CN215170079U - Self-locking device for arch center - Google Patents
Self-locking device for arch center Download PDFInfo
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- CN215170079U CN215170079U CN202120833735.8U CN202120833735U CN215170079U CN 215170079 U CN215170079 U CN 215170079U CN 202120833735 U CN202120833735 U CN 202120833735U CN 215170079 U CN215170079 U CN 215170079U
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Abstract
The utility model relates to a technical field is strutted to tunnel construction bow member, especially relates to a self-lock device for bow member, including locking hook and lockplate, the locking hook includes that the locking hook body is served to the locking hook body, and the locking hook body serves and is provided with the fixed orifices, and the locking hook body other end is provided with the locking end, and the locking hook body encircles the section through fixed orifices, shaft hole and round pin axle and one and links to each other, and the lockplate setting is provided with the locking groove on another arch section, locking groove and locking end looks block, and two encircle the section and articulate. The self-locking device and the method of the arch centering can greatly improve the installation efficiency and the accuracy of the arch centering, reduce the configuration of constructors and ensure the safety of the constructors.
Description
Technical Field
The utility model relates to a tunnel construction bow member struts technical field, exactly relates to a self-lock device for bow member.
Background
In the tunnel construction by the drilling and blasting method, the previous pre-supporting truss arch frame is mostly composed of single I-steel or other members, and the single I-steel or other members are installed in a multi-section and subsection butt joint mode, so that the installation efficiency is low, and the construction difficulty is high. How to install the front arch frame quickly, efficiently and safely is the key point in the construction process of the current preliminary bracing operation.
In the prior art, a chinese patent document with publication number CN109488345A and publication date of 2019, 3 and 19 discloses a construction method for quickly installing a tunnel arch, which includes: dividing an arch into at least two sections according to the arch span required by the tunnel, wherein one section is a main arch section, and the other sections are auxiliary arch sections, wherein the main arch section is formed by splicing a plurality of sections of arch sections outside the tunnel; splicing a plurality of main arch sections on the rack outside the tunnel, and welding transverse ribs and meshes on the plurality of main arch sections to form an integrated structure; hoisting a plurality of main arch sections to a multi-arch clamping tray of the main arm by using a hoisting mechanism; the arch centering machine is provided with a plurality of main arch centering sections which are opened into the tunnel and reach the tunnel face; and lifting the multiple main arch sections to the mounting position by the main arch frame, standing the operating hand on the ground or splicing the rest arch sections and the multiple main arch sections into a whole by using the left and right auxiliary arm frames.
In the prior art represented by the above patent documents, the arch is divided into a main arch section and an auxiliary arch section, the main arch section is formed by splicing a plurality of sections of arch sections outside the tunnel, and the splicing of the plurality of main arch sections is completed outside the tunnel, namely, a plurality of main arch sections with integrated structures formed by connecting transverse ribs and meshes are connected between a single main arch section and a single main arch section, in the actual construction process, the connection and fixing of the sections are required manually, the safety guarantee measures of constructors are limited before the arch is not supported, the constructors have greater safety risks, and therefore, the key is how to quickly mount the arch without people.
Disclosure of Invention
The utility model discloses aim at defect and not enough to above-mentioned prior art existence, provide a self-lock device for bow member, self-lock device fixes the hookup location in each hunch section, mainly includes locking hook, round pin axle, lockplate, and the locking hook passes through the fixed orifices, the shaft hole is fixed on encircleing the section with round pin axle, and the lockplate is fixed on another hunch section both sides, and locking portion on the locking hook body and the locking groove completion on the lockplate are fixed, encircles the section both sides and sets up locking hook or lockplate, can accomplish fast and encircle fixed between the section.
The utility model discloses a realize through adopting following technical scheme:
a self-locking device for an arch center is characterized in that: including locking hook and lockplate, the locking hook includes the locking hook body including the locking hook, locking hook body one serves and is provided with the fixed orifices, the locking hook body other end is provided with the locking end, the locking hook body encircles the section through fixed orifices, shaft hole and round pin axle and one and links to each other, the lockplate sets up on another hunch section, be provided with the locking groove on the lockplate, locking groove and locking end looks block, two encircle the section articulated.
Preferably, the locking hook and the locking plate are two.
Preferably, the pin shaft is sleeved with a spring, one end of the spring is connected with the first fixing column, and the other end of the spring is connected with the second fixing column.
Preferably, the first fixing column is arranged on the arch section, and the second fixing column is arranged on the locking hook body.
Preferably, the left end of the locking plate is provided with a slope.
Preferably, a pin hole is formed in the small-opening end of the pin shaft.
Preferably, a cotter pin is arranged in the pin through hole.
Preferably, a gasket is further sleeved on the small-opening end of the pin shaft.
Preferably, the arch section is further provided with a limiting column.
Preferably, the arch sections are hinged through a hinge structure, the hinge structure comprises two hinge lugs and a hinge pin, each hinge lug comprises a thick plate section and a thin plate section, the upper end of each thick plate section is fixedly welded on the arch section, each thin plate section is connected with the corresponding thick plate section, hinge holes are formed in the connecting parts of the thin plate section and the thick plate section, and the two hinge lugs are connected with the hinge pin through the hinge holes.
The utility model discloses the use:
the ear plates are welded between the arch sections, the ear plates are provided with the thin plate sections and the thick plate sections according to the position relation of the two working sections, the included angle of the two arch sections is limited within the design range, and the arch sections are prevented from swinging greatly in the installation process of the arch frame. And locking plates are welded on two sides of one arch section and matched with the locking hooks to finish self-locking of the arch frame. And a shaft hole is formed in the web plate of the other arch section, a pin shaft penetrates through the shaft hole to fix the springs and the locking hooks on the two sides of the web plate, and the springs apply prestress to enable the locking hooks to rotate towards the locking plate and to be tightly pressed. When the arch frame is in a retraction state, the locking is pressed on the inclined surface of the locking plate, and the arch frame can rotate freely. After the arch frame is conveyed to the installation position, the locking hook slides towards the locking plate notch along the locking plate inclined plane along with the unfolding of the arch frame. And the arch centering is opened until the locking hook slides into the slot of the locking plate, and after the opening restriction is released, the arch centering can complete self-locking, so that the integral strength and stability of the arch centering are ensured. The self-locking device and the method of the arch centering can greatly improve the installation efficiency and the accuracy of the arch centering, reduce the configuration of constructors and ensure the safety of the constructors.
Compared with the prior art, the utility model discloses the beneficial effect who reaches as follows:
1. the utility model discloses in, adopt "self-lock device to fix the hookup location in each section of encircleing, mainly include locking hook, round pin axle, lockplate, the locking hook passes through fixed orifices, shaft hole and round pin hub fixation on encircleing the section, and the lockplate is fixed on another section both sides of encircleing, and locking portion on the locking hook body and locking groove on the lockplate are accomplished fixedly, and the section both sides of encircleing set up locking hook or lockplate, can accomplish fast and encircle the fixed between the section.
2. The utility model discloses in, adopt "locking hook and lockplate to be two, set up respectively in encircleing section both sides, encircleing section both sides and setting up locking hook or lockplate for it is more firm to encircle between the section.
3. The utility model discloses in, adopt "sell epaxial cover and be equipped with the spring, spring one end links to each other with first fixed column, and the spring other end links to each other with the second fixed column, and first fixed column setting is on encircleing the section, and the second fixed column setting is on the locking hook body", and prestressing force is applyed to the spring, makes the locking hook rotatory and compress tightly to lockplate department.
4. The utility model discloses in, adopt "locking plate left end to be provided with the inclined plane", when the bow member retracted the state, the locking was pressed on the inclined plane of lockplate, but the bow member free rotation.
5. The utility model discloses in, adopt "articulated round pin axle microcephaly end to be provided with and wear the pinhole, wear to be provided with the split pin in the pinhole, can accomplish the connection of locking hook and hunch section fast.
6. The utility model discloses in, adopt "round pin axle osculum to serve still to overlap and be equipped with the packing ring", the setting of packing ring and split pin prevents that the spring from bunching out.
7. The utility model discloses in, adopt "still to be provided with spacing post on the arch section", prevent that the sticking department on the locking hook body from sliding down the inclined plane for the arch section can't normally rotate.
8. The utility model discloses in, adopt "hinge structure to include two hinge ears and hinge pin axle, the hinge ear includes thick plate section and thin plate section, and the fixed welding in thick plate section upper end is on encircleing the section, and the thin plate section links to each other with the thick plate section, thin plate section and thick plate section connecting portion are provided with the hinge hole, and two hinge ears pass through the hinge hole and articulate the pin axle and link to each other", and the contained angle of making two arch sections prevents that the arch section from taking place great swing in the bow member installation.
