CN210366804U - Access cover lifter - Google Patents
Access cover lifter Download PDFInfo
- Publication number
- CN210366804U CN210366804U CN201921311444.1U CN201921311444U CN210366804U CN 210366804 U CN210366804 U CN 210366804U CN 201921311444 U CN201921311444 U CN 201921311444U CN 210366804 U CN210366804 U CN 210366804U
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- CN
- China
- Prior art keywords
- access cover
- connecting rod
- frame
- guide
- lifter
- 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.)
- Withdrawn - After Issue
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- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003974 emollient agent Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of lifting equipment, in particular to an access cover lifter, which comprises a frame, wherein guide posts are arranged on the upper surface of the frame, guide sleeves are sleeved on the peripheries of the two guide posts, an elevator is arranged between the two guide posts, the movable end of the elevator is fixedly connected with a lifting frame, the bottoms of the two ends of the lifting frame are fixedly connected with the two guide posts, a pressing device is arranged between the lifting frame and the guide sleeves, slide rails are arranged on the side surfaces of the two ends of the lifting frame, slide blocks are arranged on the slide rails, and telescopic connecting pieces are arranged on the surfaces of the slide blocks, so that the problem that the access cover is easy to fall off due to the fact that the access cover shakes left and right in the lifting process of the access cover by the existing access cover lifter is avoided by arranging the guide posts and the guide sleeves, the stability of the access, the device is suitable for access covers of different specifications.
Description
Technical Field
The utility model relates to a lifting means technical field specifically is an access cover lifting mechanism.
Background
At present, the aviation service ground well that uses is of a great variety, no matter the shaft or the flip well does not have dedicated access cover lifting mechanism, can also be with the help of the driving indoors, and outdoor just all depends on the manpower, and intensity of labour is big and promote inconveniently, and current access cover lifting mechanism in the lifting process access cover can rock and lead to promoting unstable inadequately to be not suitable for the access cover of different specifications.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
(two) to prior art not enough, the utility model provides an access cover lifting mechanism upwards promotes the crane through the riser, and guide pillar and guide pin bushing relative slip set up closing device between guide pin bushing and crane, set up slide rail and slider on the crane, set up telescopic connection spare on the slider, this device can just can promote the access cover without the manpower, promotes the in-process very stable and be applicable to the access cover of different specifications.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an access cover lifting mechanism, includes the frame, the frame upper surface is provided with the guide pillar, two the peripheral cover of guide pillar is equipped with the guide pin bushing, two be provided with the riser between the guide pillar, the expansion end fixedly connected with crane of riser, the crane bottom with two guide pillar fixed connection, the crane with be provided with closing device between the guide pin bushing, closing device includes the second connecting rod, second connecting rod one end articulates in the crane bottom, the second connecting rod other end articulates there is first connecting rod one end, the first connecting rod other end articulates the top of guide pin bushing, first connecting rod side fixedly connected with push rod one end, the push rod other end is provided with splint.
Through adopting above-mentioned technical scheme, the staff starts the riser, and the riser drives the crane and rises, and the crane drives the guide pillar and rises, and the second connecting rod rises along with the rising of crane, and the second connecting rod drives first connecting rod and rises, and first connecting rod drives the push rod upward movement to one side, and the push rod promotes splint and moves towards the guide pillar, and when the crane rises to the peak, the splint of guide pillar both sides compress tightly the guide pillar, give the guide pillar in order to support.
Preferably, the side surfaces of the two ends of the lifting frame are provided with slide rails, the rails of the slide rails are provided with slide blocks, the side surfaces of the slide blocks are provided with telescopic connecting pieces, each telescopic connecting piece comprises a supporting block, blind holes are formed in the supporting blocks, telescopic rods are inserted into the blind holes, the extending ends of the telescopic rods are provided with hooks, the side walls of the telescopic rods are provided with limiting grooves, the side walls of the supporting blocks are provided with through holes, limiting blocks are arranged in the through holes, and the limiting blocks are matched with the.
Through adopting above-mentioned technical scheme, the staff is according to the position of the big or small adjustment sliding block of access cover specification, then draws out the stopper, and the length of adjustment telescopic link, after having adjusted, inserts the through-hole with the stopper and gets into the spacing groove, fixes the telescopic link, then will access cover and couple through the cable wire and be connected for the cable wire keeps perpendicular, and the telescopic link drives the cable wire and promotes, makes to promote more stable.
