CN219386213U - Safety protection device of hydraulic engineering headstock gear - Google Patents
Safety protection device of hydraulic engineering headstock gear Download PDFInfo
- Publication number
- CN219386213U CN219386213U CN202320552909.2U CN202320552909U CN219386213U CN 219386213 U CN219386213 U CN 219386213U CN 202320552909 U CN202320552909 U CN 202320552909U CN 219386213 U CN219386213 U CN 219386213U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- ratchet wheel
- hinge seat
- block
- pawl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a safety protection device of a hydraulic engineering hoist in the field of safety protection devices, which comprises a base, wherein the top of the base is fixedly connected with a first hinged support, a second hinged support and a third hinged support, a ratchet wheel is hinged in the first hinged support, a connecting block is hinged in the second hinged support, and an eccentric block is in running fit in the third hinged support. A pawl matched with the ratchet wheel is hinged on the connecting block, and a limiting block is arranged between the pawl and the second hinged support; an auxiliary wheel is rotatably matched on the connecting block, and the eccentric block is coaxially and fixedly connected with a motor; the ratchet wheel is coaxially and fixedly connected with an headstock gear. The motor rotates to drive the eccentric block to rotate, at the moment, the connecting block and the pawl rotate back and forth along with the eccentric block, the pawl continuously pushes the ratchet wheel to rotate, and the pawl can fix the ratchet wheel, so that the ratchet wheel cannot be reversed. And the limiting block is clamped in the ratchet wheel, so that the ratchet wheel can be secondarily fixed. Therefore, the anti-reversing capability of the hoist equipment is improved, and the safety of the hoist equipment is enhanced.
Description
Technical Field
The utility model belongs to the field of safety protection devices, and particularly relates to a safety protection device of a hydraulic engineering hoist.
Background
The gate hoist in hydraulic engineering is also called as hoist gate, is a large-scale hydraulic machinery product, the gate hoist relates to the normal operation of hydraulic building, except meeting the design requirement of general hoisting machinery, the safe and reliable work and flexible and convenient operation have special significance, when selecting hoist type, mainly consider the following factors: gate form, seal size and operation condition, the number of openings of the same type gate and the number of lifting lugs of the gate are set, and the opening and closing force, the opening and closing stroke and the opening and closing speed are set, and the power condition, the setting place, the space scale and other operation requirements of the opening and closing machine are set. Most of the existing gate opening and closing machines are placed in open air in the field and other environments, lack of protection structures, are subjected to sun-drying and rain-spraying and the like for a long time, are easy to damage, and reduce the service life of the gate opening and closing machine.
In order to solve the problems, the patent with the Chinese patent publication number of CN 218466472U discloses a safety protection device of a hydraulic engineering hoist, which comprises a foundation, a hoist body and an upright post, wherein the upper surface of the foundation is provided with a protection mechanism and a limiting mechanism; the protection mechanism comprises a motor fixedly arranged on the upper surface of a foundation, an adjusting screw is fixedly arranged on an output shaft of the motor, an adjusting sleeve is fixedly arranged on the output shaft of the adjusting screw, a connecting column is fixedly arranged on one side, close to the hoist body, of the adjusting sleeve, and a protective cover is fixedly arranged on one side, far away from the adjusting sleeve, of the connecting column. This safety device of hydraulic engineering headstock gear, through the starter motor, make its output drive and adjust the lead screw rotation, drive simultaneously and adjust the cover displacement, adjust cover displacement and drive spliced pole and protection casing displacement to the protection casing is adjusted along with adjusting the cover displacement, and protection casing displacement is pasted with the upper surface of ground this moment.
The device is through the protection casing to protect headstock gear body, reached the advantage of protection. However, the device only protects the appearance of the hoist body, so that the damage to the outside of the hoist is avoided, and when the hoist is operated to control the valve, if the hoist is inverted, the failure of opening or closing the valve can be caused, but the existing mode has lower anti-inversion capability, poor safety and even damage to the hoist. Therefore, the scheme provides a safety protection device of the hydraulic engineering headstock gear.
Disclosure of Invention
In order to solve the problems of low anti-reversing capability and poor safety, the utility model provides a safety protection device of a hydraulic engineering hoist, which is used for improving the anti-reversing capability of the hoist and enhancing the safety of the hoist.
In order to achieve the above object, the technical scheme of the present utility model is as follows: the safety protection device of the hydraulic engineering hoist comprises a base, wherein the top of the base is fixedly connected with a first hinged support and a second hinged support, a ratchet wheel is hinged in the first hinged support, a connecting block is hinged in the second hinged support, a pawl matched with the ratchet wheel is hinged on the connecting block, a torsion spring is arranged between the connecting block and the pawl, a limiting block is arranged between the pawl and the second hinged support, and the limiting block is fixedly connected to the connecting block; a third hinge seat is fixedly connected to one side of the base, an eccentric block is rotatably matched in the third hinge seat, the eccentric block is divided into a near part and a far part, the distance between the near part and the third hinge seat is smaller than the distance between the far part and the third hinge seat, an auxiliary wheel is rotatably matched on the connecting block, and the auxiliary wheel is propped against the eccentric block; the eccentric block is coaxially and fixedly connected with a motor which is fixedly connected to the base.
The ratchet wheel is coaxially and fixedly connected with headstock gear equipment, the headstock gear equipment comprises a gate, the gate top fixedly connected with cable wire, one end fixedly connected with rolling equipment of the gate is kept away from to the cable wire, the rolling equipment comprises a support and a rolling rod, the rolling rod is rotationally connected with the support, one end fixedly connected with driving piece is kept away from to the cable wire on the rolling rod, and the other end of the rolling rod is coaxially and fixedly connected with the ratchet wheel.
The principle and the beneficial effect of the scheme are adopted: when the device is used, the motor is started, the output shaft of the motor rotates to drive the eccentric block to rotate, and the eccentric block is propped against the auxiliary wheel, so that the auxiliary wheel rotates around the first hinge support when the eccentric block slides to the near part of the eccentric block. At this time, the connecting block and the pawl rotate along with the eccentric block, the eccentric block continues to rotate, when the auxiliary block rotates to the telecentric part, the connecting block and the pawl rotate in the opposite direction again, and the pawl always abuts against the ratchet wheel due to the torsion spring arranged between the connecting block and the pawl, so that the ratchet wheel can be driven to rotate when the pawl rotates, and the ratchet wheel is fixed by the pawl at this time due to the abutting of the auxiliary block and the eccentric block, so that the ratchet wheel cannot be inverted.
Because the limiting block is arranged between the pawl and the second hinged support, the limiting block is clamped in the ratchet wheel to fix the ratchet wheel for the second time, and further the ratchet wheel is prevented from reversing, so that the winding rod can be prevented from reversing. Therefore, the anti-reversing capability of the hoist equipment is improved, and the safety of the hoist equipment is enhanced.
When the protective device is not used, the pawl is pulled away from the ratchet, the driving piece can be started at the moment, and the driving piece drives the winding rod to rotate, so that the steel rope is wound and discharged, and the gate is pulled to be opened or closed.
Further, the driving piece is a stepping motor, an output shaft of the stepping motor is fixedly connected with the winding rod coaxially, and the stepping motor is fixedly connected to the bracket.
The beneficial effects are that: the stepping motor can well control the rotation angle of the output shaft of the stepping motor, thereby controlling the rotation angle of the winding rod, and further facilitating the control of the opening or closing degree of the gate. And the rotating rod is controlled by adopting a machine, so that the use of labor force can be reduced, and the efficiency is improved.
Further, the driving piece is a rotating rod which is fixedly connected to the winding rod.
The beneficial effects are that: when the rotating rod is used for driving, the rotating rod is required to be manually rotated, the winding rod is more flexible to be manually controlled, and the influence of power failure on the control of the gate can be avoided.
Further, fixedly connected with connecting rod on the dwang, dwang one end rotation is kept away from to the connecting rod is connected with the handle.
The beneficial effects are that: when the rotating rod is used, the handle can be used for rotating, and the handle can be convenient for a worker to hold.
Further, base bottom fixedly connected with connecting block is equipped with a plurality of screw holes on the connecting block, and threaded hole internal thread cooperation has the screw.
The beneficial effects are that: the screw is matched with the threaded hole, so that the screw can fix the connecting block, the base is fixed, and the use stability of the device is enhanced.
Further, the handle is provided with anti-skid patterns.
The beneficial effects are that: the anti-skid lines can increase the contact area between the hands and the handles, so that the friction force between the hands and the handles is increased, and slipping is avoided.
Further, be connected with first casing on the support detachable, rolling pole and driving piece all are located the casing.
The beneficial effects are that: the first casing can be convenient for protect rolling pole and driving piece, avoids receiving external force to influence and causes the damage.
