CN218479993U

CN218479993U - Main control valve convenient to control crane walking direction

Info

Publication number: CN218479993U
Application number: CN202223062874.9U
Authority: CN
Inventors: 田锐奇; 桂成振; 陈晨; 陈晓; 张利翠; 齐震; 罗昌
Original assignee: Shandong Shitu Electromechanical Equipment Co ltd
Current assignee: Shandong Shitu Electromechanical Equipment Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-02-14
Anticipated expiration: 2032-11-18

Abstract

The utility model belongs to the technical field of the crane master control valve, and a master control valve convenient to control crane walking direction is disclosed, including the track, the crane has been cup jointed in orbital surface activity, the inside movable mounting of crane has the movable wheel. The utility model discloses a set up the double thread lead screw, movable block and cassette, the rotatory knob of operating personnel, can be so that the movable block moves to the inboard along the surface of knob, because the motion of movable block, can make the movable block drive the fixture block and move to the inboard, and make the fixture block break away from the surface of cassette, the joint effect between cassette and the fixture block will be relieved this moment, the fixed effect between main control valve body and the crane has been relieved simultaneously, then operating personnel stimulates the main control valve body downwards, make the fixture block break away from the inside of fixed block, thereby can realize the holistic dismantlement operation to the main control valve body, and then made things convenient for operating personnel to the holistic dismantlement replacement operation of main control valve body.

Description

Main control valve convenient to control crane walking direction

Technical Field

The utility model belongs to the technical field of the crane master control valve, specifically a master control valve convenient to control crane walking direction.

Background

The main control valve of the crane is generally provided with a main air inlet and four controlled air inlets and outlets, and the pneumatic monorail crane has the effects that the valve core in the main control valve can be controlled to act through the two controlled air inlets, the four air flow directions of the controlled air inlets and outlets are switched on and off, the walking direction of the pneumatic monorail crane is finally controlled, the general movement direction of the pneumatic monorail crane moves back and forth along a track, the pneumatic monorail crane generally operates in a tunnel, dust in the tunnel is large, operators need to frequently disassemble the main control valve and maintain and clean the interior of the pneumatic monorail crane, the main control valve is generally fixedly connected with the crane through a large number of screws, all the screws need to be completely unscrewed during disassembling operation, the process consumes time, the labor intensity of the operators is increased, the main control valve is not convenient to disassemble by the operators, and therefore the pneumatic monorail crane needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the utility model provides a master control valve convenient to control crane walking direction has convenient to detach's advantage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a main control valve convenient to control crane walking direction, includes the track, the crane has been cup jointed in orbital surface activity, the inside movable mounting of crane has the movable pulley, the bottom and orbital inside swing joint of movable pulley, the both sides fixedly connected with connecting block of crane, the bottom fixedly connected with lifting rope of connecting block, the bottom fixedly connected with lifting hook of lifting rope, the central fixed mounting of crane bottom has the installation piece, the inside activity of installation piece has been cup jointed the breather pipe, the bottom fixed intercommunication of breather pipe has the connecting valve, the bottom fixedly connected with main control valve body of connecting valve, the equal fixedly connected with fixed block that is located the connecting valve outside in the front and back of main control valve body top, the equal fixed mounting in both sides of fixed block inner chamber has the cassette, the equal activity in front and back of installation piece inside both sides has been cup jointed the movable block, the right side swing joint of installation piece has the knob, the right side fixedly connected with double thread lead screw of knob, the right-hand member of double thread lead screw runs through installation piece and movable block and extends to the inside and the surface of installation piece and cup joints with the inside activity of installation piece, the outer surface of double thread of movable block cup joints with the inside of movable block, the clamp is located the bottom of fixed block and the movable block.

As the utility model discloses it is preferred, the equal fixed intercommunication in front and back of main control valve body both sides has the business turn over trachea, and business turn over tracheal outside swing joint has the dust screen, the fixed connecting plate that has cup jointed of surface of dust screen.

As the utility model discloses it is preferred, the inboard fixed intercommunication of connecting plate has the circle cover, the inside and the outer surface activity of business turn over trachea of circle cover cup joint.

As the utility model discloses it is preferred, the equal fixedly connected with mounting panel of central authorities of main control valve body both sides, the outside fixedly connected with connecting rod of mounting panel, the other end of connecting rod runs through the connecting plate and extends to the outside of connecting plate and the inside activity of surface and connecting plate cup joints.

As the utility model discloses it is preferred, the other end fixedly connected with of connecting rod is located the threaded rod in the connecting plate outside, the surface screw thread of threaded rod has cup jointed the thread bush, the inboard fixedly connected with of thread bush is located the rubber pad in the connecting rod outside, the inboard of rubber pad and the outside swing joint of connecting plate.

As the utility model discloses it is preferred, the extrusion piece has been cup jointed in the surface activity of connecting rod, the outside of extrusion piece and the inboard swing joint of connecting plate.

As the utility model discloses it is preferred, the surface activity of connecting rod has cup jointed the stiff spring that is located between the extrusion piece inboard and the mounting panel outside, the one end of stiff spring and the inboard fixed connection of extrusion piece, the other end of stiff spring and the outside fixed connection of mounting panel.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the double thread lead screw, movable block and cassette, the rotatory knob of operating personnel, can be so that the movable block moves to the inboard along the surface of knob, because the motion of movable block, can make the movable block drive the fixture block and move to the inboard, and make the fixture block break away from the surface of cassette, the joint effect between cassette and the fixture block will be relieved this moment, the fixed effect between main control valve body and the crane has been relieved simultaneously, then operating personnel stimulates the main control valve body downwards, make the fixture block break away from the inside of fixed block, thereby can realize the holistic dismantlement operation to the main control valve body, and then made things convenient for operating personnel to the holistic dismantlement replacement operation of main control valve body.

2. The utility model discloses a set up the connecting plate, threaded rod and thread bush, the rotatory thread bush of operating personnel, can be so that the thread bush moves to the outside along the threaded rod surface, and break away from the surface of threaded rod, thereby the fixed effect of connecting plate has been relieved, be in compression state's extrusion piece this moment, because the elasticity recovering action of extrusion piece, can promote the connecting plate to move to the outside, drive dust screen and circle cover simultaneously and break away from the tracheal outside of business turn over, finally can take off the connecting plate, thereby the dismantlement operation of operating personnel to the dust screen has been made things convenient for, the problem of clearance surface dust is not convenient for operating personnel to dismantle to the business turn over trachea among the prior art has been solved in this design.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic sectional view of the fixing block of the present invention;

FIG. 4 is a side sectional view of the present invention;

FIG. 5 is a schematic cross-sectional view of the connection plate of the present invention;

FIG. 6 is a schematic cross-sectional view of the crane according to the present invention;

FIG. 7 is an enlarged view of a portion of the structure shown at A in FIG. 2;

fig. 8 is a partially enlarged structural view at B in fig. 3.

In the figure: 1. a track; 2. a crane; 3. a movable wheel; 4. connecting blocks; 5. a lifting rope; 6. a hook; 7. mounting a block; 8. a breather pipe; 9. a connection valve; 10. a main control valve body; 11. a fixed block; 12. a knob; 13. a double-threaded screw rod; 14. a movable block; 15. a clamping block; 16. a card holder; 17. an air inlet pipe and an air outlet pipe; 18. a connecting plate; 19. a dust screen; 20. a round sleeve; 21. mounting a plate; 22. a connecting rod; 23. a rigid spring; 24. extruding the block; 25. a threaded rod; 26. a threaded sleeve; 27. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 8, the utility model provides a master control valve convenient to control crane walking direction, including track 1, crane 2 has been cup jointed to track 1's surface activity, crane 2's inside movable mounting has movable pulley 3, the bottom of movable pulley 3 and track 1's inside swing joint, crane 2's both sides fixedly connected with connecting block 4, connecting block 4's bottom fixedly connected with lifting rope 5, lifting rope 5's bottom fixedly connected with lifting hook 6, the central fixed mounting of crane 2 bottom has installation piece 7, the inside activity of installation piece 7 has been cup jointed breather pipe 8, the bottom mounting intercommunication of breather pipe 8 has connect valve 9, connect valve 9's bottom fixedly connected with master control valve body 10, the equal fixedly connected with in front and back at master control valve body 10 top is located the fixed block 11 in the connect valve 9 outside, the equal fixedly mounted in both sides of fixed block 11 inner chamber has cassette 16, the equal movably cup jointed with movable block 14 in front and back of installation piece 7 inside both sides, the right side movably connected with of installation piece 7 has knob 12, the right side fixedly connected with double thread 13 of knob 12, the right-hand member of double thread of installation piece 13 runs through installation piece 7 and movable block 14 and extends to the inside movable block 7 and the movable block 14 and is located the inside movable block 14 and the movable block 15 is cup jointed with the inside movable block 13 of the movable block 13 of lead screw, the movable block is located the inside movable block of lead screw, the movable block 13 of movable block is connected with the inside of movable block 15 and the movable block is located the movable block 15, the movable block of lead screw of movable block 13.

When using, operating personnel rotates knob 12, can be so that movable block 14 moves to the inboard along the surface of knob 12, because the motion of movable block 14, can be so that movable block 14 drives fixture block 15 and moves to the inboard, and make fixture block 15 break away from the surface of cassette 16, the joint effect between cassette 16 and fixture block 15 will be relieved this moment, the fixed effect between main control valve body 10 and crane 2 has been relieved simultaneously, then operating personnel stimulates main control valve body 10 downwards, make fixture block 15 break away from the inside of fixed block 11, thereby can make things convenient for operating personnel to the holistic dismantlement operation of main control valve body 10.

