CN214247366U - Connecting channel support frame - Google Patents
Connecting channel support frame Download PDFInfo
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- CN214247366U CN214247366U CN202122005479.6U CN202122005479U CN214247366U CN 214247366 U CN214247366 U CN 214247366U CN 202122005479 U CN202122005479 U CN 202122005479U CN 214247366 U CN214247366 U CN 214247366U
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Abstract
The utility model discloses a junctional passage support frame, include: the device comprises a vertical telescopic supporting device, a lateral telescopic supporting device, a top supporting block, a bottom supporting block and two side supporting blocks; the two side supporting blocks are respectively arranged at two ends of the top supporting block; two ends of the side supporting block are respectively connected with the bottom supporting block and the top supporting block, one end of the side supporting block is hinged, and the other end of the side supporting block is hinged through a transition telescopic device; one end of the lateral telescopic supporting device is hinged with the vertical telescopic supporting device, and the other end of the lateral telescopic supporting device is hinged with the side supporting block so as to push the side supporting block to transversely and outwardly rotate and unfold; the vertical telescopic supporting device is used for driving the top supporting block to lift relative to the bottom supporting block. This contact passageway support frame realizes mechanical automation to the tunnel inner wall and supports in order to reduce manual work and the inconvenient problem of support frame operation when tunnel contact passageway construction.
Description
Technical Field
The utility model relates to a passageway supports technical field, and more specifically says, relates to a junctional passage support frame.
Background
The communication channel is usually arranged between the two-line tunnels and is connected with the two main tunnels so as to meet multiple requirements of later service, risk avoidance, rescue and the like. The construction method adopted by the traditional connection channel construction mainly comprises freezing method construction and grouting reinforcement method construction, the methods need to reinforce and stop the stratum and then adopt a manual excavation mode, and the defects of complex settlement control, low construction efficiency, high cost, long construction period, low safety of constructors and the like exist. The existing push pipe originating frame supporting system is inconvenient to mount and dismount.
In summary, how to effectively solve the problem of inconvenient operation of the supporting frame of the communication channel is a problem which needs to be solved urgently by the technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a contact passageway support frame, this contact passageway support frame can solve contact passageway support frame inconvenient problem of operation effectively.
In order to achieve the above object, the utility model provides a following technical scheme:
a gangway support frame comprising: the device comprises a vertical telescopic supporting device, a lateral telescopic supporting device, a top supporting block, a bottom supporting block and two side supporting blocks; the two side supporting blocks are respectively arranged at two ends of the top supporting block; two ends of the side supporting block are respectively connected with the bottom supporting block and the top supporting block, one end of the side supporting block is hinged, and the other end of the side supporting block is hinged through a transition telescopic device; one end of the lateral telescopic supporting device is hinged with the vertical telescopic supporting device, and the other end of the lateral telescopic supporting device is hinged with the side supporting block so as to push the side supporting block to transversely and outwardly rotate and unfold; the vertical telescopic supporting device is used for driving the top supporting block to lift relative to the bottom supporting block.
In the communication channel support frame, when in use, the vertical telescopic support device is firstly operated to enable the top support block to approach the bottom support block so as to be contracted in the up-down direction; operating the lateral telescopic supporting devices at two sides, and enabling the supporting blocks at the side edges at the two sides to approach to the center at the same time; so as to be in a contracted state for convenient transportation. And when the support position is transported, the vertical telescopic support device starts to work at the moment so as to push the top support block to move upwards relative to the bottom support block, so that the top support block is propped against the top of the inner wall of the tunnel, and the bottom support block is propped against the bottom of the inner wall of the tunnel, so that the support is realized in the up-and-down direction. Then the side direction telescopic supporting device is operated to push the side supporting blocks at two sides to rotate outwards until the side supporting blocks are correspondingly abutted against two sides of the tunnel, and at the moment, the transition telescopic device is adaptively telescopic to adapt to the rotation of the side supporting blocks, so that the complete support of the whole contact channel supporting frame is completed. In this contact passageway support frame, through operation vertical flexible strutting arrangement and the flexible strutting arrangement of side direction, can be so that top supporting shoe, bottom sprag piece and two side supporting shoes are close to each other to the shrink to convenient transportation, can also realize that above-mentioned each structure expandes through operation vertical flexible strutting arrangement and the flexible strutting arrangement of side direction simultaneously, in order to realize supporting the tunnel from top to bottom, the left and right sides. To sum up, this contact passageway support frame realizes mechanized support in order to reduce manual work and the inconvenient problem of support frame operation when tunnel contact passageway construction to the tunnel inner wall.