Preferably, a plurality of first threaded holes are formed between the rails of the sliding rail, a plurality of second threaded holes are formed in the sliding block, and the second threaded holes are the same as the first threaded holes in diameter.
Through adopting above-mentioned technical scheme, remove the slider and can pass through on second screw hole and the first screw hole with the slider fixed crane with the bolt after corresponding position.
Preferably, the side wall of the limiting block is provided with a pull ring.
Through adopting above-mentioned technical scheme, conveniently pull out the stopper.
Preferably, a base is arranged between the lifter and the frame.
Through adopting above-mentioned technical scheme, the riser can be more stable when work.
Preferably, the guide pillar is in clearance fit with the guide sleeve.
Through adopting above-mentioned technical scheme, the guide pillar can slide in the guide pin bushing to can add emollient in the clearance, make the guide pillar slide more smoothly.
Preferably, the lifter is a hydraulic jack.
Through adopting above-mentioned technical scheme, hydraulic jack is with low costs to lifting force that can be great.
Preferably, the lower end of the frame is provided with a fixable supporting wheel.
Through adopting above-mentioned technical scheme, the supporting wheel is used for supporting whole equipment, is convenient for remove, moves to corresponding position and can fix.
Preferably, a handle is arranged on the frame.
Through adopting above-mentioned technical scheme, the handle is fixed in the frame for promote whole equipment.
The utility model discloses possess following beneficial effect: through the fit clearance of guide pillar guide pin bushing and the device that steps up between guide pin bushing and the crane, improved the anti swing intensity of riser for the promotion process is more stable, sets up slide rail and slider, sets up telescopic connection spare on the slider on the crane, thereby can make this device be used for connecting the access cover of different specifications, has increased the suitability of this device.
Drawings
FIG. 1 is a schematic view of embodiment 1 of the present invention;
fig. 2 is a schematic view of the compressing device of the present invention;
FIG. 3 is a schematic structural view of the present invention;
fig. 4 is a left side view structure diagram of the present invention;
fig. 5 is a schematic top view of the present invention;
fig. 6 is a schematic structural view of the slide rail slider of the present invention;
FIG. 7 is a schematic view of the structure of the telescopic connection member of the present invention;
FIG. 8 is an enlarged schematic view of the telescopic connector of the present invention;
fig. 9 is a schematic view of the present invention.
In the figure: 1. a support wheel; 2. a frame; 3. a handle; 4. hooking; 5. a lifting frame; 6. a lifter; 7. a guide post; 8. a guide sleeve; 9. a base; 12. a slide rail; 13. a slider; 15. a support block; 16. blind holes; 18. a telescopic rod; 19. a limiting groove; 20. a through hole; 21. a limiting block; 22. a second threaded hole; 23. a first threaded hole; 24. a pull ring; 25. a first link; 26. a second link; 27. a push rod; 28. and (4) clamping the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
referring to fig. 1, an access cover lifter comprises a frame 2, wherein guide posts 7 are arranged on the upper surface of the frame 2, guide sleeves 8 are sleeved on the peripheries of the two guide posts 7, a lifter 6 is arranged between the two guide posts 7, a movable end of the lifter 6 is fixedly connected with a lifting frame 5, the bottom of the lifting frame 5 is fixedly connected with the two guide posts 7, a pressing device is arranged between the lifting frame 5 and the guide sleeves, the pressing device comprises a second connecting rod 26, one end of the second connecting rod 26 is hinged to the bottom of the lifting frame 5, the other end of the second connecting rod 26 is hinged to one end of a first connecting rod 25, the other end of the first connecting rod 25 is hinged to the top end of the guide sleeves 8, one end of a push rod 27 is fixedly connected to the side surface of the first connecting rod 25, the push rod is perpendicular to the first connecting rod, the other end of the push, the side walls of the two ends of the lifting frame are provided with hooks 4.
It should be noted that, as shown in fig. 2, the pressing devices are symmetrically arranged on two sides of the guide posts, and two sides of two guide posts are arranged.
The staff connects access cover and couple with the cable wire, start the riser, the riser drives the crane and rises, the crane drives the guide pillar and rises, the second connecting rod rises along with the rising of crane, the second connecting rod drives first connecting rod and rises, first connecting rod drives the push rod upward movement to one side, the push rod promotes splint and moves towards the guide pillar, when the crane rises to the peak, the second connecting rod is perpendicular with the crane, contained angle between first connecting rod and the guide pin bushing is 60 degrees, the splint of guide pillar both sides compress tightly the guide pillar, give the guide pillar in order to support, furthermore, the splint surface can set up the material of some increase frictional forces.
