Fixing device for solving fan vibration caused by looseness of embedded bolt foundation

Abstract

The utility model discloses a fixing device for solving fan vibration caused by looseness of an embedded bolt foundation, and relates to the technical field of blast furnace dust removal, the fixing device comprises a base, a fan bearing seat, a portal frame and a telescopic limiting piece, the base is used for being fixedly connected with a concrete foundation through an embedded foundation bolt; the fan bearing seat is detachably and fixedly connected to the top of the base, and the fan bearing seat is used for being connected with a blast furnace dust removal fan so as to fix the blast furnace dust removal fan; the bottom of the portal frame is fixedly connected with a concrete foundation; the top end of the telescopic limiting piece is used for being fixedly connected with the portal frame, the bottom end of the telescopic limiting piece is used for abutting against the loose pre-embedded foundation bolt on the base, the top of the loose pre-embedded foundation bolt can be wrapped and fixed, the structure is simple, use is convenient, and vibration of the blast furnace dust removal fan is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to blast furnace dust removal technical field, in particular to a kind of fixing device for solving that embedded bolt base loosening causes fan vibration. BACKGROUND

[0002] Large mechanical equipment is usually fixed by anchor bolt, one end is fixed in concrete, and the other end screw thread is fixed structure component or mechanical equipment.

[0003] Blast furnace dust removal fan is placed outdoors, is subjected to fan vibration, environmental corrosion, fan's weight and various external forces acting on fan connecting base. These external forces make fan bearing base produce pull-up and press-down and transverse external force, cause anchor bolt bending, thread damage or position deviation too large etc. During routine maintenance, point inspection personnel find that one anchor bolt of fan connecting base loosens, can cause fan vibration irregular, amplitude is too large, and serious possible accident, affect personal safety, so continue a kind of device and method can continue to be fixed to blast furnace dust removal fan after one anchor bolt loosens to avoid vibration. UTILITARIAN CONTENT

[0004] The utility model aims at providing a kind of fixing device for solving that embedded bolt base loosening causes fan vibration, to solve the problems existing in the prior art, simple structure, convenient to use, effectively avoid blast furnace dust removal fan vibration.

[0005] To achieve the above object, the utility model provides the following scheme:

[0006] The utility model provides a kind of fixing device for solving that embedded bolt base loosening causes fan vibration, comprising: base, fan bearing seat, portal frame and telescopic limiting piece, the base is used to be fixedly connected with concrete foundation by embedded anchor bolt;Fan bearing seat can be detachably fixedly connected at the top of the base, and the fan bearing seat is used to be connected with blast furnace dust removal fan to fix the blast furnace dust removal fan;The bottom of the portal frame is used for the concrete foundation fixed connection;The top end of the telescopic limiting piece is used for being fixedly connected with the portal frame, and the bottom end of the telescopic limiting piece is used for being tightly connected with the position of loosened embedded anchor bolt on the base, and the top of loosened embedded anchor bolt can be wrapped and fixed.

[0007] Preferably, the fixing device further comprises a first fixing plate and a second fixing plate, the first fixing plate and the second fixing plate are fixedly connected to two sides of the concrete foundation respectively, the portal frame comprises a first supporting column, a second supporting column and a cross beam, two ends of the cross beam are fixedly connected to top ends of the first supporting column and the second supporting column respectively, a bottom end of the first supporting column is used for being welded and fixed with the first fixing plate, a bottom end of the second supporting column is used for being welded and fixed with the second fixing plate, and a top of the telescopic limiting piece is used for being welded and fixed with the cross beam.

[0008] Preferably, the telescopic limiting piece comprises a connecting rod, an abutting plate and a jack, a top of the connecting rod is used for being fixedly connected with the cross beam, the abutting plate is used for being fixedly connected with a bottom of the connecting rod, a top of the jack is used for abutting connection with the abutting plate, and a bottom of the jack is used for being wrapped and fixed with a top of the loose embedded anchor bolt.

[0009] Preferably, a limiting hole is arranged at the bottom of the jack, and the limiting hole is used for being sleeved and fixed outside a top of the loose embedded anchor bolt.

