Grouting construction device for small-section underground vertical shaft

Abstract

The utility model relates to the technical field of water conservancy and hydropower construction, and provides a grouting construction device for a small-section underground vertical shaft. The left end and the right end of the steel cross beam are fixedly welded with the anchor rods, the hydraulic center hole jack is arranged at the top of the steel cross beam and fixedly connected with the top of the steel cross beam through bolts, and the grouting platform is installed at the bottom of the small tail water pressure regulating well; the steel strand penetrates to the top of the hydraulic cross-core jack from an anchoring point of the grouting platform, and the hydraulic control system is arranged at the bottom of the tail water pressure-regulating large well and controls the hydraulic cross-core jack to climb to lift the grouting platform by the steel strand to perform grouting operation; the hydraulic center hole jack is controlled by the hydraulic control system to climb the steel strand to lift the grouting platform for grouting operation; the safety of constructors is guaranteed, the structure is simple, and disassembly and assembly are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy and hydropower construction technical field especially a small section underground vertical shaft grouting construction device. BACKGROUND

[0002] At present, the pumped storage industry in China has entered a fast track of development, and a large number of projects have entered a new peak of construction, and the tail water shaft is a conventional part of the function structure design of the pumped storage power station. The construction safety has always been the focus of the construction of the pumped storage power station. The traditional small section vertical shaft grouting is carried out by setting up a scaffold from bottom to top for grouting operation, which has the problems of high construction difficulty, high labor intensity, poor on-site construction environment, high safety risk and the like. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the problems of the prior art, and provides a small section underground vertical shaft grouting construction device to improve the on-site construction environment and reduce the construction difficulty and labor intensity.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A small section underground vertical shaft grouting construction device comprises two steel cross beams arranged at the top of a tail water pressure regulating small well, a hydraulic through-hole jack arranged above the steel cross beam, and a grouting platform arranged below the steel cross beam; the grouting platform is connected with the hydraulic through-hole jack through a steel strand; the hydraulic through-hole jack is connected with a hydraulic control system; the two steel cross beams are arranged in parallel, and at least two groups of hydraulic through-hole jacks are arranged on each steel cross beam.

[0006] Preferably, the hydraulic through-hole jack is connected with the steel cross beam through bolts, the grouting platform bottom is provided with an anchoring point connected with the steel strand, the steel strand passes through the anchoring point of the grouting platform to the top of the through-hole hydraulic jack, and the hydraulic control system is placed at the bottom of the large well.

[0007] Preferably, the grouting platform top is provided with a plurality of guide wheels, the guide wheel bodies abut against the tail water pressure regulating small well, and the grouting platform can slide up and down along the tail water pressure regulating small well.

[0008] Preferably, the steel cross beam comprises two parallel arranged profile steels, steel plates fixedly connected with the upper and lower ends of the two profile steels respectively, and a web plate arranged between the profile steel and the steel plate.

[0009] Preferably, the left and right ends of the steel cross beam are fixedly connected with anchor rods, and the anchor rods are arranged at the well mouth of the tail water pressure regulating small well.

[0010] The utility model discloses a small section underground vertical shaft grouting construction device has the following beneficial effects.

[0011] The utility model discloses a steel crossbeam is equipped at the top of tail water pressure regulating small well, and the left and right ends of steel crossbeam are welded and fixed with anchor rod, and hydraulic through -type jack is arranged on the top of steel crossbeam and adopts bolt connection fixed, and grouting platform is installed at the bottom of tail water pressure regulating small well, and four anchor points are arranged at the bottom of grouting platform, and steel strand is passed to the top of hydraulic through -type jack from the anchor point of grouting platform, and hydraulic control system is arranged at the bottom of tail water pressure regulating big well, and hydraulic control system controls hydraulic through -type jack to climb steel strand and promotes grouting platform to carry out grouting operation, and the construction difficulty, safety risk and other problems of traditional small section underground vertical shaft erecting scaffold for grouting operation are solved, and compared with the existing erecting scaffold mode, the construction efficiency is improved, the safety of construction personnel is guaranteed, the structure is simple and stable, and the dismounting is convenient, and the existing artificial erecting scaffold is improved to be mechanized, semi -automatic vertical shaft grouting construction, and the efficiency and safety of vertical shaft grouting construction are improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the front view structural schematic diagram of the utility model.

[0013] Figure 2 It is the top view structural schematic diagram of the utility model.

[0014] Figure 3 It is the steel crossbeam section structural schematic diagram of the utility model.

[0015] Figure 4 It is Figure 2 It is the local amplification structural schematic diagram of A place in the middle.

[0016] In the drawings, 1, grouting platform, 2, steel crossbeam, 21, section steel, 22, steel plate, 23, web, 3, hydraulic control system, 4, hydraulic through -type jack, 5, steel strand, 6, anchor rod, 7, guide pulley, 8, tail water pressure regulating small well, 9, tail water pressure regulating big well. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0018] In the description of the utility model, need understanding is, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and so on indicate the orientation or positional relation is based on the orientation or positional relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply that the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the limitation to the utility model. Embodiment

[0019] Refer to Figures 1 to 4 A small cross section underground vertical shaft grouting construction device, it includes: two set in tail water pressure regulating small well 8 top steel crossbeam 2, set in steel crossbeam 2 top hydraulic through core type jack 4, set in steel crossbeam 2 below grouting platform 1, grouting platform 1 is connected with hydraulic through core type jack 4 by steel strand 5, hydraulic through core type jack 4 is connected with hydraulic control system 3, two steel crossbeams 2 are arranged in parallel, at least two groups of hydraulic through core type jacks 4 are provided on each steel crossbeam 2, in the embodiment, the length of steel crossbeam 2 is 6 m, the width is 0.45 m, and the height is 0.45 m.

[0020] Refer to Figure 1 And Figure 2 As preferred, in the embodiment, the hydraulic through core type jack 4 is connected with the parallel type welded steel crossbeam 2 by bolt, the grouting platform 1 bottom is provided with anchor point and is connected with steel strand 5, the steel strand 5 is from grouting platform 1 anchor point and is worn to the top of through core type hydraulic jack, the hydraulic control system 3 is placed in tail water pressure regulating large well 9 well bottom, the hydraulic control system 3 controls hydraulic through core type jack 4 to climb steel strand 5 and promotes grouting platform 1 to carry out grouting operation, the grouting platform 1 is full-paved 5 cm board, and the board is fixedly connected with the grouting platform 1.

[0021] Refer to Figure 1 , Figure 2 And Figure 4, as preferred, in the embodiment, the grouting platform 1 is provided with several guide wheels 7 on the top, the wheel bodies of the guide wheels 7 abut against the tail water pressure regulating small well 8, the grouting platform 1 can slide up and down along the tail water pressure regulating small well 8, in the embodiment, the grouting platform 1 is made of channel steel and steel plates 22 spliced by bolts, the grouting platform 1 is an octagonal frame, the inside of the frame is connected by square tubes, four anchoring points are arranged on the bottom of the grouting platform 1, the steel strands 5 pass through the top of the hydraulic through-hole jack 4 from the anchoring points of the grouting platform 1, after installation, the grouting platform 1 needs to be ensured to be horizontal, the force of the four steel strands 5 is uniform, in the embodiment, the grouting platform 1 is lifted by four TS40D-300 type numerical control jacks, the outer dimensions are 310mm*310mm*1841mm, the climbing steel strands 5 need to be fixed with the small well mouth steel cross beam 2; the specifications of the four steel strands 5 are 1*7-15.2-1470, during the installation of the hydraulic through-hole jack 4, a steel reinforcement outer hoop is adopted for protection to prevent tilting.

[0022] Referring to Figure 4 , as preferred, in the embodiment, the steel cross beam 2 comprises: two parallel arranged profile steels 21, steel plates 22 fixedly connected with the upper and lower ends of the two profile steels 21 respectively, web plates 23 arranged between the profile steels 21 and the steel plates 22, the steel cross beam 2 is a rectangular frame structure composed of two profile steels 21+ steel plates 22+ web plates 23.

[0023] Referring to Figure 1 , Figure 2 and Figure 4 , as preferred, in the embodiment, the left and right ends of the steel cross beam 2 are fixedly connected with anchor rods 6, the anchor rods 6 are arranged at the well mouth of the tail water pressure regulating small well 8.

[0024] In use, the construction personnel perform drilling and grouting operation on the grouting platform 1, after the grouting of each row of grouting holes is completed, the hydraulic control system 3 controls the hydraulic through-hole jack 4 to climb the steel strands 5, drives the grouting platform 1 to the position of the previous row of holes, and performs the next drilling and grouting operation.

[0025] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this. The substitution can be the substitution of part of the structure, device, method step, or the complete technical scheme. According to the technical scheme of the utility model and the utility model concept, equivalent substitution or change should be covered in the protection scope of the utility model.

Claims

1. A small cross-section underground shaft grouting construction device, characterized by, The utility model relates to a tail water pressure regulating small well grouting platform, including: Two steel cross beams (2) arranged on the top of tail water pressure regulating small well (8), hydraulic through -type jack (4) arranged above steel cross beam (2), grouting platform (1) arranged below steel cross beam (2), grouting platform (1) is connected with hydraulic through -type jack (4) through steel strand (5), hydraulic through -type jack (4) is connected with hydraulic control system (3), two steel cross beams (2) are arranged in parallel, and at least two groups of hydraulic through -type jack (4) are arranged on each steel cross beam (2).

2. A small cross section underground shaft grouting construction device according to claim 1, characterized in that, The hydraulic through -type jack (4) is connected with steel cross beam (2) through bolt, the grouting platform (1) bottom is provided with anchor point and is connected with steel strand (5), the steel strand (5) is passed to the top of through -type hydraulic jack from the grouting platform (1) anchor point, the hydraulic control system (3) is placed at the bottom of big well.

3. A small cross section underground shaft grouting construction device according to claim 1, characterized in that, The top of grouting platform (1) is equipped with several guide pulleys (7), and the guide pulley (7) wheel body is in abutment with tail water pressure regulating small well (8), and grouting platform (1) can slide up and down along tail water pressure regulating small well (8).

4. A small cross section underground shaft grouting construction device according to claim 1, characterized in that, The steel cross beam (2) includes: two parallelly-arranged profile steels (21), steel plates (22) fixedly connected with the upper and lower ends of the two profile steels (21) respectively, and webs (23) arranged between the profile steels (21) and the steel plates (22).

5. A small cross section underground shaft grouting construction device according to claim 1 or 4, characterized in that, The left and right ends of the steel cross beam (2) are fixedly connected with anchor rods (6), and the anchor rods (6) are arranged at the wellheads of the tail water pressure regulating small wells (8).

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