Tunnel engineering steel arch fixing device

Abstract

The utility model discloses a tunnel engineering steel arch fixing device, which belongs to the technical field of tunnel engineering equipment and comprises a first supporting and fixing device, a second supporting and fixing device, a first supporting arc arm, a second supporting arc arm, a supporting block, a supporting oil cylinder, a first inserting hole, a second inserting hole, a first arc-shaped oil cylinder, a second annular oil cylinder, a third supporting arc arm and a fourth supporting arc arm. The top of the second supporting and fixing device is fixedly connected with a first supporting arc arm and a second supporting arc arm. According to the tunnel engineering steel arch fixing device, unfolding and retracting of the unfolding arms can be controlled through the unfolding oil cylinders, the supporting area can be enlarged, or a vehicle can conveniently transport materials between the supporting and fixing devices, the supporting arc arms are connected through the first arc oil cylinders and the second annular oil cylinders, it is ensured that the circle centers of the four supporting arc arms coincide, and a steel arch is stably supported; meanwhile, the supporting force is further enhanced through the supporting oil cylinders, the outer side faces of the supporting blocks are arc faces, the supporting blocks are matched with the steel arch frame in shape, and better supporting and protecting effects are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tunnel engineering equipment technical field, specifically, relate to a tunnel engineering steel arch support fixing device. BACKGROUND

[0002] In the complex and critical engineering of tunnel construction, the supporting link plays a crucial role. By bearing the pressure from the overlying rock-soil mass, it prevents excessive deformation of the tunnel wall, ensuring the safety of construction personnel and the smooth progress of subsequent construction;

[0003] The existing tunnel engineering steel arch support fixing device on the market has an auxiliary fixing part that is mostly designed in one piece. The one-piece structure makes it inflexible to disassemble, and the overall size is large, occupying a lot of space during transportation, which brings many inconveniences to material handling at the construction site. Secondly, in the disassembly process, the structure's fixity makes the disassembly operation complex, requiring a lot of manpower and time cost;

[0004] According to the search, the publication (announcement) number: CN210152679U, discloses a tunnel engineering steel arch support fixing device, which discloses "including first fixed plate, the left and right sides of first fixed plate inner chamber are inserted with second fixed plate, the side away from first fixed plate of second fixed plate is fixed with third fixed plate, the central fixed connection of third fixed plate bottom is inserted plate. Through the structural design of first damping spring, the compression resistance of the device can be increased. Through the structural design between the base, the connecting ring and the damping base, the damping base and the support rod can be connected together by the staff, and through the structural design of the second damping spring and the damping plate inside the damping base, the pressure on the support rod can be reduced, thereby increasing the service life of the device, so that the device achieves the purpose of convenient installation and disassembly and carrying" technical effect;

[0005] However, the above-mentioned comparative document, although it solves some existing problems to a certain extent, has obvious deficiencies itself, especially after completing the fixation and support of the steel arch, it hinders the transportation of the material below the steel arch. In tunnel construction, the timely and smooth flow of materials is crucial to the control of construction progress, and this hindrance makes it difficult to transport the material below, and the required materials cannot arrive at the corresponding position quickly, which seriously affects the overall construction efficiency, slows down the progress of the entire tunnel construction project, and increases the time cost and potential risk of the project;

[0006] To solve the above problems, a tunnel engineering steel arch support fixing device is proposed in this application. Utility model content

[0007] The utility model proposes a tunnel engineering steel arch support fixing device to overcome the above technical problems existing in prior art.

[0008] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0009] A tunnel engineering steel arch support fixing device, including support fixed device one, support fixed device two, support circular arc arm one, support circular arc arm two, support block, support oil cylinder one, jack one, jack two, arc oil cylinder one, annular oil cylinder two, support circular arc arm three, support circular arc arm four, support fixed device two top fixed connection has support circular arc arm one and support circular arc arm two, support circular arc arm one upper side end face is opened on the jack two, support circular arc arm two upper side end face is opened on the jack one, support fixed device one top fixed connection has support circular arc arm three and support circular arc arm four, support circular arc arm three upper side inside fixed connection has arc oil cylinder one, and arc oil cylinder one right side piston rod outside is connected with jack two inside, support circular arc arm four upper side inside fixed connection has annular oil cylinder two, and annular oil cylinder two right side piston rod outside is connected with jack one inside, support oil cylinder one is a few, a few support oil cylinder one is fixedly connected in the side of support circular arc arm one and support circular arc arm two and is fixedly connected in the side of support circular arc arm three and support circular arc arm four.

[0010] Preferably, the support fixed device one and the support fixed device two are consistent in structure.

[0011] The support fixed device two includes a base, the base right side central front and rear positions are both provided with a connecting groove one, the base front and rear sides are both fixedly connected with a fixed hole seat, and a plurality of fixed piles are arranged on the upper surface of the fixed hole seat.

[0012] Preferably, the base left side front and rear positions are both fixedly connected with a support oil cylinder two, and the lower side piston rod ends of the support oil cylinder two are both fixedly connected with universal wheels.

[0013] Preferably, the base right side front and rear positions are both provided with a clamping groove, and the two expansion arms are both connected with the base right side front and rear positions through hinges.

[0014] Preferably, the two expansion arms are both provided with a connecting groove two on the inner side surfaces, the two expansion arms are both fixedly connected with clamping blocks on the left outer sides, the clamping blocks are connected with the corresponding clamping grooves, and the two expansion arms are both fixedly connected with universal wheels on the right lower sides.

[0015] Preferably, the unfolding oil cylinder is two, two left sides of the unfolding oil cylinder are movably connected with corresponding connecting grooves one respectively, and two right side piston rods of the unfolding oil cylinder are movably connected with corresponding connecting grooves two respectively, and the unfolding oil cylinder is arranged to facilitate adjusting the unfolding angle of the unfolding arm.

[0016] Preferably, the clamping block is in a circular arc shape and is matched with the inside of the clamping groove, and the clamping block is arranged to improve the stability of the unfolded arm.

[0017] Preferably, the centers of the support circular arc arms one, two, three and four coincide, and the centers of the support circular arc arms one, two, three and four are arranged to facilitate improving the bearing capacity of the device.

[0018] Preferably, the outer side surface of the support block is a circular arc surface, and the outer side surface of the support block is arranged to be a circular arc surface, so that the device is closely combined with the inner wall of the tunnel.

[0019] In summary, the technical effects and advantages of the tunnel engineering steel arch support fixing device are as follows: the unfolding oil cylinder can control the unfolding and retraction of the unfolding arm, the support area is expanded or the vehicle can transport materials between the support fixing devices, the support circular arc arms are connected through the arc-shaped oil cylinder one and the ring-shaped oil cylinder two, the centers of the four support circular arc arms coincide, the steel arch support is stably supported, the support oil cylinder further enhances the support strength, the outer side surface of the support block is a circular arc surface, which is matched with the shape of the steel arch support, and better support and protection effects are achieved.

[0020] The base of the support fixing device is fixed on the ground through the fixing hole seat and the fixing pile body, so that the stability is ensured, meanwhile, the universal wheels on the base and the unfolding arm facilitate the movement and position adjustment of the whole device, the connection mode of the support circular arc arms is flexible, and the support circular arc arms can be installed and disassembled according to actual needs, which is convenient and practical. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic view of the utility model;

[0022] Figure 2 It is a support fixing device two and related part structure schematic view of the utility model;

[0023] Figure 3 It is a support fixing device one of the utility model; Figure 2 It is an enlarged structure schematic view of A in the middle.

[0024] In the drawing:

[0025] 1, support fixed device one; 2, support fixed device two; 3, support arc arm one; 4, support arc arm two; 5, support block; 6, support cylinder one; 7, jack one; 8, jack two; 9, arc cylinder one; 10, annular cylinder two; 11, support arc arm three; 12, support arc arm four; 21, base; 22, connecting groove one; 23, fixed hole seat; 24, fixed pile body; 25, clamping groove; 26, clamping block; 27, hinge; 28, unfolding arm; 29, connecting groove two; 210, unfolding cylinder; 211, support cylinder two. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0027] Reference Figures 1-3 A tunnel engineering steel arch support fixing device, comprising support fixed device one 1, support fixed device two 2, support arc arm one 3, support arc arm two 4, support block 5, support cylinder one 6, jack one 7, jack two 8, arc cylinder one 9, annular cylinder two 10, support arc arm three 11 and support arc arm four 12; the top of support fixed device two 2 is fixedly connected with support arc arm one 3 and support arc arm two 4; the upper side end face of support arc arm one 3 is provided with jack two 8; the upper side end face of support arc arm two 4 is provided with jack one 7; the top of support fixed device one 1 is fixedly connected with support arc arm three 11 and support arc arm four 12; the upper side inside of support arc arm three 11 is fixedly connected with arc cylinder one 9, and the right side piston rod outside of arc cylinder one 9 is connected with the inside of jack two 8; the upper side inside of support arc arm four 12 is fixedly connected with annular cylinder two 10, and the right side piston rod outside of annular cylinder two 10 is connected with the inside of jack one 7; support cylinder one 6 is a plurality of, and the plurality of support cylinder one 6 is fixedly connected on the side of support arc arm one 3 and support arc arm two 4 and on the side of support arc arm three 11 and support arc arm four 12.

[0028] As Figure 2 And Figure 3As shown, the support fixing device one 1 is consistent with the support fixing device two 2, and the specific structure of the support fixing device two 2 comprises a base 21, a connecting groove one 22, a fixed hole seat 23, a fixed pile body 24, a clamping groove 25, a clamping block 26, a hinge 27, an unfolding arm 28, a connecting groove two 29, an unfolding oil cylinder 210 and a support oil cylinder two 211; the connecting groove one 22 is arranged on the right side of the base 21, the fixed hole seat 23 is fixedly connected to the front and rear sides of the base 21, a plurality of fixed pile bodies 24 are arranged on the upper surface of the fixed hole seat 23, the support oil cylinder two 211 is fixedly connected to the left side of the base 21, a universal wheel is fixedly connected to the lower side of the piston rod of the support oil cylinder two 211, and the clamping groove 25 is arranged on the right side of the base 21; the unfolding arm 28 is two, the two unfolding arms 28 are connected to the right side of the base 21 through the hinge 27, the connecting groove two 29 is arranged on the inner side of the two unfolding arms 28, the clamping block 26 is fixedly connected to the left side of the two unfolding arms 28, the clamping block 26 is connected to the inside of the corresponding clamping groove 25, and the universal wheel is fixedly connected to the right lower side of the two unfolding arms 28; the unfolding oil cylinder 210 is two, the left side of the two unfolding oil cylinders 210 is movably connected to the corresponding connecting groove one 22, and the right side of the piston rod of the two unfolding oil cylinders 210 is movably connected to the corresponding connecting groove two 29.

[0029] Among them, the clamping block 26 is in the shape of a circular arc and is matched with the inside of the clamping groove 25; the centers of the support circular arc arm one 3, the support circular arc arm two 4, the support circular arc arm three 11 and the support circular arc arm four 12 coincide, so as to ensure the stable support of the steel arch; the outer side of the support block 5 is in the shape of a circular arc.

[0030] Working principle: in use, first support fixing device one 1 and support fixing device two 2 are used as the basic support structure of the whole device, the base 21 of the support fixing device two 2 is fixed on the ground through the front and rear fixing hole seats 23 and the fixed pile bodies 24, when the support area needs to be expanded, the unfolding oil cylinder 210 is started, the left side of the unfolding oil cylinder 210 is movably connected with the connecting groove one 22 at the right side central front and rear position of the base 21, the right side piston rod is movably connected with the connecting groove two 29 on the inner side of the unfolding arm 28, so that the unfolding arm 28 is pushed to rotate around the hinge 27 to open, the circular arc shaped clamping block 26 on the left side outside of the unfolding arm 28 is matched and connected with the clamping groove 25 at the right side front and rear position of the base 21, the stability after unfolding is ensured, at the same time, the universal wheels at the lower side piston rod end of the support oil cylinder two 211 at the left side front and rear position of the base 21 and the universal wheels at the right lower side bottom of the unfolding arm 28 facilitate the movement and position adjustment of the whole device, in addition, the shortening of the unfolding oil cylinder 210 can make the unfolding arm 28 retract, so that the vehicle can transport materials between the support fixing device one 1 and the support fixing device two 2, then the support circular arc arms one 3 and the support circular arc arms two 4 fixedly connected at the top of the support fixing device two 2 jointly act on the support circular arc arms three 11 and the support circular arc arms four 12 fixedly connected at the top of the support fixing device one 1 to fix the steel arch, the right side piston rod of the arc-shaped oil cylinder one 9 inside the upper side of the support circular arc arms three 11 is inserted into the insertion hole two 8 on the upper side end face of the support circular arc arms one 3, the right side piston rod of the ring-shaped oil cylinder two 10 inside the upper side of the support circular arc arms four 12 is inserted into the insertion hole one 7 on the upper side end face of the support circular arc arms two 4, so that the centers of the four support circular arc arms coincide, the stable support of the steel arch is ensured, at the same time, a plurality of support oil cylinders one 6 are fixedly connected on the side faces of the support circular arc arms one 3 and the support circular arc arms two 4 and the side faces of the support circular arc arms three 11 and the support circular arc arms four 12, further enhancing the support strength, finally, the outer side face of the support block 5 is a circular arc face, which is adapted to the shape of the steel arch and is placed between the steel arch and the support circular arc arms, better support and protection are achieved.

