CN215930560U

CN215930560U - Heating furnace cantilever roller head fixing mechanism

Info

Publication number: CN215930560U
Application number: CN202122416722.3U
Authority: CN
Inventors: 刘荣兵
Original assignee: Nanjing Xincanqi Metallurgical Equipment Co ltd
Current assignee: Nanjing Xincanqi Metallurgical Equipment Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-03-01
Anticipated expiration: 2031-10-08

Abstract

The utility model relates to the technical field of roller head fixing mechanisms, and discloses a heating furnace cantilever roller head fixing mechanism which comprises a protective shell, wherein a fixed groove is formed in one side of the protective shell, a roller head is fixedly connected to the inner wall of one side of the fixed groove, one end of the roller head extends to the outer side of the protective shell, a roller center shaft is fixedly connected to the roller head, two moving grooves are formed in the inner wall of one side of the fixed groove, moving plates are connected to the two moving grooves in a sliding mode, one ends of the two moving plates extend into the fixed groove and are fixedly connected with fixed plates, one sides, close to each other, of the two fixed plates are in sliding contact with the top and the bottom of the roller head, and limiting grooves are formed in the inner wall of one side of the two moving grooves. The roller head is fixed by the mutual movement and fixation of the two fixing plates, so that the phenomenon that the roller head falls off is avoided, the problem that the roller head cracks along the key groove direction is effectively solved, the firmness is higher, and the requirements of users are met.

Description

Heating furnace cantilever roller head fixing mechanism

Technical Field

The utility model relates to the technical field of roller head fixing mechanisms, in particular to a heating furnace cantilever roller head fixing mechanism.

Background

At present, heating furnace cantilever is in the use, because the furnace temperature is mostly more than 1000 ℃, the roller head often appears and crackle along the keyway direction, and the welding seam appears the crackle under the effect of high temperature and alternating load, causes the roller head to drop, causes equipment damage.

Generally, the key connection and welding fixing mode is adopted, and cracks are easily generated at the root of the key groove under the action of thermal stress, so that the fixing effect is poor, and the requirements of users cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, a key connection and welding fixing mode is generally adopted, cracks are easily generated at the root of a key groove under the action of thermal stress, the fixing effect is poor, and the requirements of a user cannot be met.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a heating furnace cantilever roller head fixed establishment, which comprises a protective housing, the fixed slot has been seted up to one side of protective housing, fixedly connected with roller head on one side inner wall of fixed slot, and the one end of roller head extends to the outside of protective housing, fixedly connected with roller axis on the roller head, two shifting chutes have been seted up on one side inner wall of fixed slot, equal sliding connection has the movable plate in two shifting chutes, the one end of two movable plates all extends to in the fixed slot and fixedly connected with fixed plate, and two fixed plates are close to each other one side all with the top and the bottom sliding contact of roller head, the spacing groove has all been seted up on one side inner wall of two shifting chutes, the equal fixedly connected with stopper of one end of two movable plates, and two stoppers respectively with corresponding spacing groove sliding connection, equal sliding connection has two positioning mechanism on the top inner wall of fixed slot and the bottom inner wall, two positioning mechanism that lie in same vertical axis respectively with the one side that two corresponding fixed plates kept away from each other Fixedly connected, rotate on the protective housing and be connected with screw thread actuating mechanism, and screw thread actuating mechanism run through two movable plates and with two movable plate threaded connection, screw thread actuating mechanism goes up threaded connection has two thread fixing mechanism, and two thread fixing mechanism all clamps with the top screw thread of protective housing.

Preferably, positioning mechanism includes locating plate, locating plate and two sliders, two constant head tanks have all been seted up on the top inner wall of fixed slot and the bottom inner wall, and two locating plates respectively with corresponding constant head tank sliding connection, the one end that two locating plates that are located on same vertical axis are close to each other all extends to the fixed slot in and with one side fixed connection that two fixed plates kept away from each other, the spout has all been seted up on the both sides inner wall of constant head tank, and two sliders respectively with corresponding spout sliding connection, the one end that two sliders are close to each other all extends to in the constant head tank and with locating plate fixed connection.

