CN213952149U

CN213952149U - High screw headstock gear of security

Info

Publication number: CN213952149U
Application number: CN202022738678.3U
Authority: CN
Inventors: 李运廷
Original assignee: Hebei Shuiyue Environmental Protection Technology Co ltd
Current assignee: Hebei Shuiyue Environmental Protection Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-08-13
Anticipated expiration: 2030-11-24

Abstract

The utility model relates to a screw headstock gear technical field just discloses a high screw headstock gear of security, and it includes the base, the top fixed mounting of base has the casing, the inner wall top center department of casing rotates through the bearing and is connected with the sleeve that is vertical direction, telescopic interior week side is opened and is equipped with the thread groove, just the sleeve is inside to alternate through screw-thread fit to be connected with the threaded rod that is vertical direction, the surface of threaded rod runs through along one side of its direction of height and has seted up the spacing groove, the inner wall bottom fixedly connected with of casing is pegged graft at the stroke inslot and is used for blockking that the threaded rod carries out the pivoted stopper. The utility model discloses a jack catch that sets up on the casing opens the gate the back, can fix the sleeve through the effect of jack catch to avoid the sleeve to appear bearing pressure not taking place to invert and the phenomenon that leads to the gate to close, improved the device in use's security.

Description

High screw headstock gear of security

Technical Field

The utility model belongs to the technical field of the screw headstock gear, specifically be a high screw headstock gear of security.

Background

The screw hoist is a machine which uses a threaded rod to connect with a gate leaf directly or through a guide slide block and a connecting rod, the screw rod moves up and down to open and close the gate, along with the wide development of water conservancy and hydropower engineering, the screw hoist is used for hoist on engineering projects such as riverway dams in reservoir irrigation areas, hydropower stations and the like, the gates are adopted in large quantities, and the knowledge of installation, debugging and use and maintenance of the screw hoist also needs to be popularized widely.

When the screw hoist is used for controlling the gate to be opened, internal spare and accessory parts of the screw hoist can bear the pressure caused by the gate all the time, if the threaded rod can be rapidly descended and the gate can be closed downwards due to the fact that parts cannot bear the pressure or other problems due to aging, normal use of the gate can be influenced and accidents can be caused, certain hidden dangers are brought to the use of the screw hoist, and therefore the screw hoist with high safety is designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem provided in the above-mentioned background art, the utility model provides a high screw headstock gear of security.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high screw headstock gear of security, includes the base, the top fixed mounting of base has the casing, the inner wall top center department of casing rotates through the bearing and is connected with the sleeve that is vertical direction, the screw thread groove has been seted up to telescopic interior week side, just the sleeve is inside to alternate through screw-thread fit to be connected with the threaded rod that is vertical direction, the surface of threaded rod runs through along one side of its direction of height and has seted up the spacing groove, the inner wall bottom fixedly connected with of casing is pegged graft at the stroke inslot and is used for blockking the threaded rod and carry out the pivoted stopper, casing and base are run through respectively at the upper and lower both ends of threaded rod, be provided with on the casing and be used for driving the sleeve to carry out a pivoted slewing mechanism, just be provided with in the casing and be used for fixed telescopic jack catch.

Furthermore, the first rotating mechanism comprises a worm wheel which is fixedly sleeved on the outer periphery of the sleeve in the horizontal direction and is located in the shell, a worm which is in the horizontal direction and meshed with the worm wheel through worm threads is rotatably connected in the shell through a bearing, and a second rotating mechanism which is used for driving the worm to rotate is arranged on the base.

Further, second slewing mechanism sets up on the base and is fore-and-aft synchronizing wheel one including rotating, the one end of worm runs through the casing and fixed cup joints have and is fore-and-aft and lie in the synchronizing wheel two of one top, there is the hold-in range through the tooth's socket winding between synchronizing wheel one and the synchronizing wheel two, be provided with on the base and be used for driving synchronizing wheel one and carry out pivoted driving piece.

Furthermore, the driving part is a first motor fixedly installed on the base, and an output shaft of the first motor is in the horizontal direction and is fixedly connected with the first synchronizing wheel through a coupler.

Furthermore, the inside of casing is provided with the pivot that is vertical direction, the jack catch is fixed to be cup jointed in the pivot, just the one end of jack catch is pegged graft in the tooth's socket of worm wheel, be provided with in the casing and be used for driving the pivot and carry out pivoted drive assembly along the horizontal direction.

Further, the driving assembly comprises a second motor fixedly installed at the bottom of the inner wall of the shell and an output shaft of the second motor faces upwards, and the bottom of the rotating shaft is fixedly connected to the tail end of the output shaft of the second motor.

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

1. the utility model discloses a jack catch that sets up on the casing is opening the gate back, and the sleeve can bear the pressure that gate weight brought always, can fix the sleeve through the effect of jack catch this moment to avoid the sleeve to appear bearing pressure not taking place to fall and lead to the phenomenon that the gate was closed, improved the device in use's security.

2. The utility model discloses a synchronizing wheel two that sets up on the worm, the driving piece is after driving synchronizing wheel one and rotate, can drive synchronizing wheel two through the cooperation with the hold-in range and carry out synchronous rotation to realize driving worm pivoted purpose, the worm can drive the sleeve through the worm wheel and rotate, makes the threaded rod can reciprocate, realizes the switch of gate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic plan view of the present invention;

FIG. 3 is a schematic view of the cross section along the A-A direction of the present invention;

FIG. 4 is an internal view of the housing structure of the present invention;

in the figure: 1. a base; 2. a housing; 3. a sleeve; 4. a threaded rod; 5. a first rotating mechanism; 51. a worm gear; 52. a worm; 6. a second rotating mechanism; 61. a first synchronizing wheel; 62. a second synchronizing wheel; 63. a synchronous belt; 7. a first motor; 8. a claw; 9. a rotating shaft; 10. and a second motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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. 1-4, the screw hoist with high safety provided by the present embodiment comprises a base 1, a casing 2 is fixedly installed on the top of the base 1, a sleeve 3 in a vertical direction is rotatably connected to the center of the top of the inner wall of the casing 2 through a bearing, a threaded groove is formed on the inner peripheral side of the sleeve 3, a threaded rod 4 in a vertical direction is penetratingly connected to the inside of the sleeve 3 through a threaded fit, a limit groove is formed on the surface of the threaded rod 4 along one side of the height direction of the threaded rod, a limit block inserted into the stroke groove and used for blocking the threaded rod 4 from rotating is fixedly connected to the bottom of the inner wall of the casing 2, the upper end and the lower end of the threaded rod 4 respectively penetrate through the casing 2 and the base 1, a first rotating mechanism 5 used for driving the sleeve 3 to rotate is arranged on the casing 2, and a clamping jaw 8 used for fixing the sleeve 3 is arranged in the casing 2, when the device uses, the gate is fixed mounting in threaded rod 4 bottom, through such design, effect through first slewing mechanism 5 can drive sleeve 3 and rotate in casing 2, and sleeve 3 can drive threaded rod 4 through screw-thread fit and carry out corresponding activity when rotating, because threaded rod 4 has received the spacing of stopper, make threaded rod 4 can only reciprocate and can not rotate, so threaded rod 4 reciprocates in sleeve 3 along with sleeve 3's rotation, in order to reach the effect of switch gate, open the gate after, sleeve 3 can bear the pressure that gate weight brought always, can fix sleeve 3 through jack catch 8's effect this moment, in order to avoid sleeve 3 to appear bearing not to live pressure and take place to invert and lead to the phenomenon that the gate closed, the security of the device in use has been improved.

Specifically, referring to fig. 1, fig. 2, and fig. 3, in order to drive the sleeve 3 to rotate, in some embodiments, it is provided that the first rotating mechanism 5 includes a worm wheel 51 which is fixedly sleeved on an outer peripheral side of the sleeve 3 in a horizontal direction and is located inside the housing 2, a worm 52 which is in a horizontal direction and engaged with the worm wheel 51 through a worm thread is rotatably connected in the housing 2 through a bearing, and the base 1 is provided with a second rotating mechanism 6 for driving the worm 52 to rotate, when the worm 52 rotates, the worm wheel 51 can be driven to rotate synchronously through the cooperation of the worm thread to drive the sleeve 3 to rotate, so that the threaded rod 4 can move up and down, and the gate is opened and closed.

In order to realize the rotation of the worm 52, please refer to fig. 1 and fig. 2, the second rotating mechanism 6 includes a first synchronizing wheel 61 rotatably disposed on the base 1 and in a longitudinal direction, one end of the worm 52 penetrates through the housing 2 and is fixedly sleeved with a second synchronizing wheel 62 in a longitudinal direction and located above the first synchronizing wheel 61, a synchronous belt 63 is wound between the first synchronizing wheel 61 and the second synchronizing wheel 62 through a tooth slot, and a driving member for driving the first synchronizing wheel 61 to rotate is disposed on the base 1.

Preferably, as shown in fig. 2, the driving member is a first motor 7 fixedly mounted on the base 1, and an output shaft of the first motor 7 is in a horizontal direction and is fixedly connected with a first synchronizing wheel 61 through a coupling.