[0031] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fixing device for a steel arch frame in tunnel engineering, comprising a first supporting fixing device (1), a second supporting fixing device (2), a first supporting arc arm (3), a second supporting arc arm (4), a supporting block (5), a first supporting hydraulic cylinder (6), a first insert hole (7), a second insert hole (8), a first arc-shaped hydraulic cylinder (9), a second annular hydraulic cylinder (10), a third supporting arc arm (11), and a fourth supporting arc arm (12), characterized in that, The top of the second support fixing device (2) is fixedly connected to a first support arc arm (3) and a second support arc arm (4); the upper end face of the first support arc arm (3) is provided with a second insertion hole (8); the upper end face of the second support arc arm (4) is provided with a first insertion hole (7); the top of the first support fixing device (1) is fixedly connected to a third support arc arm (11) and a fourth support arc arm (12); the upper interior of the third support arc arm (11) is fixedly connected to an arc-shaped hydraulic cylinder (9), and the arc-shaped hydraulic cylinder (9) is fixedly connected to the second support arc arm (12). (9) The outside of the right piston rod is connected to the inside of the second insertion hole (8); the inside of the upper side of the fourth support arc arm (12) is fixedly connected to the second ring oil cylinder (10), and the outside of the right piston rod of the second ring oil cylinder (10) is connected to the inside of the first insertion hole (7); there are several first support oil cylinders (6), and several first support oil cylinders (6) are fixedly connected to the sides of the first support arc arm (3) and the second support arc arm (4) respectively, and fixedly connected to the sides of the third support arc arm (11) and the fourth support arc arm (12).

2. The tunnel engineering steel arch frame fixing device according to claim 1, characterized in that, The structure of the first support fixing device (1) is the same as that of the second support fixing device (2). The second support fixing device (2) includes a base (21). The base (21) has a connecting groove (22) at the front and rear positions of the center right side. The base (21) has a fixing hole seat (23) fixedly connected to the front and rear sides. Several fixing piles (24) are provided on the fixing hole seat (23).

3. The tunnel engineering steel arch frame fixing device according to claim 2, characterized in that, The base (21) is fixedly connected to the front and rear positions on the left side of the base (21), and the piston rod end of the lower side of the support cylinder (211) is fixedly connected to a universal wheel.

4. A steel arch fixing device for tunnel engineering according to claim 2, characterized in that, The base (21) has slots (25) on both the front and back sides; the outer wall of the base (21) is provided with an unfolding arm (28), which is connected to the outer wall of the right side of the base (21) by a hinge (27).

5. A steel arch fixing device for tunnel engineering according to claim 4, characterized in that, Both of the two unfolding arms (28) have a connecting groove 2 (29) on their inner sides. Both of the two unfolding arms (28) have a locking block (26) fixedly connected to their left outer sides. The locking block (26) is connected to the corresponding locking groove (25) and both of the two unfolding arms (28) have a universal wheel fixedly connected to their lower right bottom sides.

6. A steel arch fixing device for tunnel engineering according to claim 2, characterized in that, The base (21) is movably connected to the unfolding cylinder (210) via the first connecting groove (22), and the piston rod on the right side of the unfolding cylinder (210) is movably connected to the corresponding second connecting groove (29).

7. A steel arch fixing device for tunnel engineering according to claim 5, characterized in that, The card block (26) is arc-shaped and matches the inside of the card slot (25).

8. A steel arch fixing device for tunnel engineering according to claim 1, characterized in that, The centers of the supporting arc arm one (3), supporting arc arm two (4), supporting arc arm three (11), and supporting arc arm four (12) coincide.

9. A steel arch fixing device for tunnel engineering according to claim 1, characterized in that, The outer surface of the support block (5) is an arc surface.

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