Shaft seal taking-out device of air blower

Abstract

The utility model discloses a device for taking out a shaft seal of an air blower, which relates to the technical field of replacement and taking out of the shaft seal during maintenance of a coal gas recovery air blower in the coke chemical industry and comprises a straining beam, a first pull rod, a second pull rod, a first telescopic piece and a second telescopic piece. One end of the second pull rod is in threaded connection with a second threaded hole in the second end face of the shaft seal, and the other end of the second pull rod is detachably and fixedly connected with the straining beam. The bottom of the first telescopic piece is placed on the cylinder body on one side of the shaft seal, and the top end of the first telescopic piece abuts against the straining beam. The bottom of the second telescopic part is placed on the cylinder body on the other side of the shaft seal, the top end of the second telescopic part abuts against the straining beam, the first telescopic part and the second telescopic part synchronously extend to drive the straining beam to move in the direction away from the shaft seal so that the shaft seal can be pulled out through the first handrail and the second pull rod, the structure is simple, use is convenient, and the overhauling efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft seal replacement and removal in the overhaul of a gas recovery blower in the coal coke chemical industry, in particular to a blower shaft seal removal device. Background Art

[0002] In the coal tar chemical industry, the gas recovery blower needs to be replaced and removed during maintenance. The conventional method of removing the shaft seal is to knock and vibrate it with a copper rod. If it is not very tight, it can generally be removed slowly. However, during the replacement and maintenance of the shaft seal, the shaft seal is often subjected to high temperature, high pressure, corrosion and coal tar for a long time, which easily produces oxide scale, scale or rust on the surface, causing the shaft seal back arc and the mounting groove to be stuck and difficult to separate, and cannot be removed normally, affecting the maintenance process. Utility Model Content

[0003] The utility model aims to provide a blower shaft seal removal device to solve the problems existing in the above-mentioned prior art, with simple structure, convenient use and effective improvement of maintenance efficiency.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a blower shaft seal removal device, comprising: a pull beam, a first pull rod, a second pull rod, a first telescopic member and a second telescopic member, one end of the first pull rod is used for threaded connection with a first threaded hole on a first end face of the shaft seal, and the other end is used for detachably fixed connection with the pull beam; one end of the second pull rod is used for threaded connection with a second threaded hole on a second end face of the shaft seal, and the other end is used for detachably fixed connection with the pull beam; the bottom of the first telescopic member is used for being placed on a cylinder body on one side of the shaft seal, and the top of the first telescopic member is used for tightening the pull beam; the bottom of the second telescopic member is used for being placed on the cylinder body on the other side of the shaft seal, and the top of the second telescopic member is used for tightening the pull beam, and the synchronous extension of the first telescopic member and the second telescopic member can drive the pull beam to move in a direction away from the shaft seal so that the first pull rod and the second pull rod can pull out the shaft seal.

[0006] Preferably, it also includes at least one first nut and a first gasket, each of the first nuts is used to be threadedly connected to the first pull rod on the side of the pull beam away from the shaft seal, and the first gasket is sleeved on the first pull rod between the first nut and the pull beam.

[0007] Preferably, it also includes at least one second nut and a second gasket, each of the second nuts is used for threaded connection with the second pull rod on the side of the pull beam away from the shaft seal, and the second gasket is sleeved on the second pull rod between the second nut and the pull beam.

[0008] Preferably, a long hole is provided in the middle of the tension beam, and both the first tension rod and the second tension rod pass through the long hole.

