CN218712706U

CN218712706U - Closed water theft-proof screw hoist

Info

Publication number: CN218712706U
Application number: CN202222794654.9U
Authority: CN
Inventors: 万东廉; 万俊伟; 郭中意
Original assignee: Henan Xinglong Hydropower Equipment Manufacturing Co ltd
Current assignee: Henan Xinglong Hydropower Equipment Manufacturing Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-24
Anticipated expiration: 2032-10-24

Abstract

The utility model relates to the technical field of opening and closing machines, in particular to a closed water-stealing-prevention screw rod opening and closing machine, which comprises a casing, wherein an outer cover pipe is arranged below the casing, a threaded rod is rotatably arranged in the casing, the top of the threaded rod extends to the upper part in the casing, the bottom of the threaded rod extends into the outer cover pipe, a protective cover for plugging the threaded rod is arranged at the top of the casing, a mounting groove is arranged at one side of the casing, a plugging cover is arranged at one end of the mounting groove connected with the outside, a lock sleeve is arranged in the mounting groove, and a clamping mechanism for clamping the protective cover is arranged in the lock sleeve; a clamping hole is formed in one side wall of the protective cover, the clamping mechanism comprises a first through groove, a second through groove, a clamping rod, a compression spring and a limiting plate, the inner end of the clamping rod extends into the clamping hole, the outer end of the clamping rod extends into the second through groove, and a locking cover is in threaded connection with the inner end of the clamping rod. The utility model discloses can prevent that anyone from opening the gate at will under the condition of no special key, steal the water condition emergence, and the protective cover dismouting of being convenient for.

Description

Closed water theft-proof screw hoist

Technical Field

The utility model relates to a headstock gear technical field, especially a closed theftproof water screw rod headstock gear.

Background

The hoist is used for various large-scale water supply and drainage, water conservancy and hydropower engineering. The hoist is used for controlling the lifting of various large and medium cast iron gates and steel gates to achieve the opening and closing purposes, and is also divided into a hydraulic hoist, a winch hoist, a gantry crane, a hand wheel hoist, a manual electric hoist, a hand hoist, a screw hoist, a double-hanging hoist and the like.

Screw headstock gear and then drive reciprocating of gate through rotating the screw rod at the during operation, the service environment of hand screw headstock gear is usually in outdoor mountain area, arranges the special messenger to take care when not using seldom, consequently, the control management is more weak, and anyone passes through the hand headstock gear and can control opening and close of gate promptly, and the phenomenon of stealing water, stealing water often appears, brings influence and loss for work such as retaining and draining.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses specifically adopt following technical scheme.

The closed water-stealing-preventing screw hoist comprises a casing, wherein an outer cover pipe is arranged below the casing, a threaded rod is rotatably arranged in the casing, the top of the threaded rod extends to the upper part in the casing, the bottom of the threaded rod extends into the outer cover pipe, a protective cover for plugging the threaded rod is arranged at the top of the casing, an installation groove is formed in one side of the casing, a plugging cover is arranged at one end, connected with the outside, of the installation groove, a lock sleeve is arranged in the installation groove, and a clamping mechanism for clamping the protective cover is arranged in the lock sleeve;

seted up the card hole on the lateral wall of protective cover, clamp the mechanism including set up in the lock cover two logical groove one that communicate each other and lead to groove two, the activity establish the kelly in leading to groove one, establish compression spring on the kelly, fix the limiting plate on the kelly, the inner of kelly extends to in the card hole, and the outer end extends to and leads to in the groove two and threaded connection has the locking closure, compression spring is located between the inner wall of limiting plate and logical groove one, limiting plate and lock cover sliding connection.

Preferably, the upper inner wall and the lower inner wall of the first through groove are respectively provided with a sliding groove in sliding fit with the limiting plate, and two ends of the limiting plate are arranged in the sliding grooves in a sliding manner.

Preferably, a notch is formed in the outer wall of the lock sleeve, a jack screw extending into the notch is arranged on the casing, and the lock sleeve is abutted and fixed in the mounting groove through the jack screw.

Preferably, a hexagonal prism is fixed at the outer end of the lock cover.

Preferably, cylindrical pins are fixed on two sides of the upper end of the threaded rod.

Preferably, the threaded rod is provided with a nut in threaded fit with the outer cover tube in sliding connection, and the bottom of the nut is connected with a hoisting mechanism for hoisting the gate.

Preferably, the device also comprises a T-shaped wrench sleeve matched with the threaded rod and the cylindrical pin and a special key matched with the clamping mechanism.

