Plane gate hoisting system suitable for super-large inclination gate groove

Abstract

The utility model relates to a plane gate hoisting system suitable for a super-large inclination gate groove. The method is suitable for the technical field of hydroelectric and hydraulic engineering. The technical problem to be solved by the utility model is to provide the plane gate hoisting system suitable for the super-large slope gate groove. According to the technical scheme, the device comprises a first truck crane, a second truck crane, a gate, a guide wheel device, a grabbing beam device and a steel wire rope; the steel wire ropes comprise a first steel wire rope and a second steel wire rope, and a balance beam on the first truck crane is connected with the beam grabbing device through the first steel wire rope; a balance beam on the second truck crane is connected with the grabbing beam device through a second steel wire rope, and the second steel wire rope penetrates through the guide wheel device. And the grabbing beam device is connected with the gate.

Description

Technical Field

[0001] The utility model relates to the field of hydropower and water conservancy projects, and more specifically, to a plane gate hoisting system suitable for gate slots with super-large slopes. Background Art

[0002] The opening and closing of the gate is very important in hydropower and water conservancy projects. For the gate slot set on the overflow surface of the dam, the overflow surface is soaked in water for a long time, and conventional permanent opening and closing equipment cannot be used, and permanent frame column structure is not allowed. Therefore, it is necessary to use a temporary truck crane as the opening and closing equipment of the gate to perform opening and closing operations during the dry season.

[0003] For inclined gate slots, the angle of existing domestic engineering cases generally does not exceed 10°, and the opening and closing equipment is generally permanent equipment, and the lateral load-bearing device is considered on the equipment. However, there is no recorded precedent in China for gate slots with extremely large slopes and only temporary truck cranes can be used to open and close the gate. For gate slots with extremely large slopes, the truck crane is tilted and stressed, and there is a great risk of rollover. Traditional truck crane lifting solutions face problems such as large lifting angles, high lifts, and high stability and safety requirements. Therefore, developing a planar gate lifting solution that can adapt to gate slots with extremely large slopes is an urgent need for current technological development. Utility Model Content

[0004] The utility model aims to overcome the deficiencies in the prior art and provides a plane gate hoisting system suitable for gate slots with super-large slopes.

[0005] In a first aspect, a planar gate hoisting system suitable for a gate slot with a large slope is provided, comprising: a first truck crane, a second truck crane, a gate, a guide wheel device, a beam grabbing device and a wire rope;

[0006] The steel wire rope includes a first steel wire rope and a second steel wire rope. The balance beam on the first truck crane is connected to the grab beam device via the first steel wire rope. The balance beam on the second truck crane is connected to the grab beam device via the second steel wire rope. The second steel wire rope passes through a guide wheel device. The grab beam device is connected to the gate.

[0007] Preferably, a locking device is provided on the gate; the gate is locked above the gate slot opening by the locking device.

[0008] Preferably, the first steel wire rope and the second steel wire rope are each composed of two steel wire ropes.

[0009] In a second aspect, a working method of a planar gate hoisting system for a gate slot with a large slope as described in the first aspect is provided, comprising:

[0010] Step 1: Install the guide wheel device at a suitable location on the construction site;

[0011] Step 2: Use the first truck crane and the beam grabbing device to steadily lift the gate out of the gate storage slot and move it to the parking platform on the side of the gate slot;

[0012] Step 3: The first vehicle lifts the gate to a suitable position above the gate slot, and uses a locking device to temporarily lock the gate above the gate slot opening;

[0013] Step 4: Connect the second truck crane to the gate through the guide wheel device, lift the gate with the first truck crane to unlock it, and then slowly lower the gate until the lifting point is slightly lower than the top of the main rail;

[0014] Step 5: The guide wheel device converts the operating force of the second truck crane from oblique to vertical; as the second truck crane gradually applies force, the gate gradually tilts until all rollers on the gate are in full contact with the main rail;

[0015] Step 6: When the gate is fully held by the truck crane, release the traction of the first truck crane;

[0016] Step 7: Under the traction of the second truck crane, lower the gate to the bottom sill position to perform the gate water blocking task.

[0017] Preferably, in step 6, releasing the traction of the first mobile crane comprises: gradually relaxing the first steel wire rope to a state without stress, and disconnecting one end connected to the first mobile crane, while the other end of the first steel wire rope continues to be connected to the gate and is pulled by a rope to keep it vertically upward and away from the second steel wire rope.

[0018] Preferably, step 8, opening the gate is performed in the reverse order of steps 1-7, including: lifting the gate to a certain height by the second truck crane, reconnecting and tensioning the first wire rope of the first truck crane; the two truck cranes work together to lift the gate to above the gate slot opening and lock it; finally, the first truck crane lifts the gate to the parking platform or the storage door slot to complete the door opening operation.

[0019] The beneficial effects of the utility model are:

[0020] 1. The utility model can realize the opening and closing operation of the plane gate with a large slope gate slot in a long-term water-immersion environment.

[0021] 2. The utility model uses a locking device to lock the gate at the opening, which can solve the problem that the gate shakes when personnel install the wire rope and improve the safety of installation.

[0022] 3. The utility model can convert the operating force of the automobile crane from oblique force to vertical force by setting a guide wheel device, thereby avoiding tipping of the automobile crane; and by traction of the wire rope, it can avoid that during the lifting process, the multiple wire ropes of the automobile crane itself enter the guide wheel, thereby exposing the risk of failure and damage of the multiple wire ropes and the guide wheel; a grabbing beam device is also provided so that the automobile crane can easily grab and place the gate, thereby improving the convenience of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is the parking arrangement diagram for the dam crest;

[0024] Figure 2 This is a schematic diagram of the wire rope connection scheme;

[0025] Figure 3 It is a schematic diagram of the gate locking device;

[0026] Figure 4 for Figure 3 A partial enlarged view of

[0027] Figure 5a This is the front view of the mechanical beam grabbing equipment;

[0028] Figure 5b It is a top view of the mechanical beam grabbing device;

[0029] Figure 5c It is a side view of the mechanical beam grabbing device;

[0030] Figure 6 Schematic diagram of the first step in gate lifting;

[0031] Figure 7 Schematic diagram of the second step of gate lifting;

[0032] Figure 8 Schematic diagram of the third step of gate lifting;

[0033] Fig. 9 Schematic diagram of the fourth step of gate lifting;

[0034] Explanation of the accompanying drawings: first truck crane 101, second truck crane 102, gate 2, guide wheel device 3, beam grabbing device 4, first steel wire rope 501, second steel wire rope 502, locking device 6, first balance beam 701, second balance beam 702, storage door slot 8, door slot 9, first truck crane parking platform 10, second truck crane parking platform 11. DETAILED DESCRIPTION

[0035] The utility model is further described below in conjunction with the embodiments. The description of the following embodiments is only used to help understand the utility model. It should be pointed out that for ordinary people in this technical field, the utility model can also be modified in some ways without departing from the principle of the utility model, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

[0036] Embodiment 1:

[0037] The traditional lifting scheme has complicated operation steps, requires professional personnel to operate, and has high requirements for the site and environment. In addition, the traditional lifting scheme is usually designed for vertically opened and closed gates, which makes it difficult to apply these schemes to flat gates with inclined gate slots. Due to the special structure and size of the large-slope gate slot, the traditional lifting scheme has certain safety risks during operation. Furthermore, due to the limitations of the traditional lifting scheme, the installation and disassembly process of flat gates with large-slope gate slots is usually time-consuming and cumbersome, affecting work efficiency.

[0038] To solve the above problems, Example 1 of the present application provides a planar gate hoisting system suitable for gate slots with large slopes, which achieves the goal of fast and safe installation and removal of planar gates in gate slots with large slopes through the coordinated work of two truck cranes and the sophisticated design of gate locking devices and beam grabbing devices (mechanical automatic beam grabbing, traction wire rope, guide wheel device, balance beam). The hoisting scheme of the utility model has a simple structure, convenient operation, low cost, and has broad application prospects.

[0039] Specifically, Figures 1 to 5c As shown, it includes: a first truck crane 101, a second truck crane 102, a gate 2, a guide wheel device 3, a beam grabbing device 4 and a wire rope;

[0040] The steel wire rope includes a first steel wire rope 501 and a second steel wire rope 502; the balance beam on the first truck crane 101 is connected to the grab beam device 4 via the first steel wire rope 501; the balance beam on the second truck crane 102 is connected to the grab beam device 4 via the second steel wire rope 502, and the second steel wire rope 502 passes through the guide wheel device 3; the grab beam device 4 is connected to the gate 2.

[0041] The gate 2 is provided with a locking device 6, which is used to lock the gate 2 above the opening of the door slot 9, thereby preventing the gate 2 from shaking during installation, thereby improving the safety of the overall operation.

[0042] The first steel wire rope 501 and the second steel wire rope 502 are both composed of two steel wire ropes.

[0043] Embodiment 2:

[0044] Based on Example 1, Example 2 of the present application provides a working method for a planar gate hoisting system for a gate slot with a large slope, such as Figures 6 to 9 As shown, including:

[0045] Step 1: Install the guide wheel device 3 at a suitable position on the construction site; ensure that it can work normally to ensure that the force direction of the truck crane can be effectively changed during the lifting process to prevent the risk of the gate 2 tipping over.

[0046] Before step 1, it is necessary to conduct a detailed survey of the construction site and check the integrity and suitability of the two mobile cranes, guide wheel devices, locking devices, beam grab devices and wire ropes. Make sure all equipment is in good condition and suitable for the current working environment.

[0047] Step 2: Use the first truck crane 101 and the beam grabbing device 4 to steadily lift the gate 2 out of the gate storage slot 8 and move it to the parking platform on the side of the gate slot 9.

[0048] The hook of the first automobile crane 101 is connected to the mechanical automatic grab beam through the first balance beam 701 and the first steel wire rope 501. Ensure that the connection is firm and reliable to avoid falling off or slipping during the lifting process.

[0049] Step 3: The first truck crane 101 lifts the gate 2 to a suitable position above the gate slot 9, and uses the locking device 6 to temporarily lock the gate 2 above the opening of the gate slot 9; this step is to facilitate the connection between the gate 2 and the second truck crane 102 to prevent shaking during the installation process.

[0050] Step 4: Connect the second mobile crane 102 to the gate 2 through the guide wheel device 3 to ensure stability and safety during the lifting process. The first mobile crane 101 lifts the gate 2 to unlock it, and then slowly lowers the gate until the lifting point is slightly lower than the top of the main rail.

[0051] Step 5: The guide wheel device 3 converts the operating force of the second truck crane 102 from oblique to vertical; as the second truck crane 102 gradually applies force, the gate 2 gradually tilts until all rollers on the gate 2 are in full contact with the main rail.

[0052] Step 6: After the gate is fully held by the truck crane, the traction of the first truck crane 101 is released.

[0053] In step 6, the release of the traction of the first mobile crane 101 includes: gradually relaxing the first steel wire rope 501 to a stress-free state, and disconnecting one end connected to the first mobile crane 101, while the other end of the first steel wire rope 501 continues to be connected to the gate 2, and is pulled by a rope to keep it vertically upward and away from the second steel wire rope 502 to prevent it from interfering with the opening and closing process of the gate 2. At the same time, ensure that the length of the traction rope is not less than the length of the steel wire rope.

[0054] Step 7: Under the traction of the second truck crane 102, the gate 2 is lowered to the sill position to perform the gate water blocking task. When the gate reaches the sill, the corresponding maintenance task is performed.

[0055] Specifically, the method provided in this embodiment is a method corresponding to the device provided in Example 1. Therefore, the parts in this embodiment that are the same or similar to those in Example 1 can be referenced to each other and will not be repeated in this application.

[0056] Embodiment 3:

[0057] Based on Example 2, Example 3 of the present application provides another working method for a planar gate hoisting system for a large-slope gate slot, which is used to realize the door opening process, including:

[0058] The gate 2 is lifted to a certain height by the second truck crane 102, and the first wire rope 501 of the first truck crane 101 is reconnected and tensioned; the two truck cranes work together to lift the gate 2 to above the opening of the gate slot 9 and lock it; finally, the first truck crane 101 lifts the gate to the parking platform or the storage door slot 8 to complete the door opening operation.

[0059] It should be noted that the parts in this embodiment that are the same or similar to those in Embodiment 2 can be referenced to each other and will not be described in detail in this application.

[0060] To sum up, the lifting scheme provided in this application is not only suitable for the installation and disassembly of flat gates with super-large slope gate slots in long-term water immersion environments, but also has the advantages of simple structure, safe operation, low cost and the ability to quickly complete lifting tasks. It has broad application prospects and market potential.

Claims

1. A planar gate hoisting system suitable for gate slots with large slopes, characterized in that: include: A first truck crane (101), a second truck crane (102), a gate (2), a guide wheel device (3), a beam grabbing device (4), and a steel wire rope; The steel wire rope comprises a first steel wire rope (501) and a second steel wire rope (502); the balance beam (701) on the first truck crane (101) is connected to the grab beam device (4) via the first steel wire rope (501); the balance beam (702) on the second truck crane (102) is connected to the grab beam device (4) via the second steel wire rope (502); the second steel wire rope (502) passes through the guide wheel device (3); the grab beam device (4) is connected to the gate (2).

2. The planar gate hoisting system suitable for super-large slope gate slots according to claim 1 is characterized in that: The gate (2) is provided with a locking device (6); the gate (2) is locked above the gate slot opening by means of the locking device (6).

3. The planar gate hoisting system suitable for super-large slope gate slots according to claim 2 is characterized in that: The first steel wire rope (501) and the second steel wire rope (502) are both composed of two steel wire ropes.

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