CN204921922U - Prevent structure of an axial float - Google Patents

Prevent structure of an axial float Download PDF

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Publication number
CN204921922U
CN204921922U CN201520646293.0U CN201520646293U CN204921922U CN 204921922 U CN204921922 U CN 204921922U CN 201520646293 U CN201520646293 U CN 201520646293U CN 204921922 U CN204921922 U CN 204921922U
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China
Prior art keywords
axle
axial float
bolt
float according
sides
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CN201520646293.0U
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Chinese (zh)
Inventor
高鹏飞
李润平
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Co Ltd Of Beijing Electrical Equipment Factory
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Co Ltd Of Beijing Electrical Equipment Factory
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Priority to CN201520646293.0U priority Critical patent/CN204921922U/en
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Abstract

The utility model relates to a prevent structure of an axial float, including the bolt, the structure includes two apron and two bolts, two apron set up the both sides at the axle respectively, two bolts pass respectively two apron controls the axle is in axial drunkenness volume. The utility model discloses the structure of control rocking arm axle axial float, it is simply distinct, can guarantee the safe operation of equipment, reduce the fault reduces the cost. The structure is through the adjustment the bolt passes through the length of apron, adjustment rocking arm axle axial float volume, easy operation, simple to operate.

Description

A kind of structure preventing axle axial float
Technical field
The utility model belongs to technical field of mechanical equipment, relates to a kind of structure preventing axle axial float.
Background technique
Axle construction is had in many machinery, when equipment operationally, axle is often subject to the effect of loading force, especially pitman arm shaft, when moving, if axial movement value is excessive, will cause equipment can not normal operation, and along with the increase of equipment task time; the axial movement value of pitman arm shaft can change; need during maintenance to adjust, increase maintenance load, easily cause mechanical failure, equipment loss and cost to increase.
Model utility content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of structure preventing axle axial float, and this structure can ensure the safe operation of equipment, reduces fault, reduces costs.
The utility model provides following technological scheme:
Prevent a structure for axle axial float, comprise bolt, described structure comprises two cover plates and two bolts, and described two cover plates are separately positioned on the both sides of axle, and described two bolts are each passed through described two cover plates and control the shifting amount of described axle in axis.
In such scheme preferably, described two cover plates are equipped with bolt hole.
In above-mentioned either a program preferably, together with described two bolts to put together on described cover plate respectively by described bolt hole.
Described bolt through described cover plate, and then limits the motion in the axial direction of described axle by the part that described bolt stretches out described cover plate by described bolt hole, prevents play.
In above-mentioned either a program preferably, described two cover plates and described two bolts are arranged on described axial both sides respectively.
Structure described in the utility model is the symplex structure of the axial both sides being arranged on described axle, effectively can prevent described axle play in the axial direction.
In above-mentioned either a program preferably, described structure by the length of described cover plate, adjusts the shifting amount of described axle in axis by the described bolt of adjustment.
By adjusting the length of described bolt by described cover plate, and then defining the distance between the end of described bolt and the side of described axle, also just defining the distance that described axle can move in the axial direction.
In above-mentioned either a program preferably, described cover plate is circular cover.
The effect of described circular cover, makes structure of the present utility model can not limit the running of described axle on the one hand, also can not affect the work of miscellaneous part, is attractive in appearance on the other hand.
In above-mentioned either a program preferably, described bolt hole is tapped hole.
The setting of described tapped hole, make described bolt and described cover plate for being threaded, described bolt directly screws and enters described cover plate, screw-thread fit between the outside thread of described bolt and the internal thread of described tapped hole.
In above-mentioned either a program preferably, described bolt is hexagon head bolt.
In above-mentioned either a program preferably, described bolt is countersunk screw.
Described bolt can adopt Full Thread FT hexagon head bolt or countersunk screw, like this design can make bolt fixing, Adjustment effect is better, can better coordinate cover plate to play regulating action.
In above-mentioned either a program preferably, on the described cover plate bearing support that is bolted on described axial both sides and bearing cap.
On the bearing support that described cover plate is bolted on described axial both sides and bearing cap, when described axle rotates, described cover plate does not rotate, and bearing support and bearing cap play the effect of support to described cover plate.
In above-mentioned either a program preferably, the end of described bolt is with the contacts side surfaces of described axle or do not contact.
During two contacts side surfaces of the end of described bolt and described axle, described axle does not all have activity space in the both sides of axis, entirely prevented play.When the end of described bolt does not contact with two sides of described axle, described axle all leaves certain activity space in the both sides of axis, can move slightly, but also prevent the generation of play.
In above-mentioned either a program preferably, between two sides of described two cover plates and described axle, all baffle plate is set.
The effect of described baffle plate is to prevent bearing generation play.
In above-mentioned either a program preferably, described two baffle plates are all relative fixing with two sides of described axle.
The side of the end of described bolt and described axle also can separate by described baffle plate, like this when axle rotates, both by the play of bolt restrictive axial, can not affect again the rotation of axle, the end of described bolt also can not be caused the damage of the side of described axle.
In above-mentioned either a program preferably, described two baffle plates are fixed together with two sides of described axle respectively by bolt.
Together with described baffle plate to be put together on described axle by a circle bolt, when described baffle plate is fixed together by the side of bolt and described axle, the side (axial plane) of described baffle plate to described axle serves the effect of protection.
