CN203130681U - Novel pressing device under liquid - Google Patents
Novel pressing device under liquid Download PDFInfo
- Publication number
- CN203130681U CN203130681U CN 201320097760 CN201320097760U CN203130681U CN 203130681 U CN203130681 U CN 203130681U CN 201320097760 CN201320097760 CN 201320097760 CN 201320097760 U CN201320097760 U CN 201320097760U CN 203130681 U CN203130681 U CN 203130681U
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- CN
- China
- Prior art keywords
- screw rod
- hold
- down gag
- novel liquid
- hold down
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- 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- Withdrawn - After Issue
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Abstract
The utility model discloses a novel pressing device under liquid. The novel pressing device comprises a pressing mechanism, a connecting mechanism and a fixed mechanism. The fixed mechanism is fixed above the liquid level, and the pressing mechanism and the connecting mechanism are arranged on the fixed mechanism. The connecting mechanism is arranged at the lower end of the pressing mechanism and extends below the liquid level to contact an underwater device and butt against the underwater device tightly. The pressing mechanism is arranged above the connecting mechanism and used for generating pretightening force by compressing a compression spring to butt against the connecting mechanism tightly. The novel pressing device under the liquid has the advantage that a relation between the elasticity of the compression spring and the compressed length is calculated in advance, the pretightening force on the underwater device can be controlled precisely in actual application, and the generated pretightening force is even and can be controlled precisely. The whole device is compact in structure and stable in working performance and can be installed on a wall or the ground, components are simple in structure and easy to machine, and the device has good practicality.
Description
Technical field
The utility model relates to equipment positioning device under a kind of liquid, is specifically related to hold down gag under a kind of novel liquid.
Background technique
Over nearly 30 years, China's economic scale sustainable growth, various places urbanization construction is accelerated, and this has promoted the expansion of the circulation improvement market demand.Be accompanied by the construction of large amount of sewage treatment plant, the improvement for the treatment of process such as sewage and raising are had higher requirement to environmental protection equipment.For the key equipment in the biochemical flow processing process of sewage---the client is being perplexed in the reliable installation of diving impeller always, because the diving impeller develops towards the direction of big blade, high thrust, fixing, compressing also and have higher requirement for the diving impeller.
The means of fixation that generally adopts is for relying on underwater installation from reposition and compressing in the market, and this mode is because the restriction ubiquity operation of pretightening force size is not steady, and it is poor to vibrate big, anti-liquid flow disturbance.This just requires, and hold down gag can position, compress underwater installation on liquid level under a kind of novel liquid, applies the pretightening force of certain predetermined.
The model utility content
The purpose of this utility model is to provide hold down gag under a kind of novel liquid, by adopting the accumulation of energy of screw rod control holddown spring, underwater installation is compressed, overcome the shortcoming of above-mentioned underwater installation deadweight positioning trip shakiness, poor anti jamming capability, thereby realized the purpose of this utility model.
The technical problem that the utility model solves can realize by the following technical solutions:
Hold down gag under a kind of novel liquid, it is located at liquid level top and fixing for underwater installation is pushed against, wherein:
Hold down gag comprises hold-down mechanism, bindiny mechanism and fixed mechanism under the novel liquid, wherein:
Fixed mechanism is fixed in the liquid level top, and hold-down mechanism, bindiny mechanism are located on this fixed mechanism;
Bindiny mechanism is located at the hold-down mechanism lower end and stretches into the liquid level below, is used for the contact underwater installation, and this underwater installation is pushed against;
Hold-down mechanism is located at the bindiny mechanism top, for generation of pretightening force this bindiny mechanism is pushed against, this hold-down mechanism comprises a screw rod, upper and lower presenting a theatrical performance as the last item on a programme and a holddown spring, wherein, screw rod passes from the upper and lower center of presenting a theatrical performance as the last item on a programme and the bindiny mechanism below it is pushed against, and is provided with screw thread ordinatedly between this screw rod and the bottom platen; Holddown spring is for generation of pretightening force, and it is set between upper and lower the presenting a theatrical performance as the last item on a programme on this screw rod; Upper holder is fixedlyed connected with fixed mechanism, and bottom platen engages with fixed mechanism, and can be mobile in the axial direction with respect to this fixed mechanism, thus the compression holddown spring.
