CN202860835U - Sieve frame manual operation compression device - Google Patents
Sieve frame manual operation compression device Download PDFInfo
- Publication number
- CN202860835U CN202860835U CN 201220451465 CN201220451465U CN202860835U CN 202860835 U CN202860835 U CN 202860835U CN 201220451465 CN201220451465 CN 201220451465 CN 201220451465 U CN201220451465 U CN 201220451465U CN 202860835 U CN202860835 U CN 202860835U
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- CN
- China
- Prior art keywords
- sieve frame
- base plate
- sieve lattice
- compression
- compact heap
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a sieve frame manual operation compression device which comprises a machine shell and a sieve frame. The sieve frame is arranged inside the machine shell. A compressing block is arranged on the inner side of the machine shell. The compressing block compresses the sieve frame tightly through a compression bolt, and the lower end of the compressing block compresses the sieve frame tightly. A base plate is arranged on the outer side of the machine shell, a cover plate is arranged on the outer side of the base plate, and the compression bolt penetrates through the base plate, the cover plate and the machine shell. A movable check ring is arranged between the base plate and the compression bolt, and a small spring is arranged between the movable check ring and the compressing block. The compression bolt is provided with a guide sleeve in a penetrating mode, a big spring is arranged between the guide sleeve and the movable check ring, and the guide sleeve compresses the big spring tightly through a compression nut. According to the sieve frame manual operation compression device, the compression nut is screwed tightly in a manual mode, the compression nut and the compression bolt are matched with each other, so that the compression bolt can drive the compressing block to compress the sieve frame tightly, and thereby the defects of an existing air clamper are overcome. The sieve frame manual operation compression device is simple in structure, convenient to use, and meanwhile, capable of lowering the total cost of equipment and saving the use cost of the equipment.
Description
Technical field:
The utility model belongs to the screening mechanical equipment technical field, is specifically related to the manual hold down gag of sieve lattice of using on a kind of screening installation.
Background technology:
The sieve lattice are the requisite parts of grain screening installation, and sieve lattice hold down gag is the parts of gravity flow screen lattice, existing sieve lattice hold down gag is air clamper, the moving compact heap of moving belt that namely passes through the expansion link of cylinder compresses the sieve lattice, the air clamper complex structure, cost is high, virtually increases the production cost of equipment, and takies larger space.It is to adopt the sole bar angle compacted form that the sieve lattice that also have manually compress, but thrust is less, compresses unreliable, weak effect.
The utility model content:
In sum, in order to overcome the deficiency of prior art problem, the utility model provides a kind of sieve lattice manual hold down gag, it is by tightening clamp nut, and clamp nut and hold-down bolt cooperatively interact, and makes hold-down bolt drive compact heap and compresses the sieve lattice, simple in structure, easy to use, cost is low.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The manual hold down gag of a kind of sieve lattice, comprise casing and sieve lattice, the sieve lattice are arranged in the casing, wherein: described internal side of shell is provided with compact heap, compact heap compresses the sieve lattice by hold-down bolt, the compact heap lower end compresses the sieve lattice, the casing arranged outside has base plate, plate outer side is provided with cover plate, and hold-down bolt passes base plate, cover plate and casing are provided with movable back-up ring between base plate and the hold-down bolt, be provided with little spring between movable back-up ring and the compact heap, be coated with fairlead on the hold-down bolt, be provided with big spring between fairlead and the movable back-up ring, fairlead compresses big spring by clamp nut.
Further, described big spring and little spring are disk spring.
Further, be provided with guide finger between described compact heap and casing and the base plate.
Further, be provided with wear-resistant pad between described compact heap and the sieve lattice.
The beneficial effects of the utility model are:
1, the utility model is by manually tightening clamp nut, clamp nut and hold-down bolt cooperatively interact, make hold-down bolt drive compact heap and compress the sieve lattice, thereby improve the deficiency of existing air clamper, simple in structure, easy to use, reduce again simultaneously the totle drilling cost of equipment, save the use cost of equipment.
