CN217327353U

CN217327353U - Lifting type tunnel steel arch frame supporting device

Info

Publication number: CN217327353U
Application number: CN202220477568.2U
Authority: CN
Inventors: 李忠; 周志东; 陈家征; 林振奎; 刘传; 覃壮恩; 袁文佳; 黄伟洪; 张�浩; 高静; 崔颖; 张海东; 刘志鹏; 杨迎冬; 周泽林
Original assignee: Shijiazhuang Tiedao University; China Energy Group Third Engineering Bureau Co Ltd
Current assignee: Shijiazhuang Tiedao University; China Energy Group Third Engineering Bureau Co Ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-08-30
Anticipated expiration: 2032-03-07

Abstract

The utility model relates to the field of tunnel construction devices, in particular to an elevating type tunnel steel arch support device, one end of a lifting rod is fixedly arranged at two sides below a base, the other end of the lifting rod is provided with a stabilizing mechanism, the stabilizing mechanism comprises a sliding frame, two racks, a connecting block, a gear and a first rotating handle, the sliding frame is fixedly arranged at the other end of the lifting rod, the two racks are slidably arranged in the sliding frame, the connecting block is respectively and fixedly arranged at one end of the rack positioned at the outer side of the sliding frame, the gear is rotatably arranged in the sliding frame and is in meshed transmission with the racks at two sides, the first rotating handle penetrates through the sliding frame and is fixedly connected with the gear, and a pointed cone is fixedly arranged below the connecting block, when the steel arch is erected, the device can not only replace the manual steel arch support, but also is convenient for adjusting the erected height, the labor expenditure burden is greatly reduced, and meanwhile, no matter when the soft and hard ground is faced, the device can be well contacted with the ground to bear force, thereby ensuring the stability of the device and the steel arch frame.

Description

Lifting type tunnel steel arch support device

Technical Field

The utility model relates to a tunnel construction device field especially relates to an over-and-under type tunnel steel bow member strutting arrangement.

Background

At present, the steel arch frame installation for preliminary bracing of a tunnel depends on lifting and lifting operations of constructors by hands and shoulders, but because the steel arch frame is very heavy and has a narrow space in the tunnel, the construction speed is low, the installation efficiency of the steel arch frame is low, the constructors can prop up the steel arch frame for a long time, the labor intensity is greatly increased, the connection of adjacent steel arch frames is not aligned during installation, the steel arch frame is easy to slide down, safety accidents occur, in tunnels meeting soft and weak structural surfaces, such as faults, soft and weak interlayers and the like, construction such as three steps, reserved annular core soil method and the like is generally adopted, the construction operation surface of an upper step is really narrow and cannot be operated by large-scale mechanical equipment, when the preliminary bracing steel arch frame is installed, manual lifting is needed, the installation position of the steel arch frame is roughly positioned firstly, then a large number of workers are lifted up, and then slight adjustment is continuously carried out, therefore, the precision is not high, the labor intensity is easy to increase, and the lifting type tunnel steel arch support device is provided for solving the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that there is the potential safety hazard and the installation accuracy is not high in having artifical steel bow member of lifting among the prior art, and the over-and-under type tunnel steel bow member strutting arrangement who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the design is a lifting type tunnel steel arch support device, which comprises a base, wherein a fixed block is fixedly mounted on the base, and the lifting type tunnel steel arch support device further comprises:

the lifter, lifter one end fixed mounting be in base below both sides, stabilizing mean is installed to the lifter other end, stabilizing mean includes smooth frame, two racks, connecting block, gear, first handle of changeing, smooth frame fixed mounting be in the lifter other end, two rack slidable mounting be in the smooth frame, the connecting block respectively fixed mounting be in the rack is located smooth frame outside one end, the gear revolve install in the smooth frame and with both sides the rack toothing transmission, first handle of changeing runs through smooth frame with gear fixed connection, connecting block below fixed mounting has the pointed cone.

Preferably, still include supporting mechanism, supporting mechanism includes lifting rod, first sucking disc, lifting rod runs through the base reaches the fixed block and with the base reaches fixed block threaded connection, first sucking disc fixed mounting be in lifting rod lower extreme.

Preferably, still include fixture, fixture installs on the fixed block, set up the spout in the fixed block, fixture is including rotating base, two-way screw rod, two sliders, rack, the symmetry fixed mounting of rotating base is in fixed block top both sides, two-way screw rod rotate to be installed rotate in the middle of the base, two slider symmetry slidable mounting in the spout and threaded connection in the screw thread section on the two-way screw rod, rack fixed mounting be in the middle of the fixed block upper surface.

Preferably, the bidirectional screw is located one end of the outer side of the rotating base is fixedly provided with a second rotating handle, the fixed block is far away from one side of the second rotating handle, a driving motor is arranged inside the second rotating handle, and an output shaft of the driving motor is in transmission connection with the other end of the bidirectional screw.

Preferably, still include fixed establishment, fixed establishment installs on the slider, fixed establishment includes drive gear, pivot, riser, locating part, drive gear, sucking disc pole, second sucking disc, drive gear rotate respectively install in the slider and with two-way screw thread section threaded connection, pivot fixed mounting just rotate on the drive gear and run through the slider extends to the outside, the riser respectively fixed mounting be in on the slider, locating part fixed mounting be in the riser outside, drive gear fixed mounting be in the pivot and be in the locating part internal rotation, the external screw thread has been seted up to sucking disc pole outer wall, the sucking disc pole rotates to be installed in the locating part and with drive gear transmission is connected, second sucking disc fixed mounting be in the inboard one end of sucking disc pole.

The utility model provides a pair of over-and-under type tunnel steel bow member strutting arrangement, beneficial effect lies in:

through setting up base, fixed block, lifter, stabilizing mean for when the steel bow member was set up, use the device can not only replace artifical support steel bow member, also be convenient for adjust and set up the height, alleviate manpower expenditure burden greatly, simultaneously, no matter be in the face of soft or hard ground, use the device can both be fine with ground contact atress, thereby ensure that device and steel bow member are stable.

Drawings

Fig. 1 is the utility model provides a main view structure schematic diagram of over-and-under type tunnel steel bow member strutting arrangement.

Fig. 2 is the utility model provides a structural schematic diagram is looked sideways to over-and-under type tunnel steel bow member strutting arrangement.

Fig. 3 is the utility model provides a side view section structure schematic diagram of over-and-under type tunnel steel bow member strutting arrangement.

Fig. 4 is a front view sectional structure schematic diagram of the lifting type tunnel steel arch support device provided by the utility model.

Fig. 5 is a schematic view of the elevation-type steel arch support device for tunnel according to the present invention.

Fig. 6 is the utility model provides a stabilizing mean structural sketch of over-and-under type tunnel steel bow member strutting arrangement.

In the figure: the device comprises a base 1, a fixed block 2, a sliding groove 21, a lifting rod 3, a stabilizing mechanism 4, a sliding frame 41, a rack 42, a connecting block 43, a gear 44, a first rotating handle 45, a pointed cone 46, a supporting mechanism 5, a lifting rod 51, a first sucker 52, a clamping mechanism 6, a rotating base 61, a bidirectional screw 62, a sliding block 63, a placing frame 64, a second rotating handle 65, a driving motor 66, a fixing mechanism 7, a driving gear 71, a rotating shaft 72, a vertical plate 73, a limiting piece 74, a transmission gear 75, a sucker rod 76, a second sucker 77, an auxiliary mechanism 8, a connecting screw 81 and a connecting side plate 82.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-6, a lifting type tunnel steel arch support device comprises a base 1, wherein a fixed block 2 is fixedly mounted on the base 1, and the lifting type tunnel steel arch support device further comprises:

the lifting device comprises a lifting rod 3, one end of the lifting rod 3 is fixedly arranged on two sides below a base 1, the other end of the lifting rod 3 is provided with a stabilizing mechanism 4, the stabilizing mechanism 4 comprises a sliding frame 41, two racks 42, a connecting block 43, a gear 44 and a first rotating handle 45, the sliding frame 41 is fixedly arranged on the other end of the lifting rod 3, the two racks 42 are slidably arranged in the sliding frame 41, the connecting block 43 is respectively and fixedly arranged at one end of the rack 42 positioned on the outer side of the sliding frame 41, the gear 44 is rotatably arranged in the sliding frame 41 and is in meshed transmission with the racks 42 on the two sides, the first rotating handle 45 penetrates through the sliding frame 41 and is fixedly connected with the gear 44, a pointed cone 46 is fixedly arranged below the connecting block 43, when the lifting device is used, the lifting device is firstly erected, the first rotating handle 45 and the gear 44 are rotated according to the terrain and soil conditions to drive the racks 42 and the connecting block 43 to move in opposite directions, so as to adjust the distance between the adjacent pointed cones 46, at the moment, the pointed cones 46 are inserted into the ground, and (6) stabilizing.