In a preferred embodiment of the present utility model, bottom platen is specially a gland nut, and this gland nut periphery is Hexagon, and fixed mechanism is provided with the tubulose limiting stopper that a cross section is semi-enclosed U-shaped, hollow, gland nut is placed in this limiting stopper, and engages with the inwall of limiting stopper.
In a preferred embodiment of the present utility model, also be provided with a pointer on the bottom platen, the other scale that is provided with the power that produces for the expression holddown spring of pointer.
In a preferred embodiment of the present utility model, fixed mechanism specifically comprises a fixed support and is located at connecting plate on this fixed support, offers some for the bolt hole that fixes with ground, wall on the connecting plate.
In a preferred embodiment of the present utility model, bindiny mechanism specifically comprises a guide rod, this lower end of the guide rod and underwater installation are connected, guide rod upper end internal fixation is provided with a guide rail link press span, screw rod and this guide rail link press span axial restraint, and guide rail link press span rotation in the horizontal direction relatively.
Need to prove that especially the screw rod bottom is provided with a pair of setscrew nut that is welded on this screw rod, guide rail link press span upper end is provided with an end face, and this end face is located between this a pair of setscrew nut.
Need to prove especially, all offer through hole on guide rod, the guide rail link press span, be provided with the socket head screw of fixing for guide rod, guide rail link press span in the through hole.
In a preferred embodiment of the present utility model, the nut that screw tip is provided with a pair of reverse setting, pushes against mutually rotates screw rod by turning this a pair of nut.
In a preferred embodiment of the present utility model, the part of screw rod below bottom platen is arranged with a hollow tube, and this hollow tube is fixedlyed connected with fixed mechanism.
The beneficial effects of the utility model are:
The elastic force of holddown spring and the relation between the reduction length can accurately be controlled the pretightening force size to underwater installation through calculated in advance in practice, and the pretightening force that produces size evenly, can accurately control pretightening force; Whole apparatus structure compactness, stable work in work is convenient to be installed on wall or the ground, and modular construction simply is easy to processing, has stronger practicability.
Description of drawings
Fig. 1 is hold down gag overall structure figure in the specific implementation under a kind of novel liquid described in the utility model.
Fig. 2 is hold-down mechanism part described in the utility model structural representation in the specific implementation.
Fig. 3 is the schematic representation of A-A direction among Fig. 2.
Fig. 4 is fixed mechanism part described in the utility model structural representation in the specific implementation.
Fig. 5 is the schematic representation of B-B direction among Fig. 2.
Fig. 6 is gland nut described in the utility model structural representation in the specific implementation.
Fig. 7 is the gland nut described in the utility model schematic representation of Hexagon periphery in the specific implementation.
Fig. 8 is gland nut described in the utility model sectional view in the specific implementation.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
As shown in Figure 1, hold down gag comprises hold-down mechanism 100, bindiny mechanism 200 and fixed mechanism 300 under a kind of novel liquid described in the utility model, wherein, hold-down mechanism 100 comprises screw rod 110, upper holder 140, gland nut 130, holddown spring 120, bindiny mechanism 200 comprises guide rod 210, guide rail link press span 220, and fixed mechanism comprises and compresses support 310, fixing frame 320.
As shown in Figures 2 and 3, fixed mechanism 300 comprises a vertically disposed fixed bearing 310, and these fixed bearing 310 upper and lower ends are respectively equipped with a projection 311,312, are arranged with upper holder 140 and limiting stopper 150 in this projection 311,312; These fixed bearing 310 right sides are provided with a fixing frame 320.
Fixed bearing 310 is provided with the scale 50 for expression holddown spring 120 compression dynamics sizes, and wherein, the pretightening force of holddown spring 120 is through measuring and calculating in advance, and the height of scale 50 is represented the pretightening force size that holddown spring 120 stores accordingly; This scale 50 is followed successively by red, green, red paster from top to bottom, the preset range of the pretightening force of green expression holddown spring 120, and the red paster zone at two ends is greater than or less than preset range for the pretightening force of holddown spring 120.
