projection tooth that axially parallel is arranged.The cross section is that circular ratch is more convenient with the gear engagement, in 360 ° of scopes tooth is arranged around the ratch, and gear can be engaged with and without position limitation the optional position on every side at ratch.
As preferably, active section comprises pipe box and a pair of connecting plate, the pipe box wall at pipe box two ends is closed, the pipe box wall at all the other positions is provided with semi-open mouthful, and the connecting plate symmetry is fixedly arranged on described semi-open mouthful of both sides, and pipe box is arranged in the ratch block set and is socketed on the ratch, connecting plate is triangular in shape, the connecting portion of connecting plate two ends and pipe box is provided with otch, and connecting plate is provided with for the shaft hole that gear is installed, and is located at described semi-open mouthful of both sides two connecting plate Parallel Symmetrics.The active section of this kind structure has fixed gear, limits the function of ratch, and keeps relative position roughly fixing with buckle, thereby plays the effect that transition is accepted between the first clamp ring assembly connecting portion and the second clamp ring assembly connecting portion.
As preferably, the end of rocking bar is provided with the U-shaped connector, and gear and shift fork all are arranged in the U-shaped opening of U-shaped connector.The U-shaped connector both had been convenient to shift fork stable equilibrium ground installation on rocking bar, can play certain protective role to gear and shift fork again, made gear and shift fork directly exposed to the outside, thereby reduced interference and the impact of external object.
As preferably, the shift fork front end is provided with a pair of gib head, and shift fork is rotatably connected on the rocking bar.Two gib heads collude song towards different directions respectively, then the tooth that can be used for respectively hooking gear is stirred to different directions under the driving of rocking bar, gear is rotated to different directions, so not only can further the first clamp ring assembly connecting portion with the second clamp ring assembly connecting portion but also they are separated, as long as swing rocking bar to different directions, just can be seated tubing or extract tubing when therefore using.Shift fork can rotate around bearing pin, thereby the visual needs that are seated or extract make gib head wedge and withdraw from the between cog of gear with suitable angle.
As preferably, be provided with rotating shaft in the described shaft hole, gear and rocking bar all are located in this rotating shaft.Gear and rocking bar share rotating shaft, can reduce the parts pin joint, make this pipeline connect the replacer more compact structure, and process and assemble is more convenient.
As preferably, the front end of ratch is provided with block.The size of block can be blocked ratch block set mouth greater than the face size of ratch, can avoid ratch to dislocate from the ratch block set when this pipeline connection replacer is taken or deposited, and again puts into again when causing using, and increases trouble.
As preferably, connector is tabular, is provided with the transition inclined-plane between connector and ratch.When flat connector is connected with the clamp ring assembly, be more convenient for fitting with the connecting portion of clamp ring assembly, keep stablizing stressed, connector and transition inclined-plane between ratch can reduce that stress is concentrated and the interference when connector is connected with the clamp ring assembly.
The invention has the beneficial effects as follows:
Greatly make things convenient for the dismounting of pipeline.The present invention can amplify manpower by leverage and tooth engaging mechanism in terminal, form larger pipeline pulling-inserting force, easily finishes the pipeline plug, obtains the unapproachable effect of direct manpower plug, thereby greatly reduces labour intensity, increases work efficiency.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is a kind of structural representation of active section assembly among the present invention;
Fig. 3 is the another kind of structural representation of active section assembly among the present invention;
Fig. 4 is a kind of structural representation of shift fork among the present invention;
Fig. 5 is a kind of structural representation of active section among the present invention;
Fig. 6 is a kind of structural representation of ratch among the present invention;
Fig. 7 is the structural representation of active section assembly in embodiment 2 among the present invention.
Among the figure, 1-buckle, 2-ratch block set, 3-ratch, the 4-gear, 5-connector, 6-active section, the 7-rocking bar, 8-shift fork, 9-block, the 10-pipe box, 11-connecting plate, 12-U shape connector, the 13-gib head, 14-torsion output gear, 15-pin-and-hole, the upper clamp ring assembly of 16-, 17-lower clamping assembly, 18-electric wrench.
The specific embodiment
The invention will be further described below in conjunction with the accompanying drawing specific embodiment.
