CN105033901A - Expansion type installation fixture - Google Patents
Expansion type installation fixture Download PDFInfo
- Publication number
- CN105033901A CN105033901A CN201510534898.5A CN201510534898A CN105033901A CN 105033901 A CN105033901 A CN 105033901A CN 201510534898 A CN201510534898 A CN 201510534898A CN 105033901 A CN105033901 A CN 105033901A
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- CN
- China
- Prior art keywords
- sectional fixture
- mobile board
- slide block
- upper mobile
- jacking mechanism
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Abstract
The invention discloses an expansion type installation fixture which is used as a tool for installing a compressing block of a cable penetrating device. The expansion type installation fixture comprises an upper movable plate and a fixed plate, and one end of the upper movable plate and one end of the fixed plate are in rotatable connection through a fixed support. A jacking mechanism is arranged in the position, between the support and the free end, of the inner side of the upper movable plate, a sliding groove is correspondingly formed in the inner side of the fixed plate, and a matching unloading sliding block is arranged on the sliding groove. The free end of the installation fixture is placed in the space above a sealing module in a cable penetrating device frame, the jacking mechanism is driven to enable the end of the jacking mechanism to abut against the upper surface of the unloading sliding block, and the upper movable plate is reversely driven to rotate around the fixed support to ascend; the free end is expanded to compress the sealing module, the unloading sliding block is moved to enable the end of the jacking mechanism to slide out of the surface of the unloading sliding block and fall into the sliding groove, and the upper movable plate is driven to be decompressed and fast approach the fixed plate; and therefore, the compressing block can be conveniently installed in expanded space after the installation fixture is taken out and before the sealing module is completely sprung back.
Description
Technical field
The present invention relates to cable penetration sealing installing area, more specifically, relating to a kind of for ease of installing the expanding sectional fixture that compact heap uses in cable penetration device.
Background technology
In boats and ships, marine drilling platform and various building, often to need in cabin, the structure place opening such as wall or dividing plate, operation is run through to cable/wire.In order to seal and protect cable, make it, not by the impact of fire, cigarette, gas and water etc., at these opening parts, will cable penetration device be used.
Refer to Fig. 1, Fig. 1 is the contour structures schematic diagram of existing a kind of cable penetration device.As shown in Figure 1, existing cable penetration device generally includes a rigid frame 1, framework 1 built with one or several elastic packing modules 2 for clamping the cable 3 running through framework 1, and is contained in framework 1, for carrying out swelling between framework 1 inwall and elastic packing module 2, to form the compact heap 4 of sealing at the section of framework 1.
At present, the mode that the compact heap of main flow generally all adopts two groups of four wedge combinations to carry out compressing, its course of action is one group of voussoir relative translation by making to be in horizontal direction, realize moving up and down of another the upper lower wedge block of group coordinated with it, thus frame inner wall and the swelling of elastic packing module are sealed.This manner of execution can make the change of the stressed of lower wedge block and displacement comparatively even.
Because the upper lower wedge block stroke of compact heap is limited, in order to ensure that compact heap can produce suitable tension force, therefore the integral thickness of compact heap cannot be very thin.When installing compact heap, in framework, remaining installing space is narrower and small, causes compact heap naturally cannot enter framework.For this reason, often need such as to extrude by means of external force or knock etc. to install by force.Now, compact heap easily occurs to install phenomenon not in place under external force, and often needs to spend the longer set-up time, and these problems cause the inconvenience of installation and the low of operating efficiency.
In order to ensure that compact heap can be installed smoothly and play effective sealing function, in actual installation engineering, start the installation carrying out compact heap by erecting tools.The operation principle of erecting tools normally before compact heap is installed, by adopting certain downforce that the seal modules loaded in rigid frame is carried out compacting, to expand the installing space of compact heap; Then, then by compact heap load, pretension.
At present, although existing erecting tools can play seal modules compacting, the effect expanding compact heap installing space when its load, but, when removing erecting tools, because rollback speed during its off-load is comparatively slow, makes compacted seal modules have time enough to carry out resilience, cause compact heap actual installation space to be in the variable condition phased down, it greatly weakens the compression effect of seal modules, and compact heap thus will be caused to install smoothly.