Still include supporting mechanism 5, supporting mechanism 5 is including lifting pole 51, first sucking disc 52, lift pole 51 run through base 1 and fixed block 2 and with

base

1 and 2 threaded connection of fixed block, first sucking disc 52 fixed mounting lifts pole 51 lower extreme, sets up supporting mechanism 5 for when the more smooth ground of stereoplasm is set up, rotate lifting pole 51, make it descend, utilize first sucking disc 52 to adsorb ground and carry out spacingly to the device, avoid the device to receive external force to slide.

The clamping device comprises a clamping mechanism 6, the clamping mechanism 6 is installed on a fixed block 2, a sliding groove 21 is formed in the fixed block 2, the clamping mechanism 6 comprises a rotating base 61, a two-way screw 62, two sliding blocks 63 and a placing frame 64, the rotating base 61 is symmetrically and fixedly installed on two sides above the fixed block 2, the two-way screw 62 is rotatably installed in the middle of the rotating base 61, the two sliding blocks 63 are symmetrically and slidably installed in the sliding groove 21 and are in threaded connection with the upper thread section of the two-way screw 62, the placing frame 64 is fixedly installed in the middle of the upper surface of the fixed block 2, the clamping mechanism 6 is arranged and can clamp and fix a steel arch frame to avoid safety accidents caused by the slippage of the steel arch frame, a second rotating handle 65 is fixedly installed at one end, located on the outer side of the rotating base 61, of the fixed block 2, far away from the second rotating handle 65, a driving motor 66 is installed inside, and an output shaft of the driving motor 66 is in transmission connection with the other end of the two-way screw 62, place the steel bow member on rack 64, rotate two-way screw rod 62, make the slider 63 with its both sides screw thread section threaded connection move in opposite directions, simultaneously, because slider 63 slides in spout 21, so can keep horizontal migration, set up second and change handle 65, driving motor 66, not only can use driving motor 66 quick adjustment slider 63 moving speed, can be when driving motor 66 does not have the power supply simultaneously, artifical manual rotation second changes handle 65 and adjusts.

Through setting up base 1, fixed block 2, lifter 3, stabilizing mean 4 for when the steel bow member was set up, use the device can not only replace artifical support steel bow member, also be convenient for adjust and set up the height, alleviate manpower expenditure burden greatly, simultaneously, no matter be in the face of soft or hard ground, use the device can both be fine with ground contact atress, thereby ensure that device and steel bow member are stable.

Example 2

According to embodiment 1, in embodiment 1, when a steel arch is erected, the device can be used for replacing a manual steel arch support, the erection height can be conveniently adjusted, the labor expenditure burden is greatly reduced, meanwhile, the device can be well in contact with the ground and bear force no matter whether the steel arch faces soft or hard ground, and therefore the stability of the device and the steel arch is ensured, however, when the steel arch is clamped, the steel arch cannot be well fixed, the steel arch is easy to slip, and referring to fig. 1-6, as another preferred embodiment of the invention, on the basis of embodiment 1, a fixing mechanism 7 is further included.

The fixing mechanism 7 is installed on the sliding block 63, the fixing mechanism 7 includes a driving gear 71, a rotating shaft 72, a vertical plate 73, a limiting piece 74, a transmission gear 75, a suction cup rod 76 and a second suction cup 77, the driving gear 71 is respectively installed in the sliding block 63 in a rotating manner and is in threaded connection with the threaded section of the bidirectional screw 62, the rotating shaft 72 is installed on the driving gear 71 in a rotating manner and extends to the outside through the sliding block 63, the vertical plate 73 is respectively installed on the sliding block 63 in a fixed manner, the limiting piece 74 is installed on the outer side of the vertical plate 73, the transmission gear 75 is installed on the rotating shaft 72 and rotates in the limiting piece 74, an external thread is formed on the outer wall of the suction cup rod 76, the suction cup rod 76 is installed in the limiting piece 74 in a rotating manner and is in transmission connection with the transmission gear 75, the second suction cup 77 is installed at one end of the inner side of the suction cup rod 76, when the steel arch is clamped and fixed, the sliding block 63 is driven by the bidirectional screw 62 to move, the driving gear 71, the rotating shaft 72 and the transmission gear 75 are also driven to synchronously rotate, so that the two sucking disc rods 76 are driven to slide oppositely, and the second sucking disc 77 is adsorbed on the surface of the steel arch frame to avoid slipping.

