CN114060076B - Shock-proof protection frame for tunnel engineering - Google Patents

Abstract

The invention discloses an anti-seismic protection frame for tunnel engineering, which includes a placement plate and a top plate. One side of the outer side of the placement plate is fixedly connected to a polished rod and a placement slot respectively. A transmission structure is provided inside the placement slot. The transmission structure includes a first-level electric telescopic rod, a rack, a first-level gear, a short rod and an elliptical block. A sliding plate is slidably connected to the outer side of the polished rod, and a lifting structure is provided on the upper side of the sliding plate. The anti-seismic protection frame for tunnel engineering, through the coordination of the shock-absorbing structure, makes the anti-seismic protection frame for tunnel engineering less likely to tilt, thereby improving the stability and achieving the purpose of improving the anti-seismic effect. Through the transmission The cooperative arrangement of the structure and the lifting structure allows the indirectness and height of the anti-seismic protection frame for tunnel engineering to be adjusted during use, which in turn plays a convenient and fast role and achieves the purpose of easy adjustment.

Description

A kind of earthquake protection frame for tunnel engineering

Technical field

The invention relates to the technical field of tunnel engineering, and specifically relates to an anti-seismic protection frame for tunnel engineering.

Background technique

The structure of the tunnel consists of two parts: the main building and ancillary equipment. The main building consists of a cave body and a door. Ancillary equipment includes car shelters, fire-fighting facilities, emergency communications and waterproofing and drainage facilities. The long tunnel also has special ventilation and lighting equipment.

During tunnel blasting construction, the tunnel needs to be erected. The current existing erected stands have poor shock resistance and tend to tilt to prevent the tunnel from collapsing during blasting construction. There are no anti-falling objects on the existing protective frame construction panels. The boards may cause falling objects during construction, causing injury to workers or damage to the protective frame. In addition, the vertical frame is inconvenient for subsequent adjustment after installation and often needs to be dismantled and adjusted, which is relatively cumbersome. Therefore, the current protective frame has the disadvantages of poor shockproof effect, poor safety factor and inconvenient adjustment.

Contents of the invention

(1) Technical problems solved

In view of the shortcomings of the existing technology, the present invention provides an anti-seismic protection frame for tunnel engineering, which has the advantages of good anti-seismic effect, high safety factor and easy adjustment, and solves the problem of poor anti-seismic effect, poor safety factor and inconvenient adjustment. question.

(2) Technical solutions

In order to achieve the above-mentioned purpose of good anti-seismic effect, high safety factor and easy adjustment, the present invention provides the following technical solution: an anti-seismic protection frame for tunnel engineering, including a placement plate and a top plate, the number of the placement plates is two, and the number of the placement plates is two. Polished rods and placement slots are fixedly connected to the inner sides respectively. The interior of the placement slot is provided with a transmission structure. The transmission structure includes a first-level electric telescopic rod, a rack, a first-level gear, a short rod and an elliptical block. The polished rod has A sliding plate is slidingly connected to the outer side, and a lifting structure is provided on the upper side of the sliding plate. The lifting structure includes a servo motor, a lower gear, an upper gear, a fixed frame and a moving frame. The upper surface of the moving frame is fixedly connected. There is a round rod, the upper surface of the round rod is fixedly connected to the top plate, the outer side of the top plate is sleeved with a telescopic cover plate, the placement plate and the top plate are both provided with grooves, and the inside of the groove is provided There is a shock-absorbing structure, which includes a primary spring, a fixed rod, a sliding block, a connecting rod and a rectangular frame.

Preferably, the inner side wall of the placement slot is fixedly connected to the first-level electric telescopic rod, the movable end surface of the first-level electric telescopic rod is fixedly connected to the rack, and the inner side wall of the placement slot is slidingly connected to the rack, so One side of the rack meshes with the primary gear, and the inner wall of the primary gear is fixedly connected to the short rod.

Preferably, one end of the short rod is rotatably connected to the placement groove through a bearing, the upper part of the outer surface of the short rod is fixedly connected to the elliptical block, and a hinge rod is hinged to one side of the upper surface of the elliptical block through a small rod. One end of the hinge rod is hinged with the sliding plate through a hinge block.

Preferably, the upper surface of the sliding plate is fixedly connected to the servo motor, and the output end of the servo motor is fixedly connected to a disc. The outer side of the disc near the edge passes through the first-stage rod and the outer side of the lower-stage gear. One side is fixedly connected, the upper side of the sliding plate is fixedly connected to the fixed frame, and the inner wall of the fixed frame is rotationally connected to the first-level rod.

Preferably, one side of the outer side of the lower gear meshes with the upper gear, the inner wall of the upper gear is movably connected to the moving frame through a secondary rod, the outer side of the round rod is slidingly connected to the fixed frame, and the lifting structure There are four in total and they are arranged in a rectangular array.

Preferably, the lower surface of the placing plate is provided with a concave groove, the inner wall of the concave groove is slidingly connected to the rectangular frame, the middle part of the inner bottom wall of the rectangular frame is provided with a sliding groove, and the inner wall of the rectangular frame is connected to the fixed Rod fixed connection.

Preferably, the outer side of the fixed rod is fixedly connected to the inner bottom wall of the rectangular frame through a vertical rod, the outer side of the fixed rod is slidingly connected to the sliding block, and the outer side of the sliding block is movably connected to the connecting rod, so There are two sliding blocks and two connecting rods, and they are symmetrically distributed. The lower surface of the sliding block is slidingly connected to the sliding groove through the sliding rod.

Preferably, one end of the connecting rod is hinged to the inside of the placement plate through a hinge seat, and the two sliding blocks are fixedly connected to a primary spring. There are four shock absorbing structures in total, and they are in a rectangular array. arrangement in the form.

Preferably, a hook is provided on one side of the outer side of the top plate and the telescopic cover plate, and a shielding plate is detachably connected to one side of the hook. The number of the placement plates and the telescopic cover plate is two, and they are symmetrical. Distribution, the number of the top plates is four in total, and they are arranged in a rectangular array.

(3) Beneficial effects

Compared with the existing technology, the present invention provides an earthquake protection frame for tunnel engineering, which has the following features:

Beneficial effects:

1. The anti-seismic protection frame for the tunnel project, through the cooperation of the shock-absorbing structure, makes the anti-seismic protection frame for the tunnel project less likely to tilt, thereby improving the stability and achieving the purpose of improving the anti-seismic effect. Through the cooperative arrangement of the transmission structure and the lifting structure, the indirectness and height of the anti-seismic protection frame for tunnel engineering can be adjusted during use, which in turn plays a convenient and fast role and achieves the purpose of easy adjustment.

2. The anti-seismic protection frame for the tunnel project has the effect of supporting falling objects through the setting of the roof plate and telescopic sleeve plate, thereby preventing falling objects from falling and injuring people. Through the hook With the setting of the shielding plate, debris can be hung on the hook during use. In addition, the hole can be blocked by the shielding plate, thereby reducing the risk factor and achieving the purpose of improving the safety factor.

Description of the drawings

Figure 1 is a schematic three-dimensional front view of the anti-seismic protection frame for tunnel engineering proposed by the present invention;

Figure 2 is a schematic front structural view of an anti-seismic protection frame for tunnel engineering proposed by the present invention;

Figure 3 is a schematic structural diagram of a three-dimensional side cross-section of an anti-seismic protection frame for tunnel engineering proposed by the present invention;

Figure 4 is a schematic three-dimensional top cross-sectional structural diagram of an anti-seismic protection frame for tunnel engineering proposed by the present invention;

Figure 5 is an enlarged structural schematic diagram of the position A in Figure 2 of an anti-seismic protection frame for tunnel engineering proposed by the present invention.

In the picture: 1. Placement plate; 2. Top plate; 3. Placement slot; 4. Transmission structure; 401, first-level electric telescopic rod; 402, rack; 403, first-level gear; 404, short rod; 405, elliptical block ; 5. Sliding plate; 6. Lifting structure; 601. Servo motor; 602. Lower gear; 603. Upper gear; 604. Fixed frame; 605. Moving frame; 7. Shock absorbing structure; 701. Primary spring; 702. Fixed rod; 703, sliding block; 704, connecting rod; 705, rectangular frame; 8, round rod; 9, telescopic cover plate; 10, hinged rod; 11, disk; 12, polished rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Please refer to Figure 1-5, a kind of earthquake protection frame for tunnel engineering, including a placement plate 1 and a top plate 2. The number of the placement plates is two. Polished rods and placement grooves are fixedly connected to the inner sides of the placement plates. The placement grooves There is a transmission structure 4 inside 3. The transmission structure 4 includes a first-level electric telescopic rod 401, a rack 402, a first-level gear 403, a short rod 404 and an elliptical block 405. The inner wall of the placement groove 3 is in contact with the first-level electric telescopic rod 401. Fixed connection, the movable end face of the first-level electric telescopic rod 401 is fixedly connected to the rack 402, the inner wall of the placement slot 3 is slidingly connected to the rack 402, one side of the rack 402 meshes with the first-level gear 403, and the first-level gear 403 The inner wall of the short rod 404 is fixedly connected to the short rod 404. One end of the short rod 404 is rotationally connected to the placement slot 3 through a bearing. The upper part of the outer surface of the short rod 404 is fixedly connected to the elliptical block 405. One side of the upper surface of the elliptical block 405 is hinged with a small rod. Hinged rod 10, one end of the hinged rod 10 is hinged to the sliding plate 5 through a hinge block, the outer side of the polished rod 12 is slidingly connected with the sliding plate 5, and a lifting structure 6 is provided on the upper side of the sliding plate 5, and the lifting structure 6 includes a servo motor 601 , lower gear 602, upper gear 603, fixed frame 604 and moving frame 605, the upper surface of the sliding plate 5 is fixedly connected with the servo motor 601, the output end of the servo motor 601 is fixedly connected with the disc 11, and the outer side of the disc 11 is close to The position of the edge is fixedly connected to the outer side of the lower gear 602 through the first-level rod. The upper side of the sliding plate 5 is fixedly connected to the fixed frame 604. The inner wall of the fixed frame 604 is rotationally connected to the first-level rod. The outer side of the lower gear 602 One side of the side meshes with the upper gear 603. The inner wall of the upper gear 603 is movably connected to the moving frame 605 through the secondary rod. The outer side of the round rod 8 is slidingly connected to the fixed frame 604. There are four lifting structures 6 in total, and they are in the shape of Arranged in the form of a rectangular array, the upper surface of the mobile frame 605 is fixedly connected with a round rod 8, the upper surface of the round rod 8 is fixedly connected with the top plate 2, the outer side of the top plate 2 is sleeved with a telescopic cover plate 9, the placement plate 1 and the top plate 2 There are grooves inside, and a shock-absorbing structure 7 is provided inside the groove. The shock-absorbing structure 7 includes a primary spring 701, a fixed rod 702, a sliding block 703, a connecting rod 704 and a rectangular frame 705. The lower part of the plate 1 is placed A concave groove is provided on the surface. The inner wall of the concave groove is slidingly connected to the rectangular frame 705. A sliding groove is provided in the middle of the inner bottom wall of the rectangular frame 705. The inner wall of the rectangular frame 705 is fixedly connected to the fixed rod 702, and the outer side of the fixed rod 702 passes through The vertical pole is fixedly connected to the inner bottom wall of the rectangular frame 705, the outer side of the fixed rod 702 is slidingly connected to the sliding block 703, the outer side of the sliding block 703 is movably connected to the connecting rod 704, the number of the sliding block 703 and the connecting rod 704 is Two, and symmetrically distributed, the lower surface of the sliding block 703 is slidingly connected with the sliding groove through the sliding rod, one end of the connecting rod 704 is hinged with the inside of the placing plate 1 through the hinge seat, and the primary spring 701 is connected between the two sliding blocks 703 Fixed connection, the number of the shock-absorbing structures 7 is four in total, and they are arranged in the form of a rectangular array. The top plate 2 and the telescopic cover plate 9 are provided with hooks on one side of the outer side, and one side of the hook is detachably connected with a shielding plate. The number of placing plates 1 and telescopic sleeve plates 9 is two, and they are symmetrically distributed. The number of top plates 2 is four in total, and they are arranged in a rectangular array.

When in use, the user first assembles the anti-seismic protection frame for the tunnel project, and then drives the rack 402 to move through the first-level electric telescopic rod 401, and then drives the elliptical block 405 to rotate through the first-level gear 403 and the short rod 404, thereby The hinge rod 10 drives the sliding plate 5 to move to one side on the polished rod 12. After the position is suitable, the extension of the first-level electric telescopic rod 401 is stopped, and then the servo motor 601 is started, and the output end of the servo motor 601 drives the disc 11 to rotate. , the disc 11 drives the upper and lower gears 602 to rotate, and the lower gears 602 drive the upper gears 603 to rotate, thereby driving the round rod 8 to move upward in the fixed frame 604 through the moving frame 605. At this time, the height of the top plate 2 is adjusted, and thus the height of the top plate 2 can be adjusted according to the It is necessary to adjust the width and height to achieve the purpose of easy adjustment. When the placement plate 1 is in contact with the ground and the top plate 2 is in contact with the top wall of the tunnel, the connecting rod 704 will be rotated to one side. At this time, the sliding block 703 moves to one side on the fixed rod 702, and stretches the first-level spring 701. At the same time, the sliding rod slides in the sliding groove, so that the anti-seismic protection frame for tunnel engineering has the effect of not being easily tilted, thus improving the stability performance. function, to achieve the purpose of improving the earthquake-proof effect. In addition, workers can hang debris on the hooks during use, and can also block the holes with shielding plates, thereby reducing the risk factor and improving the safety factor. Purpose.

In summary, the anti-seismic protection frame for tunnel engineering, through the cooperation of the shock-absorbing structure 7, makes the anti-seismic protective frame for tunnel engineering have the effect of not being easily tilted, thereby improving the stability performance and achieving the effect of improving the anti-seismic effect. Purpose, through the cooperative arrangement of the transmission structure 4 and the lifting structure 6, the indirectness and height of the earthquake protection frame for tunnel engineering can be adjusted during use, thereby making it convenient and fast, and achieving the purpose of easy adjustment. Through the top plate 2 and the setting of the telescopic cover plate 9 make the earthquake protection frame for tunnel engineering have the effect of supporting falling objects, thereby avoiding the situation of falling objects falling and injuring people. Through the setting of hooks and shielding plates, during use Debris can be hung on the hooks, and the holes can also be blocked by blocking plates, thereby reducing the risk factor and achieving the purpose of improving the safety factor.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are mutually exclusive. any such actual relationship or sequence exists between them. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment. Without further limitation, an element defined by the statement "comprises a" does not exclude the presence of additional identical elements in a process, method, article, or device that includes the stated element.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (2)

