CN112853958B - Municipal bridge expansion joint covering device convenient to installation - Google Patents
Municipal bridge expansion joint covering device convenient to installation Download PDFInfo
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- CN112853958B CN112853958B CN202110213488.6A CN202110213488A CN112853958B CN 112853958 B CN112853958 B CN 112853958B CN 202110213488 A CN202110213488 A CN 202110213488A CN 112853958 B CN112853958 B CN 112853958B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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Abstract
The invention discloses a municipal bridge expansion joint covering device convenient to install, which comprises two bridge structural bodies, wherein a covering rubber body is arranged between the two bridge structural bodies, the bottom end of the covering rubber body is provided with an installation groove, two main supporting columns are arranged inside the installation groove, auxiliary supporting columns are arranged on the outer side walls of the main supporting columns, and the bottom ends of the main supporting columns are provided with fixed supporting components. According to the invention, a reserved part is not required to be arranged in the bridge structure body, the production cost of the bridge structure body is reduced, the early-stage workload is reduced, the bridge structure body is not required to be cut, the drill bit is directly utilized to drill and fix the bridge structure body, the installation effect of the fixed support components is ensured, different types of covering rubber bodies can be supported, the installation of all the fixed support components can be realized by using one driving motor when the covering rubber bodies are installed, and the service life of the driving motor can be effectively prolonged.
Description
Technical Field
The invention relates to the technical field of bridges, in particular to a municipal bridge expansion joint covering device convenient to install.
Background
A bridge (bridge) refers to a building constructed for a road to cross natural or artificial obstacles, and is erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass through. Bridges are generally composed of an upper structure, a lower structure and an attachment structure. The upper structure mainly refers to a bridge span structure and a support system; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like. Expansion joints are often provided in the road surface of the bridge span structure at the upper part of the bridge in order to provide allowance for expansion and contraction. For driving safety and maintaining the service performance of bridge pavements, it is often necessary to fill or cover such expansion joints with elastic objects. It is known to cover or pad with a material such as an elastomeric rubber.
And need carry out retreatment such as surface cutting to the base member on road surface when current bridge expansion joint cover structure installation to installation elastic material, perhaps set up the built-in fitting in bridge structures, install elastic material through the built-in fitting, cause easily to damage and then damage the road surface base member to these processing positions production in the driving process, the installation of inconvenient expansion joint cover device, produce the error to the easy production of road surface machine body cutting position moreover, lead to expansion joint cover device installation effect not enough.
Disclosure of Invention
The invention aims to provide a municipal bridge expansion joint covering device convenient to install, and aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a municipal administration bridge expansion joint covering device convenient to installation, includes two bridge structures, two be provided with the rubber cover body between the bridge structures, the bottom of the rubber cover body is provided with the mounting groove, the inside of mounting groove is provided with two main tributary daggers, be provided with auxiliary stay post on the lateral wall of main tributary dagger, the bottom of main tributary dagger is provided with the fixed stay subassembly.
In a preferred embodiment, the fixed supporting assembly comprises supporting sleeves fixedly arranged at the bottom end of a main supporting column, a rotary cylinder is rotatably arranged between the two supporting sleeves, an installation cavity is arranged in the middle of the inner part of the rotary cylinder, supporting arms are slidably arranged at both ends of the inner part of the installation cavity, a limit slider is fixedly arranged on the outer side wall of one end, close to each other, of the two supporting arms, the limit slider is slidably arranged in a limit chute, one end of the supporting arm passes through the rotary cylinder and is arranged at the outer end of the rotary cylinder, a drill bit is fixedly arranged at one side, located at the outer end of the rotary cylinder, of the supporting arm, the outer side wall of the rotary cylinder is fixedly arranged between the two supporting sleeves, two first driven gears are fixedly arranged between the upper ends of the two first driven gears, a first driving gear is fixedly arranged on a rotating shaft, the upper end of the first driving gear is rotatably arranged on the rotating shaft, a second driving gear is fixedly arranged on the supporting plate, one side of the rotating shaft is engaged with a second driven gear, a connecting shaft is fixedly arranged at the middle position of the upper end of the second driven gear, one end, far away from the second driven gear penetrates through the side wall of the supporting plate, and is fixedly connected with a rotating shaft, a rotating gear, a rotating rack is arranged in the supporting plate, two movable plugs are arranged at both ends of the inner side wall of the supporting cylinder, a rack of the rotating shaft, a rack is arranged at both ends of the supporting cylinder, a rack is respectively arranged in the supporting shaft, a movable channel, a hydraulic oil passage is arranged in the supporting sleeve, a hydraulic oil passage is arranged at both ends of the two rack is arranged in the supporting sleeve, and a hydraulic oil passage, a hydraulic oil passage is arranged in the inner side wall of the supporting cylinder, and a hydraulic oil passage, a hydraulic oil passage is arranged in the two rack passage, and a hydraulic oil passage is arranged in the main supporting sleeve, the utility model discloses a support sleeve's annular plug, including support sleeve, connecting rod, support sleeve, ball, bearing, the even a plurality of connecting rod that is provided with in one side interval of annular plug, the one end that the annular plug was kept away from to the connecting rod passes support sleeve's lateral wall to set up in support sleeve's outer end, one side that the connecting rod is located the support sleeve outer end is provided with the ball, be provided with the ring channel on the lateral wall of support arm, the ball rolls and sets up in the ring channel.