Specifically, in order to avoid the situation that the threaded rod 4 is reversed due to aging of parts and accessories and the like, please refer to fig. 3 and 4, in some embodiments, a rotating shaft 9 in the vertical direction is arranged inside the casing 2, the clamping jaw 8 is fixedly sleeved on the rotating shaft 9, one end of the clamping jaw 8 is inserted into a tooth groove of the worm wheel 51, and a driving assembly for driving the rotating shaft 9 to rotate along the horizontal direction is arranged in the casing 2, so that the clamping jaw 8 can limit the worm wheel 51 to prevent the worm wheel from rotating, thereby achieving the effect of fixing the sleeve 3, preventing the sleeve 3 from being reversed, preventing the gate from being accidentally closed, improving the safety of the device, and when the gate is required to be opened and closed, rotating shaft 9 is rotated through the driving assembly, and one end of the clamping jaw 8 is separated from the tooth groove of the worm wheel 51.

In order to realize the purpose of rotating the rotating shaft 9, in some embodiments, it is proposed that the driving assembly includes a second motor 10 fixedly installed at the bottom of the inner wall of the housing 2 and having an output shaft facing upward, and the bottom of the rotating shaft 9 is fixedly connected to the end of the output shaft of the second motor 10.

In the device, all electric devices and drivers matched with the electric devices are arranged at the idle position, and all driving parts, namely power elements, the electric devices and adaptive power supplies, are connected through leads by a person skilled in the art, and specific connecting means refer to the above expression that the electric devices are electrically connected in sequence, and detailed connecting means thereof are well known in the art.

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 screw type hoist with high safety comprises a base (1) and is characterized in that a shell (2) is fixedly mounted at the top of the base (1), a sleeve (3) in the vertical direction is rotatably connected at the center of the top of the inner wall of the shell (2) through a bearing, a thread groove is formed in the inner peripheral side of the sleeve (3), a threaded rod (4) in the vertical direction is penetratingly connected inside the sleeve (3) through thread fit, a limiting groove is formed in the surface of the threaded rod (4) along one side of the height direction of the threaded rod in a penetrating manner, a limiting block which is inserted into the thread groove and used for blocking the threaded rod (4) to rotate is fixedly connected at the bottom of the inner wall of the shell (2), the upper end and the lower end of the threaded rod (4) penetrate through the shell (2) and the base (1) respectively, a first rotating mechanism (5) used for driving the sleeve (3) to rotate is arranged on the shell (2), and a clamping jaw (8) for fixing the sleeve (3) is arranged in the shell (2).

2. The high-safety screw hoist according to claim 1, characterized in that the first rotating mechanism (5) comprises a worm wheel (51) which is fixedly sleeved on the outer periphery of the sleeve (3) in the horizontal direction and is positioned in the housing (2), a worm (52) which is in the horizontal direction and meshed with the worm wheel (51) through a worm thread is rotatably connected in the housing (2) through a bearing, and a second rotating mechanism (6) for driving the worm (52) to rotate is arranged on the base (1).

3. The high-safety screw hoist according to claim 2, characterized in that the second rotating mechanism (6) comprises a first vertical synchronizing wheel (61) rotatably disposed on the base (1), one end of the worm (52) penetrates through the housing (2) and is fixedly sleeved with a second vertical synchronizing wheel (62) located above the first synchronizing wheel (61), a synchronous belt (63) is wound between the first synchronizing wheel (61) and the second synchronizing wheel (62) through a tooth slot, and a driving member for driving the first synchronizing wheel (61) to rotate is disposed on the base (1).

4. The screw hoist with high safety according to claim 3, characterized in that the driving member is a first motor (7) fixedly mounted on the base (1), and an output shaft of the first motor (7) is in a horizontal direction and is fixedly connected with a first synchronizing wheel (61) through a coupling.

5. The screw hoist with high safety according to claim 2, characterized in that a rotating shaft (9) in the vertical direction is arranged inside the housing (2), the clamping jaw (8) is fixedly sleeved on the rotating shaft (9), one end of the clamping jaw (8) is inserted into a tooth groove of the worm gear (51), and a driving component for driving the rotating shaft (9) to rotate along the horizontal direction is arranged in the housing (2).

6. The high-safety screw hoist as claimed in claim 5, characterized in that the driving assembly comprises a second motor (10) fixedly installed at the bottom of the inner wall of the housing (2) and with the output shaft facing upwards, and the bottom of the rotating shaft (9) is fixedly connected to the tail end of the output shaft of the second motor (10).