Preferably, the upper ends of the two side supporting blocks are hinged to the top supporting block, the transition telescopic device can be locked, and the two ends of the transition telescopic device are hinged to the lower ends of the side supporting blocks and one side of the bottom supporting block respectively.
Preferably, at least two of the vertical telescopic supporting devices are transversely arranged in parallel to be connected with the side supporting block on the corresponding side through a lateral telescopic supporting device.
Preferably, the vertical telescopic supporting device comprises an upright column and at least two supporting hydraulic oil cylinders arranged on the upright column, wherein one of the supporting hydraulic oil cylinders is used for pushing the top supporting block to ascend when telescopic, the other supporting hydraulic oil cylinder is used for pushing the bottom supporting block to descend when telescopic, and the lateral telescopic supporting device is hinged to the upright column.
Preferably, the support device further comprises a bottom support platform installed between the bottom support block and the vertical telescopic support device.
Preferably, the stand includes upper pipe fitting and lower pipe fitting of placing from top to bottom and through bolt detachable connection between, lower pipe fitting with bottom sprag platform welded connection.
Preferably, the bottom support platform has a shield tunneling machine erection slot.
Preferably, in the longitudinal direction of the tunnel, two parallel and level upright posts are connected through a connecting plate, and two ends of the connecting plate are hinged with the upright posts.
Preferably, the support structure further comprises an inclined support, and two ends of the inclined support are respectively connected with the upright post and the bottom supporting platform.
Preferably, the bottom supporting platform is connected with a vertically arranged stop screw in a threaded manner, and the lower end of the stop screw can be exposed out of the lower side of the bottom supporting platform.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a communication channel support frame provided in an embodiment of the present invention in a longitudinal direction of a tunnel;
fig. 2 is a schematic structural view of a supporting frame of a communication channel provided in an embodiment of the present invention in a transverse direction of a tunnel.
The drawings are numbered as follows:
the shield tunneling machine comprises a top supporting block 1, a supporting hydraulic oil cylinder 2, an upright post 3, a connecting flange 4, a front supporting block 5, a lateral telescopic supporting device 6, a stop screw 7, a transition telescopic device 8, a bottom supporting block 9, a bottom supporting platform 10, an inclined support 11, a rear supporting block 12, a connecting plate 13 and a shield tunneling machine erection groove 14.
Detailed Description
The embodiment of the utility model discloses interconnection passageway support frame to solve the inconvenient problem of interconnection passageway support frame operation effectively.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, fig. 1 is a schematic structural view of a communication channel support frame provided in an embodiment of the present invention in a longitudinal direction of a tunnel; fig. 2 is a schematic structural view of a supporting frame of a communication channel provided in an embodiment of the present invention in a transverse direction of a tunnel.
In one embodiment, the present embodiment provides a communication tunnel support frame, primarily a communication tunnel support frame, for placement in an originating tunnel for supporting and installing communication tunnel boring equipment. The support frame can be a steel body type connection channel support frame, namely a steel structure is mainly adopted, and a small part or none of the support frame is of a non-steel structure. Specifically, the communication channel supporting frame mainly comprises a vertical telescopic supporting device, a lateral telescopic supporting device 6, a top supporting block 1, a bottom supporting block 9 and two side supporting blocks.
The two side supporting blocks are respectively arranged at two ends of the top supporting block 1, so that the top supporting block 1, one side supporting block, the bottom supporting block 9 and the other side supporting block sequentially form an annular supporting ring to respectively support the top, one side, the bottom and the other side of the tunnel. In actual use, one of the two side supporting blocks can be called as a front supporting block 5, and the other side supporting block is a rear supporting block 12, wherein the rear supporting block 12 provides supporting force for the shield tunneling machine in actual use. In practical applications, the outer side surfaces of the top support block 1, the bottom support block 9 and the two side support blocks are preferably all arc-shaped to form a circumference, which is substantially a circumference, and may be an incomplete and/or irregular circumference. Typically both side support blocks are preferably arcuate blocks.
