CN214081199U

CN214081199U - Special tool for disassembling and assembling mechanical seal of large-sized machine pump

Info

Publication number: CN214081199U
Application number: CN202022799151.1U
Authority: CN
Inventors: 高振华
Original assignee: Shandong Lianyou Petrochemical Engineering Co ltd
Current assignee: Shandong Lianyou Petrochemical Engineering Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-31
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a large-scale machine pump mechanical seal dismouting technical field just discloses a special frock of large-scale machine pump mechanical seal dismouting, which comprises a steel plate, the jack has been seted up on the right side of steel sheet, the connecting hole has been seted up on the right side of steel sheet, the inside fixed mounting of connecting hole has the lead screw, the outside of lead screw and the left side movable mounting who is located the steel sheet have the gasket, the outside of lead screw and the equal threaded connection in the left and right sides that is located the steel sheet have the bolt, the outside of lead screw and the right side fixed mounting who is located the steel sheet have rotatory cap. This special frock of large-scale machine pump mechanical seal dismouting through setting up the lead screw, to large-scale machine pump seal structure's damage undersize in the installation, light simple dismantlement and installation that just can seal up have both shortened maintenance time and have avoided the great economic loss that causes because sealed damage again, have made things convenient for staff to large-scale machine pump mechanical seal's dismouting.

Description

Special tool for disassembling and assembling mechanical seal of large-sized machine pump

Technical Field

The utility model relates to a large-scale machine pump mechanical seal dismouting technical field specifically is a special frock of large-scale machine pump mechanical seal dismouting.

Background

The mechanical pump, i.e. mechanical vacuum pump, is a kind of vacuum making machine, it can exhaust or absorb air in a closed or semi-closed space to reach the relative vacuum of local space, and the common vacuum pumps include reciprocating vacuum pump, water ring pump, molecular pump, rotary-vane vacuum pump, piston vacuum pump, swing piston vacuum pump, diaphragm vacuum pump and linear vacuum pump.

The sealing structure is required to be installed and disassembled when the large-sized mechanical pump is used, but the traditional disassembling method of the sealing structure is mainly prying out by a crowbar, the installation method is characterized in that a copper bar is used for knocking in the seal, the seal is extremely easy to damage, great economic loss is caused, and meanwhile, the risk of shutdown caused by long-time operation of a single device of the large-sized mechanical pump is possibly caused, so that the special tool for disassembling and assembling the mechanical seal of the large-sized mechanical pump is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a special frock of large-scale machine pump mechanical seal dismouting possesses the damage and little and make things convenient for advantages such as dismouting, and the dismantlement method of having solved traditional seal structure mainly is pried out for the crowbar, and the mounting method is for stricken sealed with the bar copper, very easily causes sealed damage, brings great economic loss, probably causes the problem of the risk that produces the shut down because of the long-time operation of device list equipment simultaneously.

(II) technical scheme

For the purpose that realizes above-mentioned damage little and make things convenient for the dismouting, the utility model provides a following technical scheme: the utility model provides a special frock of large-scale machine pump mechanical seal dismouting, includes the steel sheet, the jack has been seted up on the right side of steel sheet, the connecting hole has been seted up on the right side of steel sheet, the inside fixed mounting of connecting hole has the lead screw, the outside of lead screw and the left side movable mounting who is located the steel sheet have the gasket, the outside of lead screw and the equal threaded connection in the left and right sides that is located the steel sheet have the bolt, the outside of lead screw and the right side fixed mounting that is located the steel sheet have rotatory cap, the outside fixed mounting of rotatory cap has spacing piece, the right-hand member fixed mounting of lead screw has the connection bearing, the right-hand member movable mounting of connection bearing has the connecting rod, two fixed orificess have all been seted up to the top and the bottom on the right side of steel sheet, the right side of steel sheet and the outside that is located the jack have seted up the locking hole, the draw-in groove has been seted up in the outside of steel sheet.

Preferably, the number of the jacks is three, and the diameter of the middle jack is larger than that of the top jack and the bottom jack.

Preferably, the left end of the screw rod penetrates through the connecting hole and extends to the left side of the steel plate, and the inserting holes are arranged on the outer side of the central inserting hole at equal intervals.

Preferably, the limiting pieces are arranged on the outer side of the rotating cap at equal intervals, and the connecting rod is a threaded rod.

Preferably, the diameter of the locking holes is smaller than that of the connecting holes, and the locking holes are equidistantly arranged on the outer side of the central insertion hole.

Preferably, the thickness of the clamping groove is not more than five millimeters, and the number of the screw rods is two.

(III) advantageous effects

Compared with the prior art, the utility model provides a special frock of large-scale machine pump mechanical seal dismouting possesses following beneficial effect:

the special tool for dismounting the mechanical seal of the large-scale pump is characterized in that a lead screw is arranged, when the mechanical seal of the large-scale pump is carried out, a steel plate is fixedly arranged on a bearing box support of the large-scale pump through a fixing hole, two lead screws are inserted into a connecting hole, the left ends of the two lead screws are twisted into a sealing structure, two bolts are twisted inwards to fix the positions of the lead screws, a connecting rod is twisted into a pump supporting device, a worker only needs to twist a rotating cap with a wrench when dismounting the seal of the large-scale pump is carried out, the sealing structure is driven to move towards the inside of the large-scale pump under the action of a limiting piece on the outer side of the rotating cap, so that the mounting and dismounting of the sealing structure of the large-scale pump are realized, a crowbar and a copper plate are not needed when mounting and dismounting, and the damage to the sealing structure of the large-scale pump is over small during mounting, the sealing device has the advantages that the sealing device can be easily and simply disassembled and installed, the overhaul time is shortened, the large economic loss caused by sealing damage is avoided, and the disassembly and the assembly of a worker on the mechanical seal of the large-sized pump are facilitated.

Drawings

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

FIG. 2 is a right side view of the steel plate of the present invention;

fig. 3 is a front view of the steel plate of the present invention.

In the figure: the steel plate, the jack, the connecting hole, the screw rod, the gasket, the bolt, the rotating cap, the limiting piece, the connecting bearing, the connecting rod, the fixing hole, the locking hole and the clamping groove are 1, 2, 4, 5, 7 and 8, and the locking hole and the clamping groove are 12.

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.

Referring to fig. 1-3, a special tool for mechanical seal disassembly and assembly of a large-scale pump comprises a steel plate 1, the right side of the steel plate 1 is provided with three jacks 2, the diameter of the middle jack 2 is larger than that of the top jack 2 and that of the bottom jack 2, the right side of the steel plate 1 is provided with a connecting hole 3, a screw rod 4 is fixedly installed inside the connecting hole 3, the left end of the screw rod 4 penetrates through the connecting hole 3 and extends to the left side of the steel plate 1, the jacks 2 are equidistantly arranged outside the central jack 2, a gasket 5 is movably installed outside the screw rod 4 and on the left side of the steel plate 1, bolts 6 are in threaded connection with the outer side of the screw rod 4 and on the left side and the right side of the steel plate 1, a rotating cap 7 is fixedly installed on the outer side of the screw rod 4 and on the right side of the steel plate 1, a limiting piece 8 is fixedly installed on the outer side of the rotating cap 7, and a connecting bearing 9 is fixedly installed on the right end of the screw rod 4, the right end of the connecting bearing 9 is movably provided with a connecting rod 10, the limiting sheets 8 are arranged on the outer side of the rotating cap 7 at equal intervals, the connecting rod 10 is a threaded rod, the top and the bottom of the right side of the steel plate 1 are respectively provided with two fixing holes 11, the right side of the steel plate 1 and the outer side of the jack 2 are provided with locking holes 12, the diameter of each locking hole 12 is smaller than that of the corresponding connecting hole 3, the locking holes 12 are arranged on the outer side of the central jack 2 at equal intervals, the outer side of the steel plate 1 is provided with clamping grooves 13, the thickness of each clamping groove 13 is not more than five millimeters, the number of the lead screws 4 is two, when the large-scale pump is mechanically sealed, the steel plate 1 is firstly fixedly arranged on a bearing box support of the large-scale pump through the fixing holes 11, then the two lead screws 4 are inserted into the connecting holes 3, then the left ends of the two lead screws 4 are twisted into the sealing structure, and then the two bolts 6 are twisted inwards to fix the positions of the lead screws 4, then turn round connecting rod 10 and go into on the pump strutting arrangement, the staff only need twist rotatory cap 7 with the spanner when carrying out the sealed dismouting of large-scale pump this moment, will drive seal structure and to the inside removal of large-scale pump under the effect of rotatory cap 7 outside spacing piece 8, thereby realize the installation and the dismantlement of large-scale pump seal structure, do not need with crowbar and copper in the installation dismantlement, to the damage undersize of large-scale pump seal structure in the installation, light simple dismantlement and the installation that just can seal up, both shortened the repair time and avoided the great economic loss that causes because sealed the damage, the dismouting of staff to large-scale pump mechanical seal has been made things convenient for.

When the mechanical seal structure is used, when mechanical seal of a large-scale machine pump is carried out, firstly, a steel plate 1 is fixedly installed on a bearing box support of the large-scale machine pump through a fixing hole 11, then two screw rods 4 are inserted into the connecting hole 3, then the left ends of the two screw rods 4 are twisted into the sealing structure, then two bolts 6 are twisted inwards to fix the positions of the screw rods 4, then a connecting rod 10 is twisted into a machine pump supporting device, at the moment, a worker only needs to twist a rotating cap 7 with a wrench when carrying out seal disassembly and assembly of the large-scale machine pump, the sealing structure is driven to move towards the inside of the large-scale machine pump under the action of a limiting sheet 8 on the outer side of the rotating cap 7, and therefore installation and disassembly of the sealing structure of the large-scale machine pump are achieved.

To sum up, the special tool for dismounting the mechanical seal of the large-scale pump machine is characterized in that the lead screws 4 are arranged, when the mechanical seal of the large-scale pump machine is carried out, firstly, the steel plate 1 is fixedly arranged on a bearing box bracket of the large-scale pump machine through the fixing holes 11, then the two lead screws 4 are inserted into the connecting holes 3, then the left ends of the two lead screws 4 are twisted into the sealing structure, then the two bolts 6 are twisted inwards to fix the positions of the lead screws 4, then the connecting rod 10 is twisted into the pump supporting device, at the moment, a worker only needs to twist the rotating cap 7 by a wrench when carrying out the dismounting of the seal of the large-scale pump machine, the sealing structure is driven to move towards the inside of the large-scale pump machine under the action of the limiting piece 8 at the outer side of the rotating cap 7, so that the mounting and dismounting of the sealing structure of the large-scale pump machine are realized, and no crowbar and copper plate are needed when mounting and dismounting, the damage undersize to large-scale machine pump seal structure in the installation, light simple dismantlement and installation that just can seal have been carried out, both shortened maintenance time and avoided the great economic loss who causes because sealed damage, made things convenient for staff to large-scale machine pump mechanical seal's dismouting, the dismantlement method who has solved traditional seal structure is mainly for the crowbar prize-out, the installation method is for knocking in sealed with the copper bar, very easily cause sealed damage, bring great economic loss, the problem that probably causes the risk of producing the shut down because of the long-time operation of device list equipment simultaneously.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 special frock of large-scale mechanical pump mechanical seal dismouting, includes steel sheet (1), its characterized in that: jack (2) has been seted up on the right side of steel sheet (1), connecting hole (3) has been seted up on the right side of steel sheet (1), the inside fixed mounting of connecting hole (3) has lead screw (4), the outside of lead screw (4) just is located the left side movable mounting of steel sheet (1) and has gasket (5), the equal threaded connection in the outside of lead screw (4) just is located the left and right sides of steel sheet (1) has bolt (6), the outside of lead screw (4) just is located the right side fixed mounting of steel sheet (1) and has rotatory cap (7), the outside fixed mounting of rotatory cap (7) has spacing piece (8), the right-hand member fixed mounting of lead screw (4) has connecting bearing (9), the right-hand member movable mounting of connecting bearing (9) has connecting rod (10), two fixed orificess (11) have all been seted up with the bottom in the top on the right side of steel sheet (1), the right side of steel sheet (1) just is located the outside of jack (2) and has seted up locking hole (12), draw-in groove (13) have been seted up in the outside of steel sheet (1).

2. The special tool for dismounting and mounting mechanical seal of large-scale mechanical pump according to claim 1, characterized in that: the number of the jacks (2) is three, and the diameter of the middle jack (2) is larger than that of the top jack (2) and that of the bottom jack (2).

3. The special tool for dismounting and mounting mechanical seal of large-scale mechanical pump according to claim 1, characterized in that: the left end of the screw rod (4) penetrates through the connecting hole (3) and extends to the left side of the steel plate (1), and the jacks (2) are arranged on the outer side of the central jack (2) at equal intervals.

4. The special tool for dismounting and mounting mechanical seal of large-scale mechanical pump according to claim 1, characterized in that: the limiting pieces (8) are arranged on the outer side of the rotating cap (7) at equal intervals, and the connecting rod (10) is a threaded rod.

5. The special tool for dismounting and mounting mechanical seal of large-scale mechanical pump according to claim 1, characterized in that: the diameter of the locking holes (12) is smaller than that of the connecting holes (3), and the locking holes (12) are arranged on the outer side of the central insertion hole (2) at equal intervals.

6. The special tool for dismounting and mounting mechanical seal of large-scale mechanical pump according to claim 1, characterized in that: the thickness of the clamping grooves (13) is not more than five millimeters, and the number of the screw rods (4) is two.