CN217203915U - Double-hoisting-point quick screw hoist - Google Patents
Double-hoisting-point quick screw hoist Download PDFInfo
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- CN217203915U CN217203915U CN202220306729.1U CN202220306729U CN217203915U CN 217203915 U CN217203915 U CN 217203915U CN 202220306729 U CN202220306729 U CN 202220306729U CN 217203915 U CN217203915 U CN 217203915U
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- screw rod
- screw
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- 239000003921 oil Substances 0.000 claims abstract description 29
- 235000019198 oils Nutrition 0.000 claims abstract description 29
- 230000001050 lubricating effect Effects 0.000 claims abstract description 22
- 239000010687 lubricating oil Substances 0.000 claims abstract description 22
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 18
- 235000019488 nut oil Nutrition 0.000 claims abstract description 8
- 239000010466 nut oil Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 17
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
A double-lifting-point quick screw hoist relates to the field of hydraulic engineering and comprises a driving speed reducer and two commutators, wherein the driving speed reducer is provided with two output shafts, and each commutator is connected with the output shaft of the driving speed reducer through a link rod; each commutator is connected with a screw rod, the upper end of the screw rod extends out of the commutator and then is connected with a locking nut and a locknut, the lower end of the screw rod extends out of the commutator and then is connected with a main nut, the main nut is connected with a nut fixing hinge support through a nut fixing hinge, and the nut fixing hinge support is connected to a gate top beam; the main nut is provided with a nut oil hole, and the nut fixing hinge is provided with a fixing hinge oil hole; the hoist also comprises a multipoint lubricating pump, the multipoint lubricating pump is connected with the lubricating pump output oil pipe, the lubricating pump output oil pipe is connected with the lubricating oil inlet main pipe, the lubricating oil inlet main pipe is connected with two lubricating oil inlet branch pipes through a three-way joint, and each lubricating oil inlet branch pipe is connected with the fixed hinge oil hole on the corresponding nut fixed hinge. The utility model discloses the functioning speed is fast, nut long service life.
Description
Technical Field
The utility model relates to a hydraulic engineering field especially relates to the hoisting machinery of vertical lift gate.
Background
The screw hoist is a traditional machine type, in the prior art, bevel gear type screw hoists and worm gear type screw hoists are typical, the running speed of the traditional hoist is usually slow, the average running speed is about 20cm/min, the running efficiency is slow, most of the traditional hoists run for a long time and lack of lubrication, the damage rate of nuts is high, and the cost is high. Under the operating condition that has the high speed operation requirement, can not satisfy the operation requirement yet, especially in the engineering that the pump floodgate combines, often require to open and close the gate under the condition that the accident appears.
In addition, the screw of the existing screw hoist basically works underwater, can be corroded seriously after a long time, can be out of work when reaching a certain degree, and has the phenomenon of oil shortage because a great deal of engineering is not paid attention to maintenance after the screw hoist is installed completely.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a double-lifting-point quick screw hoist with high running speed and long nut service life.
The purpose of the utility model is realized like this: a double-lifting-point quick screw hoist comprises a driving speed reducer and two commutators, wherein the driving speed reducer and the two commutators are connected to the same platform; each commutator is connected with a vertical screw rod, the upper end of the screw rod extends out of the commutator and is connected with a locking nut and a locknut, the lower end of the screw rod extends out of the commutator and is connected with a main nut, the main nut is connected with a nut fixed hinge, the nut fixed hinge is connected with a nut fixed hinge support, and the nut fixed hinge support is connected to a gate top beam; the main nut is provided with a nut oil hole, the nut fixing hinge is provided with a fixing hinge oil hole, and the fixing hinge oil hole is communicated with the nut oil hole; the hoist further comprises a multi-point lubricating pump, the multi-point lubricating pump is connected with the lubricating pump output oil pipe, the lubricating pump output oil pipe is connected with the lubricating oil inlet main pipe, the lubricating oil inlet main pipe is connected with two lubricating oil inlet branch pipes through a three-way joint, and each lubricating oil inlet branch pipe is connected with the fixed hinge oil hole on the corresponding nut fixed hinge.
The utility model discloses a theory of operation: firstly, the driving speed reducer transmits power to the commutator through the double-row chain coupling, and the power transmission is a central type, so that hard synchronization is realized on two sides. The screw receives the power output by the commutator through the long flat key, the axial force of the screw is realized through the locking nut and the locknut, the rotating screw and the main nut below form a transmission pair, the screw rotates, and the main nut moves axially along the screw. The main nut is connected with the nut fixing hinge, the nut fixing hinge is connected with the nut fixing hinge support, and the nut fixing hinge support is fixed at the corresponding position of the top of the gate through a bolt, so that the rapid vertical lifting of the gate is realized. Through the multiple spot lubricating pump through lubricating pump output oil pipe, lubricated oil feed house steward, lubricated oil feed branch pipe oiling to the main nut position, maintain main nut and screw rod, increase of service life.
The utility model discloses two nut safety covers of sealing connection on the gate back timber, the fixed hinge of main nut, nut and the fixed hinge support of nut all set up in the nut safety cover, and the screw rod passes the nut safety cover. The periphery of the nut part is provided with a protective cover which is totally closed and mainly used for preventing water from overflowing the nut and the screw.
In order to protect the screw, a screw protection sleeve frame is connected below the commutator, a screw protection sleeve is connected between the screw protection sleeve frame and the nut protection cover, and the screw protection sleeve is arranged outside the screw. A protective sleeve is arranged at the effective part of the working stroke of the screw rod, and extends and contracts along the up-and-down movement of the gate.
In order to facilitate installation and guarantee sealing performance, one end, far away from the three-way joint, of the lubricating oil inlet branch pipe is connected with a sealing joint, the sealing joint penetrates through a nut protection cover and then is connected with a fixed hinge oil hole, and a joint sealing ring is arranged between the sealing joint and the nut protection cover.
The utility model discloses travel switch cover is connected to the top of commutator counter formula travel switch is connected on the top of screw rod, and counter formula travel switch sets up in travel switch cover. The counter type travel switch is driven to coaxially rotate through the rotation of the screw rod so as to control the up-down travel, and a totally-enclosed housing is arranged outside the travel switch to protect the travel switch.
The utility model discloses set up locking washer between lock nut and the locknut.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 1.
Fig. 4 is a schematic structural view of the main nut.
In the figure, a driving speed reducer 1, a double-row chain coupling 2, a link rod 3, a commutator 4, a travel switch cover 5, a counter type travel switch 6, a locking nut 7, a long flat key 8, a screw rod 9, a screw rod protective sleeve frame 10, a screw rod protective sleeve 11, a nut protective cover 12, a nut fixing hinge 13, a main nut 14, a nut fixing hinge support 15, a snap spring 16, a lubricating oil inlet branch pipe 17, a lubricating oil inlet main pipe 18, a three-way joint 19, a gate top beam 20, a sealing joint 21, a joint sealing ring 22, a locking gasket 23, a multi-point lubricating pump 24, a lubricating pump oil outlet pipe 25, a locking nut 26, a nut oil hole 27, a fixing hinge oil hole 28 and a closing shaft bearing 29.
Detailed Description
As shown in fig. 1 to 4, the utility model discloses a connect drive speed reducer 1 and two commutators 4 on same platform, drive speed reducer 1 is K and is driving speed reducer, drive speed reducer 1 has two output shafts, commutators 4 are T and are the commutators, two 4 symmetries of commutators set up the left and right sides at drive speed reducer 1, two output shafts of drive speed reducer 1 all connect horizontal link rod 3 through double-row chain coupling 2, every link rod 3 all connects commutator 4 through double-row chain coupling, the output shaft of commutator 4 is vertical hollow output shaft.
The hollow output shaft of each commutator 4 is connected with a vertical screw 9 through a long flat key 8, the upper end of the screw 9 extends out of the commutator 4 and then is connected with a locking nut 7 and a locknut 26, axial stress is guaranteed, and a lockwasher 23 is arranged between the locking nut 7 and the locknut 26. A travel switch cover 5 is connected above the commutator 4, a counter type travel switch 6 is connected to the top end of the screw 9, and the counter type travel switch 6 is arranged in the travel switch cover 5. The counter type travel switch 6 is driven to coaxially rotate by the rotation of the screw rod 9 so as to control the up-down travel. A totally-enclosed cover shell is arranged outside the travel switch.
A screw rod protective sleeve frame 10 is connected below the reverser 4, two nut protective covers 12 are hermetically connected on a gate top beam 20, the nut protective covers 12 are arranged right below the screw rod protective sleeve frame 10, and a screw rod protective sleeve 11 is connected between the screw rod protective sleeve frame 10 and the nut protective covers 12. The screw 9 extends out of the commutator 4 and the screw protection sleeve frame 10 and then is arranged in the screw protection sleeve 11 and the nut protection cover 12, the screw 9 is connected with the main nut 14, and the main nut 14 is arranged in the nut protection cover 12. The screw rod protection sleeve 11 extends and contracts along the up-and-down movement of the gate, and the screw rod protection sleeve 11 is made of artificial leather.
Two groups of nut fixing hinge supports 15 are further connected to the gate top beam 20, each group of nut fixing hinge supports 15 are respectively arranged in the corresponding nut protection covers 12, and a rubber pad is arranged between each nut fixing hinge support 15 and the gate top beam 20 to solve the waterproof problem. The main nut 14 is connected with a nut fixing hinge 13, a clamp spring 16 is arranged after the end part of the nut fixing hinge 13 extends out of a nut fixing hinge support 15, and a shaft closing bearing 29 is arranged between the nut fixing hinge support 15 and the nut fixing hinge 13. The main nut 14 is provided with a nut oil hole 27, the nut fixing hinge 13 is provided with a fixing hinge oil hole 28, and the fixing hinge oil hole 28 is communicated with the nut oil hole 27.
The main nut 14, the nut fixing hinge 13 and the nut fixing hinge support 15 are all located in the nut protection cover 12, are protected in a fully closed mode, and mainly prevent water from overflowing the nut and the screw.
The hoist further comprises a multi-point lubricating pump 24, the multi-point lubricating pump 24 is connected with a lubricating pump output oil pipe 25, the lubricating pump output oil pipe 25 is connected with a lubricating oil inlet main pipe 18, the lubricating oil inlet main pipe 18 is connected with two lubricating oil inlet branch pipes 17 through a three-way joint 19, each lubricating oil inlet branch pipe 17 is connected with a sealing joint 21, the sealing joints 21 penetrate through the nut protection cover 12 and then are connected with the fixed hinge oil holes 28 in the nut fixed hinge 13, and a joint sealing ring 22 is arranged between each sealing joint 21 and the nut protection cover 12.
The multi-point lubricating pump 24 is used for injecting oil to the position of the main nut 14 through the lubricating pump oil output pipe 25, the lubricating oil inlet main pipe 18, the lubricating oil inlet branch pipe 17, the sealing joint 21 and the nut fixing hinge 13, so that the main nut 14 and the screw rod 9 are maintained, and the service life is prolonged.
Claims (6)
1. The utility model provides a quick screw rod headstock gear of two hoisting points, characterized by: the device comprises a driving speed reducer and two commutators, wherein the driving speed reducer and the two commutators are connected on the same platform, the driving speed reducer is provided with two output shafts, the two commutators are symmetrically arranged on two sides of the driving speed reducer, and each commutator is connected with the output shaft corresponding to the driving speed reducer through a link rod; each commutator is connected with a vertical screw, the upper end of the screw extends out of the commutator and is connected with a locking nut and a locknut, the lower end of the screw extends out of the commutator and is connected with a main nut, the main nut is connected with a nut fixing hinge, the nut fixing hinge is connected with a nut fixing hinge support, and the nut fixing hinge support is connected to a gate top beam; a nut oil hole is formed in the main nut, a fixed hinge oil hole is formed in the nut fixed hinge, and the fixed hinge oil hole is communicated with the nut oil hole; the hoist also comprises a multi-point lubricating pump, the multi-point lubricating pump is connected with an output oil pipe of the lubricating pump, the output oil pipe of the lubricating pump is connected with a main lubricating oil inlet pipe, the main lubricating oil inlet pipe is connected with two branch lubricating oil inlet pipes through a three-way joint, and each branch lubricating oil inlet pipe is connected with a fixed hinge oil hole on a corresponding nut fixed hinge.
2. The double-lifting-point quick screw hoist of claim 1, characterized in that: two nut safety covers of sealing connection on the gate back timber, main nut, nut fixed hinge and nut fixed hinge support all set up in the nut safety cover, and the screw rod passes the nut safety cover.
3. The double-lifting-point quick screw hoist of claim 2, characterized in that: the lower part of the commutator is connected with a screw rod protective sleeve frame, a screw rod protective sleeve is connected between the screw rod protective sleeve frame and the nut protective cover, and the screw rod protective sleeve is arranged outside the screw rod.
4. The double-lifting-point quick screw hoist of claim 2, characterized in that: one end, far away from the three-way joint, of the lubricating oil inlet branch pipe is connected with a sealing joint, the sealing joint penetrates through the nut protection cover and then is connected with the fixed hinge oil hole, and a joint sealing ring is arranged between the sealing joint and the nut protection cover.
5. The double-lifting-point quick screw hoist of claim 1, characterized in that: and a travel switch cover is connected above the commutator, the top end of the screw rod is connected with a counter type travel switch, and the counter type travel switch is arranged in the travel switch cover.
6. The double-lifting-point quick screw hoist of claim 1, characterized in that: and a check washer is arranged between the locking nut and the check nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220306729.1U CN217203915U (en) | 2022-02-16 | 2022-02-16 | Double-hoisting-point quick screw hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220306729.1U CN217203915U (en) | 2022-02-16 | 2022-02-16 | Double-hoisting-point quick screw hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217203915U true CN217203915U (en) | 2022-08-16 |
Family
ID=82795232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220306729.1U Active CN217203915U (en) | 2022-02-16 | 2022-02-16 | Double-hoisting-point quick screw hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217203915U (en) |
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2022
- 2022-02-16 CN CN202220306729.1U patent/CN217203915U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240417 Address after: No. 126 Guigui Road, Baonu Village, Yangshou Town, Hanjiang District, Yangzhou City, Jiangsu Province, 225000 Patentee after: Yangzhou Yangong Water Technology Co.,Ltd. Country or region after: China Address before: 225000 Xinyang village, Yangmiao Town, Yangzhou City, Jiangsu Province Patentee before: Yangzhou Sugao Valve Control Co.,Ltd. Country or region before: China |