CN217838209U - Unloading device suitable for in-hole pressure pipeline - Google Patents

Abstract

The utility model provides a be applicable to pressure pipeline in hole device of unloading, includes at the pre-buried a plurality of stocks in hole top, and per two stocks are a set of, and every stock is connected with respectively pushes away the jar, and it is articulated with the stock to push away jar one end, and the lifting rope is connected through breaking out to the other end that pushes away the jar, and two lifting ropes connect into a total lifting rope through breaking out, and two push away jar drive total lifting rope simultaneously are used for hoisting pressure pipeline. The utility model discloses avoided the hole top to expand to dig, only need punch the installation stock in the side of the hoist and mount position hole that is confirmed, weld the lug on the stock, be connected hydraulic cylinder and lug, reach the purpose of jack-up hoist and mount.

Description

Unloading device suitable for in-hole pressure pipeline

Technical Field

The utility model belongs to the technical field of the pressure steel pipe in the tunnel unloads, in particular to be applicable to pressure pipeline in hole device of unloading.

Background

At present, basic construction projects such as a diversion power generation hydropower station, a pumped storage hydropower station, a water transfer project (in a tunnel) and the like in China all relate to construction operation of installing a pressure steel pipe in the tunnel, and the installation and unloading of the pressure steel pipe are the key points and difficulties of construction of a construction unit. Traditional in-tunnel unloading device comprises hoist engine + sky anchor + assembly pulley etc. and the assembly pulley of sky anchor unloading needs sufficient height just can reach the purpose of unloading, generally need up expand at the hole top and dig, because the selection of sky cat position is relatively fixed, it is very high to this department's country rock geological conditions requirement, and the hole inner space is narrow and small, the excavation, strut, construction cycle such as stock construction cycle is long, it is big to the traffic influence in the hole, the safe risk is great, the cost is higher, and some positions are because of the country rock condition is poor, can't carry out the sky anchor and arrange.

Part of the lifting devices (such as the hydraulic hoisting frame disclosed in CN 2157175Y) use portal frames, wire ropes and jacks for jacking the portal frames, and the scheme is not suitable for unloading the pressure steel pipes in the tunnel.

Disclosure of Invention

In view of the technical problem that the background art exists, the utility model provides a be applicable to pressure pipeline in hole device of unloading, the utility model discloses avoided the hole top to expand to dig, only need punch the installation stock at the side of the hoist and mount position hole that is confirmed, weld the lug on the stock, be connected hydraulic cylinder and lug, reach the purpose of jack-up hoist and mount.

In order to solve the technical problem, the utility model discloses a following technical scheme has been taken and has been realized:

the utility model provides a be applicable to pressure pipeline in hole device of unloading, includes at the pre-buried a plurality of stocks in hole top, and per two stocks are a set of, and every stock is connected with respectively pushes away the jar, and it is articulated with the stock to push away jar one end, and the lifting rope is connected through breaking out to the other end that pushes away the jar, and two lifting ropes connect into a total lifting rope through breaking out, and two push away jar drive total lifting rope simultaneously are used for hoisting pressure pipeline.

In a preferable scheme, the inner wall of the tunnel top is provided with a lifting rope steering wheel, and the lifting rope steering wheel is used for positioning a lifting rope.

In a preferred scheme, the number of the anchor rods is four, and the four anchor rods are distributed in a rectangular shape.

In the preferred scheme, the push cylinder is a hydraulic oil cylinder, and the fixed end of the hydraulic oil cylinder is hinged with the anchor rod.

This patent can reach following beneficial effect:

the utility model discloses avoided the hole top to expand to dig, only needed to punch the installation stock at the side of the hoist and mount position hole top of confirming, the welding lug on the stock is connected hydraulic cylinder with the lug, reaches the purpose of jack-up hoist and mount, and this device installation degree of difficulty is little, and the cycle is short, and is with low costs, and the maintenance is simple, and maneuverability is strong, convenient to use, safe and reliable is worth extensively promoting in the tunnel.

The utility model provides a hole top expand dig the degree of difficulty big, dangerous high, the construction cycle is long, problem such as with high costs. The construction is simple, the cost is low, the safety coefficient is high, and the operability and the practicability are high.

Drawings

The invention will be further explained with reference to the following figures and examples:

FIG. 1 is a first schematic diagram (front view) of the unloading of the present invention;

FIG. 2 is a second schematic diagram (side view) of the unloading of the present invention;

fig. 3 is a state diagram of the lifting rope before unloading the utility model.

In the figure: the anchor rod 1, a lifting rope 2, a shackle 3, a pressure pipeline 4, a lifting rope steering wheel 5 and a push cylinder 6.

Detailed Description

The preferred scheme is as shown in figures 1 to 3, and the unloading device suitable for the pressure pipeline in the hole comprises a plurality of anchor rods 1 which are pre-embedded at the top of the hole, wherein every two anchor rods are in a group, each anchor rod 1 is respectively connected with a push cylinder 6, one end of each push cylinder 6 is hinged to each anchor rod 1, the other end of each push cylinder 6 is connected with a lifting rope 2 through a shackle 3, the two lifting ropes 2 are connected into a main lifting rope through shackles 3, and the two push cylinders 6 simultaneously drive the main lifting rope to lift the pressure pipeline 4. The end of the anchor rod 1 is provided with a lifting lug, and the lifting rope 2 is a steel wire rope.

The inner wall of the tunnel top is provided with a lifting rope steering wheel 5, and the lifting rope steering wheel 5 is used for positioning the lifting rope 2. Before the platform trailer is in place, the lifting rope 2 is wound around the lifting rope steering wheel 5, then the lifting rope 2 is pulled forcefully, so that the push cylinder 6 is steered, and the collision between the push cylinder 6 and the platform trailer is avoided.

Specifically, the number of the anchor rods 1 is four (or a multiple of four), and the four anchor rods 1 are distributed in a rectangular shape. The push cylinder 6 is a hydraulic oil cylinder, and the fixed end of the hydraulic oil cylinder is hinged with the anchor rod 1. According to characteristic parameters (diameter, length and the like) of hoisting objects (such as pressure steel pipes) and actual conditions on site, the arrangement position of the device is determined in a tunnel, then 4 hoisting points are arranged on the top of the tunnel, anchor rods are installed and grouted according to an arrangement diagram, and anti-pulling detection is carried out after anchor rod cement paste reaches the solidification strength. After the detection is qualified, a lifting lug is welded on the anchor rod, and the hydraulic oil cylinder is connected with the lifting lug of the anchor rod through a shackle. The lower end of the oil cylinder is connected with a steel wire rope by adopting a shackle, and the steel wire rope is connected with hoisting objects such as steel pipes. The control of the device adopts the centralized control of the electromagnetic valves, and 4 oil cylinders can be controlled independently and simultaneously. And (4) trial hoisting is carried out before formal hoisting to ensure that 4 points are synchronously and stably lifted. A hydraulic one-way valve is arranged on an oil return pipeline where an oil cylinder piston extends out (the piston descends) (the oil cylinder piston cannot fall under the condition that the oil return pipe is damaged), when the oil cylinder piston needs to extend out, the one-way valve can be opened after an oil inlet pipe at the upper opening of the oil cylinder has pressure, and the oil cylinder can extend out, so that the safety is ensured.

And (3) transporting the steel pipe to an unloading point for unloading by using a platform trailer during steel pipe transportation. The device unloads, presses the full-descending button, firstly extends out the oil cylinder piston (piston descends), and the lower end of the steel wire rope is connected with the steel pipe lifting lug by adopting a shackle. All 4 oil cylinders are connected, a full-lifting button is pressed, a hydraulic system starts to hoist the steel pipe, the flat car is driven away after the steel pipe leaves the flat car, the trolley transported in the hole is moved to the position below the steel pipe, and the full-lowering button is pressed to hoist the steel pipe to the trolley. The steel pipes are transported to each installation position along with the trolley. The hydraulic hoisting device finishes the unloading work in the tunnel.

The utility model discloses the realization need not carry out any expansion to the tunnel and digs, only need connect at hole side-mounting stock, and lifting hydraulic cylinder adopts hoist and mount articles such as wire rope connection steel pipe can accomplish jack-up hoist and mount process. The hydraulic hoisting device consists of an anchor rod, a hydraulic oil cylinder, a hydraulic pipeline, a hydraulic pump station, a steel wire rope, a shackle and the like. The hydraulic hoisting device is designed according to the height required by unloading and hoisting, so that objects such as pressure steel pipes and the like are unloaded from a transport vehicle and are placed on the ground, and the whole hoisting process can be completed quickly and stably. The device has stable and rapid operation, strong operability and practicability, safety and reliability.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims (4)

1. The utility model provides a be applicable to pressure pipeline in hole device of unloading which characterized in that: include at a plurality of anchor rods (1) of hole top pre-buried, per two anchor rods are a set of, and every anchor rod (1) is connected with respectively pushes away jar (6), and it is articulated with anchor rod (1) to push away jar (6) one end, and lifting rope (2) are connected through shackle (3) to the other end that pushes away jar (6), and two lifting rope (2) connect into a total lifting rope through shackle (3), and two push away jar (6) drive total lifting rope simultaneously and be used for hoisting pipeline under pressure (4).

2. The unloading device suitable for the in-hole pressure pipeline as claimed in claim 1, wherein: the inner wall of the tunnel top is provided with a lifting rope steering wheel (5), and the lifting rope steering wheel (5) is used for positioning the lifting rope (2).

3. The unloading device for the in-hole pressure pipeline according to claim 1, wherein: the number of the anchor rods (1) is four, and the four anchor rods (1) are distributed in a rectangular shape.

4. The unloading device for the in-hole pressure pipeline according to claim 1, wherein: the push cylinder (6) is a hydraulic oil cylinder, and the fixed end of the hydraulic oil cylinder is hinged with the anchor rod (1).

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