CN202591227U - Bracket of connecting shaft - Google Patents

Abstract

The utility model discloses a bracket of a connecting shaft, which is designed to overcome the effects of short service life and the like of the conventional product. The bracket of the connecting shaft comprises a bracket body and a bolt cylinder with a piston. The bracket body is provided with a hole for the piston to pass through. A sleeve is arranged in the hole and is in interference fit with the hole. The inner side wall of the sleeve is in clearance fit with the piston. The bolt cylinder is connected with the bracket body through a bolt cylinder bracket. A chamfered angle is arranged at the end of the piston. A position detection element is arranged at the end of the piston. The bracket body is provided with a connecting plate with a long hole. The connecting plate is provided with the position detection element which is a proximity switch. The bracket of the connecting shaft is strong in operability and simple and convenient to operate in the changing process of a rolling mill, so that the work efficiency can be improved greatly; and the bracket of the connecting shaft is a novel bracket of the connecting shaft, which is suitable for a rod and wire short stress path rolling mill of a steel rolling system in the metallurgical industry.

Description

Connect shaft tray

Technical field

The utility model relates to a kind of shaft tray that connects.

Background technology

At present, connect the two kinds of forms that are connected with of shaft tray and milling train movable base, the one, use manual bolt, this is a kind of relatively backward mode undoubtedly, need to drop into manpower, and efficient is very low.Another kind is to use the latch cylinder, but the latch cylinder is directly to be contained on the bracket body.When the milling train movable base when connecing shaft tray and need not throw off; The effect of the piston rod of latch cylinder is exactly the effect of latch; Directly bear movable base and connecing the active force between the shaft tray; Piston rod can deform under the effect that receives power, when distortion is serious, directly causes piston rod normally to withdraw.After piston rod stretched several times in bracket body, piston rod receives friction surface can form burr, and these burrs can destroy the sealing of latch cylinder, cause the leakage of oil of latch cylinder.

Vertical mill is when changing roll, and hydraulic cylinder puts down milling train at leisure, is put into milling train on the roll change buggy, and hydraulic cylinder stops action.Three kinds of possibilities are at this time arranged, the one, milling train does not put in place, and milling train is also gapped apart from roll change buggy, connects the gravity effect that shaft tray also receives milling train, and at this time the latch cylinder can contract.Second kind of situation is that milling train has been put on the dolly, but hydraulic cylinder does not stop action immediately, and the stroke that hydraulic cylinder stretches out is many, and roll change buggy also receives the thrust of hydraulic cylinder except the gravity that receives milling train.Hydraulic cylinder is crossed thrust that stroke produces than big many of the gravity of milling train self, so just makes roll change buggy generation gross distortion.Last a kind of situation is exactly that milling train just drops on the dolly, and it is just right that hydraulic cylinder stops, and the latch cylinder can be withdrawn like a cork in this case.But the possibility of this just right state is minimum, needs the artificial crawl control that cooperates, and this efficient also is very low.

The utility model content

In order to overcome above-mentioned defective, the utility model provides a kind of shaft tray that connects of long service life.

For achieving the above object; The utility model provides a kind of shaft tray that connects; Comprise bracket body and the latch cylinder that is provided with piston, said bracket body is provided with and is used for the hole that piston passes, and is provided with sleeve pipe in the said hole; Said sleeve pipe and said hole are interference fit, and said sleeve pipe madial wall and said piston are matched in clearance.

Particularly, said latch cylinder is connected on the said bracket body through the latch jar support.

Particularly, said piston termination is provided with chamfering, and the scope of said chamfering is 10 °～30 °.

Particularly, said sleeve pipe is a copper sheathing.

Particularly, said piston termination is provided with position detecting element.

Particularly, said bracket body is provided with connecting plate, and said connecting plate is provided with slotted hole.

Particularly, said connecting plate is provided with position detecting element.

Particularly, said position detecting element is near switch.