Further, the base is detachably connected with a second shell, and the first hinge seat, the second hinge seat, the ratchet wheel, the connecting block, the pawl, the torsion spring, the limiting block, the third hinge seat, the eccentric block and the auxiliary wheel are all located in the second shell.
The beneficial effects are that: the second casing can be convenient for protect first free bearing, second free bearing, ratchet, connecting block, pawl, torsional spring, stopper, third free bearing, eccentric block and auxiliary wheel, avoids receiving external force to influence and causes the damage.
Drawings
Fig. 1 is a front view of a safety device of a hydraulic engineering hoist according to a first embodiment.
Fig. 2 is a side view of a safety device of a hydraulic engineering hoist according to the first embodiment.
Fig. 3 is a side view of a safety device of a hydraulic engineering hoist according to a third embodiment.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the device comprises a base 1, a first hinge seat 2, a second hinge seat 3, a ratchet wheel 4, a connecting block 5, a pawl 6, a limiting block 7, a third hinge seat 8, an eccentric block 9, an auxiliary wheel 10, a motor 11, a steel rope 13, a bracket 14, a winding rod 15, a driving piece 16, a stepping motor 17, a rotating rod 18, a connecting rod 19, a handle 20, a connecting block 21, a screw 22, an anti-skid pattern 23, a first shell 24 and a second shell 25.
Example 1
An example is substantially as shown in figures 1 and 2:
the safety protection device of the hydraulic engineering hoist comprises a base 1, wherein a first hinging seat 2 and a second hinging seat 3 are fixedly welded at the top of the base 1, a ratchet wheel 4 is hinged in the first hinging seat 2, a connecting block 5 is hinged in the second hinging seat 3, a pawl 6 matched with the ratchet wheel 4 is hinged on the connecting block 5, a torsion spring is arranged between the connecting block 5 and the pawl 6, one end of the torsion spring is fixedly connected to the connecting block 5, the other end of the torsion spring is fixedly connected to the pawl 6, a limiting block 7 is arranged between the pawl 6 and the second hinging seat 3, and the limiting block 7 is fixedly welded on the connecting block 5; a third hinge seat 8 is welded and fixed on one side of the base 1, an eccentric block 9 is rotationally matched with the third hinge seat 8, the eccentric block 9 is divided into a near part and a far part, the distance between the near part and the third hinge seat 8 is smaller than the distance between the far part and the third hinge seat 8, an auxiliary wheel 10 is rotationally matched with the connecting block 5, and the auxiliary wheel 10 is propped against the eccentric block 9; the eccentric block 9 is fixedly welded with a motor 11 coaxially, and the motor 11 is fixedly welded on the base 1.
The ratchet wheel 4 is fixed with headstock gear equipment through coaxial welding, the headstock gear equipment includes the gate, gate top fixedly connected with cable wire 13, cable wire 13 keeps away from gate one end fixedly connected with rolling equipment, rolling equipment includes support 14 and rolling pole 15, rolling pole 15 and support 14 rotate to be connected, cable wire 13 keeps away from gate one end fixedly connected with on rolling pole 15, rolling pole 15 one end welded fastening has driving piece 16, rolling pole 15 other end and ratchet wheel 4 coaxial welded fastening.
The specific implementation process is as follows: when the device is used, the motor 11 is started, the output shaft of the motor 11 rotates to drive the eccentric block 9 to rotate, and when the eccentric block 9 slides to the near part of the eccentric block 9, the auxiliary wheel 10 rotates around the first hinged support 2. At this time, the connection block 5 and the pawl 6 rotate along with the eccentric block 9, when the auxiliary block rotates to the telecentric part, the connection block 5 and the pawl 6 rotate in the opposite direction again, and the pawl 6 always abuts against the ratchet wheel 4 due to the torsion spring arranged between the connection block 5 and the pawl 6, so that the pawl 6 drives the ratchet wheel 4 to rotate when rotating, and at this time, the auxiliary block abuts against the eccentric block 9, so that the pawl 6 fixes the ratchet wheel 4, and the ratchet wheel 4 cannot be reversed.
Because the limiting block 7 is arranged between the pawl 6 and the second hinge support 3, the limiting block 7 is clamped in the ratchet wheel 4 to secondarily fix the ratchet wheel 4, and further the ratchet wheel 4 is prevented from reversing, so that the winding rod 15 is prevented from reversing. Therefore, the anti-reversing capability of the hoist equipment is improved, and the safety of the hoist equipment is enhanced.
When the protection device is not used, the pawl 6 is pulled away from the ratchet wheel 4, at the moment, the driving piece 16 can be opened, and the driving piece 16 drives the winding rod 15 to rotate, so that the steel rope 13 is wound and discharged, and the gate is pulled to be opened or closed.
Example two
The difference between this embodiment and the above embodiment is that: the driving piece 16 is a stepping motor 17, an output shaft of the stepping motor 17 is fixedly connected with the winding rod 15 in a coaxial welding way, and the stepping motor 17 is fixedly welded on the bracket 14.
The specific implementation process is as follows: the stepping motor 17 can well control the rotation angle of the output shaft of the stepping motor 17, thereby controlling the rotation angle of the winding rod 15, thereby facilitating the control of the opening or closing degree of the shutter. And the rotating rod 18 is controlled mechanically, so that the labor force can be reduced, and the efficiency can be improved.
Example III
As shown in fig. 3, this embodiment differs from the above embodiment in that: the driving piece 16 is a rotating rod 18, and the rotating rod 18 is welded and fixed on the winding rod 15.
The specific implementation process is as follows: when the rotating rod 18 is used for driving, the rotating rod 18 is required to be manually rotated, the winding rod 15 is more flexibly controlled by manual operation, and the influence of power failure on the control of the gate can be avoided.
Example IV
The difference between this embodiment and the above embodiment is that: a connecting rod 19 is welded and fixed on the rotating rod 18, and a handle 20 is connected to one end of the connecting rod 19 away from the rotating rod 18 in a rotating way.
The specific implementation process is as follows: the handle 20 can be used for rotating when the rotating rod 18 is used, and the handle 20 can be convenient for a worker to hold.
Example five
The difference between this embodiment and the above embodiment is that: the base 1 bottom welded fastening has connecting block 5, is equipped with a plurality of screw holes on the connecting block 5, and the screw 22 is equipped with to the screw hole internal thread fit.
The specific implementation process is as follows: the screw 22 is matched with the threaded hole, so that the screw 22 can fix the connecting block 5, thereby fixing the base 1 and enhancing the use stability of the device.
Example six
The difference between this embodiment and the above embodiment is that: the handle 20 is provided with anti-slip patterns 23.
The specific implementation process is as follows: the anti-slip patterns 23 can increase the contact area between the hand and the handle 20, thereby increasing the friction between the hand and the handle 20 and avoiding slipping.
Example seven
The difference between this embodiment and the above embodiment is that: the bracket 14 is detachably connected with a first shell 24 through a screw 22, and the winding rod 15 and the driving piece 16 are both positioned in the shells.
The specific implementation process is as follows: the first housing 24 can be convenient for protect the winding rod 15 and the driving piece 16 from damage caused by external force.
Example eight
The difference between this embodiment and the above embodiment is that: the base 1 is detachably connected with a second shell 25 through a screw 22, and the first hinge seat 2, the second hinge seat 3, the ratchet wheel 4, the connecting block 5, the pawl 6, the torsion spring, the limiting block 7, the third hinge seat 8, the eccentric block 9 and the auxiliary wheel 10 are all positioned in the second shell 25.
The specific implementation process is as follows: the second housing 25 can be convenient for protect the first hinge support 2, the second hinge support 3, the ratchet wheel 4, the connecting block 5, the pawl 6, the torsion spring, the limiting block 7, the third hinge support 8, the eccentric block 9 and the auxiliary wheel 10 from being damaged due to the influence of external force.
The foregoing is merely exemplary of the present utility model and the specific structures and/or characteristics of the present utility model that are well known in the art have not been described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (8)
1. A safety device of hydraulic engineering headstock gear, its characterized in that: the device comprises a base, wherein the top of the base is fixedly connected with a first hinge seat and a second hinge seat, a ratchet wheel is hinged in the first hinge seat, a connecting block is hinged in the second hinge seat, a pawl matched with the ratchet wheel is hinged on the connecting block, a torsion spring is arranged between the connecting block and the pawl, a limiting block is arranged between the pawl and the second hinge seat, and the limiting block is fixedly connected to the connecting block; a third hinge seat is fixedly connected to one side of the base, an eccentric block is rotatably matched in the third hinge seat, the eccentric block is divided into a near part and a far part, the distance between the near part and the third hinge seat is smaller than the distance between the far part and the third hinge seat, an auxiliary wheel is rotatably matched on the connecting block, and the auxiliary wheel is propped against the eccentric block; the eccentric block is coaxially and fixedly connected with a motor which is fixedly connected to the base;
the ratchet wheel is coaxially and fixedly connected with headstock gear equipment, the headstock gear equipment comprises a gate, the gate top fixedly connected with cable wire, one end fixedly connected with rolling equipment of the gate is kept away from to the cable wire, the rolling equipment comprises a support and a rolling rod, the rolling rod is rotationally connected with the support, one end fixedly connected with driving piece is kept away from to the cable wire on the rolling rod, and the other end of the rolling rod is coaxially and fixedly connected with the ratchet wheel.