The beneficial effects of the utility model reside in that:

the utility model discloses a be equipped with special key and clamp the mechanism cooperation, namely with hexagonal sleeve of hexagonal prism complex and with the screw sleeve of kelly outer end screw-thread fit, can twist off the locking closure from the kelly through clamping hexagonal sleeve end on hexagonal prism, through screwing screw sleeve end on the kelly, can make it deviate from the card hole through pulling the kelly, thereby take off the protective cover, and then the upper end at the threaded rod through T-shaped socket spanner suit, thereby make the threaded rod rotate and then control the start-stop of headstock gear; when compression spring resets, can clamp the protective cover at the top of casing again fast, carry out the shutoff with the threaded rod to avoid under the condition of no special key, anyone can not control opening and shutting of headstock gear at will, then opening of control gate, thereby reach the purpose that prevents to sleep secretly, steal water, the easy dismounting of protective cover moreover.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of a T-shaped socket wrench;

FIG. 4 is a schematic view of the structure of a special key;

the reference numbers in the figures are: the novel lock comprises a machine shell 1, a protective cover 2, a cylindrical pin 3, a threaded rod 4, an outer cover tube 5, screws 6, a hanging tube 7, a hanging head 8, a socket wrench 9T-shaped, a clamping hole 10, a jackscrew 11, a clamping rod 12, a limiting plate 13, a sliding groove 14, a compression spring 15, a locking cover 16, a hexagonal prism 17, a first through groove 18, a second through groove 19, a locking sleeve 20, a mounting groove 21, a special key 22, a hexagonal sleeve 23 and a threaded sleeve 24.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

The utility model provides a closed theftproof water screw rod headstock gear, as shown in fig. 1 to 4, including casing 1, be equipped with outer cover pipe 5 in the below of casing 1, inside rotation at casing 1 is equipped with threaded rod 4, the top of threaded rod 4 extends to the top in the casing 1, its bottom extends to in the outer cover pipe 5, be fixed with cylindric lock 3 in the upper end both sides of threaded rod 4, outer cover pipe 5 can play the guard action to threaded rod 4, prevent that external magazine from getting into in the line of threaded rod 4, and then the life of extension headstock gear, screw-thread fit has the nut 6 with outer cover pipe 5 sliding connection on threaded rod 4, be connected with the hoist and mount mechanism who is used for hoisting the gate in the bottom of nut 6, hoist and mount mechanism includes hanging pipe 7 fixed with nut 6 bottom and hanging head 8 fixed with hanging pipe 7 bottom, and the lower extreme extensible of threaded rod 4 is in hanging pipe 7, the gate is installed on hanging head 8.

Be equipped with the protective cover 2 that is used for shutoff threaded rod 4 at the top of casing 1, the rotation opening of threaded rod 4 is established on the top, protective cover 2 can carry out the shutoff protection with the rotation opening of threaded rod 4, and protective cover 2 can not open at will, prevent to steal the condition of water and take place, mounting groove 21 has been seted up in one side of casing 1, be equipped with the shutoff lid in the one end of mounting groove 21 and external connection, be equipped with lock sleeve 20 in mounting groove 21, be equipped with the mechanism that clamps of protective cover 2 in lock sleeve 20.

The clamping mechanism comprises a first through groove 18 and a second through groove 19 which are arranged in a lock sleeve 20 and are communicated with each other, a clamping rod 12 movably arranged in the first through groove 18, a compression spring 15 sleeved on the clamping rod 12 and a limiting plate 13 fixed on the clamping rod 12, wherein a notch is formed in the outer wall of the lock sleeve 20, a top thread 11 extending into the notch is arranged on the casing 1, the lock sleeve 20 is tightly propped and fixed in the mounting groove 21 through the top thread 11, the inner end of the clamping rod 12 extends into the clamping hole 10, the outer end of the clamping rod extends into the second through groove 19 and is in threaded connection with a lock cover 16, the compression spring 15 is located between the limiting plate 13 and the inner wall of the first through groove 18, the limiting plate 13 is in sliding connection with the lock sleeve 20, sliding grooves 14 which are in sliding fit with the limiting plate 13 can be respectively formed in the upper inner wall and the lower inner wall of the first through groove 18, two ends of the limiting plate 13 are arranged in sliding connection in the sliding connection with the sliding grooves 14, and sliding connection of the limiting plate 13 and the sliding grooves 14 is realized.

Can make the one end of kelly 12 break away from card hole 10 through pulling kelly 12, protective cover 2 just can open, then can rotate threaded rod 4 through the top of the suit at threaded rod 4 with threaded

rod

4 and 3 complex T shape box spanner 9 of cylindric lock to carry out lifting by crane of gate. Certainly, the jamming rod 12 is not operated by anyone at will, the locking cover 16 is positioned in the mounting groove 21 and cannot be operated by people, and a special tool is needed, so the device also needs to be provided with a special key 22 to pull the jamming rod 12 out of the jamming hole 10 so as to unlock the protective cover 2, the hexagonal prism 17 is fixed at the outer end of the locking cover 16 and is used for being matched with the special key 22, the special key 22 comprises two unlocking ends, one unlocking end is a hexagonal sleeve 23 matched with the hexagonal prism 17, and the other unlocking end is a threaded sleeve 24 in threaded fit with the outer end of the jamming rod 12.

The utility model discloses a working method does: during unlocking, firstly opening a blocking cover on the mounting groove, then using a hexagonal sleeve 23 of a special key 22 to unlock an end sleeve on a hexagonal prism 17, rotating to screw out and take down a lock cover 16 from a clamping rod 12, then using a threaded sleeve 24 of the special key 22 to unlock an end sleeve screwed on an external thread at the outer end of the clamping rod 12, then pulling the clamping rod 12 outwards until the inner end of the clamping rod 12 is separated from a clamping hole 10, then separating a protective cover 2 from the limit of the clamping rod 12, easily taking down the protective cover 2, enabling a limiting plate 13 to move outwards along with the clamping rod 12 at the moment, enabling a compression spring 15 to be in a compressed state, and loosening the clamping rod 12 after the protective cover is taken down; the T-shaped socket wrench 9 is inserted into the cylindrical pin 3 at the top of the threaded rod 4, the T-shaped socket wrench 9 is rotated to drive the threaded rod 4 to rotate together, the nut 6 moves up and down along the outer cover tube 7 at the moment, and the hanging tube 7, the hanging head 8 and the gate are driven to move up and down together, so that the opening and closing of the gate are controlled, and further, under the condition that no special key 22 is provided, anyone can not control the opening and closing of the hoist, so that the phenomenon of water stealing is prevented;

when the lock is locked, the clamping rod 12 is pulled outwards again through the special key 22, then the protective cover 2 is installed at the top of the machine shell 1, then the clamping rod 22 is loosened, the inner end of the protective cover 2 is clamped in the clamping hole 10 on one side of the protective cover 2, the protective cover 2 is fixedly blocked at the manual starting position of the threaded rod 4, then the threaded sleeve 24 unlocking end of the special key 22 is rotated reversely, the special key 22 is taken down from the threaded end of the clamping rod 12, the hexagonal sleeve 23 unlocking end of the special key 22 is sleeved on the hexagonal prism 17 on the lock cover 16, then the special key 22 is aligned with the threaded end of the clamping rod 12, the special key 22 is rotated to enable the lock cover 16 to be screwed on the clamping rod 12, then the special key 22 is taken down, the blocking cover is installed on the installation groove 21, namely, the blocking and locking work is completed, at this time, under the condition that the special key 22 is not available, the protective cover 2 cannot be opened, and the purpose of blocking the hoist is achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalent substitutions may be made in some of the features of the embodiments; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a closed theftproof water screw headstock gear, includes casing (1), is equipped with outer cover pipe (5) below casing (1) the inside of casing (1) is rotated and is equipped with threaded rod (4), the top of threaded rod (4) extends to the top in casing (1), and its bottom extends to in outer cover pipe (5), its characterized in that, be equipped with protective cover (2) that are used for shutoff threaded rod (4) at the top of casing (1), seted up mounting groove (21) in one side of casing (1), be equipped with the shutoff lid in the one end that mounting groove (21) and external intercommunication, be equipped with lock sleeve (20) in mounting groove (21), be equipped with the clamping mechanism that clamps protective cover (2) in lock sleeve (20);

seted up card hole (10) on the lateral wall of protective cover (2), clamp the mechanism including set up in lock sleeve (20) two communicate each other lead to groove one (18) and lead to groove two (19), the activity establish in leading to groove one (18) kelly (12), the cover establish compression spring (15) on kelly (12), fix limiting plate (13) on kelly (12), the inner of kelly (12) extends to in calorie hole (10), and the outer end extends to and has locking closure (16) in leading to groove two (19) and threaded connection, compression spring (15) are located between limiting plate (13) and the inner wall that leads to groove one (18), limiting plate (13) and lock sleeve (20) sliding connection.

2. The closed type water theft prevention screw hoist according to claim 1, characterized in that: the upper inner wall and the lower inner wall of the through groove I (18) are respectively provided with a sliding groove (14) which is in sliding fit with the limiting plate (13), and two ends of the limiting plate (13) are arranged in the sliding grooves (14) in a sliding mode.

3. The closed type water theft prevention screw hoist according to claim 1 or 2, characterized in that: the lock is characterized in that a notch is formed in the outer wall of the lock sleeve (20), a jackscrew (11) extending into the notch is arranged on the machine shell (1), and the lock sleeve (20) is abutted and fixed in the mounting groove (21) through the jackscrew (11).

4. The closed type water theft prevention screw hoist according to claim 3, characterized in that: a hexagonal prism (17) is fixed at the outer end of the lock cover (16).

5. The closed type water theft prevention screw hoist according to claim 1, characterized in that: cylindrical pins (3) are fixed on two sides of the upper end of the threaded rod (4).

6. The closed type water theft prevention screw hoist according to claim 5, characterized in that: the threaded rod (4) is in threaded fit with a nut (6) in sliding connection with the outer cover tube (5), and the bottom of the nut (6) is connected with a hoisting mechanism for hoisting a gate.

7. The closed type water theft prevention screw hoist according to claim 4, characterized in that: the special key (22) matched with the clamping mechanism is further included, the special key (22) comprises two unlocking ends, one unlocking end is a hexagonal sleeve (23) matched with the hexagonal prism (17), and the other unlocking end is a threaded sleeve (24) in threaded fit with the outer end of the clamping rod (12).

8. The closed type water theft prevention screw hoist according to claim 5, characterized in that: and the T-shaped wrench socket (9) is matched with the threaded rod (4) and the cylindrical pin (3).