CN204109713U - For connecting the derrick rig of two joint car bodies and split run-through channel - Google Patents
For connecting the derrick rig of two joint car bodies and split run-through channel Download PDFInfo
- Publication number
- CN204109713U CN204109713U CN201420474244.9U CN201420474244U CN204109713U CN 204109713 U CN204109713 U CN 204109713U CN 201420474244 U CN201420474244 U CN 201420474244U CN 204109713 U CN204109713 U CN 204109713U
- Authority
- CN
- China
- Prior art keywords
- runner assembly
- connection block
- channel
- fixed
- coupling assembling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000008878 coupling Effects 0.000 claims abstract description 42
- 238000010168 coupling process Methods 0.000 claims abstract description 42
- 238000005859 coupling reaction Methods 0.000 claims abstract description 42
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 13
- 230000006870 function Effects 0.000 description 11
- 239000011435 rock Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000011176 pooling Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Pivots And Pivotal Connections (AREA)
Abstract
The utility model discloses a kind of derrick rig for connecting two joint car bodies and split run-through channel, comprise two runner assemblies saving car body with two and be connected, each runner assembly comprises the fixed end base be fixed on corresponding car body, and is hinged on the turning end seat that fixed end base also can rotate relative to fixed end base; Two retractable rods be connected respectively with the turning end seat of runner assembly; And by the coupling assembling that two retractable rods connect together, coupling assembling comprises two axial Connection Blocks, and be connected with axial Connection Block and be fixed on the radial Connection Block on split run-through channel.Wherein, retractable rod comprises can the inner and outer tubes of relative sliding, and in interior pipe, be provided with spring, the two ends of spring are fixedly connected with the axial Connection Block of coupling assembling respectively with the turning end seat of runner assembly respectively.The utility model can realize the centering limit function to two joint car bodies and run-through channel well, and by the shape control of run-through channel within the specific limits.
Description
Technical field
The utility model relates to a kind of derrick rig, particularly a kind of derrick rig for connecting two joint car bodies and split run-through channel.
Background technology
Hitch is mainly adopted to connect to the mode that the car body of vehicle connects at present, when utilizing hitch to connect car body in conventional truck, hitch is positioned at the outside of run-through channel, and it is spacing to carry out centering by the supporting seat on hitch to two joint car bodies, is controlled the distortion of run-through channel by inner strand and spring simultaneously.Hitch connects the connection be mainly applicable between traditional car body, and novel articulated structure is included in the inside of run-through channel, and therefore traditional hitch connects and is not suitable for and connects the car body of novel hinge formula vehicle.
For above-mentioned technology Problems existing, the utility model aims to provide a kind of derrick rig for connecting two joint car bodies and split run-through channel, can realize saving connection between car body to novel hinge formula vehicle two, can realize well after connection to two joint car bodies and run-through channel in and limit function, simultaneously within the specific limits by the shape control of run-through channel.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of derrick rig being applicable to novel hinge formula vehicle and connecting two joint car bodies and split run-through channel, this derrick rig can ensure well while connection two saves car body and split run-through channel its in and limit function, and can by the shape control of run-through channel within the specific limits.
According to a kind of derrick rig for connecting two joint car bodies and split run-through channel that the utility model provides, comprise two runner assemblies saving car body respectively with two and be connected, each runner assembly comprises the fixed end base that is fixed on corresponding car body and to be hinged on fixed end base and the turning end seat that can rotate relative to fixed end base; Two retractable rods be connected respectively with the turning end seat of runner assembly; And by the coupling assembling that two retractable rods connect together, coupling assembling is comprised two axial Connection Blocks be linked together by intermediate pin and to be connected with axial Connection Block with one and to be fixed on the radial Connection Block on split run-through channel.Wherein, retractable rod comprises can the inner and outer tubes of relative sliding, be provided with spring, and the two ends of spring are fixedly connected with respectively respectively in interior pipe with the axial Connection Block of coupling assembling with the turning end seat of runner assembly.
