CN214464210U

CN214464210U - Supporting device for tunnel construction

Info

Publication number: CN214464210U
Application number: CN202120624241.9U
Authority: CN
Inventors: 袁蕊强; 宫成祥; 郑树国; 鲁军军
Original assignee: Mcc South China Construction Engineering Co ltd
Current assignee: Mcc South China Construction Engineering Co ltd
Priority date: 2021-03-27
Filing date: 2021-03-27
Publication date: 2021-10-22
Anticipated expiration: 2031-03-27

Abstract

The application relates to a supporting device for tunnel construction, which belongs to the technical field of tunnels and underground engineering and comprises a mounting seat provided with a mounting cavity and a sliding cavity; the positioning component is arranged on the mounting seat; a lifting platform arranged on the mounting base; the driving component is arranged on the mounting seat; the supporting component is arranged on the lifting platform and comprises a mounting roller horizontally mounted on the lifting platform; a first support rod rotatably mounted on the mounting roller; the rotating ring is arranged on one side of the first supporting rod close to the mounting roller; and a support plate installed at a side of the first support rod away from the installation roller. This application has the angle that the adjustment of being convenient for supported the tunnel inside wall, and the effect of support is improved to the inside wall in abundant conflict tunnel.

Description

Supporting device for tunnel construction

Technical Field

The application relates to the field of tunnel and underground engineering technology, in particular to a supporting device for tunnel construction.

Background

In more and more urban construction, tunnels are often required to be excavated, in tunnel construction, collapse is easily caused due to unstable structure of a newly excavated tunnel, and common tunnel supporting equipment is a supporting device for tunnel construction.

At present, the staff generally sets up supporting device in the tunnel, contradicts the inside wall in tunnel, plays the supporting role to the tunnel.

In view of the related art in the above, the inventors consider that there are drawbacks in that: traditional strutting arrangement is not convenient for adjust the angle that supports the tunnel inside wall, and the inside wall in the conflict tunnel that can not be abundant in tunnel inside wall unevenness department leads to the reducing of support effect. For this reason, further improvement is awaited.

SUMMERY OF THE UTILITY MODEL

In order to improve the support effect, this application provides a supporting device for tunnel construction.

The application provides a supporting device for tunnel construction adopts following technical scheme:

a supporting device for tunnel construction comprises a mounting seat provided with a mounting cavity and a sliding cavity; the positioning assembly is arranged on the mounting seat and positioned in the mounting cavity and used for limiting the position of the mounting seat; the lifting platform is arranged on the mounting seat; the driving assembly is arranged on the mounting seat and positioned in the sliding cavity and used for driving the lifting platform to vertically move; the supporting component is arranged on the lifting platform and used for supporting the inner side wall of the tunnel, and comprises a mounting roller horizontally mounted on the lifting platform; a first support rod rotatably mounted on the mounting roller; the rotating ring is arranged on one side of the first supporting rod, which is close to the mounting roller, and the axis direction of the rotating ring is consistent with the axis direction of the mounting roller; and the supporting plate is arranged on one side, far away from the installation roller, of the first supporting rod, the installation cavity is positioned at the bottom of the installation seat, and the sliding cavity is positioned at the top of the installation seat.

By adopting the technical scheme, the contact area between the first supporting rod and the inner side wall of the tunnel can be increased by the arranged supporting plate, so that the supporting effect of the first supporting rod on the tunnel is improved; and the swivel becket that sets up can make things convenient for the staff to rotate first bracing piece in the unsmooth department of tunnel inside wall, lies in level and smooth department until the backup pad, makes the backup pad fully contact the inside wall in tunnel, improves the practicality of backup pad then.

Optionally, the driving assembly comprises a driving rod horizontally mounted on the sliding cavity of the mounting seat; the driving bevel gear is arranged on the part, located in the mounting seat, of the driving rod; the driving threaded rod is vertically arranged on the mounting seat; the driven bevel gear is arranged on one side, close to the driving rod, of the driving threaded rod and meshed with the driving bevel gear; the sliding plate is horizontally arranged on one side, away from the driven bevel gear, of the driving threaded rod; a sliding block disposed on the sliding plate side wall; the sliding groove is formed in the mounting seat, is positioned in the sliding cavity and is matched with the sliding block, and the extending direction of the sliding groove is parallel to the height direction of the mounting seat; and the lifting column is arranged on one side of the sliding plate, which is far away from the driving rod, and is connected with the bottom wall of the lifting platform.