Embodiment 1:
Such as Fig. 1, Fig. 2, shown in Figure 3, a kind of pipeline connects replacer, comprises that a pair of active section assembly of two ends spacing, upper clamp ring assembly 16 and lower clamping assembly 17, the two active section assemblies of changing are divided into clamp ring assembly both sides, with clamp ring assembly center three point on a straight line.The active section assembly comprises the first clamp ring assembly connecting portion and the second clamp ring assembly connecting portion, two clamp ring assemblies link to each other with the second clamp ring assembly connecting portion with the first clamp ring assembly connecting portion respectively up and down, the first clamp ring assembly connecting portion connects by the tooth engaging mechanism between clamp ring assembly connecting portion with being connected, and the first clamp ring assembly connecting portion is provided with the augmentor that drives the first clamp ring assembly connecting portion and the linear slippage of the second clamp ring assembly connecting portion intercropping.Described the first clamp ring assembly connecting portion comprises buckle 1, a pair of ratch block set 2, active section 6 and gear 4, buckle 1 is provided with two bolts hole near the top, buckle 1 and the clamp ring assembly that occupies are bolted, ratch block set 2 is provided with the current hole of circular ratch, ratch block set 2 is connected on the buckle 1 by bolt, active section 6 is connected between the two ratch block sets 2, gear 4 is rotatably connected on the active section 6, described the second clamp ring assembly connecting portion comprises ratch 3 and connector 5, ratch 3 is in two ratch block sets 2 and active section 6, connector 5 is fixedly arranged on ratch 3 ends and is connected with another clamp ring assembly, described augmentor is a rocking bar 7, rocking bar 7 is articulated on the active section 6, and rocking bar 7 is provided with the gear torque input mechanism.Active section 6 comprises pipe box 10 and a pair of connecting plate 11, the pipe box wall at pipe box 10 two ends is closed, the pipe box wall at all the other positions is provided with semi-open mouthful, be located at described semi-open mouthful of both sides two connecting plates, 11 Parallel Symmetrics, as shown in Figure 5, pipe box 10 and connecting plate 11 structure that is formed in one, the current hole of the ratch of pipe box 10 two ends external diameters and ratch block set 2 internal diameter is adaptive and be arranged in the current hole of ratch, pipe box 10 also is socketed on the ratch 3 simultaneously, the cross section of ratch 3 is circular, the shaft of ratch 3 is provided with the annular projection tooth that axially parallel is arranged, and as shown in Figure 6, the maximum outside diameter of ratch 3 and pipe box 10 internal diameters are adaptive.Connecting plate 11 is triangular in shape, the connecting portion of connecting plate 11 two ends and pipe box 10 is provided with otch, the otch section is straight, the planar end of otch section and ratch block set 2 is close to, make the connecting plate 11 can be by firmly by two ratch block set 2 axial limitings, connecting plate 11 is provided with for the shaft hole that gear 4 is installed, and is provided with rotating shaft in the described shaft hole, and gear 4 and rocking bar 7 all are connected in this rotating shaft.Described gear torque input mechanism comprises a shift fork 8, shift fork 8 front ends are provided with separation a pair of gib head 13 up and down, two gib heads 13 are encircled and are formed an inner recess, gib head 13 outsides are provided with chamfering, when being convenient to change the rocking bar swaying direction shift fork 8 swimmingly two between cog from the gear 4 spin off, shift fork 8 middle parts are provided with a pin-and-hole 15, as shown in Figure 4, be provided with in the pin-and-hole 15 one with the bearing pin of rocking bar 7 company of wearing, shift fork 8 and rocking bar 7 formation are rotationally connected.The end of rocking bar 7 is provided with U-shaped connector 12, U-shaped connector 12 has the linking arm of two symmetries to consist of, connecting plate 11, gear 4 and shift fork 8 all are arranged in the U-shaped opening of U-shaped connector 12, again between two connecting plates 11, the public rotating shaft two ends of gear 4 and rocking bar 7 are rotatably connected on respectively on two linking arms of U-shaped connector 12, also be arranged with pair of holes on described two linking arms, the two ends of the described bearing pin of confession are the company of wearing respectively.The front end of ratch 3 is provided with columniform block 9, and the diameter of block 9 is greater than the aperture of ratch block set 2.Connector 5 is tabular, on establish the waist hole, in described waist hole, be provided with bolt, connector 5 and the clamp ring assembly that is positioned at the below are coupled together, 3 of connector 5 and ratch are provided with the transition inclined-plane.
When using this pipeline to connect replacer dismounting pipeline, as tighter getting continuously, two tubing that manpower is difficult to separately separate, two clamp ring assemblies are held respectively the tubing that will pull down and the pipeline that will keep tightly about in the of first, the gib head 13 that is positioned at the top of switch shift fork 8 lifts a little on the other hand, simultaneously another hand is cooperating rocking bar 7 is a little up being pushed away, make this gib head 13 wedge two between cog in a position slightly on the upper side of gear 4, let go immediately rocking bar 7 or slightly firmly rocking bar 7 is down pulled, make rocking bar 7 under Gravitative Loads, or drive shift fork 8 hooks gear 4 under the slight downforce effect by this gib head 13 tooth and tensioning, but this moment is owing to adhesion between stronger tubing is not overcome yet, so gear 4 temporarily can not rotate, 4 of shift fork 8 and gears are because keeping tensioning state can not break off relations, then two hands are pulled rocking bar 7 downwards with larger power simultaneously, rocking bar 7 drives 8 pairs of gears 4 of shift fork and applies moment of torsion, this moment of torsion is enough to make gear 4 to rotate, and then ratch 3 is upwards moved axially by gear 4 drivings, like this between the first clamp ring assembly connecting portion at the second clamp ring assembly connecting portion at ratch 3 places and gear 4 places, and even the distance of two clamp ring inter-modules is pulled open up and down, thereby the tubing that will pull down is pulled out from the pipeline that will keep, because the power amplification of leverage, the manpower that is applied on the rocking bar 7 changes into stronger torsion at gear 4, and then change propulsive force to ratch 3 into, therefore can easily from pipeline, extract tubing, finish the work that only is difficult to finish with manpower.Otherwise, the gib head 13 that is positioned at the below on the shift fork 8 is hooked on the gear 4 the on the lower side tooth of position, then upwards pull 7 of rocking bars and can make grafting close and firm more between tubing.