According to the utility model, because spring self has drive and reset function, there is deformation under external force in the spring in retractable rod, when external force changes, the state of spring also changes thereupon, now the elastic potential energy of spring and kinetic energy occur mutually to transform, the adjustment to car body and split run-through channel relative position can being completed, thus control the deformation of split run-through channel preferably, the deformation of split run-through channel can be controlled within the specific limits by using the spring of varying strength and rigidity.In addition, spring also has pooling feature, the therefore setting of the spring collision that two also can be prevented when contingency occurs to save car body, and reduces the noise produced when car body rocks.And the axial Connection Block arranged in coupling assembling is connected with car body with runner assembly by retractable rod, radial Connection Block is connected with the middle boxes of split run-through channel, when two joint car bodies occur relatively to rock, sit up straight with under the combined action of the three-dimensional Connection Block in coupling assembling in rotation, reach to car body and split run-through channel to the spacing requirement of neutralization.
In certain embodiments, the axial coupling end seat being rotationally connected seat and coupling assembling of runner assembly all has the projection extended vertically, and projection is fixedly connected with the two ends of spring respectively.The projection of such setting can reach good fixed effect, simultaneously also can fixing spring more simply and easily.
In certain embodiments, the force value scope of spring is between 500N to 1500N.When spring generation deformation, pulling force or pressure that this force value scope is enough to that spring is born connection two saves car body.And, can not stable because of the intensity of spring or its switching performance of stiffness effect when the deformation of controlling and adjustment run-through channel
In certain embodiments, retractable rod also comprises telescopic sealing cover, and telescopic sealing cover is at one end fixed with the seat that is rotationally connected of runner assembly by snap ring, and fixes at the outside face of the other end and outer tube.Arranging of telescopic sealing cover ensures the interior relative position with outer tube of managing on the one hand, when making this for connecting the telescopic boom device busy of two joint car bodies and split run-through channel, interior pipe in its retractable rod and outer tube are unlikely to throw off and affect and be connected, a good sealed environment can be provided for the spring be arranged in interior pipe on the other hand, while ensureing the work efficiency of spring, also improve the service life of spring.
In certain embodiments, radial Connection Block is fixed on the end of intermediate pin, and radial Connection Block is connected with being fixed by bearing between intermediate pin.By arranging radial coupling end seat, and radial Connection Block is fixed with the intermediate beam of split run-through channel be connected, the connection of two joint car bodies and split run-through channel can be made more firm.Meanwhile, the deformation being set to control split run-through channel of radial Connection Block provides the fulcrum of a centering application force, thus adjusts the carrying out of run-through channel and car body, realizes the alignment function of this telescopic boom device.
In certain embodiments, one end of the interior pipe of retractable rod is fixedly connected with the turning end seat of runner assembly, the other end with can cooperatively interact relative to the outer tube of the retractable rod of described interior pipe generation relative sliding, and the outer tube of retractable rod is fixedly connected with the axial coupling end seat of coupling assembling.Such setting can make the inner and outer tubes of retractable rod under the drive of the axial coupling end seat of the turning end seat of runner assembly and coupling assembling, realize the Telescopic of retractable rod respectively, preferably, is fixed by being threaded at coupling end.Be threaded and can the installation of retractable rod and runner assembly, retractable rod and coupling assembling made more convenient while reaching good connection effect.
In certain embodiments, the fixed end base of runner assembly is connected by oscillating bearing with the turning end seat of assembly.Fixed end base and turning end seat are undertaken by oscillating bearing being connected the rotation that can realize turning end seat, and make rotation more flexible, assisting the telescopic boom device for connecting two joint car bodies and split run-through channel to realize alignment function with this, reaching the position-limiting action to car body.In addition, the setting of oscillating bearing can also reduce fixed end base and the wearing and tearing of turning end seat in junction in runner assembly, improves the service life of runner assembly.
In certain embodiments, oscillating bearing is fixed on the inside of runner assembly by back-up ring.Oscillating bearing can be prevented like this at the play of runner assembly inside.
