CN215171222U - Tensioning device for engineering machinery - Google Patents
Tensioning device for engineering machinery Download PDFInfo
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- CN215171222U CN215171222U CN202120594310.6U CN202120594310U CN215171222U CN 215171222 U CN215171222 U CN 215171222U CN 202120594310 U CN202120594310 U CN 202120594310U CN 215171222 U CN215171222 U CN 215171222U
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- fixed disk
- lower extreme
- engineering machinery
- tensioning device
- rod
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Abstract
The utility model discloses a tensioning device for engineering machinery, which belongs to the field of engineering machinery, and comprises a pulley, wherein the lower end of the pulley is provided with a rotary connecting assembly, the rotary connecting assembly comprises an inserted bar, a compression spring, a threaded column, a mounting seat, a first threaded sleeve and a fixed disk, the bottom end of the pulley is provided with the fixed disk, the inside of the fixed disk is provided with the inserted bar, the surface of the inserted bar is provided with the compression spring, the lower end of the fixed disk is provided with the threaded column, the lower end of the threaded column is provided with the mounting seat, the inside of the mounting seat is provided with the first threaded sleeve corresponding to the threaded column; the utility model discloses a set up rotatory coupling assembling, insert first thread bush with the screw thread post earlier, then rotate and make fixed disk and mount pad be close to, when treating that fixed disk and mount pad are close to, insert the locating hole with the inserted bar, make the connection between fixed disk and the mount pad more firm.
Description
Technical Field
The utility model belongs to the engineering machine tool field, concretely relates to engineering machine tool is with tight device that rises.
Background
Construction machinery is an important component of the chinese equipment industry. The method is mainly used in the fields of national defense construction engineering, transportation construction, energy industry construction and production, raw material industry construction and production of mines and the like, agriculture, forestry, water conservancy construction, industrial and civil buildings, urban construction, environmental protection and the like.
The prior art has the following problems: in the tensioning device for the engineering machinery disclosed in the chinese patent application No. 202020550503.7, the installation structure is complex, the steps are cumbersome, the spring cannot be replaced while the operation is not facilitated, and the spring is easily damaged after the number of times of use is too many, so that the use effect of the device can be affected.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an engineering machine tool is with tight device that rises has the installation convenient and can change the characteristics of spring.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an engineering machine tool is with rising tight device, includes the pulley, the lower extreme of pulley is provided with swivelling joint subassembly, swivelling joint subassembly includes inserted bar, compression spring, screw thread post, mount pad, first thread bush and fixed disk, wherein, the bottom of pulley is provided with the fixed disk, the inside of fixed disk is provided with the inserted bar, the surface of inserted bar is provided with compression spring, the lower extreme of fixed disk is provided with the screw thread post, the lower extreme of screw thread post is provided with the mount pad, the inside correspondence screw thread post of mount pad is provided with first thread bush.
Preferably, the inside of the mounting seat is symmetrically provided with positioning holes corresponding to the inserted rods.
Preferably, the fixed disc is provided with an installation cavity corresponding to the insertion rod.
Preferably, swivelling joint subassembly's lower extreme is provided with the hydro-cylinder, the surface of hydro-cylinder is provided with buffer spring, the lower extreme symmetry of hydro-cylinder is provided with the dismouting subassembly, the dismouting subassembly includes support column, T shape bolt, conical pointed end, rotary rod and fixing base, wherein, buffer spring one side symmetry is provided with the support column, the inside of support column is provided with T shape bolt, the lower extreme of T shape bolt is provided with the fixing base, the inside of fixing base corresponds T shape bolt and is provided with conical pointed end, one side that T shape bolt was kept away from to conical pointed end is provided with the rotary rod, the lower extreme of fixing base is provided with spacing dish, the lower extreme of spacing dish is provided with adjusting nut, adjusting nut's inside is provided with the cavity pull rod.
Preferably, a second thread sleeve is arranged in the fixed seat corresponding to the rotating rod.
Preferably, a rotating handle is arranged on one side of the rotating rod far away from the conical tip.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up rotatory coupling assembling, insert first thread bush with the screw thread post earlier, then rotate and make fixed disk and mount pad be close to, when treating that fixed disk and mount pad are close to, insert the locating hole with the inserted bar, make the connection between fixed disk and the mount pad more firm, improved the fastness of connecting, this structure convenient operation has saved operating time simultaneously, has improved the availability factor.