[0010] Preferably, a plurality of fasteners are arranged along a circumferential direction of the fan bearing seat, one end of each fastener is used for being connected with the base, and the other end is used for being connected with the fan bearing seat to limit movement or rotation of the fan bearing seat.

[0011] Preferably, the fastener comprises a nut and a fixing bolt, the nut is used for being fixedly connected with the base, a plurality of positioning holes are arranged along a circumferential direction of the fan bearing seat, and the fixing bolt is used for being threadedly connected with the nut and penetrating through one end of the nut to be inserted into the positioning hole.

[0012] Preferably, the number of the fasteners is eight.

[0013] The utility model discloses relative to prior art has obtained following technical effect:

[0014] The utility model discloses a kind of fixing devices for solving embedded bolt foundation loosening caused fan vibration, during routine maintenance, spot inspection personnel finds that one anchor bolt of fan connecting base is loose, portal frame is fixedly connected with concrete foundation fixedly connected, the top of telescopic limiting piece is fixedly connected with portal frame, the bottom of telescopic limiting piece is tightly connected with the position of loose embedded anchor bolt on base, and loose embedded anchor bolt top can be wrapped and fixed, structure is simple, convenient to use, effectively avoid blast furnace dust fan vibration. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or in the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only represent some of the embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0016] Figure 1 The structural diagram of the fixing device for solving the vibration of the fan caused by the loosening of the embedded bolt foundation is provided in the present application.

[0017] Figure 2 The plan view of the fan bearing seat in the fixing device for solving the vibration of the fan caused by the loosening of the embedded bolt foundation is provided in the present application.

[0018] In the drawing: 1, first fixing plate; 2, gantry; 3, concrete foundation; 4, jack; 5, connecting rod; 6, fixing bolt; 7, nut; 8, fan bearing seat; 9, loosened embedded anchor bolt; 10, base. DETAILED DESCRIPTION

[0019] The technical solutions 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 only represent some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without any creative effort belong to the scope of protection of the present application.

[0020] The purpose of the present application is to provide a fixing device for solving the vibration of the fan caused by the loosening of the embedded bolt foundation, so as to solve the problems in the prior art, and the fixing device has simple structure, is convenient to use, and can effectively avoid the vibration of the blast furnace dust removal fan.

[0021] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail in combination with the drawings and specific embodiments.

[0022] Embodiment one

[0023] The present application provides a fixing device for solving the vibration of the fan caused by the loosening of the embedded bolt foundation, as shown in Figure 1As shown, it comprises: a base 10, a fan bearing seat 8, a gantry 2 and a telescopic limiting piece, the base 10 is used for fixedly connecting with the concrete foundation 3 through embedded anchor bolts; the fan bearing seat 8 is detachably fixedly connected to the top of the base 10, and is used for connecting with the blast furnace dust removal fan to fix the blast furnace dust removal fan; the bottom of the gantry 2 is used for fixedly connecting with the concrete foundation 3; the top end of the telescopic limiting piece is used for fixedly connecting with the gantry 2, and the bottom end of the telescopic limiting piece is used for abutting against the position of the loose embedded anchor bolt 9 on the base 10 and can wrap and fix the top of the loose embedded anchor bolt 9, by arranging the base 10, the fan bearing seat 8, the gantry 2 and the telescopic limiting piece, the loose embedded anchor bolt 9 can be effectively fixed, thereby solving the problem of fan vibration caused by the looseness of the embedded bolt foundation. The connection of the base 10 and the concrete foundation 3 and the connection of the fan bearing seat 8 and the blast furnace dust removal fan ensure the stability of the whole device. The telescopic limiting piece can be adjusted in extension according to the actual situation to adapt to different degrees of looseness of the anchor bolt.

[0024] In one preferred scheme of the embodiment, it further comprises a first fixed plate 1 and a second fixed plate, the first fixed plate 1 and the second fixed plate are fixedly connected to the two sides of the concrete foundation 3 respectively, the gantry 2 comprises a first support column, a second support column and a cross beam, the two ends of the cross beam are fixedly connected with the top ends of the first support column and the second support column respectively, the bottom end of the first support column is used for welding and fixing with the first fixed plate 1, the bottom end of the second support column is used for welding and fixing with the second fixed plate, and the top of the telescopic limiting piece is used for welding and fixing with the cross beam, the arrangement of the first fixed plate 1 and the second fixed plate provides a more stable fixed foundation for the gantry 2. The welding and fixing of the first support column and the second support column of the gantry 2 with the first fixed plate 1 and the second fixed plate and the welding and fixing of the telescopic limiting piece with the cross beam enhance the structural strength of the whole device and improve the fixing effect on the loose anchor bolt.

[0025] In one preferred scheme of the embodiment, the telescopic limiting piece comprises a connecting rod 5, an abutting plate and a jack 4, the top end of the connecting rod 5 is used for fixedly connecting with the cross beam, the abutting plate is used for fixedly connecting with the bottom end of the connecting rod 5, the top end of the jack 4 is used for abutting connection with the abutting plate, and the bottom end of the jack 4 is used for wrapping and fixing the top of the loose embedded anchor bolt 9, the telescopic limiting piece is composed of the connecting rod 5, the abutting plate and the jack 4, and has a simple structure and is practical. The fixed connection of the connecting rod 5 with the cross beam and the fixed connection of the abutting plate with the connecting rod 5 ensure the stable support of the jack 4. The jack 4 can exert pressure on the loose anchor bolt by adjusting the height to achieve effective fixing.

[0026] In one preferred scheme of the embodiment, the bottom of the jack 4 is provided with a limiting hole for sleeving the outer side of the top of the loosened embedded anchor bolt 9. The limiting hole at the bottom of the jack 4 can be accurately sleeved on the outer side of the top of the loosened embedded anchor bolt 9, ensuring the close connection of the jack 4 and the anchor bolt and improving the reliability of the fixation.

[0027] In one preferred scheme of the embodiment, a plurality of fasteners are further included, each of which is arranged along the circumference of the fan bearing seat 8, one end of the fastener being used for connecting with the base 10 and the other end being used for connecting with the fan bearing seat 8 to limit the movement or rotation of the fan bearing seat 8. The arrangement of the plurality of fasteners can effectively limit the movement or rotation of the fan bearing seat 8, thereby further enhancing the stability of the fan. The fasteners arranged along the circumference of the fan bearing seat 8 can fix the fan bearing seat 8 from multiple directions, improving the fixation effect.

[0028] In one preferred scheme of the embodiment, the fastener includes a nut 7 and a fixing bolt 6. The nut 7 is used for fixedly connecting with the base 10. The fan bearing seat 8 is provided with a plurality of positioning holes along the circumference. The fixing bolt 6 is used for threadedly connecting with the nut 7 and penetrating through one end of the nut 7 to be inserted into the positioning hole. The fastener adopts the combined form of the nut 7 and the fixing bolt 6, which is simple in structure and easy to install. The fixed connection of the nut 7 with the base 10 and the threaded connection of the fixing bolt 6 with the nut 7 can ensure the firm connection of the fan bearing seat 8 with the base 10, limit the movement or rotation of the fan bearing seat 8, and improve the stability of the fan.

[0029] In one preferred scheme of the embodiment, the number of the fasteners is eight, which can more stably fix the fan bearing seat 8 from multiple angles, further improving the stability and reliability of the fan.

[0030] Embodiment Two

[0031] The embodiment further provides a use method of the fixing device for solving the vibration of the fan caused by the loosening of the embedded bolt foundation according to the above embodiment, including the following steps.

