CN217997812U - Unit type prefabricated fast-assembling bridge expansion device - Google Patents
Unit type prefabricated fast-assembling bridge expansion device Download PDFInfo
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- CN217997812U CN217997812U CN202222354816.7U CN202222354816U CN217997812U CN 217997812 U CN217997812 U CN 217997812U CN 202222354816 U CN202222354816 U CN 202222354816U CN 217997812 U CN217997812 U CN 217997812U
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- leveling
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- comb plate
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Abstract
The utility model relates to a road bridge expansion joint field especially relates to a prefabricated fast-assembling bridge telescoping device of unit formula. The telescopic device comprises a comb plate, the comb plate and concrete are prefabricated into an integral unit module, a leveling upper sleeve (71) corresponding to the telescopic leveling system is arranged on the unit module, and a leveling bolt (73) can be placed in the leveling upper sleeve (71); at least one leveling upper sleeve (71) is included at the side of the integrated unit module. Adopt above technical scheme the utility model discloses, for prior art have following beneficial effect: firstly, the construction can be carried out quickly, and secondly, the microscopic leveling can be realized.
Description
Technical Field
The utility model relates to a road bridge expansion joint field especially relates to a prefabricated fast-assembling bridge telescoping device of unit formula.
Background
Query is carried out on a public database of Chinese patent by taking 'leveling and expansion joint and sleeve' as abstract key words
The patent CN206396629U and a quick-mounting comb plate expansion device are inquired;
this technique is applied to leveling boards;
however, in the construction process of the expansion device of the expansion joint in the prior art, a large amount of grouting is needed, and the after-ripening and solidification of concrete need time; the construction period of the road bridge construction is influenced to a certain extent.
This patent is mainly improved comb-tooth formula bridge telescoping device.
SUMMERY OF THE UTILITY MODEL
Utility model's purpose: in order to provide a unit type prefabricated quick-assembly bridge expansion device with better effect and a construction method, the concrete purpose is to see a plurality of substantial technical effects of the concrete implementation part.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a unit type prefabricated fast-assembling bridge expansion device is characterized in that the expansion device comprises a comb plate, the comb plate and concrete are prefabricated into an integral unit module, a leveling upper sleeve 71 corresponding to a telescopic leveling system is arranged on the unit module, and a leveling bolt 73 can be placed in the leveling upper sleeve 71; at least one leveling upper sleeve 71 is included at the side of the integrated unit module.
The utility model discloses a further technical scheme lies in, still contains the fixed sleeve that more than one can construction bolt on the holistic unit module, and this fixed sleeve is step sleeve first half 22.
The utility model discloses a further technical scheme lies in, step sleeve first half 22 equipartitions on holistic unit module.
The utility model has the further technical proposal that the two sides of the bridge expansion joint contain corresponding parts for placing the whole unit module, and the two side beam bodies of the bridge expansion joint contain corresponding parts and leveling lower sleeves 72 which are vertically corresponding to the leveling upper sleeves 71; one inner wall of the leveling upper sleeve 71 and the leveling lower sleeve 72 is smooth, and the other inner wall comprises threads; the corresponding leveling bolt 73 also has a portion of smooth outer wall, and a portion of containing threads; screwing the bolt from the leveling gap 10 can rotate the leveling bolt 73 to adjust the leveling degree of the unit module.
The utility model discloses a further technical scheme lies in, and flexible leveling system contains four groups, distributes at the avris of holistic unit module.
The utility model has the further technical proposal that the beam bodies at the two sides of the bridge expansion joint comprise corresponding parts and a lower half part 23 of the stepped sleeve corresponding to the upper half part 22 of the stepped sleeve; the bolts 4 are installed in the stepped sleeve upper half 22 and the stepped sleeve lower half 23 to fix the integrated unit modules.
The utility model adopts the further technical proposal that the integral anchoring plate 1 is welded at the lower part of the comb plate for supporting the whole comb plate; a plurality of transverse steel bars 6 are arranged in the integral anchoring plate.
The utility model discloses a further technical scheme lies in, fishback contain fixed fishback and slip fishback, the fishback that the fishback set up for the symmetry perhaps strides seam formula fishback.
