CN214744086U - Protection mechanism for pulverized coal pipeline compensator - Google Patents
Protection mechanism for pulverized coal pipeline compensator Download PDFInfo
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- CN214744086U CN214744086U CN202120239376.3U CN202120239376U CN214744086U CN 214744086 U CN214744086 U CN 214744086U CN 202120239376 U CN202120239376 U CN 202120239376U CN 214744086 U CN214744086 U CN 214744086U
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Abstract
The utility model relates to the technical field of protective devices, in particular to a protective mechanism for a coal powder pipeline compensator, which comprises a workbench, a first buffer and a second buffer, wherein a square groove is arranged on the workbench, a guide hole is arranged in the square groove and matched with a baffle, a bulge is fixedly arranged on the baffle, a guide rod is inserted in the guide hole, a spring is sleeved on the guide rod, and the guide rod is fixedly arranged on a supporting block, through the practicability of the technical scheme, a negative pressure buffer structure arranged at the two ends of the compensator can well help the compensator to resist the impact force brought by the side surface, an adjusting rod for adjusting the negative pressure is designed into a thread fit form to facilitate the adjustment of the negative pressure, a conical plug has good sealing property, and the supporting block arranged at the lower end of the compensator can help to resist the impact in the vertical direction under the action of the spring, and the side face of the supporting block is arranged into a groove shape, so that the effect of buffering is further facilitated.
Description
Technical Field
The utility model relates to a protector technical field specifically is a pulverized coal pipeline is protection machanism for compensator.
Background
The compensator is also called expansion joint or expansion joint, and is composed of bellows (an elastic element) and accessories such as end pipe, support, flange and conduit, etc. which form the working main body of the compensator, belonging to a compensation element, which utilizes the effective expansion deformation of the bellows of the working main body to absorb the dimensional change of pipelines, conduits, containers, etc. caused by expansion with heat and contraction with cold, or to compensate for axial, lateral and angular displacements of pipes, ducts, containers, etc., and may also be used for noise and vibration reduction, in modern industry, the compensator can protect the pipeline, but in practical work we rarely consider how to protect the compensator, thereby prolonging the service life of the compensator, leading the compensator on the pulverized coal pipeline to be always subjected to larger impact force, it is necessary to add some shock absorbing protection mechanisms to it to make the life of the compensator longer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a protection machanism for pulverized coal pipeline compensator to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a powdered coal pipeline is protection machanism for compensator, includes the workstation, first buffer and second buffer, square groove has been seted up on the workstation, open in the square groove and be equipped with the guiding hole, and the cooperation has the baffle, the fixed arch that is provided with on the baffle, the guide bar has been pegged graft in the guiding hole, the spring has been cup jointed on the guide bar, and the guide bar is fixed to be set up on the supporting shoe, the side of supporting shoe is seted up flutedly, and the upper surface has seted up the cooperation groove, the cooperation has the compensator on the cooperation groove, the fixed piston that is provided with on the first buffer, the piston is pegged graft in the cavity on the workstation, the cavity has been seted up on the second buffer, be provided with screw thread and screw-thread fit in the cavity and have the negative pressure regulation pole, the front end that sets up through-hole and through-hole on the negative pressure regulation pole has seted up the taper hole, and has been pegged graft in the through-hole and has the adjustment frame, The negative pressure adjusting device comprises a plug rod and a spring, wherein a conical plug is inserted in a conical hole, an unwinding groove and a tensioning groove are formed in the front end of a negative pressure adjusting rod, a thrust hole is formed in one end of a second buffer, a thrust rod is inserted in the thrust hole, and the spring is sleeved on the thrust rod.
Preferably, the diameter of a hole formed after the baffle plates are tightly matched is slightly larger than that of the guide rod, the center line of the guide rod is aligned with that of the hole formed by the baffle plates, and the baffle plates are welded and fixed in the square grooves.
Preferably, the piston is matched with the rubber sleeve for use, the piston and the cavity are in interference fit, and the piston is integrally formed on the workbench and the first buffer.
Preferably, the spring is welded between the adjusting frame and the plug rod, the plug rod is in clearance fit with the through hole, and the conical plug is in threaded connection with the plug rod.
Preferably, the diameter of the groove is smaller than that of the protrusion, the protrusion is not easy to be arranged on the baffle too much, the number of the protrusion is controlled to be about one third of the height of the baffle, and excessive friction force is avoided.
Preferably, the bottom surfaces of the first buffer and the second buffer are frosted surfaces, and the side surfaces of the buffers tightly abut against the workbench before the negative pressure is formed.
