Flange plate tensioning device for pipeline of thin-plate cut-tobacco drier
By designing the thin-plate wire dryer pipeline flange tensioning device, using the open and closed clamping ring and tensioning screw, the problem of three people cooperating and safety hazards in the existing technology is solved, and convenient, safe and damage-free flange tensioning is achieved.
Patent Information
- Application Number
- CN202420629577.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-28
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-03-28
AI Technical Summary
The disassembly and assembly process of the existing thin-plate wire dryer pipeline flange requires three people to cooperate, which poses safety hazards and is prone to damage the flange sealing surface, resulting in leakage failure.
A thin-plate wire dryer pipe flange tensioning device is designed, including two open and closed clamping rings and a circumferentially distributed tension screws. The relative movement of the clamping ring is achieved by rotating the fastening nut, thereby conveniently tensioning the flange.
It realizes the convenience, safety and damage-free tension of the flange. It only requires a single person to operate, eliminating the safety hazards of tool slippage and avoiding damage to the flange sealing surface.
Smart Images
Figure CN222626831U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cigarette processing equipment, in particular to a flange tensioning device for a thin-plate tobacco drying machine pipeline. Background Art
[0002] The thin-plate drying machine is a key main machine in the silk production line. Its main structure is a pipeline valve and a pressure regulating device. It consists of two parts: a steam supply pipeline and a condensate discharge pipeline. To ensure the safe and reliable operation of the pipeline system, the pipelines are connected by flange connection. At the same time, in order to ensure the sealing of the flange contact surface, a graphite gasket is required. Through the pre-tightening force of the bolts, sufficient pressure is generated between the gasket and the flange sealing surface to fill the microscopic unevenness of the flange sealing surface and achieve the purpose of sealing.
[0003] During pipeline maintenance, it is often necessary to disassemble and install gaskets. Because the gap between flanges is small, disassembly and installation of gaskets generally requires the cooperation of three people. Two people use crowbars and flat screwdrivers to pry diagonally to achieve tension between the two flanges, and the other person completes the disassembly and installation of graphite gaskets. In the process of prying the flanges, there are great safety hazards and the flange sealing surface is easily damaged, resulting in leakage failures. Utility Model Content
[0004] The utility model aims to overcome the deficiencies of the prior art and provides a flange tensioning device for a thin-plate torrefaction machine pipeline, so as to achieve convenient, safe and non-destructive tensioning of the flange, facilitate the disassembly and assembly of the sealing gasket, and can be completed by only one person.
[0005] The utility model is realized by the following technical solutions:
[0006] A thin-plate wire drying machine pipeline flange tensioning device comprises two clamping rings arranged oppositely, the two clamping rings are connected by at least two tensioning screws distributed along the circumferential direction, each tensioning screw extends along the axial direction of the clamping ring, each tensioning screw passes through the through holes on the two clamping rings in turn, and the tensioning screws are respectively threadedly sleeved with fastening nuts on both sides of each clamping ring, each clamping ring comprises two clamping half rings arranged oppositely, the two clamping half rings are matched to form a circular clamping ring, one end of the two clamping half rings is a connecting end, and the other end is a movable end, the connecting ends of the two clamping half rings are hinged, and the movable ends of the two clamping half rings are locked by a locking structure in a closed state.
[0007] As a preferred solution of the above-mentioned tensioning device, a circle of concave clamping grooves is formed on the inner ring side wall of the clamping ring.
[0008] As a preferred embodiment of the above-mentioned tensioning device, the locking structure includes a locking bolt and a locking nut. The outer sides of the movable ends of the two clamping half rings are respectively provided with locking plates extending radially outward. The locking of the two clamping half rings is achieved by passing the locking bolt through the two locking plates and tightening the locking nut.
[0009] As a preferred solution of the above-mentioned tensioning device, connecting plates extending radially outward are respectively provided on the outer sides of the connecting ends of the two clamping half rings, and the outer ends of the two connecting plates are hingedly connected by connecting pins.
[0010] As a preferred solution of the above-mentioned tensioning device, the two clamping rings are connected by three tensioning screws evenly distributed along the circumferential direction.
[0011] Compared with the prior art, the utility model has the following advantages:
[0012] The utility model provides a flange tensioning device for a thin-plate wire drying machine pipeline. By arranging two clamping rings that can be opened and closed, convenient clamping of the two flanges is achieved. Then, by rotating the fastening nut on the tensioning screw, the two clamping rings can be moved relative to each other, thereby achieving relative movement of the two flanges clamped by the two clamping rings, and then convenient tensioning of the two flanges is achieved. Only one person is required to complete the tensioning operation. The entire operation process is safe, efficient, time-saving and labor-saving, and the safety hazard caused by tool slippage during maintenance is eliminated, and damage to the flange sealing surface during the tensioning process is avoided. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a stereogram of the utility model.
[0014] Figure 2 It is a plan view of a single clamping ring of the utility model.
[0015] Figure 3 It is a stereoscopic diagram of the clamping ring of the utility model clamping the flange.
[0016] Numbers in the figure: 1 clamping ring; 2 clamping groove; 3 through hole; 4 tensioning screw; 5 fastening nut; 6 clamping half ring; 7 connecting plate; 8 connecting pin; 9 locking bolt; 10 locking plate; 11 flange. DETAILED DESCRIPTION
[0017] The following is a detailed description of an embodiment of the utility model. This embodiment is implemented on the premise of the technical solution of the utility model, and a detailed implementation method and a specific operation process are given, but the protection scope of the utility model is not limited to the following embodiment.
[0018] See also Figures 1 to 3The present embodiment discloses a flange tensioning device for a thin-plate drying machine pipeline, comprising two clamping rings 1 arranged opposite to each other, and a circle of concave clamping grooves 2 are formed on the inner ring sidewalls of the clamping rings 1, and the flange 11 is clamped by the clamping grooves 2. The two clamping rings 1 are connected by at least two tensioning screws 4 distributed along the circumferential direction, each tensioning screw 4 extends along the axial direction of the clamping ring 1, and each tensioning screw 4 passes through the through holes 3 on the two clamping rings 1 in turn, and the tensioning screws 4 are respectively threadedly sleeved with fastening nuts 5 on both sides of each clamping ring 1, and each clamping ring 1 comprises two clamping half rings 6 arranged opposite to each other, and the two clamping half rings 6 are matched to form a circular clamping ring 1, one end of the two clamping half rings 6 is a connecting end, and the other end is a movable end, and the connecting ends of the two clamping half rings 6 are hinged, and the outer sides of the connecting ends of the two clamping half rings 6 are respectively provided with connecting plates 7 extending radially outward, and the outer ends of the two connecting plates 7 are hinged by connecting pins 8. The movable ends of the two clamping half rings 6 are locked by a locking structure in a closed state. The locking structure includes a locking bolt 9 and a locking nut. The outer sides of the movable ends of the two clamping half rings 6 are respectively provided with locking plates 10 extending radially outward. The locking bolts 9 pass through the two locking plates 10 and tighten the locking nuts to achieve the locking of the two clamping half rings 6.
[0019] In this embodiment, the two clamping rings 1 are connected by three tensioning screws 4 evenly distributed along the circumferential direction.
[0020] When in use, first loosen the locking nut, remove the locking bolt 9, and open the two clamping rings 1. Then clamp the clamping grooves 2 of the two clamping rings 1 on the outer circles of the two flanges 11 that need to be tensioned, and then lock the two clamping rings 1 through the locking bolts 9 and the locking nuts, so that the two clamping rings 1 clamp the two flanges 11 respectively. Each tensioning screw 4 passes through the corresponding through-holes 3 of the two clamping rings 1 in turn and screws on the corresponding fastening nuts 5. According to the distance between the two flanges 11 that needs to be tensioned, adjust the position of the fastening nut 5 on the tensioning screw 4 to achieve tensioning of the flanges 11. The fastening nut 5 located on the outside of the two clamping rings 1 is the outer fastening nut 5, and the fastening nut 5 located between the two clamping rings 1 is the inner fastening nut 5. The specific tensioning process is: first loosen the two outer fastening nuts 5 on the tensioning screw 4 so that the outer sides of the two clamping rings 1 are released, and then rotate the two inner fastening nuts 5 on the tensioning screw 4 so that the two inner fastening nuts 5 push the two clamping rings 1 outward away from each other, thereby driving the two flanges 11 away from each other to achieve tensioning of the two flanges 11. At this time, the graphite gasket can be easily replaced. After the graphite gasket is replaced, the two flanges 11 can be reset by reverse operation, and then the locking nuts are loosened, the locking bolts 9 are removed, the flanges 11 are released, the entire tooling is removed, and then the two flanges 11 are installed.
[0021] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A flange tensioning device for a thin-plate drying machine pipeline, characterized in that: The invention comprises two clamping rings which are arranged opposite to each other, and the two clamping rings are connected by at least two tensioning screws which are distributed at intervals along the circumferential direction, and each tensioning screw extends along the axial direction of the clamping ring, and each tensioning screw passes through the through holes on the two clamping rings in turn, and the tensioning screws are respectively threaded with fastening nuts on both sides of each clamping ring, and each clamping ring comprises two clamping half rings which are arranged opposite to each other, and the two clamping half rings are matched to form a circular clamping ring, one end of the two clamping half rings is a connecting end, and the other end is a movable end, the connecting ends of the two clamping half rings are hinged, and the movable ends of the two clamping half rings are locked by a locking structure in a closed state; a circle of concave clamping grooves is opened on the side wall of the inner ring of the clamping ring, and the clamping grooves are used to clamp the flange.
2. A flange tensioning device for a thin-plate tofu drying machine pipeline as claimed in claim 1, characterized in that: The locking structure includes a locking bolt and a locking nut. The outer sides of the movable ends of the two clamping half rings are respectively provided with locking plates extending radially outward. The locking of the two clamping half rings is achieved by passing the locking bolt through the two locking plates and tightening the locking nut.
3. A flange tensioning device for a thin-plate tofu drying machine pipeline as claimed in claim 1, characterized in that: The outer sides of the connecting ends of the two clamping half rings are respectively provided with connecting plates extending radially outwards, and the outer ends of the two connecting plates are hingedly connected by connecting pins.
4. A flange tensioning device for a thin-plate tofu drying machine pipeline as claimed in claim 1, characterized in that: The two clamping rings are connected by three tensioning screw rods evenly distributed along the circumference.