CN210636463U - Back counter weight flip well - Google Patents
Back counter weight flip well Download PDFInfo
- Publication number
- CN210636463U CN210636463U CN201921437183.8U CN201921437183U CN210636463U CN 210636463 U CN210636463 U CN 210636463U CN 201921437183 U CN201921437183 U CN 201921437183U CN 210636463 U CN210636463 U CN 210636463U
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- flip
- well
- cover
- hole
- blind hole
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- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000010030 laminating Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract 3
- 239000000428 dust Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000007306 turnover Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004540 pour-on Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model relates to an aviation service lift field, specifically be a back counter weight flip well, including setting up in underground ground well casing, ground well casing top is provided with the walling crib that communicates with the earth's surface, be provided with ground well lid on the walling crib, ground well lid one side sets up to flip structure, flip structure includes flip, the flip lower surface is connected with the bending form swinging boom, bending form swinging boom middle part through the round pin axle with the walling crib articulates, bending form swinging boom bottom fixedly connected with counterweight arm, counterweight arm bottom articulates there is the balancing weight, the counterweight arm top is provided with first blind hole; the manhole cover opposite side sets up to the access cover, be provided with the through-hole in the access cover, inside through-hole intercommunication ground and the manhole casing, be provided with fixing device on the through-hole, L shape slide bar top both sides still are provided with sealing device, the utility model discloses have the effect that prevents flip and open suddenly.
Description
Technical Field
The utility model relates to an aviation service lift field specifically is a back counter weight flip well.
Background
At present, service ground wells used by various airlines are generally divided into manual turnover ground wells and automatic lifting ground wells. Chinese patent No. CN201420811041.4 discloses a flip-type ground well device, which comprises: the hatch opening device comprises a hatch opening bracket, a rotating shaft bracket, a hatch opening cover, a hatch opening mounting plate, a manhole cover, a main frame and a balancing device; wherein the main frame is installed in the pit top that has pour on ground, is equipped with the pivot support on the main frame, and the main frame passes through the pivot support and is connected with the hatch support, and the hatch board is equipped with to the one end of this hatch support, and the hatch mounting panel is equipped with in the middle of the hatch support, the other end swing joint balancing unit of hatch support. Adopt the weak point of the flip formula ground well of above-mentioned structure to lie in, the balancing weight keeps unsettled state after the hatch board closes, can give hatch board support a decurrent power always, wants to drive the hatch board and opens, in case the portable lock on the hatch board became invalid, the hatch board will be opened suddenly under the effect of balancing weight and hurt the staff.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a back counter weight flip well, through increasing fixing device for even flip is when portable lock became invalid, also can be fixed by fixing device, can not open suddenly and hinder the staff, fixing device's L shape slide linkage has sealing device, can prevent that the dust from getting into the underground well body from the through-hole that the access was covered, sets up safety device above fixing device, can prevent that the staff of passing by from touching L shape slide bar carelessly.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a rear counterweight flip well comprises a well casing arranged underground, wherein a well ring communicated with the earth surface is arranged at the top of the well casing, a well lid is arranged on the well ring, a flip structure is arranged on one side of the well lid and comprises a flip, a bent rotating arm is connected to the lower surface of the flip, the middle part of the bent rotating arm is hinged to the well ring through a pin shaft, a counterweight arm is fixedly connected to the bottom end of the bent rotating arm, a counterweight block is hinged to the bottom of the counterweight arm, and a first blind hole is formed in the top of the counterweight block;
an access cover is arranged on the other side of the ground well cover, a through hole is formed in the access cover and is communicated with the ground and the inside of the ground well shell, a fixing device is arranged in the through hole and comprises a slide rail, the slide rail is arranged on the inner wall of the through hole, an L-shaped slide bar is arranged on the slide rail, the bottom end of the L-shaped slide bar is matched with the first blind hole, and a through hole extends from the top end of the L-shaped slide bar;
when the turning cover is in an open state, the bent rotating arm supports the turning cover to extend out of the underground well casing, the turning cover is perpendicular to the well ring, the counterweight arm is perpendicular to the bottom end of the bent rotating arm, the counterweight block is hinged to the bottom end of the counterweight arm, and the counterweight block is suspended in the underground well casing; when flip is in the closed condition, the form swinging boom of buckling gets into the ground well casing, flip with the walling crib laminating, the balancing weight top gets into the through-hole, L shape slide bar bottom inserts first blind hole.