Through adopting above-mentioned technical scheme, the drive threaded rod that sets up can make things convenient for the staff to make vertical motion through rotating the actuating lever, makes things convenient for the staff to adjust the elevating platform then for the distance of tunnel inside wall to make the contact tunnel inside wall that the backup pad can be better.

Optionally, the positioning assembly includes a positioning plate slidably mounted on the mounting seat and located in the mounting cavity; the positioning column is arranged on one side of the positioning plate, which is far away from the driving rod; the positioning opening is formed in the mounting seat, is positioned on the bottom wall of the mounting cavity and is matched with the positioning column; the driving block is horizontally arranged on the side wall of the positioning plate and penetrates out of the mounting seat; and the driving port is arranged on the side wall of the mounting seat, is matched with the driving block and has an opening direction parallel to the axial direction of the driving rod.

By adopting the technical scheme, the positioning column can be vertically inserted into the ground, so that the displacement of the mounting seat is reduced, and the stability of the mounting seat is improved; the driving block is arranged, so that the position of the positioning plate can be conveniently adjusted by a worker, and the usability of the positioning plate is improved.

Optionally, the supporting plate is arc-shaped, and the notch of the supporting plate is arranged towards one side of the mounting roller.

Through adopting above-mentioned technical scheme, the backup pad of setting is the circular arc type, can make the better laminating tunnel inside wall of backup pad, improves the backup pad then to the support effect in tunnel.

Optionally, the two sides of the first support rod are symmetrically provided with a second support rod, one end of the second support rod is connected with the support plate, and the other end of the second support rod is connected with the rotating ring.

Through adopting above-mentioned technical scheme, the second bracing piece that sets up can increase the area of contact of swivel becket and backup pad, then improves the stability of backup pad.

Optionally, one side of the first support rod, which is close to the second support rod, is provided with an inclined surface, and the cross-sectional area of the first support rod is gradually reduced towards the direction close to the support plate.

Through adopting above-mentioned technical scheme, the inclined plane of setting can make first bracing piece non-deformable, improves the stability and the tightness of first bracing piece then to improve the practicality of first bracing piece.

Optionally, one side of the positioning column, which is far away from the positioning plate, is provided with a positioning head in a quadrangular pyramid shape.

Through adopting above-mentioned technical scheme, the location head of setting can reduce the area of contact of reference column and soil, reduces the frictional force when reference column inserts the soil then, makes in the reference column can be better inserts the soil to improve the location effect after the reference column inserts the soil.

Optionally, the rotating ring is provided with a positioning hole, an extending direction of which is parallel to the axis direction of the mounting roller, and the lifting platform is horizontally provided with a positioning rod matched with the positioning hole.

Through adopting above-mentioned technical scheme, the locating lever of setting can pass through the locating hole, and the position of restriction swivel becket reduces the swivel becket and because of the pivoted condition of gravity to improve the stability of swivel becket.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the supporting plate can increase the contact area between the first supporting rod and the inner side wall of the tunnel, so that the supporting effect of the first supporting rod on the tunnel is improved, and the rotating ring is arranged at the unsmooth position of the inner side wall of the tunnel, so that a worker can conveniently rotate the first supporting rod until the supporting plate is positioned at the smooth position, so that the supporting plate is in full contact with the inner side wall of the tunnel, and the practicability of the supporting plate is improved;

2. the reference column that sets up can be made in the vertical soil that inserts, reduces the condition that the mount pad shifted to improve the stability of mount pad, and the location head that sets up can reduce the area of contact of reference column and soil, then reduces the frictional force when the reference column inserts the soil, makes in the soil that inserts that the reference column can be better, thereby improves the location effect after the reference column inserts the soil.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a sectional view for embodying the positioning plate in the embodiment of the present application.

Fig. 3 is a schematic structural diagram for embodying the positioning head in the embodiment of the present application.

Description of reference numerals: 1. a mounting seat; 11. a mounting cavity; 111. positioning a plate; 112. a positioning column; 113. a drive block; 114. positioning the head; 12. a sliding cavity; 121. a drive rod; 122. a drive bevel gear; 123. driving the threaded rod; 124. a driven bevel gear; 125. a sliding plate; 126. a slider; 127. a sliding groove; 128. a lifting column; 13. positioning the opening; 14. a drive port; 2. a lifting platform; 21. mounting a roller; 22. a first support bar; 221. an inclined surface; 23. a rotating ring; 231. positioning holes; 24. a support plate; 25. a second support bar; 26. positioning a rod; 3. a universal wheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a supporting device for tunnel construction. Referring to fig. 1, the supporting device comprises a mounting base 1, a lifting platform 2 and four universal wheels 3, wherein the lifting platform 2 is mounted on the mounting base 1, and a worker can change the position of the mounting base 1 in a tunnel through the universal wheels 3 until the mounting base 1 is located at a preset supporting position in the tunnel.

Referring to fig. 2, in order to limit the position of the mounting base 1 after the worker changes the position of the mounting base 1, and reduce the displacement of the mounting base 1, so a mounting cavity 11 is formed in the mounting base 1, the mounting cavity 11 is located at the bottom of the mounting base 1, in this embodiment, the mounting cavity 11 is rectangular, meanwhile, a positioning assembly is arranged in the mounting cavity 11 on the mounting base 1, in this embodiment, the positioning assembly includes a positioning plate 111 and twenty-five positioning columns 112, the positioning plate 111 is slidably mounted in the mounting base 1 and located in the mounting cavity 11, and the twenty-five positioning columns 112 are all mounted on one side of the positioning plate 111 close to the ground.

Referring to fig. 2 and 3, in order to limit the position of the mounting base 1, twenty-five positioning holes 13 are further formed in the bottom wall of the mounting cavity 11 of the mounting base 1, the contour of each positioning hole 13 is matched with the shape of a positioning column 112, so that in order to facilitate a worker to slide the positioning plate 111, a driving block 113 is horizontally arranged on the side wall of the positioning plate 111, the driving block 113 penetrates through the side wall of the mounting base 1, meanwhile, a driving hole 14 is formed in the side wall of the mounting base 1, in the embodiment, the driving hole 14 is rectangular, the contour of the driving hole 14 is matched with the shape of the driving block 113, and the opening direction of the driving hole 14 is parallel to the bottom wall of the mounting base 1.

After the worker changes the position of the mounting seat 1, the positioning plate 111 is moved vertically downward through the driving block 113, and twenty-five positioning columns 112 penetrate through the corresponding positioning openings 13 until the twenty-five positioning columns 112 are tightly inserted into the ground, so that the position of the mounting seat 1 is limited.

Referring to fig. 1 and 2, in order to facilitate the tight insertion of the positioning columns 112 into the ground, positioning heads 114 are disposed on the sides of the twenty-five positioning columns 112 away from the positioning plate 111, and the positioning heads 114 are in a quadrangular pyramid shape, so as to reduce the friction between the positioning columns 112 and the ground when the positioning columns 112 vertically move downward, and enable the positioning columns 112 to be better inserted into the ground.

Referring to fig. 1 and 2, in order to facilitate the worker to adjust the position of the lifting platform 2 to enable the supporting device to better support the tunnel, a sliding cavity 12 is formed in the mounting base 1, the sliding cavity 12 is located at the top of the mounting base 1, in this embodiment, the sliding cavity 12 is rectangular, a driving component is arranged in the sliding cavity 12 on the mounting base 1, in this embodiment, the driving component includes a driving rod 121 and a driving threaded rod 123, the driving rod 121 is horizontally installed on the mounting base 1 on the sliding cavity 12, one end of the driving rod 121 penetrates out of the mounting base 1, the other end of the driving rod 121 is located in the mounting base 1, the axial direction of the driving rod 121 is parallel to the opening direction of the driving port 14, a driving bevel gear 122 is installed on the inner part of the driving rod 121 on the mounting base 1, the driving threaded rod 123 is vertically installed on the mounting base 1 in the sliding cavity 12, a driven bevel gear 124 is installed on one side of the driving threaded rod 123 close to the driving rod 121, the driven bevel gear 124 is engaged with the drive bevel gear 122, a sliding plate 125 is horizontally installed on one side of the driving threaded rod 123 away from the driven bevel gear 124, four lifting columns 128 are installed on one side of the sliding plate 125 away from the driving rod 121, and the four lifting columns 128 are all connected with the bottom wall of the lifting platform 2.