In above-mentioned either a program preferably, described two bolts and described two cover plate one_to_one corresponding.
In above-mentioned either a program preferably, described axle is the pitman arm shaft of slag vertical-mill or cement vertical mill.
The structure of control pitman arm shaft axial float of the present utility model, structure is simply distinct, can ensure the safe operation of equipment, reduces fault, reduces the cost.Described structure is by the length of the described bolt of adjustment by described cover plate, and adjustment pitman arm shaft is in the shifting amount of axis, simple to operate, easy for installation.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model prevents the structure of axle axial float.
Embodiment
In order to understand technical characteristics of the present utility model further, below in conjunction with specific embodiment, the utility model is set forth in detail.Embodiment only has exemplary effect to the utility model, and does not have any restrictive effect, the amendment of any unsubstantiality that those skilled in the art makes on basis of the present utility model, all should belong to protection domain of the present utility model.
embodiment 1:
As shown in Figure 1, prevent a structure for axle axial float, comprise bolt, described structure comprises two cover plates 1 and two bolts 2, described two cover plates 1 are separately positioned on the both sides of axle 4, and described two bolts 2 are each passed through described two cover plates 1 and control the shifting amount of described axle 4 in axis.
Further, described two cover plates 1 are equipped with bolt hole.
Further, together with described two bolts 2 to put together on described cover plate 1 respectively by described bolt hole.
Described bolt through described cover plate, and then limits the motion in the axial direction of described axle by the part that described bolt stretches out described cover plate by described bolt hole, prevents play.
Further, described two cover plates 1 and described two bolts 2 are arranged on the both sides of the axis of described axle 4 respectively.
The described structure of the present embodiment is the symplex structure of the axial both sides being arranged on described axle, effectively can prevent described axle play in the axial direction.
Further, described structure by the length of described cover plate 1, adjusts the shifting amount of described axle 4 in axis by the described bolt 2 of adjustment.
By adjusting the length of described bolt by described cover plate, and then defining the distance between the end of described bolt and the side of described axle, also just defining the distance that described axle can move in the axial direction.
Further, described cover plate 1 is circular cover.
The effect of described circular cover, makes the structure of the present embodiment can not limit the running of described axle on the one hand, also can not affect the work of miscellaneous part, is attractive in appearance on the other hand.
Further, described bolt hole is tapped hole.
The setting of described tapped hole, make described bolt and described cover plate for being threaded, described bolt directly screws and enters described cover plate, screw-thread fit between the outside thread of described bolt and the internal thread of described tapped hole.
Further, described bolt 2 is hexagon head bolt.
Further, described bolt 2 is countersunk screw.
Described bolt 2 can adopt Full Thread FT hexagon head bolt or countersunk screw, like this design can make bolt fixing, Adjustment effect is better, can better coordinate cover plate to play regulating action.
Further, on described cover plate 1 bearing support that is bolted on the both sides of the axis of described axle 4 and bearing cap.
On the bearing support that described cover plate is bolted on described axial both sides and bearing cap, when described axle rotates, described cover plate does not rotate, and bearing support and bearing cap play the effect of support to described cover plate.
Further, the end of described bolt 2 is with the contacts side surfaces of described axle 4 or do not contact.
During two contacts side surfaces of the end of described bolt and described axle, described axle does not all have activity space in the both sides of axis, entirely prevented play.When the end of described bolt does not contact with two sides of described axle, described axle all leaves certain activity space in the both sides of axis, can move slightly, but also prevent the generation of play.
Further, between two sides of described two cover plates 1 and described axle 4, baffle plate 3 is all set.
The effect of described baffle plate 3 is to prevent bearing generation play.
Further, described two baffle plates 3 are all relative fixing with two sides of described axle 4.
The side of the end of described bolt and described axle also can separate by described baffle plate, like this when axle rotates, both by the play of bolt restrictive axial, can not affect again the rotation of axle, the end of described bolt also can not be caused the damage of the side of described axle.
Further, described two baffle plates 3 are fixed together with two sides of described axle 4 respectively by bolt.
Together with described baffle plate to be put together on described axle by a circle bolt, when described baffle plate is fixed together by the side of bolt and described axle, the side (axial plane) of described baffle plate to described axle serves the effect of protection.
Further, described two bolts 2 and described two cover plate 1 one_to_one corresponding.
Further, described axle 4 is the pitman arm shaft of slag vertical-mill or cement vertical mill.
A kind of structure preventing axle axial float of the present embodiment, can be used on small-sized slag vertical-mill or the grinding roller of cement vertical mill.Described structure comprises left and right two bolts, two, left and right cover plates, together with described bolt to put together on described cover plate respectively by the bolt hole on described cover plate.Described structure by the length of described cover plate by the described bolt of adjustment, is adjusted the distance between pitman arm shaft described bolt in the axial direction and the side of described axle, and then adjusts the shifting amount of described axle.
The structure preventing axle axial float of the present utility model, structure is simply distinct, can ensure the safe operation of equipment, reduces fault, reduces the cost.The axial float controlling pitman arm shaft is one of important step of Vertical Mill design, and this structure can meet the high reliability that equipment runs, assembly process simple and convenient.The structure of described control pitman arm shaft axial float, can simply, efficiently according to the amount of the actual conditions adjusting rock arm axle axial float of grinding machine, can ensure the safety of equipment, stable operation.The overall structure of the designs simplification of described control pitman arm shaft axial float, compared with the labyrinth of large-scale Vertical Mill, makes processing and installation, adjustment, maintenance more simple, quick, reduces energy consumption, reduce costs.