In certain embodiments, coupling assembling also comprises in order to the locking piece of lock shaft to Connection Block and radial Connection Block, and runner assembly also comprises the jam nut being arranged on end part of pin shaft.The setting of the locking piece in coupling assembling makes the connection of axial Connection Block and radial Connection Block more firm, avoids rocking or coming off of each Connection Block.Jam nut in runner assembly makes the inner structure of runner assembly compacter more stable, thus ensure that the serviceability of turning end seat, can work more flexibly, when stressed larger be unlikely to depart from fixed end base.
In certain embodiments, radial Connection Block is connected with the middle boxes of split run-through channel.Radial Connection Block is connected with the middle boxes of split run-through channel, simultaneously axial Connection Block saves car body by retractable rod with runner assembly and two and is connected, when car body shakes, under the effect of radial Connection Block, the position of the car body relatively rocked is adjusted, reach the effect of controlling distortion.Meanwhile, arranging of radial Connection Block plays a buffer action to connection, avoids this lazyboy when transient force effect to rupture.In addition, such connection mode also can reduce longitudinal force when vehicle travels, thus improves the stationarity of vehicle operating.
Accompanying drawing explanation
Also will be described in more detail the utility model with reference to accompanying drawing based on embodiment hereinafter.Wherein:
Fig. 1 is the structural representation of the derrick rig for connecting two joint car bodies and split run-through channel;
Fig. 2 is the cutaway view of runner assembly in the derrick rig for connecting two joint car bodies and split run-through channel;
Fig. 3 is the cutaway view of retractable rod in the derrick rig for connecting two joint car bodies and split run-through channel;
Fig. 4 is the cutaway view of coupling assembling in the derrick rig for connecting two joint car bodies and split run-through channel.
In the accompanying drawings, identical parts use identical Reference numeral.Accompanying drawing is not according to the ratio of reality.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Details described here is exemplary, and is only used for carrying out illustrative discussion to embodiment of the present utility model, and their existence is to provide the most useful and the most intelligible description be considered to principle of the present utility model and concept aspect.About this point, here do not attempt introduction CONSTRUCTED SPECIFICATION of the present utility model being exceeded to the degree needed for basic comprehension the utility model, those skilled in the art can be expressly understood by specification sheets and accompanying drawing thereof and implement several form of the present utility model how in practice.
Fig. 1 shows the structural representation of the derrick rig 100 for connecting two joint car bodies and split run-through channel.As shown in the figure, this derrick rig 100 comprises two runner assemblies 30 saving car body respectively with two and be connected, the retractable rod 50 be connected with runner assembly 30 respectively, and the coupling assembling 80 connected together by two retractable rods 50.Runner assembly 30 (as shown in Figure 2) comprises the fixed end base 31 that is fixed on corresponding car body and to be hinged on fixed end base 31 and the turning end seat 32 that can rotate relative to fixed end base 31.Retractable rod 50 (as shown in Figure 3) comprises can the interior pipe 51 of relative sliding and outer tube 52, in interior pipe 51, be provided with spring 54, and the two ends of spring 54 are fixedly connected with the axial Connection Block 82 of coupling assembling 80 respectively with the turning end seat 32 of runner assembly 30 respectively.Coupling assembling 80 (as shown in Figure 4) comprises two axial Connection Blocks 81 linked together by intermediate pin 84, and is connected with axial Connection Block 81 and is fixed on the radial Connection Block 82 on split run-through channel.
According to the utility model, because spring 54 self has drive and reset function, there is deformation under external force in the spring 54 in retractable rod 50, when external force changes, the state of spring 54 also changes thereupon, now the elastic potential energy of spring 54 and kinetic energy occur mutually to transform, the adjustment to car body and split run-through channel relative position can be completed, thus control the deformation of split run-through channel preferably, the deformation of split run-through channel can be controlled within the specific limits by using the spring 54 of varying strength and rigidity.In addition, spring 54 also has pooling feature, the therefore setting of spring 54 collision that two also can be prevented when contingency occurs to save car body, and reduces the noise produced when car body rocks.And the axial Connection Block 81 arranged in coupling assembling 80 is connected with car body with runner assembly 30 by retractable rod 50, radial Connection Block 82 is connected with the middle boxes of split run-through channel, when two joint car bodies occur relatively to rock, sit up straight 32 with under the combined action of the three-dimensional Connection Block in coupling assembling 80 rotating, complete to car body and split run-through channel in and position-limiting action.