As shown in Figure 4, offer some bolts hole 321 on the fixing frame 320, by in these bolts hole 321, placing bolt, fixing frame 320 itself is fixed on the wall together with fixed bearing 310.
As shown in Figure 5, limiting stopper 150 is fixedlyed connected with fixed bearing 310, and this limiting stopper 150 comprises a boss 151, and boss 151 centers offer the hole of passing for screw rod 110 161; Limiting stopper 150 is located on this boss 151, and limiting stopper is that a cross section is the semiclosed hollow tube of U-shaped.
As Fig. 6, shown in Figure 7, gland nut 130 is located in the limiting stopper 150, these gland nut 130 tops are a boss 132, the lower end is provided with one orthohexagonal peripheral 135, this regular hexagon peripheral 135 matches with the inwall of limiting stopper 150, be specially, the inner diameter of limiting stopper 150 is slightly larger than the peripheral 135 narrow limits of regular hexagon, gland nut 130 is installed in the limiting stopper 150, gland nut 130 is stuck at circumferencial direction with limiting stopper 150, be that gland nut 130 can not rotate in limiting stopper 150, but still can motion vertically in limiting stopper 150.
As shown in Figure 8, gland nut 130 centers offer through hole 133, through hole 133 lower ends are internal thread 134, screw rod 110 passes from this through hole 133, and screw rod 110 also is being provided with screw thread with these internal thread 134 places of matching, screw rod 110 rotates, because gland nut 130 is stuck in the limiting stopper 150 and can't rotates, gland nut 130 just moves with respect to limiting stopper 150 in the axial direction.
Boss 132 sides of gland nut 130 also are provided with pointer 131, be used for be located at fixed mechanism 300 on scale 50 corresponding, be convenient to the pretightening force size that operator observe holddown spring 120.
The utility model is when concrete the use, and its working procedure comprises the steps:
1) turn nut 111,112, lead-screw 110 moves down, and the guide rod 210 of screw rod 110 bottoms promotion bindiny mechanism 200 is connected with underwater installation and agrees with;
2) bindiny mechanism 200 props up underwater installation, and this moment, screw rod 110 can't continue to move down screw rod 110 fixed-site in the axial direction;
3) thus continuing to turn nut 111,112 drives screw rods 110 rotations, this moment is owing to be provided with the screw thread that cooperatively interacts between screw rod 110 and the gland nut 130,130 limited 150 of gland nuts block, can't be along with screw rod 110 together rotates, and screw rod 110 invariant positions own, make gland nut 130 rise under the rotation of screw rod 110 drives, its boss 132 pushes against holddown spring 120 gradually, and pointer 131 indicated scales change immediately; The elastic force that holddown spring 120 produces reaches bindiny mechanism 200 as pretightening force by screw rod 110, thereby underwater installation is pushed against under liquid level.
In the present embodiment, the default pretightening force of holddown spring 120 is 3500N to 4000N, in the time of in this predefined value scope, the zone of pointer 131 on scale 50 is middle green portion, be greater than or less than predefined value, pointer 131 just points to the red area of green area top or below accordingly.
The elastic force of the holddown spring 120 in the utility model and the relation between the reduction length are through calculated in advance, in practice, can accurately control the pretightening force size to underwater installation, thereby by screw rod 110 turn gland nuts 130 holddown spring 120 that gradually reduces that rises, make that the pretightening force size that produces is even, and can accurately control, whole apparatus structure compactness, stable work in work, be convenient to be installed on wall or the ground, modular construction simply is easy to processing, has stronger practicability.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. hold down gag under the novel liquid, it is located at the liquid level top and is used for underwater installation is pushed against fixing, it is characterized in that:
Hold down gag comprises hold-down mechanism, bindiny mechanism and fixed mechanism under the described novel liquid, wherein:
Described fixed mechanism is fixed in the liquid level top, and described hold-down mechanism, bindiny mechanism are located on this fixed mechanism;
Described bindiny mechanism is located at described hold-down mechanism lower end and stretches into the liquid level below, is used for the described underwater installation of contact, and this underwater installation is pushed against;
Described hold-down mechanism is located at described bindiny mechanism top, for generation of pretightening force this bindiny mechanism is pushed against, this hold-down mechanism comprises a screw rod, upper and lower presenting a theatrical performance as the last item on a programme and a holddown spring, wherein, described screw rod passes from the upper and lower center of presenting a theatrical performance as the last item on a programme and the bindiny mechanism below it is pushed against, and is provided with screw thread ordinatedly between this screw rod and the described bottom platen; Described holddown spring is for generation of pretightening force, and it is set between upper and lower the presenting a theatrical performance as the last item on a programme on this screw rod; Described upper holder is fixedlyed connected with described fixed mechanism, and bottom platen engages with fixed mechanism, and can be mobile in the axial direction with respect to this fixed mechanism, thereby compresses described holddown spring.
2. hold down gag under a kind of novel liquid as claimed in claim 1, it is characterized in that, described bottom platen is specially a gland nut, this gland nut periphery is Hexagon, described fixed mechanism is provided with the tubulose limiting stopper that a cross section is semi-enclosed U-shaped, hollow, described gland nut is placed in this limiting stopper, and engages with the inwall of limiting stopper.
3. hold down gag under a kind of novel liquid as claimed in claim 1 is characterized in that, also is provided with a pointer on the described bottom platen, the other scale that is provided with the power that produces for the expression holddown spring of pointer.
4. hold down gag under a kind of novel liquid as claimed in claim 1, it is characterized in that, described fixed mechanism specifically comprises a fixed support and is located at connecting plate on this fixed support, offers some for the bolt hole that fixes with ground, wall on the described connecting plate.
5. hold down gag under a kind of novel liquid as claimed in claim 1, it is characterized in that, described bindiny mechanism specifically comprises a guide rod, this lower end of the guide rod and described underwater installation are connected, guide rod upper end internal fixation is provided with a guide rail link press span, described screw rod and this guide rail link press span axial restraint, and guide rail link press span rotation in the horizontal direction relatively.
6. hold down gag under a kind of novel liquid as claimed in claim 5 is characterized in that described screw rod bottom is provided with a pair of setscrew nut that is welded on this screw rod, and described guide rail link press span upper end is provided with an end face, and this end face is located between this a pair of setscrew nut.
7. hold down gag under a kind of novel liquid as claimed in claim 5 is characterized in that, all offers through hole on described guide rod, the guide rail link press span, is provided with the socket head screw of fixing for guide rod, guide rail link press span in the through hole.
8. hold down gag under a kind of novel liquid as claimed in claim 1 is characterized in that, the nut that described screw tip is provided with a pair of reverse setting, pushes against mutually rotates screw rod by turning this a pair of nut.
9. hold down gag under a kind of novel liquid as claimed in claim 1 is characterized in that the part of described screw rod below described bottom platen is arranged with a hollow tube, and this hollow tube is fixedlyed connected with described fixed mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097760 CN203130681U (en) | 2013-03-04 | 2013-03-04 | Novel pressing device under liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097760 CN203130681U (en) | 2013-03-04 | 2013-03-04 | Novel pressing device under liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130681U true CN203130681U (en) | 2013-08-14 |
Family
ID=48938661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320097760 Withdrawn - After Issue CN203130681U (en) | 2013-03-04 | 2013-03-04 | Novel pressing device under liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203130681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033453A (en) * | 2013-03-04 | 2014-09-10 | 上海凯泉泵业（集团）有限公司 | Underwater device compressing method and novel submerged compressing device |
-
2013
- 2013-03-04 CN CN 201320097760 patent/CN203130681U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033453A (en) * | 2013-03-04 | 2014-09-10 | 上海凯泉泵业（集团）有限公司 | Underwater device compressing method and novel submerged compressing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20160810 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |