CN218991607U - Hydraulic engineering tunnel top strutting arrangement - Google Patents
Hydraulic engineering tunnel top strutting arrangement Download PDFInfo
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- CN218991607U CN218991607U CN202320181091.8U CN202320181091U CN218991607U CN 218991607 U CN218991607 U CN 218991607U CN 202320181091 U CN202320181091 U CN 202320181091U CN 218991607 U CN218991607 U CN 218991607U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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Abstract
The utility model discloses a hydraulic engineering tunnel top supporting device, which belongs to the technical field of engineering tunnel supporting devices and aims to solve the problem that the stability of the supporting device is easily affected under vibration interference due to relatively weak bearing force of a traditional tunnel supporting structure.
Description
Technical Field
The utility model belongs to the technical field of engineering tunnel supporting devices, and particularly relates to a hydraulic engineering tunnel top supporting device.
Background
The hydraulic engineering tunnel is an important place in construction and is limited by urban development, the engineering tunnel is generally arranged in urban underground or mountain, a hollow structure is formed in the tunnel after excavation, a large amount of sandy soil structures are carried at the top of the tunnel, the supporting device of the engineering tunnel is supported by the top of the tunnel in a vibrating manner, the supporting device is supported by the conventional scaffold and steel plates in a supporting manner after excavation, the steel plates are in loose contact with the top of the tunnel, the steel plates are of flat plate structures, the bearing force is relatively weak, the middle collapse is easy to occur, particularly the urban engineering tunnel is frequently carried out on the road surface above the tunnel, the pressure load on the top of the tunnel is continuously changed, the pressure load is transmitted to the supporting device of the engineering tunnel in a vibrating manner, and the stability of the supporting device is very easy to influence under vibration interference. It would be desirable to develop a hydraulic engineering tunnel roof support device that overcomes the above-described problems.
Disclosure of Invention
The utility model aims to solve the problem that the stability of a supporting device is easily affected under vibration interference because the bearing capacity of a traditional tunnel supporting structure is relatively weak, and further provides a hydraulic engineering tunnel top supporting device;
the hydraulic engineering tunnel top supporting device comprises a supporting top plate, a bearing plate, four longitudinal supporting units, four transverse supporting units, four elastic buffer units and a top fastening unit, wherein the supporting top plate is arranged at the inner top of the hydraulic engineering tunnel;
further, a circular through hole is formed in the top of the supporting top plate, an arc-shaped convex shell is arranged above the circular through hole, the bottom of the arc-shaped convex shell and the top of the supporting top plate are integrally formed, the inner top of the arc-shaped convex shell is provided with a circular flat top, a stepped through hole is formed in the center of the circular flat top along the protruding direction of the arc-shaped convex shell, and one end of a top fastening unit penetrates through the stepped through hole in the arc-shaped convex shell and is inserted into a structural foundation at the top of the hydraulic engineering tunnel;
further, the top fastening unit comprises a fastening cone, a thread locking sleeve and two semicircular limiting plates, wherein external threads are machined on the outer circular surface of the butt end of the fastening cone, limiting grooves are machined on the outer circular surface of the thread locking sleeve along the circumferential direction, the tip end of the fastening cone penetrates through a stepped through hole in the arc-shaped convex shell and is inserted into a structural foundation at the top of the hydraulic engineering tunnel, the thread locking sleeve is sleeved on the butt end of the fastening cone, the thread locking sleeve is in threaded connection with the fastening cone, the top of the thread locking sleeve is tightly attached to the stepped part of the stepped through hole, the two semicircular limiting plates are sleeved on the outer circular surface of the thread locking sleeve, and the limiting plates of each semicircular limiting plate are inserted into the limiting grooves of the outer circular surface of the thread locking sleeve and are detachably connected with the inner top of the arc-shaped convex shell through bolts;
