CN207888561U - A kind of wieldy mechanical maintenance tool in use - Google Patents

Abstract

The utility model discloses a kind of wieldy mechanical maintenance tool in use,Including cylinder,The both ends of the cylinder are respectively welded intake valve and the first threaded rod,And cylinder is internally provided with first piston,The side of the first piston is welded with First piston bar,First threaded rod is sheathed on the outer wall of First piston bar,And first threaded rod outer wall on screw and be connected with hook fixed seat,The utility model is provided with adjusting nut,Hook fixed seat,Mounting groove,First spring and the second threaded rod,After completing hook positioning,Turn adjusting nut,Adjusting nut and the second threaded rod screw movement,Adjusting nut is set to be moved to close to the direction of hook fixed seat,In the process of moving,Hook is squeezed to both sides,Hook is set to rotate around the axis,The one end of hook far from hook fixed seat is drawn close to bearing centre,Fasten bearing,It avoids during pulling because fixed shakiness has skidded,Mode of operation is simple.

Description

A kind of wieldy mechanical maintenance tool in use

Technical field

The utility model belongs to machinery maintenance technical field, and in particular to a kind of wieldy flight-line maintenance work Tool.

Background technology

Machinery maintenance refers to the technical activity carried out for holding, recovery and lifting means state of the art, wherein wrapping Include the maintenance for keeping mechanical equipment good technique state, equipment deterioration or restore its function after breaking down and the repairing that carries out with And the technical activity that lifting means state of the art carries out.

But there are some defects in use in the existing mechanical maintenance tool in use of existing market, such as dismantle workpiece When the phenomenon that being susceptible to skidding, and be easy to influence removal efficiency because of leakproofness deficiency.

Utility model content

The purpose of this utility model is to provide a kind of wieldy mechanical maintenance tool in use, to solve existing be easy out The problem of the phenomenon that now skidding and leakproofness deficiency.

To achieve the above object, the utility model provides the following technical solutions：A kind of wieldy mechanical maintenance tool in use, Including cylinder, the both ends of the cylinder are respectively welded intake valve and the first threaded rod, and cylinder is internally provided with the first work Plug, the side of the first piston are welded with First piston bar, and first threaded rod is sheathed on the outer wall of First piston bar, And first threaded rod outer wall on screw and be connected with hook fixed seat, be welded with second on the side outer wall of the hook fixed seat Threaded rod, and hook is rotatably connected to by shaft at the position of the second threaded rod both sides in hook fixed seat, it is described It is screwed on the outer wall of second threaded rod and is connected with adjusting nut, the inside of the hook fixed seat offers mounting groove, the peace The interior welds of tankage have the first spring, the both ends of first spring respectively with the side inner wall of mounting groove and the side of hook Outer wall connects, and the inside of the intake valve offers venthole, and the venthole is internally provided with check valve and second piston, The check valve is located at the side of second piston, and the both sides of check valve are separately installed with vent board and sealing block, the ventilation Second spring is welded between plate and sealing block, the second piston is welded with second piston on the side outer wall far from check valve Bar, the one end of the second piston bar far from intake valve are rotatably connected to handle sleeve rod by shaft, and the one of the handle sleeve rod Side is fixed with handle.

Preferably, relief valve is installed on the side outer wall of the cylinder.

Preferably, it is connected with bull stick between the handle sleeve rod and intake valve.

Preferably, the venthole is the rotary structure of big at both ends and small in middle.

Preferably, one end of the First piston bar is welded with taper pilot pin.

The utility model compared with prior art, has the advantages that：

(1) the utility model is provided with adjusting nut, hook fixed seat, mounting groove, the first spring and the second threaded rod, complete After being positioned at hook, turn adjusting nut, adjusting nut and the second threaded rod screw movement, and adjusting nut is made to consolidate to close to hook The direction of reservation is moved, and in the process of moving, squeezes hook to both sides, hook is made to rotate around the axis, hook is solid far from hook One end of reservation is drawn close to bearing centre, fastens bearing, is avoided because fixed shakiness has skidded during pulling, operation side Formula is simple, easy to operation, and the first spring is provided in the mounting groove of hook fixed seat, and the first spring, which is in, when tightening state draws State is stretched, there is certain screen resilience, the screen resilience and adjusting nut of the first spring to squeeze hook generation tension and can effectively protect The stabilization for demonstrate,proving hook position keeps fixed structure more firm；