Referring to fig. 1 and 5, air inlet and outlet pipes 17 are fixedly communicated with the front and rear sides of the main control valve body 10, a dust screen 19 is movably connected to the outer side of the air inlet and outlet pipes 17, and a connecting plate 18 is fixedly sleeved on the outer surface of the dust screen 19.

As the utility model discloses a technical optimization scheme, through setting up connecting plate 18, operating personnel takes off connecting plate 18, can be so that dust screen 19 breaks away from the business turn over trachea 17 outside to can dismantle dust screen 19 down, and then make things convenient for the clean dust screen 19 of operating personnel.

Referring to fig. 5, a round sleeve 20 is fixedly communicated with the inner side of the connecting plate 18, and the inner part of the round sleeve 20 is movably sleeved with the outer surface of the air inlet/outlet pipe 17.

As a technical optimization scheme of the utility model, through setting up the round sleeve 20, because the design of round sleeve 20, can overlap round sleeve 20 at business turn over trachea 17's surface to can play good spacing effect to dust screen 19.

Referring to fig. 1 and 5, the main control valve body 10 is fixedly connected at the center thereof with a mounting plate 21, the outer side of the mounting plate 21 is fixedly connected with a connecting rod 22, and the other end of the connecting rod 22 penetrates through the connecting plate 18 and extends to the outer side of the connecting plate 18, and the outer surface of the connecting rod is movably sleeved with the inside of the connecting plate 18.

As a technical optimization scheme of the utility model, through setting up connecting rod 22, because the design of connecting rod 22 can wholly play good spacing effect to connecting plate 18 to can take off connecting plate 18 from connecting rod 22's surface.

Referring to fig. 1 and 5, a threaded rod 25 located on the outer side of the connecting plate 18 is fixedly connected to the other end of the connecting rod 22, a threaded sleeve 26 is sleeved on the outer surface of the threaded rod 25 in a threaded manner, a rubber pad 27 located on the outer side of the connecting rod 22 is fixedly connected to the inner side of the threaded sleeve 26, and the inner side of the rubber pad 27 is movably connected to the outer side of the connecting plate 18.

As a technical optimization scheme of the utility model, through setting up thread bush 26 and rubber pad 27, the rotatory thread bush 26 of operating personnel can be so that the thread of thread bush 26 along the threaded rod 25 surface moves to the outside to break away from the surface of threaded rod 25, thereby released the fixed effect of connecting plate 18.

Referring to fig. 1 and 5, the outer surface of the connecting rod 22 is movably sleeved with a squeezing block 24, and the outer side of the squeezing block 24 is movably connected with the inner side of the connecting plate 18.

As a technical optimization scheme of the utility model, through setting up extrusion piece 24, because the design of extrusion piece 24, when the outside extrusion connecting plate 18 of extrusion piece 24, can increase the frictional force between connecting plate 18 and the rubber pad 27 to can prevent that the thread bush 26 from taking place unexpected rotation, lead to it not hard up.

Referring to fig. 1 and 5, a rigid spring 23 located between the inner side of the extrusion block 24 and the outer side of the mounting plate 21 is movably sleeved on the outer surface of the connecting rod 22, one end of the rigid spring 23 is fixedly connected with the inner side of the extrusion block 24, and the other end of the rigid spring 23 is fixedly connected with the outer side of the mounting plate 21.

As a technical optimization scheme of the utility model, through setting up stiff spring 23, because stiff spring 23's design, when extrusion piece 24 moved to the inboard, can be so that stiff spring 23 is compressed, because stiff spring 23's elasticity recovering action, can be so that extrusion piece 24 receives the thrust to the outside to in through extrusion piece 24 extrusion connecting plate 18.

The utility model discloses a theory of operation and use flow:

when the main control valve body 10 is used, when the air inlet and outlet pipe 17 on the right side is closed, air in the crane 2 enters the main control valve body 10 through the air pipe 8 and the connecting valve 9 and is discharged through the air inlet and outlet pipe 17 on the left side of the main control valve body 10, so that the whole crane 2 can be pushed to move towards the right side along the track 1 under the action of the movable wheels 3.

When main control valve body 10 is whole to needs to be dismantled, operating personnel rotates knob 12, can be so that movable block 14 moves to the inboard along the surface of knob 12, because the motion of movable block 14, can be so that movable block 14 drives fixture block 15 and moves to the inboard, and make fixture block 15 break away from the surface of fixture block 16, the joint effect between fixture block 16 and fixture block 15 will be relieved this moment, the fixed effect between main control valve body 10 and crane 2 has been relieved simultaneously, then operating personnel stimulates main control valve body 10 downwards, make fixture block 15 break away from the inside of fixed block 11, thereby realized the holistic dismantlement operation to main control valve body 10.

When the dust screen 19 is dismantled to needs, the rotatory thread bush 26 of operating personnel, can make the thread bush 26 outwards move along the screw thread of threaded rod 25 surface, and break away from the surface of threaded rod 25, thereby the fixed effect of connecting plate 18 has been relieved, be in compression's extrusion piece 24 this moment, because the elasticity recovering action of extrusion piece 24, can promote connecting plate 18 outwards to move, drive dust screen 19 and round cover 20 simultaneously and break away from the outside of business turn over trachea 17, can take off connecting plate 18 finally, the dismantlement operation of dust screen 19 will be accomplished this moment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a main control valve convenient to control crane walking direction, includes track (1), its characterized in that: crane (2) has been cup jointed to the surface activity of track (1), the inside movable mounting of crane (2) has loose pulley (3), the bottom of loose pulley (3) and the inside swing joint of track (1), the both sides fixedly connected with connecting block (4) of crane (2), the bottom fixedly connected with lifting rope (5) of connecting block (4), the bottom fixedly connected with lifting hook (6) of lifting rope (5), the central authorities fixedly connected with of crane (2) bottom have installation piece (7), the inside activity of installation piece (7) has been cup jointed breather pipe (8), the bottom mounting intercommunication of breather pipe (8) has connecting valve (9), the bottom fixedly connected with main control valve body (10) of connecting valve (9), the equal fixedly connected with in front and back of main control valve body (10) top has fixed block (11) that is located the connecting valve (9) outside, the equal fixedly connected in both sides of fixed block (11) inner chamber has cassette (16), the equal movable block cup joints (14) in front and back of installation piece (7) inside both sides, the right side movable block (7) has two screw (12) and two screw threads installation knob (13) and two screw (13) installation knob (13) are connected with lead screw (13), and two screw (13) installation knob (7) are installed and two screw (13) are installed, and the right-hand member (13) are run through the knob (14), the installation piece (13) are installed to the knob (13), the knob (13) of installing knob (7) is installed to the right-screw (13), the equal movable block (14), the bottom fixedly connected with ) The inner part and the outer surface of the clamping block (15) are movably sleeved with the inner part of the mounting block (7), the outer surface of the double-thread screw rod (13) is sleeved with the inner thread of the movable block (14), the bottom of the movable block (14) is fixedly connected with a clamping block (15) which is located inside the fixed block (11), and the inner part of the clamping block (15) is movably clamped with the outer surface of the clamping block (16).

2. The main control valve convenient for controlling the traveling direction of a crane according to claim 1, wherein: the front and the back of both sides of main control valve body (10) all are fixed the intercommunication have business turn over trachea (17), and the outside swing joint of business turn over trachea (17) has dust screen (19), the external surface of dust screen (19) is fixed to be cup jointed connecting plate (18).

3. The main control valve convenient for controlling the traveling direction of a crane as claimed in claim 2, wherein: the inner side of the connecting plate (18) is fixedly communicated with a round sleeve (20), and the inner part of the round sleeve (20) is movably sleeved with the outer surface of the air inlet and outlet pipe (17).

4. The main control valve convenient for controlling the traveling direction of a crane according to claim 1, wherein: the equal fixedly connected with mounting panel (21) in central authorities of main control valve body (10) both sides, the outside fixedly connected with connecting rod (22) of mounting panel (21), the other end of connecting rod (22) runs through connecting plate (18) and extends to the outside of connecting plate (18) and the inside activity of surface and connecting plate (18) cup joints.

5. The main control valve convenient for controlling the traveling direction of a crane according to claim 4, wherein: the other end fixedly connected with of connecting rod (22) is located threaded rod (25) in connecting plate (18) outside, threaded sleeve (26) has been cup jointed to the surface screw thread of threaded rod (25), the inboard fixedly connected with of threaded sleeve (26) is located rubber pad (27) in connecting rod (22) outside, the inboard of rubber pad (27) and the outside swing joint of connecting plate (18).

6. The main control valve convenient for controlling the traveling direction of a crane according to claim 4, wherein: the outer surface of the connecting rod (22) is movably sleeved with an extrusion block (24), and the outer side of the extrusion block (24) is movably connected with the inner side of the connecting plate (18).

7. The main control valve convenient for controlling the traveling direction of a crane according to claim 4, wherein: the outer surface activity of connecting rod (22) is cup jointed and is located rigid spring (23) between extrusion piece (24) inboard and mounting panel (21) outside, the inboard fixed connection of one end and extrusion piece (24) of rigid spring (23), the outside fixed connection of the other end and mounting panel (21) of rigid spring (23).