CN216714402U - Novel tunnel supporting trolley - Google Patents
Novel tunnel supporting trolley Download PDFInfo
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- CN216714402U CN216714402U CN202220263439.3U CN202220263439U CN216714402U CN 216714402 U CN216714402 U CN 216714402U CN 202220263439 U CN202220263439 U CN 202220263439U CN 216714402 U CN216714402 U CN 216714402U
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Abstract
The utility model discloses a novel tunnel supporting trolley, and relates to the technical field of tunnel supporting. The telescopic type steel bar net cage comprises a top frame and two side frames arranged on the lower side of the top frame, wherein a first steel bar net is arranged on the upper side of the top frame, a plurality of groups of telescopic joints are arranged on one side of each side frame, each group of telescopic joints comprises a plurality of telescopic joints, a second steel bar net is arranged on the upper side of each group of telescopic joints, two cylinders are rotatably matched in the telescopic joints, a plurality of clamping grooves are formed in one end of each cylinder, two positioning holes are formed in the side portion of each cylinder, bolts corresponding to the cylinders are arranged on one side of each side frame, and one ends of the bolts penetrate through the side frames and are in threaded fit in the cylinders. The first reinforcing mesh and the second reinforcing mesh are used for intercepting falling rocks in the tunnel, meanwhile, a standing platform is provided for drilling construction of the middle part and the top part of the tunnel for people to excavate, the side edge of the support trolley is extended through the telescopic joint, the support trolley can be suitable for tunnel construction with various widths, and the probability of loosening and falling of the bolt is reduced through matching of the barrel body and the bolt.
Description
Technical Field
The utility model belongs to the technical field of tunnel support, and particularly relates to a novel tunnel support trolley.
Background
In water conservancy projects, a closed water delivery channel is constructed by frequently digging through mountains for delivering water or discharging flood, and is called a hydraulic tunnel, and the hydraulic tunnel can be divided into a water discharge tunnel and a water discharge tunnel according to different tasks, wherein the water discharge tunnel is used for discharging water required by irrigation, power generation, water supply and the like from a reservoir, and the water discharge tunnel is used for discharging partial flood from a flood spillway, discharging tail water from a hydropower station, emptying the reservoir for overhauling a hub building or meeting the needs of war supplies and the like, discharging sand and the like.
The existing tunnel construction height is higher, the rock falling danger exists in the construction in the tunnel, the operation distance of general personnel is only about 2 meters, and once the operation distance is exceeded, the construction quality can not be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel tunnel supporting trolley, which solves the technical problems that the construction height of the existing tunnel is higher, the rock falling danger exists in the construction in the tunnel, the operation distance of general personnel is only about meters, and once the operation distance is exceeded, the construction quality cannot be guaranteed.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model provides a novel tunnel supporting trolley, including the roof-rack, and install two side bearers at the roof-rack downside, first reinforcing bar net has been installed to the roof-rack upside, side bearer one side is equipped with the multiunit telescopic joint, every group telescopic joint includes a plurality of telescopic joints, the telescopic joint is located one side of roof-rack, the second reinforcing bar net has been installed to every group telescopic joint upside, telescopic joint normal running fit has two barrels, a plurality of draw-in grooves have been seted up to barrel one end, two locating holes have been seted up to barrel lateral part symmetry, side bearer one side is equipped with the bolt corresponding with the barrel, bolt one end runs through the side bearer screw-thread fit in the barrel, the elastic sliding has the plectane corresponding with the barrel in the telescopic joint, the fixture block corresponding with the draw-in groove has been installed to plectane one end, fixture block sliding fit is in the draw-in groove.
Optionally, two rings are arranged on the periphery of the cylinder body, the rings are rotationally matched in the telescopic joint, and the positioning hole is located between the two rings.
Optionally, one end of the circular plate is rotatably matched with the push plate, the cylinder is located on the periphery of the push plate, and the fixture block is located on the side portion of the push plate.
Optionally, a spring is disposed between one end of the circular plate and the inner wall of the telescopic joint, a rod is disposed at one end of the circular plate, the rod is of a rectangular structure, the rod is slidably fitted in the telescopic joint, the spring is sleeved around the rod, and the circular plate is disposed between the push plate and the rod.
Optionally, the upper side and the lower side of the telescopic joint are both provided with jacks corresponding to the positioning holes, and the positioning holes are communicated with the jacks.
Optionally, one side of the side frame is provided with a side diagonal brace corresponding to the expansion joint, and the upper side of the side diagonal brace is arranged at the lower side of the expansion joint.
Optionally, one side of each side frame is provided with a plurality of first inner supports and a plurality of second inner supports, the first inner supports and the second inner supports are located between the two side frames, and the upper sides of the first inner supports and the second inner supports are arranged on the lower side of the top frame.
Optionally, a plurality of universal wheels are arranged on the lower side of the side frame, a ladder stand is arranged on one side of the side frame, and the ladder stand is located above the universal wheels.
The embodiment of the utility model has the following beneficial effects:
according to the embodiment of the utility model, the first reinforcing mesh and the second reinforcing mesh are used for intercepting falling rocks in the tunnel, meanwhile, a standing platform is provided for people to excavate the middle and top drilling construction of the tunnel, the side edge of the supporting trolley is extended through the telescopic joint, the supporting trolley can be suitable for tunnel construction with various widths, the probability of loosening and falling of the bolt is reduced through the matching of the barrel body and the bolt, the use safety of the supporting trolley is improved, and the influence on the construction quality is further reduced.
Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a front elevation view of a tunnel excavation according to one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an expansion joint according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a in fig. 2.
Wherein the figures include the following reference numerals:
the steel bar net comprises side frames 1, a top frame 2, telescopic joints 3, jacks 301, bolts 4, a barrel 5, a ring 501, clamping grooves 502, positioning holes 503, a circular plate 6, a push plate 601, clamping blocks 602, rod bodies 603, springs 604, side inclined struts 7, first inner struts 8, second inner struts 9, a first steel bar net 10, a second steel bar net 11, a ladder stand 12 and universal wheels 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.
To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the utility model have been omitted.
Referring to fig. 1-3, in the present embodiment, a novel tunnel supporting trolley is provided, which includes: the top frame 2 and two side frames 1 arranged on the lower side of the top frame 2, a first reinforcing mesh 10 is arranged on the upper side of the top frame 2, a plurality of groups of telescopic joints 3 are arranged on one side of each side frame 1, each group of telescopic joints 3 comprises a plurality of telescopic joints 3, each telescopic joint 3 is located on one side of the top frame 2, a second reinforcing mesh 11 is arranged on the upper side of each group of telescopic joints 3, two cylinders 5 are rotationally matched in the telescopic joints 3, a plurality of clamping grooves 502 are formed in one ends of the cylinders 5, two positioning holes 503 are symmetrically formed in the side portions of the cylinders 5, bolts 4 corresponding to the cylinders 5 are arranged on one side of each side frame 1, one ends of the bolts 4 penetrate through the side frames 1 and are in threaded fit in the cylinders 5, circular plates 6 corresponding to the cylinders 5 elastically slide in the telescopic joints 3, clamping blocks 602 corresponding to the clamping grooves 502 are arranged at one ends of the circular plates 6, and the clamping blocks 602 are in sliding fit in the clamping grooves 502.
The application of one aspect of the embodiment is as follows: during installation, one end of a bolt 4 penetrates through the side frame 1 and is screwed into the cylinder body 5, the cylinder body 5 is limited by the clamping block 602 and is difficult to rotate, then the bolt 4 continues to rotate, one end of the bolt 4 extends into the cylinder body 5 until the bolt 4 extrudes the circular plate 6 to displace, the circular plate 6 displaces to drive the clamping block 602 to be separated from the clamping groove 502, the clamping block 602 cancels the limitation on the cylinder body 5 at the moment, the bolt 4 rotates to drive the cylinder body 5 to rotate along with the cylinder body 5, when the bolt is required to be disassembled, the positioning hole 503 is inserted by means of a tool, so that the rotation of the cylinder body 5 is limited, and the rotary bolt 4 is disassembled.
Through the falling rocks in first reinforcing bar net 10, the 11 interception tunnels of second reinforcing bar net, provide the platform of standing for personnel's excavation tunnel middle part, top drilling construction simultaneously, support the platform truck side through the expansion joint 3 extension, can be applicable to the tunnel construction of multiple width, through barrel 5 and the cooperation of bolt 4, reduce the not hard up probability that drops of bolt 4, improve the security of supporting the platform truck use, and then reduce the influence to construction quality.
As shown in fig. 3, two rings 501 are installed on the periphery of the cylinder 5 in this embodiment, the rings 501 are rotatably fitted in the telescopic joint 3, and the positioning hole 503 is located between the two rings 501, so that the stability of rotation of the cylinder 5 is improved by the rings 501, and the probability of the cylinder 5 separating from the telescopic joint 3 is reduced.
As shown in fig. 3, in the present embodiment, a push plate 601 is rotatably coupled to one end of a circular plate 6, a cylinder 5 is located on the periphery of the push plate 601, and a latch 602 is located on the side of the push plate 601, so that when in use, the bolt 4 presses the push plate 601 to push the circular plate 6, and the rotation of the push plate 601 reduces the friction between the rotation of the bolt 4 and the circular plate 6. A spring 604 is arranged between one end of the circular plate 6 and the inner wall of the telescopic joint 3, the circular plate 6 is timely reset through the spring 604, a rod body 603 is arranged at one end of the circular plate 6, the rod body 603 is of a rectangular structure, the rod body 603 is in sliding fit in the telescopic joint 3, the spring 604 is sleeved on the periphery of the rod body 603, the circular plate 6 is located between the push plate 601 and the rod body 603, the rectangular structure of the rod body 603 limits the rotation of the circular plate 6, and the probability that the circular plate 6 is driven to rotate through the barrel 5 when the bolt 4 is screwed is reduced.
As shown in fig. 2, the telescopic joint 3 of the present embodiment has insertion holes 301 corresponding to the positioning holes 503 on both upper and lower sides thereof, the positioning holes 503 are communicated with the insertion holes 301, and a tool is inserted into the insertion holes 301, so that when the barrel 5 rotates to align the positioning holes 503 with the insertion holes 301, the tool can be inserted into the positioning holes 503, thereby limiting the rotation of the barrel 5.
As shown in fig. 1, a side diagonal brace 7 corresponding to the telescopic joint 3 is installed on one side of the side frame 1 of the present embodiment, the upper side of the side diagonal brace 7 is installed on the lower side of the telescopic joint 3, and the side diagonal brace 7 is connected with the telescopic joint 3 and the side frame 1 through fasteners. A plurality of first inner supports 8 and a plurality of second inner supports 9 are arranged on one side of the side frames 1, the first inner supports 8 and the second inner supports 9 are positioned between the two side frames 1, the upper sides of the first inner supports 8 and the second inner supports 9 are arranged on the lower side of the top frame 2, and the first inner supports 8 and the second inner supports 9 are different in length and are used for supporting different areas of the top frame 2. A plurality of universal wheels 13 are installed to side bearer 1 downside, and cat ladder 12 has been installed to side bearer 1 one side, and cat ladder 12 is located the top of universal wheel 13, and the personnel of being convenient for climb to the work of strutting the platform truck eminence through cat ladder 12, and the platform truck of being convenient for to strut through universal wheel 13 moves the position, improves work efficiency.
The above embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Claims (8)
1. The utility model provides a novel platform truck is strutted to tunnel, a serial communication port, include: a top frame (2), the steel bar net type lifting device comprises two side frames (1) arranged on the lower side of a top frame (2), a first steel bar net (10) is arranged on the upper side of the top frame (2), a plurality of groups of expansion joints (3) are arranged on one side of each side frame (1), each group of expansion joints (3) comprises a plurality of expansion joints (3), a second steel bar net (11) is arranged on the upper side of each group of expansion joints (3), two cylinders (5) are matched in the expansion joints (3) in a rotating mode, a plurality of clamping grooves (502) are formed in one end of each cylinder (5), two positioning holes (503) are formed in the side portion of each cylinder (5), bolts (4) corresponding to the cylinders (5) are arranged on one side of each side frame (1), one ends of the bolts (4) penetrate through the side frames (1) and are matched in the cylinders (5) in a threaded mode, circular plates (6) corresponding to the cylinders (5) slide elastically in the expansion joints (3), and clamping blocks (602) corresponding to the clamping grooves (502) are arranged on one ends of the circular plates (6).
2. A novel tunnel support trolley as claimed in claim 1 wherein the cylinder (5) is circumferentially provided with two rings (501).
3. A novel tunnel support trolley as claimed in claim 1 wherein one end of the circular plate (6) is rotatably fitted with a push plate (601).
4. A novel tunnel support trolley as claimed in claim 1, wherein a spring (604) is provided between one end of the circular plate (6) and the inner wall of the telescopic joint (3), a rod body (603) is provided at one end of the circular plate (6), and the rod body (603) is of a cuboid structure.
5. A novel tunnel supporting trolley as claimed in claim 1, wherein the upper and lower sides of the telescopic joint (3) are provided with insertion holes (301) corresponding to the positioning holes (503).
6. A novel tunnel support trolley as claimed in claim 1, wherein one side of the side frame (1) is provided with a side diagonal brace (7) corresponding to the telescopic joint (3), and the upper side of the side diagonal brace (7) is arranged at the lower side of the telescopic joint (3).
7. A novel tunnel supporting trolley as claimed in claim 1, wherein one side of the side frame (1) is provided with a plurality of first inner supports (8) and a plurality of second inner supports (9), and the upper sides of the first inner supports (8) and the second inner supports (9) are arranged at the lower side of the top frame (2).
8. A novel tunnel support trolley as claimed in claim 1 wherein the side frame (1) is provided with a plurality of universal wheels (13) on the underside and a ladder (12) on one side of the side frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220263439.3U CN216714402U (en) | 2022-02-09 | 2022-02-09 | Novel tunnel supporting trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220263439.3U CN216714402U (en) | 2022-02-09 | 2022-02-09 | Novel tunnel supporting trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216714402U true CN216714402U (en) | 2022-06-10 |
Family
ID=81874218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220263439.3U Active CN216714402U (en) | 2022-02-09 | 2022-02-09 | Novel tunnel supporting trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216714402U (en) |
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2022
- 2022-02-09 CN CN202220263439.3U patent/CN216714402U/en active Active
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