CN212270855U - High-precision gate opening limiting device - Google Patents
High-precision gate opening limiting device Download PDFInfo
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- CN212270855U CN212270855U CN202020219559.4U CN202020219559U CN212270855U CN 212270855 U CN212270855 U CN 212270855U CN 202020219559 U CN202020219559 U CN 202020219559U CN 212270855 U CN212270855 U CN 212270855U
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Abstract
The utility model provides a high accuracy floodgate door opening degree stop device, include: a housing; the transmission assembly is arranged on the shell; the mounting rack is fixedly mounted on the back of the inner wall of the shell through a fixing center; stop device set up in the inside of mounting bracket, stop device includes the slide pipe, the sliding surface connection of slide pipe has the slider, the both ends on the surface of slide pipe all overlap and are equipped with the installation regulating block. The utility model provides a high accuracy gate aperture stop device has and sets up the installation regulating block through the both ends at the slide pipe, set up limit switch in the both sides of installation regulating block, when needing to adjust slide pipe both ends limit switch's distance, can remove the installation regulating block through pressing the press block of both sides about pressing the installation regulating block, make its avris and corresponding scale mark pair to it, loosen and press the press block and can realize spacing fixedly once more, easy operation is convenient, convenient to the distance between the limit switch of adjustment both sides, be convenient for set for different spacing aperture.
Description
Technical Field
The utility model relates to a gate field especially relates to a high accuracy gate aperture stop device.
Background
The gate is used for closing and opening the control facility of the drainage (discharging) water channel. The gate is divided into a hydraulic hoist gate, a winch hoist gate and the like according to the type of a driving structure. The gate of the winch hoist is used for driving a pulley to lift by winding a steel wire rope by a winding drum so as to achieve the purpose of opening and closing the gate, in order to master the specific lifting position of the gate in real time, and meanwhile, the phenomenon that the steel wire rope is loosened when the gate opening exceeds a set maximum value or falls down to avoid the situation that the gate is lifted upwards in the lifting process is avoided, an opening instrument and a height limiter need to be arranged on the winch hoist, the existing opening instrument adopts an absolute value encoder to collect the number of rotation turns of the winch in real time, and therefore the opening of the gate is analyzed and confirmed.
It rotates to drive the lead screw through gear drive now, thereby it is located the screw block horizontal migration above that to drive, the screw block drives the slider and touches the limit switch who is located both sides, realize the spacing purpose of gate aperture, wherein deal with different spacing opening value, thereby can adjust both sides limit switch position and change both sides and take in the distance for the switch, adjust spacing opening value, nevertheless current limit switch passes through and fixes between screw etc. and the mounting bracket, need unscrew the screw during regulation, less space is not convenient for operate in the mounting bracket inside.
Therefore, it is necessary to provide a high-precision gate opening degree limiting device to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high accuracy floodgate door opening degree stop device has solved and has now need unscrew the screw when adjusting limit switch's position, the problem of the less space of operation of not being convenient for in mounting bracket inside.
For solving the technical problem, the utility model provides a high accuracy floodgate door opening degree stop device, include: a housing;
the transmission assembly is arranged on the shell;
the mounting rack is fixedly mounted on the back surface of the inner wall of the shell through a fixing center;
the limiting device is arranged inside the mounting frame and comprises a sliding tube, the surface of the sliding tube is connected with a sliding block in a sliding mode, mounting adjusting blocks are sleeved at two ends of the surface of the sliding tube, limiting switches are arranged on the front side and the rear side of each mounting adjusting block, sliding grooves are formed in the top and the bottom of the sliding tube, limiting grooves are communicated with the top and the bottom of the inner surface of the sliding tube, transmission rods penetrate through the top and the bottom of each mounting adjusting block, one ends of the transmission rods extend into the limiting grooves, limiting blocks are fixedly connected to one ends of the transmission rods, pressing blocks are fixedly connected to the other ends of the transmission rods, elastic pieces are sleeved on the surfaces of the transmission rods and located between the pressing blocks and the mounting adjusting blocks, and the sliding blocks are in transmission connection with the transmission assembly through connecting blocks;
the absolute value encoder is fixedly installed on one side of the inner wall of the shell through a fixing plate and is in transmission connection with the transmission assembly.
Through setting up the installation regulating block at the both ends of slide pipe, set up limit switch in the both sides of installation regulating block, when needing to adjust slide pipe both ends limit switch's distance, can remove the installation regulating block through pressing down the press block of installation regulating block upper and lower both sides, make its avris and correspond scale line to it time, loosen and press the press block and can realize spacing fixedly once more, easy operation is convenient, conveniently to the distance between the limit switch of adjustment both sides, be convenient for set for different spacing aperture.
Preferably, the stopper is located the inside of spacing groove, spacing groove and the inside intercommunication of spout, the both sides of slider all are provided with touches the briquetting, it has the protection pad to touch one side bonding of briquetting.
The protective pad is arranged on one side of the touch and press block, so that the touch and press block can be in soft contact with the limit switch when touching and pressing the limit switch, the touch and press switch can be protected, and the touch and press switch is not abraded.
Preferably, the surface of the sliding pipe is provided with scale marks, and the aperture of the sliding pipe is larger than the sum of the thicknesses of the two limiting blocks.
Through setting up the scale mark, when the avris of installation regulating block aligns with the scale mark, the stopper corresponds with the position in spacing groove this moment, conveniently adjusts the position of installation regulating block on the slide pipe.
Preferably, the transmission assembly comprises an input shaft, a driving gear is sleeved on one side of the surface of the input shaft, a driven gear is meshed on one side of the driving gear, and a lead screw penetrates through the axis of the driven gear.
Preferably, one end of the screw rod penetrates through the mounting frame and extends to the inside of the mounting frame, and two ends of the screw rod are respectively connected with the inner wall of the mounting frame and one side of the inner wall of the shell in a rotating mode.
Preferably, the surface of the screw rod and the inner thread of the mounting frame are connected with a thread block, and the thread block is fixedly connected with the bottom of the sliding block through a connecting block.
Preferably, one end of the input shaft is fixedly connected with a rotating shaft of the absolute value encoder through a coupler.
Compared with the prior art, the utility model provides a high accuracy gate aperture stop device has following beneficial effect:
the utility model provides a high accuracy gate aperture stop device, both ends through at the slide pipe set up the installation regulating block, set up limit switch in the both sides of installation regulating block, when need adjusting slide pipe both ends limit switch's distance, can remove the installation regulating block through the press block of pressing both sides about the installation regulating block, make its avris and correspond scale line to it, loosen and can realize spacing fixedly once more according to the press block, easy operation is convenient, convenient to the distance between the limit switch of adjustment both sides, be convenient for set for different spacing aperture.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a high-precision gate opening limiting device provided by the present invention;
FIG. 2 is a partial cross-sectional view of the slide shown in FIG. 1;
fig. 3 is a partial top view of the slide shown in fig. 1.
Reference numbers in the figures: 1. the device comprises a shell, 2, a transmission assembly, 21, an input shaft, 22, a driving gear, 23, a driven gear, 24, a screw rod, 25, a thread block, 3, an installation rack, 4, a limiting device, 41, a sliding pipe, 42, a sliding block, 43, a contact block, 44, an installation regulating block, 45, a limiting switch, 46, a transmission rod, 47, a pressing block, 48, an elastic piece, 49, a limiting block, 410, a limiting groove, 411, a sliding groove, 412, a scale mark, 5, a fixing plate, 6, an absolute value encoder, 7 and a connecting block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a high-precision gate opening limiting device according to the present invention; FIG. 2 is a partial cross-sectional view of the slide shown in FIG. 1; fig. 3 is a partial top view of the slide shown in fig. 1. High accuracy floodgate door opening degree stop device includes: a housing 1;
the transmission assembly 2 is arranged on the shell 1;
the mounting frame 3 is fixedly mounted on the back surface of the inner wall of the shell 1 through a fixing center;
the limiting device 4 is arranged inside the mounting frame 3, the limiting device 4 comprises a sliding tube 41, a sliding block 42 is connected to the surface of the sliding tube 41 in a sliding manner, mounting adjusting blocks 44 are sleeved at two ends of the surface of the sliding tube 41, limiting switches 45 are arranged on the front side and the rear side of each of the two mounting adjusting blocks 44, sliding grooves 411 are formed in the top and the bottom of the sliding tube 41, limiting grooves 410 are communicated with the top and the bottom of the inner surface of the sliding tube 41, transmission rods 46 penetrate through the top and the bottom of the mounting adjusting blocks 44, one end of each transmission rod 46 extends into the limiting grooves 410, a limiting block 49 is fixedly connected to one end of each transmission rod 46, a pressing block 47 is fixedly connected to the other end of each transmission rod 46, and an elastic piece 48 is sleeved on the surface of each transmission rod 46 and located between the pressing block 47 and the mounting adjusting block 44, the sliding block 42 is in transmission connection with the transmission assembly 2 through a connecting block 7;
The limiting grooves 410 are provided with a plurality of groups according to the required adjusting limiting opening value.
The limiting switches on the installation adjusting blocks 44 positioned on the two sides of the sliding block 42 are respectively an upper limiting switch and a lower limiting switch, and are respectively a pressing handle type micro switch with the model of Z-15GW22-B, when the limiting switches 45 are pressed, the corresponding limiting switches 45 are closed, the PLC controls the power-off of the gate to realize the purpose of limiting the opening degree, the two upper limiting switches are respectively connected with the PLC and the opening degree instrument, the two lower limiting switches are also simultaneously respectively connected with the PLC and the opening degree instrument, the maximum opening degree determining signal and the minimum opening degree determining signal of the gate are respectively transmitted to the PLC and the opening degree instrument, the PLC controls the power-off of the gate to realize the purpose of limiting the opening degree, and the opening degree instrument can carry out opening degree calibration according to the determining;
the shell 1 is arranged on a hoisting hoist.
The stopper 49 is located the inside of spacing groove 410, spacing groove 410 and the inside intercommunication of spout 411, the both sides of slider 42 all are provided with and touch briquetting 43, the one side bonding of touching briquetting 43 has the protection pad.
The both sides at the front and the back of slider 42 all are provided with and touch briquetting 43, and the quantity that touches briquetting 43 is four, and the material of protection pad is rubber material or silica gel material.
The surface of the sliding tube 41 is provided with scale marks 412, and the aperture of the sliding tube 41 is larger than the sum of the thicknesses of the two limiting blocks 49.
The number of the scale lines corresponds to the number of sets of the spacing grooves 410.
The transmission assembly 2 comprises an input shaft 21, a driving gear 22 is sleeved on one side of the surface of the input shaft 21, a driven gear 23 is meshed on one side of the driving gear 22, and a screw rod 24 penetrates through the axis of the driven gear 23.
One end of the output shaft 21, which is positioned outside the shell 1, is fixedly connected with the output shaft of the winch through a coupler.
One end of the screw rod 24 penetrates through the mounting frame 3 and extends to the inside of the mounting frame 3, and two ends of the screw rod 24 are respectively connected with the inner wall of the mounting frame 3 and one side of the inner wall of the shell 1 in a rotating mode.
The surface both ends of lead screw 24 and all overlap with the mounting bracket 3 department of running through and be equipped with the bearing, the surface of bearing and the installation slot chamber fixed connection of installation 3 and casing 1 inner wall, fixed mode can be for bonding or welding.
The surface of the screw rod 24 and the inner thread of the mounting frame 3 are connected with a thread block 25, and the thread block 25 is fixedly connected with the bottom of the sliding block 42 through a connecting block 7.
One end of the input shaft 21 is fixedly connected with a rotating shaft of the absolute value encoder 6 through a coupler.
When the winch drives the input shaft 21 to rotate clockwise, the input shaft 21 drives the driving gear 22 and a rotating shaft of the absolute value encoder to rotate, the driving gear 22 drives the driven gear 23 to rotate, so as to drive the screw rod 24 to rotate, the screw rod drives the thread block 25 to move towards the left, the mounting adjusting block 42 is driven to move towards the left through the connecting block 7, the touch blocks 43 on the two sides of the mounting adjusting block touch and press the limit switch 45, so as to close the normally closed contact of the limit switch 45, the limit switch 45 sends a maximum opening determining signal to the PLC and the opening instrument, namely, the gate is opened to a maximum opening position, and the PLC controls the gate to be powered off and stop the gate from being opened; similarly, when the input shaft 21 is driven by the winch to rotate anticlockwise, the installation adjusting block 42 moves towards the right side at the moment, and when the limit switch 45 on the right side is touched and pressed, the minimum opening determining signal is sent to the PLC and the opening instrument, namely, the gate is closed to the minimum opening position, and the PLC controls the gate to be powered off to stop the gate from being closed.
The utility model provides a high accuracy floodgate door opening degree stop device's theory of operation as follows:
when the adjustment is needed, the pressing blocks 45 positioned at the upper side and the lower side of the installation adjusting block are pressed, the pressing blocks drive the transmission rod 46 to push the limiting block 49 to move out of the limiting groove 410, and meanwhile, the elastic piece 48 is compressed;
then, the adjusting block 44 can be movably installed, wherein the transmission rod 46 slides along the sliding slot 411, according to the position to be adjusted, one side of the adjusting block 44 is aligned with the scale mark 412 on the surface of the sliding tube 41, and the position of the limiting block 49 is aligned with the position of the limiting groove 410;
loosen the pressing block 47, through the effect of elastic component 48 this moment, promote the pressing block 47 and make stopper 49 enter into spacing groove 410 inside, carry on spacingly to installation regulating block 44, carry on spacingly to limit switch 45 promptly, adjust easy operation convenience.
Compared with the prior art, the utility model provides a high accuracy gate aperture stop device has following beneficial effect:
through setting up installation regulating block 44 at the both ends of slide pipe 41, set up limit switch 45 in the both sides of installation regulating block 44, when the distance of slide pipe 41 both ends limit switch 45 needs to be adjusted, press the installation regulating block through pressing down the press block 47 of installation regulating block 44 upper and lower both sides and can remove the installation regulating block, make its avris with correspond the scale mark to this time, it can realize spacing fixedly once more to loosen press block 47, easy operation is convenient, conveniently to adjusting the distance between the both sides limit switch 45, be convenient for set for different spacing aperture.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a high accuracy floodgate door opening degree stop device which characterized in that includes: a housing;
the transmission assembly is arranged on the shell;
the mounting rack is fixedly mounted on the back surface of the inner wall of the shell through a fixing center;
the limiting device is arranged inside the mounting frame and comprises a sliding tube, the surface of the sliding tube is connected with a sliding block in a sliding mode, mounting adjusting blocks are sleeved at two ends of the surface of the sliding tube, limiting switches are arranged on the front side and the rear side of each mounting adjusting block, sliding grooves are formed in the top and the bottom of the sliding tube, limiting grooves are communicated with the top and the bottom of the inner surface of the sliding tube, transmission rods penetrate through the top and the bottom of each mounting adjusting block, one ends of the transmission rods extend into the limiting grooves, limiting blocks are fixedly connected to one ends of the transmission rods, pressing blocks are fixedly connected to the other ends of the transmission rods, elastic pieces are sleeved on the surfaces of the transmission rods and located between the pressing blocks and the mounting adjusting blocks, and the sliding blocks are in transmission connection with the transmission assembly through connecting blocks;
the absolute value encoder is fixedly installed on one side of the inner wall of the shell through a fixing plate and is in transmission connection with the transmission assembly.
2. The high-precision gate opening limiting device according to claim 1, wherein the limiting block is located inside a limiting groove, the limiting groove is communicated with the inside of the sliding groove, both sides of the sliding block are provided with touch blocks, and one side of each touch block is bonded with a protective pad.
3. The high-precision gate opening limiting device according to claim 1, wherein scale marks are arranged on the surface of the sliding pipe, and the aperture of the sliding pipe is larger than the sum of the thicknesses of the two limiting blocks.
4. The high-precision gate opening limiting device according to claim 1, wherein the transmission assembly comprises an input shaft, a driving gear is sleeved on one side of the surface of the input shaft, a driven gear is meshed on one side of the driving gear, and a screw rod penetrates through the axis of the driven gear.
5. The door opening limiting device according to claim 4, wherein one end of the screw rod penetrates through the mounting frame and extends to the inside of the mounting frame, and two ends of the screw rod are rotatably connected with one side of the inner wall of the mounting frame and one side of the inner wall of the housing respectively.
6. The high-precision gate opening limiting device according to claim 5, wherein a thread block is connected to the surface of the screw rod and located inside the mounting frame in a threaded manner, and the thread block is fixedly connected with the bottom of the sliding block through a connecting block.
7. The opening limiting device of the high-precision brake valve as claimed in claim 4, wherein one end of the input shaft is fixedly connected with a rotating shaft of the absolute value encoder through a coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020219559.4U CN212270855U (en) | 2020-02-27 | 2020-02-27 | High-precision gate opening limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020219559.4U CN212270855U (en) | 2020-02-27 | 2020-02-27 | High-precision gate opening limiting device |
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| Publication Number | Publication Date |
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| CN212270855U true CN212270855U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020219559.4U Active CN212270855U (en) | 2020-02-27 | 2020-02-27 | High-precision gate opening limiting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113512997A (en) * | 2021-09-15 | 2021-10-19 | 成都万江智控科技有限公司 | Screw gate position measurement and control device and gate control device |
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2020
- 2020-02-27 CN CN202020219559.4U patent/CN212270855U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113512997A (en) * | 2021-09-15 | 2021-10-19 | 成都万江智控科技有限公司 | Screw gate position measurement and control device and gate control device |
| CN113512997B (en) * | 2021-09-15 | 2021-12-10 | 成都万江智控科技有限公司 | Screw gate position measurement and control device and gate control device |
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