Summary of the invention
The object of the invention is to overcome the above-mentioned defect that prior art exists, a kind of expanding sectional fixture be provided, as instrument during installing cables through-going device compact heap, can when off-load fast fallback, play the effect effectively expanding compact heap installing space.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of expanding sectional fixture, as instrument during installing cables through-going device compact heap, described sectional fixture is comprised one end and is formed the upper mobile board and fixed head that are rotationally connected by fixed pivot, inside described upper mobile board, between its fulcrum and free end, position is provided with a jacking mechanism, inside described fixed head, correspondence position is provided with chute, and described chute is provided with the off-load slide block matched;
Wherein, by the free end of described sectional fixture being put into the seal modules superjacent air space of described cable penetration device framework, described jacking mechanism is driven to make its end hold out against described off-load slide block upper surface, the described upper mobile board of reverse drive rotates around described fixed pivot and rises, its free end is expanded described seal modules is compressed, again by mobile described off-load slide block, described jacking mechanism end is made to skid off described off-load shoe surface and fall into described chute, drive described upper mobile board off-load and be rapidly to described fixed head and draw close, with after described sectional fixture takes out, before the complete resilience of described seal modules, described compact heap is loaded softened space easily.
Preferably, described jacking mechanism comprises the liftable push rod be longitudinally located at inside described upper mobile board, and described push rod holds out against described off-load slide block upper surface by its end, and by extending reverse for described upper mobile board jack-up inside described upper mobile board.
Preferably, described jacking mechanism comprises a pre-loading screw, described pre-loading screw is longitudinally through described upper mobile board and coordinate with its formation threads turn, described pre-loading screw holds out against described off-load slide block upper surface by its end, and extends reverse for described upper mobile board jack-up by rotating inside described upper mobile board.
Preferably, described end has arc or ball.
Preferably, described pre-loading screw is provided with and can pulls nut.
Preferably, described off-load slide block at least encloses the setting of described chute along the top of described chute and sidepiece three bread.
Preferably, described off-load slide block sidepiece is provided with handle.
Preferably, described off-load slide block upper surface is plane.
Preferably, be rotationally connected as fixed pivot formation by a central pin shaft between described upper mobile board and fixed head.
Preferably, the bottom surface of the nearly free end of described fixed head is provided with the lower supporting plate that side direction extends out, and its length and described cable penetration device framework inboard width form matched in clearance.
As can be seen from technique scheme, the present invention is by forming on the upper mobile board that is rotationally connected setting example as the jacking mechanism of pre-loading screw form with fixed head, inside fixed head, correspondence position arranges the chute of band off-load slide block, when rotating pre-loading screw and making its end hold out against off-load slide block upper surface, upper mobile board can be oppositely driven to rotate rising around fixed pivot by reaction force, make its free end realize expansion action, the seal modules in cable penetration device framework is compressed; When arriving predetermined altitude, then by removing off-load slide block, making pre-loading screw fall in chute, realizing the Rapid reset of upper mobile board; Therefore, before the complete resilience of seal modules, time enough can be had to be taken out by sectional fixture, and compact heap is loaded softened space easily, realize sealing.
Accompanying drawing explanation
Fig. 1 is the contour structures schematic diagram of existing a kind of cable penetration device;
Fig. 2 is a kind of expanding sectional fixture of a preferred embodiment of the present invention structural representation when being in softened state;
Fig. 3 is the three-dimensional structure diagram of sectional fixture in Fig. 2;
Fig. 4 is structural representation when sectional fixture is in reset mode in Fig. 2;
Fig. 5 is the three-dimensional structure diagram of sectional fixture in Fig. 4;
Fig. 6 be in Fig. 2 sectional fixture in a state of nature time perspective view;
Fig. 7 is the using state schematic diagram of sectional fixture in Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
It should be noted that, in following detailed description of the invention, when describing embodiments of the present invention in detail, in order to clearly represent structure of the present invention so that explanation, special to the structure in accompanying drawing not according to general scale, and carried out partial enlargement, distortion and simplify processes, therefore, should avoid being understood in this, as limitation of the invention.
In following the specific embodiment of the present invention, refer to Fig. 2, Fig. 2 is a kind of expanding sectional fixture of a preferred embodiment of the present invention structural representation when being in softened state, and its display sectional fixture is in state during work; Meanwhile, incorporated by reference to consulting Fig. 3, Fig. 3 is the three-dimensional structure diagram of sectional fixture in Fig. 2.Expanding sectional fixture of the present invention, as instrument during installing cables through-going device compact heap, object utilizes sectional fixture that the seal modules in cable penetration device rigid frame is carried out compacting, to expand the installing space of described compact heap; Then take out sectional fixture, before the complete resilience of described seal modules, described compact heap is loaded softened space, pretension, the cable realized running through in described framework seals.As shown in Figure 2 and Figure 3, a kind of expanding sectional fixture of the present invention, comprises the upper mobile board 9 and a fixed head 5 that are equipped with up and down, and one end of described upper mobile board 9 and fixed head 5 is formed by a fixed pivot 8 and is rotationally connected.In the inner side of described upper mobile board 9, be positioned at position between its fulcrum 8 and free end (front of motor) one jacking mechanism 10 is housed.Be processed with a chute 16 at the inner side correspondence position of described fixed head 5, described chute 16 is equipped with the off-load slide block 15 be slidingly fitted with chute 16.
The present invention is by the manner of execution of simulation jack, incorporated in the project organization of sectional fixture, object is after seal modules superjacent air space sectional fixture being put into cable penetration device framework, its end 12 is made to hold out against described off-load slide block 15 upper surface by driving described jacking mechanism 10, the reaction force utilizing it to produce oppositely drives described upper mobile board 9 to rotate rising around described fixed pivot 8, its free end is made to expand thus carry out compacting to described seal modules, to expand installing space when described compact heap loads.
The effect of jacking mechanism 10 utilizes its end 12 to withstand on described off-load slide block 15 as impetus, and described upper mobile board 9 jack-up is produced expansion by the reaction force then by producing.Therefore, described jacking mechanism 10 can adopt various can playing to make described upper mobile board 9 produce the version of dilating effect.As an optional embodiment, described jacking mechanism can adopt the version such as comprising and be longitudinally located at the liftable push rod inside described upper mobile board 9, described push rod holds out against described off-load slide block upper surface by its end, and extend by handling the decline of described push rod inside described upper mobile board 9, by described upper mobile board 9 oppositely jack-up.Handle by existing electronic, hydropneumatic or the lifting of mode to described push rod such as manual.
Please continue to refer to Fig. 2, Fig. 3.As one preferred embodiment, consider more simple and practical operation, described jacking mechanism can adopt the version of a pre-loading screw 10.By described pre-loading screw 10 longitudinally through described upper mobile board 9, and form threads turn with described upper mobile board 9 and coordinate.Like this, when rotating described pre-loading screw 10, end 12 just by screw holds out against on the upper surface of described off-load slide block 15, and by rotating, described pre-loading screw 10 is constantly declined elongation in the inner side of described upper mobile board 9, the reaction force making described upper mobile board 9 be subject to threaded engagement to produce, and by described pre-loading screw 10 oppositely jack-up, thus realize opening of described upper mobile board 9 and fixed head 5 free end (openend).For the ease of rotating described pre-loading screw 10, also can pull nut in the afterbody processing one of described pre-loading screw 10, such as, can be illustrated hexagonal (hexagon)nut 11, thus spanner can be used to pull operation to described pre-loading screw 10.
Please continue to refer to Fig. 2, Fig. 3.As one preferred embodiment, described chute 16 should be arranged on position suitable below described pre-loading screw 10, and there is certain haul distance, so that described off-load slide block 15 can successfully move to support the end 12 of described pre-loading screw immediately below described pre-loading screw 10, and fully can dodge the end 12 of described pre-loading screw when removing.Simultaneously, due to when rotating described pre-loading screw 10, along with described upper mobile board 9 rotates rising around described fixed pivot 8, described pre-loading screw 10 angle is in vertical direction also in continuous change, and the end 12 showing as described pre-loading screw produces one section of displacement changed with its angle on described off-load slide block 15 surface.Therefore, in order to ensure to open in process at described upper mobile board 9, the end 12 of described pre-loading screw is unlikely from the surperficial landing of described off-load slide block 15, and described off-load slide block 15 certain coordinates width with should have.