Through adopting above-mentioned technical scheme, after the staff closed flip, the swinging boom rotation got into the ground well casing inside, and the counter weight arm can be rotatory along with the swinging boom, and the balancing weight is articulated with the counter weight arm, can keep perpendicular, and in the top of counter weight arm got into the through-hole in the access cover, then the slide bar slides, and the slide bar removes on the slide rail, and the slide bar bottom gets into first blind hole and can fix the counter weight arm.
Preferably, sealing devices are further arranged on two sides of the top end of the L-shaped sliding rod and comprise fixing columns, the two fixing columns are symmetrically arranged on two sides of the through hole, a telescopic plate is arranged in each fixing column, and the movable end of each telescopic plate is connected with the side face of the top end of the L-shaped sliding rod.
Through adopting above-mentioned technical scheme, when the slide bar slided from side to side on the slide rail, the expansion plate of both sides can stretch out and draw back thereupon or stretch, seals the through-hole top completely all the time to avoid the dust to pass through the through-hole and get into the underground well body.
Preferably, the top of the fixed column is provided with a second blind hole, the inner wall of the blind hole is symmetrically provided with an elastic part, the elastic part is connected with a clamping plate, the top end of the clamping plate is arc-shaped, a sealing cover is arranged above the fixed column, and the bottom end of the sealing cover is matched with the inlet of the second blind hole.
Through adopting above-mentioned technical scheme, splint can remove in the second blind hole under the effect of elastic component, and when the bottom of sealed lid got into the second blind hole, can extrude splint to the shrink of second blind hole inner wall direction, and the elastic component can give splint a reverse elasticity, and splint can press from both sides tight fixed with sealed bottom.
Preferably, a handle is arranged above the sealing cover.
Through adopting above-mentioned technical scheme, can conveniently open sealed lid more.
Preferably, the second blind hole is in an inverted T shape.
Preferably, the elastic member is a strong spring.
Through adopting above-mentioned technical scheme, can improve the clamp power of splint.
Preferably, a portable lock is arranged on the flip cover.
By adopting the technical scheme, the flip cover is locked by the portable lock after being closed.
Preferably, the flip cover and the access cover are square
The utility model discloses possess following beneficial effect:
1. through increasing fixing device, after flip closed, it is fixed with the balancing weight, prevent that portable lock inefficacy flip from opening suddenly and causing the staff to harm.
2. By adding the sealing device on the fixing device, dust is prevented from entering the underground well body through the through hole of the access cover.
3. Through set up safety device above fixing device, can prevent that the staff that crosses from touching fixing device by accident for fixing device opens.
Drawings
Fig. 1 is a schematic view of the flip open structure of the present invention;
fig. 2 is a schematic view of the flip-open structure of the present invention;
FIG. 3 is an enlarged schematic view of part A of the present invention;
FIG. 4 is a schematic structural view of the sealing device of the present invention;
fig. 5 is a schematic top view of the present invention;
fig. 6 is a schematic side view of the present invention.
In the figure: 1. a well casing; 2. a well ring; 4. a cover is turned; 5. a swing arm; 7. a counterweight arm; 8. a balancing weight; 9. an access cover; 10. a through hole; 11. a slide rail; 12. an L-shaped sliding rod; 13. fixing a column; 14. a retractable plate; 15. a first blind hole; 16. a second blind hole; 17. a handle; 18. an elastic member; 19. a splint; 20. a sealing cover; 21. provided is a hand-held lock.
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:
please refer to fig. 1, a back counter weight flip well, including setting up in underground ground well casing 1, 1 top of ground well casing is provided with well circle 2 communicating with the earth's surface, be provided with the ground well lid on the well circle 2, ground well lid one side sets up to flip structure, flip structure includes flip 4, flip 4 lower surface is connected with the form swinging boom of buckling, 5 middle parts of the form swinging boom of buckling through the round pin axle with well circle 2 is articulated, the form swinging boom bottom fixedly connected with counter weight arm 7 of buckling, 7 bottom hinges of counter weight arm have balancing weight 8, 7 tops of counter weight arm are provided with first blind hole 15.
After the staff opened flip 4, swinging boom fixedly connected with counter weight arm, counter weight arm articulated have the balancing weight, and under the action of gravity of balancing weight, flip 4 can keep the open mode, can not close suddenly.
It should be noted that, be provided with the portable lock 21 on flip 4, can make things convenient for flip's locking, but the balancing weight keeps unsettled state after flip closes, can give a decurrent power of counter weight arm always, wants to drive flip to open, in case the portable lock on flip became invalid, flip will open suddenly under the effect of balancing weight and injure the staff.