[0032] During routine maintenance, the inspection personnel found that a foundation bolt of the fan connecting base 10 was loose. The first fixing plate 1 and the second fixing plate were fixedly connected on both sides of the concrete foundation 3 respectively. The top ends of the first support column and the second support column were fixedly connected with the two ends of the cross beam. Then, the bottom end of the first support column was welded and fixed with the first fixing plate 1, and the bottom end of the second support column was welded and fixed with the second fixing plate. The top end of the connecting rod 5 of the telescopic limiting piece was fixedly connected with the cross beam, and the abutment plate was fixedly connected with the bottom end of the connecting rod 5. The top end of the jack 4 was abutted and connected with the abutment plate, and the bottom end of the jack 4 was sleeved on the top outer side of the loose embedded foundation bolt 9 of the base 10. The bottom limiting hole of the jack 4 was used for fixing. The nut 7 was fixedly connected on the base 10, arranged along the circumference of the fan bearing seat 8, and threaded with the fixed bolt 6 and inserted into the positioning hole to ensure firm connection. This step is repeated to install eight fasteners to fix the fan bearing seat 8 from multiple angles.

[0033] According to the actual situation, the height of the jack 4 is adjusted to apply appropriate pressure to the loose foundation bolt to achieve effective fixation. Check whether the connection of each component is tight and firm to ensure the stability of the entire fixing device. Start the blast furnace dust removal fan and observe whether there is abnormal vibration. If there is still vibration, further check and adjust the fixing device until the fan runs smoothly.

[0034] The principle and implementation mode of the specific examples in the utility model are described, and the above embodiment is only used to help understand the method and core idea of the utility model. Meanwhile, for the general technical personnel in the field, according to the idea of the utility model, the specific implementation mode and application range will be changed. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A fixing device for solving the problem of fan vibration caused by loosening of embedded bolt foundation, characterized by: The utility model relates to a high -efficient blast furnace dust removal fan fixing device which comprises: a base for fixed connection with a concrete foundation through embedded anchor bolts; a fan bearing seat which is detachably fixed to the top of the base and used for connecting with a blast furnace dust removal fan to fix the blast furnace dust removal fan; a portal frame whose bottom is used for fixed connection with the concrete foundation; and a telescopic limiting piece whose top end is used for fixed connection with the portal frame and whose bottom end is used for abutting against the position of loose embedded anchor bolts on the base and wrapping and fixing the top of the loose embedded anchor bolts. The utility model further comprises a first fixed plate and a second fixed plate which are respectively fixed to the two sides of the concrete foundation, and the portal frame comprises a first support column, a second support column and a cross beam, the two ends of the cross beam are respectively fixed to the top ends of the first support column and the second support column, the bottom end of the first support column is used for welding with the first fixed plate, the bottom end of the second support column is used for welding with the second fixed plate, and the top of the telescopic limiting piece is used for welding with the cross beam.

2. The fixing device for solving the vibration of the fan caused by the looseness of the embedded bolt foundation according to claim 1, characterized in that: The telescopic limiting piece comprises a connecting rod, an abutting plate and a jack, the top end of the connecting rod is used for fixed connection with the cross beam, the abutting plate is used for fixed connection with the bottom end of the connecting rod, the top end of the jack is used for abutting connection with the abutting plate, and the bottom end of the jack is used for wrapping and fixing the top of the loose embedded anchor bolts.

3. The fixing device for solving the vibration of the fan caused by the looseness of the embedded bolt foundation according to claim 2, characterized in that: The bottom of the jack is provided with a limiting hole which is used for sleeving and fixing outside the top of the loose embedded anchor bolts.

4. The fixing device for solving the vibration of the fan caused by the looseness of the embedded bolt foundation according to claim 3, characterized in that: The utility model further comprises a plurality of fasteners which are arranged along the circumference of the fan bearing seat, one end of each fastener is used for connection with the base, and the other end is used for connection with the fan bearing seat to limit the movement or rotation of the fan bearing seat.

5. The fixing device for solving the vibration of the fan caused by the looseness of the embedded bolt foundation according to claim 1, characterized in that: The fastener comprises a nut and a fixing bolt, the nut is used for fixed connection with the base, the circumference of the fan bearing seat is provided with a plurality of positioning holes, and the fixing bolt is used for threaded connection with the nut and is used for inserting into the positioning holes through one end of the nut.

6. The fixing device for solving the vibration of the fan caused by the looseness of the embedded bolt foundation according to claim 5, characterized in that: The number of the fasteners is eight.

7. The fixing device for solving the vibration of the fan caused by the looseness of the embedded bolt foundation according to claim 6, characterized in that: ​

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