[0009] Preferably, the tension beam comprises a first channel steel, a second channel steel, a first top tightening plate, a second top tightening plate and a plurality of connecting plates, the first channel steel and the second channel steel are arranged in parallel, and the web of the first channel steel is arranged close to the web of the second channel steel, and a gap is arranged between the web of the first channel steel and the web of the second channel steel, the gap is the long strip hole, one end of the connecting plate is fixedly connected to the first channel steel, and the other end is fixedly connected to the second channel steel, the connecting plate is provided on the upper and lower sides of the first channel steel and the second channel steel, one end of the first top tightening plate is fixedly connected to the lower wing plate of the first end of the first channel steel, and the other end is fixedly connected to the lower wing plate of the first end of the second channel steel, one end of the second top tightening plate is fixedly connected to the lower wing plate of the second end of the first channel steel, and the other end is fixedly connected to the lower wing plate of the second end of the second channel steel, the first top tightening plate is used to contact and connect with the top end of the first telescopic member, and the second top tightening plate is used to contact and connect with the top end of the second telescopic member.

[0010] Preferably, the tension beam also includes a first handle and a second handle, one end of the first handle is fixedly connected to the upper wing plate of the first end of the first channel steel, and the other end is fixedly connected to the upper wing plate of the first end of the second channel steel, one end of the second handle is fixedly connected to the upper wing plate of the second end of the first channel steel, and the other end is fixedly connected to the upper wing plate of the second end of the second channel steel.

[0011] Preferably, the first telescopic member is a first jack, the second telescopic member is a second jack, and both the first jack and the second jack are 20T hydraulic jacks.

[0012] Preferably, the first pull rod is welded together by two M18×1.5 bolts with a strength grade of 12.9, and both ends of the first pull rod are threaded ends. The length of the bolt is 260 mm, and the structure of the second pull rod is the same as that of the first pull rod.

[0013] Preferably, the first pad is made of round steel with a thickness of 20 mm, and its outer diameter is greater than the width of the elongated hole; the second pad is made of round steel with a thickness of 20 mm, and its outer diameter is greater than the width of the elongated hole.

[0014] Compared with the prior art, the utility model has achieved the following technical effects:

[0015] The utility model provides a blower shaft seal removal device, wherein one end of a first pull rod is threadedly connected to a first threaded hole on a first end face of the shaft seal, and the other end is detachably fixedly connected to the pull beam, the second pull rod is threadedly connected to a second threaded hole on a second end face of the shaft seal, and the pull beam is detachably fixedly connected; a first telescopic member is placed on a cylinder body on one side of the shaft seal, and the top end of the first telescopic member is pressed against the pull beam, and the second telescopic member is placed on the cylinder body on the other side of the shaft seal, and the top end of the second telescopic member is pressed against the pull beam, and the first telescopic member and the second telescopic member are synchronously extended to drive the pull beam to move in a direction away from the shaft seal so that the first pull rod and the second pull rod can pull out the shaft seal. The utility model has a simple structure, is easy to use, and effectively improves maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 A schematic diagram of the structure of the blower shaft seal removal device provided by the utility model when in use;

[0018] Figure 2 A schematic diagram of the structure of the first pad in the blower shaft seal removal device provided by the utility model;

[0019] Figure 3 A schematic diagram of the structure of the first pull rod in the blower shaft seal removal device provided by the utility model;

[0020] Figure 4 A schematic diagram of the structure of a pull beam in a blower shaft seal removal device provided by the utility model;

[0021] Figure 5 for Figure 4 Side view of

[0022] In the figure: 1. pull beam; 2. first pull rod; 3. second pull rod; 4. first telescopic member; 5. second telescopic member; 6. first pad; 7. second pad; 8. shaft seal; 9. cylinder body; 10. first handle; 11. second handle; 12. first channel steel; 13. second channel steel; 14. connecting plate; 15. first tightening plate; 16. second tightening plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model aims to provide a blower shaft seal removal device to solve the problems existing in the above-mentioned prior art, with simple structure, convenient use and effective improvement of maintenance efficiency.

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] Embodiment 1

[0027] This embodiment provides a blower shaft seal removal device, such as Figures 1 to 5 As shown, it includes: a tension beam 1, a first tension rod 2, a second tension rod 3, a first telescopic member 4 and a second telescopic member 5, one end of the first tension rod 2 is used for threaded connection with the first threaded hole on the first end face of the shaft seal 8, and the other end is used for detachably fixed connection with the tension beam 1; one end of the second tension rod 3 is used for threaded connection with the second threaded hole on the second end face of the shaft seal 8, and the other end is used for detachably fixed connection with the tension beam 1; the bottom of the first telescopic member 4 is used for being placed on the cylinder body 9 on one side of the shaft seal 8, and the top of the first telescopic member 4 is used for tightening the tension beam 1; the bottom of the second telescopic member 5 is used for being placed on the cylinder body 9 on the other side of the shaft seal 8, and the top of the second telescopic member 5 is used for tightening the tension beam 1, and the synchronous extension of the first telescopic member 4 and the second telescopic member 5 can drive the tension beam 1 to move away from the shaft seal 8. Move forward to pull out the shaft seal 8 with the first pull rod and the second pull rod 3, thread one end of the first pull rod 2 is threadedly connected to the first threaded hole on the first end surface of the shaft seal 8, and the other end is detachably fixedly connected to the pull beam 1, the second pull rod 3 is threadedly connected to the second threaded hole on the second end surface of the shaft seal 8, and the pull beam 1 is detachably fixedly connected; place the first telescopic member 4 on the cylinder body 9 on one side of the shaft seal 8, and the top end of the first telescopic member 4 is pressed against the pull beam 1, and place the second telescopic member 5 on the cylinder body 9 on the other side of the shaft seal 8, and the top end of the second telescopic member 5 is pressed against the pull beam 1, the first telescopic member 4 and the second telescopic member 5 are synchronously extended to drive the pull beam 1 to move away from the shaft seal 8 to pull out the shaft seal 8 with the first pull rod and the second pull rod 3. The structure is simple, easy to use, and effectively improves the maintenance efficiency.

[0028] In a preferred scheme of the present embodiment, the blower shaft seal removal device also includes at least one first nut and a first gasket 6, each first nut is used to be threadedly connected to the first pull rod 2 on the side of the pull beam 1 away from the shaft seal, and the first gasket 6 is sleeved on the first pull rod 2 between the first nut and the pull beam 1. It has a simple structure and is easy to operate, and can enable the pull beam 1 to pull the first pull rod 2 to move when it moves in a direction away from the shaft seal 8.

[0029] In a preferred solution of the present embodiment, the blower shaft seal removal device also includes at least one second nut and a second gasket 7, each second nut is used to be threadedly connected to the second pull rod 3 on the side of the pull beam 1 away from the shaft seal, and the second gasket 7 is sleeved on the second pull rod 3 between the second nut and the pull beam 1. It has a simple structure and is easy to operate, and can enable the pull beam 1 to pull the second pull rod 3 to move when it moves in a direction away from the shaft seal 8.

[0030] In a preferred solution of the present embodiment, a long hole is provided in the middle of the pull beam 1, and the first pull rod 2 and the second pull rod 3 both pass through the long hole. The long hole enables the positions of the first pull rod 2 and the second pull rod 3 on the pull beam 1 to be changed, thereby being able to adapt to shaft seals of different sizes and having better applicability.

[0031] In a preferred solution of the present embodiment, the tension beam 1 includes a first channel steel 12, a second channel steel 13, a first top plate 15, a second top plate 16 and a plurality of connecting plates 14, the first channel steel 12 and the second channel steel 13 are arranged in parallel, and the web of the first channel steel 12 is arranged close to the web of the second channel steel 13, and a gap is arranged between the web of the first channel steel and the web of the second channel steel, and the gap is a long hole, one end of the connecting plate 14 is fixedly connected to the first channel steel 12, and the other end is fixedly connected to the second channel steel 13, the first channel steel 12 and the second channel steel 13 are both provided with connecting plates 14 on the upper and lower sides, and one end of the first top plate 15 is first The lower wing plate of the first end of the channel steel 12 is fixedly connected, and the other end is fixedly connected to the lower wing plate of the first end of the second channel steel 13. One end of the second top clamping plate 16 is fixedly connected to the lower wing plate of the second end of the first channel steel 12, and the other end is fixedly connected to the lower wing plate of the second end of the second channel steel 13. The first top clamping plate 15 is used to contact and connect with the top end of the first telescopic member 4, and the second top clamping plate 16 is used to contact and connect with the top end of the second telescopic member 5. The first channel steel 12 and the second channel steel 13 are 16# channel steels with a simple structure and convenient material acquisition. The long strip holes between the first channel steel 12 and the second channel steel 13 of the tension beam 1 are spaced at a gap of 500×18mm.