Compared with the prior art, the beneficial effects of the utility model are that:
through the practicality of this technical scheme, install the negative pressure buffer structure at compensator both ends and can help the compensator to resist the impact force that the side brought well, the regulation pole that will adjust the negative pressure designs into the regulation of the convenient negative pressure of screw-thread fit's form, and the toper stopper has fine leakproofness, installs the supporting shoe at the compensator lower extreme and can help resisting the ascending impact of vertical direction under the effect of spring, and the side of supporting shoe sets up the indent type and more helps and buffering effect.
Drawings
FIG. 1 is an exploded view of a cushioning device;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic structural view of a baffle;
FIG. 4 is a schematic structural view of a worktable;
FIG. 5 is an exploded view of the negative pressure adjustment lever;
fig. 6 is a schematic structural view of the negative pressure adjusting rod.
In the figure: the device comprises a workbench 1, a compensator 2, a supporting block 3, a groove 4, a first buffer 5, a piston 6, a cavity 7, a guide rod 8, a baffle 9, a spring 10, a second buffer 11, a negative pressure adjusting rod 12, a thrust rod 13, a guide hole 14, a thrust hole 15, a protrusion 16, a square groove 17, a conical plug 18, a conical hole 19, a plug rod 20, an adjusting frame 21, a loosening groove 22, a tensioning groove 23 and a matching groove 24.
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 to 6, the present invention provides a technical solution:
the utility model provides a protection machanism for pulverized coal pipeline compensator, includes workstation 1, first buffer 5 and second buffer 11 and the bottom surface of first buffer 5 and second buffer 11 all adopts the frosting, and just the side of buffer tightly supports on workstation 1 before forming the negative pressure.
A square groove 17 is formed in the workbench 1, a guide hole 14 is formed in the square groove 17 and matched with a baffle 9, a protrusion 16 is fixedly arranged on the baffle 9, the diameter of a hole formed after the baffle 9 is tightly matched with the protrusion is slightly larger than that of the guide rod 8, the center line of the guide rod 8 is aligned with the center line of the hole formed by the baffle 9, and the baffle 9 is welded and fixed in the square groove 17.
The guide rod 8 is inserted in the guide hole 14, the spring 10 is sleeved on the guide rod 8, the guide rod 8 is fixedly arranged on the supporting block 3, the side face of the supporting block 3 is provided with the groove 4, the diameter of the upper surface provided with the matching groove 24 and the groove 4 is smaller than that of the protrusion 16, the protrusion 16 is not prone to being excessively arranged on the baffle 9, the quantity is controlled to be about one third of the height of the baffle 9, and excessive friction force is avoided.
The cooperation has compensator 2 on the cooperation groove 24, fixedly on the first buffer 5 be provided with piston 6, and piston 6 pegs graft in cavity 7 on workstation 1 and on piston 6 cooperate the rubber sleeve to use, and be interference fit between piston 6 and the cavity 7, and piston 6 integrated into one piece sets up on workstation 1 and first buffer 5.
The cavity 7 is formed in the second buffer 11, the negative pressure adjusting rod 12 is arranged in the cavity 7 in a threaded and threaded fit mode, the through hole is formed in the front end of the negative pressure adjusting rod 12, the taper hole 19 is formed in the front end of the through hole, the adjusting frame 21, the plug rod 20, the spring 10 and the spring 10 are connected in the through hole in a plugged mode, the adjusting frame 21 and the plug rod 20 are welded between the adjusting frame 21 and the plug rod 20, the plug rod 20 and the through hole are in clearance fit, and the taper plug 18 is in threaded connection with the plug rod 20.
A conical plug 18 is inserted into the conical hole 19, the front end of the negative pressure adjusting rod 12 is provided with an unwinding groove 23 and a tensioning groove 22, one end of the second buffer 11 is provided with a thrust hole 15, a thrust rod 13 is inserted into the thrust hole 15, and a spring 10 is sleeved on the thrust rod.
The working principle is as follows: the utility model discloses at the during operation, press from both sides respectively with the both ends of compensator 2 and put between buffer and workstation 1, then adjust the position of buffer and make and tightly clip compensator 2, rotate alignment jig 21, make the alignment jig fall into and loosen the groove 22, spring 10 between alignment jig 21 and cock stem 20 is in the non-flexible state at this moment, so do not have inseparable cooperation between the awl stopper 18 of cock stem 20 front end and negative pressure adjusting rod 12, can rotate negative pressure adjusting rod 12 at this moment and make it go forward towards the direction of piston 6 through the screw thread, distance between negative pressure adjusting rod 12 and piston 6 diminishes like this, the air of its cavity 7 inside discharges through the clearance between awl stopper 18 and negative pressure adjusting rod 12, at this moment need rotate alignment jig 21 and outwards pull alignment jig 21 hard, will stimulate awl stopper 18 like this, make its inseparable cooperation in the taper hole 19 of negative pressure adjusting rod 12, then the adjusting frame 21 is placed in the tensioning groove 23, at this time, the spring 10 between the plug rod 20 and the adjusting frame 21 is in a stretched state, so that the conical plug 18 is tensioned, and good sealing performance can be achieved according to the characteristic that the conical plug 18 is more and more stretched, at this time, the buffer is already installed, when the compensator 2 is subjected to side impact force, (the side impact force direction of the coal powder pipeline is certain, so only the impact force in one side direction needs to be resisted), the buffers at two ends of the compensator 2 are pushed to move towards one side, and due to the tensile force of negative pressure, good buffering effect can be achieved, part of the impact force is counteracted, when the compensator 2 is subjected to pressure in the vertical direction, the supporting block 3 is in an elastic state through the action of the spring 10 and the guide rod 8, so that the buffering effect can be achieved through the compression of the spring 10, and the groove 4 on the side surface of the supporting block 3 is matched with the bulge 10 on the baffle 9, so that the friction force of the compensator is increased, the buffer effect can be further realized, and the compensator 2 is well protected.
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 a protection machanism for pulverized coal pipeline compensator, includes workstation (1), first buffer (5) and second buffer (11), its characterized in that: the vacuum pump is characterized in that a square groove (17) is formed in the workbench (1), a guide hole (14) is formed in the square groove (17) and matched with a baffle (9), a protrusion (16) is fixedly arranged on the baffle (9), a guide rod (8) is inserted in the guide hole (14), a spring (10) is sleeved on the guide rod (8), the guide rod (8) is fixedly arranged on the supporting block (3), a groove (4) is formed in the side surface of the supporting block (3), a matching groove (24) is formed in the upper surface of the supporting block, a compensator (2) is matched on the matching groove (24), a piston (6) is fixedly arranged on the first buffer (5), the piston (6) is inserted in a cavity (7) on the workbench (1), a cavity (7) is formed in the second buffer (11), a negative pressure adjusting rod (12) is arranged in the cavity (7) in a threaded manner, the pressure regulating rod is characterized in that a taper hole (19) is formed in the front end of the pressure regulating rod (12) with the through hole and the through hole, a regulating frame (21), a plug rod (20) and a spring (10) are connected in the through hole in an inserted mode, a conical plug (18) is connected in the taper hole (19), an unwinding groove (22) and a tensioning groove (23) are formed in the front end of the pressure regulating rod (12), a thrust stopping hole (15) is formed in one end of a second buffer (11), a thrust rod (13) is connected in the thrust stopping hole (15), and the spring (10) is sleeved on the thrust rod.
2. The protection mechanism for the pulverized coal pipeline compensator as claimed in claim 1, wherein: the diameter of a hole formed after the baffle plates (9) are tightly matched is slightly larger than that of the guide rod (8), the center line of the guide rod (8) is aligned with the center line of the hole formed by the baffle plates (9), and the baffle plates (9) are welded and fixed in the square grooves (17).
3. The protection mechanism for the pulverized coal pipeline compensator as claimed in claim 1, wherein: the piston (6) is matched with a rubber sleeve for use, the piston (6) and the cavity (7) are in interference fit, and the piston (6) is integrally formed on the workbench (1) and the first buffer (5).
4. The protection mechanism for the pulverized coal pipeline compensator as claimed in claim 1, wherein: the spring (10) is welded between the adjusting frame (21) and the plug rod (20), the plug rod (20) is in clearance fit with the through hole, and the conical plug (18) is in threaded connection with the plug rod (20).
5. The protection mechanism for the pulverized coal pipeline compensator as claimed in claim 1, wherein: the diameter of the groove (4) is smaller than that of the protrusion (16), the protrusion (16) is not easy to be arranged too much on the baffle (9), the quantity is controlled to be about one third of the height of the baffle (9), and excessive friction is avoided.
6. The protection mechanism for the pulverized coal pipeline compensator as claimed in claim 1, wherein: the bottom surfaces of the first buffer (5) and the second buffer (11) are frosted, and the side surfaces of the buffers tightly abut against the workbench (1) before negative pressure is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120239376.3U CN214744086U (en) | 2021-01-28 | 2021-01-28 | Protection mechanism for pulverized coal pipeline compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120239376.3U CN214744086U (en) | 2021-01-28 | 2021-01-28 | Protection mechanism for pulverized coal pipeline compensator |
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| Publication Number | Publication Date |
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| CN214744086U true CN214744086U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120239376.3U Active CN214744086U (en) | 2021-01-28 | 2021-01-28 | Protection mechanism for pulverized coal pipeline compensator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114152479A (en) * | 2021-12-29 | 2022-03-08 | 王青 | Automobile metal plate jet flow waterline emission pollution detection device |
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2021
- 2021-01-28 CN CN202120239376.3U patent/CN214744086U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114152479A (en) * | 2021-12-29 | 2022-03-08 | 王青 | Automobile metal plate jet flow waterline emission pollution detection device |
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