If there is not closing device, the strong point of crane only has the riser in center, if the maintenance lid is touched by the people and takes place to rock, the crane also can take place to rock, and then leads to the guide pillar to rock, though cause the guide pillar guide pin bushing bad easily, has had closing device, just can prevent that the guide pillar from rocking under above-mentioned condition, can prevent guide pillar guide pin bushing damage.
In addition, as shown in fig. 1, a base 9 is arranged between the lifter 6 and the frame 2, and the base 9 can be a damping base, so that the vibration caused by the lifter during working can be reduced, and the shaking of the access cover can be reduced.
It should be noted that the guide pillar 7 and the guide sleeve 8 are in clearance fit, and lubricant can be added into the clearance, so that the guide pillar can slide more smoothly in the guide sleeve.
It will be appreciated that the risers 6 are hydraulic jacks which are low cost and provide a large lifting force.
It should be noted that the lower end of the frame 2 is provided with the supporting wheel 1 which can be fixed, the supporting wheel 1 enables the device to be more conveniently moved, and the supporting wheel can be fixed when the device is moved above the access cover, so that the device is prevented from sliding.
It will be appreciated that the frame 2 is provided with a handle 3 which is fixed to the frame for pushing the whole apparatus.
In summary, the working principle of this embodiment is as follows: the operator pushes the equipment to the top of the access cover through the handle 3, basically, the equipment is locked by the access cover in the four-week period, the support wheel 1 is connected, the operator connects the access cover and the hook through a steel cable, the lifter is started, the lifter drives the lifting frame to ascend, the lifting frame drives the guide pillar to ascend, the second connecting rod ascends along with the ascending of the lifting frame, the second connecting rod drives the first connecting rod to ascend, the first connecting rod drives the push rod to move upwards in an inclined mode, the push rod pushes the clamping plates to move towards the guide pillar, when the lifting frame ascends to the highest point, the clamping plates on the two sides of the guide pillar compress the guide pillar, and the guide pillar is supported.
Example 2:
the lifting frame is further improved on the basis of the embodiment 1, as shown in fig. 3, 6 and 7, slide rails 12 are arranged on the side faces of two ends of the lifting frame 5, a slide block 13 is arranged on a track of the slide rails 12, a telescopic connecting piece is arranged on the side face of the slide block 13, the telescopic connecting piece comprises a supporting block 15, a blind hole 16 is formed in the supporting block 15, a telescopic rod 18 is inserted into the blind hole 16, a hook 4 is arranged at the extending end of the telescopic rod 18, a limiting groove 19 is formed in the side wall of the telescopic rod 18, a through hole 20 is formed in the side wall of the supporting block 15, a limiting block 21 is arranged in the through hole 20.
The staff is according to the position of the size adjustment sliding block of access cover specification, then draws out the stopper from the through-hole of backup pad lateral wall, and the length of adjustment telescopic link, after having adjusted, inserts the through-hole with the stopper and gets into the spacing groove, fixes the telescopic link, then is connected access cover and couple through the cable wire for the cable wire keeps perpendicular, and the telescopic link drives the cable wire and promotes, makes to promote more stably.
Further, as shown in fig. 7, a plurality of limiting grooves can be formed in two side walls of the telescopic rod, through holes are formed in two side walls of the supporting block, limiting blocks are arranged in the through holes, and the limiting blocks are matched with the limiting grooves, so that the telescopic rod can be fixed more firmly.
As shown in fig. 6, a plurality of first threaded holes 23 are formed between the rails of the slide rail, a plurality of second threaded holes 22 are formed in the slide block, the second threaded holes have the same diameter as the first threaded holes, and the slide block can be fixed on the lifting frame through the second threaded holes and the first threaded holes by bolts after the slide block is moved to a corresponding position.
It should be noted that, as shown in fig. 9, the moving position of the sliding block and the extending length of the telescopic rod are for the purpose of keeping the steel cable as vertical as possible between the lifting frame and the access cover, and the access cover is more stable during the lifting process.
Correspondingly, as shown in fig. 8, the side wall of the limiting block is provided with a pull ring 24, and the limiting block can be more conveniently extracted through the pull ring 24.
