Device for recovering concrete well pipe of dewatering well and using method thereof
阅读说明:本技术 一种回收降水井混凝土井管的装置及其使用方法 (Device for recovering concrete well pipe of dewatering well and using method thereof ) 是由 彭步海 白汉民 张雨生 于 2019-10-23 设计创作,主要内容包括:本发明提供一种回收降水井混凝土井管的装置,包括:支架,所述支架设置于井口;吊装装置,所述吊装装置设置于所述支架上;抓具,所述抓具包括剪刀撑、加强筋板、触足,所述加强筋板设置于所述剪刀撑底部,所述触足设置于所述加强筋板上,用于抓住所述混凝土井管。本发明还提供一种上述装置的使用方法,首先于所述降水井的井口架设所述支架,于所述支架上安放所述倒链,于所述倒链上挂设所述副吊绳;将所述抓具组装好,将所述抓具下放伸入进所述混凝土井管内;所述触足受张力抓住所述混凝土井管管壁将其提出。该方法成本较低,循环使用次数高,节材节能,创造较大的社会效益。(The invention provides a device for recovering a concrete well pipe of a dewatering well, which comprises: the support is arranged on a wellhead; the hoisting device is arranged on the bracket; the gripping apparatus comprises a cross brace, a reinforcing rib plate and a touch foot, wherein the reinforcing rib plate is arranged at the bottom of the cross brace, and the touch foot is arranged on the reinforcing rib plate and used for gripping the concrete well pipe. The invention also provides a using method of the device, firstly, the support is erected on the wellhead of the dewatering well, the chain block is placed on the support, and the auxiliary lifting rope is hung on the chain block; the gripping apparatus is assembled, and the gripping apparatus is lowered and extended into the concrete well pipe; the touch foot is tensioned to grab the wall of the concrete well pipe and lift the concrete well pipe. The method has the advantages of low cost, high recycling frequency, material and energy saving and great social benefit creation.)
1. An apparatus for recovering precipitation well concrete well pipe, comprising:
the support is arranged on a wellhead and used for fixing the device;
the hoisting device is arranged on the support and comprises a chain block, a main hoisting rope and an auxiliary hoisting rope, the chain block is arranged on the support, the bottom of the chain block is provided with a chain block lifting hook, and the main hoisting rope and the auxiliary hoisting rope are connected with the chain block through the chain block lifting hook;
the gripping apparatus comprises a bridging device body, the gripping apparatus body comprises a bridging device body, reinforcing rib plates and a contact foot, the reinforcing rib plates are arranged at the bottom of the bridging device body, the contact foot is arranged on the reinforcing rib plates and used for grasping the concrete well pipe, a hoisting hole is formed in the top end of the bridging device body, and the gripping apparatus body is connected with the main hoisting rope through the hoisting hole.
2. The apparatus for recovering dewatering well concrete well pipe according to claim 1, wherein: the cross brace comprises two arc-shaped steel plates which are axisymmetrically arranged, and the arc-shaped steel plates are respectively a first steel plate and a second steel plate, and the first steel plate and the second steel plate are X-shaped.
3. The apparatus for recovering dewatering well concrete well pipe according to claim 2, wherein: first steel sheet 3/4 and 4/5 department is provided with two regulation hole A, second steel sheet 3/4 and 4/5 department also is provided with two regulation hole B, first steel sheet with the second steel sheet passes through bolted connection, the bolt inserts in proper order regulation hole A with regulation hole B realizes connecting.
4. The apparatus for recovering dewatering well concrete well pipe according to claim 2, wherein: the reinforcing rib plates comprise two arc-shaped steel plates which are arranged in an axial symmetry mode, and the arc-shaped steel plates are respectively a first reinforcing rib plate and a second reinforcing rib plate, and a connecting hole is formed between the first reinforcing rib plate and the second reinforcing rib plate and used for connecting the first steel plate with the first reinforcing rib plate and connecting the second steel plate with the second reinforcing rib plate.
5. The apparatus for recovering dewatering well concrete well pipe according to claim 4, wherein: the arc both ends of first strengthening rib set up two respectively touch the foot, the arc both ends of second strengthening rib set up two respectively touch the foot, touch on the foot through the welding steel nail realize with deep floor's connection.
6. The apparatus for recovering dewatering well concrete well pipe according to claim 5, wherein: rubber pads with the thickness of 2mm are wedged into the contact feet, and the rubber pads are used as pipe wall contact surfaces of the concrete well pipe, so that friction is increased.
7. The apparatus for recovering dewatering well concrete well pipe according to claim 6, wherein: the radian convex surface of the touch foot is consistent with the radian of the concave pipe wall of the concrete well pipe, and the shape of the convex surface is matched with that of the concave pipe wall of the concrete well pipe.
8. The apparatus for recovering dewatering well concrete well pipe according to claim 5, wherein: three rows of steel nails are uniformly welded on the touch foot, and the length of the steel nails is 50 mm.
9. The apparatus for recovering dewatering well concrete well pipe according to claim 3, wherein: the upper end of the first steel plate is provided with a clamping groove, and the second steel plate penetrates through the clamping groove to be fixedly connected with the first steel plate and is used for fixing the first steel plate and the upper half part of the second steel plate.
10. A method of using a device for recovering dewatering well concrete well pipes according to any of claims 1 to 9, characterized in that:
erecting the support at the wellhead of the dewatering well, placing the chain block on the support, and hanging the auxiliary lifting rope on the chain block;
b, assembling the gripping apparatus, connecting the first steel plate and the second steel plate through the adjusting holes according to the diameter of the concrete well pipe, wherein the connecting point of the first steel plate and the second steel plate is a lower lifting point when the assembly is finished;
c, the other end of the auxiliary lifting rope is connected with the lower lifting point, and the gripping apparatus is lowered to extend into the concrete well pipe;
d, hooking the main lifting rope into the lifting hole, removing the auxiliary lifting rope, opening the cross braces along with hooks at two ends of the main lifting rope, and grabbing the wall of the concrete well pipe by the touch feet under tension;
e: and hoisting the concrete well pipe by using the inverted chain, lifting the well mouth, and recovering the concrete well pipe.
Technical Field
The invention belongs to the field of underground engineering dewatering and drainage, and particularly relates to a device and a method for recovering a concrete well pipe of a dewatering well.
Background
A plurality of precipitation wells are required to be built for precipitation in underground construction dewatering and drainage construction, at present, the tube well precipitation is a precipitation mode which is common in application and relatively mature in technology, and when the tube well precipitation is adopted, steel tubes, cast iron tubes, cement tubes, plastic tubes and the like are generally adopted in the prior art. Although the well pipe made of the steel pipe or the cast iron pipe has high strength and good water outlet effect, a large amount of gravel is extruded around the well pipe after the foundation pit is finished, so that the well pipe is disposable, is not easy to recover and can not be recycled, certain resource waste is caused, and the requirement of environmental protection cannot be met while the cost is high. Therefore, on the premise of meeting the requirement of foundation pit dewatering, a device and a method for recycling the concrete well pipe of the dewatering well are developed.
Disclosure of Invention
In order to solve the technical problems, the invention provides a device for recovering the dewatering well concrete well pipe and a using method of the device for recovering the dewatering well concrete well pipe.
The technical scheme adopted by the invention is as follows: an apparatus for recovering precipitation well concrete well pipe, comprising: the support is arranged on a wellhead and used for fixing the device; the hoisting device is arranged on the support and comprises a chain block, a main hoisting rope and an auxiliary hoisting rope, the chain block is arranged on the support, the bottom of the chain block is provided with a chain block lifting hook, and the main hoisting rope and the auxiliary hoisting rope are connected with the chain block through the chain block lifting hook; the gripping apparatus comprises a bridging device body, the gripping apparatus body comprises a bridging device body, reinforcing rib plates and a contact foot, the reinforcing rib plates are arranged at the bottom of the bridging device body, the contact foot is arranged on the reinforcing rib plates and used for grasping the concrete well pipe, a hoisting hole is formed in the top end of the bridging device body, and the gripping apparatus body is connected with the main hoisting rope through the hoisting hole.
Further, the cross brace comprises two arc-shaped steel plates which are arranged in an axisymmetric mode and are respectively a first steel plate and a second steel plate, and the first steel plate and the second steel plate are X-shaped.
Further, the
Furthermore, the reinforcing rib plates comprise two arc-shaped steel plates which are arranged in an axisymmetric manner, and the arc-shaped steel plates are respectively a first reinforcing rib plate and a second reinforcing rib plate, and a connecting hole is respectively formed between the first reinforcing rib plate and the second reinforcing rib plate and is used for connecting the first steel plate with the first reinforcing rib plate and connecting the second steel plate with the second reinforcing rib plate.
Furthermore, the arc-shaped two ends of the first reinforcing rib are respectively provided with two touch feet, the arc-shaped two ends of the second reinforcing rib are respectively provided with two touch feet, and the touch feet are connected with the reinforcing rib plates through welding steel nails.
Furthermore, rubber pads with the thickness of 2mm are wedged into the contact feet, and the rubber pads are used as pipe wall contact surfaces of the concrete well pipe, so that friction is increased.
Furthermore, the radian convex surface of the touch foot is consistent with the radian of the concave pipe wall of the concrete well pipe, and the shape of the convex surface is matched with that of the concave pipe wall of the concrete well pipe.
Further, three rows of steel nails are uniformly welded on the touch foot, and the length of each steel nail is 50 mm.
Furthermore, a clamping groove is formed in the upper end of the first steel plate, and the second steel plate penetrates through the clamping groove to be fixedly connected with the first steel plate and used for fixing the first steel plate and the upper half part of the second steel plate.
In order to achieve the purpose, the invention also provides a using method of the device for recovering the concrete well pipe of the dewatering well,
firstly, erecting the support on a wellhead of the dewatering well, placing the chain block on the support, and hanging the auxiliary lifting rope on the chain block; then, the gripping apparatus is assembled, the first steel plate and the second steel plate are connected through the adjusting holes according to the diameter of the concrete well pipe, and a connecting point of the first steel plate and the second steel plate is a lower lifting point when the assembly is completed; then, the other end of the auxiliary lifting rope is connected with the lower lifting point, and the gripping apparatus is lowered and extended into the concrete well pipe; then, the main lifting rope is hooked in the lifting hole, the auxiliary lifting rope is taken off, the cross braces are opened along with the hooking of the two ends of the main lifting rope, and the contact feet grasp the wall of the concrete well pipe under tension; and finally, hoisting the concrete well pipe by using the chain block, lifting the well mouth, and recovering the concrete well pipe.
The invention has the advantages and positive effects that: by adopting the technical scheme, the method is simple, convenient and practical, the self-made gripping apparatus is used, the structure is simple, the material selection is convenient, the cost is lower, the recycling frequency is high, the purpose of recycling the well pipe repeatedly can be achieved, the material and the energy are saved, the clamp can be flexibly adjusted according to the weight and the size of the dewatering well, the device is light in weight, strong in adaptability, convenient for field construction and application, and can be widely popularized and used, and great social benefits are created.
Drawings
FIG. 1 is a schematic front view of the auxiliary hoist line connection gripper of the present invention lowered into a concrete well pipe
FIG. 2 is a schematic front view of the main hoist rope attachment gripper of the present invention lifting a concrete well tubular
FIG. 3 is an enlarged front view of the gripper of the present invention
FIG. 4 is an enlarged view of a steel nail for setting a foot contact according to the present invention
FIG. 5 is a side schematic view of FIG. 4
FIG. 6 is a schematic side view of the connection of the first steel plate to the upper half of the second steel plate according to the present invention
In the figure:
1. support 2,
4.
7.
10.
13. First reinforcing
16. Clamping
Detailed Description
Embodiments of the present invention will be described below with reference to the accompanying drawings.
In describing the embodiments of the present invention, the perspective view of fig. 1 is defined as a front view of an apparatus for recovering precipitation well concrete well pipes. In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "back", "outside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Referring to fig. 1, the device for recovering the concrete well pipe of the dewatering well comprises a bracket 1, a hoisting device and a
Referring to fig. 3, the front enlarged schematic view of the gripping apparatus of the present invention includes a bridging member, a reinforcing rib plate, and a contact foot, wherein the reinforcing rib plate is disposed at the bottom of the bridging member, and the contact foot is disposed on the reinforcing rib plate and is used for gripping a
Referring to fig. 6, which is a schematic side view of a connection manner of the upper half portions of the
The arc both ends of first strengthening
The following describes a method for using the device for recovering the concrete well pipe of the dewatering well according to the present invention with reference to specific examples.
Referring to the invention shown in fig. 1, when an auxiliary lifting rope 4 is connected with a
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
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