2. The safety device of the hydraulic engineering hoist according to claim 1, characterized in that: the driving piece is a stepping motor, an output shaft of the stepping motor is fixedly connected with the winding rod coaxially, and the stepping motor is fixedly connected to the bracket.
3. The safety device of the hydraulic engineering hoist according to claim 2, characterized in that: the driving piece is a rotating rod which is fixedly connected to the winding rod.
4. The safety device of a hydraulic engineering hoist according to claim 3, characterized in that: and a connecting rod is fixedly connected to the rotating rod, and one end, far away from the rotating rod, of the connecting rod is rotationally connected with a handle.
5. The safety device of the hydraulic engineering hoist according to claim 4, characterized in that: the base bottom fixedly connected with connecting block is equipped with a plurality of screw holes on the connecting block, and threaded hole internal thread complex has the screw.
6. The safety device of the hydraulic engineering hoist according to claim 5, characterized in that: the handle is provided with anti-skid patterns.
7. The safety device of the hydraulic engineering hoist according to claim 6, characterized in that: the support is detachably connected with a first shell, and the winding rod and the driving piece are both positioned in the shell.
8. The safety device of the hydraulic engineering hoist according to claim 7, characterized in that: the base is detachably connected with a second shell, and the first hinge seat, the second hinge seat, the ratchet wheel, the connecting block, the pawl, the torsion spring, the limiting block, the third hinge seat, the eccentric block and the auxiliary wheel are all positioned in the second shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320552909.2U CN219386213U (en) | 2023-03-21 | 2023-03-21 | Safety protection device of hydraulic engineering headstock gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320552909.2U CN219386213U (en) | 2023-03-21 | 2023-03-21 | Safety protection device of hydraulic engineering headstock gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219386213U true CN219386213U (en) | 2023-07-21 |
Family
ID=87190497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320552909.2U Active CN219386213U (en) | 2023-03-21 | 2023-03-21 | Safety protection device of hydraulic engineering headstock gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219386213U (en) |
-
2023
- 2023-03-21 CN CN202320552909.2U patent/CN219386213U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3921761A (en) | Method and means of winding torsion spring | |
| CN219386213U (en) | Safety protection device of hydraulic engineering headstock gear | |
| CN106395658A (en) | Winch rope arrangement device and winch | |
| US9957744B2 (en) | Power tool to spring torsioner converter | |
| US4242050A (en) | Windmill power generator | |
| KR200235852Y1 (en) | Fishing net pulling up apparatus for ship | |
| KR100669209B1 (en) | Device grapple of construction heavy equipment | |
| CN212801440U (en) | Hydraulic buffering quick-closing hoist for emergency gate | |
| JP3025296U (en) | Simple power drive with manual handle | |
| JPH0756301Y2 (en) | Endless winch | |
| US5368112A (en) | Tensioning apparatus for tie down lines | |
| CN106672836B (en) | Rope fixing device | |
| CN218841628U (en) | Portable lifting device for power transmission live working | |
| CN206985566U (en) | A kind of hoisting machine of tower crane | |
| JPS6310265B2 (en) | ||
| CN109403892A (en) | A kind of borer drill rod fast assembling-disassembling technique | |
| KR200331524Y1 (en) | Windlass for a vessel | |
| CN219927946U (en) | Overwater rescue sling device | |
| CN220640204U (en) | Quick-detachable top flow machine | |
| CN2376465Y (en) | Comprehensive limiting device for building tower crane | |
| CN217490833U (en) | Novel spring type pressure reaction device | |
| SU1010242A1 (en) | Rig for drilling blast-holes | |
| CN220035346U (en) | Swing screw type headstock gear | |
| CN216617548U (en) | Pneumatic auxiliary anchor cable tool | |
| CN216644981U (en) | Movable circulating flue gas hood on sintering machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |