CN204198333U - The synchronous double-acting self locking structure of jack waterborne - Google Patents
The synchronous double-acting self locking structure of jack waterborne Download PDFInfo
- Publication number
- CN204198333U CN204198333U CN201420538484.0U CN201420538484U CN204198333U CN 204198333 U CN204198333 U CN 204198333U CN 201420538484 U CN201420538484 U CN 201420538484U CN 204198333 U CN204198333 U CN 204198333U
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- jack
- positioning seat
- piston rod
- oil cylinder
- fixed
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Abstract
The utility model discloses a kind of synchronous double-acting self locking structure of jack waterborne, comprise oil cylinder, oil cylinder comprises cylinder body, and cylinder base is fixed with oil cylinder lower cover, is provided with piston rod in cylinder body; Piston rod part is fixed with stay bearing plate, underpart of the piston rod and inboard wall of cylinder block gluing, sealing; Piston rod, space between cylinder body and oil cylinder lower cover are lower oil cavitie, and lower oil cavitie connects oil inlet, also comprises motor and coordinates spacing positioning seat with oil cylinder; Motor is connected with gear, sheathedly on cylinder body is fixed with support sleeve, and piston rod part has been threaded self lock nut, and the excircle of self lock nut is upwards evenly provided with the gear teeth, self lock nut and gears meshing; Oil cylinder is arranged in positioning seat, and positioning seat is provided with the registration device regulating oil cylinder level attitude.By engaging of gear and self lock nut, drive self lock nut to rotate, ensure the distance of self lock nut and support sleeve, thus ensure that self lock nut drops on support sleeve when hydraulic oil lost efficacy, the top lifting height of guarantee jack.
Description
Technical field
The utility model relates to equipment for bridge construction technical field, is specifically related to a kind of synchronous double-acting self locking structure of jack waterborne.
Background technology
At present, jack, after the jacking completing vertical direction, needs operating personnel to use lever rotary self-locking nut, reaches the object of locking.The shortcoming of this kind of mode is: be difficult to realize the remote synchronized control system to self lock nut, particularly at mountain ridge Chong Qiu, time construction in the area that depth of water wave is high, operating personnel may in aloft work, difficulty of construction is quite large, transfers operating personnel, can increase construction cost again with professional equipment, and during construction, there is larger potential safety hazard.After having constructed, just can complete after the dismounting of equipment also needs operating personnel to unclamp self lock nut; This increases again difficulty of construction and the construction cost of operation, also increases potential safety hazard during construction operation.
Utility model content
The utility model is exactly for above-mentioned technical matters, and provide a kind of synchronous double-acting self locking structure of jack waterborne, this structure can effectively solve the problems of the technologies described above, and while ensureing the self-locking of nut, avoids potential safety hazard when constructing.
For realizing this object, the synchronous double-acting self locking structure of the jack waterborne designed by the utility model, comprise oil cylinder, oil cylinder comprises cylinder body, and cylinder base is fixed with oil cylinder lower cover, is provided with piston rod in cylinder body; Piston rod part is fixed with stay bearing plate, underpart of the piston rod and inboard wall of cylinder block gluing, sealing; Piston rod, space between cylinder body and oil cylinder lower cover are lower oil cavitie, and lower oil cavitie connects oil inlet, it is characterized in that: it also comprises motor and coordinates spacing positioning seat with oil cylinder; Motor is connected with gear, sheathedly on cylinder body is fixed with support sleeve, and piston rod part has been threaded self lock nut, and the excircle of self lock nut is upwards evenly provided with the gear teeth, self lock nut and gears meshing; Oil cylinder is arranged in positioning seat, and positioning seat is provided with the registration device regulating oil cylinder level attitude.
Further, described support sleeve is fixed with the proximity switch of monitoring piston rod displacement.
Further, described positioning seat comprises positioning seat lower cover and positioning seat upper cover, is fixedly connected with suspension rod between positioning seat lower cover and positioning seat upper cover, has knock hole in the middle part of positioning seat upper cover, and described registration device covers under being arranged at positioning seat.
Further, described registration device comprises and the sliding bottom of positioning seat lower cover relative sliding and the sliding support with sliding bottom relative sliding, and described oil cylinder bottom is arranged in sliding support.