Drawings
The invention will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic structural view of a locking hook of the present invention;
fig. 4 is a schematic structural diagram of the middle hinge structure of the present invention.
The labels in the figure are: 1. a locking hook; 1.1, locking hook body; 1.2, fixing holes; 1.3, a locking part; 2. a locking plate; 2.1, locking grooves; 2.2, inclined plane; 3. an arch section; 3.1, shaft holes; 4. a spring; 5. a first fixed column; 6. a second fixed column; 7. a pin hole is penetrated; 8. a cotter pin; 9. a gasket; 10. a limiting column; 11. a hinge structure; 11.1, hinging lugs; 11.2, hinging a pin shaft; 11.3, thick plate section; 11.4, thin plate sections; 11.5, a hinge hole; 12. and (7) a pin shaft.
Detailed Description
The invention is further described in the following with reference to the drawings and examples, but it should not be understood that the invention is limited to the examples below, and variations and modifications in the field of the invention are intended to be included within the scope of the appended claims without departing from the spirit of the invention.
Example 1
As a most basic embodiment of the present invention, this embodiment discloses a self-lock device for bow member, as shown in fig. 1-3, including locking hook 1 and lockplate 2, locking hook 1 includes locking hook body 1.1 including locking hook 1, locking hook body 1.1 serves and is provided with fixed orifices 1.2, the locking hook body 1.1 other end is provided with the locking end, locking hook body 1.1 links to each other with one hunch section 3 through fixed orifices 1.2, shaft hole 3.1 and round pin axle 12, lockplate 2 sets up on another hunch section 3, be provided with locking groove 2.1 on the lockplate 2, locking groove 2.1 and locking end looks block, two hunch sections 3 are articulated mutually.
Example 2
As the utility model discloses a preferred embodiment, this embodiment discloses a self-lock device for bow member, as shown in fig. 1-3, including locking hook 1 and lockplate 2, locking hook 1 includes locking hook body 1.1 including locking hook 1, locking hook body 1.1 serves and is provided with fixed orifices 1.2, the locking hook body 1.1 other end is provided with the locking end, locking hook body 1.1 links to each other with one hunch section 3 through fixed orifices 1.2, shaft hole 3.1 and round pin axle 12, lockplate 2 sets up on another hunch section 3, be provided with locking groove 2.1 on the lockplate 2, locking groove 2.1 and locking end looks block, two hunch sections 3 are articulated mutually.
Preferably, the locking hook 1 and the locking plate 2 are two.
Preferably, the pin shaft 12 is sleeved with a spring 4, one end of the spring 4 is connected with the first fixing column 5, and the other end of the spring 4 is connected with the second fixing column 6.
Preferably, the first fixing column 5 is arranged on the arch segment 3, and the second fixing column 6 is arranged on the locking hook body 1.1.
Example 3
As the utility model discloses a preferred embodiment, this embodiment discloses a self-lock device for bow member, as shown in fig. 1-3, including locking hook 1 and lockplate 2, locking hook 1 includes locking hook body 1.1 including locking hook 1, locking hook body 1.1 serves and is provided with fixed orifices 1.2, the locking hook body 1.1 other end is provided with the locking end, locking hook body 1.1 links to each other with one hunch section 3 through fixed orifices 1.2, shaft hole 3.1 and round pin axle 12, lockplate 2 sets up on another hunch section 3, be provided with locking groove 2.1 on the lockplate 2, locking groove 2.1 and locking end looks block, two hunch sections 3 are articulated mutually.
Preferably, the locking hook 1 and the locking plate 2 are two.
Preferably, the pin shaft 12 is sleeved with a spring 4, one end of the spring 4 is connected with the first fixing column 5, and the other end of the spring 4 is connected with the second fixing column 6.
Preferably, the first fixing column 5 is arranged on the arch segment 3, and the second fixing column 6 is arranged on the locking hook body 1.1.
Preferably, the left end of the locking plate 2 is provided with an inclined surface 2.2.
Preferably, a pin hole 7 is formed in the small opening end of the pin shaft 12.
Preferably, a cotter pin 8 is arranged in the pin through hole 7.
Preferably, a gasket 9 is further sleeved on the small-opening end of the pin shaft 12.
Preferably, the arch section 3 is further provided with a limiting column 10.
As shown in fig. 4, preferably, the arch sections 3 are hinged to each other through a hinge structure 11, the hinge structure 11 includes two hinge lugs 11.1 and a hinge pin 11.2, the hinge lug 11.1 includes a thick plate section 11.3 and a thin plate section 11.4, the upper end of the thick plate section 11.3 is fixedly welded on the arch section 3, the thin plate section 11.4 is connected with the thick plate section 11.3, a hinge hole 11.5 is formed at a connection portion between the thin plate section 11.4 and the thick plate section 11.3, and the two hinge lugs 11.1 are connected with the hinge pin 11.2 through the hinge hole 11.5.
The utility model discloses the use:
the ear plates are welded between the arch sections 3, the ear plates are provided with the thin plate sections 11.4 and the thick plate sections 11.3 according to the position relation of the two working sections, the included angle of the two arch sections 3 is limited within the design range, and the arch sections 3 are prevented from swinging greatly in the installation process of the arch frame. And locking plates 2 are welded on two sides of one arch section 3 and matched with the locking hooks 1 to complete arch frame self-locking. Another arch section 3 web plate axle opening hole 3.1, wear the fixed web plate both sides spring 4 of round pin axle 12 and locking hook 1, spring 4 exerts prestressing force, makes locking hook 1 rotate and compress tightly to lockplate 2 department. When the arch frame is in a retraction state, the locking is pressed on the inclined plane 2.2 of the locking plate 2, and the arch frame can rotate freely. After the arch is conveyed to the installation position, the locking hook 1 slides along the inclined surface 2.2 of the locking plate 2 towards the notch of the locking plate 2 along the opening of the arch. And the arch centering is opened until the locking hook 1 slides into the groove of the locking plate 2, and after the opening restriction is released, the arch centering can complete self-locking, so that the integral strength and stability of the arch centering are ensured. The self-locking device and the method of the arch centering can greatly improve the installation efficiency and the accuracy of the arch centering, reduce the configuration of constructors and ensure the safety of the constructors.
Compared with the prior art, the utility model discloses the beneficial effect who reaches as follows:
1. the utility model discloses in, adopt "self-lock device to fix the hookup location at each hunch section 3, mainly include locking hook 1, round pin axle 12, lockplate 2, locking hook 1 is fixed on encircleing section 3 through fixed orifices 1.2, shaft hole 3.1 and round pin axle 12, lockplate 2 is fixed on another hunch section 3 both sides, locking portion 1.3 on the locking hook body 1.1 and the locking groove 2.1 on the lockplate 2 accomplish fixedly, it sets up locking hook 1 or lockplate 2 to encircle 3 both sides of section, can accomplish fast and encircle the fixed between the section 3.
2. The utility model discloses in, adopt "locking hook 1 and lockplate 2 to be two, set up respectively in encircleing section 3 both sides, encircleing section 3 both sides and setting up locking hook 1 or lockplate 2 for it is more firm to encircle to fix between the section 3.
3. The utility model discloses in, adopt "the cover is equipped with spring 4 on the round pin axle 12, and 4 one ends of spring link to each other with first fixed column 5, and the 4 other ends of spring link to each other with second fixed column 6, and first fixed column 5 sets up on encircleing section 3, and second fixed column 6 sets up on locking hook body 1.1", and the prestressing force is applyed to spring 4, makes locking hook 1 rotatory and compress tightly to lockplate 2 department.
4. The utility model discloses in, adopt "2 left ends on lockplate to be provided with inclined plane 2.2", the bow member is when retracting the state, and the locking is pressed on 2.2 on the inclined plane of lockplate 2, but the bow member free rotation.
5. The utility model discloses in, adopt "11.2 osculum ends of hinge pin axle to be provided with and wear pinhole 7, wear to be provided with split pin 8 in the pinhole 7, can accomplish locking hook 1 fast and encircle the connection of section 3.
6. The utility model discloses in, adopt "12 osculums of round pin axle to serve still to overlap and be equipped with packing ring 9", packing ring 9 prevents that spring 4 from bunching out with the setting of split pin 8.
7. The utility model discloses in, adopt "still to be provided with spacing post 10 on the arch section 3", prevent that sticking department 1.3 on the locking hook body 1.1 from sliding inclined plane 2.2 down for arch section 3 can't normally rotate.
8. The utility model discloses in, adopt "hinge structure 11 to include two hinge ears 11.1 and hinge pin axle 11.2, hinge ear 11.1 includes thick plate section 11.3 and thin plate section 11.4, and the fixed welding in thick plate section 11.3 upper end is on encircleing section 3, and thin plate section 11.4 links to each other with thick plate section 11.3, thin plate section 11.4 and thick plate section 11.3 connecting portion are provided with hinge hole 11.5, and two hinge ears 11.1 link to each other with hinge pin axle 11.2 through hinge hole 11.5, and the contained angle of making two arch sections 3 prevents that arch section 3 from taking place great swing in the bow member installation.
In conclusion, after the ordinary skilled in the art reads the document of the present invention, the technical solution and technical idea of the present invention do not need creative mental labor and make other various corresponding transformation schemes, which all belong to the protection scope of the present invention.
Claims (10)
1. A self-locking device for an arch center is characterized in that: including locking hook (1) and lockplate (2), locking hook (1) is including locking hook body (1.1) including locking hook (1), locking hook body (1.1) serves and is provided with fixed orifices (1.2), the locking hook body (1.1) other end is provided with the locking end, locking hook body (1.1) is continuous with one hunch section (3) through fixed orifices (1.2), shaft hole (3.1) and round pin axle (12), lockplate (2) set up on another hunch section (3), be provided with locking groove (2.1) on lockplate (2), locking groove (2.1) and locking end looks block, two hunch sections (3) are articulated mutually.
2. A self-locking device for an arch according to claim 1, wherein: the locking hook (1) and the locking plate (2) are two.
3. A self-locking device for an arch according to claim 1, wherein: the hinge pin is sleeved with a spring (4), one end of the spring (4) is connected with the first fixing column (5), and the other end of the spring (4) is connected with the second fixing column (6).
4. A self-locking device for an arch according to claim 3, wherein: the first fixing column (5) is arranged on the arch section (3), and the second fixing column (6) is arranged on the locking hook body (1.1).
5. A self-locking device for an arch according to claim 1, wherein: the left end of the locking plate (2) is provided with an inclined plane (2.2).
6. A self-locking device for an arch according to claim 1, wherein: a pin hole (7) is arranged at the small opening end of the pin shaft (12).
7. A self-locking device for an arch according to claim 6, wherein: a cotter pin (8) is arranged in the pin through hole (7).
8. A self-locking device for an arch according to claim 1, wherein: and a gasket (9) is also sleeved on the small opening end of the pin shaft (12).
9. A self-locking device for an arch according to claim 1, wherein: and the arch section (3) is also provided with a limiting column (10).
10. A self-locking device for an arch according to claim 1, wherein: the arch section (3) is hinged through a hinge structure (11), the hinge structure (11) comprises two hinge lugs (11.1) and a hinge pin shaft (11.2), the hinge lugs (11.1) comprise a thick plate section (11.3) and a thin plate section (11.4), the upper end of the thick plate section (11.3) is fixedly welded on the arch section (3), the thin plate section (11.4) is connected with the thick plate section (11.3), a hinge hole (11.5) is formed in the connecting part of the thin plate section (11.4) and the thick plate section (11.3), and the two hinge lugs (11.1) are connected with the hinge pin shaft (11.2) through the hinge hole (11.5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120833735.8U CN215170079U (en) | 2021-04-22 | 2021-04-22 | Self-locking device for arch center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120833735.8U CN215170079U (en) | 2021-04-22 | 2021-04-22 | Self-locking device for arch center |
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| Publication Number | Publication Date |
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| CN215170079U true CN215170079U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120833735.8U Active CN215170079U (en) | 2021-04-22 | 2021-04-22 | Self-locking device for arch center |
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| CN (1) | CN215170079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116290632A (en) * | 2023-05-24 | 2023-06-23 | 中益诚达建设集团有限公司 | Spliced building board and splicing method |
-
2021
- 2021-04-22 CN CN202120833735.8U patent/CN215170079U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116290632A (en) * | 2023-05-24 | 2023-06-23 | 中益诚达建设集团有限公司 | Spliced building board and splicing method |
| CN116290632B (en) * | 2023-05-24 | 2023-08-11 | 中益诚达建设集团有限公司 | Spliced building board and splicing method |
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