CN109137845B - Small-hole integral casting type plane fixed wheel overhaul gate - Google Patents
Small-hole integral casting type plane fixed wheel overhaul gate Download PDFInfo
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- CN109137845B CN109137845B CN201810588937.3A CN201810588937A CN109137845B CN 109137845 B CN109137845 B CN 109137845B CN 201810588937 A CN201810588937 A CN 201810588937A CN 109137845 B CN109137845 B CN 109137845B
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- water seal
- fixed wheel
- bottom water
- door body
- hole
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- 238000005266 casting Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 125
- 238000009434 installation Methods 0.000 claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007704 transition Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/52—Equipment preventing vibration of gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
- E02B7/28—Vertical-lift gates with sliding gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
- E02B7/36—Elevating mechanisms for vertical-lift gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/54—Sealings for gates
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
Abstract
The invention discloses a small-aperture integrally-cast plane fixed wheel overhaul gate, which comprises a cast gate body (10); a top water seal installation groove (12) is formed in the downstream surface of the casting door body, the cross section of the top water seal installation groove is rectangular, and a top water seal assembly (30) is arranged in the top water seal installation groove; the top side water seal assembly comprises a steel base sliding block (31) and a rubber pad (32); the steel-based sliding block and the rubber pad are fixed in the top water seal mounting groove through a group of countersunk screws (33); the bottom surface of the casting door body is provided with a bottom water seal installation groove (15), and a bottom water seal assembly (40) is arranged in the bottom water seal installation groove; a bottom water seal (41) in the bottom water seal installation groove is fixed in the bottom water seal installation groove through a bottom water seal pressing plate (42) and a group of countersunk head screws; the bottom water seal is tightly connected with two ends of a rubber pad in the top water seal assembly. The invention can effectively ensure the water stopping effect of the overhaul gate under the ultra-high water head.
Description
Technical Field
The invention relates to a small-aperture integrally-cast plane fixed wheel overhaul gate, and belongs to the technical field of metal structures of hydraulic and hydroelectric engineering.
Background
For the overhaul gate of water and electricity or hydraulic engineering, consider the overhaul needs, set up an overhaul gate in front of it generally, this is to the higher orifice plane overhaul gate of flood peak, gate overall dimension is less, but the water pressure is big, and steel sheet thickness can be thicker, adopts traditional welded gate structure, and the welding space is narrow and small, workman's operation difficulty, and welding quality hardly guarantees, and the manufacturing degree of difficulty is great, and conventional water seal wearing and tearing volume is big, damages easily, and the opening and closing capacity is also great, so prior art still has not enough, remains to be further perfected.
Disclosure of Invention
The invention aims to provide a small-aperture integrally-cast plane fixed wheel access gate, which uses an integral steel-based slide block made of a high-strength composite material as a top water seal, and has small deformation, small abrasion loss and good fatigue failure resistance effect due to the steel-based slide block; and the bottom water seal and the rubber pad at the lower part of the steel-based sliding block are glued into a whole, so that the water stopping effect of the gate is ensured, and the defects in the prior art are overcome.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The invention relates to a small-aperture integrally-cast plane fixed wheel overhaul gate, which comprises a cast gate body; the downstream surface of the cast door body is a plane structure and is used as a panel of the cast door body; a top water seal mounting groove is formed in the downstream face of the panel; the overall shape of the top water seal installation groove is in a shape of a door, the cross section of the top water seal installation groove is rectangular, and a top water seal assembly is installed in the top water seal installation groove; the top side water seal assembly comprises a steel base sliding block and a rubber pad; the steel-based sliding block and the rubber pad are fixed in the top water seal mounting groove through a group of countersunk screws; the bottom surface of the casting door body is provided with a bottom water seal mounting groove, the whole shape of the bottom water seal mounting groove is a straight shape, and the section shape of the bottom water seal mounting groove is a rectangle; a bottom water seal assembly is arranged in the bottom water seal installation groove; the bottom water seal assembly comprises a bottom water seal and a bottom water seal pressing plate; the bottom water seal pressing plate fixes the bottom water seal in the bottom water seal mounting groove through a group of countersunk screws; the bottom water seal is tightly connected with two ends of the rubber pad.