Example 2:
on the basis of example 1, the following improvements are made: as shown in fig. 2, an access cover 9 is arranged on the other side of the manhole cover, a through hole 10 is arranged in the access cover 9, the through hole 10 is communicated with the ground and the inside of the manhole shell 1, and a fixing device is arranged in the through hole 10.
The access cover is arranged beside the walling crib and is used as a passage for maintenance and can play a certain bearing role.
As shown in fig. 3, the fixing device includes a slide rail 11, the slide rail 11 is disposed on an inner wall of the through hole 10, an L-shaped slide bar 12 is disposed on the slide rail 11, a bottom end of the L-shaped slide bar 12 is adapted to the first blind hole 15, and a top end of the L-shaped slide bar 12 extends out of the through hole 10.
After the flip cover is closed, the rotating arm rotates to enter the inside of the ground well shell, the counterweight arm can rotate along with the rotating arm, the counterweight block is hinged to the counterweight arm and can keep vertical, the top end of the counterweight arm enters the through hole in the access cover, the slide rod is moved and moves on the slide rail, the bottom end of the slide rod enters the first blind hole in the top end of the counterweight arm, the counterweight arm is fixed, and dust can enter the underground well body through the through hole because the through hole is communicated with the underground well body and the ground.
Correspondingly, as shown in fig. 4, sealing devices are further arranged on two sides of the top end of the L-shaped sliding rod 12, each sealing device includes two fixing columns 13, the two fixing columns 13 are symmetrically arranged on two sides of the through hole, a telescopic plate 14 is arranged in each fixing column 13, and a movable end of each telescopic plate 14 is connected with a side face of the top end of the L-shaped sliding rod 12.
The slide bar moves about on the slide rail, can drive the expansion plate of both sides flexible or tensile, the width of the expansion plate of slide bar both sides can keep off the through-hole top completely to prevent that the dust from passing through the through-hole and getting into the underground shaft body, but the top of slide bar is extending the exposure of through-hole subaerial side, so very easily by the staff of passing by carelessly play or touch and cause the slide bar to slide, consequently, as shown in fig. 4, fixed column 13 top is provided with second blind hole 16, the blind hole inner wall symmetry is provided with elastic component 18, elastic component 18 is connected with splint 19, splint 19 top is the arc, fixed column 13 top is provided with sealed lid 20, the bottom of sealed lid 20 with the adaptation of second blind hole 16 entry.
Set up the top of splint into the arc, like this when inserting sealed lid bottom, splint will compress to second blind hole inner wall both sides, and sealed lid bottom just can get into the second through-hole, then splint fix for a clamp power in sealed lid bottom under the effect of elastic component for sealed lid can not open easily.
It will be appreciated that a handle 17 is provided above the sealing lid 20 to enable the person to open the sealing lid.
It should be noted that the second blind hole 16 is shaped like an inverted T.
It will be appreciated that the resilient member 18 is a strong spring, and that the provision of a strong spring on the resilient member ensures that the closure cap is more securely retained.
It should be noted that the flip cover and the access cover are square.
The working principle of the embodiment is as follows: before the worker opens the turnover cover, the sealing cover is pulled out of the second blind hole through the handle, then the sliding rod slides to slide the bottom end of the sliding rod out of the first blind hole, then the portable lock is opened, the turnover cover can be opened easily under the action of the counterweight block, and the counterweight block provides downward gravity for the counterweight arm, so that the turnover cover is always kept in an open state; after a worker closes the turnover cover, the rotating arm rotates to enter the interior of the ground well shell, the counterweight arm rotates along with the rotating arm, the counterweight block is hinged with the counterweight arm and can keep vertical, the top end of the counterweight arm enters a through hole in the access cover, the slide rod is moved on the slide rail, the bottom end of the slide rod enters a first blind hole at the top end of the counterweight arm to fix the counterweight arm, dust can enter the underground well body through the through hole because the through hole is communicated with the ground, therefore, the two sides of the slide rod are provided with the retractable plates, the slide rod moves left and right on the slide rail to drive the retractable plates at the two sides to retract or stretch, the widths of the retractable plates at the two sides of the slide rod can completely block the upper part of the through hole, so that the dust is prevented from entering the underground well body through the through hole, but the top end of the slide rod extends out of the through hole and is exposed above the ground, therefore, therefore, the top end of the clamping plate is arranged to be arc-shaped, when the bottom end of the sealing cover is inserted, the clamping plate can be compressed towards two sides of the inner wall of the second blind hole, the bottom end of the sealing cover can enter the second through hole, and then the clamping force of the bottom end of the sealing cover is fixed by the clamping plate under the action of the elastic part, so that the sealing cover can not be opened easily.