Referring to fig. 2, in order to reduce the rotation of the sliding plate 125 along with the driving threaded rod 123 and improve the stability of the vertical movement of the sliding plate 125, four sliding blocks 126 are disposed on the side wall of the sliding plate 125, and at the same time, four sliding grooves 127 are disposed in the sliding cavity 12 on the mounting base 1, the profile of the sliding grooves 127 is adapted to the shape of the sliding blocks 126, and the extending direction of the sliding grooves 127 is parallel to the height direction of the mounting base 1.

When the worker needs to adjust the position of the lifting platform 2 relative to the inner side wall of the tunnel, the driving rod 121 is rotated, the driving bevel gear 122 is driven, the driving threaded rod 123 rotates under the action of the driven bevel gear 124 to drive the sliding plate 125 to move vertically upwards, and the lifting platform 2 moves vertically upwards under the action of the lifting column 128 until the lifting platform 2 is close to the preset position of the inner side wall of the tunnel.

Referring to fig. 1, in order to support the tunnel from more angles and improve the supporting effect, a supporting assembly is provided on an elevating platform 2, in this embodiment, the supporting assembly includes a mounting roller 21 and three first supporting rods 22, the mounting roller 21 is horizontally mounted on the lifting table 2, and the three first supporting rods 22 are rotatably mounted on the mounting roller 21, and at the same time, rotating rings 23 are respectively arranged on one sides of the three first supporting rods 22 close to the mounting roller 21, the axial directions of the three rotating rings 23 are consistent with the axial direction of the mounting roller 21, on the sides of the three first support bars 22 remote from the mounting roller 21, support plates 24 are mounted, which support plates 24 can abut against the inner side walls of the tunnel, play the supporting role to the tunnel, in order to make the better tunnel inside wall of contradicting of backup pad 24, so three backup pad 24 all is the circular arc type, and backup pad 24's notch direction is towards installation roller 21 one side.

When the inner side wall of the tunnel is partially uneven, a worker can rotate the rotating ring 23 around the axis of the mounting roller 21 according to actual conditions, the first supporting rod 22 is driven, and the supporting plate 24 moves circularly around the axis of the mounting roller 21 until the supporting plate 24 is positioned at a position where the inner side wall of the tunnel is relatively smooth.

Referring to fig. 1, in order to restrict the position of the rotating ring 23 and improve the stability of the supporting plate 24 after the worker changes the angle of the supporting plate 24 with respect to the inner wall of the tunnel, a plurality of positioning holes 231 are formed in each of the three rotating rings 23, the extending direction of the positioning holes 231 is parallel to the axial direction of the mounting roller 21, a positioning rod 26 is horizontally mounted on the elevating platform 2, and the shape of the positioning rod 26 is adapted to the contour of the positioning hole 231.

After the worker changes the angle of the support plate 24 with respect to the inner side wall of the tunnel, the positioning rod 26 is horizontally moved until the positioning rod 26 passes through the positioning holes 231 of the three rotating rings 23, thereby restricting the rotating rings 23 from rotating.

Referring to fig. 1, in order to further improve the stability of the supporting plates 24, second supporting rods 25 are symmetrically installed on both sides of the three first supporting rods 22, and one ends of the six second supporting rods 25 are connected to the corresponding supporting plates 24, and the other ends are connected to the corresponding rotating rings 23.