Claims (16)

1. one kind prevents the structure of axle axial float, comprise bolt, it is characterized in that: described structure comprises two cover plates and two bolts, and described two cover plates are separately positioned on the both sides of axle, described two bolts are each passed through described two cover plates and control the shifting amount of described axle in axis.
2. the structure preventing axle axial float according to claim 1, is characterized in that: described two cover plates are equipped with bolt hole.
3. the structure preventing axle axial float according to claim 2, is characterized in that: together with described two bolts to put together on described cover plate respectively by described bolt hole.
4. the structure preventing axle axial float according to claim 3, is characterized in that: described two cover plates and described two bolts are arranged on described axial both sides respectively.
5. the structure preventing axle axial float according to claim 4, is characterized in that: described structure by the length of described cover plate, adjusts the shifting amount of described axle in axis by the described bolt of adjustment.
6. the structure preventing axle axial float according to claim 5, is characterized in that: described cover plate is circular cover.
7. the structure preventing axle axial float according to claim 6, is characterized in that: described bolt hole is tapped hole.
8. the structure preventing axle axial float according to claim 7, is characterized in that: described bolt is hexagon head bolt.
9. the structure preventing axle axial float according to claim 7, is characterized in that: described bolt is countersunk screw.
10. the structure preventing axle axial float according to claim 8 or claim 9, is characterized in that: on the bearing support that described cover plate is bolted on described axial both sides and bearing cap.
11. structures preventing axle axial float according to claim 10, is characterized in that: the end of described bolt is with the contacts side surfaces of described axle or do not contact.
12. structures preventing axle axial float according to claim 11, is characterized in that: all arrange baffle plate between two sides of described two cover plates and described axle.
13. structures preventing axle axial float according to claim 12, is characterized in that: described two baffle plates are all relative fixing with two sides of described axle.
14. structures preventing axle axial float according to claim 13, is characterized in that: described two baffle plates are fixed together with two sides of described axle respectively by bolt.
15. structures preventing axle axial float according to claim 1, is characterized in that: described two bolts and described two cover plate one_to_one corresponding.
16. structures preventing axle axial float according to claim 15, is characterized in that: described axle is the pitman arm shaft of slag vertical-mill or cement vertical mill.
CN201520646293.0U 2015-08-25 2015-08-25 Prevent structure of an axial float Active CN204921922U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520646293.0U CN204921922U (en) 2015-08-25 2015-08-25 Prevent structure of an axial float

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520646293.0U CN204921922U (en) 2015-08-25 2015-08-25 Prevent structure of an axial float

Publications (1)

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CN204921922U true CN204921922U (en) 2015-12-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105689470A (en) * 2016-03-11 2016-06-22 山西大同大学 Pre-bending device which is matched with symmetrical three-roll plate bending machine for use
CN105834221A (en) * 2016-05-13 2016-08-10 中冶华天工程技术有限公司 Chuck type axial-moving-prevention device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105689470A (en) * 2016-03-11 2016-06-22 山西大同大学 Pre-bending device which is matched with symmetrical three-roll plate bending machine for use
CN105834221A (en) * 2016-05-13 2016-08-10 中冶华天工程技术有限公司 Chuck type axial-moving-prevention device

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