CN219906737U

CN219906737U - Auxiliary device for lifting submersible sewage pump of bridge crane

Info

Publication number: CN219906737U
Application number: CN202320894771.4U
Authority: CN
Inventors: 张立伟; 罗明红; 曾芝毅; 王方乐; 董理强; 何晓明
Original assignee: Beikong Technical Service Guangdong Co ltd
Current assignee: Beikong Technical Service Guangdong Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-10-27
Anticipated expiration: 2033-04-19

Abstract

The utility model relates to an auxiliary device for a bridge crane lifting submersible sewage pump, which comprises mounting plates, hanging plates, manual chains and bearing chains, wherein the two mounting plates are connected with the hanging plates through connecting components, two pulley shafts are fixedly connected to the upper part of the back of each mounting plate, a single-side pulley is rotatably arranged on each pulley shaft, and the single-side pulleys are hung on transverse guide rails of the bridge crane; a rotating shaft is rotatably arranged on one mounting plate, a hand-pulled chain wheel and a gear are respectively arranged at two ends of the rotating shaft, chain links of the hand-pulled chain are meshed with chain link grooves of the hand-pulled chain wheel, a gear ring is arranged on the edge of a unilateral pulley close to the gear, and the gear ring is meshed with the gear; the top of the bearing chain is arranged on the hanging ring at the lower part of the hanging plate, and the bottom of the bearing chain is provided with an auxiliary lifting hook through a U-shaped hanging ring. The auxiliary device avoids complex redundant early-stage preparation work, and provides convenient operation conditions for the secondary lifting.

Description

Auxiliary device for lifting submersible sewage pump of bridge crane

Technical Field

The utility model relates to the field of drainage facilities, in particular to an auxiliary device for a bridge crane lifting submersible sewage pump.

Background

At present, the problems of secondary or multiple lifting in the overhaul operation of the submersible sewage pump caused by the large depth of pump wells and insufficient height of bridge type lifting equipment exist in deep well pump stations such as various lifting pump stations, middle pump stations, tail submersible sewage pump stations and the like. The traditional secondary lifting or multiple lifting mostly adopts a mode of temporarily fixing multiple alternate lifting by using a fixing pin or a chain rope after self-lapping the frame.

The traditional lifting mode has the defects of complex preparation work in the earlier stage, labor consumption, long overall operation time and delay of operation progress in emergency repair; the risk is high in the fixing operation process, and the risks of mechanical injury, falling and the like exist; the operation process needs to be matched by a plurality of people, and the labor cost is high.

The root cause of the above-mentioned drawbacks is that the temporary fixing of the preliminary preparation work is required every time the lifting operation is performed, time and labor are consumed, no special machinery or equipment is used for replacing heavy shelves, the preliminary preparation work of channel steel is carried, and sudden dangerous situations exist in the operation process.

Disclosure of Invention

The utility model aims to overcome the problems in the prior art and provides an auxiliary device for a bridge crane lifting submersible sewage pump.

In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:

the auxiliary device comprises two symmetrical mounting plates, a hanging plate, a manual chain and a bearing chain, wherein the two mounting plates are connected with the hanging plate through a connecting assembly, two pulley shafts perpendicular to the mounting plates are fixedly connected to the upper part of the back of each mounting plate, a single-side pulley is rotatably arranged on each pulley shaft, and the single-side pulleys are hung on a transverse guide rail of the bridge crane; a rotating shaft is rotatably arranged on one mounting plate, a hand-pulled chain wheel and a gear are respectively arranged at two ends of the rotating shaft, chain links of the hand-pulled chain are meshed with chain link grooves of the hand-pulled chain wheel, a gear ring is arranged on the edge of a unilateral pulley close to the gear, and the gear ring is meshed with the gear; the top of the bearing chain is arranged on the hanging ring at the lower part of the hanging plate, and the bottom of the bearing chain is provided with an auxiliary lifting hook through a U-shaped hanging ring.

The connecting assembly comprises a half-tooth bolt, a locknut, two limit sleeves and a shaft sleeve, wherein the half-tooth bolt is sleeved in a first round hole, the limit sleeves and the shaft sleeve at the lower part of the mounting plate, the locknut is in threaded connection with an external thread post at the tail part of the half-tooth bolt, the shaft sleeve and the two mounting plates are respectively clamped with the limit sleeves, and the shaft sleeve is fixedly mounted in a second round hole at the upper part of the hanging plate.

The beneficial effects of the utility model are as follows: the auxiliary device is hung on a transverse guide rail of the bridge crane through a single-side pulley, when the electric hoist of the bridge crane lifts the submersible sewage pump to the stroke end point of the electric hoist for the first time, a lifting chain of the submersible sewage pump is fixed on an auxiliary lifting hook, then the lifting hook of the electric hoist of the bridge crane is arranged below again, and then the lifting chain of the submersible sewage pump is fixed on the lifting hook of the electric hoist again for secondary lifting, so that the submersible sewage pump is lifted out of the pump well; the auxiliary device avoids complex redundant early-stage preparation work, eliminates various emergency dangerous situations caused by using temporary material shelves in the traditional lifting operation, and achieves the existing convenient operation conditions during secondary lifting.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of the structure of the auxiliary device and the bridge crane of the present utility model when lifting a submersible sewage pump;

FIG. 2 is a schematic view of the structure of the auxiliary device suspended on the transverse guide rail in the present utility model;

FIG. 3 is a schematic view of a portion of the structure of the auxiliary device and bridge crane of the present utility model;

the reference numerals in the figures illustrate: the device comprises a mounting plate 1, a pulley shaft 2, a single-side pulley 3, a rotating shaft 4, a gear ring 5, a hand chain wheel 6, a hand chain 7, a hanging plate 8, a bearing chain 9, a U-shaped hanging ring 10, an auxiliary lifting hook 11, a lifting hook safety card 12, a half-tooth bolt 13, a locknut 14, a limit sleeve 15, a shaft sleeve 16, a pump well 100, a submersible pump 200, a lifting chain 201, an electric hoist 300, a lifting hook 301 and a transverse guide rail 400.

Description of the embodiments

The utility model will be described in detail below with reference to the drawings in combination with embodiments.

As shown in fig. 1 to 3, an auxiliary device for a bridge crane to lift a submersible sewage pump comprises two symmetrical mounting plates 1, a hanging plate 8, a manual chain 7 and a bearing chain 9.

The two mounting plates 1 and the hanging plate 8 are connected through a connecting assembly, the connecting assembly comprises a half-tooth bolt 13, a locknut 14, two limit sleeves 15 and a shaft sleeve 16, the half-tooth bolt 13 is sleeved in a first round hole at the lower part of the mounting plate 1, the limit sleeves 15 and the shaft sleeve 16, the locknut 14 is in threaded connection with an external thread column at the tail part of the half-tooth bolt 13, the shaft sleeve 16 and the two mounting plates 1 are respectively clamped with the limit sleeve 15, and the shaft sleeve 16 is fixedly arranged in a second round hole at the upper part of the hanging plate 8; and the suspension plate 8 is the same distance from the two mounting plates 1.

The upper part of the back of each mounting plate 1 is fixedly connected with two pulley shafts 2 perpendicular to the mounting plates 1, each pulley shaft 2 is rotatably provided with a single-side pulley 3, and the single-side pulley 3 is hung on a transverse guide rail 400 of the bridge crane. The top end of the mounting plate 1 is a plane, and the height difference between each pulley shaft 2 and the top end of the mounting plate 1 is the same.

The rotary shaft 4 is rotatably arranged on one mounting plate 1, the hand-pulled chain wheel 6 and the gear are respectively arranged at two ends of the rotary shaft, chain links of the hand-pulled chain 7 are meshed with chain link grooves of the hand-pulled chain wheel 6, the gear ring 5 is arranged on the edge of the unilateral pulley 3 close to the gear, and the gear ring 5 is meshed with the gear. The manual chain is pulled to enable the hand-pulling chain wheel to rotate, so that the gear is driven to rotate, and then the unilateral pulley provided with the gear ring is driven to roll along the transverse guide rail of the bridge crane.

The top of the bearing lock chain 9 is arranged on a hanging ring at the lower part of the hanging plate 8, and the bottom of the bearing lock chain 9 is provided with an auxiliary lifting hook 11 through a U-shaped hanging ring 10; the auxiliary lifting hook 11 is provided with a hook safety clip 12 for preventing the articles hooked on the auxiliary lifting hook 11 from sliding down.

The using process comprises the following steps:

1. checking the position of the single-sided pulley on the transverse guide rail of the bridge crane, and ensuring that no single-sided pulley deviates from the transverse guide rail 400 of the bridge crane;

2. the manual chain is pulled to check that the single-side pulley normally slides on the transverse guide rail 400 of the bridge crane;

3. checking the bearing chain and the auxiliary lifting hook, ensuring the normal surfaces of the bearing chain and the auxiliary lifting hook, preventing rust corrosion and blocking, and ensuring the normal state of the safety card of the lifting hook;

4. checking the electric hoist 300 of the bridge crane according to the safety operation regulations to ensure the normal operation of the electric hoist 300 of the bridge crane;

5. after the well cover is removed from the top of the pump well 100 by the electric hoist 300, the lifting lock chain 201 of the submersible sewage pump 200 is fixed on the lifting hook 301 of the electric hoist 300, and the electric hoist 300 is started to perform one-time lifting operation;

6. after primary lifting operation, when the crane hoist is stopped, firstly fixing the auxiliary lifting hook 11 with the lifting chain 201 of the submersible sewage pump 200, then lowering the lifting hook 301 of the electric hoist 300 again, then fixing the lifting hook 301 of the electric hoist 300 with the lifting chain 201 of the submersible sewage pump 200 again after the lifting hook 301 is taken down, and finally starting the electric hoist again to perform secondary lifting operation, so that the submersible sewage pump 200 is lifted above the wellhead of the pump well 100;

7. after the operation is completed, checking that all the equipment states are normal and then resetting.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. Auxiliary device for bridge crane promotes stealthily dirty pump, its characterized in that: the auxiliary device comprises two symmetrical mounting plates, a hanging plate, a manual chain and a bearing chain, wherein the two mounting plates are connected with the hanging plate through a connecting assembly, two pulley shafts perpendicular to the mounting plates are fixedly connected to the upper part of the back of each mounting plate, a single-side pulley is rotatably arranged on each pulley shaft, and the single-side pulleys are hung on a transverse guide rail of the bridge crane; a rotating shaft is rotatably arranged on one mounting plate, a hand-pulled chain wheel and a gear are respectively arranged at two ends of the rotating shaft, chain links of the hand-pulled chain are meshed with chain link grooves of the hand-pulled chain wheel, a gear ring is arranged on the edge of a unilateral pulley close to the gear, and the gear ring is meshed with the gear; the top of the bearing chain is arranged on the hanging ring at the lower part of the hanging plate, and the bottom of the bearing chain is provided with an auxiliary lifting hook through a U-shaped hanging ring.

2. The auxiliary device of claim 1, wherein: the auxiliary lifting hook is provided with a lifting hook safety clip for preventing articles hooked on the auxiliary lifting hook from sliding off.

3. The auxiliary device of claim 1, wherein: the connecting assembly comprises a half-tooth bolt, a locknut, two limit sleeves and a shaft sleeve, wherein the half-tooth bolt is sleeved in a first round hole, the limit sleeves and the shaft sleeve at the lower part of the mounting plates, the locknut is in threaded connection with an external thread column at the tail part of the half-tooth bolt, the shaft sleeve and the two mounting plates are respectively clamped with the limit sleeves, and the shaft sleeve is fixedly mounted in a second round hole at the upper part of the hanging plate.

4. A supplemental device as claimed in claim 3, wherein: the distance between the hanging plate and the two mounting plates is the same.

5. The auxiliary device of claim 1, wherein: the top of the mounting plate is a plane, and the height difference between each pulley shaft and the top of the mounting plate is the same.