In the small-aperture integral casting type plane fixed wheel overhaul gate, a group of longitudinal beams and cross beams which are vertically and horizontally intersected are arranged on the upstream surface of a panel of the casting gate body to form a group of cavities which are arranged in rows and columns; a triangular through hole which is parallel to the panel and horizontally penetrates through the cast door body is arranged below the bottommost cross beam; the cavity at the upper part of the casting door body is an open cavity with an opening on the upstream surface, and the cavity at the lower part of the casting door body is a closed cavity with a closed upstream surface; the cavity is communicated with the cavity through a longitudinal diversion hole and a transverse diversion hole, and the longitudinal diversion hole penetrates through the top cross beam; the triangular through hole is communicated with the closed cavity through the longitudinal diversion hole; the longitudinal beams positioned at the two sides of the cast door body are respectively provided with an upper fixed wheel mounting hole and a lower fixed wheel mounting hole, and the transverse diversion holes positioned between the two fixed wheel mounting holes penetrate through the longitudinal beams at the two sides of the cast door body; lateral sliding blocks are arranged on the outer sides of the longitudinal beams on two sides of the cast door body; hanging holes are formed in the tops of the longitudinal beams positioned in the middle of the cast door body;
in the small-aperture integral casting type plane fixed wheel overhaul gate, the shape of the side surface of the casting gate body is similar to a vertical right trapezoid, wherein the hypotenuse of the right trapezoid is an arc;
In the small-hole integral casting type plane fixed wheel overhaul gate, a fixed wheel assembly is arranged in the fixed wheel mounting hole; the fixed wheel assembly comprises a fixed wheel; the fixed wheel is fixedly connected with the inner supporting holes and the outer supporting holes on two sides of the fixed wheel mounting hole through the eccentric shaft; one end of the eccentric shaft is provided with a positioning clamping plate, and the outer side of the positioning clamping plate is provided with a screwing head; the shaft body of the eccentric shaft is divided into three sections, two side sections of the shaft body are coaxial, and the middle section and the two side sections of the shaft body are not coaxial and are eccentric sections; the eccentric section is connected with the fixed wheel, one section of the shaft body, which is close to the positioning clamping plate, is connected with the outer supporting hole, and the other section of the shaft body is connected with the inner supporting hole; a sleeve is arranged between the fixed wheel and the middle section of the eccentric shaft, and limiting rings are arranged at two ends of the sleeve.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. The small-aperture plane access gate is characterized by small outline dimension and low transportation difficulty, and adopts an integrated structure formed by casting once; two fixed wheel mounting holes are symmetrically arranged at the upper and lower parts of the longitudinal beams on the two sides of the cast door body in the middle, and fixed wheels are arranged in the fixed wheel mounting holes to serve as main reverse bearings. The lateral sliding block adopts two symmetrical arc convex bodies, the circular diversion holes are formed at each grid among the hanging hole, the panel, the cross beam and the longitudinal beam, the diversion holes are communicated with each other, the casting liquid is good in fluidity, casting is convenient, welding is not needed, manufacturing difficulty is reduced, quality of a plane overhaul gate is ensured, installation between the gate and a side wheel is not needed on site, installation procedures are simplified, and installation efficiency is improved;
2. The bottom edge of the gate adopts an arc transition curved surface body structure, so that the hydraulic condition is good, the vibration of the gate during operation is reduced well, and the safety of the gate operation is ensured;
3. The top side water seal installation groove is symmetrically arranged on the upstream side of the panel, the integral steel-based sliding block with the sliding surface made of high-strength composite material is arranged in the top side water seal installation groove to serve as a top side water seal, a rubber pad is arranged at the bottom of the steel-based sliding block, the upstream side door groove is provided with a door-shaped rail head corresponding to the position of the steel-based sliding block, the steel-based sliding block is contacted with the door-shaped rail head to stop water under the action of water pressure, the deformation of the steel-based sliding block is small, the abrasion loss is small, and the fatigue damage resistance effect is good;
4. The inner side of the outer pressing plate is provided with an upturned pressing plate, so that the lateral direction of the top water seal is fully limited, and the failure caused by overlarge lateral deformation of the top water seal is effectively prevented;
5. a bottom water seal mounting groove is formed in the bottom of the upstream side of the panel, a bottom water seal is mounted in the bottom water seal mounting groove, two ends of the bottom water seal are in close contact with rubber pads at the bottom of the steel-based sliding block, a bottom water seal pressing plate is fastened through countersunk screws, and the bottom water seal and the rubber pads at the lower part of the steel-based sliding block are glued into a whole, so that the water stop effect of the gate is effectively ensured;
6. the inside of the arc transition curved surface body structure is provided with a closed cavity similar to a trapezoid structure and a triangular through hole penetrating through the casting door body so as to facilitate casting;
7. Compared with the traditional main support which adopts a fixed wheel, the fixed wheel of the small-aperture plane fixed wheel overhaul gate adopts a hinged elastic reverse wheel or a sliding block, the fixed wheel is simple in structure and convenient to manufacture, and only the fixed wheel device is assembled once, so that the assembly of the reverse support is not needed, the installation procedure is simplified, and the installation efficiency is improved;
8. the external dimension of the cast door body is slightly 1-5 mm larger than the actual dimension, so that the door body can be machined at the position with the finish machining requirement to meet the precision requirement.
Drawings
FIG. 1 is a schematic view of a downstream face of a cast gate;
FIG. 2 is a schematic view of the upstream face of a cast gate;
FIG. 3 is a cross-sectional view of the vertical gate panel of FIG. 2 taken along the longitudinal pilot hole centerline;
FIG. 4 is a view in the A direction of FIG. 1;
FIG. 5 is a sectional view B-B of FIG. 1;
FIG. 6 is a cross-sectional view of C-C of FIG. 1;
FIG. 7 is a schematic illustration of the connection of a stator assembly to a stator mounting bore;
FIG. 8 is a schematic illustration of the attachment of an access door to a door slot;
fig. 9 is a three-dimensional view of a cast door body.
Reference numerals illustrate: 10-cast door body, 11-panel, 12-top side water seal mounting groove, 15-bottom water seal mounting groove, 16-longitudinal beam, 17-cross beam, 18-triangular through hole, 19-open cavity, 20-closed cavity, 21-longitudinal guide hole, 22-transverse guide hole, 23-fixed wheel mounting hole, 24-lateral slide block, 25-inner support hole, 26-outer support hole, 27-hanging hole, 28-circular arc, 30-top side water seal component, 31-steel base slide block, 32-rubber pad, 33-countersunk head screw, 40-bottom water seal component, 41-bottom water seal, 42-bottom water seal pressing plate, 50-fixed wheel component, 51-fixed wheel, 52-eccentric shaft, 53-positioning clamping plate, 54-screwing head, 55-sleeve, 56-limiting ring, 60-door groove and 61-gate type rail head.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
The invention relates to a small-aperture integrally-cast plane fixed wheel inspection gate, which is shown in figure 1 and comprises a cast gate body 10; the downstream surface of the cast gate 10 is a planar structure as the face plate 11 of the cast gate 10; a top water seal mounting groove 12 is formed in the downstream surface of the panel 11; the overall shape of the top water seal installation groove 12 is in a shape of a door, and a top water seal assembly 30 is installed in the top water seal installation groove 12; as shown in fig. 5, the top side water seal installation groove 12 has a rectangular cross-sectional shape, and the top side water seal assembly 30 includes a steel-based slider 31 and a rubber pad 32; the steel-based sliding block 31 and the rubber pad 32 are fixed in the top water seal mounting groove 12 through a group of countersunk screws 33; as shown in fig. 1, a bottom water seal installation groove 15 is formed in the bottom surface of the cast door body 10, the overall shape of the bottom water seal installation groove 15 is in a straight shape, and a bottom water seal assembly 40 is installed in the bottom water seal installation groove 15; as shown in fig. 6, the cross-sectional shape of the bottom water seal installation groove 15 is rectangular; the bottom water seal assembly 40 comprises a bottom water seal 41 and a bottom water seal platen 42; the bottom water seal pressing plate 42 fixes the bottom water seal 41 in the bottom water seal installation groove 15 through a group of countersunk screws 33; the bottom water seal 41 is tightly connected with two ends of the rubber pad 32 in the top water seal assembly 30.
As shown in fig. 2, the upstream surface of the panel 11 of the cast door body 10 is provided with a group of longitudinal beams 16 and transverse beams 17 which are intersected vertically and horizontally to form a group of cavities arranged in rows and columns; a triangular through hole 18 which is parallel to the panel 11 and horizontally penetrates through the cast door body 10 is arranged below the bottommost cross beam; the cavity at the upper part of the casting door body 10 is an open cavity 19 (rectangular frame shown by thick solid line in fig. 2) with an open upstream face, and the cavity at the lower part of the casting door body 10 is a closed cavity 20 (rectangular frame shown by broken line in fig. 2) with a closed upstream face; the cavity is communicated with the cavity through a longitudinal diversion hole 21 and a transverse diversion hole 22, and the longitudinal diversion hole 21 penetrates through the top cross beam; the triangular through hole 18 is communicated with the closed cavity 20 through a longitudinal flow guide hole 21; the longitudinal beams (also called side beams) positioned on two sides of the cast door body 10 are respectively provided with an upper fixed wheel mounting hole 23 and a lower fixed wheel mounting hole 23, and a transverse diversion hole 22 positioned between the two fixed wheel mounting holes 23 penetrates through the longitudinal beams on two sides of the cast door body 10; lateral sliding blocks 24 are arranged on the outer sides of the longitudinal beams on two sides of the cast door body 10; a hanging hole 27 is arranged at the top of the longitudinal beam 16 positioned in the middle of the cast door body 10;
as shown in fig. 3, the shape of the side of the cast door body 10 approximates a vertical right trapezoid, wherein the hypotenuse of the right trapezoid is a curved transition surface of an arc 28, and the right-angle side and the top side of the right trapezoid are rounded.
As shown in fig. 7, the fixed wheel assembly 50 is installed in the fixed wheel installation hole 23; the fixed wheel assembly 50 includes a fixed wheel 51; the fixed wheel 51 is fixedly connected with the inner supporting holes 25 and the outer supporting holes 26 (the inner supporting holes 25 and the outer supporting holes 26 are shown in fig. 9) on two sides of the fixed wheel mounting hole 23 through eccentric shafts 52; one end of the eccentric shaft 52 is provided with a positioning clamping plate 53, and the outer side of the positioning clamping plate 53 is provided with a screwing head 54; the shaft body of the eccentric shaft 52 is divided into three sections, two side sections of the shaft body are coaxial, and the middle section and the two side sections of the shaft body are not coaxial and are eccentric sections; the eccentric section is connected with the fixed wheel 51, one section of the shaft body, which is close to the positioning clamping plate 53, is connected with the outer supporting hole 26, and the other section of the shaft body is connected with the inner supporting hole 25; a sleeve 55 is arranged between the fixed wheel 51 and the middle section of the eccentric shaft 52, and limiting rings 56 are arranged at two ends of the sleeve 55.
As shown in fig. 8, the cast door body 10 is installed in the door groove 60, and the door groove 60 is provided with a door-shaped rail head 61 corresponding to the position and shape of the steel-based slider 31.
Examples
The small-hole integral casting type plane fixed wheel inspection gate of the embodiment is shown in figures 1-3, and adopts a casting gate body formed by casting once. The cast door body 10 is cast with a top side water seal mounting groove 12, a bottom water seal mounting groove 15, a longitudinal beam 16, a cross beam 17, a triangular through hole 18, an open cavity 19, a closed cavity 20, a longitudinal diversion hole 21, a transverse diversion hole 22, a fixed wheel mounting hole 23, a lateral sliding block 24, a hanging hole 27 and other structures.
As shown in fig. 2, longitudinal beams 16 positioned at two sides of the cast door body 10 are taken as side beams, and two fixed wheel mounting holes 23 are symmetrically arranged at the middle positions of the upper and lower parts of the side beams; the inside of the fixed wheel mounting hole 23 is rounded; as shown in fig. 7, a fixed wheel assembly 50 is provided in the fixed wheel mounting hole 23; the fixed wheel assembly 50 comprises a fixed wheel 51, and the diameter of the fixed wheel 51 is slightly smaller than the width of the door slot 60 and also serves as a main reverse support; as shown in fig. 1, the downstream side of the panel 11 is symmetrically provided with a top water seal installation groove 12 arranged in a gate shape; the overall shape of the top water seal installation groove 12 is shaped like a gate, and the cross-sectional shape of the top water seal installation groove 12 is rectangular as shown in fig. 6. A top water seal assembly 30 is arranged in the top water seal installation groove 12; the top water seal assembly 30 is shown in fig. 5 and comprises a steel-based sliding block 31 and a rubber pad 32; the steel-based sliding block 31 and the rubber pad 32 are fixed in the top water seal installation groove 12 through countersunk screws 33. As shown in fig. 2, transverse guide holes 22 are arranged on the top of the longitudinal beams 16 on two sides of the cast door body 10 and the longitudinal beams 16 between two fixed wheel mounting holes 23; as shown in fig. 7, the fixed wheel 51 is fixed in the fixed wheel mounting hole 23 by a bolt and an eccentric shaft 52; the two sides of the fixed wheel mounting hole 23 are provided with an outer supporting hole 26 and an inner supporting hole 25 for supporting the eccentric shaft 52; screw holes (the screw holes are matched holes) corresponding to the positions of the bolts annularly arranged on the positioning clamping plates 53 on the eccentric shafts 52 are arranged on the outer sides of the outer supporting holes 26; as shown in fig. 2, the longitudinal beam 16 is provided with a transverse flow guiding hole 22; longitudinal guide holes 21 are formed in the cross beams 17 between the longitudinal beams 16 on the two sides of the cast door body 10 and the rest of the longitudinal beams 16; as shown in fig. 8, the lateral sliding block 24 is a circular arc convex body with two symmetrical sides, and the gap between the lateral sliding block 24 and the corresponding gate slot 60 track is 10-20 mm; the bottom edge of the cast door body 10 adopts a circular arc 28 transitional curved surface body structure; the downstream end of the arc 28 transition curved surface body structure is provided with a bottom water seal installation groove 15, and the shape of the bottom water seal installation groove 15 is a rectangular notch as shown in fig. 4; a bottom water seal 41 is arranged in the rectangular notch, and the bottom water seal 41 is fixed in the bottom water seal installation groove 15 through a group of countersunk screws 33 and a bottom water seal pressing plate 42. The bottom water seal platen 42 is of a U-shaped configuration. The bottom surface of the bottom water seal 41 is a protruding arc surface; both ends of the bottom water seal 41 are closely contacted with the bottom of the top water seal 31. As shown in fig. 8, a door groove 60 is provided with a door-shaped rail head 61 corresponding to the position and shape of the steel-based slider 31; as shown in fig. 3 and 9, the inside of the arc 28 transition curved surface body structure is provided with a closed cavity 20 of an approximate trapezoid structure and a triangular through hole 18 penetrating the cast gate body 10.
As shown in fig. 7, the fixed wheel assembly 50 is installed in the fixed wheel installation hole 23; the fixed wheel assembly 50 includes a fixed wheel 51; the fixed wheel 51 is fixedly connected with the inner supporting holes 25 and the outer supporting holes 26 on two sides of the fixed wheel mounting hole 23 through eccentric shafts 52; one end of the eccentric shaft 52 is provided with a positioning clamping plate 53, and the outer side of the positioning clamping plate 53 is provided with a screwing head 54; the shaft body of the eccentric shaft 52 is divided into three sections, two side sections of the shaft body are coaxial, and the middle section and the two side sections of the shaft body are not coaxial and are eccentric sections; the eccentric section is connected with the fixed wheel 51, one section of the shaft body, which is close to the positioning clamping plate 53, is connected with the outer supporting hole 26, and the other section of the shaft body is connected with the inner supporting hole 25; a sleeve 55 is arranged between the fixed wheel 51 and the middle section of the eccentric shaft 52, and limiting rings 56 are arranged at two ends of the sleeve 55.
The access gate of this example has the overall dimension little, the not big characteristics of transportation degree of difficulty. And the cross beam and the longitudinal beam are provided with diversion holes, so that the casting liquid has good fluidity and is convenient for casting. The gate of this example need not the welding, and the manufacturing degree of difficulty obtains reducing, and gate quality obtains guaranteeing. The installation between the gate and the side wheel is not needed during the on-site installation, so that the installation procedure is simplified, and the installation efficiency is improved; the bottom edge of the gate adopts an arc transition curved surface body structure, so that the hydraulic condition is good, the vibration of the gate during operation is reduced well, and the safety of the gate operation is ensured; the top side water seal adopts steel base slider 31 to through rubber pad and cast door body coupling, rubber pad and bottom water seal both ends in close contact, can effectively guarantee the stagnant water effect of special high water head lower overhaul gate.
