CN218408663U - Overpressure protection device for pneumatic hoist - Google Patents
Overpressure protection device for pneumatic hoist Download PDFInfo
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- CN218408663U CN218408663U CN202222093506.4U CN202222093506U CN218408663U CN 218408663 U CN218408663 U CN 218408663U CN 202222093506 U CN202222093506 U CN 202222093506U CN 218408663 U CN218408663 U CN 218408663U
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Abstract
The utility model belongs to the technical field of pneumatic hoist, specifically be pneumatic hoist superpressure protection device, include: the support and the pressure regulating shell are arranged on the outer wall of the gas circuit pipeline, a support arm is rotatably arranged on the upper side of the support through a rotating shaft, and a valve plate is arranged at the other end of the support arm; the inside of pressure regulating casing is provided with intercommunication chamber and control chamber, the intercommunication chamber diameter is less than the diameter in control chamber, the pressure regulating casing is close to a lateral wall of support and has seted up the movable groove, the support arm runs through the movable groove, and the valve plate is located the control intracavity, and the outer wall diameter of valve plate is greater than intercommunication chamber diameter, is less than the diameter in control chamber the upside of valve plate is provided with elastic mechanism, set up the outlet air passageway with the control chamber intercommunication on the lateral wall of pressure regulating casing. Through the elastic compression of the elastic mechanism to the valve plate, when the pressure inside the gas circuit pipeline is greater than the elastic force of the elastic mechanism, the valve plate can be pushed upwards, the pressure is released, and the gas circuit pipeline is prevented from being damaged.
Description
Technical Field
The utility model relates to a pneumatic hoist technical field specifically is pneumatic hoist superpressure protection device.
Background
The pneumatic hoist mainly comprises four parts, namely a gas distribution system, a power system, a speed reduction system and a hoisting system. The hoisting mechanism comprises a pneumatic motor, a planetary reducer, a hanging assembly, a brake, a hoisting chain, a lifting hook assembly and a main control valve. The lifting mechanism realizes the lifting and descending of a lifted heavy object by controlling the main control valve, and the lifting and descending positioning braking is realized by opening and closing the brake. The safety of the lifting operation is ensured by the ring chain pneumatic hoist, and the integral Yale pneumatic hoist lifting mechanism can be fixed for use and can also be arranged below the travelling mechanism for use in a moving way.
The work of drive pneumatic block through high-pressure gas's injection, when pneumatic block's gas circuit pipeline leads to when being difficult to bear pressure because block up or input overpressure gas, make the gas circuit pipeline to rise brokenly easily, influence normal use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pneumatic hoist superpressure protection device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: pneumatic hoist overvoltage protection device includes:
the support and the pressure regulating shell are arranged on the outer wall of the gas circuit pipeline, a support arm is rotatably arranged on the upper side of the support through a rotating shaft, and a valve plate is arranged at the other end of the support arm;
the inside of pressure regulating casing is provided with intercommunication chamber and control chamber, the intercommunication chamber diameter is less than the diameter in control chamber, the pressure regulating casing is close to a lateral wall of support and has seted up the movable groove, the support arm runs through the movable groove, and the valve plate is located the control intracavity, and the outer wall diameter of valve plate is greater than intercommunication chamber diameter, is less than the diameter in control chamber the upside of valve plate is provided with elastic mechanism, set up the outlet air passageway with the control chamber intercommunication on the lateral wall of pressure regulating casing.
Furtherly, logical groove has been seted up to the downside of support, the both sides of pressure regulating casing all outwards extend and form the connecting block, it all is provided with the hoop of being connected with gas circuit pipeline outer wall to lead to inslot and connecting block outward.
Further, the junction of gas circuit pipeline outer wall and pressure regulating casing is provided with cyclic annular flange, cyclic annular draw-in groove has been seted up to the bottom of pressure regulating casing, cyclic annular draw-in groove and cyclic annular flange looks joint, and be provided with the sealing washer in cyclic annular draw-in groove.
Further, the upper portion of pressure regulating casing is connected with the governing pipe, elastic mechanism is including connecting at the spring of valve plate upside and the roof of fixed mounting at the spring upside, the roof is located the governing pipe, the inside backup pad that is provided with of governing pipe, the spiro union has adjusting bolt in the backup pad, adjusting bolt's lower extreme runs through the backup pad and supports on the upper surface of roof.
Furthermore, the top end of the adjusting pipe is detachably connected with a top cover.
Compared with the prior art, the beneficial effects of the utility model are that:
through the elastic compression of the elastic mechanism to the valve plate, when the pressure inside the gas circuit pipeline is greater than the elastic force of the elastic mechanism, the valve plate can be pushed upwards, the pressure is released, and the gas circuit pipeline is prevented from being damaged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is the internal structure schematic diagram of the pressure regulating shell and the regulating tube of the present invention.
In the figure: the gas circuit comprises a gas circuit pipeline 1, a support 2, a pressure regulating shell 3, a support arm 4, a communicating cavity 5, a control cavity 6, a valve plate 7, an adjusting pipe 8, a top plate 9, a spring 10, a movable groove 11, an air outlet channel 12, a sealing ring 13, a support plate 14, an adjusting bolt 15, a top cover 16 and a hoop 17.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The embodiment is as follows:
referring to fig. 1-2, the present invention provides a technical solution: pneumatic block superpressure protection device includes:
the pressure regulating device comprises a support 2 and a pressure regulating shell 3 which are arranged on the outer wall of an air channel pipeline 1, wherein a support arm 4 is rotatably arranged on the upper side of the support 2 through a rotating shaft, and a valve plate 7 is arranged at the other end of the support arm 4;
the inside of pressure regulating casing 3 is provided with intercommunication chamber 5 and control chamber 6, intercommunication chamber 5 diameter is less than the diameter of control chamber 6, pressure regulating casing 3 is close to a lateral wall of support 2 and has seted up movable groove 11, support arm 4 runs through movable groove 11, and valve plate 7 is located control chamber 6, and the outer wall diameter of valve plate 7 is greater than intercommunication chamber 5 diameters, is less than the diameter of control chamber 6 the upside of valve plate 7 is provided with elastic mechanism, set up the outlet channel 12 with 6 intercommunications in control chamber on the lateral wall of pressure regulating casing 3.
Furtherly, logical groove has been seted up to the downside of support 2, the both sides of pressure regulating casing 3 all outwards extend and form the connecting block, it all is provided with the hoop 17 of being connected with 1 outer wall of gas circuit pipeline to lead to the inslot and the connecting block outward.
Further, the junction of 1 outer wall of gas circuit pipeline and pressure regulating casing 3 is provided with cyclic annular flange, cyclic annular draw-in groove has been seted up to the bottom of pressure regulating casing 3, cyclic annular draw-in groove and cyclic annular flange looks joint, and be provided with sealing washer 13 in cyclic annular draw-in groove. And the joint of the pressure regulating shell 3 and the air channel pipeline 1 is limited and sealed.
Further, the upper portion of pressure regulating casing 3 is connected with adjusting tube 8, elastic mechanism is including connecting spring 10 and the roof 9 of fixed mounting at spring 10 upside at 7 upsides of valve plate, roof 9 is located adjusting tube 8, the inside backup pad 14 that is provided with of adjusting tube 8, the spiro union has adjusting bolt 15 in the backup pad 14, adjusting bolt 15's lower extreme runs through backup pad 14 and supports on the upper surface of roof 9. The adjusting bolt 15 can be in threaded fit with the supporting plate 14 to adjust the height of the adjusting bolt 15, and after the adjusting bolt 15 is adjusted in height, the bottom end of the adjusting bolt 15 adjusts the position of the top plate 9.
Further, a top cover 16 is detachably connected to the top end of the adjusting pipe 8. Through the setting of top cap 16, play the guard action, dustproof and waterproof to the structure in the adjusting pipe 8.
The working principle is as follows: the support 2 and the pressure regulating housing 3 are connected to the air passage pipeline 1 through the hoop 17 in a manner shown in fig. 1.
At the moment, the communicating cavity 5 is communicated with the inside of the air channel pipeline 1, the air pressure is the same, and the valve plate 7 is tightly pressed in the upper control cavity 6 under the action of the elastic force of the spring 10, so that the valve plate 7 is tightly attached to the upper part of the communicating cavity 5 and seals the communicating cavity 5.
When the air pressure in the air path pipeline 1 is too high to overcome the elastic force of the spring 10, the valve plate 7 is pushed upwards, the valve plate 7 rotates clockwise around the support 2 through the support arm 4, and meanwhile, the communication cavity 5 is communicated with the control cavity 6 and the air outlet channel 12, so that the flowing gas is discharged through the air outlet channel 12, and the effect of reducing the air pressure in the air path pipeline 1 is achieved.
The position of the top plate 9 is adjusted by screwing the adjusting bolt 15, so that the elasticity of the valve plate 7 is adjusted by the spring 10, and the valve plate 7 is opened by different air pressure values in the air path pipeline 1.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claim concerned.
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 (5)
1. Pneumatic hoist overvoltage protection device, its characterized in that includes:
the pressure regulating valve comprises a support (2) and a pressure regulating shell (3) which are arranged on the outer wall of a gas circuit pipeline (1), wherein a support arm (4) is rotatably arranged on the upper side of the support (2) through a rotating shaft, and a valve plate (7) is arranged at the other end of the support arm (4);
the inside of pressure regulating casing (3) is provided with intercommunication chamber (5) and control chamber (6), intercommunication chamber (5) diameter is less than the diameter of control chamber (6), pressure regulating casing (3) are close to a lateral wall of support (2) and have seted up movable groove (11), support arm (4) run through movable groove (11), and valve plate (7) are located control chamber (6), and the outer wall diameter of valve plate (7) is greater than intercommunication chamber (5) diameter, is less than the diameter of control chamber (6) the upside of valve plate (7) is provided with elastic mechanism, set up outlet channel (12) with control chamber (6) intercommunication on the lateral wall of pressure regulating casing (3).
2. The pneumatic hoist overpressure protection device of claim 1, wherein: logical groove has been seted up to the downside of support (2), the both sides of pressure regulating casing (3) all outwards extend and form the connecting block, lead to the inslot and all be provided with hoop (17) with gas circuit pipeline (1) outer wall connection outside the connecting block.
3. The pneumatic hoist overpressure protection device of claim 1, wherein: the junction of gas circuit pipeline (1) outer wall and pressure regulating casing (3) is provided with cyclic annular flange, cyclic annular draw-in groove has been seted up to the bottom of pressure regulating casing (3), cyclic annular draw-in groove and cyclic annular flange looks joint, and be provided with sealing washer (13) in cyclic annular draw-in groove.
4. The pneumatic hoist overpressure protection device of claim 1, wherein: the upper portion of pressure regulating casing (3) is connected with control tube (8), elastic mechanism is including connecting spring (10) and roof (9) of fixed mounting at spring (10) upside at valve plate (7) upside, roof (9) are located control tube (8), inside backup pad (14) that is provided with of control tube (8), the spiro union has adjusting bolt (15) on backup pad (14), the lower extreme of adjusting bolt (15) runs through backup pad (14) and supports on the upper surface of roof (9).
5. The pneumatic hoist overpressure protection device of claim 4, wherein: the top end of the adjusting pipe (8) is detachably connected with a top cover (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222093506.4U CN218408663U (en) | 2022-08-09 | 2022-08-09 | Overpressure protection device for pneumatic hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222093506.4U CN218408663U (en) | 2022-08-09 | 2022-08-09 | Overpressure protection device for pneumatic hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218408663U true CN218408663U (en) | 2023-01-31 |
Family
ID=85025778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222093506.4U Active CN218408663U (en) | 2022-08-09 | 2022-08-09 | Overpressure protection device for pneumatic hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218408663U (en) |
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2022
- 2022-08-09 CN CN202222093506.4U patent/CN218408663U/en active Active
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