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. The utility model provides a back counter weight flip well which characterized in that: the underground well is characterized by comprising a well casing (1) arranged underground, wherein the top of the well casing (1) is provided with a well ring (2) communicated with the earth surface, the well cover is arranged on the well ring (2), one side of the well cover is provided with a flip structure, the flip structure comprises a flip cover (4), the lower surface of the flip cover (4) is connected with a bent rotating arm (5), the middle part of the bent rotating arm (5) is hinged with the well ring (2) through a pin shaft, the bottom end of the bent rotating arm (5) is fixedly connected with a counterweight arm (7), the bottom of the counterweight arm (7) is hinged with a counterweight block (8), and the top of the counterweight block (8) is provided with a first blind hole (;
an access cover (9) is arranged on the other side of the manhole cover, a through hole (10) is formed in the access cover (9), the through hole (10) is communicated with the ground and the inside of the manhole shell (1), a fixing device is arranged in the through hole (10), the fixing device comprises a sliding rail (11), the sliding rail (11) is arranged on the inner wall of the through hole (10), an L-shaped sliding rod (12) is arranged on the sliding rail (11), the bottom end of the L-shaped sliding rod (12) is matched with the first blind hole (15), and the top end of the L-shaped sliding rod (12) extends out of the through hole (10);
when the turning cover (4) is in an open state, the bent rotating arm (5) supports the turning cover (4) to extend out of the ground well shell (1), the turning cover (4) is perpendicular to the well ring (2), the counterweight arm (7) is perpendicular to the bottom end of the bent rotating arm (5), the counterweight block (8) is hinged to the bottom end of the counterweight arm (7), and the counterweight block (8) is suspended in the ground well shell (1); when flip (4) is in the closed condition, form swinging boom (5) of buckling gets into ground well casing (1), flip (4) with walling crib (2) laminating, balancing weight (8) top gets into through-hole (10), L shape slide bar (12) bottom inserts first blind hole (15).
2. A rear weighted flip well as defined in claim 1, wherein: sealing devices are further arranged on two sides of the top end of the L-shaped sliding rod (12), each sealing device comprises fixing columns (13), the two fixing columns (13) are symmetrically arranged on two sides of the through hole (10), a telescopic plate (14) is arranged in each fixing column (13), and the movable end of each telescopic plate (14) is connected with the side face of the top end of the L-shaped sliding rod (12).
3. A rear weighted flip well as defined in claim 2, wherein: the top of the fixing column (13) is provided with a second blind hole (16), the inner wall of the blind hole is symmetrically provided with an elastic part (18), the elastic part (18) is connected with a clamping plate (19), the top end of the clamping plate (19) is arc-shaped, a sealing cover (20) is arranged above the fixing column (13), and the bottom end of the sealing cover (20) is matched with the inlet of the second blind hole (16).
4. A rear weighted flip well as defined in claim 3, wherein: a handle (17) is arranged above the sealing cover (20).
5. A rear weighted flip well as defined in claim 3, wherein: the second blind hole (16) is in an inverted T shape.
6. A rear weighted flip well as defined in claim 3, wherein: the elastic piece (18) is a strong spring.
7. A rear weighted flip well as defined in claim 1, wherein: the flip cover (4) is provided with a portable lock (21).
8. A rear weighted flip well as defined in claim 1, wherein: the turning cover (4) and the access cover (9) are square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437183.8U CN210636463U (en) | 2019-08-29 | 2019-08-29 | Back counter weight flip well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437183.8U CN210636463U (en) | 2019-08-29 | 2019-08-29 | Back counter weight flip well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210636463U true CN210636463U (en) | 2020-05-29 |
Family
ID=70793157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921437183.8U Withdrawn - After Issue CN210636463U (en) | 2019-08-29 | 2019-08-29 | Back counter weight flip well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210636463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528580A (en) * | 2019-08-29 | 2019-12-03 | 成都克伏特航空设备有限公司 | Counterweight flip lid well and its application method after a kind of |
-
2019
- 2019-08-29 CN CN201921437183.8U patent/CN210636463U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528580A (en) * | 2019-08-29 | 2019-12-03 | 成都克伏特航空设备有限公司 | Counterweight flip lid well and its application method after a kind of |
| CN110528580B (en) * | 2019-08-29 | 2024-02-27 | 成都克伏特航空设备有限公司 | Rear counterweight flip well 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 |
Granted publication date: 20200529 Effective date of abandoning: 20240227 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200529 Effective date of abandoning: 20240227 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |