Tool for replacing airlock rotor seal

Abstract

The utility model discloses a tool for replacing an airlock rotor seal, and the tool comprises a rotor clamping ring which is used for sleeving a rotor sealing rubber strip at the end part of an airlock rotor and / or the periphery of a diffusion sealing ring, and the rotor clamping ring is provided with a plurality of rotor clamping ring through holes which can correspond to screw holes in the end face of an airlock; the screw rod is used for penetrating through the through hole of the rotor clamping ring and the screw hole in the end face of the airlock and enabling the rotor clamping ring to be coaxial with a cavity, where the airlock rotor is installed, of the airlock; the locking nuts are screwed on the screw in pairs and located on the end face of the airlock and the two sides of the rotor clamping ring, so that when the two locking nuts get close to each other, the rotor clamping ring can be fixed to the end face of the airlock; and the pushing piece is used for pushing the airlock rotor into the chamber, where the airlock rotor is installed, of the airlock. According to the utility model, the diffusion sealing ring and the rotor sealing rubber strip can be effectively prevented from being scratched and damaged, meanwhile, the number of dismounting personnel is greatly reduced, the maintenance time is saved, and the time is short, safe and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of maintenance equipment, especially relates to a tool for replacing gas lock rotor seal. BACKGROUND

[0002] The high-temperature and high-pressure gas lock is used for feeding or discharging materials to the high-temperature and high-pressure space, and ensures the stability of the pressure and temperature of the high-temperature and high-pressure space. The high-temperature and high-pressure gas lock can also release the material and the high-temperature and high-pressure gas mixture to realize the expansion of the material. The rotor diffusion seal ring and the rotor seal rubber strip of the gas lock are prone to wear and tear under the high-temperature and high-pressure environment, which causes the equipment to fail to effectively maintain the temperature and pressure. In order to prevent the high-temperature and high-pressure gas from leaking, the rotor diffusion seal ring and the rotor seal rubber strip of the gas lock must be replaced regularly. The rotor diffusion seal and the seal rubber strip must be replaced by disassembling the gas lock rotor. After the replacement of the rotor diffusion seal and the seal rubber strip is completed, the gas lock rotor is reassembled. During the installation, the gas lock rotor is heavy and difficult to center, so the rotor diffusion seal ring and the seal rubber strip of the gas lock rotor are prone to be scratched and damaged, which causes the gas lock to leak. SUMMARY

[0003] In view of the above problems, the utility model provides a tool for replacing the rotor diffusion seal ring and the rotor seal rubber strip of the gas lock, which can solve the problem that the rotor diffusion seal ring and the rotor seal rubber strip are easily scratched during the replacement of the rotor diffusion seal ring and the rotor seal rubber strip.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A tool for replacing the rotor diffusion seal ring and the rotor seal rubber strip of the gas lock, comprising:

[0006] A rotor clasp ring is used for sleeving the rotor diffusion seal ring and / or the rotor seal rubber strip around the end position of the gas lock rotor. A plurality of rotor clasp ring through holes corresponding to the screw holes of the end face of the gas lock are formed in the rotor clasp ring.

[0007] A screw rod is used for penetrating the rotor clasp ring through hole and the screw hole of the end face of the gas lock, and the rotor clasp ring is coaxial with the chamber of the gas lock for installing the gas lock rotor.

[0008] A locking nut is screwed on the screw rod in pairs and located on the end face of the gas lock and the two sides of the rotor clasp ring, so that the rotor clasp ring can be fixed to the end face of the gas lock when the two locking nuts are close to each other.

[0009] A pushing piece is used for pushing the gas lock rotor into the chamber of the gas lock for installing the gas lock rotor.

[0010] Further, the gas lock rotor seal replacement tool further comprises a top plate, a plurality of top plate through holes are formed in the top plate and can pass through the screw rod, and the top plate is sleeved on the screw rod through the top plate through holes;

[0011] The screw rod is screwed with the locking nut at a position away from the rotor snap ring, so that the top plate cannot move away from the rotor snap ring along the screw rod when the top plate abuts against the locking nut;

[0012] The pushing piece is located between the top plate and the gas lock rotor.

[0013] Further, the pushing piece is an electric push rod or a telescopic cylinder or a jack, one end of the pushing piece is in abutment with the top plate, and the other end is used for abutting against the gas lock rotor.

[0014] Further, a groove is formed in the side of the top plate facing the rotor snap ring, and one end of the pushing piece is placed in the groove.

[0015] Further, the gas lock rotor seal replacement tool further comprises an alignment sleeve, and clamping grooves are formed at both ends of the alignment sleeve, the clamping grooves at both ends of the alignment sleeve are used for sleeving one end of the pushing piece and the shaft end of the gas lock rotor respectively.

[0016] Further, a chamfer is formed at the inner ring opening of the side of the rotor snap ring facing the gas lock.

[0017] Further, the gas lock rotor seal replacement tool further comprises a support frame, and the support frame is used for supporting the end of the screw rod away from the rotor snap ring.

[0018] Further, the support frame comprises a base, a lead screw, a light rod, a cross rod and a sliding block, the light rod is vertically arranged and fixed on the base, the cross rod is fixed on the top of the light rod, the lead screw is vertically arranged and rotatably arranged on the base, the top of the lead screw passes through the cross rod and is rotatably connected with the cross rod, and a driving piece for driving the lead screw to rotate is arranged on the top of the lead screw passing through the cross rod, the sliding block is provided with a screw hole and a through hole, so as to be matched and installed on the lead screw through the screw hole and installed on the light rod through the through hole.

[0019] Further, the sliding block is further provided with a mounting through hole for passing through and supporting the screw rod.

[0020] Further, the driving piece is a ratchet wrench.

[0021] Compared with the prior art, the gas lock rotor sealing replacement tool has the advantages that when the diffusion sealing ring or the sealing rubber strip of the gas lock rotor needs to be replaced, the tool and the method can quickly install the gas lock rotor, the installation process is convenient for maintenance personnel to install the gas lock rotor, can effectively avoid the diffusion sealing ring and the rotor sealing rubber strip from being scratched and damaged, and simultaneously greatly reduces the number of dismounting personnel and saves maintenance time, time is fast, safe and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows.

[0023] Figure 1 is a structural schematic view of the gas lock rotor sealing replacement tool from another perspective of the present application;

[0024] Figure 2 is a structural schematic view of the gas lock rotor sealing replacement tool from another perspective of the present application;

[0025] Figure 3 is an implementation schematic view of the gas lock rotor sealing replacement tool from one perspective of the present application;

[0026] Figure 4 is an implementation schematic view of the gas lock rotor sealing replacement tool from another perspective of the present application.

[0027] In the drawings, the marks are as follows: 10-rotor snap ring; 11-rotor snap ring through hole; 20-screw rod; 30-lock nut; 40-pushing piece; 50-top plate; 51-top plate through hole; 52-groove; 60-alignment sleeve; 61-clamping groove; 70-support frame; 71-base; 72-screw rod; 73-light pole; 74-cross bar; 75-sliding block; 76-driving piece; 77-arrangement through hole; 78-bearing; 80-gas lock rotor; 100-gas lock. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0029] In the description of the utility model, it is necessary to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicate or imply that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore cannot be understood as the limitation of the utility model. In addition, the term "first", "second", "third" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0030] In the description of the utility model, it is necessary to explain, unless otherwise explicitly provided and limited, the term "installation", "connection", "connection" should be broad understanding, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances. In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as there is no conflict.

[0031] Please refer to Figure 1 And Figure 2 The utility model provides a kind of tool for replacing gas lock rotor seal, which mainly includes rotor snap ring 10, screw rod 20, lock nut 30, pusher 40 and top plate 50.

[0032] The rotor snap ring 10 is a whole annular shape, the thickness of the rotor snap ring 10 is 25mm, the inner diameter is 400mm and the outer diameter is 500mm, which is made of steel and has a certain strength. The rotor snap ring 10 is equally divided into 12 φ30 rotor snap ring through holes 11, the position of the rotor snap ring through hole 11 can correspond to the screw hole of the end face of the air lock, that is, it can be matched with the original screw hole position of the air lock shell. The rotor snap ring 10 is used for sleeving the outer periphery of the rotor sealing rubber strip and / or the diffusion sealing ring at the end position of the air lock rotor in use, that is, when the air lock rotor is installed, the rotor snap ring 10 is sleeved on the outer periphery of the rotor sealing rubber strip and the diffusion sealing ring at the end position of the air lock rotor. At this time, the rotor snap ring 10 is tightly sleeved on the outer periphery of the rotor sealing rubber strip and the diffusion sealing ring at the end position of the air lock rotor, and is coaxial with the air lock rotor. The inner diameter of the rotor snap ring 10 is consistent with the inner diameter of the chamber of the air lock for installing the air lock rotor. The inner circle of the rotor snap ring 10 is chamfered at the side of the air lock, which can be a rounded chamfer or a straight chamfer. The chamfer can facilitate the rotor snap ring 10 to be sleeved on the outer periphery of the rotor sealing rubber strip and / or the diffusion sealing ring at the end position of the air lock rotor, and does not scratch or damage the rotor sealing rubber strip and / or the diffusion sealing ring.

[0033] The screw rod 20 is used to pass through the rotor snap ring through hole 11 and the screw hole of the end face of the air lock, and make the rotor snap ring 10 coaxial with the chamber of the air lock for installing the air lock rotor. The specification of the screw rod 20 is M30, which is made of high-strength stainless steel, and the length is 1000mm, and there are two. Each screw rod is equipped with M30 locking nut 30, and there are four. The two locking nuts 30 are screwed on the screw rod 20 and located on the two sides of the end face of the air lock and the rotor snap ring 10, so that when the two locking nuts 30 are close to each other, the rotor snap ring 10 can be fixed to the end face of the air lock. At this time, the rotor snap ring 10 can be attached to the end face of the shell of the air lock, and the rotor snap ring 10, the air lock rotor and the chamber of the air lock for installing the air lock rotor can be coaxial to realize the centering of the three.

[0034] The pushing piece 40 is used to push the air lock rotor into the chamber of the air lock for installing the air lock rotor. The top plate 50 is provided with a plurality of top plate through holes 51 capable of passing through the screw rod 20, and the top plate 50 is sleeved on the screw rod 20 through the top plate through hole 51. The screw rod 20 is screwed with the locking nut 30 at the position away from the rotor snap ring 10, so that when the top plate 50 abuts against the locking nut 30, it cannot move away from the rotor snap ring 10 along the screw rod 20, and at this time, the top plate 50 is limited in one direction. It can be understood that the screw rod 20 is screwed with the locking nut 30 at the position close to the rotor snap ring 10 at the same time, and through the two locking nuts 30, the top plate 50 can be fixed to the screw rod 20.

[0035] The pushing piece 40 is located between the top plate 50 and the gas lock rotor. Due to the top plate 50, the gas lock rotor can be pushed by the pushing piece 40 to gradually enter the cavity of the gas lock for installing the gas lock rotor, so as to complete the installation of the gas lock rotor.

[0036] The pushing piece 40 can be selected from an electric push rod, a telescopic air cylinder or a jack, etc. One end of the pushing piece 40 of the electric push rod, the telescopic air cylinder or the jack is in abutment with the top plate 50, and the other end is used to abut with the gas lock rotor. The gas lock rotor is gradually pushed into the cavity of the gas lock for installing the gas lock rotor through the extension movement. In the exemplary embodiment, the pushing piece 40 is selected from a jack. When the jack is operated by the operator, the jack can gradually push the gas lock rotor into the cavity of the gas lock for installing the gas lock rotor. The jack selected is a jack with a specification of 5 tons, and the telescopic stroke of the jack is 300 mm.

[0037] The top plate 50 is provided with a groove 52 at the side facing the rotor clamping ring 10. One end of the pushing piece 40 is placed in the groove 52. In the exemplary embodiment, the pushing piece 40 is selected from a jack, and the base of the main body of the jack is placed in the groove 52. In the exemplary embodiment, the top plate 50 is made of high-strength steel material and has a whole circular plate structure. The thickness of the top plate 50 is 20 mm, the diameter is 500 mm, and a hole with the same size as the position of the opening (rotor clamping ring through hole 11) of the rotor clamping ring 10 is opened. The groove 52 is located at the center of the top plate 50, and the base of the jack is excavated to a depth of 10 mm for convenient installation and placement of the jack. In the implementation, the pushing piece 40 of the jack is preferably placed horizontally, which can be vertically limited by the groove 52 to support the base of the jack and avoid falling during use.

[0038] The tool for replacing the gas lock rotor seal further comprises an alignment sleeve 60. The alignment sleeve 60 is provided with a clamping groove 61 at both ends. The clamping grooves 61 at both ends of the alignment sleeve 60 are used to sleeve the one end of the pushing piece 40 and the shaft end of the gas lock rotor, respectively. By setting the alignment sleeve 60, the shaft end of the gas lock rotor and the one end of the pushing piece 40 are inserted into the clamping grooves 61 at both ends of the alignment sleeve 60 and abut with the groove bottom of the clamping grooves 61, which can realize the connection of the pushing piece 40 and the gas lock rotor, and at the same time rely on the alignment sleeve 60 to support the other end of the jack.

[0039] In an exemplary embodiment, when the gas lock rotor 80 is installed into the cavity of the gas lock 100 for installing the gas lock rotor, the gas lock rotor is first partially installed into the cavity, the two screw rods 20 are passed through the rotor clamping ring through hole 11 and the screw hole of the end surface of the gas lock, and then the rotor clamping ring 10 is moved to sleeve the rotor clamping ring 10 at the outer periphery of the rotor seal rubber strip and the diffusion seal ring at the end position of the gas lock rotor, as shown in Figure 3As shown, at this time, under the action of the screw rod 20, the rotor snap ring 10, the airlock rotor 80 and the chamber of the airlock mounting the airlock rotor are coaxial, the operator pushes or gradually pushes the airlock rotor 80 into the chamber through the pusher 40, at this time, the rotor snap ring 10 moves together with the airlock rotor 80, until the rotor snap ring 10 is attached to the end face of the airlock 100, and then the locking nut 30 on the screw rod 20 and the top plate 50 is tightened to fix the rotor snap ring 10 and the top plate 50, at this time, as shown in Figure 4 As shown, the airlock rotor 80 is slowly pushed into the chamber of the airlock 100 by the pusher 40 which is operated as a jack, under the action of the rotor snap ring 10, the diffusion sealing ring at the end of the airlock rotor 80 slowly and smoothly enters the chamber of the airlock 100, so that the diffusion sealing ring is not scratched and damaged, and similarly, the rotor sealing rubber strip can also be prevented from being damaged during the process of pushing the airlock rotor 80 into the chamber of the airlock 100. After the airlock rotor 80 is pushed and installed in place, the locking nut 30 is unscrewed to remove the screw rod 20 from the airlock 100.

[0040] The tool for replacing the airlock rotor seal can quickly install the airlock rotor when the diffusion sealing ring or the sealing rubber strip of the airlock rotor needs to be replaced, the installation process is not only convenient for maintenance personnel to install the airlock rotor, but also prevents the airlock shaft head from being worn due to prying the airlock with a crowbar or knocking the airlock with a hammer, and can effectively prevent the diffusion sealing ring and the rotor sealing rubber strip from being scratched and damaged, while greatly reducing the number of disassembly and assembly personnel and saving maintenance time, time is fast, safe and reliable.

[0041] In the preferred embodiment, the tool for replacing the airlock rotor seal further comprises a support frame 70 for supporting the end of the screw rod 20 away from the rotor snap ring 10. In implementation, since the top plate 50, the pusher 40 and the like have a certain weight, the screw rod 20 is prone to sag, and the support frame 70 is arranged to support the screw rod 20, so as to ensure that the screw rod 20 is straight, so as to keep the rotor snap ring 10 coaxial with the airlock rotor as much as possible, and effectively prevent the rotor sealing rubber strip from being scratched and damaged during installation.

[0042] In the example embodiment, the support frame 70 comprises a base 71, a screw rod 72, a light pole 73, a crossbar 74 and a sliding block 75. The light pole 73 is vertically arranged and fixed on the base 71. There are two light poles 73, which are arranged on both sides of the screw rod 72. The crossbar 74 is fixed on the top of the light pole 73. The screw rod 72 is vertically arranged and rotatably arranged on the base 71 through a bearing 78. The top of the screw rod 72 penetrates the crossbar 74 and is rotatably connected with the crossbar 74 through the bearing 78. The screw rod 72, penetrating the top of the crossbar 74, is provided with a driving member 76 for driving the screw rod 72 to rotate. The sliding block 75 is provided with a screw hole and a through hole. The sliding block 75 is matched and installed on the screw rod 72 through the screw hole and is installed on the light pole 73 through the through hole. In the implementation, the two screw rods 20 are installed on the same height and are then placed on the sliding block 75. The screw rod 72 is driven to rotate by the driving member 76. Under the cooperation of the screw rod 72 and the light pole 73, the sliding block 75 is raised or lowered. The height of the screw rod 20 placed on the sliding block 75 can be adjusted, so that the screw rod 20 can be adjusted to be more straight. The driving member 76 is a ratchet wrench, so as to drive the screw rod 72 to rotate. The end of the ratchet wrench driving member 76 can drive the screw rod 72 to rotate by hand. The sliding block 75 is also provided with a placement through hole 77 for the screw rod 20 to penetrate and support the screw rod 20. The end of the screw rod 20 is placed in the placement through hole 77, so as to support and limit the screw rod 20. The placement through hole 77 is a long slot, which is slightly larger than the screw rod 20, so as to facilitate the insertion of the screw rod 20.