For two side supporting blocks, two ends of each side supporting block are respectively connected with the bottom supporting block 9 and the top supporting block 1, and the connection mode of the two ends of each side supporting block is that one end is hinged and the other end is hinged and connected through a transition expansion device 8, wherein the connection mode of the two ends of the transition expansion device 8 is that the two ends of the transition expansion device 8 are connected in a hinged connection mode. Specifically, if the lower ends of the side supporting blocks are directly hinged to the bottom supporting block 9, the upper ends of the side supporting blocks can rotate transversely inwards, and the upper ends of the side supporting blocks are hinged to the top supporting block 1 through the transition expansion device 8, that is, two ends of the transition expansion device 8 are hinged to the upper ends of the side supporting blocks and one transverse end of the top supporting block 1 respectively. In such a manner that the top support block 1 and the bottom support block 9 are close to each other in the up-down direction, the side support blocks can be folded between the top support block 1 and the bottom support block 9 toward the center in the lateral direction. It should be noted that the hinged connection of the two ends of the side supporting block is generally a line hinge, and may also be a ball hinge, if the side supporting block is a line hinge, that is, a pin hinge, the hinge axis preferably extends along the longitudinal direction of the tunnel, and may slightly deflect, and it is only necessary to ensure that each supporting block can be folded toward the center in the transverse direction, and simultaneously expand in the transverse direction, so as to form the supporting effect.
The vertical telescopic supporting device is used for driving the top supporting block 1 to ascend and descend relative to the bottom supporting block 9, specifically, the upper end of the vertical telescopic supporting device can be connected with the top supporting block 1, the lower end of the vertical telescopic supporting device is connected with the bottom supporting block 9, the connection can be direct connection or indirect connection, so that the top supporting block 1 can be pushed to ascend relative to the bottom supporting block 9, the top supporting block 1 can abut against the top of the tunnel, and the bottom supporting block 9 can abut against the bottom of the tunnel to support the tunnel. Generally, the upper end of the vertical telescopic support means may be fixed relative to the top support block 1 and the lower end may be fixed relative to the bottom support block 9. It is of course also possible to provide intermediate members, such as bottom support platforms, etc., the vertical telescopic supports driving the top support block 1 to rise relative to the intermediate members and the bottom support block 9 to fall relative to the intermediate members, respectively.
And one end of the lateral telescopic supporting device 6 is hinged with the vertical telescopic supporting device, and the other end is hinged with the side supporting block, so as to push the side supporting block to rotate and unfold outwards transversely, thus completing lateral supporting. It should be noted that one end of the lateral telescopic supporting device 6 is hinged to the vertical telescopic supporting device: the support device can be in direct hinged connection or indirect hinged connection, and specifically can be in hinged connection with the top support block 1 or in hinged connection with the upper end of the vertical telescopic support device; or hinged with the bottom supporting block 9 or hinged with the lower end of the vertical telescopic supporting device.
Through the above connection mode, so that the lateral telescopic supporting device 6 is in telescopic operation to push the side supporting block to rotate around the direct hinged end, and the transition telescopic device 8 connected with the other end can be in telescopic change to adapt to the rotation of the side supporting block around the other end. The utility model provides a better connected mode, can make articulated connection everywhere that appears in this embodiment all adopt the line articulated, and articulated axis is all parallel arrangement, and can partly further coaxial setting, and the axis all extends along the longitudinal direction in tunnel. At least the hinges at both ends of the lateral telescopic support device 6 and the hinges at the ends of the supporting blocks, such as the hinges between the supporting blocks and the hinges between the transition telescopic devices 8, are arranged in parallel.
It should be noted that the two side supporting blocks are generally laterally supported by different lateral telescopic supporting devices 6, and the lateral telescopic supporting devices 6 corresponding to the two side supporting blocks may be connected to the same component or to different components, such as one fixed relatively to the top supporting block 1 and the other fixed relatively to the bottom supporting block 9. Wherein, the vertical telescopic supporting device and the lateral telescopic supporting device generally adopt hydraulic telescopic cylinders, and can also be devices such as electric cylinders, pneumatic telescopic cylinders and the like, so as to finish the lifting adjustment.