Referring to fig. 1, in order to stabilize the first support bars 22, inclined surfaces 221 are provided on the three first support bars 22 on the sides close to the corresponding second support bars 25, and the cross-sectional areas of the three first support bars 22 are gradually reduced toward the support plate 24.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a supporting device for tunnel construction which characterized in that: comprises a mounting seat (1) provided with a mounting cavity (11) and a sliding cavity (12); the positioning component is arranged on the mounting seat (1) and positioned in the mounting cavity (11) and used for limiting the position of the mounting seat (1); a lifting platform (2) arranged on the mounting base (1); the driving component is arranged on the mounting seat (1) and positioned in the sliding cavity (12) and used for driving the lifting platform (2) to do vertical movement; the supporting component is arranged on the lifting platform (2) and used for supporting the inner side wall of the tunnel, and comprises a mounting roller (21) horizontally mounted on the lifting platform (2); a first support rod (22) rotatably mounted on the mounting roller (21); a rotating ring (23) which is arranged on one side of the first supporting rod (22) close to the mounting roller (21) and the axial direction of which is consistent with the axial direction of the mounting roller (21); and the supporting plate (24) is arranged on one side, far away from the installation roller (21), of the first supporting rod (22), the installation cavity (11) is located at the bottom of the installation seat (1), and the sliding cavity (12) is located at the top of the installation seat (1).

2. The support device for tunnel construction according to claim 1, wherein: the driving assembly comprises a driving rod (121) which is horizontally arranged on the mounting seat (1) and is positioned on the sliding cavity (12); a drive bevel gear (122) arranged on the drive rod (121) and positioned in the mounting seat (1); a driving threaded rod (123) vertically mounted on the mounting base (1); a driven bevel gear (124) which is arranged on one side of the driving threaded rod (123) close to the driving rod (121) and is meshed with the driving bevel gear (122); a sliding plate (125) horizontally arranged on one side of the driving threaded rod (123) far away from the driven bevel gear (124); a sliding block (126) provided on a side wall of the sliding plate (125); a sliding groove (127) which is arranged on the mounting seat (1), is positioned in the sliding cavity (12), is matched with the sliding block (126) and has an extending direction parallel to the height direction of the mounting seat (1); and a lifting column (128) which is arranged on one side of the sliding plate (125) far away from the driving rod (121) and is connected with the bottom wall of the lifting platform (2).

3. The support device for tunnel construction according to claim 1, wherein: the positioning assembly comprises a positioning plate (111) which is slidably mounted on the mounting base (1) and is positioned in the mounting cavity (11); a positioning column (112) arranged on one side of the positioning plate (111) far away from the driving rod (121); the positioning opening (13) is formed in the mounting seat (1), is positioned on the bottom wall of the mounting cavity (11) and is matched with the positioning column (112); the driving block (113) is horizontally arranged on the side wall of the positioning plate (111) and penetrates out of the mounting base (1); and the driving opening (14) is formed in the side wall of the mounting seat (1), is matched with the driving block (113), and has an opening direction parallel to the axial direction of the driving rod (121).

4. The support device for tunnel construction according to claim 1, wherein: the supporting plate (24) is arc-shaped, and the notch of the supporting plate (24) is arranged towards one side of the mounting roller (21).

5. The support device for tunnel construction according to claim 1, wherein: and second support rods (25) with one ends connected with the support plates (24) and the other ends connected with the rotating rings (23) are symmetrically arranged on two sides of the first support rods (22).

6. The support device for tunnel construction according to claim 1, wherein: one side of the first support rod (22) close to the second support rod (25) is provided with an inclined surface (221), and the sectional area of the first support rod (22) is gradually reduced towards the direction close to the support plate (24).

7. The support device for tunnel construction according to claim 3, wherein: one side of the positioning column (112) far away from the positioning plate (111) is provided with a positioning head (114) in a quadrangular pyramid shape.

8. The support device for tunnel construction according to claim 1, wherein: the rotating ring (23) is provided with a positioning hole (231) with the extending direction parallel to the axis direction of the mounting roller (21), and the lifting platform (2) is horizontally provided with a positioning rod (26) matched with the positioning hole (231).