A construction method for a unit type prefabricated fast-assembling bridge expansion device is characterized in that the device is used, and comprises the following steps;
prefabricating a unit: a cavity is enclosed by a detachable wood template or a one-step molding steel template, the interior of the cavity is filled with concrete or steel fiber concrete, and the leveling upper sleeve 71 and the upper half part 22 of the stepped sleeve are wrapped by the concrete at the same time; opening holes at two sides of the expansion joint, and pre-burying or pouring a prefabricated leveling lower sleeve 72 and a lower half part 23 of the stepped sleeve;
leveling: the telescopic device is quickly leveled through a telescopic leveling system 7, the upper part of the telescopic leveling system is a leveling upper sleeve 71 which is pre-embedded in precast concrete, the lower part of the telescopic leveling system is a leveling lower sleeve 72 which is pre-embedded in a beam body, when the telescopic device is installed, the telescopic device is quickly leveled by matching a high-strength bolt, an upper sleeve and a lower sleeve, and the telescopic device and the beam body are firmly connected together through the high-strength bolt; during the hoisting process of the bolts, the leveling bolts 73 are rotated by screwing the bolts through the leveling gaps 10 so as to adjust the leveling degree of the unit modules;
fixing: the inner side of the stepped sleeve is provided with internal threads matched with the high-strength bolt, the high-strength bolt is connected with the sleeve through threads, and the stepped sleeve vertically penetrates through the upper surface and the lower surface of the telescopic device; the stepped sleeve comprises two parts, namely an upper half part 22 of the stepped sleeve and a lower half part 23 of the stepped sleeve, wherein the upper half part 22 of the stepped sleeve is embedded in the telescopic device, the lower half part 23 of the stepped sleeve is embedded in a beam body at a predetermined position, the two parts are completely matched into the stepped sleeve when the telescopic device is installed, and the whole telescopic device is stable and firm through the connection of the high-strength bolts.
The further technical proposal of the utility model is that the method also comprises the step of arranging a vulcanized rubber layer or grouting between the integral unit and the beam body; the vulcanized rubber layer is used for water resistance and shock absorption; the grouting is used for filling the space, and steel fiber concrete is adopted for grouting.
The utility model has the further technical proposal that the system also comprises a special wrench system without extending hands, the system comprises a bottom supporting sleeve 139 which can be supported on the bridge floor, the bottom supporting sleeve 139 comprises a hole, an inner ring 138 can rotate in the bottom supporting sleeve 139, and a supporting shaft 137 is fixed above the inner ring 138; the upper portion of the supporting shaft 137 comprises a horizontal middle shaft 135 and an upper and lower turning sleeve 136 capable of rotating around the middle shaft 135, the upper and lower turning sleeve 136 is fixedly connected with an upper and lower turning shaft 134, the upper and lower turning shaft 134 is fixedly connected with a thread pushing shaft 133, the thread pushing shaft 133 is fixedly connected with a wrench 131 and can drive the wrench 131 to rotate, and further, the wrench head 132 is driven to rotate to further drive the leveling bolt in the leveling gap 12 to rotate.
The further technical proposal of the utility model is that the bottom support sleeve 139 is supported on the bridge floor; the upper and lower overturning sleeves 136 can rotate around the middle shaft 135; thereby pushing the wrench head 132 to fit the leveling bolt in the leveling gap 12; at this time, the hand pushes the screw to push the shaft 133 to rotate left and right, so as to perform leveling and tightening; a camera is stuck on the wrench, the camera is in communication connection with the mobile phone, and the leveling gap 12 can be seen on the mobile phone on the bridge floor.
Adopt above technical scheme the utility model discloses, for prior art have following beneficial effect: firstly, the construction can be carried out quickly, and secondly, the microscopic leveling can be realized.
Drawings
For further explanation of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings:
fig. 1 is a schematic structural view of the utility model;
FIG. 2 is an unlabeled schematic diagram of FIG. 1;
FIG. 3 is a schematic structural diagram of a telescopic leveling system of the telescopic device;
FIG. 4 is a partial perspective view of the integrated device;
FIG. 5 is a schematic perspective side view of the integrated device;
FIG. 6 is a top view of the device;
FIG. 7 is a perspective view of the overall device;
wherein: 1. an integral anchoring plate; 2, a stepped sleeve; 22, the upper half part of the stepped sleeve; 23. the lower half part of the stepped sleeve; 3, sliding comb plate; 4, bolts; 5, fixing the comb plate; 6, crossing the reinforcing steel bars; 7, a telescopic leveling system of the telescopic device; 8, paving a bridge deck pavement layer; 9. a rubber waterstop; 71. leveling the upper sleeve; 72. leveling the lower sleeve; 73. leveling bolts; 10. the gap is leveled.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The patent provides a plurality of parallel schemes, and different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each solution has its own unique features. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other. The fixing mode which is not described in the text can be any one of the fixing modes such as thread fixing, bolt fixing or glue bonding.