In a preferred embodiment, a guide hole is arranged in the mounting groove, the guide hole is matched with the main supporting columns, and a reinforcing rod is fixedly arranged between the two main supporting columns.
In a preferred embodiment, an annular limiting groove is formed in the inner side wall of the supporting sleeve, a limiting lug is arranged on the outer side wall of the rotating cylinder, and a roller is arranged on the side wall of the limiting lug and is arranged in the annular limiting groove in a rolling manner.
In a preferred embodiment, the first driven gears are sleeved on the rotary drum, two first driven gears are symmetrically arranged on two sides of the first driving gear, and the first driving gear is in meshed connection with the first driven gears.
In a preferred embodiment, the number of external teeth of the second driving gear is less than the number of external teeth of the second driven gear.
In a preferred embodiment, a sealing bearing is arranged at the joint of the connecting shaft and the side wall of the support plate, a T-shaped sliding block is fixedly arranged on one side of the rack away from the rotating gear, a T-shaped sliding groove is arranged on the inner side wall of the cavity in the support plate, and the T-shaped sliding block is arranged in the T-shaped sliding groove in a sliding manner.
In a preferred embodiment, one side of the cavity, which is located at the movable plug, is filled with hydraulic oil, one side of the annular plug, which is away from the hydraulic oil, is fixedly provided with a compression spring, and one end of the compression spring is fixedly arranged on the inner side wall of the annular cavity.
In a preferred embodiment, the annular plug inside the supporting sleeve is connected with the annular cavity in a sliding and sealing manner, the connecting rods on one side of the annular plug are arranged on the side wall of the supporting sleeve in a sliding and sealing manner, and four connecting rods on one side of each annular plug are uniformly arranged at intervals.
In a preferred embodiment, the bottom intermediate position of backup pad is provided with the spread groove, spread groove and driving motor's output shaft phase-match, the top of rotation axis is rotated and is set up in the spread groove, driving motor's output shaft passes through the key-type connection with the rotation axis, the articulated apron that is provided with in upper end one side of spread groove.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the fixed support assembly is arranged, the main support column and the auxiliary support column are abutted to the bottom end of the covering rubber body during installation, the driving motor matched with the fixed support assembly is placed on the support plate, the driving motor is utilized to drive the rotating shaft to rotate, the rotating shaft can drive the first driving gear and the second driving gear to rotate when rotating, the rotating cylinder can be driven to rotate by the first driving gear to drive the support arm and the drill bit to rotate, the hydraulic oil in the support plate can enter the support sleeve at a constant speed when rotating the second driving gear, the hydraulic oil extrudes the annular plug, the annular plug can drive the connecting rod to move in the horizontal direction, the connecting rod can drive the support arm to move in the horizontal direction when moving, so that the support arm and the drill bit can move while rotating, the drill bit can rapidly drill into the bridge structural body, and the installation of the fixed support assembly is realized;
2. the driving motor is connected with the rotating shaft through a key, the mounting of all the fixed supporting components can be realized by using one driving motor when the covering rubber body is mounted, the driving motor is dismounted and stored after the mounting is finished, the service life of the driving motor can be effectively prolonged, the drill bit and the supporting arm can extend out of the bridge structural body by using the reverse rotation of the driving motor during the dismounting, the structure is simple, the operation is convenient, and the fixed supporting components can be repeatedly used.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view showing the internal structure of the spin basket according to the present invention;
FIG. 4 is a schematic view of a second driving gear and a second driven gear of the present invention;
FIG. 5 is a schematic view of the internal structure of the support plate of the present invention;
FIG. 6 is a schematic view of the connection structure of the rotating gear and the rack according to the present invention;
FIG. 7 is a schematic cross-sectional view of a support sleeve of the present invention;
in the figure: 1, a bridge structure body; 2 covering the rubber body; 3, mounting a groove; 4 main supporting columns; 5 auxiliary supporting columns; 6 supporting the sleeve; 7 rotating the drum; 8, mounting a cavity; 9 a support arm; 10, limiting a sliding block; 11, a limiting sliding chute; 12 a first driven gear; 13 a first drive gear; 14 a rotating shaft; 15 a support plate; 16 a second drive gear; 17 a second driven gear; 18 connecting the shafts; 19 a rotating gear; 20 a cavity; 21 rack bars; 22 a movable stopper; 23 hydraulic oil channels; a 24 annular cavity; 25 an annular plug; 26 connecting rods; 27 an annular groove; 28 a pilot hole; 29 reinforcing rods; a 30T-shaped slider; 31 a compression spring; 32 a cover plate; 33 drill bit.
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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-7, the invention provides a municipal bridge expansion joint covering device convenient to install, which comprises two bridge structures 1, a covering rubber body 2 is arranged between the two bridge structures 1, an installation groove 3 is arranged at the bottom end of the covering rubber body 2, two main supporting columns 4 are arranged inside the installation groove 3, auxiliary supporting columns 5 are arranged on the outer side walls of the main supporting columns 4, and fixed supporting components are arranged at the bottom ends of the main supporting columns 4.
In a preferred embodiment, the fixed support assembly includes support sleeves 6 fixedly disposed at the bottom end of the main support column 4, a rotary cylinder 7 is rotatably disposed in the middle of the two support sleeves 6, an installation cavity 8 is disposed at the middle position inside the rotary cylinder 7, support arms 9 are slidably disposed at both ends inside the installation cavity 8, a limit slider 10 is fixedly disposed on the outer side wall of one end of each of the two support arms 9 close to each other, the limit slider 10 is slidably disposed in a limit sliding groove 11, one end of each of the support arms 9 passes through the rotary cylinder 7 and is disposed at the outer end of the rotary cylinder 7, a drill 33 is fixedly disposed at one side of the outer end of the rotary cylinder 7 of the support arm 9, two first driven gears 12 are fixedly disposed between the two support sleeves 6 on the outer side wall of the rotary cylinder 7, a first driving gear 13 is disposed between the upper ends of the two first driven gears 12, the upper end of the first driven gear 13 is fixedly disposed on the rotary shaft 14, the upper end of the rotary shaft 14 is rotatably disposed on the support plate 15, a second driving gear 16 is fixedly disposed on one side of the rotary shaft 16, a second driven gear 17 is engaged with a second driven gear 17, two connecting shafts 19 are disposed at the middle position of the fixed gear 17, two ends of the rotary shaft 19, and a connecting shaft 19 is disposed on the support plate 15, and a connecting shaft 19 is disposed at both ends of the supporting plate 15, a connecting shaft 19 is disposed at both ends of the supporting plate 19, and a connecting shaft 21 is disposed in the supporting plate 15, a connecting shaft 21, the lateral wall that main tributary dagger 4 was passed to hydraulic oil passageway 23 one end communicates with the inside annular chamber 24 of support sleeve 6 lateral wall, the inside of annular chamber 24 is provided with annular stopper 25, one side interval of annular stopper 25 is even is provided with a plurality of connecting rod 26, the lateral wall that support sleeve 6 was passed to the one end that annular stopper 25 was kept away from to connecting rod 26 to set up in the outer end of support sleeve 6, one side that connecting rod 26 is located support sleeve 6 outer end is provided with the ball, be provided with ring channel 27 on the lateral wall of support arm 9, the ball rolls and sets up in ring channel 27.
In a preferred embodiment, the inside of the mounting groove 3 is provided with a guide hole 28, the guide hole 28 is matched with the main supporting columns 4, a reinforcing rod 29 is fixedly arranged between the two main supporting columns 4, the two main supporting columns 4 can be accurately positioned due to the arrangement of the guide hole 28, and the connection between the two main supporting columns 4 is more stable due to the reinforcing rod 29.
In a preferred embodiment, an annular limiting groove is formed in the inner side wall of the supporting sleeve 6, a limiting bump is arranged on the outer side wall of the rotating cylinder 7, a roller is arranged on the side wall of the limiting bump, the roller is arranged in the annular limiting groove in a rolling manner, and the rotating cylinder 7 is more stable in rotation due to the fact that the roller is arranged in the annular limiting groove in the rolling manner.
In a preferred embodiment, the first driven gears 12 are sleeved on the rotary drum 7, two first driven gears 12 are symmetrically arranged on two sides of the first driving gear 13, and the first driving gear 13 is in meshed connection with the first driven gears 12.
In a preferred embodiment, the number of the teeth on the outer side of the second driving gear 16 is less than the number of the teeth on the outer side of the second driven gear 17, and the rotating speed of the second driven gear 17 can be adjusted according to the number of the teeth on the outer side of the second driving gear 16, so that the speed of the hydraulic oil entering the annular cavity 24 is controlled, and the moving speed of the supporting arm 9 in the horizontal direction is controlled.
In a preferred embodiment, a sealing bearing is arranged at the connection position of the connecting shaft 18 and the side wall of the supporting plate 15, a T-shaped sliding block 30 is fixedly arranged on one side of the rack 21, which is far away from the rotating gear 19, a T-shaped sliding groove is arranged on the inner side wall of the cavity 20 in the supporting plate 15, the T-shaped sliding block 30 is arranged in the T-shaped sliding groove in a sliding manner, and the arrangement of the T-shaped sliding block 30 and the T-shaped sliding groove can enable the rack 21 to move more stably, so that the rack 21 drives the movable plug 22 to move stably.
In a preferred embodiment, the cavity 20 is filled with hydraulic oil at a side of the movable plug 22, a compression spring 31 is fixedly arranged at a side of the annular plug 25 away from the hydraulic oil, one end of the compression spring 31 is fixedly arranged on an inner side wall of the annular cavity 24, and the compression spring 31 can reset the annular plug 25.
In a preferred embodiment, the annular plug 25 inside the supporting sleeve 6 is connected with the annular cavity 24 in a sliding and sealing manner, the connecting rods 26 on one side of the annular plug 25 are arranged with the side wall of the supporting sleeve 6 in a sliding and sealing manner, and the number of the connecting rods 26 on one side of each annular plug 25 is four at regular intervals, so that the connecting rods 26 drive the supporting arm 9 to stably move.
In a preferred embodiment, the bottom intermediate position of backup pad 15 is provided with the spread groove, spread groove and driving motor's output shaft phase-match, the top of rotation axis 14 is rotated and is set up in the spread groove, driving motor's output shaft passes through the key-type connection with the rotation axis, the articulated apron 32 that is provided with in upper end one side of spread groove makes things convenient for driving motor and rotation axis 14's dismantlement, can utilize a driving motor to install all fixed stay subassemblies, improves driving motor's life.
The working principle of the invention is as follows: when in use, the covering rubber body 2 is paved between two bridge structure bodies 1, the main support column 4 is inserted into the guide hole 28 at the bottom end of the covering rubber body 1, the auxiliary support column 5 supports the covering high rubber body 2, when the fixed support component is fixedly installed, the cover plate 32 at the top end of the support plate 15 is opened, the matched driving motor is placed on the support plate 15, the output shaft of the driving motor is connected with the rotating shaft 14 in a key mode, then the driving motor is opened, the driving motor drives the rotating shaft 14 to rotate in a forward direction, the rotating shaft 14 can drive the first driving gear 13 and the second driving gear 16 to rotate when rotating, the first driving gear 13 can drive the two first driven gears 12 to rotate when rotating, the first driven gear 12 can drive the rotating cylinder 7 to rotate, the rotating cylinder 7 can drive the support arm 9 and the drill bit 33 to rotate when rotating, the second driving gear 16 can drive the second driven gear 17 to rotate, the rotating gear 19 can drive the rotating gear 19 to rotate through the connecting shaft 18 when the rotating gear 19 rotates, the rack 21 can drive the movable plug 22 to move in the cavity 20 when the rack 21 moves, the movable plug 24, the cavity 24 can drive the hydraulic oil to move in the annular cavity 24 to increase the pressure inside the hydraulic oil in the annular cavity 24, and the hydraulic oil plug 24 when the hydraulic oil plug 24 moves in the annular cavity, the annular cavity 24, the annular cavity plug 24, the hydraulic oil plug 24, and the hydraulic oil plug can increase the hydraulic oil plug when the hydraulic oil plug in the annular cavity plug when the annular cavity plug 23, the connecting rod 26 drives the supporting arm 9 to move in the horizontal direction, so that the limiting sliding block 10 slides in the limiting sliding groove 11, when the connecting rod 26 drives the supporting arm 9 to move, balls on the connecting rod 26 can roll in the annular groove 27, the supporting arm 9 can more stably rotate along with the rotary cylinder 7, the supporting arm 9 and the drill bit 33 can move while rotating, the drill bit 33 and the supporting arm 9 can be fixed in the bridge structure body 1 in a drilling mode, fixing of the fixing supporting component is achieved, the covering rubber body 2 is supported by the fixing supporting component, after installation is completed, the driving motor is separated from the rotary shaft 14, the cover plate 32 is covered, impurities are prevented from falling into a connecting groove in the supporting plate 15, and the driving motor is used for installing the next fixing supporting component;
during the dismantlement, be connected back antiport with driving motor and rotation axis 14 for first driving gear 12 and second driving gear 16 antiport, thereby make the slewing gear 19 antiport, make rack 21 drive activity stopper 22 antiport, annular stopper 25 in annular chamber 24 is in the cavity with hydraulic oil propelling movement under compression spring 31's effect, make support arm 9 and drill bit 33 rotatory side to the direction removal of rotary drum 7, make drill bit 33 and support arm 9 and bridge structure 1 separation, realize fixed supporting component's dismantlement.
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.
Claims (7)
1. The utility model provides a municipal administration bridge expansion joint covering device convenient to installation, includes two bridge structures (1), two be provided with between bridge structures (1) and cover rubber body (2), its characterized in that: the bottom end of the covering rubber body (2) is provided with a mounting groove (3), two main supporting columns (4) are arranged inside the mounting groove (3), the outer side walls of the main supporting columns (4) are provided with auxiliary supporting columns (5), and the bottom ends of the main supporting columns (4) are provided with fixed supporting components;
the fixed support assembly comprises support sleeves (6) fixedly arranged at the bottom end of a main support column (4), a rotary cylinder (7) is arranged in the middle of the two support sleeves (6) in a rotating mode, an installation cavity (8) is arranged in the middle of the inner portion of the rotary cylinder (7), support arms (9) are arranged at two ends of the inner portion of the installation cavity (8) in a sliding mode, a limiting sliding block (10) is fixedly arranged on the outer side wall of one end, close to the support arms (9), of the support arms (9), the limiting sliding block (10) is arranged in a limiting sliding groove (11) in a sliding mode, one end of each support arm (9) penetrates through the rotary cylinder (7) and is arranged at the outer end of the rotary cylinder (7), a drill bit (33) is fixedly arranged on one side, located at the outer end of the rotary cylinder (7), two first driven gears (12) are fixedly arranged between the two support sleeves (6), a first driving gear (13) is arranged between the upper ends of the two first driven gears (12), the upper end of the first driving gear (13) is fixedly arranged on one side, the driving gear (14), the upper end of the first driving gear (13) is fixedly arranged on the rotating shaft (14), the upper end of the support plate (14) is arranged on the support plate (15), a second driven gear (16) is arranged on one side of the second driven gear (16), the upper end intermediate position of second driven gear (17) is fixed and is provided with connecting axle (18), the one end that second driven gear (17) was kept away from in connecting axle (18) runs through the lateral wall of backup pad (15) to fixed connection sets up in backup pad (15) inside rotating gear (19), rotating gear (19) set up in backup pad (15) inside cavity (20), both sides all mesh around rotating gear (19) and are provided with rack (21), two the one end of rack (21) is fixed respectively and is set up on movable plug (22), the both ends of cavity (20) all are provided with hydraulic oil passageway (23), the lateral wall that hydraulic oil passageway (23) one end was passed main tributary strut (4) communicates with annular chamber (24) inside support sleeve (6) lateral wall, the inside of annular chamber (24) is provided with annular plug (25), one side interval homogeneous of annular plug (25) is provided with a plurality of connecting rod (26), the one end that annular plug (25) was kept away from in to connecting rod (26) passes the lateral wall of support sleeve (6) to set up in the outer end of support sleeve (6), the connecting rod (26) is located the lateral wall of support sleeve (9), the outer wall (27) of ball support sleeve (9) is provided with the lateral wall, the balls are arranged in the annular groove (27) in a rolling manner;
a sealing bearing is arranged at the connecting position of the connecting shaft (18) and the side wall of the supporting plate (15), a T-shaped sliding block (30) is fixedly arranged on one side of the rack (21) far away from the rotating gear (19), a T-shaped sliding groove is arranged on the inner side wall of the inner cavity (20) of the supporting plate (15), and the T-shaped sliding block (30) is arranged in the T-shaped sliding groove in a sliding manner;
one side that cavity (20) inside is located movable stopper (22) is filled with hydraulic oil, annular stopper (25) keep away from one side of hydraulic oil and fixedly be provided with compression spring (31), the fixed setting on the inside wall of annular chamber (24) of one end of compression spring (31).
2. The municipal bridge expansion joint covering device convenient to install according to claim 1, wherein: the inside of mounting groove (3) is provided with guiding hole (28), guiding hole (28) and main tributary dagger (4) phase-match, two fixed stiffener (29) that are provided with between main tributary dagger (4).
3. The municipal bridge expansion joint covering device convenient to install according to claim 1, wherein: the novel rotary drum is characterized in that an annular limiting groove is formed in the inner side wall of the supporting sleeve (6), a limiting lug is arranged on the outer side wall of the rotary drum (7), a roller is arranged on the side wall of the limiting lug, and the roller is arranged in the annular limiting groove in a rolling mode.
4. The municipal bridge expansion joint covering device convenient to install according to claim 1, wherein: the first driven gears (12) are sleeved on the rotating cylinder (7), the two first driven gears (12) are symmetrically arranged on two sides of the first driving gear (13), and the first driving gear (13) is meshed with the first driven gears (12).
5. The municipal bridge expansion joint covering device convenient to install according to claim 1, wherein: the number of the outer side gear teeth of the second driving gear (16) is less than that of the outer side gear teeth of the second driven gear (17).
6. The municipal bridge expansion joint covering device convenient to install according to claim 1, wherein: the annular plug (25) inside the supporting sleeve (6) is connected with the annular cavity (24) in a sliding and sealing mode, the connecting rods (26) on one side of the annular plug (25) are arranged on the side wall of the supporting sleeve (6) in a sliding and sealing mode, and four connecting rods (26) on one side of the annular plug (25) are evenly arranged at intervals.
7. The municipal bridge expansion joint covering device convenient to install according to claim 1, wherein: the bottom intermediate position of backup pad (15) is provided with the spread groove, spread groove and driving motor's output shaft phase-match, the top of rotation axis (14) is rotated and is set up in the spread groove, driving motor's output shaft passes through the key-type connection with the rotation axis, the articulated apron (32) that is provided with in upper end one side of spread groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110213488.6A CN112853958B (en) | 2021-02-25 | 2021-02-25 | Municipal bridge expansion joint covering device convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110213488.6A CN112853958B (en) | 2021-02-25 | 2021-02-25 | Municipal bridge expansion joint covering device convenient to installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112853958A CN112853958A (en) | 2021-05-28 |
| CN112853958B true CN112853958B (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110213488.6A Active CN112853958B (en) | 2021-02-25 | 2021-02-25 | Municipal bridge expansion joint covering device convenient to installation |
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| CN (1) | CN112853958B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117386030B (en) * | 2023-09-19 | 2024-05-28 | 山东省建筑设计研究院有限公司 | Expansion joint structure for building |
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| CN207567651U (en) * | 2017-11-30 | 2018-07-03 | 朱优 | A kind of municipal administration bridge expanssion joint cladding system |
| CN208440980U (en) * | 2018-01-09 | 2019-01-29 | 范灵俊 | A kind of Longspan Bridge expanded joint structure |
| CN209292880U (en) * | 2018-07-24 | 2019-08-23 | 郑州云启工业设备技术有限公司 | Rack-and-pinion bridge with Telescopic |
| KR102071334B1 (en) * | 2019-01-22 | 2020-01-30 | 주식회사 지엠로드 | Extension joint for replacement of bridges |
| CN210341624U (en) * | 2019-06-11 | 2020-04-17 | 江苏毛勒新材料科技有限公司 | Novel bridge expansion joint structure |
| CN212077612U (en) * | 2020-03-17 | 2020-12-04 | 重庆建筑工程职业学院 | Elastic connecting device for bridge expansion joint |
| CN111411578A (en) * | 2020-03-27 | 2020-07-14 | 赵付安 | Bridge expansion joint anchoring device |
| CN212404814U (en) * | 2020-05-12 | 2021-01-26 | 王月明 | Road expansion joint structure for municipal bridge |
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| CN112853958A (en) | 2021-05-28 |
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