One is more preferred embodiment, can be close to when the one stroke end of described chute 16 at described off-load slide block 15, just in time be positioned at immediately below described pre-loading screw end 12, and meet to produce when sliding in described pre-loading screw end 12 it is supported effectively.Like this, described chute 16 end sidewall can be utilized to form side direction to described off-load slide block 15 and to rely on, avoid the stressed generation skew of described off-load slide block 15.Due to described upper mobile board 9 rise time, described pre-loading screw end 12 will to the skew of diagram right side, therefore described off-load slide block 15 should be made to be close to the setting of described chute 16 right end sidewall locations, this can determine the best position that cooperatively interacts easily when the making of sectional fixture.
Please continue to refer to Fig. 2, Fig. 3.As further preferred embodiment, the end 12 of described pre-loading screw can be processed as arc, or a ball (roller ball) be installed, to reduce the frictional force of described pre-loading screw end 12 when described off-load slide block 15 surface sliding.As adopted the other forms of jacking mechanisms such as liftable push rod, arcwall face can be processed too in its end or ball is installed.
Please continue to refer to Fig. 2, Fig. 3.As an optional embodiment, described off-load slide block 15 can at least be arranged around described chute 16 along the top of described chute 16 and sidepiece with three bread form of enclosing, the full encirclement form such as, adopted in the present embodiment, stationarity during to strengthen the structural stability of described off-load slide block 15 and to slide.Simultaneously, by described off-load slide block 15 from described pre-loading screw end 12 moved out from beneath time, in order to ensure that described pre-loading screw 10 has certain drop, so that described upper mobile board 9 can reset thereupon, between described off-load slide block 15 and the upper surface of described chute 16, should process that to make it have suitable shoulder height poor.
Please continue to refer to Fig. 2, Fig. 3.As other preferred embodiment, the upper surface of described off-load slide block 15 can be processed as plane, like this when its support has the described pre-loading screw 10 of curved end 12, more fast and effortlessly described off-load slide block 15 can be extracted out, make described pre-loading screw 10 fall into described chute 16 surface fast.Meanwhile, in order to pull described off-load slide block 15 more easily, at two sidepieces of described off-load slide block 15, a handle 14 can be respectively housed.
Please continue to refer to Fig. 2, Fig. 3.As an optional embodiment, be rotationally connected as fixed pivot formation by a central pin shaft 8 between described upper mobile board 9 and fixed head 5.Concrete connected mode is: can adopt a pair triangle fixed plate 7, described upper mobile board 9 and fixed head 5 is needed link to be clipped in the middle to be fixed; Three corner positions of two triangle fixed plates 7 are equipped with a bearing pin respectively, described upper mobile board 9 and fixed head 5 and two triangle fixed plates 7 are connected and fixed.Wherein, the bearing pin being located at two corner positions below triangle fixed plate 7 plays the effect of fixing described fixed head 5 and triangle fixed plate 7, and the central pin shaft 8 being located at corner position above triangle fixed plate 7 plays and connects described upper mobile board 9 with triangle fixed plate 7 and make the effect that described upper mobile board 9 can rotate around this central pin shaft 8.Simultaneously, conveniently described upper mobile board 9 rotates, the end of described upper mobile board 9 link can be processed into arc, the upper surface of described fixed head 5 link is processed into an inclined-plane, and make between described upper mobile board 9 and fixed head 5, to leave necessary fit clearance.Also can adopt other any suitable connected modes, to be connected with one end of fixed head to make described upper mobile board and rotatably to coordinate.
Please continue to refer to Fig. 2, Fig. 3.As an optional embodiment, in the bottom surface of the nearly free end (front of motor) of described fixed head 5, one piece of lower supporting plate 13 also can be installed, the form that described lower supporting plate 13 adopts the side to described fixed head 5 to extend out, the width inside its entire length and described cable penetration device framework can form matched in clearance.The object arranging described lower supporting plate 13 is in order to by the seal modules uniform compaction in framework.
In addition, for the ease of putting into and using, also sectional fixture of the present invention can be processed into as illustrated low early and high after jaw mouth form.At the afterbody of described fixed head 5, a handles 6 also can be installed, operate for use in hand-held sectional fixture.
Refer to Fig. 7, Fig. 7 is the using state schematic diagram of sectional fixture in Fig. 2; And please combine simultaneously and consult Fig. 2 ~ Fig. 6, wherein, Fig. 4 is structural representation when sectional fixture is in reset mode in Fig. 2, and Fig. 5 is the three-dimensional structure diagram of sectional fixture in Fig. 4, Fig. 6 be in Fig. 2 sectional fixture in a state of nature time perspective view.As shown in Figure 7, when needing to load compact heap (figure slightly) in the rigid frame 1 of cable penetration device, first sectional fixture of the present invention is put into the superjacent air space of the seal modules (can be filled by the seal modules of some different sizes) 2 of cable penetration device framework 1 with the reset condition (now off-load slide block 15 is positioned at below the end 12 of pre-loading screw 10, but upper mobile board 9 is in from fixed head 5 state of drawing close) shown in Fig. 6.Preferably effect is installed to reach, the length of lower supporting plate 13 should close to the width inside framework 1, and the width of lower supporting plate 13 can be processed into and match with the width of draw-in groove on the demarcation strip 17 of seal modules 2 the top (scheme slightly), position lower supporting plate 13 is snapped in draw-in groove.When operation, available hand pinches handle 6 and operates.
Refer to Fig. 2, Fig. 3 and combine and consult Fig. 7.Then, spanner can be used to pull nut 11, pre-loading screw 10 be rotated and extends and hold out against off-load slide block 15.Owing to there being in the below of sectional fixture many cables 3 to pass, in order to ensure enough operating spaces, in order to avoid affecting the operation of spanner class hand-operated tools, present invention employs top mode of operation, pre-loading screw 10 being arranged on the top of sectional fixture.Be rotated further pre-loading screw 10, the effect that upper mobile board 9 is subject to reaction force will rotate rising upward around central pin shaft 8, realize expansion action, the jaw of its free end be expanded and be compressed by seal modules 2.When upper mobile board 9 arrives predetermined altitude, carry out the pressurize of a period of time, make seal modules 2 fully elastic deformation.
Refer to Fig. 4, Fig. 5 and combine and consult Fig. 7.Subsequently, pull the handle 14 of off-load slide block both sides, make off-load slide block 15 on the right side of illustrated chute 16, shift to left side.After pre-loading screw 10 loses the support of off-load slide block 15, under the effect of upper mobile board 9 gravity or external force and drop, its end 12 i.e. landing enters in chute 16, thus can realize upper mobile board 9 and fall and reset rapidly.At this moment, just can take out sectional fixture at once, and catch up with before seal modules 2 completely resilience, compact heap be loaded easily in time softened space and carry out sealing operation.
In sum, the present invention is by forming on the upper mobile board that is rotationally connected setting example if pre-loading screw is as jacking mechanism with fixed head, inside fixed head, correspondence position arranges the chute of band off-load slide block, when rotating pre-loading screw and making its end hold out against off-load slide block upper surface, upper mobile board can be oppositely driven to rotate rising around fixed pivot by reaction force, make its free end realize expansion action, the seal modules in cable penetration device framework is compressed; When arriving predetermined altitude, then by removing off-load slide block, making pre-loading screw fall in chute, realizing the Rapid reset of upper mobile board; Therefore, before the complete resilience of seal modules, time enough can be had to be taken out by sectional fixture, and compact heap is loaded softened space easily, realize sealing.
Above-describedly be only the preferred embodiments of the present invention; described embodiment is also not used to limit scope of patent protection of the present invention; therefore the equivalent structure that every utilization description of the present invention and accompanying drawing content are done changes, and in like manner all should be included in protection scope of the present invention.
Claims (10)
1. an expanding sectional fixture, as instrument during installing cables through-going device compact heap, it is characterized in that, described sectional fixture is comprised one end and is formed the upper mobile board and fixed head that are rotationally connected by fixed pivot, inside described upper mobile board, between its fulcrum and free end, position is provided with a jacking mechanism, inside described fixed head, correspondence position is provided with chute, and described chute is provided with the off-load slide block matched;
Wherein, by the free end of described sectional fixture being put into the seal modules superjacent air space of described cable penetration device framework, described jacking mechanism is driven to make its end hold out against described off-load slide block upper surface, the described upper mobile board of reverse drive rotates around described fixed pivot and rises, its free end is expanded described seal modules is compressed, again by mobile described off-load slide block, described jacking mechanism end is made to skid off described off-load shoe surface and fall into described chute, drive described upper mobile board off-load and be rapidly to described fixed head and draw close, with after described sectional fixture takes out, before the complete resilience of described seal modules, described compact heap is loaded softened space easily.
2. expanding sectional fixture according to claim 1, it is characterized in that, described jacking mechanism comprises the liftable push rod be longitudinally located at inside described upper mobile board, described push rod holds out against described off-load slide block upper surface by its end, and by extending reverse for described upper mobile board jack-up inside described upper mobile board.
3. expanding sectional fixture according to claim 1, it is characterized in that, described jacking mechanism comprises a pre-loading screw, described pre-loading screw is longitudinally through described upper mobile board and coordinate with its formation threads turn, described pre-loading screw holds out against described off-load slide block upper surface by its end, and extends reverse for described upper mobile board jack-up by rotating inside described upper mobile board.
4. the expanding sectional fixture according to claims 1 to 3 any one, is characterized in that, described end has arc or ball.
5. expanding sectional fixture according to claim 3, is characterized in that, described pre-loading screw is provided with can pull nut.
6. expanding sectional fixture according to claim 1, is characterized in that, described off-load slide block at least encloses described chute and arranges along the top of described chute and sidepiece three bread.
7. expanding sectional fixture according to claim 6, is characterized in that, described off-load slide block sidepiece is provided with handle.
8. the expanding sectional fixture according to claims 1 to 3,6 or 7, is characterized in that, described off-load slide block upper surface is plane.
9. expanding sectional fixture according to claim 1, is characterized in that, is rotationally connected between described upper mobile board and fixed head by a central pin shaft as fixed pivot formation.
10. expanding sectional fixture according to claim 1, is characterized in that, the bottom surface of the nearly free end of described fixed head is provided with the lower supporting plate that side direction extends out, and its length and described cable penetration device framework inboard width form matched in clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510534898.5A CN105033901B (en) | 2015-08-27 | 2015-08-27 | Expansion type installation fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510534898.5A CN105033901B (en) | 2015-08-27 | 2015-08-27 | Expansion type installation fixture |
Publications (2)
| Publication Number | Publication Date |
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| CN105033901A true CN105033901A (en) | 2015-11-11 |
| CN105033901B CN105033901B (en) | 2017-05-03 |
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| CN201510534898.5A Active CN105033901B (en) | 2015-08-27 | 2015-08-27 | Expansion type installation fixture |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4492369A (en) * | 1983-02-07 | 1985-01-08 | Pohl Harold F | Door lifting and centering device for hanging heavy doors |
| KR0175085B1 (en) * | 1995-12-27 | 1999-02-18 | 김태구 | Jig for engine door assembly of a bus |
| CN201195299Y (en) * | 2008-03-18 | 2009-02-18 | 中冶宝钢技术服务有限公司 | Tube seat top-pushing device |
| CN202344499U (en) * | 2011-09-23 | 2012-07-25 | 尚玉东 | Automobile hydraulic wheel cylinder setter |
| CN202906330U (en) * | 2012-10-30 | 2013-04-24 | 江苏省电力公司洪泽县供电公司 | Combined bridge-connection tool for screen-top miniature bus |
| CN203809974U (en) * | 2014-04-26 | 2014-09-03 | 中国第一汽车股份有限公司 | Adjustable jacking system |
-
2015
- 2015-08-27 CN CN201510534898.5A patent/CN105033901B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4492369A (en) * | 1983-02-07 | 1985-01-08 | Pohl Harold F | Door lifting and centering device for hanging heavy doors |
| KR0175085B1 (en) * | 1995-12-27 | 1999-02-18 | 김태구 | Jig for engine door assembly of a bus |
| CN201195299Y (en) * | 2008-03-18 | 2009-02-18 | 中冶宝钢技术服务有限公司 | Tube seat top-pushing device |
| CN202344499U (en) * | 2011-09-23 | 2012-07-25 | 尚玉东 | Automobile hydraulic wheel cylinder setter |
| CN202906330U (en) * | 2012-10-30 | 2013-04-24 | 江苏省电力公司洪泽县供电公司 | Combined bridge-connection tool for screen-top miniature bus |
| CN203809974U (en) * | 2014-04-26 | 2014-09-03 | 中国第一汽车股份有限公司 | Adjustable jacking system |
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| CN105033901B (en) | 2017-05-03 |
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