Description of drawings:
Fig. 1 is structural representation of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the manual hold down gag of a kind of sieve lattice, comprise casing 3 and sieve lattice 12, sieve lattice 12 are arranged in the casing 3, casing 3 inboards are provided with compact heap 1, compact heap 1 compresses casing 3 by hold-down bolt 9, compact heap 1 lower end compresses sieve lattice 12, is provided with wear-resistant pad 13 between compact heap 1 and the sieve lattice 12, and casing 3 arranged outside have base plate 4, be provided with guide finger 2 between compact heap 1 and casing 3 and the base plate 4, base plate 4 arranged outside have cover plate 5, and hold-down bolt 9 passes base plate 4, cover plate 5 and casing 3 are provided with movable back-up ring 10 between base plate 4 and the hold-down bolt 9, be provided with little spring 11 between movable back-up ring 10 and the compact heap 1, little spring 11 is disk spring, is coated with fairlead 7 on the hold-down bolt 9, is provided with big spring 6 between fairlead 7 and the movable back-up ring 10, fairlead 7 compresses big spring 6 by clamp nut 8, and big spring 6 is disk spring.
When needs compress sieve lattice 12, only need tighten clamp nut 8, clamp nut 8 drops hold-down bolt 9, and hold-down bolt 9 drives compact heap 1 and moves to casing 3 medial surfaces, presses to casing 3 medial surfaces thereby make compact heap 1 will sieve lattice 12, compresses sieve lattice 12.Clamp nut 8 is by fairlead 7 compression big springs 6 simultaneously, and compact heap 1 compresses little spring 11.
When needs unclamp sieve lattice 12, only need unclamp clamp nut 8, then, compact heap 1 resets under the effect of little spring 11 and big spring 6, thereby makes compact heap 1 away from sieve lattice 12, reaches the purpose of unclamping sieve lattice 12.
Be noted that, above-described embodiment is to the explanation of technical solutions of the utility model and unrestricted, other modification that is equal to replacement or makes according to prior art of affiliated technical field those of ordinary skill, as long as do not exceed thinking and the scope of technical solutions of the utility model, all should be included within the desired interest field of the utility model.
Claims (4)
1. one kind is sieved the manual hold down gag of lattice, comprise casing (3) and sieve lattice (12), sieve lattice (12) are arranged in the casing (3), it is characterized in that: described casing (3) inboard is provided with compact heap (1), compact heap (1) compresses sieve lattice (12) by hold-down bolt (9), compact heap (1) lower end compresses sieve lattice (12), casing (3) arranged outside has base plate (4), base plate (4) arranged outside has cover plate (5), hold-down bolt (9) passes base plate (4), cover plate (5) and casing (3), be provided with movable back-up ring (10) between base plate (4) and the hold-down bolt (9), be provided with little spring (11) between movable back-up ring (10) and the compact heap (1), be coated with fairlead (7) on the hold-down bolt (9), be provided with big spring (6) between fairlead (7) and the movable back-up ring (10), fairlead (7) compresses big spring (6) by clamp nut (8).
2. the manual hold down gag of sieve lattice according to claim 1, it is characterized in that: described big spring (6) and little spring (11) are disk spring.
3. the manual hold down gag of sieve lattice according to claim 1 is characterized in that: be provided with guide finger (2) between described compact heap (1) and casing (3) and the base plate (4).
4. the manual hold down gag of sieve lattice according to claim 1 is characterized in that: be provided with wear-resistant pad (13) between described compact heap (1) and the sieve lattice (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220451465 CN202860835U (en) | 2012-09-06 | 2012-09-06 | Sieve frame manual operation compression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220451465 CN202860835U (en) | 2012-09-06 | 2012-09-06 | Sieve frame manual operation compression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202860835U true CN202860835U (en) | 2013-04-10 |
Family
ID=48027594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220451465 Expired - Fee Related CN202860835U (en) | 2012-09-06 | 2012-09-06 | Sieve frame manual operation compression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202860835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495302A (en) * | 2013-10-18 | 2014-01-08 | 西南石油大学 | Quick screen net tensioning device of drilling fluid vibrating screen |
-
2012
- 2012-09-06 CN CN 201220451465 patent/CN202860835U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495302A (en) * | 2013-10-18 | 2014-01-08 | 西南石油大学 | Quick screen net tensioning device of drilling fluid vibrating screen |
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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: 20130410 Termination date: 20160906 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |