CN216406851U - A corrugated steel plate grabbing device - Google Patents

Abstract

The utility model relates to a corrugated steel plate grabbing device, which comprises a plate body, the upper part of the plate body is connected with a frame body, the frame body is sleeved inside an installation cover, the installation cover is connected to the corrugated steel plate, and the inside of the frame body is provided with a frame body. The push assembly includes a plurality of push blocks, each of which can slide along the frame, and a push cavity is formed between the plurality of push blocks, a lifting rod is connected to the lower part of the plate body, and a push rod is formed on the upper part of the lifting rod The push portion is inserted into the push cavity, the push portion is in the shape of a polygonal pyramid, and the lower part of the lift rod is connected with the driving device. The utility model has the advantages of inconvenient operation, greatly improves the grasping reliability, is beneficial to ensure the operation safety, and is also beneficial to improve the grasping efficiency.

Description

A corrugated steel plate grabbing device

technical field

The utility model relates to the technical field of tunnel construction, in particular to a corrugated steel plate grabbing device.

Background technique

A tunnel is a road formed by excavating or excavating rocks underground for the passage of vehicles. For mountainous areas, tunnels are an important construction facility for transportation. With the development of infrastructure and transportation technology, the mileage of tunnels in my country continues to increase. With the increasing number of new tunnels, there are also many extra-long tunnels and long tunnels. Therefore, it has become more and more important to improve the service life of tunnels and improve the efficiency of tunnel construction.

During tunnel construction, corrugated steel plate linings generally need to be installed inside the tunnel for reinforcement. The steel corrugated plate inside the tunnel can play the role of a protective cover, which can prevent the tunnel from collapsing or deforming, improve the service life of the tunnel, and can also effectively Prevent the structural damage in the tunnel disease area or threaten the driving safety in the tunnel, and avoid causing safety accidents and threatening the safety of pedestrians.

When installing the corrugated steel plates in the existing row, it is usually necessary to grab the corrugated steel plates to install and splice them one by one until the construction of the entire tunnel is completed. Due to the large size and weight of corrugated steel plates, it is usually necessary to use a grabbing device for operation. However, the existing grabbing device is inconvenient to operate and has poor grabbing reliability, which cannot meet the needs of tunnel construction.

Utility model content

Therefore, the technical problem to be solved by the present invention is to overcome the defects of inconvenient operation and poor grasping reliability of the corrugated steel plate grasping device in the prior art.

In order to solve the above technical problems, the utility model provides a corrugated steel plate grabbing device, comprising a plate body, a frame body is connected to the upper part of the plate body, and the frame body is used to be sleeved inside an installation cover, and the installation cover Connected to the corrugated steel plate, the frame body is provided with a pusher assembly, the pusher assembly includes a plurality of pusher blocks, each of the pusher blocks can slide along the frame body, and a plurality of the pusher blocks A push cavity is formed between them, the lower part of the plate body is connected with a lift rod, the upper part of the lift rod is formed with a push part, the push part is movably connected in the push cavity, and the push part has multiple shapes. In the shape of a pyramid, the lower part of the lifting rod is connected with the driving device.

In an embodiment of the present invention, the push cavity includes a first cavity, the push portion is movably connected in the first cavity, and the shape of the first cavity and the push portion shape to suit.

In an embodiment of the present invention, the push cavity further includes a second cavity, the second cavity is located above the second cavity, the second cavity and the first cavity The width of the second cavity is not greater than the minimum width of the first cavity.

In an embodiment of the present invention, a guide notch is provided at the bottom of the push block, and a guide protrusion extending toward the inside of the installation cover is formed at the bottom of the installation cover, and the guide protrusion is used to be inserted into the guide notch middle.

In an embodiment of the present invention, the contact surface of the guide protrusion and the guide notch is an arc surface.

In an embodiment of the present invention, the contact surface of the guide notch and the guide protrusion is a plane.

In an embodiment of the present invention, the driving device adopts a first hydraulic cylinder.

In an embodiment of the present invention, the first hydraulic cylinder is connected to the lower part of the plate body through a flange.

In an embodiment of the present invention, the corrugated steel plate grabbing device further includes a base located below the plate body, a plurality of second hydraulic cylinders are connected between the plate body and the base, and the second hydraulic The upper part of the cylinder is hinged with the plate body, and the other end is hinged with the base.

In an embodiment of the present invention, the second hydraulic cylinders are all inclined.

Compared with the prior art, the above-mentioned technical solution of the present utility model has the following advantages:

The corrugated steel plate grabbing device of the utility model is inconvenient to operate, greatly improves the grabbing reliability, is conducive to ensuring the safety of the operation, and at the same time is conducive to improving the grabbing efficiency and saves a lot of labor.

Description of drawings

In order to make the content of the present utility model easier to understand clearly, the present utility model will be described in further detail below according to the specific embodiments of the present utility model and in conjunction with the accompanying drawings.

1 is a front view of a corrugated steel plate grabbing device of the present invention;

Figure 2 is a cross-sectional view of the corrugated steel plate grabbing device in the direction A-A in Figure 1;

Fig. 3 is the partial enlarged schematic diagram of M place in Fig. 2;

Fig. 4 is a three-dimensional view of the corrugated steel plate grabbing device in Fig. 1;

Fig. 5 is the structural representation of corrugated steel plate in Fig. 1;

Fig. 6 is the assembly schematic diagram of the plate body and the push assembly in Fig. 1;

Fig. 7 is the structural representation of the push assembly in Fig. 6;

FIG. 8 is a schematic structural diagram of another angle of the push assembly in FIG. 7;

Figure 9 is a top view of the push assembly in Figure 7;

Fig. 10 is the sectional view of the direction B-B in Fig. 9;

Figure 11 is a sectional view in the direction C-C in Figure 9;

Description of reference numerals in the description: 1. Base; 2. Plate body; 21. Frame body; 3. Push assembly; 31, Push block; 311, Guide notch; 3111, plane; 32, Push cavity; ; 322, the second cavity; 4, the lifting rod; 41, the push part; 5, the first hydraulic cylinder; 51, the cylinder body, 52, the piston rod; 6, the second hydraulic cylinder; 7, the flange; 8, the corrugated Steel plate; 81, installation cover; 811, guide protrusion; 8111, arc surface.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present utility model and implement it, but the examples are not intended to limit the present utility model.

Referring to FIGS. 1 to 4 , a corrugated steel plate grabbing device disclosed in this embodiment includes a plate body 2 , a frame body 21 is connected to the upper part of the plate body 2 , and the frame body 21 is used to be sleeved inside the installation cover 81 . , the installation cover 81 is connected to the corrugated steel plate 8, and the corrugated steel plate structure is shown in FIG. A pusher cavity 32 is formed between the plurality of pusher blocks 31, a lift rod 4 is connected to the lower part of the plate body 2, a pusher part 41 is formed on the upper part of the lifter rod 4, and the pusher part 41 is movably connected to the pusher cavity 32, The push portion 41 is in the shape of a polygonal pyramid, and the lower part of the lift rod 4 is connected to the driving device to drive the lift rod 4 to rise and fall. When the lift rod 4 rises, the push portion 41 moves upward along the push cavity 32, thereby pushing the surrounding push blocks 31 moves to the outside, so as to press against the inner wall of the installation cover 81, so as to realize the fixation of the installation cover 81, that is, the grasping of the installation cover 81 is realized. The stability of the installation cover 81 is also more uniform.

The polygonal shape of the push portion 41 enables each push block 31 to be pushed outward in different directions, so as to press against the inner walls of the installation cover 81 , so that all the inner walls of the installation cover 81 can be resisted. tightening force, thereby greatly improving the fixing reliability of the mounting cover 81 .

For example, as shown in Figures 7-11, the pusher assembly 3 includes four pusher blocks 31, the pusher portion 41 is in the shape of a quadrangular pyramid, and the installation cover 81 is in the shape of a rectangle. Each pusher block 31 can correspond to an inner wall of the installation cover 81, When the push portion 41 of the lift rod 4 moves upwards along the push cavity 32, it will push the surrounding four push blocks 31 to move outward respectively, so that each push block 31 moves toward the inner wall of the corresponding installation cover 81 until it is tightly pressed against each other. On this inner wall, that is, the first push block 31 abuts against the first inner wall of the installation cover 81, the second push block 31 abuts against the second inner wall of the installation cover 81, and the third push block 31 abuts against the second inner wall of the installation cover 81 The push block 31 abuts against the third inner wall of the installation cover 81 , and the fourth push block 31 abuts against the fourth inner wall of the installation cover 81 , so that the installation cover 81 can be reliably grasped.

In one embodiment, the push cavity 32 includes a first cavity 321, and the push portion 41 is movably connected to the first cavity 321. The shape of the first cavity 321 is adapted to the shape of the push portion 41, that is, The first cavity 321 is also in the shape of a polygonal pyramid. On the one hand, the design is more convenient for the positioning of the lifting rod 4, and at the same time, it can also play a better wedging effect, which increases the wedging force, makes the grasping more reliable, and is not easy to loose after grasping the piece.

In one embodiment, the push cavity 32 further includes a second cavity 322, the second cavity 322 is located above the second cavity 322, the second cavity 322 communicates with the first cavity 321, and the second cavity 322 is in communication with the first cavity 321. The width of 322 is not greater than the minimum width of the first cavity 321 . The comparison of the widths here refers to the comparison of the size of the second cavity 322 and the first cavity 321 when each of the pushing blocks 31 is in a static state, that is, when the overall pushing cavity 32 is in a certain fixed size, it is not Dimensional comparison at different motion positions.

Further, the pushing blocks 31 are all wedge-shaped blocks, the two oppositely arranged wedge-shaped blocks have the same size, and the specific size of the wedge-shaped blocks can be adjusted according to actual needs.

In one of the embodiments, a spring can also be connected between the two opposing push blocks 31, and the two opposing push blocks 31 move outward respectively due to the force of the lifting rod 4 rising and moving, and the springs are in a stretched state at this time. , once the lifting rod 4 descends to the set position, the space between the two opposing push blocks 31 will automatically reset due to the elastic force of the spring.

In one of the embodiments, as shown in FIGS. 2-3 , the bottom of the push block 31 is provided with a guide notch 311 , and the bottom of the installation cover 81 is formed with a guide protrusion 811 extending toward the inside of the installation cover 81 . to be inserted into the guide notch 311 . Through this design, the push block 31 can be pressed against the inner wall of the installation cover 81 smoothly, and at the same time, after the push block 31 is pressed tightly, the push block 31 is not easily slipped downward, which improves the grasping stability.

In one of the embodiments, the contact surface of the guide protrusion 811 with the guide notch 311 is an arc surface 8111 to improve the stability of the movement transition.

Further, the contact surface between the guide notch 311 and the guide protrusion 811 is a flat surface 3111. Through the cooperation of the flat surface 3111 and the curved surface 8111, on the one hand, it is convenient to achieve smooth grasping, and on the other hand, it is also better to avoid after grasping. The push block 31 slips downward.

In one of the embodiments, the driving device adopts the first hydraulic cylinder 5 to realize the lifting of the lifting rod 4 through hydraulic driving, which is convenient for control and has high stability. Understandably, the first hydraulic cylinder 5 includes a cylinder body and a piston rod that can be extended and retracted along the cylinder body, and the piston rod is connected to the lifting rod 4 .

In one of the embodiments, referring to the piston rod in FIG. 6 , the first hydraulic cylinder 5 is connected to the lower part of the plate body 2 through the flange 7 .

In one of the embodiments, the corrugated steel plate grabbing device further includes a base 1 located below the plate body 2, a plurality of second hydraulic cylinders 6 are connected between the plate body 2 and the base 1, the upper part of the second hydraulic cylinder 6 and the plate The body 2 is hinged, and the other end is hinged with the base 1. Understandably, the second hydraulic cylinder 6 includes a cylinder body and a piston rod that can be extended and retracted along the cylinder body, so that the angle and position of the plate body 2 can be adjusted through the expansion and contraction of the piston rod of the second hydraulic cylinder 6, so as to better adapt to the The position of the corrugated steel plate to be grasped facilitates the docking of the frame body 21 and the installation cover 81 , and also facilitates the adjustment of the position of the overall corrugated steel plate after the grasping is completed, which improves the flexibility of posture adjustment.

In one of the embodiments, the second hydraulic cylinders 6 are all inclined, so as to better adjust the angle of the plate body 2 and increase the adjustment range.

Further, a plurality of second hydraulic cylinders 6 are enclosed in an accommodating space, and the lifting rod 4 is located in the accommodating space, that is, each second hydraulic cylinder 6 is arranged around the lifting rod 4, which has better advantages. The stability of the ground structure can also make the adjustment process of the angle of the plate body 2 more stable.

The working process of the corrugated steel plate grabbing device of the above-mentioned embodiment is as follows: the installation cover 81 on the corrugated steel plate 8 is put on the frame body 21, and then the driving device is started, and the lifting rod 4 is driven by the driving device to rise, and the lifting rod 4 rises as the lifting rod 4 rises. , the push portion 41 moves upward along the push cavity 32, thereby pushing the surrounding push blocks 31 to move outward, and the size of the push cavity 32 gradually increases until each push block 31 tightly abuts on the inner wall of the installation cover 81, thus completing the Grabbing of corrugated steel sheet 8 . When the corrugated steel plate 8 needs to be released, it is only necessary to use the driving device to drive the lifting rod 4 to descend, so that the push portion 41 moves downward along the push chamber 32 until the wedge tightening force between each push block 31 and the inner wall of the installation cover 81 is released. Then the whole grabbing device and the corrugated steel plate 8 can be disengaged.

The corrugated steel plate grabbing device of the above embodiment is inconvenient to operate, greatly improves the grabbing reliability, helps to ensure the safety of the operation, and also helps to improve the grabbing efficiency, optimize the process and reduce the cost, save a lot of labor and save manpower cost.

Obviously, the above-mentioned embodiments are only examples for clear description, and are not intended to limit the implementation manner. For those of ordinary skill in the art, other different forms of changes or modifications can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. And the obvious changes or changes derived from this are still within the protection scope of the present invention.

Claims (10)

1. A corrugated steel plate grabbing device which is characterized in that: the corrugated steel plate comprises a plate body, plate body upper portion is connected with the framework, the framework is used for cup jointing inside the installation cover, the installation cover is connected on the corrugated steel plate, the inside processing subassembly that is provided with of framework, the processing subassembly includes a plurality of processing pieces, every the processing piece all can be followed the framework slides, and is a plurality of enclose between the processing piece and close and form and pass the chamber, plate body sub-unit connection has the lifter, the upper portion of lifter is formed with the portion of advancing, the portion of advancing movably connect in pass the chamber, the portion of advancing is the many pyramids shape, the lower part and the drive arrangement of lifter are connected.

2. The deck plate grabbing device as claimed in claim 1, wherein: the pushing cavity comprises a first cavity body, the pushing part is movably connected in the first cavity body, and the shape of the first cavity body is matched with that of the pushing part.

3. The deck plate grabbing device as claimed in claim 2, wherein: the pushing cavity further comprises a second cavity body, the second cavity body is located above the second cavity body, the second cavity body is communicated with the first cavity body, and the width of the second cavity body is not larger than the minimum width of the first cavity body.

4. The deck plate grabbing device as claimed in claim 1, wherein: the bottom of the pushing block is provided with a guide notch, a guide protrusion extending towards the inside of the installation cover is formed at the bottom of the installation cover, and the guide protrusion is used for being inserted into the guide notch.

5. The deck plate grabbing device of claim 4, wherein: the contact surface of the guide bulge and the guide notch is an arc surface.

6. The deck plate grabbing device of claim 5, wherein: the contact surface of the guide notch and the guide protrusion is a plane.

7. The deck plate grabbing device as claimed in claim 1, wherein: the driving device adopts a first hydraulic cylinder.

8. The deck plate grabbing device as claimed in claim 7, wherein: the first hydraulic cylinder is connected to the lower portion of the plate body through a flange.

9. The deck plate grabbing device as claimed in claim 1, wherein: the plate body is provided with a plurality of first hydraulic cylinders, the plate body is provided with a plurality of second hydraulic cylinders, the first hydraulic cylinders are connected with the base, the plate body is hinged to the base, and the other ends of the first hydraulic cylinders are hinged to the base.

10. The deck plate grabbing device of claim 9, wherein: the second hydraulic cylinders are all obliquely arranged.

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