CN213805574U

CN213805574U - Continuous wall rectangle breaker

Info

Publication number: CN213805574U
Application number: CN202021675485.1U
Authority: CN
Inventors: 陶德明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-07-27
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a continuous wall rectangle breaker, this device replace the rotary cutting wheel on the original milling machine, change into by traditional rotary cutting rock and strike broken rock, this kind of working method's change greatly increased the efficiency of construction, reduced construction cost. Meanwhile, the device is a rectangular crushing head consisting of a plurality of groups of combined impact hammer units, and the rectangular crushing head is fixed on the movable frame; the movable frame is slidably arranged in a lower square frame of the steel frame and is pushed by a hydraulic oil cylinder. During operation, the oil cylinder pushes the movable frame to reciprocate left and right to drive the rectangular crushing head to work, and meanwhile, the impact hammer unit in the rectangular crushing head strikes the rock stratum to realize efficient rock stratum crushing. And simultaneously, the requirements of the construction grooving process are met.

Description

Continuous wall rectangle breaker

Technical Field

The utility model belongs to the underground continuous wall construction in the excavation supporting system is quick, the broken mechanism in efficient hard rock stratum.

Background

With the development of underground engineering in China, continuous wall construction equipment is also developed from a simple mechanical drilling machine to modern machines with various electro-hydraulic integrations nowadays. At present, the related technology for constructing underground continuous walls in soft soil layers at home and abroad has been well developed, but the construction technology in hard strata such as gravels, boulders or rocks is still in an imperfect stage. The equipment commonly used in China at present is mainly a technology introduced abroad, and mainly comprises: hydraulic grab buckets (mostly needing percussion drilling machine matching) and hydraulic double-wheel slot milling and milling machines. The equipment has high cost, low construction efficiency and high failure rate, and particularly has very low construction efficiency and very high construction cost when the equipment touches bedrock. The utility model discloses a technique has filled the blank of the high-efficient construction equipment of world continuous wall processing basement rock problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a with low costs, underground continuous wall construction machine that efficiency of construction is high constructs. On the basis of the milling machine of the traditional double-wheel slot milling machine, the rotary broken rock of the original cutting wheel of the milling machine is changed into a mode that a left-right moving impact hammer impacts the broken rock, so that the construction efficiency can be greatly improved. Meanwhile, a rectangular crushing head formed by a plurality of groups of combined impact hammer units strikes the cross section of the grooving in a reciprocating motion mode, so that the technical requirement of the grooving construction is met.

The utility model discloses a technical scheme be hard rock layer continuous wall construction mechanism, including steel frame 1, remove frame 2, go up slide 3, lower slide 4, remove hydro-cylinder 5 and the broken head 6 of rectangle.

The upper slideway 3 and the lower slideway 4 are arranged at the middle lower part of the steel frame 1 in parallel up and down, and the movable frame 2 can horizontally slide between the upper slideway 3 and the lower slideway 4; the movable frame 2 and the rectangular crushing head 6 are connected into an integral structure by adopting a screw rod; one end of a plurality of groups of moving oil cylinders 5 is connected with the integral upper moving frame 2 and the lower rectangular crushing head 6 by a pin shaft, and the other end of the plurality of groups of moving oil cylinders 5 is connected with the steel frame 1 by a pin shaft (see figure 2). When the movable oil cylinder 5 stretches, the rectangular crushing head 6 and the movable frame 2 are connected through bolts and slide relative to the steel frame 1, the rectangular crushing head 6 strikes a crushed rock stratum, the rock stratum is crushed while being moved, one-time circular movement is completed, a rectangular construction cross section is crushed, and construction footage is achieved.

Furthermore, the cross section after construction is a rectangular surface, so that the straightness and the vertical ton of the wall body are ensured, and the construction requirement is met.

Further, the movable oil cylinders 5 are divided into an upper group and a lower group, the upper group is connected with the movable frame 2, and the lower group is connected with the rectangular crushing head 6, so that the movable frame 2 and the rectangular crushing head 6 move integrally and synchronously to prevent inclination (see fig. 2).

Further, the mud pumps 8 correspond one-to-one to the rectangular crushing heads 6, namely: the left slurry pump 8 is connected with the left rectangular crushing head 6 through a rubber tube, and the right slurry pump 8 is connected with the right rectangular crushing head 6 through a rubber tube, so that construction slag pumping is guaranteed (see figure 1).

Furthermore, the two groups of rectangular crushing heads 6 are arranged, and the two groups of rectangular crushing heads 6 are respectively arranged at two sides of the steel frame 1; the initial position is arranged on the outer side of the steel frame 1 and is pushed by a hydraulic oil cylinder to move linearly from outside to inside; the overall dimension of the rectangular crushing head 6 is consistent with the dimension of the diaphragm wall or square pile foundation construction, 1/4 with the outer dimension equal to the dimension of the diaphragm wall construction groove is arranged on the crushing hammer head of the rectangular crushing head 6, so that once movement is completed, the cross section crushing is completed once, and the construction efficiency is improved (see figure 5).

Further, the rectangular crushing head 6 can reciprocate left and right and is pushed by a hydraulic oil cylinder, and the two groups of square crushing devices can move simultaneously or independently.

Further, the rectangular crushing head 6 is formed by arranging three or more combined impact hammer units in parallel, wherein the impact hammer units are hydraulic impact hammers or pneumatic impact hammers (see fig. 6).

Further, the actuator for moving the moving frame 2 can employ a reduction belt chain, or a rack and pinion mechanism, or a similar reciprocating mechanism.

Furthermore, in order to ensure that the movable frame 2 can slide in the slide way at the lower part of the steel frame in a balanced way, a plurality of groups of hydraulic oil cylinders are adopted for pushing.

The utility model has the advantages that the underground diaphragm wall construction mechanism changes the rock crushing mode and strikes the rock in an impact crushing mode on the basis of the traditional double-wheel milling mechanism; install multiunit combination jump bit unit on the novel rectangle breaker, increase the strike area to rectangle breaker's broken tup arranges that the external dimension equals 1/4 of diaphragm wall construction grooving size, accomplishes one-time motion like this, just accomplishes a cross section breakage, improves the efficiency of construction.

Drawings

Fig. 1 is a general view of a continuous wall construction mechanism.

Fig. 2 is a front view of the continuous wall construction machine (and a rectangular crushing head working start position).

Figure 3 is a side view of a continuous wall construction mechanism.

Fig. 4 is a bottom view of the diaphragm wall construction mechanism.

Fig. 5 is a top view of a continuous wall construction mechanism.

Fig. 6 is a sectional view of a rectangular crushing head.

Fig. 7 is a view of the working end position of the rectangular crushing head.

In the figure: 1. the device comprises a steel frame, 2, a moving frame, 3, an upper slideway, 4, a lower slideway, 5, a moving oil cylinder, 6, a rectangular crushing head, 7, a deviation correcting device and 8, and a slurry pumping pump.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

In the current technical implementation scheme, circular crushing mainly comprises drilling a circular pile hole, rotating and centering, and rotating and repeatedly crushing; square breakage mainly is the diaphragm wall grooving, needs sharp limit and the clear angle of right angle part, and general groove size is 1000mm wide, 2500mm long, makes the square groove into the hard rock, is not simple to draw circularly squarely, the utility model discloses not only strike broken equipment and use, also be the new equipment of diaphragm wall construction. Circular crushing one-time impact strikes the whole construction plane, while rectangular crushing cannot be carried out, and the construction area is too large (1000 multiplied by 2500), so that a reciprocating motion structure needs to be added to move and crush the whole plane. The utility model discloses current cutting the footage mode, change into and strike broken mode, this kind of mode is used at the construction face of rectangle. The core of the utility model is that the construction equipment with high efficiency, high speed and low cost is arranged in the actual construction, and the construction of the existing domestic and foreign continuous wall is completed.

The hard rock stratum continuous wall construction mechanism is a continuous wall rectangular crushing device, and the rectangular crushing device comprises a steel frame 1, a moving frame 2 and a combined impact hammer unit; the lower part of the steel frame 1 is of a parallelogram structure, an upper slide 3 and a lower slide 4 are respectively arranged on the upper part and the lower part of the parallelogram structure, a moving frame 2 is respectively arranged on two sides of the parallelogram structure, a rectangular crushing head 6 is fixed on the moving frame 2 through bolts, and a moving oil cylinder 5, the rectangular crushing head 6 and the moving frame 2 are connected through pin shafts.

The two groups of rectangular crushing heads 6 are arranged, and the two groups of rectangular crushing heads 6 are respectively arranged at two sides of the steel frame 1; the overall dimension of the rectangular crushing head 6 is consistent with the dimension of the continuous wall or rectangular pile foundation construction; the crushing heads of the rectangular crushing head 6 are arranged with 1/4 the outer dimension of which is equal to the dimension of the continuous wall construction grooving.

The rectangular crushing head 6 is pushed by a hydraulic oil cylinder and can reciprocate left and right.

The rectangular crushing head 6 is formed by arranging three or more combined impact hammer units in parallel; the combined impact hammer unit is a hydraulic impact hammer or a pneumatic impact hammer.

The actuating mechanism for pushing the moving frame 2 to move is pushed by an oil cylinder, and can also adopt a power source for providing reciprocating motion.

One part of the mechanism comprises a deviation correcting device, a hydraulic valve box, an electric cabinet, a slurry pump and the like in the milling machine of the traditional hydraulic double-wheel slot milling machine, and plays a necessary role in construction assistance. The other part comprises power and working devices of the rectangular crushing device.

As shown in figures 1-7, during operation, the continuous wall construction mechanism connects the steel frame 1 to the ground power matrix through a drill rod or a steel wire rope, the continuous wall construction mechanism is vertically placed on an underground construction part, the rectangular crushing head 6 is positioned on the outermost side (figure 2 position), the impact hammer is started, impact force acts on a rock stratum contact surface, and impact crushing is achieved. Simultaneously, the movable oil cylinder 5 pulls the movable frame 2 and the rectangular crushing head 6 to realize the linear motion of the rectangular crushing head 6 from outside to inside, when the stroke of the movable oil cylinder 5 is finished, just in time, the rectangular crushing head 6 moves one striking surface, and the two rectangular crushing devices just in time cover the cross section of the groove formed in the continuous wall. When the movable oil cylinder 5 returns to the extending state again, the continuous wall construction mechanism completes one construction. Broken crushed gravels are struck and sucked into the mud pump 8 through a slag suction pipe, and are discharged to the ground from a slag outlet of the mud pump 8 along the inside of the drill rod.

Claims

1. Continuous wall rectangle breaker, its characterized in that: the rectangular crushing device comprises a steel frame (1), a movable frame (2) and a rectangular crushing head (6); the lower part of the steel frame (1) is of a parallelogram structure, the upper part and the lower part of the parallelogram structure are respectively provided with an upper slideway (3) and a lower slideway (4), two sides of the parallelogram structure are respectively provided with a movable frame (2), a rectangular crushing head (6) is fixed on the movable frame (2) through bolts, and a movable oil cylinder (5), the rectangular crushing head (6) and the movable frame (2) are connected by using a pin shaft; the movable oil cylinders (5) are divided into an upper group and a lower group, the upper group is connected with the movable frame (2), and the lower group is connected with the rectangular crushing head (6), so that the movable frame (2) and the rectangular crushing head (6) move integrally and synchronously; the rectangular crushing head (6) is initially arranged on the outer side of the whole device and linearly moves from outside to inside to finish one-time movement, and the cross section is crushed once; the cross section is a rectangular cross section, and the construction requirements of the continuous wall are met.

2. A continuous wall rectangular crushing apparatus according to claim 1 wherein: the two groups of rectangular crushing heads (6) are arranged, and the two groups of rectangular crushing heads (6) are respectively arranged on two sides of the steel frame (1); driven by a hydraulic oil cylinder to reciprocate left and right; the overall dimension of the rectangular crushing head (6) is consistent with the dimension of the construction of a continuous wall or square pile foundation; the crushing heads of the rectangular crushing head (6) are arranged with 1/4 the outer size of which is equal to the size of the groove formed by the continuous wall construction.

3. A continuous wall rectangular crushing apparatus according to claim 1 or 2, wherein: the cross section after construction is a rectangular surface, and the construction requirements are met.

4. A continuous wall rectangular crushing apparatus according to claim 2 wherein: the rectangular crushing head (6) can reciprocate left and right to move the crushing rectangular section, so that the construction size is ensured.

5. A continuous wall rectangular crushing apparatus according to claim 4 wherein: the rectangular crushing heads (6) are arranged in parallel by three or more combined impact hammer units; the impact hammer unit is a hydraulic impact hammer or a pneumatic impact hammer.

6. A continuous wall rectangular crushing apparatus according to claim 2 wherein: an actuating mechanism for pushing the movable frame (2) to move adopts an oil cylinder for pushing.

7. A continuous wall rectangular crushing apparatus according to claim 2 or 4 wherein: the actuating mechanism for pushing the moving frame (2) to move can adopt a speed reducer with a chain or a gear rack mechanism.

8. A continuous wall rectangular crushing apparatus according to claim 1 wherein: in order to ensure that the movable frame (2) can slide in a slide way at the lower part of the steel frame to be balanced, a plurality of groups of hydraulic oil cylinders are adopted for pushing.

9. A continuous wall rectangular crushing apparatus according to claim 5 wherein: the mud pumps (8) correspond to the rectangular crushing heads (6) one by one.