CN117266042A - Bridge rolling walking type pushing deviation correcting device and using method - Google Patents
Bridge rolling walking type pushing deviation correcting device and using method Download PDFInfo
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- CN117266042A CN117266042A CN202311249310.2A CN202311249310A CN117266042A CN 117266042 A CN117266042 A CN 117266042A CN 202311249310 A CN202311249310 A CN 202311249310A CN 117266042 A CN117266042 A CN 117266042A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 238000010276 construction Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
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Classifications
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
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Abstract
The invention provides a bridge rolling walking type pushing deviation correcting device which comprises a bottom plate, wherein a rotation deviation correcting mechanism is arranged on the bottom plate, a supporting plate is arranged on the rotation deviation correcting mechanism, and a rolling pushing mechanism is arranged on the supporting plate. The invention also provides a using method of the bridge rolling walking type pushing deviation correcting device. According to the invention, the rotary deviation correcting mechanism is arranged on the bottom plate, and is connected with the rolling pushing mechanism through the supporting plate, so that the rolling pushing mechanism can remarkably reduce the pushing force, can not generate larger horizontal counter force on the temporary support, and reduces the construction cost and the construction risk; the rotation deviation correcting mechanism can realize large eccentric adjustment and adjustment of rotation eccentricity, and can perform timely all-round eccentric adjustment on the bridge girder section conveyed above the rolling pushing mechanism arranged on the supporting plate, so that a preset position is timely reached.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a bridge rolling walking type pushing deviation correcting device and a using method thereof.
Background
Compared with the prestressed concrete box girder bridge structure, the steel box girder has the advantages of light weight, large span, high assembly degree, high construction speed and the like, the existing bridge increasingly uses the steel box girder structure, and particularly when the bridge spans over complicated traffic condition sections such as rivers, canyons, highways and the like, the pushing construction method is more suitable for the construction of the steel box girder bridge structure. The walking type pushing construction method has the advantages of good synchronism, safe construction process and strong controllability of the pushing process, and belongs to an advanced pushing construction method.
The existing walking type pushing is alternately performed by two steps of pushing and pushing. Firstly placing the steel box girder on a pushing device, pushing the steel box girder forward by a limited distance through a pushing jack, supporting the steel box girder by a jacking jack so as to be separated from the pushing device, retracting the pushing jack and the pushing device to an initial position at the moment, and finally retracting the pushing jack to drop the steel box girder on the pushing device, and reciprocating until the preset position is reached. If deviation occurs in the pushing process, a deviation rectifying device is adopted to rectify the deviation, and the common use method is that deviation rectifying jacks are arranged on two sides or one side of the pushing device to rectify the deviation.
However, when the existing walking type pushing device is used for pushing, a steel box girder is pushed forward by adopting a slideway, so that the friction force between steel plates needs to be overcome, the jacking force is large due to the large tonnage of the steel box girder, and a large horizontal counter force is generated for temporary support, so that the construction cost and the construction risk are obviously increased; in addition, the current use method is only used for fine adjustment, and cannot realize large eccentric adjustment and even adjustment of rotational eccentricity.
Disclosure of Invention
In order to solve the problems, the invention aims to provide the rolling walking type pushing deviation correcting device for the bridge and the using method, and the rolling deviation correcting device is arranged on the bottom plate, and is connected with the rolling pushing mechanism through the supporting plate, so that the pushing force can be remarkably reduced by the rolling pushing mechanism, larger horizontal counter force can not be generated on the temporary support, and the construction cost and the construction risk are reduced; the rotation deviation correcting mechanism can realize large eccentric adjustment and adjustment of rotation eccentricity, and can perform timely all-round eccentric adjustment on the bridge girder section conveyed above the rolling pushing mechanism arranged on the supporting plate, so that a preset position is timely reached.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the utility model provides a bridge roll walking formula top pushing deviation correcting device, includes the bottom plate, install rotation deviation correcting mechanism on the bottom plate, install the backup pad on the rotation deviation correcting mechanism, install the roll pushing mechanism in the backup pad.
Further, the rotation rectifying mechanism comprises a driving gear, a connecting gear, a circumferential rectifying gear and a direct-drive motor, wherein the direct-drive motor is fixedly arranged on the bottom plate and is connected with the driving gear, the circumferential rectifying gear is positioned at the center of the bottom of the supporting plate and is fixedly connected with the supporting plate, the connecting gear and the circumferential rectifying gear are respectively supported by the connecting gear and the circumferential rectifying gear to be rotatably arranged on the bottom plate, and the connecting gear is positioned between the driving gear and the circumferential rectifying gear and is respectively meshed with the driving gear and the circumferential rectifying gear.
Furthermore, a gap of 1-2mm is arranged between the connecting gear and the supporting plate, the upper parts of the connecting gear support and the correcting gear support are small cylinders, the middle part is a cone, the bottom part is a large cylinder, the height of the small cylinder at the upper part is consistent with the thickness of the connecting gear or the annular correcting gear, the small cylinder at the upper part is inserted into the central hole of the connecting gear or the annular correcting gear to realize stable rotation connection, and the large cylinder at the bottom part is welded with the bottom plate.
Further, the diameter of the driving gear is smaller than that of the connecting gear and smaller than that of the annular deviation correcting gear.
Further, the rolling pushing mechanism comprises a horizontal pushing jack, a pushing platform, a roller groove pool and roller units, wherein the horizontal pushing jack is fixedly arranged at one end of the supporting plate through a horizontal pushing support, the roller groove pool is arranged on the supporting plate, a plurality of roller units are arranged in the roller groove pool, the pushing platform is placed on the roller groove pool, and the bottom of the pushing platform is in contact with the roller units; the horizontal pushing jack is connected with one end of the pushing platform.
Further, the gyro wheel unit includes main gyro wheel, main gyro wheel arc support, secondary gyro wheel, connecting rod and secondary gyro wheel arc slide, main gyro wheel arc support is semi-circular rolling groove, and a plurality of secondary gyro wheels and connecting rod are articulated each other to be connected and form closed rotatable chain gyro wheel, and main gyro wheel is placed on the chain gyro wheel, and the chain gyro wheel cup joints on secondary gyro wheel arc slide.
Further, the end part of the secondary roller arc-shaped slideway is arc-shaped.
Further, the device also comprises a horizontal deviation rectifying jack, wherein three groups of horizontal deviation rectifying jacks are respectively arranged on two sides of the supporting plate, and the front end of each horizontal deviation rectifying jack is connected with a pair of rolling rollers which are abutted against the side wall of the pushing platform.
Further, the lifting jack is further comprised, and a group of lifting jacks are respectively arranged on the left side and the right side of the rear of the supporting plate.
In order to achieve the above purpose, the invention also provides a method for using the bridge rolling walking type pushing deviation correcting device, which comprises the following steps:
s1: when the device is used, the bridge steel beam section is placed on the pushing platform, the horizontal pushing jack can stretch to provide power, one end of the horizontal pushing jack is fixed on the horizontal pushing support, and the other end of the horizontal pushing jack is connected to the end part of the pushing platform;
s2: when the horizontal pushing jack is in force, the pushing platform moves and forces the main roller in the roller unit to rotate, and the pushing platform is driven to smoothly guide and advance through the horizontal deviation correcting jack and the roller;
s3: the platform to be pushed is pushed to the tail end of the roller groove pool, and the rotating eccentric position is adjusted through the rotating deviation correcting mechanism;
s4: after the bridge girder is adjusted in place, the steel girder on the pushing platform is pushed up by the jacking jack, the horizontal pushing jack is retracted, the pushing platform is retracted to the initial position, at the moment, the jacking jack falls back, so that the bridge girder section is replaced on the pushing platform, at the moment, one pushing cycle is completed, and the next pushing cycle is continued to repeat the steps.
The beneficial effects are that: according to the invention, the rotary deviation correcting mechanism is arranged on the bottom plate, and is connected with the rolling pushing mechanism through the supporting plate, so that the rolling pushing mechanism can remarkably reduce the pushing force, can not generate larger horizontal counter force on the temporary support, and reduces the construction cost and the construction risk; the rotation deviation correcting mechanism can realize large eccentric adjustment and adjustment of rotation eccentricity, and can perform timely all-round eccentric adjustment on the bridge girder section conveyed above the rolling pushing mechanism arranged on the supporting plate, so that a preset position is timely reached.
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 invention. In the drawings:
FIG. 1 is a schematic side view of a bridge rolling walking type pushing deviation rectifying device according to an embodiment of the invention;
fig. 2 is a schematic perspective view of a bridge rolling walking type pushing deviation rectifying device according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of a rotation deviation rectifying mechanism of the bridge rolling walking type pushing deviation rectifying device according to the embodiment of the invention;
fig. 4 is a schematic side structural view of a roller unit of the bridge rolling walking type pushing deviation rectifying device according to the embodiment of the invention;
fig. 5 is a schematic diagram of a roller unit of a bridge rolling walking type pushing deviation rectifying device according to an embodiment of the invention.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
See fig. 1-5: the utility model provides a bridge roll walking formula top pushing deviation correcting device, includes bottom plate 1, install rotation deviation correcting mechanism 2 on the bottom plate 1, install backup pad 3 on the rotation deviation correcting mechanism 2, install roll pushing mechanism 4 on the backup pad 3.
The rolling pushing mechanism is arranged on the supporting plate, so that the pushing force is obviously reduced, a larger horizontal counter force is not generated on the temporary support, and the construction cost and the construction risk are reduced; in addition, the rotation deviation correcting mechanism of the embodiment can realize large eccentric adjustment and adjustment of rotation eccentricity, and can perform timely omnibearing eccentric adjustment on the bridge steel beam section conveyed above the rolling pushing mechanism arranged on the supporting plate, so that a preset position is timely reached.
In a specific example, the rotation deviation rectifying mechanism 2 includes a driving gear 201, a connecting gear 202, a circumferential deviation rectifying gear 203, and a direct-driving motor 204, where the direct-driving motor 204 is fixedly installed on the base plate 1 and connected to the driving gear 201, the circumferential deviation rectifying gear 203 is located at a bottom center position of the supporting plate 3 and is fixedly connected to the supporting plate 3, the connecting gear 202 and the circumferential deviation rectifying gear 203 are rotatably installed on the base plate 1 through a connecting gear support 205 and a circumferential deviation rectifying gear support 206, and the connecting gear 202 is located between the driving gear 201 and the circumferential deviation rectifying gear 203 and respectively engages the driving gear 201 and the circumferential deviation rectifying gear 203.
The direct drive motor of the embodiment provides power, and the driving gear and the connecting gear drive the ring to rotate towards the deviation correcting gear, so that the upper supporting plate is driven to rotate, and the position of the rolling pushing mechanism is adjusted.
In a specific example, a gap of 1-2mm is provided between the connecting gear 202 and the supporting plate 3, the upper parts of the connecting gear support 205 and the rectifying gear support 206 are small cylinders, the middle part is a cone, the bottom part is a large cylinder, wherein the height of the upper small cylinder is consistent with the thickness of the connecting gear 202 or the annular rectifying gear 203, the upper small cylinder is inserted into the central hole of the connecting gear 202 or the annular rectifying gear 203 to realize stable rotation connection, and the bottom large cylinder is welded with the bottom plate 1.
The clearance of keeping 1-2mm between connecting gear and the backup pad of this embodiment can provide the space of dodging for the backup pad rotates, in addition, the main bearing structure of this embodiment: the upper portion that the gear supported of rectifying is little cylinder, and the centre is the cone, and the bottom is the structural style of big cylinder, and bearing structure is stable, can provide stable support for the backup pad, and in addition, the gear that rectifies of this embodiment supports and rectifies the gear and all is located the bottom central point of backup pad put, and the backup pad rotates when adjusting, rotates and can be more stable.
In a specific example, the diameter of the driving gear 201 < the diameter of the connecting gear 202 < the diameter of the ring deviation correcting gear 203.
The diameter of the annular deviation correcting gear is larger than that of the connecting gear and the driving gear, so that rotation speed reduction can be provided, the support plate is prevented from rotating too fast, and the stability of timely omnibearing eccentric adjustment of the bridge steel girder section conveyed above the rolling pushing mechanism arranged on the support plate is improved.
In a specific example, the rolling pushing mechanism 4 includes a horizontal pushing jack 401, a pushing platform 402, a roller groove pool 403 and a roller unit 404, where the horizontal pushing jack 401 is fixedly installed at one end of the support plate 3 through a horizontal pushing support, the roller groove pool 403 is installed on the support plate 3, a plurality of roller units 404 are disposed inside the roller groove pool 403, the pushing platform 402 is placed on the roller groove pool 403, and the bottom of the pushing platform contacts with the roller unit 404; the horizontal pushing jack 401 is connected with one end of the pushing platform 402.
According to the embodiment, the pushing platform can be driven to reciprocate back and forth along the length direction of the roller groove pool through the horizontal pushing jack, and as the roller groove pool is internally provided with a plurality of roller units, the bottom of the pushing platform is contacted with the roller units; because the tonnage of the pushing construction steel bridge section is large, the traditional pushing method can generate large friction force, so that the horizontal pushing jack generates large horizontal counter force, and the pushing friction force is obviously reduced by the rolling mode used in the embodiment.
In a specific example, the roller unit includes a main roller 4041, a main roller arc support 4042, a sub roller 4043, a connecting rod 4044, and a sub roller arc slide 4045, the main roller arc support 4042 is a semicircular rolling groove, a plurality of sub rollers 4043 and the connecting rod 4044 are hinged to each other to form a closed rotatable chain roller, the main roller 4041 is placed on the chain roller, and the chain roller is sleeved on the sub roller arc slide 4045.
It should be noted that, because the tonnage of the steel bridge section is large, if the bearing is used, the bridge section pressure is difficult to bear, therefore, the main roller arc support is specially designed, the main roller arc support is used for placing the secondary roller arc slideway and the chain roller consisting of the connecting rod and the secondary roller, so that the main roller can roll smoothly, the structural strength is high, and the rotation is more stable and smooth.
In a specific example, the end of the secondary roller arc-shaped slideway 4045 is arc-shaped.
The end part of the secondary roller arc-shaped slideway of the embodiment is arc-shaped, so that the chain roller can conveniently slide on the secondary roller arc-shaped slideway in a closing way.
In the concrete implementation, a plurality of roller units are arranged in parallel in the roller groove pool to form a pushing rolling slideway; the pushing platform is arranged on the main roller in parallel to the direction of the rolling groove pool.
In a specific example, the device further comprises a horizontal deviation rectifying jack 405, three groups of horizontal deviation rectifying jacks 405 are respectively installed on two sides of the supporting plate 3, and the front end of each horizontal deviation rectifying jack 405 is connected with a pair of rolling rollers which are abutted against the side wall of the pushing platform 402.
In the embodiment, the pushing platform is horizontally guided and rectified by the three groups of horizontal rectifying jacks matched with the rolling rollers, so that the pushing platform is prevented from being separated from a horizontal moving track.
In a specific example, a set of lifting jacks 406 are respectively installed on the left side and the right side behind the supporting plate 3.
When the pushing platform is pushed to the tail end of the roller groove pool, the steel beam on the pushing platform is jacked by the jacking jack to fall into a preset position.
Example 2
In order to achieve the above purpose, the present embodiment further provides a method for using the bridge rolling walking type pushing deviation rectifying device, including the following steps:
s1: when the device is used, the bridge steel beam section is placed on the pushing platform 402, the horizontal pushing jack 401 can stretch to provide power, one end of the horizontal pushing jack 401 is fixed on the horizontal pushing support, and the other end of the horizontal pushing jack is connected to the end part of the pushing platform 402;
s2: when the horizontal pushing jack 401 is powered, the pushing platform 402 moves and forces the main roller 4041 in the roller unit 404 to rotate, and the pushing platform 402 is driven by the horizontal deviation correcting jack 405 and the rollers to smoothly guide forward;
s3: the platform 402 to be pushed is pushed to the tail end of the roller groove pool 403, and the rotating eccentric position is adjusted through the rotating deviation correcting mechanism 2;
s4: after the bridge girder section is adjusted in place, the steel girder on the pushing platform 402 is pushed up by the jacking jack 406, the horizontal pushing jack 401 is retracted, the pushing platform 402 is retracted to the initial position, at the moment, the jacking jack 406 falls back, so that the bridge girder section is replaced on the pushing platform 402, at the moment, the next pushing cycle is completed, and the next pushing cycle is continued to repeat the steps.
The usage method of the bridge rolling walking type pushing deviation correcting device in this embodiment is the same as that of the bridge rolling walking type pushing deviation correcting device in the prior art, and is not described here again.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a bridge roll walking formula top pushing deviation correcting device which characterized in that, includes bottom plate (1), install rotation deviation correcting mechanism (2) on bottom plate (1), install backup pad (3) on rotation deviation correcting mechanism (2), install roll pushing mechanism (4) on backup pad (3).
2. The bridge rolling walking type pushing deviation rectifying device according to claim 1, characterized in that the rotation deviation rectifying mechanism (2) comprises a driving gear (201), a connecting gear (202), a circumferential deviation rectifying gear (203) and a direct-drive motor (204), the direct-drive motor (204) is fixedly installed on the bottom plate (1) and is connected with the driving gear (201), the circumferential deviation rectifying gear (203) is located at the bottom center position of the supporting plate (3) and is fixedly connected with the supporting plate (3), the connecting gear (202) and the circumferential deviation rectifying gear (203) are respectively installed on the bottom plate (1) in a rotating mode through a connecting gear support (205) and a circumferential deviation rectifying gear support (206), and the connecting gear (202) is located between the driving gear (201) and the circumferential deviation rectifying gear (203) and is respectively meshed with the driving gear (201) and the circumferential deviation rectifying gear (203).
3. The bridge rolling walking type pushing deviation rectifying device according to claim 2, characterized in that a gap of 1-2mm is arranged between the connecting gear (202) and the supporting plate (3), the upper parts of the connecting gear support (205) and the deviation rectifying gear support (206) are small cylinders, the middle is a cone, the bottom is a large cylinder, the height of the small cylinder at the upper part is consistent with the thickness of the connecting gear (202) or the circumferential deviation rectifying gear (203), the small cylinder at the upper part is inserted into a central hole of the connecting gear (202) or the circumferential deviation rectifying gear (203) to realize stable rotation connection, and the large cylinder at the bottom is welded with the bottom plate (1).
4. The bridge rolling walking type pushing deviation rectifying device according to claim 2, characterized in that the diameter of the driving gear (201) is smaller than the diameter of the connecting gear (202) is smaller than the diameter of the annular deviation rectifying gear (203).
5. The bridge rolling walking type pushing deviation correcting device according to claim 1, wherein the rolling pushing mechanism (4) comprises a horizontal pushing jack (401), a pushing platform (402), a roller groove pool (403) and a roller unit (404), the horizontal pushing jack (401) is fixedly arranged at one end of the supporting plate (3) through horizontal pushing support, the roller groove pool (403) is arranged on the supporting plate (3), a plurality of roller units (404) are arranged in the roller groove pool (403), the pushing platform (402) is arranged on the roller groove pool (403), and the bottom of the pushing platform is contacted with the roller units (404); the horizontal pushing jack (401) is connected with one end of the pushing platform (402).
6. The bridge rolling walking type pushing deviation rectifying device according to claim 5, wherein the roller unit comprises a main roller (4041), a main roller arc support (4042), a secondary roller (4043), a connecting rod (4044) and a secondary roller arc slideway (4045), the main roller arc support (4042) is a semicircular rolling groove, a plurality of secondary rollers (4043) and the connecting rod (4044) are hinged to form a closed rotatable chain roller, the main roller (4041) is placed on the chain roller, and the chain roller is sleeved on the secondary roller arc slideway (4045).
7. The bridge rolling walking type pushing deviation rectifying device according to claim 6, characterized in that the end part of the secondary roller arc-shaped slideway (4045) is arc-shaped.
8. The bridge rolling walking type pushing deviation correcting device according to claim 5, further comprising horizontal deviation correcting jacks (405), wherein three groups of horizontal deviation correcting jacks (405) are respectively arranged on two sides of the supporting plate (3), and the front ends of the horizontal deviation correcting jacks (405) are connected with a pair of rolling idler wheels which are abutted against the side walls of the pushing platform (402).
9. The bridge rolling walking type pushing deviation rectifying device according to claim 5, further comprising lifting jacks (406), wherein a group of lifting jacks (406) are respectively arranged on the left side and the right side of the rear of the supporting plate (3).
10. A method of using a bridge rolling walking type pushing deviation rectifying device according to any one of claims 1-9, characterized by the steps of:
s1: when the device is used, the bridge steel beam section is placed on the pushing platform (402), the horizontal pushing jack (401) can stretch to provide power, one end of the horizontal pushing jack (401) is fixed on the horizontal pushing support, and the other end of the horizontal pushing jack is connected to the end part of the pushing platform (402);
s2: when the horizontal pushing jack (401) is powered, the pushing platform (402) moves and forces the main roller (4041) in the roller unit (404) to rotate, and the pushing platform (402) is driven to smoothly guide forward by the horizontal deviation correcting jack (405) and the roller;
s3: pushing the platform (402) to be pushed to the tail end of the roller groove pool (403), and adjusting the rotating eccentric position through the rotating deviation correcting mechanism (2);
s4: after the bridge girder is adjusted in place, the steel girder on the pushing platform (402) is pushed up by the lifting jack (406), the horizontal pushing jack (401) is retracted, the pushing platform (402) is retracted to the initial position, the lifting jack (406) falls back at the moment, so that the bridge girder section is replaced on the pushing platform (402), at the moment, the next pushing cycle is completed, and the next pushing cycle is continued to repeat the steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311249310.2A CN117266042A (en) | 2023-09-25 | 2023-09-25 | Bridge rolling walking type pushing deviation correcting device and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311249310.2A CN117266042A (en) | 2023-09-25 | 2023-09-25 | Bridge rolling walking type pushing deviation correcting device and using method |
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| Publication Number | Publication Date |
|---|---|
| CN117266042A true CN117266042A (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311249310.2A Pending CN117266042A (en) | 2023-09-25 | 2023-09-25 | Bridge rolling walking type pushing deviation correcting device and using method |
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| CN (1) | CN117266042A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550532A (en) * | 2024-01-04 | 2024-02-13 | 河南丽卡数控设备有限公司 | Wheel box control deviation correcting device |
| CN117845784A (en) * | 2024-01-09 | 2024-04-09 | 达濠市政建设有限公司 | Elastic limiting device for bridge deviation correction |
-
2023
- 2023-09-25 CN CN202311249310.2A patent/CN117266042A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550532A (en) * | 2024-01-04 | 2024-02-13 | 河南丽卡数控设备有限公司 | Wheel box control deviation correcting device |
| CN117550532B (en) * | 2024-01-04 | 2024-03-12 | 河南丽卡数控设备有限公司 | Wheel box control deviation correcting device |
| CN117845784A (en) * | 2024-01-09 | 2024-04-09 | 达濠市政建设有限公司 | Elastic limiting device for bridge deviation correction |
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