CN220215679U - Reliable screen tensioning mechanism - Google Patents
Reliable screen tensioning mechanism Download PDFInfo
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- CN220215679U CN220215679U CN202321624758.3U CN202321624758U CN220215679U CN 220215679 U CN220215679 U CN 220215679U CN 202321624758 U CN202321624758 U CN 202321624758U CN 220215679 U CN220215679 U CN 220215679U
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- rod
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- 230000006835 compression Effects 0.000 claims abstract description 53
- 238000007906 compression Methods 0.000 claims abstract description 53
- 239000004744 fabric Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 9
- 238000003825 pressing Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Abstract
The utility model discloses a reliable screen tensioning mechanism, which structurally comprises a tensioning beam, a tensioning hook, a compacting component, a tensioning spring, a base plate and a tensioning nut, wherein the tensioning hook comprises a hook body and a rod body, the compacting component is connected with one end of the rod body of the tensioning hook, the tensioning spring and the base plate are respectively sleeved with the tensioning hook rod, one end of the tensioning spring is abutted against one side of the compacting component, the other end of the tensioning spring is abutted against one side of the base plate, the tensioning nut is arranged on the other side of the base plate, the tensioning nut is in threaded connection with the rod body of the tensioning hook, and the free end of the rod body of the tensioning hook is provided with a cotter pin. The compression bolt passes through the bent plate and then is in threaded connection with the rod body, so that the stability of the tensioning hook in the tensioning process is ensured, and the rod body is prevented from being broken due to movement of the tensioning hook. Thereby realize screen cloth tensioning through tensioning nut's rotation pulling tensioning hook, guarantee to provide invariable tensioning force in the tensioning process through setting up tensioning spring.
Description
Technical Field
The utility model relates to the technical field of vibrating screens, in particular to a reliable screen tensioning mechanism.
Background
At present, tower sand making demands are larger and larger, a vibrating screen is used as important grading equipment, the working reliability and the service life of each part greatly influence products, and particularly, the screen mesh tension of the vibrating screen directly influences the quality of the products. At present, the tensioning of the screen is adjusted through screw tensioning, only the guiding of the screw is lacked in the tensioning process, the screw is easy to tilt, so that the tensioning workload is large, and in the working process, the tensioning screw nut can loose and fall off due to vibration, so that the influence on the follow-up production is caused in the falling raw materials.
Disclosure of Invention
The utility model aims to provide a reliable screen tensioning mechanism which is reasonable and compact in structure, and the firmness of fixing a tensioning hook is improved by arranging a compression bolt, so that one end of the tensioning hook is prevented from tilting when a section is tensioned, and the service lives of the tensioning hook and the screen are prolonged.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a reliable screen cloth straining device, its structure includes tensioning beam and tensioning hook, the tensioning hook is located the upper portion of tensioning beam, the tensioning hook includes the coupler body and the body of rod, still includes compression subassembly, tensioning spring, backing plate and tensioning nut, compression subassembly is connected with the body of rod one end of tensioning hook, tensioning spring and backing plate are put with tensioning hook rod cover respectively, the one end of tensioning spring supports with one side of compression subassembly and leans on, the other end of tensioning spring supports with one side of backing plate and leans on, the opposite side of backing plate is equipped with tensioning nut, tensioning nut and the body of rod threaded connection of tensioning hook, the body of rod free end of tensioning hook is equipped with the cotter pin.
Further, the compression assembly comprises a compression bolt and a compression bolt fixing piece, the compression bolt fixing piece is connected with the tensioning hook, and the compression bolt penetrates through the compression bolt fixing piece to be in threaded connection with a threaded hole of the tensioning hook.
Further, the free end of the screw rod of the compression bolt is provided with a cotter pin for preventing the compression bolt from falling off from the compression bolt fixing piece.
Further, the compression bolt mounting includes riser and diaphragm, the one end of riser is connected perpendicularly with the one end of diaphragm, the riser center is equipped with the through-hole of being connected with the body of rod cover of tensioning hook, the center of diaphragm is equipped with the through-hole that is greater than compression bolt screw diameter.
Further, the backing plate includes tensioning spring butt plate and sleeve, the sleeve is located one side of tensioning spring butt plate, and sleeve and tensioning spring butt plate coaxial, sleeve and tensioning hook's body of rod activity sleeve are put, tensioning spring butt plate's diameter is greater than the spring diameter.
Further, the tensioning nut is a double nut.
The utility model has the beneficial effects that:
according to the screen tensioning mechanism, the compression bolt is arranged at one end of the rod body of the tensioning hook, and the compression bolt penetrates through the bent plate and is in threaded connection with the rod body, so that stability of the tensioning hook in the tensioning process is guaranteed, and the rod body is prevented from being broken due to movement of the tensioning hook. Because the compression nut is connected to the tensioning hook rod body through threads, the compression nut adopts double nuts, the tensioning hook is pulled through rotation of the tensioning nut, so that the screen tensioning is realized, and constant tensioning force is provided in the tensioning process through the tensioning spring.
Through penetrating the cotter pin through the compression bolt, the bolt can be ensured to be loose and cannot fall into materials from the bending plate; because the cotter pin is penetrated at the free end of the tensioning hook rod body, the tensioning nut can not fall into the material after loosening, and the protection effect on the raw material and the subsequent working procedures is achieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a partial structure of a tensioning hook;
FIG. 3 is a schematic view of a mounting structure of a compression bolt and a fixing member;
fig. 4 is a schematic view of the structure of the compression bolt fixing member.
In the figure:
1 compression bolt, 2 screen cloth, 3 tensioning beam, 4 cotter pin, 5 tensioning spring, 6 backing plate, 61 tensioning spring abutment plate, 62 sleeve, 7 tensioning hook, 8, tensioning nut, 9 compression bolt mounting, 91 bent plate, 92 through-hole.
Detailed Description
A reliable screen tensioning mechanism according to the utility model is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the structure of the reliable screen tensioning mechanism comprises a tensioning beam 3 and a tensioning hook 7, wherein the tensioning hook 7 consists of a hook body and a rod body, one side of the rod body is provided with a screw rod, and the tensioning hook 7 is arranged at the upper part of the tensioning beam 3; the tensioning mechanism further comprises a pressing component which can conduct guiding and fixing effects on the rod body of the tensioning hook, a tensioning spring 5 which adjusts the tensioning force of the vibrating screen, a base plate 6 and a tensioning nut 8, wherein the pressing component is connected with one end of the rod body of the tensioning hook 3 through bolts, and the rod body is prevented from tilting to enable the rod body to move along the tensioning direction. The tensioning spring 5 and the backing plate are respectively sleeved with the tensioning hook rod body, one end of the tensioning spring 5 abuts against one side of the pressing component, the other end of the tensioning spring 5 abuts against one side of the backing plate 6, the tensioning nut 8 is arranged on the other side of the backing plate 6, the tensioning nut 8 is in threaded connection with the rod body of the tensioning hook 7, the backing plate 6 is driven to axially move along the tensioning hook rod body through rotating the tensioning nut 8, stretching or pressing of the tensioning spring 5 is achieved, and finally tensioning of the vibrating screen is adjusted.
In order to prevent the tensioning nut from falling off from the tensioning hook rod body after being loosened due to vibration, the free end of the tensioning hook rod body is provided with a cotter pin 4, and the cotter pin 4 is used for preventing the tensioning nut 8 from falling off from the tensioning hook 3 and then mixing in raw materials, so that the quality of a product is affected.
The compression assembly comprises a compression bolt 1 and a compression bolt fixing piece 9, the compression bolt fixing piece 9 is connected with the tensioning hook 7, and the compression bolt 1 penetrates through the compression bolt fixing piece 9 to be in threaded connection with a threaded hole of the tensioning hook 7. The compression bolt mounting 9 includes riser and diaphragm, the one end of riser is connected perpendicularly with the one end of diaphragm, the riser center is equipped with the through-hole of being connected with the body of rod cover of tensioning hook 7, the center of diaphragm is equipped with the through-hole that is greater than compression bolt screw diameter. The diameter of the through hole is larger than that of a screw rod of the compression bolt, the compression bolt can smoothly pass through the compression bolt fixing piece and be in threaded connection with a threaded hole on the tensioning hook, in order to prevent the compression bolt 1 from loosening and falling off from the compression bolt fixing piece 9, the free end of the screw rod of the compression bolt is provided with a cotter pin 4, and the cotter pin 4 is larger than that of the through hole on a transverse plate of the compression bolt fixing piece, so that if the compression bolt is loosened due to vibration, the compression bolt cannot fall off from the through hole, and the compression bolt is prevented from falling off from the raw material to affect the subsequent production.
The backing plate 6 comprises a tensioning spring abutting plate 61 and a sleeve 62, the sleeve 62 is arranged on one side of the tensioning spring abutting plate 61, the sleeve 62 is coaxial with the tensioning spring abutting plate 61, the sleeve 62 is movably sleeved with a rod body of the tensioning hook 7, the sleeve axially moves along the rod body of the tensioning hook along with rotation of the tensioning nut 8, and the diameter of the tensioning spring abutting plate 61 is larger than that of the spring.
In order to improve the reliability of the threaded connection of the tensioning nut and the rod body of the tensioning hook, the tensioning nut is double-nut, and the loosening phenomenon of the tensioning nut caused by vibration can be reduced.
According to the screen tensioning mechanism, the screw rod is pressed through the pressing assembly, so that stability in a tensioning process is guaranteed, and the screw rod is prevented from being broken due to movement of the screw rod. Through the cotter pin penetrating through the compression bolt, the bolt can be ensured to be loose and not fall into the material, and the cotter pin penetrating through the head of the screw rod can ensure that the tensioning nut cannot fall into the material after being loose, so that the protection effect is achieved on the raw materials and subsequent procedures.
The foregoing is provided by way of illustration of the principles of the present utility model, and is not intended to be limited to the specific constructions and applications illustrated herein, but rather to all modifications and equivalents which may be utilized as fall within the scope of the utility model as defined in the claims.
The technical features are known to those skilled in the art except the technical features described in the specification.
Claims (5)
1. The utility model provides a reliable screen cloth straining device, includes tensioning beam and tensioning hook, the tensioning hook locates the upper portion of tensioning beam, the tensioning hook includes the coupler body and the body of rod, characterized by still includes compression subassembly, tensioning spring, backing plate and tensioning nut, compression subassembly is connected with the body of rod one end of tensioning hook, tensioning spring and backing plate are put with tensioning hook rod cover respectively, the one end of tensioning spring is supported with one side of compression subassembly, the other end of tensioning spring supports with one side of backing plate and leans on, the opposite side of backing plate is equipped with tensioning nut, tensioning nut and the body of rod threaded connection of tensioning hook, the body of rod free end of tensioning hook is equipped with the cotter pin, compression subassembly includes compression bolt and compression bolt mounting, compression bolt mounting and tensioning hook connection, compression bolt passes compression bolt mounting and the screw hole threaded connection of tensioning hook.
2. A reliable screen tensioning mechanism according to claim 1, wherein the free end of the screw of the hold-down bolt is provided with a cotter pin which prevents removal from the hold-down bolt mount.
3. The reliable screen tensioning mechanism of claim 1, wherein the hold-down bolt fastener comprises a riser and a cross plate, one end of the riser is vertically connected with one end of the cross plate, a through hole is formed in the center of the riser and is sleeved with a rod body of the tensioning hook, and a through hole with a diameter larger than that of a screw of the hold-down bolt is formed in the center of the cross plate.
4. The reliable screen tensioning mechanism of claim 1, wherein the backing plate comprises a tensioning spring abutment plate and a sleeve, the sleeve is arranged on one side of the tensioning spring abutment plate, the sleeve is coaxial with the tensioning spring abutment plate, the sleeve is movably sleeved with a rod body of the tensioning hook, and the diameter of the tensioning spring abutment plate is larger than that of the spring.
5. A reliable screen tensioning mechanism as in claim 1 wherein the tensioning nut is a double nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321624758.3U CN220215679U (en) | 2023-06-26 | 2023-06-26 | Reliable screen tensioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321624758.3U CN220215679U (en) | 2023-06-26 | 2023-06-26 | Reliable screen tensioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220215679U true CN220215679U (en) | 2023-12-22 |
Family
ID=89177778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321624758.3U Active CN220215679U (en) | 2023-06-26 | 2023-06-26 | Reliable screen tensioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220215679U (en) |
-
2023
- 2023-06-26 CN CN202321624758.3U patent/CN220215679U/en active Active
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