2. The utility model discloses a set up the dismouting subassembly, thereby rotate earlier adjusting nut and make spacing dish can remove, rotate the rotary rod again, make conical most advanced to remove, move the outside of T shape bolt until conical most advanced to can extract the support column, then directly take off buffer spring, the device simple structure, the operation is convenient, has improved the convenience of operation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention after the structure is separated;
fig. 3 is a schematic structural view of the rotating connection assembly of the present invention;
fig. 4 is a schematic structural view of the dismounting assembly of the present invention.
In the figure: 1. a pulley; 2. a rotating connection assembly; 21. inserting a rod; 22. a compression spring; 23. a threaded post; 24. a mounting seat; 25. a first threaded sleeve; 26. fixing the disc; 3. an oil cylinder; 4. disassembling and assembling the components; 41. a support pillar; 42. a T-bolt; 43. a conical tip; 44. rotating the rod; 45. a fixed seat; 5. a limiting disc; 6. adjusting the nut; 7. a hollow pull rod; 8. a buffer spring.
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.
Referring to fig. 1-4, the present invention provides the following technical solutions: a tensioning device for engineering machinery comprises a pulley 1, wherein a rotary connecting assembly 2 is arranged at the lower end of the pulley 1, the rotary connecting assembly 2 comprises an inserting rod 21, a compression spring 22, a threaded column 23, an installation seat 24, a first threaded sleeve 25 and a fixed disk 26, wherein a fixed disk 26 is arranged at the bottom end of the pulley 1, the inserting rod 21 is arranged inside the fixed disk 26, the compression spring 22 is arranged on the surface of the inserting rod 21, the threaded column 23 is arranged at the lower end of the fixed disk 26, the installation seat 24 is arranged at the lower end of the threaded column 23, the first threaded sleeve 25 is arranged inside the installation seat 24 corresponding to the threaded column 23, when the tensioning device is installed, the threaded column 23 is firstly inserted into the first threaded sleeve 25, then the fixed disk 26 and the installation seat 24 are rotated to enable the fixed disk 26 and the installation seat 24 to be close to each other, when the fixed disk 26 and the installation seat 24 are tightly attached to each other, the inserting rod 21 is inserted into a positioning hole, so that the fixed disk 26 and the installation seat 24 are connected more firmly, the firmness of connection is improved, and meanwhile, the structure is convenient to operate, the working time is saved, and the using efficiency is improved.
Specifically, positioning holes are symmetrically formed in the mounting seat 24 corresponding to the insertion rod 21.
By adopting the technical scheme, the inserting rod 21 is inserted into the positioning hole, so that the fixed disc 26 and the mounting seat 24 are connected more firmly, and the connection stability is improved.
Specifically, the fixed disk 26 is provided with a mounting cavity corresponding to the insertion rod 21.
Through adopting above-mentioned technical scheme, inserted bar 21 removes in the installation cavity, has improved the stability of removing.
Specifically, the lower extreme of swivelling joint subassembly 2 is provided with hydro-cylinder 3, the surface of hydro-cylinder 3 is provided with buffer spring 8, the lower extreme symmetry of hydro-cylinder 3 is provided with dismouting subassembly 4, dismouting subassembly 4 includes support column 41, T shape bolt 42, conical pointed end 43, rotary rod 44 and fixing base 45, wherein, buffer spring 8 one side symmetry is provided with support column 41, the inside of support column 41 is provided with T shape bolt 42, T shape bolt 42's lower extreme is provided with fixing base 45, the inside of fixing base 45 corresponds T shape bolt 42 and is provided with conical pointed end 43, one side that T shape bolt 42 was kept away from to conical pointed end 43 is provided with rotary rod 44, the lower extreme of fixing base 45 is provided with spacing dish 5, the lower extreme of spacing dish 5 is provided with adjusting nut 6, adjusting nut 6's inside is provided with cavity pull rod 7.
Through adopting above-mentioned technical scheme, when buffer spring 8 needs to be changed, thereby rotate adjusting nut 6 earlier and make spacing dish 5 can remove, rotate rotary rod 44 again, make conical tip 43 remove, move the outside of T shape bolt 42 until conical tip 43 to can extract support column 41, then directly take off buffer spring 8, the device simple structure, the operation is convenient, has improved the convenience of operation.
Specifically, the inside of the fixed seat 45 is provided with a second threaded sleeve corresponding to the rotating rod 44.
Through adopting above-mentioned technical scheme, the second thread bush can make the removal of rotary rod 44 more stable to the stability of removal has been improved.
Specifically, the side of the rotating rod 44 away from the conical tip 43 is provided with a rotating handle.
Through adopting above-mentioned technical scheme, rotatory handle is convenient for operating personnel to use, has improved the convenience of operation.
The utility model discloses a theory of operation and use flow: when the utility model is used, the threaded column 23 is inserted into the first threaded sleeve 25, then the fixed disc 26 is rotated to be close to the mounting seat 24, when the fixed disc 26 is tightly attached to the mounting seat 24, the inserted link 21 is inserted into the positioning hole, so that the connection between the fixed disc 26 and the mounting seat 24 is firmer, the firmness of the connection is improved, meanwhile, the structure is convenient to operate, the working time is saved, and the use efficiency is improved;
when buffer spring 8 needs to be changed, thereby rotate adjusting nut 6 earlier and make spacing dish 5 can remove, rotate rotary rod 44 again, make conical point 43 remove, move the outside of T shape bolt 42 until conical point 43 to can extract support column 41, then directly take off buffer spring 8, the device simple structure, the operation is convenient, has improved the convenience of operation.
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 (6)
1. The utility model provides an engineering machine tool is with tight device that rises, includes pulley (1), its characterized in that: the lower extreme of pulley (1) is provided with swivelling joint subassembly (2), swivelling joint subassembly (2) are including inserted bar (21), compression spring (22), screw thread post (23), mount pad (24), first thread bush (25) and fixed disk (26), wherein, the bottom of pulley (1) is provided with fixed disk (26), the inside of fixed disk (26) is provided with inserted bar (21), the surface of inserted bar (21) is provided with compression spring (22), the lower extreme of fixed disk (26) is provided with screw thread post (23), the lower extreme of screw thread post (23) is provided with mount pad (24), the inside of mount pad (24) corresponds screw thread post (23) and is provided with first thread bush (25).
2. The tensioning device for the engineering machinery as claimed in claim 1, wherein: positioning holes are symmetrically formed in the mounting seat (24) corresponding to the insertion rod (21).
3. The tensioning device for the engineering machinery as claimed in claim 1, wherein: the fixed disc (26) is provided with an installation cavity corresponding to the inserted rod (21).
4. The tensioning device for the engineering machinery as claimed in claim 1, wherein: the lower extreme of swivelling joint subassembly (2) is provided with hydro-cylinder (3), the surface of hydro-cylinder (3) is provided with buffer spring (8), the lower extreme symmetry of hydro-cylinder (3) is provided with dismouting subassembly (4), dismouting subassembly (4) are including support column (41), T shape bolt (42), conical pointed end (43), rotary rod (44) and fixing base (45), wherein, buffer spring (8) one side symmetry is provided with support column (41), the inside of support column (41) is provided with T shape bolt (42), the lower extreme of T shape bolt (42) is provided with fixing base (45), the inside of fixing base (45) corresponds T shape bolt (42) and is provided with conical pointed end (43), the one side that T shape bolt (42) was kept away from to conical pointed end (43) is provided with rotary rod (44), the lower extreme of fixing base (45) is provided with spacing dish (5), the lower extreme of spacing dish (5) is provided with adjusting nut (6), the inside of adjusting nut (6) is provided with cavity pull rod (7).
5. The tensioning device for the engineering machinery as claimed in claim 4, wherein: and a second thread sleeve is arranged in the fixed seat (45) corresponding to the rotating rod (44).
6. The tensioning device for the engineering machinery as claimed in claim 4, wherein: the side of the rotating rod (44) far away from the conical tip (43) is provided with a rotating handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120594310.6U CN215171222U (en) | 2021-03-23 | 2021-03-23 | Tensioning device for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120594310.6U CN215171222U (en) | 2021-03-23 | 2021-03-23 | Tensioning device for engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215171222U true CN215171222U (en) | 2021-12-14 |
Family
ID=79352397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120594310.6U Active CN215171222U (en) | 2021-03-23 | 2021-03-23 | Tensioning device for engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215171222U (en) |
-
2021
- 2021-03-23 CN CN202120594310.6U patent/CN215171222U/en active Active
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