The first embodiment is as follows: with reference to all of the accompanying drawings; a unit type prefabricated fast-assembling bridge expansion device is characterized in that the expansion device comprises a comb plate, the comb plate and concrete are prefabricated into an integral unit module, a leveling upper sleeve 71 corresponding to a telescopic leveling system is arranged on the unit module, and a leveling bolt 73 can be placed in the leveling upper sleeve 71; at least one leveling upper sleeve 71 is included at the side of the integrated unit module. The technical scheme of the invention has the following essential technical effects and the realization process, namely, the basic functions: the embodiment is an individual capable of being independently sold, and the lower section schemes are all parallel schemes or improved schemes.
Prefabricating a unit: a cavity is enclosed by a detachable wood template or a one-step molding steel template, the interior of the cavity is filled with concrete or steel fiber concrete, and the leveling upper sleeve 71 and the upper half part 22 of the stepped sleeve are wrapped by the concrete at the same time; pre-burying or pouring a prefabricated leveling lower sleeve 72 and a step sleeve lower half part 23 at openings at two sides of the expansion joint;
leveling: the telescopic device is quickly leveled through a telescopic leveling system 7, the upper part of the telescopic leveling system is a leveling upper sleeve 71 pre-embedded in precast concrete, the lower part of the telescopic leveling system is a leveling lower sleeve 72 pre-embedded in a beam body, when the telescopic device is installed, the telescopic device and the beam body are firmly connected together through a high-strength bolt by using the high-strength bolt, the upper sleeve and the lower sleeve to complete quick leveling of the telescopic device in a matching manner; during the hoisting process of the bolts, the bolts are screwed through the leveling gaps 10 to enable the leveling bolts 73 to rotate so as to adjust the leveling degree of the unit modules;
firstly, the construction can be carried out quickly, and secondly, the microscopic leveling can be realized.
Example two: as a further improvement, or a parallel solution or an alternative independent solution, the integral unit module further comprises more than one fixing sleeve capable of mounting the bolt, and the fixing sleeve is a stepped sleeve upper half part 22. The technical scheme of the invention has the following substantial technical effects and the realization process, namely the basic functions: the embodiment is a matching structure of the first embodiment, and can realize integral leveling and fixing.
Example three: as a further development or in a parallel or alternatively independent solution, the stepped sleeve upper half 22 is distributed over the entire unit module. The technical scheme of the invention has the following substantial technical effects and the realization process, namely the basic functions: can be uniformly distributed or arranged on the base plate at intervals, and is within the protection scope of the patent as long as the fixation can be realized.
Example four: as a further improved scheme or a parallel scheme or an optional independent scheme, the two sides of the bridge expansion joint comprise corresponding parts for placing the integral unit modules, and the beam bodies on the two sides of the bridge expansion joint comprise corresponding parts and leveling lower sleeves 72 which are vertically corresponding to the leveling upper sleeves 71; one inner wall of the leveling upper sleeve 71 and the leveling lower sleeve 72 is smooth, and the other inner wall comprises threads; the corresponding leveling bolt 73 also has a portion with smooth outer wall and a portion with threads; screwing the bolt from the leveling gap 10 can rotate the leveling bolt 73 to adjust the leveling degree of the unit module. The technical scheme of the invention has the following substantial technical effects and the realization process, namely the basic functions: the smooth inner wall is convenient for rotation, and the thread rotation is for height adjustment.
Example five: as a further development or a side-by-side solution or an alternative independent solution, the telescopic leveling system comprises four groups, distributed on the sides of the integrated unit module. The technical scheme of the invention has the following substantial technical effects and the realization process, namely the basic functions: the number of the telescopic leveling systems can be adjusted as long as the adjustment is convenient.
Example six: as a further improvement scheme or a parallel scheme or an optional independent scheme, beam bodies on two sides of the bridge expansion joint comprise corresponding parts and comprise lower stepped sleeve halves 23 corresponding to the upper stepped sleeve halves 22; the bolts 4 are arranged in the upper stepped sleeve half 22 and the lower stepped sleeve half 23 to fix the integrated unit modules. The technical scheme of the invention has the following substantial technical effects and the realization process, namely the basic functions: the fixed knot that this embodiment provided constructs, and convenient correspondence carries out overall fixation. Fixing: the inner side of the stepped sleeve is provided with internal threads matched with the high-strength bolt, the high-strength bolt is connected with the sleeve through threads, and the stepped sleeve vertically penetrates through the upper surface and the lower surface of the telescopic device; the step sleeve comprises two parts, namely an upper half part 22 of the step sleeve and a lower half part 23 of the step sleeve, wherein the upper half part 22 of the step sleeve is embedded in the telescopic device, the lower half part 23 of the step sleeve is embedded in a beam body at a predetermined position, and the two parts are completely matched into the step sleeve when the telescopic device is installed, so that the whole telescopic device is stable and firm through the connection of high-strength bolts;
example seven: as a further improvement or a parallel scheme or an optional independent scheme, the integral anchoring plate 1 is welded at the lower part of the comb plate and is used for supporting the whole comb plate; a plurality of transverse steel bars 6 are arranged in the integral anchoring plate.
Example eight: as a further improvement scheme or a parallel scheme or an optional independent scheme, the comb plate comprises a fixed comb plate and a sliding comb plate, and the comb plate is a symmetrically arranged comb plate or a seam crossing comb plate.
Example nine: as a further improved scheme or a parallel scheme or an optional independent scheme, the method also comprises the step of arranging a vulcanized rubber layer or grouting between the integral unit and the beam body; the vulcanized rubber layer is used for water resistance and shock absorption; the grouting is used for filling the space, and steel fiber concrete is adopted for grouting.
Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.
Generally speaking, by utilizing the integral anchoring plate, the comb plate, the stepped sleeve, the high-strength bolt and the telescopic device leveling system of the bridge telescopic device, a cavity is enclosed by a detachable wood mould or a one-step forming steel film, the cavity is filled with concrete or steel fiber concrete, and the parts are integrally wrapped; form a unit type prefabricated quick-mounting bridge expansion device. The telescopic device has the advantages of standardized installation, simple and quick installation, long service life and the like.
Example eleven: as a further development or in parallel or alternatively independently, a dedicated hands-free wrench system is also included, which comprises a bottom support sleeve 139 capable of being supported on the deck, the bottom support sleeve 139 comprising a hole, an inner ring 138 capable of rotating in the bottom support sleeve 139, a support shaft 137 fixed above the inner ring 138; the upper portion of the supporting shaft 137 comprises a horizontal middle shaft 135 and an upper and lower turning sleeve 136 capable of rotating around the middle shaft 135, the upper and lower turning sleeve 136 is fixedly connected with an upper and lower turning shaft 134, the upper and lower turning shaft 134 is fixedly connected with a thread pushing shaft 133, the thread pushing shaft 133 is fixedly connected with a wrench 131 and can drive the wrench 131 to rotate, and further, the wrench head 132 is driven to rotate to further drive the leveling bolt in the leveling gap 12 to rotate. The technical scheme of the invention has the following substantial technical effects and the realization process, namely the basic functions: the bottom support sleeve 139 is supported on the deck; the up-down flip sleeve 136 can rotate about the middle shaft 135; thereby pushing the wrench head 132 to fit the leveling bolt in the leveling gap 12; at this time, the hand pushes the screw to push the shaft 133 to rotate left and right, so as to perform leveling and tightening; a camera is stuck on the wrench, the camera is in communication connection with a mobile phone, and the leveling gap 12 can be seen on the mobile phone on the bridge floor.
In general, the technical problem is addressed: the construction is complicated, no matter be comb-tooth formula or modulus formula, all need skilled workman of a large amount of installation time and a large amount of skills, adopt technical scheme: directly preparing in a factory, and then modularly transporting to a site; the realization process of the technical scheme is modular installation and leveling; therefore, the technical problem can be solved certainly, and the technical effects are as follows: the adjustment is convenient, and the construction period is greatly shortened.
The method has the outstanding advantages that the method is quick to install, can greatly shorten the construction period, and takes a bridge two kilometers long as an example;
according to the general on-site concrete cast-in-place mode as the comparison of the prior art, the patent and the prior art are compared in detail:
| speed of construction | Difficulty of maintenance | Cost of labor | Whether it is possible to level and final flatness | |
| This patent | The construction speed is improved nearly1 times of | Simple maintenance and replacement | Saving nearly half of labor cost | High leveling speed and good final flatness |
| Prior Art | The construction speed is slow | The difficulty coefficient is larger | The labor cost is high | Slow leveling speed and poor final flatness |
It should be noted that the plurality of schemes provided in this patent include their own basic schemes, which are independent of each other and are not restricted to each other, but they may be combined with each other without conflict, so as to achieve a plurality of effects.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A unit type prefabricated fast-assembling bridge expansion device is characterized in that the expansion device comprises a comb plate, the comb plate and concrete are prefabricated into an integral unit module, leveling upper sleeves (71) corresponding to a telescopic leveling system are arranged on the unit module, and leveling bolts (73) can be placed in the leveling upper sleeves (71); at least one leveling upper sleeve (71) is included at the side of the integrated unit module.
2. The expansion device of claim 1, further comprising more than one fixing sleeve for mounting bolts, wherein the fixing sleeve is an upper half (22) of the stepped sleeve.
3. A unit prefabricated quick-assembled bridge expansion device according to claim 2, wherein the upper half portions (22) of said stepped sleeves are uniformly distributed on the integral unit modules.
4. A unit type prefabricated quick-assembling bridge expansion device as claimed in claim 2, wherein, the bridge expansion joint comprises corresponding parts at both sides thereof for placing integral unit modules, and the beam bodies at both sides thereof comprise corresponding parts on which leveling lower sleeves (72) corresponding to the leveling upper sleeves (71) up and down are arranged; one inner wall of the leveling upper sleeve (71) and one inner wall of the leveling lower sleeve (72) are smooth, and the other inner wall of the leveling upper sleeve and the leveling lower sleeve contains threads; the corresponding leveling bolt (73) also has a part of smooth outer wall and a part of threads; screwing the bolt from the leveling clearance (10) can rotate the leveling bolt (73) so as to adjust the leveling degree of the unit module.
5. The apparatus as claimed in claim 4, wherein the telescopic leveling system comprises four sets of leveling systems, which are distributed at the sides of the integrated unit modules.
6. A unit type prefabricated quick-assembling bridge expansion device as claimed in claim 2, wherein the beam bodies at both sides of said bridge expansion joint include corresponding portions comprising lower stepped sleeve portions (23) corresponding to the upper stepped sleeve portions (22); the bolts (4) are arranged in the upper half part (22) and the lower half part (23) of the stepped sleeve and can fix the integral unit module.
7. A unit-type prefabricated quick-assembling bridge expansion device as claimed in claim 2, wherein the integral anchoring plate (1) is welded to the lower portion of the comb plate for supporting the entire comb plate; a plurality of transverse reinforcing steel bars (6) are arranged in the integral anchoring plate; the comb plate comprises a fixed comb plate and a sliding comb plate, and the comb plate is a symmetrical comb plate or a seam crossing comb plate.
8. A modular prefabricated quick-assembled bridge expansion device according to claim 1, further comprising a dedicated hands-free wrench system, said system comprising a bottom support sleeve (139) capable of being supported on the deck, said bottom support sleeve (139) comprising a hole, an inner ring (138) capable of rotating in said bottom support sleeve (139), said support shaft (137) being fixed above said inner ring (138); the upper portion of the supporting shaft (137) comprises a horizontal middle shaft (135) and an upper and lower overturning sleeve (136) capable of rotating around the middle shaft (135), the upper and lower overturning sleeve (136) is fixedly connected with the upper and lower overturning shaft (134), the upper and lower overturning shaft (134) is fixedly connected with a thread pushing shaft (133), the thread pushing shaft (133) is fixedly connected with a wrench (131) and can drive the wrench (131) to rotate, and further the wrench head (132) is driven to rotate to further drive the leveling bolt in the leveling gap (10) to rotate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222354816.7U CN217997812U (en) | 2022-09-05 | 2022-09-05 | Unit type prefabricated fast-assembling bridge expansion device |
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| CN202222354816.7U CN217997812U (en) | 2022-09-05 | 2022-09-05 | Unit type prefabricated fast-assembling bridge expansion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418939A (en) * | 2022-09-05 | 2022-12-02 | 天津交科新材料有限公司 | Unit type prefabricated fast-assembling bridge expansion device and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418939A (en) * | 2022-09-05 | 2022-12-02 | 天津交科新材料有限公司 | Unit type prefabricated fast-assembling bridge expansion device and construction method |
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