CN209923883U - Locking beam opening and closing device - Google Patents
Locking beam opening and closing device Download PDFInfo
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- CN209923883U CN209923883U CN201920252619.XU CN201920252619U CN209923883U CN 209923883 U CN209923883 U CN 209923883U CN 201920252619 U CN201920252619 U CN 201920252619U CN 209923883 U CN209923883 U CN 209923883U
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- shaped steel
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- connecting rod
- locking beam
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Abstract
The utility model relates to the technical field of hydropower station construction, in particular to a locking beam opening and closing device, which comprises two groups of locking beams which are movably arranged on an overhaul platform at one side of a trough well, wherein the locking beams are I-shaped steel, supporting and positioning mechanisms which are erected at the two sides of the I-shaped steel and a moving and conveying mechanism which is used for moving the I-shaped steel; the supporting and positioning mechanism comprises a plurality of swinging wheels arranged below the I-shaped steel T beam at intervals, connecting rods respectively hinged with the middles of the swinging wheels, a triangular connecting rod with an output end hinged with the middle part of the connecting rod, and an electric lead screw with an output end hinged with an input end of the triangular connecting rod, wherein fixed ends of the swinging wheels, the triangular connecting rod and the electric lead screw are all arranged on the maintenance platform; the movable conveying mechanism comprises a motor erected on the maintenance platform and a friction wheel arranged at the output end of the motor, and the bottom of the friction wheel is arranged at the top of the I-shaped steel. The utility model discloses reduce artificial intensity of labour, improved work efficiency, guaranteed operation safety.
Description
Technical Field
The utility model relates to a power station construction technical field, especially a locking roof beam device that opens and shuts.
Background
The gate is an important component of a hydraulic building and can be used for intercepting water flow, controlling water level, adjusting flow, discharging silt, floating objects and the like; the water inlet of a hydropower station is generally provided with one or more layers of trash racks to prevent floating foreign matters on the water surface from entering a water turbine, so that a serious mechanical accident is caused.
In the installation and debugging process of the gate or the maintenance and overhaul process of the trash rack, the raised trash rack or gate needs to be supported by the locking beam, so that the trash rack or gate is ensured to be in a fixed state, and the installation, maintenance or overhaul of the gate or the trash rack is facilitated.
Usually, the locking beam is placed on an overhaul platform at the top of the tank well, and the locking beam is pushed to the tank well through manpower when a gate needs to be installed and debugged or a trash rack needs to be maintained and overhauled, so as to fix the falling gate or trash rack. The dead weight of a large-scale gate valve or a trash rack can reach several tons, the dead weight of a locking beam is too large, the locking beam is difficult to operate and low in efficiency by manual pushing, and a manual operation area is positioned at the edge of a large-scale overhead slot well, so that accidents are easy to happen, and casualties are caused. Therefore, how to manufacture the locking beam opening and closing device capable of solving the problems in the prior art becomes a technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses just based on above-mentioned technical problem, provided a locking roof beam device that opens and shuts, compared with the prior art, the utility model discloses reduced manual operation, reduced artificial intensity of labour, improved work efficiency, with low costs, operation safe and reliable moreover.
In view of this, the utility model provides a locking roof beam device that opens and shuts, it includes: the locking beams are I-shaped steel, supporting and positioning mechanisms erected on two sides of the I-shaped steel, and a moving conveying mechanism used for moving the I-shaped steel; the supporting and positioning mechanism comprises a plurality of swinging wheels arranged below the I-shaped steel T beam at intervals, connecting rods respectively hinged with the middles of the swinging wheels, a triangular connecting rod with an output end hinged with the middle of the connecting rod, and an electric lead screw with an output end hinged with an input end of the triangular connecting rod, wherein fixed ends of the swinging wheels, the triangular connecting rod and the electric lead screw are all arranged on the maintenance platform; the movable conveying mechanism comprises a motor erected on the maintenance platform and a friction wheel arranged at the output end of the motor, and the bottom of the friction wheel is arranged at the top of the I-shaped steel.
According to the technical scheme, when the locking beam needs to be moved, the locking beam is supported through the supporting and positioning mechanism, then slides on the conveying wheels through the friction force of the friction wheels on the movable conveying mechanism, after the locking beam reaches the working and positioning position, the movable conveying mechanism stops conveying, and the supporting and positioning mechanism drops and locks the locking beam.
According to the scheme, the locking beam can be erected on the groove well according to construction requirements, and after construction and maintenance are completed, the locking beam is moved back and locked through the supporting and positioning mechanism and the moving and conveying mechanism. The whole process is simple, no human intervention is needed in the locking beam moving process, and the manual input is reduced;
in the scheme, the locking beam is moved through the electric control equipment, and when the locking beam is locked, the auxiliary electric control equipment can be completely in a dormant state. When the locking beam runs for a long time, all the weight of the gate or the trash rack is borne by the locking beam, the auxiliary electric control equipment cannot be damaged, and the risk of failure of the locking beam control device can be prevented.
In the technical scheme, the motor base is preferably further included, the middle of the motor base is hinged to the overhaul platform through the ear plates, the motor is arranged at the top of one side of the motor base, the limit stop is arranged at the bottom of one side of the motor base, a gap is reserved at the bottom of one side of the motor base, and a compression spring is arranged at the bottom of the other side of the motor base.
In the technical scheme, the motor base is preferably arranged, so that the spring pre-applies certain pressure between the friction wheel and the I-shaped steel, and power transmission between the friction wheel and the I-shaped steel is facilitated.
In the above technical scheme, preferably, the rocking wheel includes a fixing base, a supporting leg and a conveying wheel, the fixing base is arranged on the maintenance platform, one end of the supporting leg is hinged to the fixing base, and the other end of the supporting leg is hinged to the conveying wheel.
In this technical scheme, preferred, the rocking wheel simple structure can realize rocking, support and slip function.
In the above technical scheme, preferably, a stop block is arranged at a position corresponding to the i-steel on the maintenance platform at the other side of the trough well.
In the technical scheme, the stop block is preferably arranged to limit the locking beam, so that safety accidents in the mechanical operation process are prevented.
In the above technical scheme, preferably, a travel switch is arranged on the i-steel, locating parts arranged for the travel switch are arranged on the overhauling platforms on two sides of the trough well, and the trough well further comprises a controller, wherein the controller is connected with the travel switch, the electric lead screw and the motor.
In this solution, it is preferable to automatically control the operation and locking action of the locking beam. The manual intervention amount is reduced, and the construction efficiency is improved.
In the above technical solution, preferably, one group of the locking beams includes two i-beams arranged side by side at intervals.
In this technical scheme, preferably, form the clearance between two I-steel, the connecting rod that sets up at the trash rack top can be through the clearance, uses complementary unit to fix on the locking beam, has still increased the bearing capacity of locking beam when conveniently fixing the trash rack.
The utility model provides a locking beam opening and closing device, compared with the prior art, the operation difficulty and the operation cost of a large locking beam are reduced, and the automatic control of the gate locking operation is realized; moreover, the safety factor of the locking beam is increased, the failure risk of a locking beam control device is reduced, and the safety operation of the hydropower station is guaranteed.
Drawings
Fig. 1 shows a schematic view of the initial locked state of the present invention;
fig. 2 shows a schematic view of the working state of the present invention;
FIG. 3 shows a cross-sectional view A-A of FIG. 2;
fig. 4 shows a schematic structural diagram of the motor base of the present invention;
in the figure, a groove well 1, a maintenance platform 2, an I-steel 3, a swinging wheel 4, a connecting rod 5, a triangular connecting rod 6, an electric lead screw 7, a motor 8, a friction wheel 9, a motor seat 10, an ear plate 11, a limit stop 12, a compression spring 13, a fixed seat 14, a supporting leg 15, a conveying wheel 16, a stop 17 and a balancing weight 18 are arranged.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the disclosure below.
The technical solution of the present invention will be further explained with reference to fig. 1, fig. 2, fig. 3 and fig. 4.
A first embodiment, as shown in fig. 1, 2, 3 and 4: a locking beam opening and closing device, comprising: the device comprises two groups of locking beams movably arranged on an overhauling platform 2 on one side of a pit 1, a supporting and positioning mechanism and a moving and conveying mechanism, wherein the locking beams are I-shaped steel 3, the length of the I-shaped steel 3 is larger than that of a common locking beam, and the supporting and positioning mechanism is erected on two sides of the I-shaped steel 3; the supporting and positioning mechanism comprises a plurality of rocking wheels 4 arranged below the I-shaped steel 3T beam at intervals, connecting rods 5 respectively hinged with the middles of the rocking wheels 4, the number of the rocking wheels 4 is set according to the width of the trough well 1, generally 6 to 7 rocking wheels are arranged in each row, a triangular connecting rod 6 with an output end hinged with the middle of the connecting rod 5 and an electric lead screw 7 with an output end hinged with an input end of the triangular connecting rod 6, fixed ends of the rocking wheels 4, the triangular connecting rod 6 and the electric lead screw 7 are all arranged on the maintenance platform 2, and the electric lead screw 7 is arranged on the maintenance platform 2 through an ear plate 11; the movable conveying mechanism comprises a motor 8 erected on the overhaul platform 2 and a friction wheel 9 arranged at the output end of the motor 8, and the bottom of the friction wheel 9 is arranged at the top of the I-shaped steel 3. The friction wheel 9 is a rubber wheel. Rubber cushion layers are arranged at the top and the bottom of the I-shaped steel 3.
Still include motor cabinet 10, the middle part of motor cabinet 10 is passed through the articulated setting of otic placode 11 and is in overhaul on the platform 2, one side top of motor cabinet 10 is provided with motor 8, one side bottom of motor cabinet 10 is provided with limit stop 12, limit stop 12 with motor cabinet 10 one side bottom leaves the clearance, the opposite side bottom of motor cabinet 10 is provided with compression spring 13. Rocking wheel 4 includes fixing base 14, landing leg 15 and delivery wheel 16, fixing base 14 sets up overhaul on the platform 2, landing leg 15 one end with fixing base 14 is articulated, landing leg 15 the other end with delivery wheel 16 is articulated. And a stop block 17 is arranged at the position, corresponding to the I-shaped steel 3, of the other side maintenance platform 2 of the groove well 1. The I-steel 3 is provided with a travel switch, the maintenance platforms 2 on two sides of the groove well 1 are provided with limiting parts corresponding to the travel switch, and the groove well further comprises a controller, wherein the controller is connected with the travel switch, the electric lead screw 7 and the motor 8. The group of locking beam comprises two I-shaped steels 3 arranged side by side at intervals, the rear parts of the two I-shaped steels 3 are of an integral structure, and a balancing weight 18 is arranged between the rear parts of the two I-shaped steels 3.
The device is in an initial locking state: the locking beam is placed on the maintenance platform 2 at one side of the groove shaft 1 and is contacted with the maintenance platform 2, and the swinging wheel 4 is obliquely arranged below the T-shaped beam of the locking beam.
The working state is as follows: first step, start electronic lead screw 7, electronic lead screw 7 is inwards contract, and triangle connecting rod 6 upwards draws connecting rod 5 through electronic lead screw 7's power, and rocking wheel 4 is 90 degrees through drawing of connecting rod 5 and ground, and the locking roof beam makes locking roof beam bottom leave ground through the support of rocking wheel 4, and the top is contradicted friction pulley 9. In the second step, the motor 8 is started to rotate the friction wheel 9 in the forward direction, and the locking beam moves towards the groove well 1 on the conveying wheel 16 by the power of the friction wheel 9. And thirdly, the locking beam penetrates through the top of the groove well 1 and enters a working locking position after abutting against the stop block 17, the motor 8 is turned off, and the friction wheel 9 stops rotating. And fourthly, starting the electric lead screw 7, enabling the electric lead screw 7 to extend outwards, putting down the connecting rod 5 by the triangular connecting rod 6 through the power of the electric lead screw 7, enabling the swinging wheel 4 to lose the tensile force of the connecting rod 5 and incline towards one side, enabling the locking beam to lose the support of the swinging wheel 4 and fall onto the maintenance platform 2, and completing locking.
In the operation process, the opening and closing principle of the device is that the motor 8 is adopted to drive the friction wheel 9 and the plane friction principle on the locking beam to enable the locking beam to move, and the support and the guide of the locking beam in the operation process are restricted by the rocking wheels 4 on two sides. When the electric screw 7 lifts the locking beam through the rocking wheels 4, the friction wheels 9 are further tightly attached to the upper plane of the locking beam, pressure is applied to the friction surfaces under the action of the springs, when the motor 8 drives the friction wheels 9 to rotate, the locking beam flexibly moves under the support of the left and right rows of rocking wheels 4, and can move forwards and backwards, touch the limiting parts on the two sides of the well 1 to touch the travel switch, the device is automatically stopped through the control of the controller, and the automatic opening and closing of the locking beam are realized.
Because the length of the locking beam of the device is twice as long as that of the common locking beam, the device can be installed and used as long as enough space is reserved in the width direction of the slotted well 1. The rear half parts of the locking beams are connected into a whole and added with counterweights, so that unbalance during operation is prevented. A gantry type overturn-preventing protection device can be designed behind the operation position of the locking beam, so that the operation reliability of the overturn-preventing protection device is enhanced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (6)
1. The utility model provides a locking beam device that opens and shuts which characterized in that: the device comprises two groups of locking beams movably arranged on an overhauling platform at one side of a pit well, wherein the locking beams are I-shaped steel, supporting and positioning mechanisms erected at two sides of the I-shaped steel, and a moving and conveying mechanism used for moving the I-shaped steel;
the supporting and positioning mechanism comprises a plurality of swinging wheels arranged below the I-shaped steel T beam at intervals, connecting rods respectively hinged with the middles of the swinging wheels, a triangular connecting rod with an output end hinged with the middle of the connecting rod, and an electric lead screw with an output end hinged with an input end of the triangular connecting rod, wherein fixed ends of the swinging wheels, the triangular connecting rod and the electric lead screw are all arranged on the maintenance platform;
the movable conveying mechanism comprises a motor erected on the maintenance platform and a friction wheel arranged at the output end of the motor, and the bottom of the friction wheel is arranged at the top of the I-shaped steel.
2. The locking beam opening and closing device according to claim 1, wherein: still include the motor cabinet, the middle part of motor cabinet is passed through the otic placode and is articulated to be set up overhaul on the platform, one side top of motor cabinet is provided with the motor, one side bottom of motor cabinet is provided with limit stop, limit stop with clearance is left to motor cabinet one side bottom, the opposite side bottom of motor cabinet is provided with compression spring.
3. The locking beam opening and closing device according to claim 1 or 2, wherein: the rocking wheel comprises a fixed seat, supporting legs and a conveying wheel, wherein the fixed seat is arranged on the maintenance platform, one ends of the supporting legs are hinged to the fixed seat, and the other ends of the supporting legs are hinged to the conveying wheel.
4. The locking beam opening and closing device according to claim 3, wherein: and a stop block is arranged at the position corresponding to the I-shaped steel on the maintenance platform at the other side of the trough well.
5. The locking beam opening and closing device according to claim 1 or 4, wherein: set up travel switch on the I-steel, all be provided with on the groove well both sides overhauls the platform and aim at travel switch sets up the locating part still includes the controller, the controller is connected travel switch electric lead screw with the motor.
6. The locking beam opening and closing device according to claim 5, wherein: and the locking beam group comprises two I-shaped steels which are arranged side by side at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920252619.XU CN209923883U (en) | 2019-02-28 | 2019-02-28 | Locking beam opening and closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920252619.XU CN209923883U (en) | 2019-02-28 | 2019-02-28 | Locking beam opening and closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209923883U true CN209923883U (en) | 2020-01-10 |
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ID=69068961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920252619.XU Withdrawn - After Issue CN209923883U (en) | 2019-02-28 | 2019-02-28 | Locking beam opening and closing device |
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| Country | Link |
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| CN (1) | CN209923883U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004887A (en) * | 2019-02-28 | 2019-07-12 | 中电建(洛阳)装配式建筑科技有限公司 | A kind of locking beam closing device and locking beam opening/closing method |
| CN110004887B (en) * | 2019-02-28 | 2024-06-04 | 中电建(洛阳)装配式建筑科技有限公司 | Locking beam opening and closing device and locking beam opening and closing method |
-
2019
- 2019-02-28 CN CN201920252619.XU patent/CN209923883U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004887A (en) * | 2019-02-28 | 2019-07-12 | 中电建(洛阳)装配式建筑科技有限公司 | A kind of locking beam closing device and locking beam opening/closing method |
| CN110004887B (en) * | 2019-02-28 | 2024-06-04 | 中电建(洛阳)装配式建筑科技有限公司 | Locking beam opening and closing device and locking beam opening and closing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200110 Effective date of abandoning: 20240604 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200110 Effective date of abandoning: 20240604 |