In the communication channel support frame, when in use, the vertical telescopic support device is firstly operated, so that the top support block 1 approaches to the bottom support block 9 to be contracted in the vertical direction; operating the lateral telescopic supporting devices 6 at two sides, and simultaneously approaching the supporting blocks at the side edges at the two sides to the center; so as to be in a contracted state for convenient transportation. And when the tunnel is transported to the supporting position, the vertical telescopic supporting device starts to work at the moment so as to push the top supporting block 1 to move upwards relative to the bottom supporting block 9, so that the top supporting block 1 is abutted against the top of the tunnel, and the bottom supporting block 9 is abutted against the bottom of the tunnel, so that the support is realized in the vertical direction. Then the lateral telescopic supporting device 6 is operated to push the side supporting blocks at the two sides to rotate outwards until the side supporting blocks are correspondingly abutted against the two sides of the tunnel, and at the moment, the transition telescopic device 8 is adaptively telescopic to adapt to the rotation of the side supporting blocks, so that the supporting of the whole contact channel supporting frame is completed. In this connection passageway support frame, through operation vertical flexible strutting arrangement and the flexible strutting arrangement of side direction 6, can be so that top supporting shoe 1, bottom sprag piece 9 and two side supporting shoes are close to each other to the shrink to convenient transportation, can also realize that above-mentioned each structure expandes through operation vertical flexible strutting arrangement and the flexible strutting arrangement of side direction 6 simultaneously, in order to realize supporting tunnel inner wall from top to bottom, the left and right sides. To sum up, this contact passageway support frame can solve contact passageway support frame inconvenient problem of operation effectively.
Further, it is preferred here that the upper end of the side support block is hinged to the top support block 1, and the transition expansion device 8 can be locked and both ends are hinged to the lower end of the side support block and one side of the bottom support block 9, respectively, wherein the transition expansion device 8 can be locked, and after being expanded to a predetermined degree, can be locked to prevent the side support block from rotating, thereby ensuring the support effect. The specific transition expansion device 8 is a mechanical expansion device, and specifically comprises two sliding fit rod pieces, the two rod pieces can be locked through bolts and locking screws to prevent relative sliding, and the two rod pieces can be hinged and connected with the lower ends of the side supporting blocks and one side of the bottom supporting block 9 respectively. It should be noted that the connection modes of the side support blocks at the two sides may be the same, for example, the lower ends are connected with the bottom support block 9 through the transition telescopic device 8, or the upper end of one side support block is connected with the transition telescopic device 8, and the lower end of the other side support block is connected with the transition telescopic device 8.
Further, for better supporting the top support block 1, at least two vertical telescopic supports are preferably arranged side by side in the horizontal direction. At this time, two vertical telescopic supporting devices which are transversely arranged in parallel can be respectively connected with the side supporting block on the corresponding side through the lateral telescopic supporting device 6.
Further, as for the vertical telescopic supporting device therein, for convenience of arrangement, it is preferable that the vertical telescopic supporting device comprises a vertical column 3 and at least two supporting hydraulic cylinders 2 mounted on the vertical column 3. One of the supporting hydraulic cylinders 2 is arranged on the upright post 3 and used for pushing the top supporting block 1 to ascend when in stretching; the other supporting hydraulic oil cylinder 2 is arranged on the upright post 3 and is used for pushing the bottom supporting block 9 to descend when the supporting hydraulic oil cylinder is extended and contracted. The lateral telescopic support means 6 can now be articulated to the upright 3. Wherein, only one supporting hydraulic oil cylinder 2 can be arranged between the upright post 3 and the top supporting block, and a plurality of supporting hydraulic oil cylinders 2 which are sequentially connected in series and/or in parallel can also be arranged. Specifically, the vertical telescopic supporting device may include two oppositely arranged supporting hydraulic cylinders 2 connected to each other, wherein one of the supporting hydraulic cylinders 2 is connected to the top supporting block 1, and the other supporting hydraulic cylinder 2 is connected to the upright 3.
In actual installation, a bottom supporting platform 10 is generally provided for installing the upright 3, and specifically, a telescopic device may be provided between the bottom supporting block 9 and the bottom supporting platform 10 for pushing the bottom supporting block 9 to move up and down. Further, the bottom support platform 10 may be provided with a shield mounting slot 14 to facilitate stable mounting of the shield tunneling machine on the support platform. In order to better stop the whole machine, a vertically arranged stop screw 7 is preferably connected to the bottom supporting platform 10 in a threaded manner, and the lower end of the stop screw 7 can be exposed at the lower side of the bottom supporting platform 10 to be capable of abutting against the track. For better stop, in particular, a plurality of stop screws 7 can be provided.
For convenience of arrangement, it is preferable that the upright column 3 comprises an upper pipe and a lower pipe which are placed up and down and detachably connected with each other through bolts, so that the upper pipe can be detached during transportation, and the height of the whole equipment during transportation is reduced. Specifically, for convenient bolted connection, wherein go up the pipe fitting lower extreme and go up the pipe fitting upper end and all have and be provided with flange 4, and align the setting, connecting bolt passes flange 4 and connects. Wherein the lower tube is welded to the bottom support platform 10 to ensure support strength. Further, an inclined support 11 can be further arranged, wherein two ends of the inclined support 11 are respectively connected with the upper end of the lower pipe fitting and the bottom supporting platform 10, and the upper pipe fitting is arranged in a triangular mode to support the lower pipe fitting.
