CN211774498U - Hydraulic engineering desilting tube head - Google Patents
Hydraulic engineering desilting tube head Download PDFInfo
- Publication number
- CN211774498U CN211774498U CN202020102065.8U CN202020102065U CN211774498U CN 211774498 U CN211774498 U CN 211774498U CN 202020102065 U CN202020102065 U CN 202020102065U CN 211774498 U CN211774498 U CN 211774498U
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- rotating sleeve
- wall
- sleeve pipe
- scraper blade
- gear
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 description 11
- 239000007921 spray Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model relates to a hydraulic engineering desilting tube head, it includes inside hollow bullet type casing, the casing is thicker one end and has set firmly the connecting pipe that is used for external water pipe, it is connected with the rotating sleeve to rotate on the connecting pipe, the inside and the inside intercommunication of casing of rotating sleeve, rotating sleeve keeps away from and is provided with the propulsion shower nozzle on the lateral wall of casing point portion, the propulsion shower nozzle includes the nozzle, the propulsion shower nozzle is provided with a plurality ofly, be provided with the scraper blade that is used for clearing up the pipeline inner wall on rotating sleeve's the outer wall, the scraper blade is provided with a plurality ofly along the even interval. High-pressure rivers are outwards erupted to a plurality of nozzles in the rotating sleeve, assault on the pipe inner wall, and its high-pressure rivers reaction force promotes the whole forward movement of shower nozzle simultaneously, drives the one-way rotation of rotating sleeve to utilize the scraper blade on the rotating sleeve constantly to strike off the clearance work to the stubborn scale deposit on the pipe inner wall, and then make the pipe inner wall clearance more thorough, the utility model discloses the effect of the desilting effect that improves the desilting shower nozzle has.
Description
Technical Field
The utility model belongs to the technical field of the technique of municipal administration desilting device and specifically relates to a hydraulic engineering desilting tube head is related to.
Background
Dredging in hydraulic engineering generally refers to dredging in river channels, reservoirs, ponds and the like by blowing and stirring sludge deposited at the river bottom into turbid water through mechanical equipment and flowing away along with river water. However, the existing hydraulic engineering dredging device has many problems, particularly, the dredging pipe head of the hydraulic engineering often has many problems in the dredging process.
Chinese patent with publication number CN206916927U discloses a high pressure water spray head for pipeline dredging, including bullet type casing, the detachable closing cap is installed to the thicker one end of casing, closing cap central point puts and is equipped with the inlet tube, be equipped with the cleaning head mount table that a plurality of used inlet tube arranged as central ring around the inlet tube, be equipped with surge bin and reservoir in the casing, casing outside fixed mounting has a plurality of propulsion piece, be equipped with belt cleaning device and cleaning head adjusting device in the surge bin, belt cleaning device is including installing the cleaning head in the cleaning head mount table.
The above prior art solutions have the following drawbacks: because long-term accumulation silt in the pipeline makes the scale deposit serious on the pipeline inner wall easily, only relies on rivers to strike and can appear the incomplete condition of scale removal to the pipeline washing, for the scale deposit once more in the pipeline leaves probably, consequently needs a device that can carry out the brute force with the scale deposit on the pipeline inner wall and clear away.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide a better hydraulic engineering desilting tube head of desilting effect.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a dredging tube head for hydraulic engineering comprises a hollow bullet shell, wherein a connecting pipe for an external water pipe is fixedly arranged at the thicker end of the shell, a rotating sleeve is rotatably connected onto the connecting pipe, a water outlet channel communicated with the interior of the shell is formed in the contact surface of the shell and the rotating sleeve, a water inlet channel communicated with the interior of the shell is formed in the contact surface of the rotating sleeve and the shell along the circumferential direction of the shell, the water inlet channel is communicated with the water outlet channel, a propelling nozzle is arranged on the side wall, away from the tip of the shell, of the rotating sleeve and comprises a nozzle, the axis of the nozzle is different from the axis of the shell, the axis of the nozzle and the projected included angle of the axis of the shell on the horizontal planes parallel to the axis of the nozzle and the shell are acute angles, the propelling nozzle is provided with a plurality of tubes along the circumferential direction of the rotating sleeve, and is close to one end of the rotating sleeve and communicated, the outer wall of the rotating sleeve is provided with a plurality of scrapers for cleaning the inner wall of the pipeline, and the scrapers are uniformly arranged along the circumferential direction of the rotating sleeve at intervals.
Through adopting above-mentioned technical scheme, operating personnel is when wasing sewer line, be connected fixedly with the connecting pipe on water pipe and the casing earlier, then arrange the casing in sewer line, and let in the water under high pressure to the water pipe in, the water under high pressure is behind the casing inner space, pass through and rotate the sleeve pipe in the water inlet passage inflow and rotate the sleeve pipe, outwards erupt high-pressure rivers from the nozzle at last, outwards erupt a plurality of high-pressure rivers of skew casing axis around the casing axis simultaneously, strike on the pipeline inner wall, its high-pressure rivers reaction force promotes the shower nozzle whole and moves forward simultaneously, drive and rotate sleeve pipe unidirectional rotation, thereby make the scraper blade on the rotation sleeve pipe outer wall constantly strike off the clearance work to the stubborn scale deposit on the pipeline inner wall, and then make the pipeline inner wall clearance more thorough, improve the desilting effect of desilting shower nozzle.
The present invention may be further configured in a preferred embodiment as: the utility model discloses a shower nozzle, including the rotation sleeve pipe, be provided with on the rotation sleeve pipe and be used for ordering about the synchronous syntropy rotatory drive assembly of a plurality of shower nozzles, drive assembly includes first gear and ring gear, the ring gear coaxial rotation is connected on the terminal surface that the rotation sleeve pipe has the nozzle, first gear is fixed to be cup jointed on the nozzle, the axis of rotation that impels the shower nozzle is collinear with the axis of first gear, first gear and ring gear meshing, be provided with on the rotation sleeve pipe and be used for restricting ring gear pivoted stop gear.
Through adopting above-mentioned technical scheme, operating personnel is according to the wall atress intensity of taking the desilting pipeline, and the scale deposit condition in the pipeline, before putting into the pipeline with the shower nozzle, untie stop gear earlier, then rotatory ring gear, through meshing between ring gear and each first gear, it rotates in step to drive a plurality of nozzles on the rotating sleeve, and then adjust the nozzle orientation, in order to change nozzle spun high-pressure rivers and bring the shower nozzle reaction force at the tangential component of rotating sleeve, thereby adjust the shower nozzle and put into the pipeline after, the scraper blade is to the dynamics of striking off of scale deposit on the pipeline inner wall, play the guard action to the pipeline, and play better scavenging action to stubborn dirt.
The present invention may be further configured in a preferred embodiment as: stop gear includes second gear and first bolt, rotate and seted up first screw hole along self axial on the terminal surface that the sleeve pipe has the nozzle, first bolt and first screw hole threaded connection, the coaxial rotation cover of second gear is established on first bolt, rotate and seted up the jack along first screw hole axial on the terminal surface that the sleeve pipe has first screw hole, the jack is provided with a plurality ofly along the even interval of first screw hole axial, the second gear is close to and rotates sheathed tube terminal surface and set firmly the inserted bar with jack looks adaptation.
By adopting the technical scheme, when the gear ring is limited by an operator to rotate, the operator only needs to screw the first bolt on the rotating sleeve, and in the screwing process, the inserted bar on the second gear is inserted into the insertion hole on the rotating pipe.
The present invention may be further configured in a preferred embodiment as: the scraper blade articulates on rotating the sheathed tube outer wall, the articulated shaft of scraper blade is on a parallel with and rotates sheathed tube axis, the scraper blade is the arc, the concave surface ability and the laminating of rotating the sheathed tube outer wall of scraper blade, it is used for restricting scraper blade pivoted stop device to be provided with on the rotating sleeve pipe.
Through adopting above-mentioned technical scheme, make the scraper blade articulate on rotating the sleeve pipe, the scheduling of scraper blade upset is adjusted to the operating personnel accessible to use stop device to fix the scraper blade after adjusting, thereby adjust the scraper blade and rotate the holistic biggest rotation diameter of pipeline, in order to be applicable to the pipeline clearance of different diameter sizes, improve desilting shower nozzle application scope.
The present invention may be further configured in a preferred embodiment as: the limiting device comprises a sliding sheet, a second bolt and a sliding rod, the sliding sheet is arranged on the outer wall of the rotating sleeve in a sliding manner along the circumferential direction of the rotating sleeve, the sliding sheet is provided with a through hole along the radial direction of the rotating sleeve, the outer wall of the rotating sleeve is provided with a second threaded hole matched with the through hole and the second bolt, a plurality of second threaded holes are uniformly arranged along the circumferential direction of the rotating sleeve at intervals, the second bolts penetrate through the through holes to be in threaded connection with the second threaded holes, the sliding rod is fixedly arranged on the sliding sheet, the axis of the sliding rod is parallel to the hinge axis of the scraping plate, an arc-shaped chute is arranged in the scraper, the sliding rod is arranged in the arc-shaped chute in a sliding way, when the inner wall of the scraper is attached to the outer wall of the rotating sleeve, the linear distance between the bottom wall of the arc-shaped sliding groove close to the movable end of the scraper and the outer wall of the rotating sleeve is greater than the linear distance between the bottom wall of the arc-shaped sliding groove close to the hinged shaft of the scraper and the outer wall of the rotating sleeve.
Through adopting above-mentioned technical scheme, operating personnel when the upset scraper blade, untie the second bolt earlier, then rotate the slide along rotating sheathed tube axis, be close to or keep away from to the articulated shaft position of scraper blade through promoting the slide, and slide in the arc spout on the scraper blade inner wall through the slide bar, and then with the expansion end jack-up of scraper blade, open the angle with the regulation scraper blade, again rotate suitable second screw hole on the sleeve pipe with second bolt threaded connection after scraper blade angle modulation is suitable at last, can be fast fixed with the scraper blade, and convenient operation.
The present invention may be further configured in a preferred embodiment as: and a plurality of scrapers are fixedly arranged on the outer wall of the scraper at intervals.
Through adopting above-mentioned technical scheme, a plurality of scrapers on the scraper blade can all guarantee to have the contact of scraper edge of a knife on the pipeline inner wall when the scraper blade rotates to different angles to guarantee that the desilting shower nozzle has the desilting scale removal effect all the time.
The present invention may be further configured in a preferred embodiment as: the scraper is made of stainless steel.
Through adopting above-mentioned technical scheme, use stainless steel as the scraper, when guaranteeing scraper intensity, toughness, effective wall scraper is by corrosion such as sewage in the pipeline, improves scraper life.
The present invention may be further configured in a preferred embodiment as: the tip of the shell is provided with a plurality of inclined water outlet holes, the inclined water outlet holes are uniformly arranged along the circumferential direction of the shell at intervals, and the axis extension lines of the inclined water outlet holes and the axis extension lines of the shell are intersected in front of the tip of the shell.
Through adopting above-mentioned technical scheme, when the desilting shower nozzle dredges the during operation in the pipeline, high-pressure rivers are erupted to the place ahead of shower nozzle direction of advance to a plurality of slope outlet openings that the casing point portion, and the place ahead is involved in a bit to play the concentrated cutting impact effect to the place ahead plug, can effectively break the plug, accelerate desilting efficiency.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the nozzles in the rotating sleeve eject high-pressure water flow outwards to impact the inner wall of the pipeline, the reaction force of the high-pressure water flow pushes the whole spray head to move forwards, meanwhile, the rotating sleeve is driven to rotate in a single direction, and a scraper on the outer wall of the rotating sleeve is used for continuously scraping and cleaning stubborn scales on the inner wall of the pipeline, so that the inner wall of the pipeline is cleaned more thoroughly, and the dredging effect of the dredging spray head is improved;
2. an operator drives the plurality of nozzles on the rotating sleeve to synchronously rotate by rotating the gear ring, so that the orientation of the nozzles is adjusted, the component force of the reaction force of the high-pressure water flow sprayed by the nozzles on the spray head in the tangential direction of the rotating sleeve is changed, the scraping force of the scraper on scale on the inner wall of the pipeline is adjusted, the pipeline is protected, and a better cleaning effect on stubborn dirt can be achieved;
3. make the scraper blade articulate on rotating the sleeve pipe, the scheduling of scraper blade upset is adjusted to the operating personnel accessible to use stop device to fix the scraper blade after adjusting, thereby adjust the scraper blade and rotate the holistic biggest rotation diameter of pipeline, in order to be applicable to the pipeline clearance of different diameter sizes, improve desilting shower nozzle application scope.
Drawings
Fig. 1 is a schematic plan sectional structure of the whole of the present invention.
Fig. 2 is an explosion structure schematic diagram of the limiting mechanism of the present invention.
Fig. 3 is a schematic view of the overall structure at another viewing angle of the present invention.
In the figure, 1, a housing; 11. a connecting pipe; 12. a water outlet channel; 2. rotating the sleeve; 21. a water inlet channel; 3. propelling the spray head; 31. a nozzle; 4. a squeegee; 5. a drive assembly; 51. a first gear; 52. a ring gear; 6. a limiting mechanism; 61. a second gear; 62. a first bolt; 63. a first threaded hole; 64. a jack; 65. inserting a rod; 7. a limiting device; 71. a slide sheet; 72. a second bolt; 73. a slide bar; 74. perforating; 75. a second threaded hole; 76. an arc-shaped chute; 8. a scraper; 9. and the water outlet hole is inclined.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a hydraulic engineering desilting tube head, including casing 1, casing 1 is warhead shape, inside cavity, and one end is sharp portion, and the coaxial integrative welding of the other end has connecting pipe 11, connecting pipe 11 and the inside intercommunication of casing 1 for external inlet tube. Inclined water outlets 9 are further formed in the pointed portions of the shell 1, the axis extension lines of the inclined water outlets 9 and the axis extension lines of the shell 1 intersect in the front of the pointed portions of the shell 1, and the inclined water outlets 9 are arranged around the circumference of the shell 1 at four uniform intervals around the axis of the shell 1.
Referring to fig. 1 and 2, the tail of the casing 1 is coaxially and rotatably provided with a rotating sleeve 2, the rotating sleeve 2 is hollow inside, the tail of the casing 1 is provided with a plurality of water outlet channels 12, the end part of the rotating sleeve 2 close to the tip of the casing 1 is provided with an annular water inlet channel 21 along the circumferential direction, and the water outlet channel 12 is communicated with the water inlet channel 21. The other end of the rotating sleeve 2 is provided with four propelling nozzles 3 at intervals around the axis of the rotating sleeve, the tail ends of the propelling nozzles 3 are rotatably connected to the rotating sleeve 2, and the rotating axis of the propelling nozzles is parallel to the axis of the rotating sleeve 2. The propulsion nozzle 3 comprises a nozzle 31, the axis of the nozzle 31 and the projection of the axis of the housing 1 on a horizontal plane parallel to the two being at an acute angle.
Referring to fig. 2, a driving assembly 5 for simultaneously driving the four nozzles to synchronously rotate in the same direction is disposed on the rotary sleeve 2, and in this embodiment, the driving assembly 5 includes a first gear 51 and a gear ring 52. The gear ring 52 is an inner gear ring 52, a first gear 51 is coaxially and rotatably connected with the rotating sleeve 2 and fixedly connected to the propulsion nozzle 3, the axis of the first gear is collinear with the rotating axis of the propulsion nozzle 3, and the first gear 51 is meshed with the gear ring 52. The rotating sleeve 2 is further provided with a limiting mechanism 6 for limiting the rotation of the gear ring 52, and the limiting mechanism comprises a second gear 61 and a first bolt 62. The end face of the rotating sleeve 2 with the gear ring 52 is provided with a first threaded hole 63 parallel to the axis of the rotating sleeve 2 and matched with the first bolt 62, the second gear 61 is coaxially provided with a through hole, and the second gear 61 is coaxially sleeved at one end of the first bolt 62 close to the head in a rotating way. When the first bolt 62 is screwed into the first screw hole 63, the second gear 61 abuts on the rotating sleeve 2. The second gear 61 is close to the eccentric welding on the wall of rotating sleeve 2 and has inserted bar 65, and rotating sleeve 2 is provided with on the terminal surface of first screw hole 63, offers the jack 64 that can supply inserted bar 65 to insert, and jack 64 is provided with six along the even interval of circumference of first screw hole 63.
Referring to fig. 2 and 3, the outer wall of the rotating sleeve 2 is hinged with a scraper 4, the scraper 4 is an arc-shaped plate, the concave surface of the scraper can be attached to the outer wall of the rotating sleeve 2, and the hinged shaft of the scraper is parallel to the axis of the rotating sleeve 2. The convex surface of scraper blade 4 is the arc, and when scraper blade 4 laminating was on rotating sleeve pipe 2, the convex surface of scraper blade 4 was close to the one end of self articulated shaft and rotated the linear distance between the axis of sleeve pipe 2, was less than the linear distance between the scraper blade 4 other end and the axis of rotating sleeve pipe 2. The convex surface of doctor-bar is gone up integrative welding and is had stainless steel's scraper 8, and scraper 8 is provided with seven along the length direction interval of 4 convex surfaces of scraper blade.
Referring to fig. 2 and 3, the rotating sleeve 2 is further provided with a limiting device 7 for limiting the rotation of the scraper 4, and the limiting device 7 comprises a sliding sheet 71, a second bolt 72 and a sliding rod 73. The outer wall of the rotating sleeve 2 is provided with two sliding grooves along the circumferential direction, the sliding grooves are arranged in parallel, the sliding pieces 71 are arc-shaped pieces attached to the outer wall of the rotating sleeve 2, and sliding blocks embedded in the sliding grooves are welded on the sliding pieces close to the concave surface of the rotating sleeve 2. The sliding piece 71 is slidably mounted on the outer wall of the rotating sleeve 2 along the circumferential direction of the rotating sleeve 2. Second screw hole 75 has radially seted up along self on the outer wall of rotating sleeve pipe 2, and second screw hole 75 rotates sleeve pipe 2's circumference, and the even interval of level is equipped with eight. The slide plate 71 is provided with a through hole 74 having an axis on the same horizontal plane as the axes of the plurality of second screw holes 75, and the second bolt 72 is screwed into the second screw hole 75 through the through hole 74. The sliding rod 73 is integrally welded and fixed through a connecting plate, an arc sliding groove 76 with a T-shaped section is formed in the concave surface of the scraper 4, the arc sliding groove 76 is formed in the length direction of the convex surface of the scraper 4, and the sliding rod 73 is in sliding butt joint with the bottom wall of the arc sliding groove 76.
The implementation principle of the embodiment is as follows: when cleaning the sewer pipeline, an operator firstly connects and fixes the water pipe and the connecting pipe 11 on the shell 1, and then places the shell 1 in the sewer pipeline. Then, high pressure water is introduced into the water pipe, and after passing through the inner space of the housing 1, the high pressure water flows into the rotary sleeve 2 through the water outlet passage 12 and the water inlet passage 21 on the rotary sleeve 2, and finally, high pressure water flow is jetted outward from the nozzle 31. Meanwhile, high-pressure water flow is jetted outwards by a plurality of nozzles 31 which are peripherally arranged around the axis of the shell 1 and impact on the inner wall of the pipeline, and the reaction force of the high-pressure water flow pushes the whole sprayer to move forwards. Meanwhile, the reaction force of the high-pressure water flow drives the rotating sleeve 2 to rotate in a single direction under the tangential stress of the rotating sleeve 2, so that the scraper 4 on the outer wall of the rotating sleeve 2 continuously scrapes and cleans stubborn scales on the inner wall of the pipeline, and the cleaning of the inner wall of the pipeline is more thorough. The dredging effect of the dredging nozzle is improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a hydraulic engineering desilting tube head, includes inside hollow bullet head type casing (1), its characterized in that: the casing (1) thick one end sets firmly connecting pipe (11) that is used for external water pipe, it is connected with rotation sleeve pipe (2) to rotate on connecting pipe (11), set up on casing (1) and the contact surface of rotation sleeve pipe (2) contact with self exhalant canal (12) of inside intercommunication, set up inhalant canal (21) with self inside intercommunication along self circumference on the contact surface of rotation sleeve pipe (2) and casing (1) contact, inhalant canal (21) and exhalant canal (12) intercommunication, it is provided with on the lateral wall of casing (1) point portion to rotate sleeve pipe (2), impel shower nozzle (3) and include nozzle (31), the axis of nozzle (31) and the axis antarafacial of casing (1), the axis of nozzle (31) with the axis of casing (1) is the contained angle of the projection on the horizontal plane that is on a parallel with both, impel shower nozzle (3) and be provided with a plurality ofly along rotating sleeve pipe (2) circumference even interval, nozzle (31) are close to the one end and the inside intercommunication of rotating sleeve pipe (2), be provided with scraper blade (4) that are used for clearing up pipeline inner wall on the outer wall of rotating sleeve pipe (2), scraper blade (4) are provided with a plurality ofly along the circumference even interval of rotating sleeve pipe (2).
2. A hydraulic engineering desilting tube head according to claim 1, characterized in that: rotate and be provided with drive assembly (5) that are used for driving about the synchronous syntropy of a plurality of shower nozzles on sleeve (2), drive assembly (5) include first gear (51) and ring gear (52), ring gear (52) coaxial rotation is connected on rotating sleeve (2) and having the terminal surface of nozzle (31), first gear (51) are fixed to be cup jointed on nozzle (31), the axis of rotation that impels shower nozzle (3) and the axis collineation of first gear (51), first gear (51) and ring gear (52) meshing, be provided with on rotating sleeve (2) and be used for restricting ring gear (52) pivoted stop gear (6).
3. A hydraulic engineering desilting tube head according to claim 2, characterized in that: stop gear (6) include second gear (61) and first bolt (62), first screw hole (63) have been seted up along self axial on the terminal surface that rotation sleeve pipe (2) have nozzle (31), first bolt (62) and first screw hole (63) threaded connection, second gear (61) coaxial rotation cover is established on first bolt (62), rotation sleeve pipe (2) have on the terminal surface of first screw hole (63) along first screw hole (63) axial seted up jack (64), jack (64) are provided with a plurality ofly along first screw hole (63) axial uniform interval, second gear (61) are close to the terminal surface that rotates sleeve pipe (2) and set firmly inserted bar (65) with jack (64) looks adaptation.
4. A hydraulic engineering desilting tube head according to claim 1, characterized in that: scraper blade (4) articulate on the outer wall of rotating sleeve pipe (2), the articulated shaft of scraper blade (4) is on a parallel with the axis of rotating sleeve pipe (2), scraper blade (4) are the arc, the concave surface of scraper blade (4) can laminate with the outer wall of rotating sleeve pipe (2), be provided with on rotating sleeve pipe (2) and be used for restricting scraper blade (4) pivoted stop device (7).
5. A hydraulic engineering desilting tube head according to claim 4, characterized in that: the limiting device (7) comprises a sliding sheet (71), a second bolt (72) and a sliding rod (73), the sliding sheet (71) is arranged on the outer wall of the rotating sleeve (2) in a sliding mode along the circumferential direction of the rotating sleeve (2), a plurality of through holes (74) are formed in the sliding sheet (71) along the radial direction of the rotating sleeve (2), second threaded holes (75) matched with the through holes (74) and the second bolt (72) are formed in the outer wall of the rotating sleeve (2), the second threaded holes (75) are uniformly arranged along the circumferential direction of the rotating sleeve at intervals, the second bolt (72) penetrates through the through holes (74) and is in threaded connection with the second threaded holes (75), the sliding rod (73) is fixedly arranged on the sliding sheet (71), the axis of the sliding rod (73) is parallel to the hinge axis of the scraper (4), and an arc-shaped sliding groove (76) is formed in the scraper (4), slide bar (73) slide and set up in arc spout (76), when the inner wall of scraper blade (4) and the outer wall laminating of rotating sleeve pipe (2), arc spout (76) are close to the diapire of scraper blade (4) expansion end and are greater than arc spout (76) and are close to the diapire of scraper blade (4) articulated shaft and the straight line distance of rotating sleeve pipe (2) outer wall with the straight line distance of rotating sleeve pipe (2) outer wall.
6. A hydraulic engineering desilting tube head according to claim 5, characterized in that: and a plurality of scrapers (8) are fixedly arranged on the outer wall of the scraper (4) at intervals.
7. A hydraulic engineering desilting tube head according to claim 6, characterized in that: the scraper (8) is made of stainless steel.
8. A hydraulic engineering desilting tube head according to claim 1, characterized in that: the tip of the shell (1) is provided with a plurality of inclined water outlet holes (9), the inclined water outlet holes (9) are uniformly arranged along the circumferential direction of the shell (1) at intervals, and the axis extension lines of the inclined water outlet holes (9) and the axis extension line of the shell (1) are intersected in front of the tip of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020102065.8U CN211774498U (en) | 2020-01-16 | 2020-01-16 | Hydraulic engineering desilting tube head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020102065.8U CN211774498U (en) | 2020-01-16 | 2020-01-16 | Hydraulic engineering desilting tube head |
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| CN211774498U true CN211774498U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020102065.8U Expired - Fee Related CN211774498U (en) | 2020-01-16 | 2020-01-16 | Hydraulic engineering desilting tube head |
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