Preferably, in embodiment as shown in Figure 3, the seat 32 that is rotationally connected of runner assembly 30 all has with the axial Connection Block 81 of coupling assembling 80 projection 55 extended vertically, is fixedly connected with the two ends of spring 54 on protruding 55 respectively.The projection 55 of such setting can reach good fixed effect, simultaneously also can fixing spring 54 more simply and easily.
In addition, the force value scope of spring 54 is between 500N to 1500N.When there is deformation in spring 54, pulling force or pressure that this force value scope is enough to that spring 54 is born connection two saves car body.And, can not stable because of the intensity of spring 54 or its switching performance of stiffness effect when the deformation of controlling and adjustment run-through channel.
According to the utility model, as shown in Figure 3, retractable rod 50 also comprises telescopic sealing cover 53, and telescopic sealing cover 53 is at one end fixed with the seat 32 that is rotationally connected of runner assembly 30 by snap ring 56, and fixes at the outside face of the other end and outer tube 52.The relative position that pipe 51 and outer tube 52 in guarantee are on the one hand set of telescopic sealing cover 53, make this for connecting the telescopic boom device 100 of two joint car bodies and split run-through channel operationally, interior pipe 51 in its retractable rod 50 is unlikely to throw off with outer tube 52, the sealed environment that one good can be provided for the spring 54 being arranged on interior pipe 51 li on the other hand, while ensureing the work efficiency of spring 54, also improve the service life of spring 54.
Preferably, in an embodiment as illustrated in figure 3, one end of the interior pipe 51 of retractable rod 50 and the turning end seat 32 of runner assembly 30 are fixed, and the axial Connection Block 81 of the other end and coupling assembling 80 is fixed, and is fixed preferably by being threaded.Be threaded and can retractable rod 50 made more convenient with the installation of runner assembly 30, retractable rod 50 and coupling assembling 80 while reaching good connection effect.
According to the utility model, as shown in Figure 4, the radial Connection Block 82 in coupling assembling 80 is fixed on the end of intermediate pin 83, and is fixed by bearing 85 between radial Connection Block 82 with intermediate pin 83 and is connected.By arranging radial Connection Block 82, and radial Connection Block 82 is fixed with the intermediate beam of split run-through channel be connected, the connection of two joint car bodies and split run-through channel can be made more firm.Meanwhile, the deformation being set to control split run-through channel of radial Connection Block 82 provides the fulcrum of a centering application force, thus adjusts the carrying out of run-through channel and car body, realizes the alignment function of this telescopic boom device 100.
In some preferably embodiment, as shown in Figure 2, the fixed end base 31 of runner assembly 30 is connected by oscillating bearing 36 with the turning end seat 32 of runner assembly 30.Fixed end base 31 is undertaken being connected the rotation that can realize turning end seat 32 by oscillating bearing 36 with turning end seat 32, and make rotation more flexible, assisting the telescopic boom device 100 for connecting two joint car bodies and split run-through channel to realize alignment function with this, reaching the position-limiting action to car body.In addition, the setting of oscillating bearing 36 can also reduce fixed end base 31 and the wearing and tearing of turning end seat 32 in junction in runner assembly 30, improves the service life of runner assembly 30.Preferably, oscillating bearing 36 is fixed on the inside of runner assembly 30 by back-up ring 34.Oscillating bearing 36 can be prevented like this at the play of runner assembly 30 inside.
In addition, at turning end seat 32 and the junction of fixed end base 31, also sealing shroud 35 can be set, prevent outside water and gas on the oxidation of runner assembly inside and corrosion and avoid outside dust on the impact of runner assembly rotating function.
According to the utility model, as shown in Figure 2, coupling assembling 80 also comprises in order to the locking piece 83 of lock shaft to Connection Block 81 and radial Connection Block 82, the setting of the locking piece 83 in coupling assembling 80 makes axial Connection Block 81 more firm with the connection of radial Connection Block 82, avoids rocking or coming off of each Connection Block.Preferably, come to tighten up effect to coupling assembling 80 by arranging jam nut 83 in one end of intermediate pin 84, staff can free-handly operate.In addition, with the junction of intermediate pin 84, sealing shroud 86 also can be set to ensure the leak tightness of junction at radial coupling end seat 81, thus ensure the stability of connection, and improve the service life of coupling assembling 80.
In embodiment as shown in Figure 4, runner assembly 30 also comprises the jam nut 37 being arranged on bearing pin 33 end.Jam nut 37 in runner assembly 30 makes the inner structure of runner assembly 30 compacter more stable, thus ensure that the serviceability of turning end seat 32, can work more flexibly, when stressed larger be unlikely to depart from fixed end base 31.
According to the utility model, radial Connection Block 82 is used for being connected with the middle boxes of split run-through channel.Radial Connection Block 82 is connected with the middle boxes of split run-through channel, simultaneously axial Connection Block 81 saves car body by retractable rod 50 with runner assembly 30 and two and is connected, when car body shakes, under the effect of radial Connection Block 82, the position of the car body relatively rocked is adjusted, reach the effect of controlling distortion.Meanwhile, arranging of radial Connection Block 82 plays a buffer action to connection, avoids the lazyboy 100 when transient force effect to rupture.In addition, such connection mode also can reduce longitudinal force when vehicle travels, thus improves the stationarity of vehicle operating.
The utility model structure is simple, easy for installation, be applicable to novel hinge vehicle, easy with docking of the middle boxes of split type run-through channel, the centering limit function to two joint car bodies and run-through channel can be realized well, and by the shape control of run-through channel within the specific limits.In addition, reliability of the present utility model and maintainability better, fully can adapt to minor radius curvature track.
It should be noted, foregoing example only to be interpreted as object, and can not be thought to limit the utility model.Although be described the utility model according to exemplary embodiment, but should be appreciated that used herein is descriptive and illustrative language, instead of restrictive language.Current described with in the scope of the claims of amendment, in the scope not departing from scope and spirit of the present utility model, can change the utility model.Although be described the utility model according to specific mode, material and embodiment here, the utility model is not limited in details disclosed herein; On the contrary, the utility model extends to structure, the methods and applications of such as all identical functions within the scope of the appended claims.
Claims (10)
1., for connecting a derrick rig for two joint car bodies and split run-through channel, comprising:
Save two runner assemblies that car body is connected respectively with two, each described runner assembly comprises the fixed end base be fixed on corresponding car body, and is hinged on the turning end seat that fixed end base also can rotate relative to fixed end base,
Two retractable rods be connected respectively with the turning end seat of described runner assembly,
And by the coupling assembling that two retractable rods connect together, described coupling assembling comprises two axial Connection Blocks be linked together by intermediate pin, and be connected with described axial Connection Block and be fixed on the radial Connection Block on split run-through channel,
It is characterized in that, each described retractable rod comprises can the inner and outer tubes of relative sliding, in described interior pipe, be provided with spring, the two ends of described spring are fixedly connected with the axial Connection Block of described coupling assembling respectively with the turning end seat of described runner assembly respectively.
2. derrick rig according to claim 1, is characterized in that, the axial coupling end seat being rotationally connected seat and described coupling assembling of described runner assembly all has the projection extended vertically, and described projection is fixedly connected with the two ends of spring installation respectively.
3. derrick rig according to claim 1 and 2, is characterized in that, the force value scope of described spring is between 500N to 1500N.
4. derrick rig according to claim 1 and 2, it is characterized in that, described retractable rod also comprises telescopic sealing cover, and described telescopic sealing cover is at one end fixed with the seat that is rotationally connected of described runner assembly by snap ring, and fixes at the outside face of the other end and described outer tube.
5. derrick rig according to claim 1 and 2, is characterized in that, described radial Connection Block is fixed on the end of described intermediate pin, and described radial Connection Block is connected by bearing with between described intermediate pin.
6. derrick rig according to claim 1 and 2, it is characterized in that, one end of the interior pipe of described retractable rod is fixedly connected with the turning end seat of described runner assembly, the other end with can cooperatively interact relative to the outer tube of the retractable rod of described interior pipe generation relative sliding, the outer tube of described retractable rod is fixedly connected with the axial coupling end seat of described coupling assembling.