The utility model connects shaft tray has increased the friction that copper sheathing has reduced piston rod, makes the resistance of latch cylinder littler.Have 10 °～30 ° chamfering at the head of piston rod, make piston rod more smooth when getting into copper sheathing, the possibility of swiping takes place in the corner angle that piston rod head can not occur and copper sheathing.Connect latch cylinder and bracket body through the latch jar support, make the piston rod of latch cylinder extend, the part that piston rod can stretch in cylinder can stressedly not deform.Under the situation of vertical mill, have slotted hole on the connecting plate, fall at milling train and arrive the arbitrary position of stroke on the roll change buggy less than s, connect and do not receive any active force between shaft tray and the movable base, the latch cylinder can freely stretch.Under the situation of horizontal mill and vertical mill, the latch cylinder that connects shaft tray can the fast free crustal extension, and is easy to operate efficient.

The utility model connects shaft tray and on latch cylinder piston rod end and connecting plate, installs near switch, carries out position probing, has improved operating efficiency.Through of the protection of latch jar support to the latch cylinder piston rod, make part flexible in cylinder avoid scraping, the sealing ring of latch cylinder can not be scratched too early, and the latch cylinder oil leakage phenomenon can not occur.The piston rod of telescopic section stress deformation no longer in cylinder is not so the latch cylinder phenomenon such as do not go back that contracts can occur yet.

It is workable, simple to operation in the process that milling train is changed that the utility model connects shaft tray, can increase work efficiency greatly.

Description of drawings

Fig. 1 is the utility model first preferred embodiment structural representation.

Fig. 2 is the utility model second preferred embodiment structural representation.

The specific embodiment

Below in conjunction with Figure of description and embodiment the utility model is done detailed description.

As depicted in figs. 1 and 2, the novel shaft tray that connects of the utility model comprises bracket body 1, sleeve pipe, latch cylinder 3 and latch jar support 4.Sleeve pipe preferably uses copper sheathing 2, and copper sheathing 2 is contained in the hole of bracket body 1, adopts interference fit.The piston rod of latch cylinder 3 can slide in copper sheathing 2 endoporus when flexible, and piston rod and copper sheathing 2 endoporus are matched in clearance.Latch cylinder 3 is to link to each other with bracket body 1 through latch jar support 4, and piston rod head has 10 °～30 ° chamfering.

Piston rod in the latch cylinder regracting cylinder moves in latch jar support length range, does not receive the friction of copper sheathing all the time, does not also receive active force; And need not withdraw in stressed position in the cylinder.Through of the protection of latch jar support to the latch cylinder piston rod, make part flexible in cylinder avoid scraping, the sealing ring of latch cylinder can not be scratched too early, and the latch cylinder oil leakage phenomenon can not occur.The piston rod of telescopic section stress deformation no longer in cylinder is not so the latch cylinder phenomenon such as do not go back that contracts can occur yet.Can the location status of induction piston bar be installed near switch in the end of piston rod.

The shaft tray that connects of vertical mill is on horizontal mill connects the basis of shaft tray, to have increased a connecting plate 5, and except connecting plate 5, remaining equipment can exchange, and has slotted hole 6 on the connecting plate 5.A certain position in induction connecting plate and the bracket body relative travel s can be installed on connecting plate near switch.

It is very convenient quick with being connected with disconnection of milling train movable base that the utility model realizes connecing shaft tray; The off-position of vertical milling train in the vertical direction is a kind of feasible reliable solution; The utility model is workable, automaticity is high, long service life, can improve the operating efficiency of changing milling train effectively.

Preferred embodiment one: as shown in Figure 1, the shaft tray that connects that horizontal mill uses comprises bracket body 1, copper sheathing 2, latch cylinder 3 and latch jar support 4.Copper sheathing 2 is contained in the hole of bracket body 1, adopts interference fit, and the piston rod of latch cylinder 3 can slide in copper sheathing 2 endoporus when flexible, and piston rod and copper sheathing 2 endoporus are matched in clearance.Latch cylinder 3 is to link to each other with bracket body 1 through latch jar support 4, and piston rod head has 10 °～30 ° chamfering.

The course of work is following: when needing to change milling train, hydraulic cylinder 20 is shifted milling train onto the scope of crane work earlier, and hydraulic cylinder 20 stops action; The withdrawal of latch cylinder 3 piston rods; Hydraulic cylinder 20 actions then, connecing shaft tray and 10 disengagements of milling train movable base, crane hangs away milling train.The milling train that newly brings is put on the firm banking by crane; Hydraulic cylinder 20 promotes to connect shaft tray and dock with movable base 10, and the piston rod of latch cylinder 3 stretches out to connecting afterwards, movable base 10 and connect shaft tray and link together; Hydraulic cylinder 20 actions are pulled to milling train on the roll line.

The utility model connects the friction that shaft tray has reduced piston rod, makes the resistance of latch cylinder littler.Piston rod is more smooth when getting into copper sheathing, the corner angle of piston rod head and the possibility that scraping takes place copper sheathing can not occur.The extended piston rod activity space of latch cylinder makes piston rod flexible part in cylinder avoid scraping, can stressedly not deform, and the sealing ring of latch cylinder can not be scratched too early, and the latch cylinder oil leakage phenomenon can not occur.It is workable, simple to operation in the process that milling train is changed that the utility model connects shaft tray, can increase work efficiency greatly.

Preferred embodiment two: as shown in Figure 2, the shaft tray that connects that vertical mill uses comprises bracket body 1, copper sheathing 2, latch cylinder 3, latch jar support 4 and connecting plate 5.Copper sheathing 2 is contained in the hole of bracket body 1, adopts interference fit, and the piston rod of latch cylinder 3 can slide in copper sheathing 2 endoporus when flexible, and piston rod and copper sheathing 2 endoporus are matched in clearance.Latch cylinder 3 is to link to each other with bracket body 1 through latch jar support 4, and piston rod head has 10 °～30 ° chamfering.Have slotted hole 6 on the connecting plate 5, connecting plate 5 is s with the safe stroke of bracket body 1.

The course of work is following: when vertical mill is changed milling train; Hydraulic cylinder 20 is put into milling train on the roll change buggy earlier; There is not interaction force between the shaft tray for making movable base 10 and connecing; After milling train is put on the roll change buggy, hydraulic cylinder 20 certain idle stroke of will in safety stroke s scope, going further, hydraulic cylinder 20 stops action.The piston rod of latch cylinder 3 withdrawal then, movable base 10 with connect shaft tray and break away from and is connected, hydraulic cylinder 20 withdrawals at this moment are connecing shaft tray lifting and movable base 10 disengagements.Roll change buggy is moved milling train the working range of crane to, hangs away milling train with crane.Be put on the roll change buggy by crane when gaining the new milling train that comes; Roll change buggy is shifted milling train onto the roll line below; Hydraulic cylinder 20 puts down connecing shaft tray; Dock with the movable base 10 of milling train, to connecting back hydraulic cylinder 20 certain idle stroke of in safety stroke s scope, going further, hydraulic cylinder 20 stops action.The piston rod of latch cylinder 3 stretches out, movable base 10 with connect shaft tray and link together, hydraulic cylinder 20 is moved milling train on the roll line to more then.

Vertical mill in this preferred embodiment has increased connecting plate with connecing shaft tray, has slotted hole on the connecting plate.Fall on the roll change buggy the arbitrary position of stroke less than s at milling train, connect and do not receive any active force between shaft tray and the movable base, the latch cylinder can freely stretch.Under the situation of horizontal mill and vertical mill, the latch cylinder that connects shaft tray can the fast free crustal extension, and is easy to operate efficient.

More than; Be merely the preferred embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain that claim was defined.

Claims (8)

1. one kind connects shaft tray; Comprise bracket body and the latch cylinder that is provided with piston, said bracket body is provided with and is used for the hole that piston passes, and it is characterized in that: be provided with sleeve pipe in the said hole; Said sleeve pipe and said hole are interference fit, and said sleeve pipe madial wall and said piston are matched in clearance.

2. the shaft tray that connects according to claim 1 is characterized in that: said latch cylinder is connected on the said bracket body through the latch jar support.

3. the shaft tray that connects according to claim 1 is characterized in that: said piston termination is provided with chamfering, and the scope of said chamfering is 10 °～30 °.

4. the shaft tray that connects according to claim 1 is characterized in that: said sleeve pipe is a copper sheathing.

5. the shaft tray that connects according to claim 1 is characterized in that: said piston termination is provided with position detecting element.

6. the shaft tray that connects according to claim 1, it is characterized in that: said bracket body is provided with connecting plate, and said connecting plate is provided with slotted hole.

7. the shaft tray that connects according to claim 1, it is characterized in that: said connecting plate is provided with position detecting element.

8. according to claim 5 or the 7 described shaft trays that connect, it is characterized in that: said position detecting element is near switch.

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