Preferably, the thread driving mechanism comprises a bidirectional screw rod and a driving hand wheel, two rotating grooves are formed in the inner wall of the bottom of one of the moving grooves, the same connecting hole is formed in the inner wall of one side, close to each other, of the two moving grooves, a rotating hole is formed in the top of the protective shell and communicated with the other moving groove, the bidirectional screw rod is rotatably connected with the rotating holes, the connecting hole, the rotating grooves and the two moving grooves, the bottom of the bidirectional screw rod penetrates through the two moving plates and is in threaded connection with the two moving plates, and the driving hand wheel is fixedly connected with the top end of the bidirectional screw rod, and extends to the top of the protective shell.

Preferably, the thread fixing mechanism comprises fastening bolts, two threaded holes are formed in the driving hand wheel, the two fastening bolts are respectively and rotatably connected with the corresponding threaded holes, two thread clamping grooves are formed in the top of the protective shell, and the bottom ends of the two fastening bolts are respectively and threadedly clamped with the corresponding thread clamping grooves.

Preferably, the number of the thread clamping grooves is multiple, and the thread clamping grooves are annularly and equidistantly distributed on the top of the protective shell.

Preferably, the rotating groove, the connecting hole and the rotating hole are all fixedly connected with outer rings of bearings, and the bidirectional screw rod is fixedly connected with inner rings of the three bearings.

Compared with the prior art, the utility model provides a heating furnace cantilever roller head fixing mechanism which has the following beneficial effects:

1. according to the roller head fixing mechanism for the cantilever roller of the heating furnace, the roller head is fixed through the arrangement of the protective shell, the fixing groove, the roller head, the roller middle shaft, the moving groove, the moving plate, the fixing plate, the limiting groove, the limiting block, the sliding groove, the sliding block, the rotating groove, the connecting hole, the rotating hole, the bidirectional screw rod and the driving hand wheel, so that the roller head is prevented from falling off, the problem that the roller head cracks along the direction of the key groove is effectively solved, and the firmness is stronger;

2. the heating furnace cantilever roller head fixing mechanism fixes a driving hand wheel through the arrangement of a threaded hole, a fastening bolt, a threaded clamping groove, a positioning groove and a positioning plate;

the roller head is fixed by mutual movement and fixation of the two fixing plates, so that the phenomenon that the roller head falls off is avoided, the problem that the roller head cracks along the key groove direction is effectively solved, the firmness is higher, and the requirements of users are met.

Drawings

FIG. 1 is a schematic front view of a fixing mechanism for a cantilever roller head of a heating furnace according to the present invention;

FIG. 2 is a schematic structural diagram of part A of a cantilever roller head fixing mechanism of a heating furnace according to the present invention;

fig. 3 is a schematic structural diagram of part B of a heating furnace cantilever roller head fixing mechanism according to the present invention.

In the figure: the roller-type double-roller, comprises a protective shell 1, a fixed groove 2, a roller head 3, a roller middle shaft 4, a moving groove 5, a moving plate 7, a limiting groove 8, a limiting block 9, a sliding groove 10, a sliding block 11, a rotating groove 12, a connecting hole 13 connecting hole, a 14 rotating hole, a two-way screw rod 15, a driving hand wheel 16 driving hand wheel, a 17 screw hole 17, a screw groove, a 19 a screw groove, a positioning plate 21 positioning plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

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, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a heating furnace cantilever roller head fixing mechanism comprises a protective shell 1, a fixed groove 2 is formed in one side of the protective shell 1, a roller head 3 is fixedly connected to the inner wall of one side of the fixed groove 2, one end of the roller head 3 extends to the outer side of the protective shell 1, a roller center shaft 4 is fixedly connected to the roller head 3, two moving grooves 5 are formed in the inner wall of one side of the fixed groove 2, moving plates 6 are slidably connected to the two moving grooves 5, one ends of the two moving plates 6 extend into the fixed groove 2 and are fixedly connected with fixed plates 7, the sides, close to each other, of the two fixed plates 7 are in sliding contact with the top and the bottom of the roller head 3, limit grooves 8 are formed in the inner wall of one side of each moving groove 5, limit blocks 9 are fixedly connected to one ends of the two moving plates 6, and the two limit blocks 9 are respectively slidably connected with the corresponding limit grooves 8, equal sliding connection has two positioning mechanism on the top inner wall of fixed slot 2 and the bottom inner wall, and two positioning mechanism that lie in on same vertical axis are respectively with two corresponding fixed plates 7 one side fixed connection of keeping away from each other, rotate on the protective housing 1 and be connected with screw thread actuating mechanism, and screw thread actuating mechanism run through two movable plates 6 and with two movable plate 6 threaded connection, screw thread actuating mechanism goes up threaded connection has two screw thread fixing mechanism, and two screw thread fixing mechanism all clamp with the top screw thread of protective housing 1.

In the utility model, the positioning mechanism comprises a positioning plate 20, a positioning plate 21 and two sliding blocks 11, two positioning grooves 20 are respectively arranged on the inner wall of the top part and the inner wall of the bottom part of the fixing groove 2, the two positioning plates 21 are respectively in sliding connection with the corresponding positioning grooves 20, the ends, close to each other, of the two positioning plates 21 on the same vertical axis extend into the fixing groove 2 and are fixedly connected with the sides, far away from each other, of the two fixing plates 7, sliding grooves 10 are respectively arranged on the inner walls of the two sides of the positioning groove 20, the two sliding blocks 11 are respectively in sliding connection with the corresponding sliding grooves 10, and the ends, close to each other, of the two sliding blocks 11 extend into the positioning grooves 20 and are fixedly connected with the positioning plates 21.

In the utility model, the screw thread driving mechanism comprises a bidirectional screw rod 15 and a driving hand wheel 16, a rotating groove 12 is formed in the inner wall of the bottom of one moving groove 5 of the two moving grooves 5, the same connecting hole 13 is formed in the inner wall of one side, close to each other, of the two moving grooves 5, a rotating hole 14 is formed in the top of the protective shell 1, the rotating hole 14 is communicated with the other moving groove 5, the bidirectional screw rod 15 is rotatably connected with the rotating hole 14, the connecting hole 13, the rotating groove 12 and the two moving grooves 5, the bottom end of the bidirectional screw rod 15 penetrates through the two moving plates 6 and is in threaded connection with the two moving plates 6, and the driving hand wheel 16 is fixedly connected with the top end, extending to the upper part of the protective shell 1, of the bidirectional screw rod 15.

In the utility model, the thread fixing mechanism comprises fastening bolts 18, two threaded holes 17 are formed in the driving hand wheel 16, the two fastening bolts 18 are respectively and rotatably connected with the corresponding threaded holes 17, two thread clamping grooves 19 are formed in the top of the protective shell 1, and the bottom ends of the two fastening bolts 18 are respectively and threadedly clamped with the corresponding thread clamping grooves 19.

In the utility model, the number of the thread clamping grooves 19 is multiple, and the multiple thread clamping grooves 19 are annularly and equidistantly distributed on the top of the protective shell 1.

In the utility model, the outer rings of the bearings are fixedly connected in the rotating groove 12, the connecting hole 13 and the rotating hole 14, and the bidirectional screw rod 15 is fixedly connected with the inner rings of the three bearings.

