CN215405924U - Dam surface hole accident access door stretcher beam device - Google Patents
Dam surface hole accident access door stretcher beam device Download PDFInfo
- Publication number
- CN215405924U CN215405924U CN202121676981.3U CN202121676981U CN215405924U CN 215405924 U CN215405924 U CN 215405924U CN 202121676981 U CN202121676981 U CN 202121676981U CN 215405924 U CN215405924 U CN 215405924U
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- China
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- access door
- surface hole
- stretcher
- telescopic mechanism
- hole accident
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Abstract
The utility model provides a dam surface hole accident access door stretcher beam device which comprises an access door groove, wherein mounting grooves are formed in two sides of the top of the access door groove, guide rails are arranged on the mounting grooves, a sliding block matched with the guide rails is arranged at the bottom of a stretcher beam, a telescopic mechanism is arranged on the mounting grooves, and a telescopic end of the telescopic mechanism is connected with the stretcher beam through a connecting rod. The device makes things convenient for the removal of stretcher roof beam, promotes work efficiency greatly.
Description
Technical Field
The utility model relates to the field of hydroelectric engineering dams, in particular to a dam surface hole accident access door load beam device.
Background
The dam all is provided with the gauge outfit for the flood of letting out, and wherein gauge outfit accident access door is mainly that the floodgate carries out interim manger plate down during the access of working door. The manhole accident access door often adopts a stretcher beam as a support when a manhole opening is temporarily fixed. The load beam of traditional form only places a heavy bearing steel roof beam on drill way upper portion, and this kind of load beam mainly relies on the manpower to remove to required position, not only wastes time and energy, is difficult to ensure moreover that two load beams remove to the suitable fulcrum of access door, causes the access door strong point not on same straight line, and the atress is uneven, relies on the manpower just to need the operation personnel to stand and adopts steel pipe or chain block to remove at the drill way border, has great potential safety hazard.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a stretcher beam device of a dam surface hole accident access door, which is convenient for moving a stretcher beam and greatly improves the working efficiency.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a dam table hole accident access door load beam device, includes the access door gate slot, access door gate slot top both sides are equipped with the mounting groove, are equipped with the guide rail on the mounting groove, load beam bottom be equipped with guide rail complex slider, be equipped with telescopic machanism on the mounting groove, telescopic machanism's flexible end is passed through the connecting rod and is connected with load beam.
In a preferred scheme, the telescopic mechanism is a hydraulic cylinder, and a control system of the telescopic mechanism is arranged at the end part of the access door slot.
In the preferred scheme, the end part of the access door slot is provided with a cross beam which is erected on the mounting groove, and the control system of the telescopic mechanism is arranged on the cross beam.
In a preferable scheme, a protective grating cover plate is arranged above the cross beam.
In a preferred scheme, the guide rail is provided with a positioning block for positioning the stretcher beam.
The stretcher beam device for the dam surface hole accident access door provided by the utility model can draw the stretcher beam to move on the guide rail, can conveniently and quickly reach the optimal supporting point position of the surface hole access door, and improves the working efficiency. The stretcher beam can be moved to realize automatic operation, is convenient to overhaul, saves human resources and reduces potential safety hazards in manual overhead edge-facing operation.
Drawings
The utility model is further illustrated with reference to the accompanying drawings and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the connection between the stretcher and the telescoping mechanism;
in the figure: the structure comprises an access door slot 1, a mounting groove 2, a guide rail 3, a stretcher beam 4, a sliding block 5, a telescopic mechanism 6, a connecting rod 7, a control system 8, a cross beam 9, a protective grating cover plate 10 and a positioning block 11.
Detailed Description
As shown in fig. 1-3, a dam surface hole accident access door load beam device comprises an access door slot 1, wherein mounting grooves 2 are arranged on two sides of the top of the access door slot 1, the mounting grooves 2 are reserved concrete grooves, guide rails 3 are arranged on the mounting grooves 2, a sliding block 5 matched with the guide rails 3 is arranged at the bottom of a load beam 4, an expansion mechanism 6 is arranged on the mounting grooves 2, and the expansion end of the expansion mechanism 6 is connected with the load beam 4 through a connecting rod 7.
In this embodiment, the telescopic mechanism 6 is a hydraulic cylinder, and the control system 8 of the telescopic mechanism 6 is arranged at the end of the access door slot 1.
Preferably, the control system 8 of the telescopic mechanism 6 is remotely controllable by a controller.
The load-bearing beam 4 can bear the weight of the manhole access door, and the height of the load-bearing beam 4 is not higher than the original concrete surface elevation of the gantry crane platform.
Preferably, a cross beam 9 is arranged at the end part of the access door slot 1, the cross beam 9 is erected on the mounting slot 2, and a control system 8 of the telescopic mechanism 6 is arranged on the cross beam 9.
Through setting up the crossbeam, make things convenient for telescopic machanism 6's control system 8's installation.
Preferably, a protective grille cover plate 10 is arranged above the cross beam 9. The end of the protective grating cover plate 10 is erected on the original concrete surface of the machine platform to protect the control system 8 of the telescopic mechanism 6.
Preferably, the guide rail 3 is provided with a positioning block 11 for positioning the stretcher beam 4. When the stretcher beam 4 moves to the position of the positioning block 11, the stretcher beam is moved to the optimal position, and the control of the moving position is facilitated.
The working principle and the process of the device are as follows:
the working principle and the process are as follows:
1) and when the concrete pouring construction of the surface hole accident access door groove is carried out to the top of the access door groove 1, the positions of the guide rail 3 and the control system 8 are reserved in advance.
2) And after the gate slot concrete reaches the design age, embedding a guide rail sample frame, and fixing the guide rail 3 according to a preset circuit through a cushion plate high-strength bolt and the like.
3) And pouring the second-stage concrete of the track to completely fix the guide rail 3.
4) The stretcher beam 4, the connecting rod 7 and the telescopic mechanism 6 are assembled in the concrete pit grooves around the access door slot 1 in sequence, and after the assembly, a test run test is carried out, so that the normal operation of the device is ensured.
5) According to table perforation inspection gate best support point position lofting goes out the position mark of load beam 4 on guide rail 3, before table perforation inspection gate hoist drill way maintenance, through control system 8 control telescopic machanism 6, drive load beam 4 and move to the best support point position that has set for on load beam 4, then fall the access door down, the supporting shoe support of access door upper end carries out the temporary fixation in load beam 4 top, when waiting to overhaul the completion and no longer needing load beam 4, lift the access door, then move back load beam 4 to the concrete pit inslot at access door gate slot 1 both ends, closing means.
Claims (5)
1. The utility model provides a dam surface hole accident access door load beam device, includes access door gate slot (1), its characterized in that: the maintenance door is characterized in that mounting grooves (2) are formed in two sides of the top of the access door groove (1), guide rails (3) are arranged on the mounting grooves (2), sliders (5) matched with the guide rails (3) are arranged at the bottoms of the stretcher beams (4), a telescopic mechanism (6) is arranged on the mounting grooves (2), and the telescopic end of the telescopic mechanism (6) is connected with the stretcher beams (4) through a connecting rod (7).
2. The dam surface hole accident access door spreader device of claim 1, wherein: the telescopic mechanism (6) is a hydraulic cylinder, and a control system (8) of the telescopic mechanism (6) is arranged at the end part of the access door slot (1).
3. The dam surface hole accident access door spreader device of claim 2, wherein: the end part of the access door slot (1) is provided with a cross beam (9), the cross beam (9) is erected on the mounting groove (2), and a control system (8) of the telescopic mechanism (6) is arranged on the cross beam (9).
4. The dam surface hole accident access door spreader device of claim 3, wherein: and a protective grating cover plate (10) is arranged above the cross beam (9).
5. The dam surface hole accident access door spreader device of claim 1, wherein: and a positioning block (11) for positioning the stretcher beam (4) is arranged on the guide rail (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121676981.3U CN215405924U (en) | 2021-07-22 | 2021-07-22 | Dam surface hole accident access door stretcher beam device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121676981.3U CN215405924U (en) | 2021-07-22 | 2021-07-22 | Dam surface hole accident access door stretcher beam device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215405924U true CN215405924U (en) | 2022-01-04 |
Family
ID=79651801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121676981.3U Active CN215405924U (en) | 2021-07-22 | 2021-07-22 | Dam surface hole accident access door stretcher beam device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215405924U (en) |
-
2021
- 2021-07-22 CN CN202121676981.3U patent/CN215405924U/en active Active
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