Further, in order to ensure that the whole support is stable, the two parallel and level upright posts 3 are preferably connected through the connecting plate 13 in the longitudinal direction of the tunnel, and two ends of the connecting plate 13 are hinged with the upright posts 3. Specifically, can set up four vertical flexible strutting arrangement to be the rectangle and place, on the tunnel longitudinal direction promptly, set up two rows of vertical flexible strutting arrangement, each row of vertical flexible strutting arrangement all has two vertical flexible strutting arrangement who sets up side by side.
Further, for better pushing the top supporting block 1 to rise, it is preferable that the vertical telescopic supporting device includes two opposite supporting hydraulic cylinders 2 connected to each other, each of the two supporting hydraulic cylinders 2 may have one end connected to the column 3 or no longer connected to the column 3, and the other end connected to the top supporting block 1 and the bottom supporting block 9 respectively, so as to directly push the top supporting block 1 and the bottom supporting block 9 to move away from each other.
In one embodiment, a tunnel support for a communication channel includes: the shield tunneling machine comprises a top supporting block 1, a supporting hydraulic oil cylinder 2, an upright post 3, a connecting flange 4, a front supporting block 5, a lateral telescopic supporting device 6, a stop screw 7, a transition telescopic device 8, a bottom supporting block 9, a bottom supporting platform 10, an inclined support 11, a rear supporting block 12, a connecting plate 13 and a shield tunneling machine mounting groove 14.
The main structure of the tunnel support frame comprises a bottom support platform 10 and an upright post 3 erected on the bottom support platform 10, and the support system of the tunnel support frame comprises a top support block 1, a front support block 5, a rear support block 12 and a bottom support block 9.
The main structure is connected with the supporting system through a supporting hydraulic oil cylinder 2, a lateral telescopic supporting device 6 and a transition telescopic device 8 of the connecting system, and the components can reach automatic mechanical supporting equipment of a construction point position through a guide rail in a hole after the components are assembled outside the hole.
The bottom support platform 10 is provided with a shield machine erection groove 14 so as to stably mount the tunneling shield machine on the support platform, and the shield machine provides tunnel face tunneling pressure through the support counter force of the rear support block 12. The upright column 3 is formed by connecting two cylindrical steel columns through upright column connecting plates by bolts, so that short-shaped transportation in the transportation process is realized, and the difficulty and cost of transportation are reduced. The detachable structure of the steel column enables the detached steel column to be recycled, so that the consumption of resources can be saved. Adopt the welded joint method to improve overall structure's stability between stand 3 and bottom sprag platform 10, stand 3 is along tunnel axial plane slant arrangement bearing diagonal 11 simultaneously. The upright posts 3 are connected with the adjacent upright posts 3 through the connecting plates 13 between the upright posts, so that more stress transmission paths are provided.
The connecting system comprises supporting hydraulic oil cylinders 2, a lateral telescopic supporting device 6 and a transition telescopic device 8, wherein the two supporting hydraulic oil cylinders 2 are symmetrically arranged in the vertical column in a two-way mode, so that the supporting blocks can move in the vertical direction during telescopic movement, and the transmission of supporting stress in the vertical direction is realized. One of the lateral telescopic supporting devices 6 can be structurally connected with the supporting system, the other end of the lateral telescopic supporting device is connected with the rear supporting block 12, one end of the other lateral telescopic supporting device 6 is structurally connected with the supporting system, and the other end of the other lateral telescopic supporting device is connected with the front supporting block 5. Two transition telescoping devices 8 one end are connected with bottom support block 9 both sides, and the other end is connected with preceding supporting shoe 5, back supporting shoe 12 respectively to transition telescoping device 8 locks when the supporting shoe supports tightly completely for all supporting shoes form a circumference of hugging closely in the tunnel segment inner wall, tunnel segment stress evenly distributed is on the circumference that the supporting shoe formed when realizing supporting.