In the utility model, when in use, the two fastening bolts 18 are screwed to move the two fastening bolts 18 out of the two thread clamping grooves 19, the fixing of the driving hand wheel 16 is released, then the driving hand wheel 16 is rotated, the driving hand wheel 16 drives the two-way screw rod 15 to rotate, three bearings limit the two-way screw rod 15, at the same time, the two-way screw rod 15 drives the two moving plates 6 to move, the two moving plates 6 drive the two limiting blocks 9 to slide in the two limiting grooves 8, the two limiting blocks 9 limit the two moving plates 6, at the same time, the two moving plates 6 drive the two fixing plates 7 to move, the two fixing plates 7 fix the roller head 3, after the roller head 3 is fixed, the driving hand wheel 16 is kept still, the two fastening bolts 18 are screwed anticlockwise to clamp the threads of the two fastening bolts 18 into the two thread clamping grooves 19, and the driving hand wheel 16 is fixed, thereby mutual removal and fixed roller head 3 through two fixed plates 7 are fixed to stopped roller head 3 obscission, effectively solved roller head 3 along the problem of keyway direction crackle, the fastness is stronger, has satisfied user's needs.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A heating furnace cantilever roller head fixing mechanism comprises a protective shell (1) and is characterized in that one side of the protective shell (1) is provided with a fixed groove (2), one side inner wall of the fixed groove (2) is fixedly connected with a roller head (3), one end of the roller head (3) extends to the outer side of the protective shell (1), a roller center shaft (4) is fixedly connected onto the roller head (3), one side inner wall of the fixed groove (2) is provided with two moving grooves (5), moving plates (6) are respectively connected into the two moving grooves (5) in a sliding manner, one ends of the two moving plates (6) respectively extend into the fixed groove (2) and are fixedly connected with fixed plates (7), one sides of the two fixed plates (7) close to each other are respectively in sliding contact with the top and the bottom of the roller head (3), one side inner walls of the two moving grooves (5) are respectively provided with a limiting groove (8), one ends of the two moving plates (6) are respectively fixedly connected with a limiting block (9), and two stopper (9) respectively with corresponding spacing groove (8) sliding connection, equal sliding connection has two positioning mechanism on the top inner wall of fixed slot (2) and the bottom inner wall, two positioning mechanism that lie in on the same vertical axis respectively with two corresponding fixed plate (7) one side fixed connection of keeping away from each other, it is connected with screw thread actuating mechanism to rotate on protective housing (1), and screw thread actuating mechanism run through two movable plates (6) and with two movable plate (6) threaded connection, screw thread connecting has two screw thread fixing mechanism on the screw thread actuating mechanism, and two screw thread fixing mechanism all clamp with the top screw thread of protective housing (1).

2. The heating furnace cantilever roller head fixing mechanism of claim 1, the positioning mechanism comprises a positioning groove (20), a positioning plate (21) and two sliding blocks (11), two positioning grooves (20) are respectively arranged on the inner wall of the top part and the inner wall of the bottom part of the fixing groove (2), and the two positioning plates (21) are respectively connected with the corresponding positioning grooves (20) in a sliding way, the ends of the two positioning plates (21) which are positioned on the same vertical axis and close to each other extend into the fixing groove (2) and are fixedly connected with the sides of the two fixing plates (7) which are far away from each other, the inner walls of the two sides of the positioning grooves (20) are both provided with sliding chutes (10), and the two sliding blocks (11) are respectively connected with the corresponding sliding grooves (10) in a sliding manner, and one ends of the two sliding blocks (11) which are close to each other extend into the positioning grooves (20) and are fixedly connected with the positioning plates (21).

3. The heating furnace cantilever roller head fixing mechanism of claim 1, the thread driving mechanism comprises a bidirectional screw rod (15) and a driving hand wheel (16), a rotating groove (12) is formed in the inner wall of the bottom of one moving groove (5) of the two moving grooves (5), the inner wall of one side, close to each other, of the two moving grooves (5) is provided with a same connecting hole (13), a rotating hole (14) is formed in the top of the protective shell (1), the rotating hole (14) is communicated with the other moving groove (5), and the bidirectional screw rod (15) is rotatably connected with the rotating hole (14), the connecting hole (13), the rotating groove (12) and the two moving grooves (5), the bottom end of the bidirectional screw rod (15) penetrates through the two moving plates (6) and is in threaded connection with the two moving plates (6), and the driving hand wheel (16) is fixedly connected with the top end of the bidirectional screw rod (15) extending to the upper part of the protective shell (1).

4. The heating furnace cantilever roller head fixing mechanism according to claim 3, wherein the thread fixing mechanism comprises a fastening bolt (18), the driving hand wheel (16) is provided with two threaded holes (17), the two fastening bolts (18) are respectively and rotatably connected with the corresponding threaded holes (17), the top of the protective shell (1) is provided with two thread clamping grooves (19), and the bottom ends of the two fastening bolts (18) are respectively and threadedly clamped with the corresponding thread clamping grooves (19).

5. The heating furnace cantilever roller head fixing mechanism of claim 4, wherein the number of the thread clamping grooves (19) is multiple, and the multiple thread clamping grooves (19) are distributed on the top of the protective shell (1) in an annular shape at equal intervals.

6. The heating furnace cantilever roller head fixing mechanism according to claim 3, wherein the rotating groove (12), the connecting hole (13) and the rotating hole (14) are all fixedly connected with outer rings of bearings, and the bidirectional screw rod (15) is fixedly connected with inner rings of the three bearings.