Rock anchor beam-based dome type gas storage chamber side wall construction device and construction method

Abstract

The invention discloses a dome type gas storage chamber side wall construction device and method based on a rock anchor beam, and belongs to the technical field of underground engineering. The plurality of hoisting devices are uniformly arranged at the upper end of the annular rock anchor beam; a plurality of supporting mechanisms are arranged in the circumferential direction of the annular working platform in an array mode; the multiple slings are arranged in one-to-one correspondence with the multiple hoisting devices, the first ends of the slings are fixedly connected with the annular working platform, and the second ends of the slings penetrate through the annular rock anchor beam and the hoisting devices; wherein the hoisting equipment is matched with the sling to drive the annular working platform to ascend and descend; and after the annular operation platform reaches a preset position, the multiple supporting mechanisms are supported on the high side wall. The operation platform can be moved integrally, and 360-degree dead-corner-free operation of the side wall of the dome gas storage chamber is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of underground engineering, and in particular relates to a device and a method for constructing a side wall of a dome-type gas storage chamber based on a rock anchor beam. Background Art

[0002] The construction of high side walls of dome tank structures such as tailwater surge chambers in hydropower stations and natural gas storage facilities requires an operating platform that slides up and down along the side walls.

[0003] In the prior art, a dome gas storage chamber uses a hanging basket work platform to perform high side wall operations. During the construction process, the hanging basket work platform has a limited working angle and cannot achieve 360° no-dead-angle operations on the high side wall of the dome gas storage chamber. Summary of the invention

[0004] In order to solve the above problems, the present invention adopts the following technical solutions:

[0005] A device for constructing a side wall of a dome-type gas storage chamber based on a rock anchor beam, comprising:

[0006] An annular rock anchor beam, wherein the annular rock anchor beam is anchored on the rock;

[0007] A plurality of hoisting devices, wherein the plurality of hoisting devices are evenly arranged at the upper end of the annular rock anchor beam;

[0008] An annular work platform, wherein a circumferential array of the annular work platform is provided with a plurality of supporting mechanisms;

[0009] A plurality of slings, wherein the plurality of slings are arranged in one-to-one correspondence with the plurality of lifting equipment, wherein the first end of the sling is fixedly connected to the annular working platform, and the second end passes through the annular rock anchor beam and cooperates with the lifting equipment;

[0010] Among them, the lifting equipment cooperates with the sling to drive the annular working platform to rise and fall relative to the annular rock anchor beam; after the annular working platform reaches the preset position, multiple supporting mechanisms are supported on the high side wall, so that the annular working platform generates upward friction under the action of its own weight and the positive pressure of the supporting mechanisms, so as to ensure the stability of the annular working platform during the operation.

[0011] Furthermore, the lifting equipment is a continuous jack.

[0012] Furthermore, the annular working platform comprises:

[0013] An annular keel, wherein the first ends of the plurality of slings are fixedly connected to the upper end surface of the outer ring of the annular keel; and the plurality of support mechanisms are evenly arranged along the circumference of the annular keel and fixedly mounted on the side end surface of the outer ring of the annular keel;

[0014] An annular platform panel, the annular platform panel is fixedly mounted on the upper end of the annular keel;

[0015] A protective component is fixedly mounted on the inner ring end surface of the annular keel.

[0016] Furthermore, the supporting mechanism is a hydraulic telescopic member.

[0017] A method for constructing a dome-type gas storage chamber side wall based on a rock anchor beam, using any of the above-mentioned devices for constructing a dome-type gas storage chamber side wall based on a rock anchor beam, the construction method comprising the following steps:

[0018] S10. Preparation;

[0019] S20, anchoring the annular rock anchor beam on the rock;

[0020] S30, assembling the annular working platform, and installing the supporting mechanism on the annular working platform;

[0021] S40, connecting the annular working platform to the annular rock anchor beam through a sling;

[0022] S50, installing the hoisting equipment on the upper end of the annular rock anchor beam and connecting and cooperating with the sling; through the cooperation between the hoisting equipment and the sling, the overall lifting and lowering of the annular working platform is realized;

[0023] After the S60-shaped working platform is lifted into place, the force system is changed; the supporting mechanism is supported on the high side wall by extending the supporting mechanism;

[0024] S70, shorten the supporting mechanism and stably suspend it in the air through the annular rock anchor beam, hoisting equipment and slings;

[0025] S80, lifting the circular working platform as a whole through hoisting equipment;

[0026] S90, repeat steps S50-S80 to complete the next cycle;

[0027] S100, dismantle the device and the construction is completed.

[0028] Furthermore, in step S30, an annular keel, an annular platform panel and protective components are assembled to form an annular working platform, and the annular keel is connected to the sling; at the same time, a plurality of supporting mechanisms are installed on the annular keel.

[0029] Beneficial effects:

[0030] The device and method for constructing the side wall of a dome-type gas storage chamber based on rock anchor beams provided by the present invention can be an overall mobile working platform, thus realizing 360° no-dead-angle operation of the side wall of the dome-type gas storage chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A schematic diagram of the structure of a device for constructing a side wall of a dome-type gas storage chamber based on a rock anchor beam provided by the present invention;

[0032] Figure 2 for Figure 1 A is a partial enlarged view in the middle;

[0033] Figure 3 for Figure 1 Middle partial enlarged image B;

[0034] Figure 4 A schematic diagram of a device for constructing a side wall of a dome-type gas storage chamber based on a rock anchor beam provided by the present invention in a working condition;

[0035] Among them, 1. lifting equipment; 2. annular rock anchor beam; 3. sling; 4. supporting mechanism; 5. annular keel; 6. protective component; 7. annular platform panel. DETAILED DESCRIPTION

[0036] Example 1

[0037] refer to Figure 1-4 , a device for constructing a side wall of a dome-type gas storage chamber based on a rock anchor beam, comprising:

[0038] An annular rock anchor beam 2, the annular rock anchor beam 2 is anchored on the rock;

[0039] A plurality of hoisting devices 1, wherein the plurality of hoisting devices 1 are evenly arranged at the upper end of the annular rock anchor beam 2;

[0040] An annular work platform, the circumferential array of which is provided with a plurality of supporting mechanisms 4;

[0041] A plurality of slings 3, wherein the plurality of slings 3 are arranged in one-to-one correspondence with the plurality of lifting devices 1, wherein the first end of the sling 3 is fixedly connected to the annular working platform, and the second end passes through the annular rock anchor beam 2 and cooperates with the lifting device 1;

[0042] Among them, the lifting equipment 1 cooperates with the sling 3 to drive the annular working platform to rise and fall relative to the annular rock anchor beam 2; after the annular working platform reaches the preset position, multiple supporting mechanisms 4 are supported on the high side wall, so that the annular working platform generates upward friction under the action of its own weight and the positive pressure of the supporting mechanism 4, so as to ensure the stability of the annular working platform during the operation and prevent it from falling.

[0043] In this embodiment, the lifting device 1 is a continuous jack.

[0044] In this embodiment, the annular working platform includes:

[0045] The annular keel 5, the first ends of the plurality of slings 3 are fixedly connected to the upper end surface of the outer ring of the annular keel 5; the plurality of support mechanisms 4 are evenly arranged along the circumference of the annular keel 5 and fixedly mounted on the side end surface of the outer ring of the annular keel 5;

[0046] An annular platform panel 7, the annular platform panel 7 is fixedly mounted on the upper end of the annular keel 5;

[0047] The protective component 6 is fixedly mounted on the inner ring end surface of the annular keel 5 .

[0048] In this embodiment, the support mechanism 4 is a hydraulic telescopic member, wherein the hydraulic telescopic member is preferably a hydraulic cylinder or a hydraulic telescopic rod.

[0049] The device for constructing the side wall of a dome-type gas storage chamber based on a rock anchor beam provided in this embodiment can, through the cooperation of a continuous jack and a sling 3, be able to move the working platform as a whole, thereby realizing 360° no-dead-angle operation of the side wall of the dome gas storage chamber; at the same time, after the annular working platform reaches the preset position, a plurality of hydraulic telescopic parts are supported on the high side wall, so that the annular working platform generates an upward friction force under the action of its own weight and the positive pressure of the supporting mechanism 4, thereby ensuring the safety of the annular working platform during the operation (stability and no falling).

[0050] Example 2

[0051] This embodiment provides a method for constructing a dome-type gas storage chamber side wall based on a rock anchor beam, using the device for constructing a dome-type gas storage chamber side wall based on a rock anchor beam provided in Example 1. The construction method includes the following steps:

[0052] S10. Preparation;

[0053] S20, anchoring the annular rock anchor beam 2 on the rock;

[0054] S30, assembling the annular working platform, and installing the supporting mechanism 4 on the annular working platform;

[0055] Specifically, the annular keel 5, the annular platform panel 7 and the protective member 6 are assembled to form an annular working platform, and the annular keel 5 is connected to the sling 3; at the same time, a plurality of supporting mechanisms 4 are installed on the annular keel;

[0056] S40, connecting the annular working platform to the annular rock anchor beam 2 through the sling 3;

[0057] S50, installing the hoisting device 1 on the upper end of the annular rock anchor beam 2, and connecting and cooperating with the sling 3; through the cooperation between the hoisting device 1 and the sling 3, the overall lifting of the annular working platform is realized;

[0058] S60, after the circular working platform is lifted into place, the force system is changed; the supporting mechanism 4 is extended so that the supporting mechanism 4 is supported on the high side wall; the positive pressure generated by the extension of the supporting mechanism 4 is used to make the whole system generate upward friction under the action of its own weight and positive pressure, and the friction is used to ensure the safety (stability and no falling) of the circular working platform during operation;

[0059] S70, shorten the support mechanism 4, the positive pressure disappears, and the friction between the annular working platform and the high side wall also disappears, and the device is stably suspended in the air through the annular rock anchor beam 2, the hoisting equipment 1 and the sling 3;

[0060] S80, lifting the annular working platform as a whole by means of the hoisting device 1;

[0061] S90, repeat steps S50-S80 to complete the next cycle;

[0062] S100, dismantle the device and the construction is completed.

[0063] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A device for constructing the side wall of a dome-type gas storage chamber based on a rock anchor beam, characterized in that: include: An annular rock anchor beam, wherein the annular rock anchor beam is anchored on the rock; A plurality of hoisting devices, wherein the plurality of hoisting devices are evenly arranged at the upper end of the annular rock anchor beam; An annular work platform, wherein a circumferential array of the annular work platform is provided with a plurality of supporting mechanisms; A plurality of slings, wherein the plurality of slings are arranged in one-to-one correspondence with the plurality of lifting equipment, wherein the first end of the sling is fixedly connected to the annular working platform, and the second end passes through the annular rock anchor beam and cooperates with the lifting equipment; Among them, the lifting equipment cooperates with the sling to drive the annular working platform to rise and fall relative to the annular rock anchor beam; after the annular working platform reaches the preset position, multiple supporting mechanisms are supported on the high side wall, so that the annular working platform generates upward friction under the action of its own weight and the positive pressure of the supporting mechanisms, so as to ensure the stability of the annular working platform during the operation.

2. The device for constructing the side wall of a dome-type gas storage chamber based on rock anchor beams according to claim 1 is characterized in that: The lifting equipment is a continuous jack.

3. The device for constructing the side wall of a dome-type gas storage chamber based on rock anchor beams according to claim 1, characterized in that: The annular working platform comprises: An annular keel, wherein the first ends of the plurality of slings are fixedly connected to the upper end surface of the outer ring of the annular keel; and the plurality of support mechanisms are evenly arranged along the circumference of the annular keel and fixedly mounted on the side end surface of the outer ring of the annular keel; An annular platform panel, the annular platform panel is fixedly mounted on the upper end of the annular keel; A protective component is fixedly mounted on the inner ring end surface of the annular keel.

4. The device for constructing the side wall of a dome-type gas storage chamber based on rock anchor beams according to claim 3 is characterized in that: The supporting mechanism is a hydraulic telescopic member.

5. A method for constructing a side wall of a dome-type gas storage chamber based on a rock anchor beam, characterized in that: The device for constructing the side wall of a dome-type gas storage chamber based on a rock anchor beam according to any one of claims 1 to 4 is adopted, and the construction method comprises the following steps: S10. Preparation; S20, anchoring the annular rock anchor beam on the rock; S30, assembling the annular working platform, and installing the supporting mechanism on the annular working platform; S40, connecting the annular working platform to the annular rock anchor beam through a sling; S50, installing the hoisting equipment on the upper end of the annular rock anchor beam and connecting and cooperating with the sling; through the cooperation between the hoisting equipment and the sling, the overall lifting and lowering of the annular working platform is realized; After the S60-shaped working platform is lifted into place, the force system is changed; the supporting mechanism is supported on the high side wall by extending the supporting mechanism; S70, shorten the supporting mechanism and stably suspend it in the air through the annular rock anchor beam, hoisting equipment and slings; S80, lifting the circular working platform as a whole through hoisting equipment; S90, repeat steps S50-S80 to complete the next cycle; S100, dismantle the device and the construction is completed.

6. The method for constructing the side wall of a dome-type gas storage chamber based on rock anchor beams according to claim 5 is characterized in that: In step S30, an annular keel, an annular platform panel and protective components are assembled to form an annular working platform, and the annular keel is connected to the sling; at the same time, a plurality of supporting mechanisms are installed on the annular keel.

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