[0043] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which shall be covered within the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A gas lock rotor seal replacement tool characterized by, The utility model relates to a kind of tooling for replacing gas lock rotor seal, including: Rotor snap ring (10) is used to be sleeved into the outer periphery of rotor seal rubber strip and / or diffusion seal ring at the end position of gas lock rotor, a plurality of rotor snap ring through holes (11) corresponding with the screw hole of the end face of gas lock are formed on the rotor snap ring (10); Screw rod (20) is used to pass through the rotor snap ring through hole (11) and the screw hole of the end face of gas lock, and let the rotor snap ring (10) with the cavity of the gas lock installation gas lock rotor coaxial; Lock nut (30) is screwed on the screw rod (20) and located at the end face of the gas lock and the two sides of rotor snap ring (10) in two groups, so that the rotor snap ring (10) can be fixed to the end face of the gas lock when two lock nuts (30) are close to each other; Pusher (40) is used to push the gas lock rotor into the cavity of the gas lock installation gas lock rotor.

2. The tooling for replacing gas lock rotor seal according to claim 1, further comprising: A top plate (50) is provided, and a plurality of top plate through holes (51) are formed in the top plate (50) to allow the screw rod (20) to pass through, and the top plate (50) is sleeved on the screw rod (20) through the top plate through holes (51); The screw rod (20) is screwed with the lock nut (30) at a position away from the rotor snap ring (10), so that the top plate (50) cannot move away from the rotor snap ring (10) along the screw rod (20) when the top plate (50) abuts against the lock nut (30); The pusher (40) is located between the top plate (50) and the gas lock rotor.

3. The tooling for replacing gas lock rotor seal according to claim 2, wherein: The pusher (40) is an electric push rod, a telescopic pneumatic cylinder or a jack, and one end of the pusher (40) is in abutment with the top plate (50), and the other end is used to abut against the gas lock rotor.

4. The tooling for replacing gas lock rotor seal according to claim 2, wherein: A recess (52) is formed in the side of the top plate (50) facing the rotor snap ring (10), and one end of the pusher (40) is placed in the recess (52).

5. The tooling for replacing gas lock rotor seal according to any one of claims 2 to 4, further comprising: An alignment sleeve (60) is provided, and a clamping groove (61) is formed at each end of the alignment sleeve (60), and the clamping grooves (61) at the two ends of the alignment sleeve (60) are used to clamp one end of the pusher (40) and the shaft end of the gas lock rotor, respectively.

6. The tooling for replacing gas lock rotor seal according to claim 1, wherein: A chamfer is formed at the inner ring opening of the side of the rotor snap ring (10) facing the gas lock.

7. The tooling for replacing gas lock rotor seal according to claim 1, further comprising: A support frame (70) is provided to support the end of the screw rod (20) away from the rotor snap ring (10).

8. The tooling for replacing a gas lock rotor seal according to claim 7, wherein the support frame (70) comprises a base (71), a screw rod (72), a light pole (73), a cross bar (74) and a sliding block (75), the light pole (73) is vertically arranged and fixed on the base (71), the cross bar (74) is fixed on the top of the light pole (73), the screw rod (72) is vertically arranged and rotatably arranged on the base (71), the top of the screw rod (72) penetrates through the cross bar (74) and is rotatably connected with the cross bar (74), the screw rod (72) is provided with a driving member (76) on the top thereof penetrating through the cross bar (74) for driving the screw rod (72) to rotate, the sliding block (75) is provided with a screw hole and a through hole, the sliding block (75) is matched and installed on the screw rod (72) through the screw hole and is installed on the light pole (73) through the through hole.

9. The tooling for replacing a gas lock rotor seal according to claim 8, wherein the sliding block (75) is further provided with a locating through hole (77) for penetrating and supporting the screw rod (20).

10. The tooling for replacing a gas lock rotor seal according to claim 8, wherein the driving member (76) is a ratchet wrench.

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