7. require the derrick rig described in 1 or 2 according to claim, it is characterized in that, the fixed end base of described runner assembly is connected by oscillating bearing with the turning end seat of described runner assembly.
8. derrick rig according to claim 7, is characterized in that, described oscillating bearing is fixed on the inside of described runner assembly by back-up ring.
9. derrick rig according to claim 1 and 2, is characterized in that, described coupling assembling also comprises the locking piece of locking described axial Connection Block and radial Connection Block, and described runner assembly also comprises the jam nut being arranged on end part of pin shaft.
10. derrick rig according to claim 1 and 2, is characterized in that, described radial Connection Block is connected with the middle boxes of split run-through channel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420474244.9U CN204109713U (en) | 2014-08-21 | 2014-08-21 | For connecting the derrick rig of two joint car bodies and split run-through channel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420474244.9U CN204109713U (en) | 2014-08-21 | 2014-08-21 | For connecting the derrick rig of two joint car bodies and split run-through channel |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204109713U true CN204109713U (en) | 2015-01-21 |
Family
ID=52327063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420474244.9U Expired - Lifetime CN204109713U (en) | 2014-08-21 | 2014-08-21 | For connecting the derrick rig of two joint car bodies and split run-through channel |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204109713U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104149561A (en) * | 2014-08-21 | 2014-11-19 | 株洲九方装备股份有限公司 | Derrick rig for connecting two vehicle bodies and split cut-through channel |
CN110816554A (en) * | 2019-11-12 | 2020-02-21 | 株洲时代新材料科技股份有限公司 | Method and system for connecting train ends of suspension train |
-
2014
- 2014-08-21 CN CN201420474244.9U patent/CN204109713U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104149561A (en) * | 2014-08-21 | 2014-11-19 | 株洲九方装备股份有限公司 | Derrick rig for connecting two vehicle bodies and split cut-through channel |
CN110816554A (en) * | 2019-11-12 | 2020-02-21 | 株洲时代新材料科技股份有限公司 | Method and system for connecting train ends of suspension train |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102287009B (en) | Node device | |
CN204109713U (en) | For connecting the derrick rig of two joint car bodies and split run-through channel | |
CN208185208U (en) | A kind of universal spherical joint of repeatitive loading tests | |
CN104149561A (en) | Derrick rig for connecting two vehicle bodies and split cut-through channel | |
CN201330900Y (en) | Universal ball-and-socket joint | |
CN103321144B (en) | Linkage device for bridges | |
CN204403657U (en) | A kind of Universal hinge expansion joint | |
CN204078047U (en) | A kind of direct Thrust type hydro-jet propulsion system | |
CN103925443A (en) | Single hinged type ripple compensator | |
CN202248289U (en) | Node device | |
CN211259994U (en) | Large-size high-pressure pipeline compensator based on spherical pressure bearing principle | |
CN211315473U (en) | Internal and external pressure balance type corrugated compensator | |
CN203147249U (en) | Outwardly-circular-but-inwardly-flat oval special-shaped seamless steel pipe | |
CN205859401U (en) | A kind of Petrochemical Pipe Joints | |
CN205087019U (en) | Steering system | |
CN204110132U (en) | A kind of follow-up steering device assembly | |
CN204025311U (en) | The curved driving rocker of a kind of turbogenerator | |
CN208517924U (en) | A kind of splice type geotechnical grid mounting structure | |
CN102114452B (en) | Long-distance flexible-transmission nozzle swinging mechanism | |
CN210440747U (en) | Aluminum oil pipe joint | |
CN202990121U (en) | Conversion device for stiff structure and steel structure | |
CN215371523U (en) | Corrugated pipe compensator with built-in elastic connection structure | |
CN211175468U (en) | Ball valve that leakproofness is high | |
CN207723982U (en) | A kind of energy saving and environment friendly lathe waste material recovery device | |
CN107127737A (en) | A kind of few joint double rotation freedom degrees parallel institution |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20150121 |
|
CX01 | Expiry of patent term |