1. The utility model provides a tunnel engineering is with protection frame that takes precautions against earthquakes, including placing board (1) and roof (2), its characterized in that: the number of the placing plates (1) is two, the inner side surfaces of the placing plates (1) are respectively and fixedly connected with a polish rod (12) and a placing groove (3), and a transmission structure (4) is arranged in the placing groove (3);

the transmission structure (4) comprises a primary electric telescopic rod (401), a rack (402), a primary gear (403), a short rod (404) and an oval block (405), wherein the inner side wall of the placement groove (3) is fixedly connected with the primary electric telescopic rod (401), the movable end face of the primary electric telescopic rod (401) is fixedly connected with the rack (402), the inner side wall of the placement groove (3) is slidably connected with the rack (402), one side face of the rack (402) is meshed with the primary gear (403), and the inner wall of the primary gear (403) is fixedly connected with the short rod (404); one end of the short rod (404) is rotationally connected with the placing groove (3) through a bearing, the upper part of the outer side surface of the short rod (404) is fixedly connected with the elliptical block (405), the left side and the right side of the upper surface of the elliptical block (405) are hinged with the hinging rods (10) through small rods, one end of each hinging rod (10) is hinged with the sliding plate (5) through the hinging block, and the number of the sliding plates (5) and the number of the hinging rods (10) are two;

the utility model discloses a high-speed hydraulic lifting device for a polished rod, including polished rod (12), sliding plate (5) are connected with to lateral surface sliding of polished rod (12), top one side of sliding plate (5) is provided with elevation structure (6), elevation structure (6) include servo motor (601), lower gear (602), upper gear (603), fixed frame (604) and movable frame (605), the upper surface fixedly connected with round bar (8) of movable frame (605), the upper surface and roof (2) fixed connection of round bar (8), telescopic sleeve plate (9) have been cup jointed to the lateral surface of roof (2), the inside of placing board (1) and roof (2) is all seted up flutedly, the inside of recess is provided with shock-absorbing structure (7), shock-absorbing structure (7) include one-level spring (701), dead lever (702), sliding block (703), connecting rod (704) and rectangular frame (705);

the upper surface of the sliding plate (5) is fixedly connected with a servo motor (601), the output end of the servo motor (601) is fixedly connected with a disc (11), the position, close to the edge, of the outer side of the disc (11) is fixedly connected with one side of the outer side of a lower gear (602) through a first-stage rod, one side of the upper part of the sliding plate (5) is fixedly connected with a fixed frame (604), the inner wall of the fixed frame (604) is rotationally connected with the first-stage rod, one side of the outer side of the lower gear (602) is meshed with an upper gear (603), the inner wall of the upper gear (603) is movably connected with a movable frame (605) through a second-stage rod, the outer side of a round rod (8) is slidably connected with the fixed frame (604), and the number of lifting structures (6) is four and is arrayed in a rectangular array mode;

the utility model discloses a shock-absorbing structure is characterized in that a concave groove is formed in the lower surface of a placing plate (1), the inner wall of the concave groove is in sliding connection with a rectangular frame (705), the sliding groove is formed in the middle of the inner bottom wall of the rectangular frame (705), the inner side wall of the rectangular frame (705) is fixedly connected with a fixed rod (702), the outer side surface of the fixed rod (702) is fixedly connected with the inner bottom wall of the rectangular frame (705) through a vertical rod, the outer side surface of the fixed rod (702) is in sliding connection with a sliding block (703), the outer side surface of the sliding block (703) is movably connected with a connecting rod (704), the number of the sliding block (703) and the number of the connecting rod (704) are two, the sliding blocks (703) are symmetrically distributed, one end of the connecting rod (704) is hinged with the inner side of the placing plate (1) through a hinged seat, the two sliding blocks (703) are fixedly connected with a primary spring (701), and the number of shock-absorbing structure (7) is four in total and is arrayed in a rectangular shape.

2. The earthquake-proof fender bracket for tunnel engineering according to claim 1, wherein: the utility model discloses a flexible board, including roof (2) and flexible sleeve board (9), roof (2) and flexible sleeve board (9) lateral surface one side all is provided with the couple, a side of couple can be dismantled and be connected with the shielding plate, the quantity of placing board (1), flexible sleeve board (9) is two, and the symmetric distribution, the quantity of roof (2) is counted totally to four, and is rectangular array's form and arranges.