CN221193210U - Rear trestle structure of high arch dam - Google Patents
Rear trestle structure of high arch dam Download PDFInfo
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- CN221193210U CN221193210U CN202323164859.XU CN202323164859U CN221193210U CN 221193210 U CN221193210 U CN 221193210U CN 202323164859 U CN202323164859 U CN 202323164859U CN 221193210 U CN221193210 U CN 221193210U
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- 238000004873 anchoring Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 238000003466 welding Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 25
- 238000000034 method Methods 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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Abstract
The utility model discloses a rear trestle structure of a high arch dam, which comprises a supporting system, a trestle channel system and a rainproof system, wherein the supporting system is arranged on the trestle channel system; the support system is fixed on the concrete of the dam body elevation of the high arch dam and consists of a plurality of groups of triangular support systems fixed on the concrete elevation and longitudinal connecting beams connected and fixed between the triangular support systems; the trestle channel system is arranged on the supporting system and comprises a channel and a guardrail; the rainproof system is supported and arranged on the guardrail of the trestle channel system. The utility model solves the construction platform problems of high-altitude operation such as joint grouting after the dam, dam defect treatment and the like, and reduces the safety risk coefficient of the high-altitude operation; the whole tripod-type support system is arranged at the bottom, the embedded part is used for connection and anchoring, and the intelligent temperature control system can be arranged on the structural surface of the trestle during pouring, so that the temperature control system is closer to a working surface, the construction process becomes simple, the cost is reduced, the rain and moisture can be well prevented, and safety accidents such as electric shock are avoided.
Description
Technical Field
The utility model belongs to the technical field of construction engineering, in particular to the technical field of construction of a high arch dam after water and electricity construction, and particularly relates to a rear trestle structure of the high arch dam.
Background
In hydropower station construction, more and more water retaining dams are selected from a concrete dam type, and an arch dam is a typical concrete dam type, so that the requirements of safe civilized construction are improved, and the method is an important ring in safe civilized construction engineering behind a high arch dam. The method has important significance for joint grouting behind the high arch dam, intelligent temperature control system construction, personnel passing safety, material supply and dam defect treatment.
The method is characterized in that the method is positioned behind a concrete high arch dam, the risk level is high, the construction difficulty is extremely high, the high-altitude operation is involved in joint grouting behind the dam and dam defect treatment, and the existing safety protection measures are insufficient to meet the requirements of safe civilized construction; meanwhile, the transportation and supply of construction materials behind the dam, the passing of personnel and the placement of part of small construction machinery are difficult to meet the requirements. Aiming at the situation, a post-dam trestle structure which is convenient to install, reliable and simple to use is developed, and the post-dam trestle structure becomes a task which needs to be completed in the current hydropower station construction and has important significance.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a rear trestle structure of a high arch dam, which can realize rapid and convenient construction and reduce resource investment on the premise of ensuring the safety of the structure.
The utility model adopts the following technical scheme to realize the aim:
a high arch dam rear trestle structure which characterized in that: comprises a supporting system, a trestle channel system and a rainproof system;
The support system is fixed on the concrete of the dam body elevation of the high arch dam and consists of a plurality of groups of triangular support systems fixed on the concrete elevation and longitudinal connecting beams connected and fixed between the triangular support systems; the triangular support system comprises an upper cross beam, vertical beams and inclined struts, wherein the upper cross beam is horizontally arranged, the vertical beams are vertically arranged, the inclined struts are connected and fixed at the outer ends of the upper cross beam and the bottom ends of the vertical beams, the inner ends of the upper cross beams are fixedly connected with embedded parts which are embedded and solidified through concrete pouring, the upper ends of the vertical beams are fixedly connected with the upper cross beam, the connecting ends of the vertical beams and the inclined struts are fixedly supported on adjusting support rods which are horizontally arranged, and the inner ends of the adjusting support rods are welded with backing plates and are clung to elevation concrete to form a triangular support structure;
The trestle channel system is arranged on the supporting system and comprises a channel and a guardrail; the channel is composed of a plurality of transverse connecting beams which are vertically arranged between the longitudinal connecting beams at intervals and a steel plate panel which is paved and fixed on each transverse connecting beam to form a platform; the guard rail comprises an inner guard rail and an outer guard rail which have the same structure, the inner guard rail and the outer guard rail are respectively arranged at the inner end and the outer end of the upper cross beam, and the guard rail consists of upright posts which are supported and fixed on the upper cross beams, horizontal upper cross beams and diagonal rods, wherein the horizontal upper cross beams are connected with the adjacent upright posts;
The rain-proof system supports and sets up on landing stage passageway system's guardrail, includes: the support rod is supported and fixed on the upright post, the support rod is connected with the upright posts horizontally arranged by the adjacent support rods, and the color steel tile ceiling is obliquely arranged on the top surface.
Further, a reinforcing connecting beam is fixedly connected with the connecting part of the upper cross beam and the vertical beam and the middle part of the diagonal bracing.
Further, the connecting parts among the upper cross beam, the vertical beam and the diagonal braces are all fixed through reinforcing welding of the connecting plates.
And a bearing rod fixed on the supporting rod is arranged below the color steel tile ceiling, and the inner end of the bearing rod is connected with a fixing rod in the anchoring and concrete.
The embedded parts are embedded positioning cones which are embedded and fixedly arranged in the concrete at intervals.
Further, the upper cross beam, the vertical beam, the diagonal bracing, the reinforced connecting beam and the adjusting strut are formed by welding and fixing two steel channels back to back.
And the longitudinal connecting beam and the upper cross rod are respectively formed into a structural member with a T-shaped cross section by back-to-back angle steel, clamping and fixing a connecting clamping plate extending out of one end, and then assembling and welding.
The longitudinal connecting beam is further connected with two leg edges of the T-shaped structural member of the cross section through bolts to be fixed with the upper cross beam.
Further, the upright post is arranged at the position of the upper cross beam, and the upper end and the lower end of the upright post are fixedly connected with the connecting clamping plate.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model has simple structure and high material recycling rate, can complete the complete trestle structure by installing the three system structures of the supporting system, the trestle channel system and the rainproof system, has simple steps in the whole process, can realize quick and convenient construction on the premise of ensuring the safety of the trestle structure, solves the construction platform problems of joint grouting, dam defect treatment and other high-altitude operations after the dam, and reduces the safety risk coefficient of the high-altitude operations.
Compared with the construction of other construction work platforms, the utility model has the advantages of less materials and greatly reduced consumption of human resources, and the utility model is convenient for personnel to pass and material supply, can be used for placing temporary small construction machines, and can realize the construction of the intelligent temperature control system of the dam body of the high arch dam.
The utility model is suitable for high-altitude construction operation, in particular for a series of construction of high-altitude parts behind a high arch dam.
The supporting system of the rear trestle structure of the high arch dam is integrally arranged at the bottom in a tripod shape, the contact surface of the trestle structure and the dam body are connected and anchored by using embedded parts, the trestle channel system is welded on the supporting system through a connecting plate, and the rainproof system is arranged at the top. The structure not only reduces the safety risk coefficient of high-altitude operation, solves the construction platform problems of high-altitude operation such as joint grouting after a dam, dam defect treatment and the like, but also facilitates personnel to pass and material supply and places temporary small construction machinery; on the other hand, because the dam concrete pouring has high requirements on temperature control, the intelligent temperature control system can be arranged on the trestle structural surface during concrete pouring, so that the temperature control system is closer to a working surface, the construction process becomes simple, the cost is reduced, the dam concrete pouring can be well rain-proof and moisture-proof, and safety accidents such as electric shock and the like are avoided.
Drawings
FIG. 1 is a cross-sectional view of a trestle structure of the present utility model;
FIG. 2 is an elevation view of the trestle structure of the present utility model
FIG. 3 is an enlarged schematic view of portion A of FIG. 1;
Fig. 4 is an enlarged schematic view of the portion B in fig. 1.
In the figure, 1-dam body, 2-backing plate, 3-adjusting support rod, 4-diagonal brace, 5-upper cross beam, 6-reinforcing connecting beam, 7-vertical beam, 8-embedded part, 9-connecting bolt, 10-longitudinal connecting beam, 11-connecting clamping plate, 12-upright post, 13-upper cross rod, 14-support rod, 15-bearing rod, 16-color steel tile, 17-fixing rod, 18-frame upright post, 19-panel, 20-connecting plate, 21-transverse connecting beam, 22-diagonal rod and 23-reserved joint.
Detailed Description
The present utility model will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present utility model and not in any way limiting, nor will the same or similar techniques be used in connection with the present utility model beyond the scope of the present utility model.
In combination with the accompanying drawings.
As shown in the figure, the rear trestle structure of the high arch dam of the embodiment comprises: support system, landing stage passageway system and rain-proof system. The support system is arranged on the concrete of the rear elevation of the high arch dam, the trestle channel system is arranged on the upper part of the support system, and the rainproof system is arranged on the top of the trestle channel system.
The supporting system comprises an embedded part 8, an upper cross beam 5, an adjusting support rod 3, a vertical beam 7, an inclined strut 4, a reinforcing connecting beam 6, a base plate 2 and a connecting plate 20, wherein the embedded part 8 is embedded in a dam body 1, the end is exposed, the upper cross beam 5 is arranged by adopting two steel channels [14b ] perpendicular to the dam body 1, the contact end of the embedded part 8 with the dam body 1 is connected with the embedded part 8 through bolts, the base plate 2 is arranged on the contact surface of the dam body 1, the adjusting support rod 3 is arranged at the lower part of the upper cross beam 5 and is parallel to the upper cross beam 5, the base plate 2 is arranged on the contact surface of the dam body 1, an adjusting hole is arranged on the adjusting support rod 3, the vertical beam 7 is vertically arranged between the upper cross beam 5 and the adjusting support rod 3 by adopting two steel channels [14b ] and the lower end is adjusted by the adjusting hole to keep the upper cross beam horizontal, and the inclined strut 4 adopts two steel channels [14b ] to be 45 DEG to connect the upper cross beam 5 and the vertical beam 7 to form a stable structure of an isosceles right triangle. The reinforced connecting beam 6 is formed by adopting two steel channels (14 b) to vertically support the diagonal bracing 4, connecting the right angle position of the midpoint of the diagonal bracing 4 and the isosceles triangle, each beam part is formed by adopting two steel channels which are the same and adopting a mode of arranging a connecting plate 20 in the back-to-back middle, and the connecting plate 20 is welded and fixed in the middle of each beam part node by adopting a steel plate with the thickness of 8 mm. The adjacent three beam members form an isosceles right triangle supporting structure, and longitudinal connecting beams 10 are connected between the isosceles right triangle supporting structures.
The trestle channel system comprises a channel structure and a guardrail structure.
The channel structure comprises transverse connecting beams 21 and panel 19 arranged on the longitudinal connecting beams 10, wherein the longitudinal connecting beams 10 are welded in a back-to-back mode by using two angle steel with the same angle of 63 multiplied by 6mm, connecting clamping plates 11 are arranged in the middle, the upper cross beam 5 of the vertical supporting system of the longitudinal connecting beams 10 is horizontally arranged, connecting bolts 9 are arranged at the contact positions of the longitudinal connecting beams 10 and the upper cross beam 5, and two connecting bolts 9 are arranged at each position for anchoring. The transverse connecting beam 21 is arranged at the bottom of the longitudinal connecting beam 10 and is vertical to the longitudinal connecting beam by adopting angle steel of 30 multiplied by 3 mm. The panels 19 are laid flat on the transverse contact beams 21 using a 4mm thick steel sheet mesh.
The guardrail structure is two pin steel truss structures, it includes horizontal pole 13, stand 12, diagonal 22, reserve joint 23, stand 12 vertical longitudinal tie beam 10 welded fastening, upward horizontal pole 13 adopts +.63X6mm angle steel perpendicular to stand 12 welded on stand 12 top, diagonal 22 connects stand 12 and last horizontal pole 13 to form triangle-shaped stable structure, stand, diagonal all adopt two +.50X5mm angle steel to constitute, reserve joint 23 welded on stand 12 top, each node of steel truss sets up connecting plate 20 and carries out welded fastening.
The rainproof system comprises support rods 14, a vertical support rod 18, support rods 15, fixing rods 17 and colored steel tiles 16, wherein the support rods 14 are arranged in two rows by adopting A48mm steel pipes, the support rods 14 are arranged on the vertical support rods 12 of the guardrail structure for achieving timely drainage, the height of the support rods close to one side of a dam body is 50cm, the vertical support rods 18 are arranged by adopting A48mm steel pipes and are arranged close to the side of the dam body 1, the two support rods are arranged on the other side, the support rods 15 are connected with the top ends of the two support rods 14 by adopting A48mm steel pipes and are respectively extended by 20cm, the colored steel tiles 16 are paved on the support rods 15, and the fixing rods 17 are used for connecting the support rods 14 close to one side of the dam body with the dam body 1 for reinforcing and fixing.
Claims (9)
1. A high arch dam rear trestle structure which characterized in that: comprises a supporting system, a trestle channel system and a rainproof system;
The support system is fixed on the concrete of the dam body elevation of the high arch dam and consists of a plurality of groups of triangular support systems fixed on the concrete elevation and longitudinal connecting beams connected and fixed between the triangular support systems; the triangular support system comprises an upper cross beam, vertical beams and inclined struts, wherein the upper cross beam is horizontally arranged, the vertical beams are vertically arranged, the inclined struts are connected and fixed at the outer ends of the upper cross beam and the bottom ends of the vertical beams, the inner ends of the upper cross beams are fixedly connected with embedded parts which are embedded and solidified through concrete pouring, the upper ends of the vertical beams are fixedly connected with the upper cross beam, the connecting ends of the vertical beams and the inclined struts are fixedly supported on adjusting support rods which are horizontally arranged, and the inner ends of the adjusting support rods are welded with backing plates and are clung to elevation concrete to form a triangular support structure;
The trestle channel system is arranged on the supporting system and comprises a channel and a guardrail; the channel is composed of a plurality of transverse connecting beams which are vertically arranged between the longitudinal connecting beams at intervals and a steel plate panel which is paved and fixed on each transverse connecting beam to form a platform; the guard rail comprises an inner guard rail and an outer guard rail which have the same structure, the inner guard rail and the outer guard rail are respectively arranged at the inner end and the outer end of the upper cross beam, and the guard rail consists of upright posts which are supported and fixed on the upper cross beams, horizontal upper cross beams and diagonal rods, wherein the horizontal upper cross beams are connected with the adjacent upright posts;
The rain-proof system supports and sets up on landing stage passageway system's guardrail, includes: the support rod is supported and fixed on the upright post, the support rod is connected with the upright posts horizontally arranged by the adjacent support rods, and the color steel tile ceiling is obliquely arranged on the top surface.
2. The high arch dam rear trestle structure according to claim 1, wherein: the connecting part of the upper cross beam and the vertical beam is fixedly connected with the middle part of the diagonal brace.
3. The high arch dam rear trestle structure according to claim 2, wherein: the connecting parts among the upper cross beam, the vertical beam and the diagonal braces are all fixed by reinforcing welding through connecting plates.
4. A high arch dam rear trestle structure according to claim 3, and wherein: and a bearing rod fixed on the supporting rod is arranged below the color steel tile ceiling, and the inner end of the bearing rod is connected with a fixed rod in the anchoring and concrete.
5. A high arch dam rear trestle structure according to claim 3, and wherein: the embedded parts are embedded positioning cones which are embedded and fixedly arranged in the concrete at intervals.
6. A high arch dam rear trestle structure according to claim 3, and wherein: the upper cross beam, the vertical beam, the diagonal bracing, the reinforced connecting beam and the adjusting strut are formed by welding and fixing two steel channels back to back.
7. A high arch dam rear trestle structure according to claim 3, and wherein: the longitudinal connecting beam and the upper cross rod are respectively formed into a structural member with a T-shaped cross section by back-to-back angle steel, clamping and fixing a connecting clamping plate extending out of one end, and then assembling and welding.
8. The high arch dam rear trestle structure according to claim 7, wherein: the longitudinal connecting beam is connected with the two legs of the T-shaped structural member of the cross section through bolts to be fixed with the upper cross beam.
9. The high arch dam rear trestle structure according to claim 7, wherein: the upright post is arranged at the position of the upper cross beam, and the upper end and the lower end of the upright post are fixedly connected with the connecting clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323164859.XU CN221193210U (en) | 2023-11-23 | 2023-11-23 | Rear trestle structure of high arch dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323164859.XU CN221193210U (en) | 2023-11-23 | 2023-11-23 | Rear trestle structure of high arch dam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221193210U true CN221193210U (en) | 2024-06-21 |
Family
ID=91494999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323164859.XU Active CN221193210U (en) | 2023-11-23 | 2023-11-23 | Rear trestle structure of high arch dam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221193210U (en) |
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2023
- 2023-11-23 CN CN202323164859.XU patent/CN221193210U/en active Active
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