CN111827145A - Bridge reinforcing device with shock insulation function - Google Patents
Bridge reinforcing device with shock insulation function Download PDFInfo
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- CN111827145A CN111827145A CN202010791715.9A CN202010791715A CN111827145A CN 111827145 A CN111827145 A CN 111827145A CN 202010791715 A CN202010791715 A CN 202010791715A CN 111827145 A CN111827145 A CN 111827145A
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- rod
- hydraulic telescopic
- seat
- base
- telescopic rod
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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
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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Abstract
The invention provides a bridge reinforcing device with a shock insulation function, relates to the technical field of bridges, and solves the problems that when parts inside a hydraulic telescopic rod are damaged, supporting and reinforcing failures are easy to cause, further dangerous accidents are easy to occur, and an auxiliary structure cannot be simultaneously locked after the hydraulic telescopic rod is damaged; the synchronous fixation of a plurality of ground nails can not be realized, and the synchronous removal of a plurality of ground nails can not be realized in linkage when the hydraulic telescopic rod contracts. A bridge reinforcing device with shock insulation function comprises a base; the base is inserted with a fixed structure, and the base is fixedly connected with a hydraulic telescopic rod through a bolt. When the hydraulic telescopic rod contracts, the poking rod B moves downwards along with the main body seat, and the poking rod B is simultaneously contacted with the head ends of the two poking rods A at the moment, and the head ends of the poking rods A are contacted with the main body seat, so that the disassembly of the fixing structure can be realized when the hydraulic telescopic rod contracts.
Description
Technical Field
The invention belongs to the technical field of bridges, and particularly relates to a bridge reinforcing device with a shock insulation function.
Background
The bridge is reinforced, namely the bearing capacity and the service performance of a member and even the whole structure are improved by certain measures so as to meet new requirements. Namely, the condition that the bridge cannot be used continuously is processed. .
As in application No.: the invention discloses a highway bridge reinforcing device which comprises a bridge base, wherein a bridge support column is arranged at the top of the bridge base, a bridge plate is arranged at the top of the bridge support column, first support seats positioned at the top of the bridge base are arranged on two sides of the bridge support column, a first groove is formed in the top of each first support seat, a first support column is rotatably mounted in each first groove, a first threaded groove is formed in the top end of each first support column, a second support column is mounted in each first threaded groove in a threaded manner, a first support block is fixedly mounted at the top end of each second support column, a second support seat in contact with the bottom of the bridge plate is fixedly mounted at the top of each first support block, a second support block is fixedly mounted at one side, close to the bridge support column, of each first support block, and a first support rod fixedly mounted at the top of each first support seat is arranged below each second support block. The invention has simple structure and convenient installation, and can quickly reinforce bridges with different heights.
The bridge reinforcing device similar to the above application has the following defects at present:
one is that the existing reinforcing devices are usually realized through hydraulic expansion and contraction, when internal parts of a hydraulic expansion rod are damaged, supporting and reinforcing failures are easily caused, further dangerous accidents are easily caused, and auxiliary locking cannot be realized by an auxiliary structure after the hydraulic expansion rod is damaged; moreover, the fixed knot of current device constructs inefficiency, can not realize the synchronous fixed of a plurality of ground nails, and can not link when hydraulic telescoping rod contracts and realize the synchronous of a plurality of ground nails demolish.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a bridge reinforcing device with a shock insulation function is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a bridge reinforcing device with a shock insulation function, and aims to solve the problems that the existing reinforcing device is usually realized through hydraulic expansion and contraction, when internal parts of a hydraulic expansion link are damaged, supporting and reinforcing failures are easily caused, further dangerous accidents are easily caused, and auxiliary locking cannot be realized by an auxiliary structure after the hydraulic expansion link is damaged; moreover, the fixed knot of current device constructs inefficiency, can not realize the synchronous fixed of a plurality of ground nails, and can not link the problem that realizes the synchronous of a plurality of ground nails and demolish in the shrink of hydraulic telescoping rod.
The invention relates to a bridge reinforcing device with shock insulation function, which is achieved by the following specific technical means:
a bridge reinforcing device with shock insulation function comprises a base; the base is inserted with a fixed structure, the base is fixedly connected with a hydraulic telescopic rod through a bolt, and the head end of the hydraulic telescopic rod is fixedly connected with a jacking structure through a bolt; the base is fixedly connected with a transmission structure through a bolt, the base is also fixedly connected with a telescopic structure, and the base is welded with an auxiliary structure; the telescopic structure comprises a threaded pipe, a threaded rod and a gear B, the threaded pipe is rotatably connected to the base, the threaded pipe is in threaded connection with the threaded rod, and the head end of the threaded rod is connected with the main body seat in a welded mode; the hydraulic telescopic rod is characterized in that a gear B is welded on the threaded pipe and meshed with the helical teeth, the gear B and the helical teeth jointly form a worm and gear structure, and the threaded pipe is in a rotating state when the hydraulic telescopic rod stretches.
Furthermore, the fixing structure comprises a fixing seat and ground nails, the fixing seat is of a reversed-square structure, and the four corner positions of the bottom end face of the fixing seat are welded with one ground nail; four ground nails are all connected with the base in an inserting mode, and the fixing base forms a synchronous fixing type structure of the four ground nails.
Furthermore, the hydraulic telescopic rod comprises a sliding seat and a tooth row, the outer wall of the hydraulic telescopic rod is welded with the sliding seat, and the sliding seat is connected with the tooth row in a sliding manner; the jacking structure comprises a main body seat, a rectangular block, a sliding rod, an elastic piece A and an elastic piece B, wherein the main body seat is of a rectangular block structure, and the bottom end face of the main body seat is fixedly connected with the head end of the hydraulic telescopic rod; two rectangular blocks are symmetrically welded on the main body seat, and two sliding rods are symmetrically welded on each rectangular block; the elastic piece A is connected to the four sliding rods in a sliding mode and is of a wavy structure.
Furthermore, the jacking structure further comprises an elastic part B, the elastic part B is further sleeved on the outer wall of the sliding rod between the rectangular block and the elastic part A, the elastic part B is of a rectangular block structure, and the elastic part B forms a buffer structure of the elastic part A.
Furthermore, the transmission structure comprises a rotating seat, a rotating shaft, a gear A and spiral teeth, wherein the rotating seat is fixedly connected to the base through a bolt, and the rotating seat is rotatably connected with the rotating shaft; the rotating shaft is provided with a gear A, spiral teeth are welded on the rotating shaft, and the gear A is meshed with the tooth rows.
Furthermore, the telescopic transmission ratio of the hydraulic telescopic rod is the same as that of the telescopic structure, and the telescopic structure synchronously and equidistantly stretches when the hydraulic telescopic rod stretches.
Furthermore, the auxiliary structure comprises two rotating connecting seats and a poking rod A, and the two rotating connecting seats are symmetrically welded on the base; and the two rotating connecting seats are rotatably connected with one poking rod A, and the two poking rods A are in a flat state under the extrusion of the fixing seats after the fixing structure is fixed.
Furthermore, the auxiliary structure further comprises a poke rod B, the poke rod B is welded on the bottom end face of the main body seat, and the poke rod B is of a T-shaped structure; when the hydraulic telescopic rod is contracted, the poking rod B moves downwards along with the main body seat, and the poking rod B is simultaneously contacted with the head ends of the two poking rods A at the moment, and the head ends of the poking rods A are contacted with the main body seat.
Compared with the prior art, the invention has the following beneficial effects:
through the setting of fixed knot structure and auxiliary structure, can improve the shortcut of fixed knot structure when fixed on the one hand, on the other hand can realize dismantling of fixed knot structure automatically when hydraulic telescoping rod contracts, specifically as follows: firstly, the four ground nails are connected with the base in an inserting manner, and the fixing seat forms a synchronous fixed structure of the four ground nails, so that synchronous inserting and fixing of the four ground nails and soil can be realized by knocking the fixing seat during fixing; secondly, one poking rod A is rotationally connected to each of the two rotary connecting seats, and the two poking rods A are in a flat state under the extrusion of the fixing seats after the fixing structure is fixed; thirdly, the poking rod B moves downwards along with the main body seat when the hydraulic telescopic rod contracts, and the poking rod B is simultaneously contacted with the head ends of the two poking rods A at the moment, and the head ends of the poking rods A are contacted with the main body seat, so that the disassembly of the fixing structure can be realized when the hydraulic telescopic rod contracts.
The telescopic structure is improved, the synchronous jacking of the hydraulic telescopic rod and the telescopic structure can be realized through improvement, and the telescopic structure can automatically realize the locking of the telescopic distance after the hydraulic telescopic rod is damaged, so that the dangerous accident is prevented, and the telescopic structure is particularly as follows: firstly, a gear A is installed on the rotating shaft, spiral teeth are welded on the rotating shaft, and the gear A is meshed with the tooth rows; the threaded pipe is welded with a gear B, the gear B is meshed with the spiral teeth, the gear B and the spiral teeth jointly form a worm gear structure, when the hydraulic telescopic rod stretches, the threaded pipe is in a rotating state, so that the stretching of the threaded rod is realized, and the position of the jacking structure can be prevented from shifting through the locking of the worm gear structure after the hydraulic telescopic rod is damaged; secondly, because the flexible drive ratio of hydraulic telescoping rod is the same with the flexible drive ratio of extending structure, the extending structure is synchronous equidistance when hydraulic telescoping rod stretches out and draws back.
The tight buffer structure in top has been improved, can realize the double buffering structure synchronization action in the unit area through improving, specifically as follows: firstly, the elastic piece A is connected to the four sliding rods in a sliding mode and is of a wavy structure, and therefore elastic shock absorption can be achieved; and secondly, the outer wall of the sliding rod is positioned between the rectangular block and the elastic piece A, and the elastic piece B is in a rectangular block structure and forms a buffer structure of the elastic piece A.
Drawings
Fig. 1 is a schematic axial view of the present invention.
Fig. 2 is a schematic axial view of the present invention in another direction of fig. 1.
Fig. 3 is an enlarged schematic view of fig. 2 at a.
Fig. 4 is a schematic structural view of the present invention with the telescopic structure removed.
Fig. 5 is an enlarged view of the structure of fig. 4B according to the present invention.
Fig. 6 is an enlarged axial view of the tightening structure according to the present invention.
Fig. 7 is a schematic view of the primary enlarged structure of the fixing structure and the auxiliary structure of the present invention.
Fig. 8 is a schematic view of the present invention in an adjusted axial view as shown in fig. 7.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a base; 2. a fixed structure; 201. a fixed seat; 202. a ground nail; 3. a hydraulic telescopic rod; 301. a sliding seat; 302. a tooth row; 4. a jacking structure; 401. a main body seat; 402. a rectangular block; 403. a slide bar; 404. an elastic member A; 405. an elastic member B; 5. a transmission structure; 501. a rotating seat; 502. a rotating shaft; 503. a gear A; 504. helical teeth; 6. a telescopic structure; 601. a threaded pipe; 602. a threaded rod; 603. a gear B; 7. an auxiliary structure; 701. rotating the connecting seat; 702. a poke rod A; 703. a poke rod B.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in figures 1 to 8:
the invention provides a bridge reinforcing device with a shock insulation function, which comprises a base 1; a fixed structure 2 is inserted on the base 1, a hydraulic telescopic rod 3 is fixedly connected on the base 1 through a bolt, and a jacking structure 4 is fixedly connected at the head end of the hydraulic telescopic rod 3 through a bolt; the base 1 is fixedly connected with a transmission structure 5 through bolts, the base 1 is also fixedly connected with a telescopic structure 6, and the base 1 is welded with an auxiliary structure 7; referring to fig. 2 and 3, the telescopic structure 6 comprises a threaded pipe 601, a threaded rod 602 and a gear B603, wherein the threaded pipe 601 is rotatably connected to the base 1, the threaded pipe 601 is internally threaded with the threaded rod 602, and the head end of the threaded rod 602 is connected with the main body seat 401 in a welding manner; the last welding of screwed pipe 601 has a gear B603, and gear B603 and helical tooth 504 meshing to gear B603 constitutes the worm gear structure jointly with helical tooth 504, and screwed pipe 601 is the rotating-state when hydraulic telescoping rod 3 is flexible, thereby has realized the flexible of threaded rod 602, and also can prevent to push up tight structure 4 position and take place the skew when shutting through the worm gear structure behind the hydraulic telescoping rod 3 damages.
Referring to fig. 2, the fixing structure 2 includes a fixing seat 201 and a ground nail 202, the fixing seat 201 is a rectangular structure, and four corner positions of the bottom end surface of the fixing seat 201 are welded with one ground nail 202; four ground nails 202 all peg graft with base 1 and link to each other, and fixing base 201 has constituteed the synchronous fixed structure of four ground nails 202 to strike fixing base 201 when fixed and can realize four ground nails 202 and soil synchronous grafting fixed.
Referring to fig. 6, the hydraulic telescopic rod 3 includes a sliding seat 301 and a tooth row 302, the sliding seat 301 is welded on the outer wall of the hydraulic telescopic rod 3, and the tooth row 302 is slidably connected in the sliding seat 301; the jacking structure 4 comprises a main body seat 401, a rectangular block 402, a sliding rod 403, an elastic piece A404 and an elastic piece B405, wherein the main body seat 401 is of a rectangular block structure, and the bottom end face of the main body seat 401 is fixedly connected with the head end of the hydraulic telescopic rod 3; two rectangular blocks 402 are symmetrically welded on the main body seat 401, and two sliding rods 403 are symmetrically welded on each rectangular block 402; the elastic member a404 is slidably connected to the four sliding rods 403, and the elastic member a404 is of a wavy structure, so that elastic shock absorption can be realized.
Referring to fig. 6, the tightening structure 4 further includes an elastic member B405, the elastic member B405 is further sleeved on the outer wall of the sliding rod 403 between the rectangular block 402 and the elastic member a404, the elastic member B405 is a rectangular block structure, and the elastic member B405 constitutes a buffer structure of the elastic member a 404.
Referring to fig. 2, the transmission structure 5 includes a rotating base 501, a rotating shaft 502, a gear a503 and spiral teeth 504, the rotating base 501 is fixedly connected to the base 1 by bolts, and the rotating base 501 is rotatably connected to the rotating shaft 502; the rotating shaft 502 is provided with a gear A503, helical teeth 504 are welded on the rotating shaft 502, and the gear A503 is meshed with the tooth row 302.
Referring to fig. 2, the telescopic transmission ratio of the hydraulic telescopic rod 3 is the same as that of the telescopic structure 6, and the telescopic structure 6 synchronously and equidistantly stretches when the hydraulic telescopic rod 3 stretches.
Referring to fig. 7, the auxiliary structure 7 includes two rotary connecting seats 701 and a poke rod a702, and the two rotary connecting seats 701 are symmetrically welded on the base 1; two rotating connecting seats 701 are rotatably connected with a poking rod A702, and after the fixing structure 2 is fixed, the poking rods A702 are in a flat state under the extrusion of the fixing seat 201.
Referring to fig. 8, the auxiliary structure 7 further includes a shifting rod B703, the shifting rod B703 is welded to the bottom end surface of the main body seat 401, and the shifting rod B703 is a T-shaped structure; when the hydraulic telescopic rod 3 contracts, the poke rod B703 moves downwards along with the main body seat 401, and at the moment, the poke rod B703 is simultaneously contacted with the head ends of the two poke rods A702, and the head ends of the poke rods A702 are contacted with the main body seat 401, so that the fixing structure 2 can be detached when the hydraulic telescopic rod 3 contracts.
The specific use mode and function of the embodiment are as follows:
when the hydraulic telescopic rod is used, when the hydraulic telescopic rod 3 is extended, the jacking structure 4 can be pushed to move upwards, and at the moment, firstly, the rotating shaft 502 is provided with the gear A503, the rotating shaft 502 is also welded with the spiral teeth 504, and the gear A503 is meshed with the tooth row 302; a gear B603 is welded on the threaded pipe 601, the gear B603 is meshed with the spiral teeth 504, the gear B603 and the spiral teeth 504 jointly form a worm gear structure, when the hydraulic telescopic rod 3 stretches, the threaded pipe 601 is in a rotating state, so that the stretching of the threaded rod 602 is realized, and after the hydraulic telescopic rod 3 is damaged, the position of the tightening structure 4 can be prevented from being deviated through the locking of the worm gear structure; secondly, as the telescopic transmission ratio of the hydraulic telescopic rod 3 is the same as that of the telescopic structure 6, the telescopic structure 6 synchronously and equidistantly stretches when the hydraulic telescopic rod 3 stretches;
in the use process, firstly, the elastic piece a404 is connected to the four sliding rods 403 in a sliding manner, and the elastic piece a404 is of a wavy structure, so that elastic shock absorption can be realized; secondly, an elastic part B405 is sleeved on the outer wall of the sliding rod 403 between the rectangular block 402 and the elastic part A404, the elastic part B405 is a rectangular block-shaped structure, and the elastic part B405 forms a buffer structure of the elastic part A404; thirdly, as the two rotating connecting seats 701 are rotatably connected with one poking rod A702, and after the fixing structure 2 is fixed, the two poking rods A702 are in a flat state under the extrusion of the fixing seat 201; fourthly, when the hydraulic telescopic rod 3 is contracted, the poke rod B703 moves downwards along with the main body seat 401, and at the moment, the poke rod B703 is simultaneously contacted with the head ends of the two poke rods A702, and the head ends of the poke rods A702 are contacted with the main body seat 401, so that the fixing structure 2 can be detached when the hydraulic telescopic rod 3 is contracted.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a have bridge reinforcing apparatus of shock insulation function concurrently which characterized in that: comprises a base (1); the base (1) is spliced with a fixed structure (2), the base (1) is fixedly connected with a hydraulic telescopic rod (3) through a bolt, and the head end of the hydraulic telescopic rod (3) is fixedly connected with a jacking structure (4) through a bolt; the base (1) is fixedly connected with a transmission structure (5) through bolts, the base (1) is also fixedly connected with a telescopic structure (6), and the base (1) is welded with an auxiliary structure (7); the telescopic structure (6) comprises a threaded pipe (601), a threaded rod (602) and a gear B (603), the threaded pipe (601) is rotatably connected to the base (1), the threaded pipe (601) is in threaded connection with the threaded rod (602), and the head end of the threaded rod (602) is connected with the main body seat (401) in a welding mode; a gear B (603) is welded on the threaded pipe (601), the gear B (603) is meshed with the spiral teeth (504), the gear B (603) and the spiral teeth (504) jointly form a worm and gear structure, and the threaded pipe (601) is in a rotating state when the hydraulic telescopic rod (3) stretches.
2. A bridge reinforcing apparatus with seismic isolation as claimed in claim 1, wherein: the fixing structure (2) comprises a fixing seat (201) and ground nails (202), the fixing seat (201) is of a reversed-square structure, and the ground nails (202) are welded at four corner positions of the bottom end face of the fixing seat (201); four ground nails (202) are all connected with the base (1) in an inserting way, and the fixing seat (201) forms a synchronous fixed structure of the four ground nails (202).
3. A bridge reinforcing apparatus with seismic isolation as claimed in claim 1, wherein: the hydraulic telescopic rod (3) comprises a sliding seat (301) and a tooth row (302), the sliding seat (301) is welded on the outer wall of the hydraulic telescopic rod (3), and the tooth row (302) is connected in the sliding seat (301) in a sliding manner; the jacking structure (4) comprises a main body seat (401), a rectangular block (402), a sliding rod (403), an elastic piece A (404) and an elastic piece B (405), the main body seat (401) is of a rectangular block structure, and the bottom end face of the main body seat (401) is fixedly connected with the head end of the hydraulic telescopic rod (3); two rectangular blocks (402) are symmetrically welded on the main body seat (401), and two sliding rods (403) are symmetrically welded on each rectangular block (402); the elastic piece A (404) is connected to the four sliding rods (403) in a sliding mode, and the elastic piece A (404) is of a wavy structure.
4. A bridge reinforcing apparatus with seismic isolation as claimed in claim 3, wherein: the tightening structure (4) further comprises an elastic piece B (405), the elastic piece B (405) is further sleeved on the outer wall of the sliding rod (403) and located between the rectangular block (402) and the elastic piece A (404), the elastic piece B (405) is of a rectangular block structure, and the elastic piece B (405) forms a buffer structure of the elastic piece A (404).
5. A bridge reinforcing apparatus with seismic isolation as claimed in claim 1, wherein: the transmission structure (5) comprises a rotating seat (501), a rotating shaft (502), a gear A (503) and spiral teeth (504), the rotating seat (501) is fixedly connected to the base (1) through bolts, and the rotating seat (501) is rotatably connected with the rotating shaft (502); a gear A (503) is mounted on the rotating shaft (502), spiral teeth (504) are welded on the rotating shaft (502), and the gear A (503) is meshed with the tooth row (302).
6. A bridge reinforcing apparatus with seismic isolation as claimed in claim 1, wherein: the telescopic transmission ratio of the hydraulic telescopic rod (3) is the same as that of the telescopic structure (6), and the telescopic structure (6) can synchronously stretch at equal intervals when the hydraulic telescopic rod (3) stretches.
7. A bridge reinforcing apparatus with seismic isolation as claimed in claim 1, wherein: the auxiliary structure (7) comprises two rotating connecting seats (701) and a poking rod A (702), the two rotating connecting seats (701) are arranged, and the two rotating connecting seats (701) are symmetrically welded on the base (1); two rotating connecting seats (701) are rotatably connected with a poking rod A (702), and after the fixing structure (2) is fixed, the poking rods A (702) are in a flat state under the extrusion of the fixing seat (201).
8. A bridge reinforcing apparatus with seismic isolation as claimed in claim 1, wherein: the auxiliary structure (7) further comprises a poke rod B (703), the poke rod B (703) is welded on the bottom end face of the main body seat (401), and the poke rod B (703) is of a T-shaped structure; when the hydraulic telescopic rod (3) is contracted, the poking rod B (703) moves downwards along with the main body seat (401), and at the moment, the poking rod B (703) is simultaneously contacted with the head ends of the two poking rods A (702), and the head ends of the poking rods A (702) are contacted with the main body seat (401).
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| CN202010791715.9A CN111827145B (en) | 2020-08-07 | 2020-08-07 | Bridge reinforcing device with shock insulation function |
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| CN202010791715.9A CN111827145B (en) | 2020-08-07 | 2020-08-07 | Bridge reinforcing device with shock insulation function |
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| CN209494201U (en) * | 2019-01-28 | 2019-10-15 | 上海禾麓建筑科技有限公司 | A kind of support base easy to disassemble for building |
| CN209760739U (en) * | 2019-01-30 | 2019-12-10 | 嘉兴科创电力建设有限公司 | Scaffold for building construction |
| CN210341658U (en) * | 2019-05-24 | 2020-04-17 | 龚灿锋 | Support frame for bridge construction |
| CN210134629U (en) * | 2019-06-14 | 2020-03-10 | 江苏苏邑设计集团有限公司 | Building support frame for small high-rise building |
| CN210262746U (en) * | 2019-06-17 | 2020-04-07 | 湖南高速铁路职业技术学院 | Strutting arrangement is used in bridge construction |
| CN210828286U (en) * | 2019-08-15 | 2020-06-23 | 山东中架安全科技有限公司 | Overturn-preventing protection device for lifting scaffold |
| CN210976515U (en) * | 2019-08-22 | 2020-07-10 | 中交一公局第六工程有限公司 | Lifting scaffold for tunnel construction |
| CN210917041U (en) * | 2019-09-16 | 2020-07-03 | 北京中交通华科技有限公司 | Bridge support column with auxiliary supporting function suitable for plateau |
| CN211113178U (en) * | 2019-09-24 | 2020-07-28 | 南通市市政工程设计院有限责任公司 | Overhead bridge with good impact resistance |
| CN211172983U (en) * | 2019-09-26 | 2020-08-04 | 赵传起 | Building safety construction strutting arrangement |
| CN210947692U (en) * | 2019-09-29 | 2020-07-07 | 四川嘉康中惠科技有限公司 | Movable positioning pile structure of suspension bracket |
| CN211173000U (en) * | 2020-06-15 | 2020-08-04 | 烟台云汇智能科技有限公司 | Detachable scaffold for complex terrain |
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| CN111827145B (en) | 2022-01-18 |
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