(2) the utility model is provided with intake valve, check valve, vent board, second spring and sealing block, and second piston pushes Air in venthole enters across vent board in check valve, and the gas entered in check valve at this time is mutually pushed away in the effect of air pressure Sealing block is released check valve by dynamic sealing block, and gas then enters from the position of sealing block both sides in cylinder, after gas enters cylinder Air pressure in check valve reduces, and the air pressure of formation is not enough to push sealing block, second spring retraction that sealing block is retracted check valve It is interior, so that the check valve is restored sealing state, and check valve is internally provided with gag lever post, and it is close to ensure that the gas in cylinder can not push Block is sealed, realizes one-way air inlet, avoids gas leakage occur during being pressurized dismounting, improves the intake efficiency of cylinder, make this The disassembly process of maintenance tool is more laborsaving, easy to operation.

Description of the drawings

Fig. 1 is the front view of the utility model；

Fig. 2 is the structural schematic diagram of the intake valve of the utility model；

Fig. 3 is enlarged drawing at the A of the utility model；

In figure：1- handle sleeve rods, 2- handles, 3- second piston bars, 4- intake valves, 5- check valves, 6- first pistons, 7- gas Cylinder, 8- adjusting nuts, 9- hooks fixed seat, 10- hooks, 11- First piston bars, the first threaded rods of 12-, the first springs of 13-, The second threaded rods of 14-, 15- ventholes, 16- second pistons, 17- vent boards, 18- second springs, 19- sealing blocks, 20- installations Slot.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, the utility model provides the following technical solutions：A kind of wieldy mechanical maintenance tool in use, packet Include cylinder 7, the both ends of cylinder 7 are respectively welded intake valve 4 and the first threaded rod 12, and cylinder 7 is internally provided with the first work Plug 6, gas push first piston 6, first piston 6 drive First piston bar 11 to move, and the side of first piston 6 is welded with first Piston rod 11, the first threaded rod 12 are sheathed on the outer wall of First piston bar 11, and the company of screwing on the outer wall of the first threaded rod 12 It is connected to hook fixed seat 9, hook fixed seat 9 is easily installed and replaces hook 10, is welded on the side outer wall of hook fixed seat 9 Second threaded rod 14, and be rotatably connected to by shaft at the position of 14 both sides of the second threaded rod in hook fixed seat 9 Hook 10 screws on the outer wall of second threaded rod 14 and is connected with adjusting nut 8, so that hook 10 is rotated by mobile adjusting nut 8 Lock workpiece, the inside of hook fixed seat 9 offers mounting groove 20, and the interior welds of mounting groove 20 have the first spring 13, and first The both ends of spring 13 are connect with the side outer wall of the side inner wall of mounting groove 20 and hook 10 respectively, and the first spring 13 connects hook 10 with hook fixed seat 9, so that hook 10 is automatically reset, the inside of intake valve 4 offers venthole 15, the inside of venthole 15 It is provided with check valve 5 and second piston 16, check valve 5 can effectively avoid the gas in cylinder 7 from leaking, and check valve 5 is located at the The side of two pistons 16, and the both sides of check valve 5 are separately installed with vent board 17 and sealing block 19, vent board 17 and sealing block 19 Between be welded with second spring 18, second piston 16 is welded with second piston bar 3 on the side outer wall far from check valve 5, second The one end of piston rod 3 far from intake valve 4 is rotatably connected to handle sleeve rod 1 by shaft, and the side of handle sleeve rod 1 is fixed with handle 2。

For the ease of the gas in discharge cylinder 7, in the present embodiment, it is preferred that be equipped with and let out on the side outer wall of cylinder 7 Pressure valve.

In order to ensure the stabilization of handle sleeve rod 1, in the present embodiment, it is preferred that connected between handle sleeve rod 1 and intake valve 4 There is bull stick.

For the ease of leakproof one-way valve 5 and second piston 16, in the present embodiment, it is preferred that venthole 15 is that both ends are big-and-middle Between small rotary structure.

For the ease of the positioning of the tool, in the present embodiment, it is preferred that it is fixed that one end of First piston bar 11 is welded with taper Position needle.

The operation principle and process for using of the utility model：The maintenance tool is mainly used to the bearing that will be damaged from axis upper edge It axially disassembles, when using the maintenance tool, hook fixed seat 9 and hook 10 is installed on the first screw thread as needed first On bar 12, then the taper pilot pin of 11 one end of First piston bar is directed to the center position of shaft end, and turn hook is fixed The position of seat 9, makes hook 10 that institute's pulling shaft be caught to hold, and completes after positioning, turn adjusting nut 8, adjusting nut 8 and the second threaded rod 14 screw movement, so that adjusting nut 8 is moved to close to the direction of hook fixed seat 9, in the process of moving, to both sides extruded hook Pawl 10 makes hook 10 rotate around the axis, and the one end of hook 10 far from hook fixed seat 9 is drawn close to bearing centre, fastens bearing, keeps away Exempt from because fixed shakiness has skidded during pulling, the first spring 13 when in tightening state in hook fixed seat 9 After tensional state, the fastening for completing bearing, handle 2 is inserted into handle sleeve rod 1, and lift second piston bar 3 back and forth, it will Gas is filled in cylinder 7, and gas volume increases in cylinder 7, pushes first piston 6 and First piston bar 11 to move, at this time hook 10 pulling bearings are moved backward accordingly, and bearing is unloaded from axis, after completing dismounting, letting out on 7 outer wall of rotary cylinder Pressure valve can release the gas in cylinder 7, and first piston 6 and First piston bar 11 is made to set back, in the mistake for increasing gas Cheng Zhong drives second piston bar 3 and second piston 16 to move back and forth in venthole 15, works as second piston by handle 2 16 when moving at the larger-diameter position in 15 both ends of venthole, and ambient atmos are entered logical by the position of 16 both sides of second piston In stomata 15, and when second piston 16 moves at the position of 15 intermediate smaller diameter of venthole, second piston 16 and ventilation 15 inside of hole is in sealing state, and second piston 16 pushes the air in venthole 15 that vent board 17 is passed through to enter in check valve 5, And the gas entered in check valve 5 at this time mutually pushes sealing block 19 in the effect of air pressure, and sealing block 19 is released check valve 5, gas Body then enters from the position of 19 both sides of sealing block in cylinder 7, and gas, which enters the air pressure after cylinder 7 in check valve 5, to be reduced, formation Air pressure is not enough to that sealing block 19, second spring 18 is pushed to bounce back, sealing block 19 is retracted in check valve 5, check valve 5 is made to restore close Envelope state, and check valve 5 is internally provided with gag lever post, ensures that the gas in cylinder 7 can not push sealing block 19, realizes unidirectional Air inlet avoids gas leakage occur during being pressurized dismounting.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of wieldy mechanical maintenance tool in use, including cylinder（7）, it is characterised in that：The cylinder（7）Both ends difference It is welded with intake valve（4）With the first threaded rod（12）, and cylinder（7）Be internally provided with first piston（6）, the first piston （6）Side be welded with First piston bar（11）, first threaded rod（12）It is sheathed on First piston bar（11）Outer wall on, And first threaded rod（12）Outer wall on screw and be connected with hook fixed seat（9）, the hook fixed seat（9）Side outer wall on It is welded with the second threaded rod（14）, and hook fixed seat（9）It is upper to be located at the second threaded rod（14）By turning at the position of both sides Axis is rotatably connected to hook（10）, second threaded rod（14）Outer wall on screw and be connected with adjusting nut（8）, the hook Fixed seat（9）Inside offer mounting groove（20）, the mounting groove（20）Interior welds have the first spring（13）, described One spring（13）Both ends respectively with mounting groove（20）Side inner wall and hook（10）The connection of side outer wall, the intake valve （4）Inside offer venthole（15）, the venthole（15）Be internally provided with check valve（5）And second piston（16）, The check valve（5）Positioned at second piston（16）Side, and check valve（5）Both sides be separately installed with vent board（17）With it is close Seal block（19）, the vent board（17）With sealing block（19）Between be welded with second spring（18）, the second piston（16）Far From check valve（5）Side outer wall on be welded with second piston bar（3）, the second piston bar（3）Far from intake valve（4）One End is rotatably connected to handle sleeve rod by shaft（1）, the handle sleeve rod（1）Side be fixed with handle（2）.

2. a kind of wieldy mechanical maintenance tool in use according to claim 1, it is characterised in that：The cylinder（7）'s Relief valve is installed on the outer wall of side.

3. a kind of wieldy mechanical maintenance tool in use according to claim 1, it is characterised in that：The handle sleeve rod （1）With intake valve（4）Between be connected with bull stick.

4. a kind of wieldy mechanical maintenance tool in use according to claim 1, it is characterised in that：The venthole（15） For the rotary structure of big at both ends and small in middle.

5. a kind of wieldy mechanical maintenance tool in use according to claim 1, it is characterised in that：The First piston bar （11）One end be welded with taper pilot pin.