Embodiment 2:
As shown in Figure 7, described augmentor comprise electric wrench 18 and and be connected in torsion output gear 14 on this electric wrench output shaft, the output shaft of electric wrench 18 passes the axle center of torsion output gear 14, torsion output gear 14 and gear 4 engagements, also be provided with a circular hole on the connecting plate 11 and be used for fixedly electric wrench 18, make the output shaft of electric wrench 18 and the rotating shaft keeping parallelism of gear 4.Electric wrench 18 and torsion output gear 14 are two, are located at respectively on two described active section assemblies.All the other are with embodiment 1.
Embodiment 3:
The cross section of ratch 3 is rectangle, and ratch 3 only one side has tooth, and correspondingly, the current hole of the ratch of ratch block set 2 and pipe box 10 cross sections also are rectangle.All the other are with embodiment 1.
Claims (10)
1. a pipeline connects replacer, it is characterized in that comprising a pair of active section assembly and a pair of clamp ring assembly that changes the two ends spacing, the active section assembly comprises the first clamp ring assembly connecting portion and the second clamp ring assembly connecting portion, two clamp ring assemblies link to each other with the second clamp ring assembly connecting portion with the first clamp ring assembly connecting portion respectively, the first clamp ring assembly connecting portion connects by the tooth engaging mechanism between clamp ring assembly connecting portion with being connected, and the first clamp ring assembly connecting portion is provided with the augmentor that drives the first clamp ring assembly connecting portion and the linear slippage of the second clamp ring assembly connecting portion intercropping.
2. pipeline according to claim 1 connects replacer, it is characterized in that described the first clamp ring assembly connecting portion comprises buckle (1), a pair of ratch block set (2), active section (6) and gear (4), buckle (1) is connected with a clamp ring assembly, ratch block set (2) is connected on the buckle (1), active section (6) is connected between the two ratch block sets (2), gear (4) is rotatably connected on the active section (6), described the second clamp ring assembly connecting portion comprises ratch (3) and connector (5), ratch (3) is in two ratch block sets (2) and active section (6), connector (5) is fixedly arranged on ratch (3) end and is connected with another clamp ring assembly, described augmentor is a rocking bar (7), rocking bar (7) is articulated on the active section (6), and rocking bar (7) is provided with the gear torque input mechanism.
3. pipeline according to claim 2 connects replacer, it is characterized in that described gear torque input mechanism comprise be located at rocking bar (7) end and can with the shift fork (8) of gear (4) hook.
4. pipeline according to claim 2 connects replacer, it is characterized in that the cross section of ratch (3) for circular, and the shaft of ratch (3) is provided with the annular projection tooth that axially parallel is arranged.
5. connect replacer according to claim or 2 described pipelines, it is characterized in that active section (6) comprises pipe box (10) and a pair of connecting plate (11), the pipe box wall at pipe box (10) two ends is closed, the pipe box wall at all the other positions is provided with semi-open mouthful, connecting plate (11) symmetry is fixedly arranged on described semi-open mouthful of both sides, pipe box (10) is arranged in the ratch block set (2) and is socketed on the ratch (3), connecting plate (11) is triangular in shape, the connecting portion of connecting plate (11) two ends and pipe box (10) is provided with otch, connecting plate (11) is provided with for the shaft hole that gear (4) is installed, and is located at described semi-open mouthful of both sides two connecting plates (11) Parallel Symmetric.
6. pipeline according to claim 2 connects replacer, it is characterized in that the end of rocking bar (7) is provided with U-shaped connector (12), and gear (4) and shift fork (8) all are arranged in the U-shaped opening of U-shaped connector (12).
7. connect replacer according to claim or 2 or 3 or 4 or 5 or 6 described pipelines, it is characterized in that shift fork (8) front end is provided with a pair of gib head (13), shift fork (8) is rotatably connected on the rocking bar (7).
8. pipeline according to claim 5 connects replacer, it is characterized in that being provided with rotating shaft in the described shaft hole, and gear (4) and rocking bar (7) all are located in this rotating shaft.
According to claim 2 or 3 or 4 or 5 or 6 or 8 described pipelines connect replacers, it is characterized in that the front end of ratch (3) is provided with block (9).
According to claim 2 or 3 or 4 or 5 or 6 or 8 described pipelines connect replacers, it is characterized in that connector (5) is tabular, be provided with the transition inclined-plane between connector (5) and ratch (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210506746.0A CN103029094B (en) | 2012-11-29 | 2012-11-29 | Pipeline connection replacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210506746.0A CN103029094B (en) | 2012-11-29 | 2012-11-29 | Pipeline connection replacer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103029094A true CN103029094A (en) | 2013-04-10 |
| CN103029094B CN103029094B (en) | 2015-04-01 |
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ID=48016755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210506746.0A Active CN103029094B (en) | 2012-11-29 | 2012-11-29 | Pipeline connection replacer |
Country Status (1)
| Country | Link |
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| CN (1) | CN103029094B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659715A (en) * | 2013-12-10 | 2014-03-26 | 山东科技大学 | Hose pipe connecting mechanical arm |
| CN103753486A (en) * | 2014-01-09 | 2014-04-30 | 上海交通大学 | Pipe withdrawing tongs |
| CN104048121A (en) * | 2014-06-25 | 2014-09-17 | 四川辉利达塑胶科技有限公司 | Pipe connector |
| CN106808407A (en) * | 2015-11-30 | 2017-06-09 | 沈阳富瑞思特环保科技有限公司 | Groove-shaped connecting line rubber ring assembler and its application method |
| CN108621079A (en) * | 2018-05-23 | 2018-10-09 | 贾小红 | A kind of petroleum pipeline disassemblerassembler that labour can be saved for petroleum transportation |
| CN109435154A (en) * | 2018-10-11 | 2019-03-08 | 邹志琼 | A kind of mold oil connection auxiliary replacer |
| CN110561324A (en) * | 2019-07-24 | 2019-12-13 | 长沙师范学院 | A erection equipment for piano truckle |
| CN110614607A (en) * | 2019-10-16 | 2019-12-27 | 国网河南省电力公司济源供电公司 | Elbow type head assembly and disassembly tools |
| CN113021257A (en) * | 2021-03-04 | 2021-06-25 | 秦钱军 | Head mechanism of nondestructive hydraulic pipe dismounting device |
| CN113878528A (en) * | 2021-09-10 | 2022-01-04 | 广州飞机维修工程有限公司 | Aircraft wire harness pipe joint dismounting device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659715B (en) * | 2013-12-10 | 2018-07-10 | 山东科技大学 | Hoseline connects manipulator |
| CN103659715A (en) * | 2013-12-10 | 2014-03-26 | 山东科技大学 | Hose pipe connecting mechanical arm |
| CN103753486A (en) * | 2014-01-09 | 2014-04-30 | 上海交通大学 | Pipe withdrawing tongs |
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| CN106808407B (en) * | 2015-11-30 | 2019-06-28 | 沈阳金利洁环保科技股份有限公司 | Groove-shaped connecting line rubber ring assembler and its application method |
| CN106808407A (en) * | 2015-11-30 | 2017-06-09 | 沈阳富瑞思特环保科技有限公司 | Groove-shaped connecting line rubber ring assembler and its application method |
| CN108621079A (en) * | 2018-05-23 | 2018-10-09 | 贾小红 | A kind of petroleum pipeline disassemblerassembler that labour can be saved for petroleum transportation |
| CN109435154A (en) * | 2018-10-11 | 2019-03-08 | 邹志琼 | A kind of mold oil connection auxiliary replacer |
| CN109435154B (en) * | 2018-10-11 | 2020-10-16 | 浙江蓝域智能科技有限公司 | Auxiliary dismounting device for oil pipe joint of mold |
| CN110561324A (en) * | 2019-07-24 | 2019-12-13 | 长沙师范学院 | A erection equipment for piano truckle |
| CN110614607A (en) * | 2019-10-16 | 2019-12-27 | 国网河南省电力公司济源供电公司 | Elbow type head assembly and disassembly tools |
| CN110614607B (en) * | 2019-10-16 | 2024-05-17 | 国网河南省电力公司济源供电公司 | Elbow type head dismounting tool |
| CN113021257A (en) * | 2021-03-04 | 2021-06-25 | 秦钱军 | Head mechanism of nondestructive hydraulic pipe dismounting device |
| CN113878528A (en) * | 2021-09-10 | 2022-01-04 | 广州飞机维修工程有限公司 | Aircraft wire harness pipe joint dismounting device |
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|---|---|
| CN103029094B (en) | 2015-04-01 |
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