The support system comprises a top support block 1, a front support block 5, a bottom support block 9 and a rear support block 12. The top supporting block 1 is respectively connected with the front supporting block 5 and the rear supporting block 12 through hinged bolts, when the construction site is conveyed by the shipment of the outside-hole assembly, eight supporting hydraulic oil cylinders 2 corresponding to four columns are extended by pressurization of an electric control system, so that the top supporting block 1 and the bottom supporting block 9 are attached to the inner wall of a tunnel segment, then four lateral telescopic supporting devices 6 corresponding to the four columns start to slowly eject the front supporting block 5 and the rear supporting block 12, the top supporting block rotates around the hinged bolts, the rotation angle of each supporting block is kept consistent, a pressure displacement sensor is arranged inside each lateral telescopic supporting device 6, and the rotation angles of the supporting blocks are consistent through a passive feedback and active control mode. After the supporting blocks are completely tightened, the mechanical lock is locked, and all the supporting blocks are connected into a rigid whole.
The outer surface of each supporting block is covered with a layer of high-strength nylon plate, the rest are made of steel plate materials, of course, other materials can be adopted, the shape is in a circular arc design that the outer surface is the same as the shape of the tunnel inner pipe sheet, the inner surface adopts a mode of combining a plane with a circular arc surface, the rigidity of the supporting block is improved by the connection mode of welding the rib plates between the inner surface and the outer surface, the plane part of the inner surface is connected with a hydraulic oil cylinder, so that the stress can be uniformly distributed on each part of the supporting block, and the outer surface adopts the shape of the tunnel inner pipe sheet, so that.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a linkage passageway support frame which characterized in that includes: the device comprises a vertical telescopic supporting device, a lateral telescopic supporting device, a top supporting block, a bottom supporting block and two side supporting blocks; the two side supporting blocks are respectively arranged at two ends of the top supporting block; two ends of the side supporting block are respectively connected with the bottom supporting block and the top supporting block, one end of the side supporting block is hinged, and the other end of the side supporting block is hinged through a transition telescopic device; one end of the lateral telescopic supporting device is hinged with the vertical telescopic supporting device, and the other end of the lateral telescopic supporting device is hinged with the side supporting block so as to push the side supporting block to transversely and outwardly rotate and unfold; the vertical telescopic supporting device is used for driving the top supporting block to lift relative to the bottom supporting block.
2. The communication channel support bracket of claim 1 wherein both said side support blocks are hinged at their upper ends to said top support block, said transition telescoping device is lockable and hinged at its two ends to the lower ends of said side support blocks and to one side of said bottom support block, respectively.
3. The communication channel support bracket of claim 2 wherein at least two of said vertical telescoping support means are laterally juxtaposed to connect with said side support blocks on respective sides thereof through said lateral telescoping support means.
4. A communication channel support according to any one of claims 1 to 3 wherein the vertically extending support means includes an upright and at least two supporting hydraulic rams mounted on the upright, one of the supporting hydraulic rams being arranged to move the top support block upwardly when extended and the other of the supporting hydraulic rams being arranged to move the bottom support block downwardly when extended and the laterally extending support means being hinged to the upright.
5. The communication channel support bracket of claim 4 further comprising a bottom support platform for mounting the post.
6. The communication channel support bracket of claim 5 wherein the upright comprises an upper tube and a lower tube disposed one above the other and detachably connected by bolts, the lower tube being welded to the bottom support platform.
7. The communication channel support frame of claim 6, wherein the bottom support platform has a shield tunneling machine mounting slot.
8. The communication channel support bracket of claim 7 wherein, in the tunnel direction, two aligned columns are connected by a connecting plate, and the two ends of the connecting plate are hinged to the columns.
9. The communication channel support bracket of claim 8 further comprising an angled brace having ends connected to the upright and the bottom support platform, respectively.
10. The communication channel support bracket of claim 9 wherein the bottom support platform is threadedly connected with a vertically disposed stop screw, and the lower end of the stop screw is exposed at the underside of the bottom support platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122005479.6U CN214247366U (en) | 2021-08-25 | 2021-08-25 | Connecting channel support frame |
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| CN202122005479.6U CN214247366U (en) | 2021-08-25 | 2021-08-25 | Connecting channel support frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914901A (en) * | 2021-11-11 | 2022-01-11 | 中国铁建大桥工程局集团有限公司 | Tunnel supporting structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914901A (en) * | 2021-11-11 | 2022-01-11 | 中国铁建大桥工程局集团有限公司 | Tunnel supporting structure |
| CN113914901B (en) * | 2021-11-11 | 2024-04-09 | 中国铁建大桥工程局集团有限公司 | Tunnel supporting structure |
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