The working principle is as follows: when the device is used, the device is erected firstly, the first rotating handle 45 and the gear 44 are rotated according to the terrain and soil conditions to drive the rack 42 and the connecting block 43 to move oppositely, so as to adjust the distance between the adjacent pointed cones 46, at the moment, the pointed cones 46 are inserted into the ground to be stable, when the hard and smooth ground is erected, the lifting rod 51 is rotated to descend, the device is limited by utilizing the first sucking disc 52 to adsorb the ground, the device is prevented from sliding under external force, the steel arch is placed on the placing frame 64, the bidirectional screw 62 is rotated to enable the sliding blocks 63 in threaded connection with the threaded sections on the two sides of the steel arch to move oppositely, meanwhile, the sliding blocks 63 slide in the sliding grooves 21, so that the sliding blocks can keep moving horizontally, the second rotating handle 65 and the driving motor 66 are arranged, the moving speed of the sliding blocks 63 can be quickly adjusted by using the driving motor 66, and meanwhile, when the driving motor 66 has no power supply, the second rotating handle 65 is manually rotated to adjust, when the steel arch is required to be clamped and fixed, the bidirectional screw 62 rotates to drive the sliding block 63 to move, and simultaneously drives the driving gear 71, the rotating shaft 72 and the transmission gear 75 to synchronously rotate, so that the two sucking disc rods 76 are driven to slide oppositely, and the second sucking disc 77 is adsorbed on the surface of the steel arch to avoid slipping.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a over-and-under type tunnel steel bow member strutting arrangement, includes base (1), fixed mounting has fixed block (2) on base (1), its characterized in that still includes:

one end of the lifting rod (3) is fixedly arranged at two sides below the base (1), the other end of the lifting rod (3) is provided with a stabilizing mechanism (4), the stabilizing mechanism (4) comprises a sliding frame (41), two racks (42), a connecting block (43), a gear (44) and a first rotating handle (45), the sliding frame (41) is fixedly arranged at the other end of the lifting rod (3), the two racks (42) are arranged in the sliding frame (41) in a sliding way, the connecting blocks (43) are respectively and fixedly arranged at one end of the rack (42) positioned at the outer side of the sliding frame (41), the gear (44) is rotatably arranged in the sliding frame (41) and is in meshed transmission with the racks (42) on two sides, the first rotating handle (45) penetrates through the sliding frame (41) and is fixedly connected with the gear (44), and a pointed cone (46) is fixedly installed below the connecting block (43).

2. The lifting type tunnel steel arch support device according to claim 1, further comprising a support mechanism (5), wherein the support mechanism (5) comprises a lifting rod (51) and a first suction cup (52), the lifting rod (51) penetrates through the base (1) and the fixing block (2) and is in threaded connection with the base (1) and the fixing block (2), and the first suction cup (52) is fixedly installed at the lower end of the lifting rod (51).

3. The lifting type tunnel steel arch support device according to claim 1, further comprising a clamping mechanism (6), wherein the clamping mechanism (6) is installed on the fixed block (2), a sliding groove (21) is formed in the fixed block (2), the clamping mechanism (6) comprises a rotating base (61), a two-way screw (62), two sliding blocks (63) and a placing frame (64), the rotating base (61) is symmetrically and fixedly installed on two sides above the fixed block (2), the two-way screw (62) is rotatably installed in the middle of the rotating base (61), the two sliding blocks (63) are symmetrically and slidably installed in the sliding groove (21) and are in threaded connection with the upper thread section of the two-way screw (62), and the placing frame (64) is fixedly installed in the middle of the upper surface of the fixed block (2).

4. The lifting type tunnel steel arch support device according to claim 3, wherein a second turning handle (65) is fixedly installed at one end of the bidirectional screw (62) located at the outer side of the turning base (61), a driving motor (66) is installed inside one side, away from the second turning handle (65), of the fixed block (2), and an output shaft of the driving motor (66) is in transmission connection with the other end of the bidirectional screw (62).

5. The lifting type tunnel steel arch support device according to claim 4, further comprising a fixing mechanism (7), wherein the fixing mechanism (7) is installed on the sliding block (63), the fixing mechanism (7) comprises a driving gear (71), a rotating shaft (72), a vertical plate (73), a limiting member (74), a transmission gear (75), a suction cup rod (76), and a second suction cup (77), the driving gear (71) is respectively rotatably installed in the sliding block (63) and is in threaded connection with the threaded section of the bidirectional screw (62), the rotating shaft (72) is fixedly installed on the driving gear (71) and rotatably penetrates through the sliding block (63) to extend to the outside, the vertical plate (73) is respectively fixedly installed on the sliding block (63), the limiting member (74) is fixedly installed on the outside of the vertical plate (73), the transmission gear (75) is fixedly installed on the rotating shaft (72) and is rotatably installed in the limiting member (74) And the outer wall of the sucker rod (76) is provided with an external thread, the sucker rod (76) is rotatably installed in the limiting part (74) and is in transmission connection with the transmission gear (75), and the second sucker (77) is fixedly installed at one end of the inner side of the sucker rod (76).