further, the longitudinal supporting unit comprises a top sleeve, a longitudinal supporting rod, a bottom sleeve, a bottom supporting plate, a bottom fastening cone and two switching clamping blocks, wherein the top sleeve is fixedly connected to the lower surface of the bearing plate, the bottom sleeve is arranged right below the top sleeve, the longitudinal supporting rod is arranged between the top sleeve and the bottom sleeve, the top end of the longitudinal supporting rod is inserted into the top sleeve, the bottom end of the longitudinal supporting rod is inserted into the bottom sleeve, the bottom supporting plate is fixedly connected to the bottom of the bottom sleeve, the bottom fastening cone is arranged at the center of the bottom supporting plate, the butt end of the bottom fastening cone is fixedly connected with the bottom supporting plate, the two switching clamping blocks are sleeved on the outer circular surface of the longitudinal supporting rod, and the two switching clamping blocks are symmetrically arranged along the central line of the length extending direction of the longitudinal supporting rod;
further, the transverse supporting unit comprises a transverse supporting rod and two transverse supporting rod fixing units, the two transverse supporting rod fixing units are symmetrically arranged along the central line of the length direction of the bearing plate, each transverse supporting rod fixing unit is inserted into a structural foundation at one side of the hydraulic engineering tunnel, the transverse supporting rod is arranged between the two transverse supporting rod fixing units, each end of the transverse supporting rod is correspondingly inserted into one transverse supporting rod fixing unit, and the transverse supporting rod is embedded into a transfer clamping block in two longitudinal supporting units positioned at the long side of the bearing plate;
further, the lateral support rod fixing unit comprises a lateral fixing sleeve, a compression spring, a lateral support plate and a lateral fastening cone, wherein the lateral support plate is arranged at the flat end of the lateral fastening cone, the lateral fastening cone is fixedly connected with the lateral support plate, the tip end of the lateral fastening cone is inserted into a structural foundation at one side of the hydraulic engineering tunnel, the lateral support plate is provided with the lateral fixing sleeve at one side far away from the lateral fastening cone, the compression spring is arranged between the lateral fixing sleeve and the lateral support plate, one end of the compression spring is fixedly connected with the lateral support plate, the other end of the compression spring is inserted into the fixed end of the lateral fixing sleeve, the other end of the compression spring is fixedly connected with the lateral fixing sleeve, and each end of the lateral support rod is correspondingly inserted into one lateral fixing sleeve;
further, the elastic buffer units comprise four elastic buffer assemblies which are arranged in a 'field' -shaped manner, each elastic buffer assembly comprises a guide sleeve rod and a buffer spring, the guide sleeve rod is arranged between the supporting top plate and the supporting plate and comprises an outer sleeve and an inner rod, the inner rod is inserted into the outer sleeve and is in sliding connection with the outer sleeve, the bottom of the outer sleeve in the guide sleeve rod is fixedly connected with the upper surface of the supporting plate, the top of the inner rod in the guide sleeve rod is fixedly connected with the lower surface of the supporting top plate, the buffer springs are sleeved outside the guide sleeve rod, the top of the buffer springs are fixedly connected with the lower surface of the supporting top plate, and the bottom of the buffer springs is fixedly connected with the upper surface of the supporting plate;
the application has the beneficial effects compared with the prior art that:
the utility model provides a hydraulic engineering tunnel top strutting arrangement, the upper surface of top support plate has the arc arch in this strutting arrangement, compare in traditional roof structure, the arc arch relies on its distinctive arch structure can increase its own bearing capacity, can effectually avoid the condition that roof middle part was subsided to appear, elastic buffer subassembly has still been set up in this application simultaneously, can effectually absorb the impact amplitude that the variable load in tunnel top caused, strutting arrangement job stabilization nature has been guaranteed, lateral bracing unit and vertical bracing unit in this application all can dismantle simultaneously, the operating range of this application has also been increased when realizing the reliable work of strutting arrangement, its nimble detachability both can make this application regard as long-time bearing structure, also can regard as temporary bearing structure, and the simple structure of this application, convenient assembling, can realize quick assembly installation, bearing structure is all around tunnel edge setting in this application, the inner space of tunnel has been reserved, the practicality is stronger.
Drawings
FIG. 1 is a schematic view in principal section of a support device as described herein;
FIG. 2 is a schematic side view of a support device according to the present application;
FIG. 3 is a schematic bottom view of a support top plate of the support device of the present application;
FIG. 4 is an enlarged view of a portion of FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 2;
FIG. 6 is a schematic front view of a longitudinal support unit of the support device according to the present application;
FIG. 7 is a schematic front view of a lateral support unit of the support device according to the present application;
FIG. 8 is a schematic front cross-sectional view of a transverse strut securing unit in a strut assembly according to the present application;
FIG. 9 is a schematic front view of the adapter clamp block of the support device according to the present application;
FIG. 10 is a schematic top view of the adapter shoe of the support device of the present application;
FIG. 11 is a schematic view of the operation of the support device described herein;
in the figure: the device comprises a supporting top plate 1, a receiving plate 2, a longitudinal supporting unit 3, a top sleeve 31, a longitudinal supporting rod 32, a switching clamping block 33, a bottom sleeve 34, a bottom supporting plate 35, a bottom fastening cone 36, a transverse supporting unit 4, a transverse supporting rod 41, a transverse supporting rod fixing unit 42, a transverse fixing sleeve 421, a compression spring 422, a side supporting plate 423, a side fastening cone 424, an elastic buffer unit 5, a fastening cone 6, a 7-thread locking sleeve and an 8-semicircular limiting plate.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 11, in which there is provided a hydraulic engineering tunnel top supporting apparatus including a supporting top plate 1, a receiving plate 2, four longitudinal supporting units 3, four lateral supporting units 4, four elastic buffer units 5, and a top fastening unit, the supporting top plate 1 is disposed at an inner top of the hydraulic engineering tunnel, one end of the top fastening unit passes through the supporting top plate 1 and is inserted into a construction foundation of the hydraulic engineering tunnel top, the other end of the top fastening unit is disposed in the supporting top plate 1, and the top fastening unit is detachably connected with the inner top of the supporting top plate 1, the receiving plate 2 is disposed under the supporting top plate 1, four elastic buffer units 5 are disposed between the receiving plate 2 and the supporting top plate 1, the four elastic buffer units 5 are disposed at four corners of a lower surface of the supporting top plate 1, the top of each elastic buffer unit 5 is fixedly connected with the lower surface of the supporting top plate 1, the top of each elastic buffer unit 5 is fixedly connected with the upper surface of the supporting plate 2, four longitudinal supporting units 3 are respectively arranged at four corners of the lower surface of the supporting plate 2, the top of each longitudinal supporting unit 3 is fixedly connected with the lower surface of the supporting plate 2, the bottom of each longitudinal supporting unit 3 is inserted into a construction foundation at the bottom of a hydraulic engineering tunnel, four transverse supporting units 4 are equally divided into two groups, each group of transverse supporting units 4 is arranged at the outer sides of the two longitudinal supporting units 3 at the long side of the supporting plate 2, the two transverse supporting units 4 in each group are oppositely arranged in parallel along the length extension direction of the longitudinal supporting units 3, each transverse supporting unit 4 is detachably connected with the two longitudinal supporting units 3, two ends of each transverse supporting unit 4 are respectively inserted into construction foundations at two sides of the hydraulic engineering tunnel.
The utility model provides a hydraulic engineering tunnel top strutting arrangement wherein set up elastic buffer assembly, can effectually absorb the impact amplitude that the variable load in tunnel top caused, the stability of strutting arrangement work has been guaranteed, lateral bracing unit and vertical bracing unit in this application all can dismantle simultaneously, the reliable work of strutting arrangement has also increased the working range of this application in the realization, its nimble detachability both can make this application regard as long-time bearing structure, also can regard as temporary bearing structure, and the simple structure of this application, the equipment is convenient, can realize quick equipment installation, bearing structure is all around tunnel edge setting in this application moreover, the inner space of tunnel has been reserved, the practicality is stronger.
The second embodiment is as follows: referring to fig. 1 to 11, a difference between the present embodiment and the specific embodiment is that a circular through hole is machined at the top of the supporting top plate 1, an arc-shaped convex shell is disposed above the circular through hole, the bottom of the arc-shaped convex shell and the top of the supporting top plate 1 are integrally formed, the inner top of the arc-shaped convex shell is a circular flat top, a stepped through hole is machined at the center of the circular flat top along the protruding direction of the arc-shaped convex shell, and one end of a top fastening unit penetrates through the stepped through hole on the arc-shaped convex shell and is inserted into a structural foundation at the top of the hydraulic engineering tunnel. Other compositions and connection modes are the same as in the first embodiment.
So set up, the upper surface of top backup pad has the arc arch, compares in traditional roof structure, and the arc arch relies on its distinctive arch structure can increase its own spangle, can effectually avoid the condition that roof middle part collapsed to appear.
And a third specific embodiment: the second difference between this embodiment and the second embodiment is that, referring to fig. 1 to 11, the top fastening unit includes a fastening cone 6, a threaded locking sleeve 7, and two semicircular limiting plates 8, an external thread is machined on an outer circumferential surface of a butt end of the fastening cone 6, a limiting groove is machined on an outer circumferential surface of the threaded locking sleeve 7, a tip portion of the fastening cone 6 passes through a stepped through hole on an arc-shaped convex shell and is inserted into a structural foundation of a top of a hydraulic engineering tunnel, the threaded locking sleeve 7 is sleeved on the butt end of the fastening cone 6, the threaded locking sleeve 7 is in threaded connection with the fastening cone 6, a top of the threaded locking sleeve 7 is tightly attached to a step portion of the stepped through hole, two semicircular limiting plates 8 are sleeved on an outer circumferential surface of the threaded locking sleeve 7, and each semicircular limiting plate 8 is inserted into a limiting groove of the outer circumferential surface of the threaded locking sleeve 7, and each semicircular limiting plate 8 is detachably connected with an inner top of the arc-shaped convex shell through a bolt. Other compositions and connection modes are the same as those of the second embodiment.
In this embodiment, through the spacing dish structure that two semicircular limiting plates 8 are constituteed, can effectively carry out spacingly to screw thread lock sleeve 7, prevent screw thread lock sleeve 7 to appear and rotate, guaranteed the reliability of locking, spacing dish structure passes through the bolt fastening in the bellied interior top department of arch, has guaranteed the stability of spacing dish structure during operation.
The specific embodiment IV is as follows: referring to fig. 1 to 11, the third difference between the present embodiment and the specific embodiment is that the longitudinal support unit 3 includes a top sleeve 31, a longitudinal support rod 32, a bottom sleeve 34, a bottom support plate 35, a bottom fastening cone 36, and two adapting clamping blocks 33, the top sleeve 31 is fixedly connected to the lower surface of the receiving plate 2, the bottom sleeve 34 is disposed directly below the top sleeve 31, the longitudinal support rod 32 is disposed between the top sleeve 31 and the bottom sleeve 34, the top end of the longitudinal support rod 32 is inserted into the top sleeve 31, the bottom end of the longitudinal support rod 32 is inserted into the bottom sleeve 34, the bottom support plate 35 is fixedly connected to the bottom of the bottom sleeve 34, the bottom fastening cone 36 is disposed at the bottom center of the bottom support plate 35, the butt end of the bottom fastening cone 36 is fixedly connected to the bottom support plate 35, the two adapting clamping blocks 33 are both sleeved on the outer circular surface of the longitudinal support rod 32, and the two adapting clamping blocks 33 are symmetrically disposed along the center line of the length extending direction of the longitudinal support rod 32. Other compositions and connection modes are the same as those of the third embodiment.
In this embodiment, the longitudinal support rod 32 is used as a main support member and can be detached, although the top sleeve 31 and the bottom sleeve 34 are fixed, the receiving plate 2 connected with the top sleeve 31 is provided with a vibration damping unit, so that the vibration damping unit has a certain compressibility, when the vibration damping unit is installed, the bottom sleeve 34 is firstly inserted into the ground through the bottom fastening cone 36, the longitudinal support rod 32 is firstly inserted into the top sleeve 31 while the longitudinal support rod 32 is arranged between the top sleeve 31 and the bottom sleeve 34, then the force is continuously applied, the receiving plate 2 is jacked upwards, a space is provided for inserting the bottom of the longitudinal support rod 32 into the bottom sleeve 34, after the bottom of the longitudinal support rod 32 is centered with the bottom sleeve 34, the force is released, and the longitudinal support rod 32 is inserted into the bottom sleeve 34 under the action of gravity.
Fifth embodiment: the fourth difference between the present embodiment and the specific embodiment is that the present embodiment is described with reference to fig. 1 to 11, and the lateral support unit 4 includes a lateral support bar 41 and two lateral support bar fixing units 42, the two lateral support bar fixing units 42 are symmetrically disposed along the center line of the length direction of the receiving plate 2, each lateral support bar fixing unit 42 is inserted into the construction foundation of one side of the hydraulic engineering tunnel, the lateral support bar 41 is disposed between the two lateral support bar fixing units 42, each end of the lateral support bar 41 is correspondingly inserted into one lateral support bar fixing unit 42, and the lateral support bar 41 is embedded into the transfer clamping block 33 of the two longitudinal support units 3 located at the long side of the receiving plate 2. Other compositions and connection modes are the same as those of the fourth embodiment.
Specific embodiment six: the fifth difference between the present embodiment and the specific embodiment is that the transverse supporting rod fixing unit 42 includes a transverse fixing sleeve 421, a compression spring 422, a side supporting plate 423 and a side fastening cone 424, the flat end of the side fastening cone 424 is provided with the side supporting plate 423, the side fastening cone 424 is fixedly connected with the side supporting plate 423, the tip of the side fastening cone 424 is inserted into the construction foundation of one side of the hydraulic engineering tunnel, the side of the side supporting plate 423 away from the side fastening cone 424 is provided with the transverse fixing sleeve 421, a compression spring 422 is disposed between the transverse fixing sleeve 421 and the side supporting plate 423, one end of the compression spring 422 is fixedly connected with the side supporting plate 423, the other end of the compression spring 422 is inserted into the fixed end of the transverse fixing sleeve 421, the other end of the compression spring 422 is fixedly connected with the transverse fixing sleeve 421, and each end of the transverse supporting rod 41 is correspondingly inserted into one transverse fixing sleeve 421. Other compositions and connection modes are the same as those of the fifth embodiment.
In this embodiment, in order to facilitate the insertion of the transverse support rod 41, the transverse support rod fixing unit 42 is provided with an adaptive structure, and the compression spring 422 ensures that the position of the fixing sleeve 421 is adjustable, so that a space is provided for installing two ends of the transverse support rod 41, and the specific installation process refers to the fourth embodiment.
Seventh embodiment: the sixth difference between the present embodiment and the specific embodiment is that the elastic buffer unit 5 includes four elastic buffer assemblies, the four elastic buffer assemblies are arranged in a "field" shape, each elastic buffer assembly includes a guide sleeve rod 51 and a buffer spring 52, the guide sleeve rod 51 is disposed between the supporting top plate 1 and the supporting top plate 2, the guide sleeve rod 51 includes two parts of an outer sleeve and an inner rod, the inner rod is inserted in the outer sleeve, the outer sleeve is slidably connected with the inner rod, the bottom of the outer sleeve in the guide sleeve rod 51 is fixedly connected with the upper surface of the supporting top plate 2, the top of the inner rod in the guide sleeve rod 51 is fixedly connected with the lower surface of the supporting top plate 1, the buffer spring 52 is sleeved outside the guide sleeve rod 51, the top of the buffer spring 52 is fixedly connected with the lower surface of the supporting top plate 1, and the bottom of the buffer spring 52 is fixedly connected with the upper surface of the supporting top plate 2. Other compositions and connection modes are the same as those of the sixth embodiment.
In this embodiment, the guide loop bar 51 is provided to ensure that the buffer spring 52 can be compressed in the vertical direction during compression, ensure the accuracy of the compression, and avoid the spring from tilting.
The present utility model has been described in terms of preferred embodiments, but is not limited to the above-described embodiments, and any simple modification, equivalent changes and variation of the above-described embodiments according to the technical principles of the present utility model will be within the scope of the present utility model when the above-described structures and technical principles can be utilized to make a few equivalent embodiments without departing from the technical scope of the present utility model.
Principle of operation
When the utility model is used, the supporting top plate 1, the bearing plate 2 and the four buffer units 5 are assembled together, in order to facilitate the installation of the later-stage top fastening unit, a large-diameter working through hole is processed at the center of the top of the bearing plate 2, the supporting top plate 1 and the tunnel top foundation are inserted into a sand structure at the top of the tunnel by passing a fastening cone 6 through a stepped hole on the supporting top plate 1, then a thread locking sleeve 7 is sleeved on the fastening cone 6, and simultaneously the thread locking sleeve 7 is rotated to be in threaded connection with the fastening cone 6 until the top of the rotating thread locking sleeve 7 contacts with a step of the stepped hole on the supporting top plate 1, two semicircular limiting plates 8 are symmetrically inserted into limiting grooves at the outer part of the thread locking sleeve 7, and simultaneously the two semicircular limiting plates 8 are fixed with the inner top of an arc-shaped convex shell through bolts, next, firstly installing the longitudinal support unit 3, firstly inserting the bottom sleeve 34 into the ground through the bottom fastening cone 36, firstly inserting the longitudinal support rod 32 into the top sleeve 31 while arranging the longitudinal support rod 32 between the top sleeve 31 and the bottom sleeve 34, then continuing to apply force, jacking up the bearing plate 2 upwards, providing space for inserting the bottom of the longitudinal support rod 32 into the bottom sleeve 34, when the bottom of the longitudinal support rod 32 is centered with the bottom sleeve 34, loosening the top force application, inserting the longitudinal support rod 32 into the bottom sleeve 34 under the action of gravity, secondly installing the transverse support unit 4, firstly correspondingly inserting two transverse support rod fixing units (42) into the walls at two sides of the tunnel, secondly inserting one end of the transverse support rod (41) into one transverse support rod fixing unit (42), meanwhile, the transverse supporting rod (41) is embedded into the switching clamping blocks (33) in the two longitudinal supporting units (3) at the long side of the bearing plate (2), at the moment, one side of the transverse supporting rod (41) is applied with force, the transverse supporting rod fixing unit (42) on one side is compressed to provide space for installation of the transverse supporting rod (41) on the other side, after the other end of the transverse supporting rod (41) is centered with the transverse supporting rod fixing unit (42) on the other side, the other end of the transverse supporting rod (41) is inserted into the transverse supporting rod fixing unit (42) on the other side under the action of elastic force by loosening the application of force, and in the process, the transverse supporting rod (41) can slide on the switching clamping blocks (33), so that the tunnel top supporting device provided by the application is completely installed.
Claims (7)
1. Hydraulic engineering tunnel top strutting arrangement, its characterized in that: the supporting device comprises a supporting top plate (1), a bearing plate (2), four longitudinal supporting units (3), four transverse supporting units (4), four elastic buffer units (5) and a top fastening unit, wherein the supporting top plate (1) is arranged at the inner top of a hydraulic engineering tunnel, one end of the top fastening unit penetrates through the supporting top plate (1) and is inserted into a structural foundation at the top of the hydraulic engineering tunnel, the other end of the top fastening unit is arranged in the supporting top plate (1), the top fastening unit is detachably connected with the inner top of the supporting top plate (1), the bearing plate (2) is arranged right below the supporting top plate (1), four elastic buffer units (5) are arranged between the bearing plate (2) and the supporting top plate (1), the four elastic buffer units (5) are respectively arranged at four corners of the lower surface of the supporting top plate (1), the top of each elastic buffer unit (5) is fixedly connected with the upper surface of the bearing plate (2), the four longitudinal supporting units (3) are respectively arranged at the four corners of the lower surface of the supporting top plate (1) and are fixedly connected with the bottom of the supporting top plate (1) respectively at the bottom of the supporting top plate (1), four horizontal supporting units (4) are equally divided into two groups, each group of horizontal supporting units (4) is arranged on the outer sides of two longitudinal supporting units (3) at the long side of the bearing plate (2), the two horizontal supporting units (4) in each group are oppositely arranged along the parallel direction of the length extension direction of the longitudinal supporting units (3), each horizontal supporting unit (4) is detachably connected with the two longitudinal supporting units (3) at the position, and two ends of each horizontal supporting unit (4) are respectively inserted into structural foundations at two sides of a hydraulic engineering tunnel.
2. The hydraulic engineering tunnel top support device according to claim 1, wherein: the top processing of supporting roof (1) has circular through-hole, and circular through-hole top is equipped with the protruding shell of arc, and the bottom of the protruding shell of arc and the top integrated into one piece setting of supporting roof (1) are circular flat top setting, and the center department of circular flat top is processed along the protruding direction of the protruding shell of arc has the ladder through-hole, and the one end of top fastening unit passes the ladder through-hole on the protruding shell of arc and inserts to establish in the structural foundation at hydraulic engineering tunnel top.
3. A hydraulic engineering tunnel top support device according to claim 2, wherein: the top fastening unit comprises a fastening cone (6), a thread locking sleeve (7) and two semicircular limiting plates (8), external threads are machined on the outer circular surface of the butt end of the fastening cone (6), limiting grooves are machined on the outer circular surface of the thread locking sleeve (7) along the circumferential direction, the tip end portion of the fastening cone (6) penetrates through the stepped through hole in the arc-shaped convex shell and is inserted into a structural foundation at the top of the hydraulic engineering tunnel, the thread locking sleeve (7) is sleeved on the butt end of the fastening cone (6), the thread locking sleeve (7) is in threaded connection with the fastening cone (6), the top of the thread locking sleeve (7) is tightly attached to the stepped portion of the stepped through hole, the two semicircular limiting plates (8) are sleeved on the outer circular surface of the thread locking sleeve (7), the limiting plates of each semicircular limiting plate (8) are inserted into the limiting grooves of the outer circular surface of the thread locking sleeve (7), and each semicircular limiting plate (8) is detached and connected with the inner top of the arc-shaped convex shell through bolts.
4. A hydraulic engineering tunnel top support device according to claim 3, wherein: the vertical supporting unit (3) comprises a top sleeve (31), a vertical supporting rod (32), a bottom sleeve (34), a bottom supporting plate (35), a bottom fastening cone (36) and two switching clamping blocks (33), wherein the top sleeve (31) is fixedly connected to the lower surface of the bearing plate (2), the bottom sleeve (34) is arranged right below the top sleeve (31), the vertical supporting rod (32) is arranged between the top sleeve (31) and the bottom sleeve (34), the top end of the vertical supporting rod (32) is inserted into the top sleeve (31), the bottom end of the vertical supporting rod (32) is inserted into the bottom sleeve (34), the bottom supporting plate (35) is fixedly connected to the bottom center of the bottom supporting plate (35), the butt end of the bottom fastening cone (36) is fixedly connected to the bottom supporting plate (35), the two switching clamping blocks (33) are sleeved on the outer circular surface of the vertical supporting rod (32), and the two switching clamping blocks (33) are symmetrically arranged along the central line of the length extending direction of the vertical supporting rod (32).
5. The hydraulic engineering tunnel top support device according to claim 4, wherein: the transverse supporting unit (4) comprises a transverse supporting rod (41) and two transverse supporting rod fixing units (42), the two transverse supporting rod fixing units (42) are symmetrically arranged along the central line of the length direction of the bearing plate (2), each transverse supporting rod fixing unit (42) is inserted into the structural foundation on one side of the hydraulic engineering tunnel, the transverse supporting rod (41) is arranged between the two transverse supporting rod fixing units (42), each end of the transverse supporting rod (41) is correspondingly inserted into one transverse supporting rod fixing unit (42), and the transverse supporting rod (41) is embedded into the switching clamping block (33) in the two longitudinal supporting units (3) located on the long side of the bearing plate (2).
6. The hydraulic engineering tunnel top support device according to claim 5, wherein: the utility model provides a horizontal bracing piece fixed unit (42) is including horizontal fixed sleeve (421), compression spring (422), lateral part backup pad (423) and lateral part fastening awl (424), be equipped with lateral part backup pad (423) on the flat head end of lateral part fastening awl (424), and lateral part fastening awl (424) and lateral part backup pad (423) fixed connection, the tip portion of lateral part fastening awl (424) is inserted and is established in the structural foundation of hydraulic engineering tunnel one side, lateral part backup pad (423) are kept away from lateral part fastening awl (424) one side and are equipped with horizontal fixed sleeve (421), be equipped with compression spring (422) between horizontal fixed sleeve (421) and lateral part backup pad (423), the one end and lateral part backup pad (423) fixed connection of compression spring (422), the other end of compression spring (422) is inserted in the stiff end of horizontal fixed sleeve (421), and the other end and horizontal fixed sleeve (421) fixed connection of compression spring (422), every end correspondence cartridge in a horizontal fixed sleeve (421) of horizontal bracing piece (41).
7. The hydraulic engineering tunnel top support device according to claim 1, wherein: the elastic buffer unit (5) comprises four elastic buffer assemblies, the four elastic buffer assemblies are arranged in a 'field' -shaped manner, each elastic buffer assembly comprises a guide sleeve rod (51) and a buffer spring (52), the guide sleeve rods (51) are arranged between a supporting top plate (1) and a supporting plate (2), each guide sleeve rod (51) comprises an outer sleeve and an inner rod, each inner rod is inserted into the corresponding outer sleeve and is in sliding connection with the corresponding inner rod, the bottoms of the outer sleeves in the corresponding guide sleeve rods (51) are fixedly connected with the upper surface of the supporting plate (2), the tops of the inner rods in the corresponding guide sleeve rods (51) are fixedly connected with the lower surface of the supporting top plate (1), and the buffer springs (52) are sleeved
Is arranged outside the guide sleeve rod (51), the top of the buffer spring (52) is fixedly connected with the lower surface of the supporting top plate (1),
the bottom of the buffer spring (52) is fixedly connected with the upper surface of the bearing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320181091.8U CN218991607U (en) | 2023-02-10 | 2023-02-10 | Hydraulic engineering tunnel top strutting arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320181091.8U CN218991607U (en) | 2023-02-10 | 2023-02-10 | Hydraulic engineering tunnel top strutting arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218991607U true CN218991607U (en) | 2023-05-09 |
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ID=86221045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320181091.8U Active CN218991607U (en) | 2023-02-10 | 2023-02-10 | Hydraulic engineering tunnel top strutting arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218991607U (en) |
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2023
- 2023-02-10 CN CN202320181091.8U patent/CN218991607U/en active Active
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