The working principle of the embodiment is as follows: when the manhole breaks down or the maintenance is achieved, workers need to go down into the body of the manhole, and at the moment, the access cover of the manhole needs to be opened and goes down from the access ladder of the access cover. Before this, the operator needs to use the equipment, the operator pushes the equipment above the access cover through the handle 3, the support wheel 1 is locked to the equipment in the four-week center of the access cover basically, the worker adjusts the position of the sliding block according to the size of the specification of the access cover, then the limiting block 21 is drawn out to adjust the length of the telescopic rod 18, after the adjustment is finished, the limiting block 21 is inserted into the through hole 20 to enter the limiting groove 19, the telescopic rod 18 is fixed, then the access cover is connected with the hook 4 through a steel cable, so that the steel cable is kept vertical, the lifter 6 is started, the movable end of the lifter 6 pushes the lifting frame 5 upwards, the lifting frame 5 drives the guide post 7 to slide upwards in the guide sleeve 8, so that the lifting is more stable, the telescopic rod 18 drives the steel cable to lift, and finally the maintenance cover is lifted, after the maintenance is finished, the lifter 6 is closed after people come out, and the maintenance cover descends under the self gravity.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An access cover lifter, characterized in that: the device comprises a rack (2), guide pillars (7) are arranged on the upper surface of the rack (2), a guide sleeve (8) is sleeved on the periphery of each of the two guide pillars (7), a lifter (6) is arranged between the two guide pillars (7), the movable end of the lifter (6) is fixedly connected with a lifting frame (5), the bottom of the lifting frame (5) is fixedly connected with the two guide pillars (7), a pressing device is arranged between the lifting frame (5) and the guide sleeve (8), the pressing device comprises a second connecting rod (26), one end of the second connecting rod (26) is hinged to the bottom of the lifting frame (5), the other end of the second connecting rod (26) is hinged to one end of a first connecting rod (25), the other end of the first connecting rod (25) is hinged to the top end of the guide sleeve (8), and the side surface of the first connecting rod (25) is fixedly connected, the other end of the push rod (27) is provided with a clamping plate (28).
2. An access cover lifter according to claim 1, wherein: the utility model discloses a crane, including crane (5), slide rail (12), slider (13) are provided with on the track of slide rail (12), slider (13) side is provided with telescopic connection spare, telescopic connection spare includes supporting shoe (15), be provided with blind hole (16) in supporting shoe (15), telescopic link (18) have been inserted in blind hole (16), telescopic link (18) stretch out the end and are provided with couple (4), telescopic link (18) lateral wall is provided with spacing groove (19), supporting shoe (15) lateral wall is provided with through-hole (20), be provided with stopper (21) in through-hole (20), stopper (21) with spacing groove (19) adaptation.
3. An access cover lifter according to claim 2, wherein: a plurality of first threaded holes (23) are formed between the rails of the sliding rail (12), a plurality of second threaded holes (22) are formed in the sliding block (13), and the second threaded holes (22) are identical to the first threaded holes (23) in aperture.
4. An access cover lifter according to claim 3, wherein: the side wall of the limiting block (21) is provided with a pull ring (24).
5. An access cover lifter according to claim 1, wherein: a base (9) is arranged between the lifter (6) and the frame (2).
6. An access cover lifter according to claim 1, wherein: the guide post (7) is in clearance fit with the guide sleeve (8).
7. An access cover lifter according to claim 1, wherein: the lifter (6) is a hydraulic jack.
8. An access cover lifter according to claim 1, wherein: the support wheel (1) that can fix is arranged at the lower end of the frame (2), and a handle (3) is arranged on the frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921311444.1U CN210366804U (en) | 2019-08-14 | 2019-08-14 | Access cover lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921311444.1U CN210366804U (en) | 2019-08-14 | 2019-08-14 | Access cover lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210366804U true CN210366804U (en) | 2020-04-21 |
Family
ID=70250442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921311444.1U Withdrawn - After Issue CN210366804U (en) | 2019-08-14 | 2019-08-14 | Access cover lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210366804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386570A (en) * | 2019-08-14 | 2019-10-29 | 成都克伏特航空设备有限公司 | A kind of access cover lifter and its application method |
-
2019
- 2019-08-14 CN CN201921311444.1U patent/CN210366804U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386570A (en) * | 2019-08-14 | 2019-10-29 | 成都克伏特航空设备有限公司 | A kind of access cover lifter and its application method |
| CN110386570B (en) * | 2019-08-14 | 2023-07-14 | 成都克伏特航空设备有限公司 | Access cover lifter and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200421 Effective date of abandoning: 20230714 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200421 Effective date of abandoning: 20230714 |