[0032] In a preferred scheme of the present embodiment, the pull beam 1 also includes a first handle 10 and a second handle 11, one end of the first handle 10 is fixedly connected to the upper wing plate of the first end of the first channel steel 12, and the other end is fixedly connected to the upper wing plate of the first end of the second channel steel 13, one end of the second handle 11 is fixedly connected to the upper wing plate of the second end of the first channel steel 12, and the other end is fixedly connected to the upper wing plate of the second end of the second channel steel 13, so as to facilitate the movement of the cabinet pull beam 1.

[0033] In a preferred solution of the present embodiment, the first telescopic member 4 is a first jack, the second telescopic member 5 is a second jack, and both the first jack and the second jack are 20T hydraulic jacks, which have a simple structure and are easy to obtain.

[0034] In a preferred solution of this embodiment, the first pull rod 2 is fixed and welded together by two M18×1.5 bolts with a strength grade of 12.9, and both ends of the first pull rod 2 are threaded ends. The bolt length is 260 mm, and the structure of the second pull rod 3 is the same as that of the first pull rod 2.

[0035] In a preferred solution of the present embodiment, the first pad 6 is made of circular steel with a thickness of 20 mm, an outer diameter of φ80 mm, and an inner diameter of φ18+0.3 mm. The outer diameter of the first pad 6 is greater than the width of the long hole. The second pad 7 is made of circular steel with a thickness of 20 mm, an outer diameter of φ80 mm, and an inner diameter of φ18+0.3 mm. The outer diameter of the second pad 7 is greater than the width of the long hole.

[0036] Embodiment 2

[0037] The present embodiment also provides a blower shaft seal removal device of embodiment 1, comprising the following steps: firstly, a first threaded hole is opened on the first end face of the shaft seal 8, a second threaded hole is opened on the second end face of the shaft seal 8, one end of the first tie rod 2 is threadedly connected to the first threaded hole on the first end face of the shaft seal 8, and the other end passes through the long hole of the tie beam 1, a first gasket 6 is sleeved on the first tie rod 2 passing through the long hole, and is threadedly connected to the first nut, one end of the second tie rod 3 is threadedly connected to the second threaded hole on the second end face of the shaft seal 8, and the other end passes through the long hole of the tie beam 1, and the first gasket 6 is sleeved on the first tie rod 2 passing through the long hole, and is threadedly connected to the first nut, The second tie rod 3 of the hole is sleeved with the second pad 7 and is threadedly connected with the second nut. The first jack is placed on the cylinder body 9 on one side of the shaft seal 8, and the top of the first jack is pressed against the first pressing plate 15. The second jack is placed on the cylinder body 9 on the other side of the shaft seal 8, and the top of the second extension jack is pressed against the second pressing plate 16. The synchronous extension of the first jack and the second jack can drive the tension beam 1 to move away from the shaft seal 8 to pull the shaft seal 8 out with the first tie rod and the second tie rod 3, and drive the shaft seal 8 to separate from the cylinder body 9. When the pressure is too high, the shaft seal 8 can be smoothly removed by knocking and vibrating with a copper rod. The above-mentioned removal device can smoothly complete the removal of the shaft seal 8 without damaging the shaft seal 8, ensure the reuse of the shaft seal 8, and reduce the scrap rate of the shaft seal 8.

[0038] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A blower shaft seal removal device, characterized in that: include: Pull the beam, A first pull rod, one end of which is used for threaded connection with a first threaded hole on a first end surface of the shaft seal, and the other end of which is used for detachably fixed connection with the pull beam; A second pull rod, one end of which is used for threaded connection with the second threaded hole on the second end surface of the shaft seal, and the other end of which is used for detachably fixed connection with the pull beam; A first telescopic member, wherein the bottom of the first telescopic member is used to be placed on the cylinder body on one side of the shaft seal, and the top of the first telescopic member is used to tighten the tension beam; as well as The second telescopic member, the bottom of the second telescopic member is used to be placed on the cylinder body on the other side of the shaft seal, the top of the second telescopic member is used to tighten the tension beam, the first telescopic member and the second telescopic member extend synchronously to drive the tension beam to move away from the shaft seal so that the first pull rod and the second pull rod can pull out the shaft seal.

2. The blower shaft seal removal device according to claim 1, characterized in that: It also includes at least one first nut and a first gasket, each of the first nuts is used to be threadedly connected to the first pull rod on the side of the pull beam away from the shaft seal, and the first gasket is sleeved on the first pull rod between the first nut and the pull beam.

3. The blower shaft seal removal device according to claim 2, characterized in that: It also includes at least one second nut and a second gasket, each of the second nuts is used to be threadedly connected to the second pull rod on the side of the pull beam away from the shaft seal, and the second gasket is sleeved on the second pull rod between the second nut and the pull beam.

4. The blower shaft seal removal device according to claim 3, characterized in that: A long hole is provided in the middle of the tension beam, and both the first tension rod and the second tension rod pass through the long hole.

5. The blower shaft seal removal device according to claim 4, characterized in that: The tension beam includes a first channel steel, a second channel steel, a first top tightening plate, a second top tightening plate and a plurality of connecting plates, the first channel steel and the second channel steel are arranged in parallel, and the web of the first channel steel is arranged close to the web of the second channel steel, and a gap is arranged between the web of the first channel steel and the web of the second channel steel, and the gap is the long strip hole, one end of the connecting plate is fixedly connected to the first channel steel, and the other end is fixedly connected to the second channel steel, the first channel steel and the second channel steel are both provided with the connecting plate on the upper and lower sides, one end of the first top tightening plate is fixedly connected to the lower wing plate of the first end of the first channel steel, and the other end is fixedly connected to the lower wing plate of the first end of the second channel steel, one end of the second top tightening plate is fixedly connected to the lower wing plate of the second end of the first channel steel, and the other end is fixedly connected to the lower wing plate of the second end of the second channel steel, the first top tightening plate is used to contact and connect with the top end of the first telescopic member, and the second top tightening plate is used to contact and connect with the top end of the second telescopic member.

6. The blower shaft seal removal device according to claim 5, characterized in that: The tension beam also includes a first handle and a second handle, one end of the first handle is fixedly connected to the upper wing plate of the first end of the first channel steel, and the other end is fixedly connected to the upper wing plate of the first end of the second channel steel; one end of the second handle is fixedly connected to the upper wing plate of the second end of the first channel steel, and the other end is fixedly connected to the upper wing plate of the second end of the second channel steel.

7. The blower shaft seal removal device according to claim 1, characterized in that: The first telescopic member is a first jack, the second telescopic member is a second jack, and both the first jack and the second jack are 20T hydraulic jacks.

8. The blower shaft seal removal device according to claim 1, characterized in that: The first pull rod is welded together by two M18×1.5 bolts with a strength grade of 12.9, and both ends of the first pull rod are threaded ends. The length of the bolt is 260 mm, and the structure of the second pull rod is the same as that of the first pull rod.

9. The blower shaft seal removal device according to claim 5, characterized in that: The first pad is made of round steel with a thickness of 20 mm, and its outer diameter is greater than the width of the long hole. The second pad is made of round steel with a thickness of 20 mm, and its outer diameter is greater than the width of the long hole.

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