Claims (2)
1. A small-aperture integrally cast type plane fixed wheel access gate comprises a cast gate body (10); the method is characterized in that: the downstream surface of the cast door body (10) is a plane structure and is used as a panel (11) of the cast door body (10); a top water seal installation groove (12) is arranged on the downstream surface of the panel (11); the overall shape of the top water seal installation groove (12) is in a shape of a door, a top water seal assembly (30) is installed in the top water seal installation groove (12), and the cross section of the top water seal installation groove (12) is rectangular; the top side water seal assembly (30) comprises a steel base sliding block (31) and a rubber pad (32); the steel-based sliding block (31) and the rubber pad (32) are fixed in the top water seal mounting groove (12) through a group of countersunk screws (33); the bottom surface of the casting door body (10) is provided with a bottom water seal installation groove (15), and a bottom water seal assembly (40) is arranged in the bottom water seal installation groove (15); the overall shape of the bottom water seal mounting groove (15) is a straight shape, and the section shape of the bottom water seal mounting groove (15) is a rectangle; the bottom water seal assembly (40) comprises a bottom water seal (41) and a bottom water seal pressing plate (42); the bottom water seal pressing plate (42) fixes the bottom water seal (41) in the bottom water seal installation groove (15) through a group of countersunk screws (33); the bottom water seal (41) is tightly connected with two ends of a rubber pad (32) in the top water seal assembly (30); the upstream surface of the panel (11) of the casting door body (10) is provided with a group of longitudinal beams (16) and transverse beams (17) which are intersected vertically and horizontally to form a group of cavities which are arranged in rows and columns; a triangular through hole (18) which is parallel to the panel (11) and horizontally penetrates through the cast door body (10) is arranged below the bottommost cross beam; the cavity at the upper part of the casting door body (10) is an open cavity (19) with an opening on the upstream surface, and the cavity at the lower part of the casting door body (10) is a closed cavity (20) with a closed upstream surface; the cavity is communicated with the cavity through a longitudinal diversion hole (21) and a transverse diversion hole (22), and the longitudinal diversion hole (21) penetrates through the top cross beam; the triangular through hole (18) is communicated with the closed cavity (20) through a longitudinal diversion hole (21); the longitudinal beams positioned at two sides of the casting door body (10) are respectively provided with an upper fixed wheel mounting hole (23) and a lower fixed wheel mounting hole (23), and a transverse diversion hole (22) positioned between the two fixed wheel mounting holes (23) penetrates through the longitudinal beams at two sides of the casting door body (10); lateral sliding blocks (24) are arranged on the outer sides of the longitudinal beams on two sides of the casting door body (10); a hanging hole (27) is arranged at the top of the longitudinal beam (16) positioned in the middle of the casting door body (10); the shape of the side surface of the cast door body (10) is similar to a vertical right trapezoid, wherein the hypotenuse of the right trapezoid is a circular arc (28) transitional curved surface, and the right-angle side and the top side of the right trapezoid are rounded.
2. The small-bore integrally cast flat fixed wheel access gate of claim 1, wherein: a fixed wheel assembly (50) is arranged in the fixed wheel mounting hole (23); the fixed wheel assembly (50) comprises a fixed wheel (51); the fixed wheel (51) is fixedly connected with the inner supporting holes (25) and the outer supporting holes (26) at two sides of the fixed wheel mounting hole (23) through an eccentric shaft (52); one end of the eccentric shaft (52) is provided with a positioning clamping plate (53), and the outer side of the positioning clamping plate (53) is provided with a screwing head (54); the shaft body of the eccentric shaft (52) is divided into three sections, two side sections of the shaft body are coaxial, and the middle section and the two side sections of the shaft body are not coaxial and are eccentric sections; the eccentric section is connected with the fixed wheel (51), one section of the shaft body, which is close to the positioning clamping plate (53), is connected with the outer supporting hole (26), and the other section of the shaft body is connected with the inner supporting hole (25); a sleeve (55) is arranged between the fixed wheel (51) and the middle section of the eccentric shaft (52), and limiting rings (56) are arranged at two ends of the sleeve (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810588937.3A CN109137845B (en) | 2018-06-08 | 2018-06-08 | Small-hole integral casting type plane fixed wheel overhaul gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810588937.3A CN109137845B (en) | 2018-06-08 | 2018-06-08 | Small-hole integral casting type plane fixed wheel overhaul gate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109137845A CN109137845A (en) | 2019-01-04 |
| CN109137845B true CN109137845B (en) | 2024-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810588937.3A Active CN109137845B (en) | 2018-06-08 | 2018-06-08 | Small-hole integral casting type plane fixed wheel overhaul gate |
Country Status (1)
| Country | Link |
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| CN (1) | CN109137845B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115110484B (en) * | 2022-07-20 | 2024-03-22 | 中国电建集团北京勘测设计研究院有限公司 | Sliding block mounting fixing seat and method for plane gate/trash rack |
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