Further, described sliding bottom is fixed with the first adjustment jack, first regulates the output shaft of jack to be fixedly connected with sliding support.
Further, cover and be fixed with the second adjustment jack under described positioning seat, second regulates the output shaft of jack to be fixedly connected with sliding bottom, and second regulates the axial direction and first of jack to regulate the axial direction of jack vertical.
Further, described support sleeve is fixed with motor bracket, and motor is fixed on motor bracket.
Further, described piston rod part is fixed with supporting base, and supporting base is fixed with stay bearing plate.
Further, described oil inlet is connected with hydraulic lock.
The beneficial effects of the utility model are: by engaging of gear and self lock nut, drive self lock nut to rotate, and ensure the distance of self lock nut and support sleeve, thus ensure that self lock nut drops on support sleeve when hydraulic oil lost efficacy, the top lifting height of guarantee jack.Such mechanical interlocking structure, substantially increases the efficiency of bridge construction, effectively reduces cost and the difficulty of construction of construction, avoids the potential safety hazard in construction.Jack is arranged in positioning seat, is realized the position adjustments of jack by positioning seat, further ensures the accurate of jack jacking position.
Accompanying drawing explanation
Fig. 1 is the positive view of jack in the utility model;
Fig. 2 is the birds-eye view of jack in the utility model;
Fig. 3 is the structural representation in the utility model after hydraulic oil jacking;
Fig. 4 is that in the utility model, jack is arranged at the structural representation in positioning seat;
Fig. 5 is the connection structure schematic diagram regulating jack to connect sliding bottom and sliding support in the utility model;
Wherein, 1-oil cylinder, 1.1-cylinder body, 1.2-oil cylinder lower cover, 2-piston rod, 2.1-lower piston rod, 2.2-upper piston rod, 3-stay bearing plate, 4-lower oil cavitie, 5-oil inlet, 6-motor, 7-positioning seat, 7.1-positioning seat lower cover, 7.2-positioning seat upper cover, 8-gear, 9-support sleeve, 10-self lock nut, 11-gear teeth, 12-proximity switch, 13-sliding bottom, 14-sliding support, 15-the first regulates jack, 16-the second regulates jack, 17-motor bracket, 18-supporting base, 19-hydraulic lock, 20-oil cylinder upper cover, 21-oil outlet, 22-suspension rod.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, detailed description is further done to the utility model:
The synchronous double-acting self locking structure of the jack waterborne as shown in Fig. 1-2 and Fig. 4, comprise oil cylinder 1, oil cylinder 1 comprises cylinder body 1.1, is fixed with oil cylinder lower cover 1.2 bottom cylinder body 1.1, is provided with piston rod 2 in cylinder body 1.1; Piston rod 2 top is fixed with stay bearing plate 3, piston rod 2 bottom and cylinder body 1.1 inwall gluing, sealing; Piston rod 2, space between cylinder body 1.1 and oil cylinder lower cover 1.2 are lower oil cavitie 4, and lower oil cavitie 4 connects oil inlet 5, it is characterized in that: it also comprises motor 6 and coordinates spacing positioning seat 7 with oil cylinder 1; Motor 6 is connected with gear 8, sheathedly on cylinder body 1.1 is fixed with support sleeve 9, and piston rod 2 screw top is connected with self lock nut 10, and the excircle of self lock nut 10 is upwards evenly provided with the gear teeth 11, and self lock nut 10 engages with gear 8; Oil cylinder 1 is arranged in positioning seat 7, and positioning seat 7 is provided with the registration device regulating oil cylinder 1 level attitude.Oil cylinder 1 piston rod 2 pushing tow, piston rod 2 drives stay bearing plate 3 pushing tow, self lock nut 10 is threaded with piston rod 2, for ensureing the invariant position of self lock nut 10 in the vertical direction, be provided with the structure of motor 6 and gear 8, self lock nut 10 is driven to rotate by gear 8, make to produce relative motion between self lock nut 10 and piston rod 2, thus ensure self lock nut 10 invariant position, when after hydraulic oil decompression, self lock nut 10 drops on support sleeve 9, because the distance between self lock nut 10 and support sleeve 9 is very little, thus effectively can ensure the pushing tow height of jack.
In technique scheme, described support sleeve 9 is fixed with the proximity switch 12 of monitoring piston rod 2 displacement.Relative displacement between self lock nut 10 and piston rod 2 is fed back to PLC control circuit by proximity switch 12, PLC is by initialization circuit, and control motor 6 and run, motor 6 pinion 8 rotates, gear 8 drives self lock nut 10 to rotate, and ensures that the distance between self lock nut 10 and support sleeve 9 remains unchanged.
In technique scheme, as shown in Fig. 4-5, described positioning seat 7 comprises positioning seat lower cover 7.1 and positioning seat upper cover 7.2, suspension rod 22 is fixedly connected with between positioning seat lower cover 7.1 and positioning seat upper cover 7.2, knock hole is had in the middle part of positioning seat upper cover 7.2, described oil cylinder 1 is arranged in knock hole, and described registration device is arranged on positioning seat lower cover 7.1.By the relative sliding of oil cylinder 1 with positioning seat lower cover 7.1, regulate the level attitude of oil cylinder 1, to ensure best pushing tow position, further enhance the practicality of device.
In technique scheme, described registration device comprises and the sliding bottom 13 of positioning seat lower cover 7.1 relative sliding and the sliding support 14 with sliding bottom 13 relative sliding, and described oil cylinder 1 bottom is arranged in sliding support 14.
In technique scheme, described sliding bottom 13 is fixed with the first adjustment jack 15, first and regulates the output shaft of jack 15 to be fixedly connected with sliding support 14.
In technique scheme, described positioning seat lower cover 7.1 is fixed with the second adjustment jack 16, second regulates the output shaft of jack 16 to be fixedly connected with sliding bottom 13, and second regulates the axial direction and first of jack 16 to regulate the axial direction of jack 15 vertical.Jack 15 and second is regulated to regulate jack 16 to regulate oil cylinder 1 position in the horizontal plane, its reasonable in design by first, easy to operate, without the need to manual operation, ensure that personal security.
In technique scheme, as shown in Figure 1, described support sleeve 9 is fixed with motor bracket 17, and motor 6 is fixed on motor bracket 17.Motor 6 synthesizes integrative-structure by motor bracket 17 and support sleeve 9, and easy for installation, practicality is good.
In technique scheme, described piston rod 2 top is fixed with supporting base 18, supporting base 18 is fixed with stay bearing plate 3.By the structure of supporting base 18, the pushing tow further enhancing stay bearing plate 3 is stablized.
In technique scheme, described oil inlet 5 is connected with hydraulic lock 19.Ensure that hydraulic oil can not reflux after losing efficacy by hydraulic lock 19, further ensure pushing tow and stablize.
In the utility model, when after device start, PLC sets the top lifting height of oil cylinder 1, primer fluid press pump, Hydraulic Pump is by lower oil cavitie 4 (oil cylinder lower cover 22, the space that oil cylinder 1 inwall and piston rod 2 between the formed) oiling of oil inlet 5 to oil cylinder 1, when the pressure of lower oil cavitie 4 is greater than the pressure of oil cylinder upper oil cavitie (oil cylinder upper cover 20, form space between oil cylinder 1 inwall and piston rod 2), hydraulic oil starts pushing tow piston rod 2 and rises, piston rod 2 is an eye-bolt shaft, comprises lower piston rod 2.1 and the upper piston rod 2.2 being fixed on lower piston rod 2.1 top; Upper piston rod 2.2 is a screw rod, its top and self lock nut 10 screw thread fit.Piston rod 2 is in the process risen, the relative displacement progressively increased between self lock nut 10 and upper piston rod 2 feeds back to PLC by proximity switch 12, PLC is by the program of setting, control motor 6 to start, driven gear 8 rotates, gear 8 by with the engaging of self lock nut 10, drive self lock nut 10 to rotate, in the process of piston rod 2 jacking, self lock nut 10 remains unchanged with the distance of support sleeve 9.Jack is in operational process, if hydraulic lock 19 lost efficacy, the hydraulic oil of lower oil cavitie 4 may instantaneous loss of pressure, and the pressure of the hydraulic oil of upper oil cavitie can, much larger than the pressure of the hydraulic oil of lower oil cavitie 4, can drive stay bearing plate 3 to decline at the situation lower piston rod 2 of jack load and self gravitation.Self lock nut 10 drops on support sleeve 9, is shared on oil cylinder 1 by the pressure of load, thus withstand load by support sleeve 9, ensures pushing tow height (as shown in Figure 3), avoids top lifting weight run-off the straight damage.Staff, without the need to carrying manual locking self lock nut 10 in loaded situation at jack, effectively ensure that synchronous rising or the decline of equipment, also can avoid in bridge construction dangerous, labile factor by actv. simultaneously; Greatly reduce cost and the difficulty of construction of construction.The structure of positioning seat 7 is have also been devised in the utility model, regulate jack 15 and second to regulate jack 16 to regulate the level attitude of oil cylinder 1 by first, ensure the accurate of oil cylinder 1 pushing tow position, further enhance the practicality of device, have good pushing tow effect, market using value is high.
The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the utility model; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (9)
1. the synchronous double-acting self locking structure of a jack waterborne, comprise oil cylinder (1), oil cylinder (1) comprises cylinder body (1.1), cylinder body (1.1) bottom is fixed with oil cylinder lower cover (1.2), is provided with piston rod (2) in cylinder body (1.1); Piston rod (2) top is fixed with stay bearing plate (3), piston rod (2) bottom and cylinder body (1.1) inwall gluing, sealing; Piston rod (2), space between cylinder body (1.1) and oil cylinder lower cover (1.2) are lower oil cavitie (4), lower oil cavitie (4) connects oil inlet (5), it is characterized in that: it also comprises motor (6) and coordinates spacing positioning seat (7) with oil cylinder (1); Motor (6) is connected with gear (8), cylinder body (1.1) is above sheathed is fixed with support sleeve (9), piston rod (2) screw top is connected with self lock nut (10), the excircle of self lock nut (10) is upwards evenly provided with the gear teeth (11), and self lock nut (10) engages with gear (8); Oil cylinder (1) is arranged in positioning seat (7), and positioning seat (7) is provided with the registration device regulating oil cylinder (1) level attitude.
2. the synchronous double-acting self locking structure of a kind of jack waterborne as claimed in claim 1, is characterized in that: the proximity switch (12) described support sleeve (9) being fixed with monitoring piston rod (2) displacement.
3. the synchronous double-acting self locking structure of a kind of jack waterborne as claimed in claim 1, it is characterized in that: described positioning seat (7) comprises positioning seat lower cover (7.1) and positioning seat upper cover (7.2), suspension rod (22) is fixedly connected with between positioning seat lower cover (7.1) and positioning seat upper cover (7.2), positioning seat upper cover (7.2) middle part has knock hole, described oil cylinder (1) is arranged in knock hole, and described registration device is arranged on positioning seat lower cover (7.1).
4. the synchronous double-acting self locking structure of a kind of jack waterborne as claimed in claim 3, it is characterized in that: described registration device comprises and the sliding bottom (13) of positioning seat lower cover (7.1) relative sliding and the sliding support (14) with sliding bottom (13) relative sliding, and described oil cylinder (1) bottom is arranged in sliding support (14).
5. the synchronous double-acting self locking structure of a kind of jack waterborne as claimed in claim 4, it is characterized in that: described sliding bottom (13) is fixed with the first adjustment jack (15), first regulates the output shaft of jack (15) to be fixedly connected with sliding support (14).
6. the synchronous double-acting self locking structure of a kind of jack waterborne as claimed in claim 4, it is characterized in that: described positioning seat lower cover (7.1) is fixed with the second adjustment jack (16), second regulates the output shaft of jack (16) to be fixedly connected with sliding bottom (13), and second regulates the axial direction and first of jack (16) to regulate the axial direction of jack (15) vertical.
7. the synchronous double-acting self locking structure of a kind of jack waterborne as claimed in claim 1 or 2, it is characterized in that: described support sleeve (9) is fixed with motor bracket (17), motor (6) is fixed on motor bracket (17).
8. the synchronous double-acting self locking structure of a kind of jack waterborne as claimed in claim 1, it is characterized in that: described piston rod (2) top is fixed with supporting base (18), supporting base (18) is fixed with stay bearing plate (3).
9. the synchronous double-acting self locking structure of a kind of jack waterborne as claimed in claim 1, is characterized in that: described oil inlet (5) is connected with hydraulic lock (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538484.0U CN204198333U (en) | 2014-09-18 | 2014-09-18 | The synchronous double-acting self locking structure of jack waterborne |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538484.0U CN204198333U (en) | 2014-09-18 | 2014-09-18 | The synchronous double-acting self locking structure of jack waterborne |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204198333U true CN204198333U (en) | 2015-03-11 |
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ID=52656317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420538484.0U Expired - Fee Related CN204198333U (en) | 2014-09-18 | 2014-09-18 | The synchronous double-acting self locking structure of jack waterborne |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204198333U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106276692A (en) * | 2016-08-29 | 2017-01-04 | 扬州万方电子技术有限责任公司 | The lifting assembly of car installed by a kind of type aircraft electromotor |
| CN108275601A (en) * | 2018-03-14 | 2018-07-13 | 浙江耀欧汽车零部件有限公司 | A kind of recreational vehicle electric jack stand with assistant reinforcement muscle structure |
| CN108423593A (en) * | 2017-06-15 | 2018-08-21 | 穆钜（上海）动力技术有限公司 | Hydraulic jack |
| CN108584830A (en) * | 2018-05-14 | 2018-09-28 | 长江三峡通航管理局 | A kind of hydraulic jack and control method with mechanical self-latching protective device |
| CN108757638A (en) * | 2018-06-11 | 2018-11-06 | 江苏万川高压电气有限公司 | The tight boosting hydraulic cylinder of servo-actuated self-locking |
| CN108996423A (en) * | 2018-09-10 | 2018-12-14 | 无锡市思进工业自动化设备有限公司 | A kind of hydraulic lifting oil cylinder of automatic self-locking |
| CN109911803A (en) * | 2019-04-15 | 2019-06-21 | 戴向胜 | Automatically control the self-locking jack of bit shift compensation section |
| CN111196577A (en) * | 2020-02-21 | 2020-05-26 | 中国五冶集团有限公司 | Anti-falling limiting jack for positioning magnetic suspension track beam |
-
2014
- 2014-09-18 CN CN201420538484.0U patent/CN204198333U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106276692A (en) * | 2016-08-29 | 2017-01-04 | 扬州万方电子技术有限责任公司 | The lifting assembly of car installed by a kind of type aircraft electromotor |
| CN106276692B (en) * | 2016-08-29 | 2018-07-03 | 扬州万方电子技术有限责任公司 | A kind of lifting assembly of aircraft engine installing vehicle |
| CN108423593A (en) * | 2017-06-15 | 2018-08-21 | 穆钜（上海）动力技术有限公司 | Hydraulic jack |
| CN108275601A (en) * | 2018-03-14 | 2018-07-13 | 浙江耀欧汽车零部件有限公司 | A kind of recreational vehicle electric jack stand with assistant reinforcement muscle structure |
| CN108275601B (en) * | 2018-03-14 | 2020-04-14 | 浙江耀欧汽车零部件有限公司 | Car as a house electric jack support with supplementary strengthening rib structure |
| CN108584830A (en) * | 2018-05-14 | 2018-09-28 | 长江三峡通航管理局 | A kind of hydraulic jack and control method with mechanical self-latching protective device |
| CN108757638A (en) * | 2018-06-11 | 2018-11-06 | 江苏万川高压电气有限公司 | The tight boosting hydraulic cylinder of servo-actuated self-locking |
| CN108996423A (en) * | 2018-09-10 | 2018-12-14 | 无锡市思进工业自动化设备有限公司 | A kind of hydraulic lifting oil cylinder of automatic self-locking |
| CN109911803A (en) * | 2019-04-15 | 2019-06-21 | 戴向胜 | Automatically control the self-locking jack of bit shift compensation section |
| CN111196577A (en) * | 2020-02-21 | 2020-05-26 | 中国五冶集团有限公司 | Anti-falling limiting jack for positioning magnetic suspension track beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20180918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |