CN211422085U - Enclose fender of easily adjusting high width - Google Patents
Enclose fender of easily adjusting high width Download PDFInfo
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- CN211422085U CN211422085U CN201922210640.6U CN201922210640U CN211422085U CN 211422085 U CN211422085 U CN 211422085U CN 201922210640 U CN201922210640 U CN 201922210640U CN 211422085 U CN211422085 U CN 211422085U
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Abstract
The utility model relates to an enclose the fender, especially relate to an easily adjust fender that encloses of high width. The technical problem of the utility model is how to provide an adjustable height and width, can be applicable to the fender that encloses of the high width of easily adjusting of different regions. An enclosure with easy adjustment of high width comprises a bottom plate, a C-shaped slide rail, a first enclosure, a transverse plate, a second enclosure and the like; install C type slide rail on the bottom plate, install the first fender that encloses in the C type slide rail, the side rigid coupling that first encloses the fender has the diaphragm that plays supporting role. The utility model discloses an adjustable second of subassembly that rises encloses the height that keeps off and the third encloses the fender, promotes the fourth width that encloses the adjustable whole device of fender right, so can height-adjusting and width to can be applicable to different regions, through the effect of removing cover and second ejector pad, promote the fourth right and enclose the fender can be quick transfer maximum height and maximum width with this device, thereby can save time.
Description
Technical Field
The utility model relates to an enclose the fender, especially relate to an easily adjust fender that encloses of high width.
Background
Enclose the fender and keep apart building job site and external world, make the job site become a relatively sealed space, avoid constructor to be disturbed by external environment, influence the efficiency of construction, and can guarantee the trip safety of the pedestrian of outside and vehicle, there is important effect at the building site, it is fairly simple to enclose fender structure that uses at present, most all are the structure of a board, and the structure is fixed unchangeable, unable height-adjusting and width, be difficult to be applicable to different regional height and width requirement, the practicality is not enough.
We have developed a device that can be adjusted in height and width to suit different areas to solve the problems that exist today.
SUMMERY OF THE UTILITY MODEL
Enclose to keep off unable height-adjusting and width in order to overcome the present use, be difficult to be applicable to different regional height and width requirement, the not enough shortcoming of practicality, the technical problem of the utility model is: the height and the width of the fence can be adjusted, and the fence can be suitable for different areas and is easy to adjust the height and the width.
An enclosure with easily adjustable height and width comprises a bottom plate, wherein a C-shaped sliding rail is mounted on the bottom plate, and a first enclosure is mounted in the C-shaped sliding rail; the transverse plate is fixedly connected to the side face of the first enclosing piece and plays a supporting role, a second enclosing piece is arranged in the first enclosing piece in a sliding mode and is in contact with the transverse plate, a third enclosing piece is arranged on the side face of the second enclosing piece in a sliding mode through a second sliding groove and a square sliding block, the second sliding groove extends along the horizontal direction, a fourth enclosing piece is connected to the side face of the third enclosing piece through a first sliding groove and a sliding column, and the first sliding groove extends along the vertical direction; the support frame is arranged on a fourth surrounding baffle far away from one side of the third surrounding baffle, a ratchet bar is arranged on the support frame in a sliding mode, a first elastic piece is connected between the ratchet bar and the support frame, and the first elastic piece is wound on the support frame; the clamping block is fixedly connected to the third surrounding baffle close to one side of the fourth surrounding baffle and is meshed with the ratchet bar; the lifting assembly is arranged on the first enclosing barrier and used for adjusting the heights of the second enclosing barrier and the third enclosing barrier.
Further, the ascending assembly comprises a guide part, a first push block, a first guide wheel, a first guide rod, a sliding sleeve, a first pull rope and a press block, the first push block is arranged on the first enclosing barrier far away from one side of the second enclosing barrier in a sliding mode through the guide part, the guide part is used for guiding the first push block, the first push block penetrates through the transverse plate, the number of the first guide wheels is at least two, the first push block is arranged on the side face of the first enclosing barrier, the first enclosing barrier far away from one side of the first push block is fixedly connected with the first guide rod, the sliding sleeve is sleeved on the first guide rod in a sliding mode, the first pull rope is connected between the sliding sleeve and the push rod, the first pull rope bypasses all the first guide wheels, and the sliding sleeve is rotatably connected with the press block.
Further, the guide component is a first fixed block, a first guide sleeve and a push rod, the first enclosure far away from one side of the second enclosure is fixedly connected with the first fixed block which plays a limiting role, the first enclosure close to one side of the second enclosure is fixedly connected with the first guide sleeve, the push rod is connected in the first guide sleeve in a sliding penetrating mode, one end of the push rod is in contact with the first fixed block, and the other end of the push rod is fixedly connected with a first push block.
Further, the device comprises a first rack, a gear, a second guide sleeve, a third guide sleeve, a second guide rod, a fixing ring, a second elastic part, a second rack, a second fixing block, a connecting sleeve, a third guide rod, a moving sleeve, a second push block, a second guide wheel and a second pull rope, wherein the pressing block is fixedly connected with the first rack, the first enclosure close to one side of the first guide rod is rotatably provided with the gear, the first enclosure close to one side of the gear is fixedly connected with the second guide sleeve, the third guide sleeve and the second fixing block, the second guide sleeve is positioned between the third guide sleeve and the second fixing block, the second guide sleeve and the third guide sleeve are slidably penetrated with the second guide rod, the fixing ring is sleeved on the second guide rod in a sliding manner, the second elastic part is connected between the fixing ring and the third guide sleeve, and the second elastic part is wound on the second guide rod, the one end rigid coupling of second guide arm has the second rack, second rack and gear engagement, the other end rigid coupling of second guide arm has the adapter sleeve, third guide arm rigid coupling in on the adapter sleeve, the slip cover is equipped with the removal cover on the third guide arm, and the orientation the rigid coupling has the second ejector pad on the first fourth of enclosing fender one side of keeping off, is close to the first of third uide bushing one side encloses to keep off and has bolted the second leading wheel, remove the cover with be connected with the second stay cord between the push rod, second stay cord is around second leading wheel and first leading wheel.
Further, the first elastic member and the second elastic member are both springs.
The utility model has the advantages that: 1. enclose the height that keeps off and keep off with the third through the adjustable second of subassembly that rises, promote the width that the fourth encloses the adjustable whole device of fender right, so, can height-adjusting and width to can be applicable to different regions.
2. Through the effect of removing cover and second ejector pad, promote the fourth fender of enclosing right and can be quick transfer this device to maximum height and maximum width to can save time.
Drawings
Fig. 1 is a schematic view of the front perspective structure of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of the present invention.
Fig. 3 is a schematic perspective view of a first angle of the present invention.
Fig. 4 is a schematic view of the three-dimensional structure of the fourth enclosure of the present invention.
Fig. 5 is a schematic view of a rear side three-dimensional structure of the fourth enclosure of the present invention.
Fig. 6 is a schematic view of the three-dimensional structure of the third and fourth enclosure of the present invention.
Fig. 7 is an enlarged schematic view of part B of the present invention.
Fig. 8 is an enlarged schematic view of part C of the present invention.
Fig. 9 is a schematic view of a fully developed partial three-dimensional structure of the present invention.
The meaning of the reference symbols in the figures: 1. a bottom plate, 2, a C-shaped slide rail, 3, a first enclosure, 4, a cross plate, 5, a second enclosure, 6, a third enclosure, 7, a first chute, 8, a fourth enclosure, 9, a sliding column, 10, a support frame, 11, a ratchet bar, 12, a first elastic member, 13, a fixture block, 14, a second chute, 15, a square slider, 16, a lifting component, 1601, a first fixing block, 1602, a first guide sleeve, 1603, a push rod, 1604, a first push block, 1605, a first guide wheel, 1606, a first guide rod, 1607, a sliding sleeve, 1608, a first pull rope, 1609, a press block, 17, a first rack, 18, a gear, 19, a second guide sleeve, 20, a third guide sleeve, 21, a second guide rod, 22, a fixing ring, 23, a second elastic member, 24, a second rack, 25, a second fixing block, 26, a connecting sleeve, 27, a third guide rod, 28, a moving sleeve, 29, a second guide block, 30, a second guide wheel, 31. a second draw cord.
Detailed Description
The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.
Example 1
An enclosure with easily adjustable height and width is shown in figures 1-9 and comprises a bottom plate 1, a C-shaped slide rail 2, a first enclosure 3, a transverse plate 4, a second enclosure 5, a third enclosure 6, a fourth enclosure 8, a sliding column 9, a support frame 10, a ratchet bar 11, a first elastic part 12, a fixture block 13, a square sliding block 15 and a lifting assembly 16, wherein the C-shaped slide rail 2 is installed at the top of the bottom plate 1 through bolts, the first enclosure 3 is installed in the C-shaped slide rail 2 through bolts, the transverse plate 4 is connected to the upper part of the front side of the first enclosure 3, the second enclosure 5 is arranged in the first enclosure 3 in a sliding mode, the bottom of the second enclosure 5 is in contact with the top of the transverse plate 4, the third enclosure 6 is arranged in the second enclosure 5 in a sliding mode through a second sliding chute 14 and the square sliding block 15, the second sliding chute 14 is arranged horizontally, the front side of the third enclosure 6 is connected with the fourth enclosure 8 through the first sliding chute 7 and the sliding column 9, the first sliding chute 7 is arranged vertically, the fourth encloses and keeps off 8 front side left parts welding and has had support frame 10, and support frame 10 rear side is opened there are two slide openings, and two slide openings internal sliding type are equipped with ratchet 11, are connected with first elastic component 12 between ratchet 11 and the support frame 10, and first elastic component 12 winds on support frame 10, and the third encloses and keeps off 6 front side left lower parts and has had fixture block 13 through bolted connection, and fixture block 13 and the meshing of ratchet 11 are equipped with ascending subassembly 16 on the fender 3 to first enclosing.
The ascending assembly 16 comprises a first fixed block 1601, a first guide sleeve 1602, a push rod 1603, a first push block 1604, a first guide wheel 1605, a first guide rod 1606, a sliding sleeve 1607, a first pull rope 1608 and a press block 1609, first 3 front side lower part welding of enclosing fender have first fixed block 1601, first 3 front side upper portion of enclosing fender installs first uide bushing 1602 through the bolt, slidingtype is equipped with push rod 1603 in first uide bushing 1602, the contact of push rod 1603 bottom and first fixed block 1601, push rod 1603 top is connected with first ejector pad 1604, first ejector pad 1604 runs through diaphragm 4, first 3 front side upper portion of enclosing fender is installed two first leading wheels 1605, first 3 front side left portion of enclosing fender is installed first guide arm 1606, sliding type is equipped with sliding sleeve 1607 on first guide arm 1606, be connected with first stay cord 1608 between sliding sleeve 1607 and the push rod 1603, two first leading wheels 1605 are walked around to first stay cord 1608, sliding sleeve 1607 left side rotary type is connected with briquetting 1609.
People control the ascending assembly 16 to push the second surrounding barrier 5 to move upwards, the third surrounding barrier 6 is driven to move upwards through the second sliding groove 14 and the square sliding block 15, the height of the second surrounding barrier 5 and the height of the third surrounding barrier 6 are adjusted, the third surrounding barrier 6 can also drive the clamping block 13 to move upwards, under the action of the first elastic part 12, the clamping block 13 slides on the ratchet rack 11, after the height of the second surrounding barrier 5 and the height of the third surrounding barrier 6 are adjusted, people stop controlling the ascending assembly 16, the ratchet rack 11 can clamp the clamping block 13, so that the second surrounding barrier 5 and the third surrounding barrier 6 can be prevented from moving downwards, people push the fourth surrounding barrier 8 rightwards, the third surrounding barrier 6 is driven to move rightwards through the first sliding groove 7 and the sliding column 9, the positions of the third surrounding barrier 6 and the fourth surrounding barrier 8 are adjusted, the width of the whole device can be adjusted, after the adjustment is finished, people stop pushing the fourth surrounding barrier 8, in this way, the height and width can be adjusted, and thus can be adapted to different areas.
When the height of the second enclosure 5 and the third enclosure 6 needs to be increased, people push the pressing block 1609 downwards, the pressing block 1609 drives the sliding sleeve 1607 to move downwards, the first pulling rope 1608 drives the pushing rod 1603 to move upwards, so that the first pushing block 1604 is driven to move upwards, the first pushing block 1604 pushes the second enclosure 5 to move upwards, the third enclosure 6 is driven to move upwards through the second sliding groove 14 and the square sliding block 15, the height of the second enclosure 5 and the third enclosure 6 is adjusted, the third enclosure 6 can also drive the clamping block 13 to move upwards, under the action of the first elastic part 12, the clamping block 13 slides on the ratchet rack 11, and after adjustment is completed, people stop pushing the pressing block 1609. When the heights of the second surrounding barrier 5 and the third surrounding barrier 6 need to be adjusted down, people pull the ratchet bar 11 forward to enable the ratchet bar 11 to be not meshed with the clamping block 13, the first elastic piece 12 is compressed, people move the second surrounding barrier 5 downwards again, the second sliding groove 14 and the square sliding block 15 drive the third surrounding barrier 6 to move downwards, so that the heights of the second surrounding barrier 5 and the third surrounding barrier 6 are adjusted, people stop moving the second surrounding barrier 5 after the adjustment is completed, then loosen the ratchet bar 11, and under the action of the first elastic piece 12, the ratchet bar 11 moves backwards to be meshed with the clamping block 13, so that the clamping block 13 clamps the ratchet bar 11.
Example 2
On the basis of embodiment 1, as shown in fig. 6 to 9, the device further includes a first rack 17, a gear 18, a second guide sleeve 19, a third guide sleeve 20, a second guide rod 21, a fixing ring 22, a second elastic member 23, a second rack 24, a second fixed block 25, a connecting sleeve 26, a third guide rod 27, a moving sleeve 28, a second push block 29, a second guide wheel 30 and a second pull rope 31, the bottom of the press block 1609 is connected with the first rack 17, the gear 18 is rotatably installed on the left portion of the front side of the first enclosure 3 through a bearing seat and a rotating shaft, the left portion of the front side of the first enclosure 3 is sequentially connected with the second fixed block 25, the second guide sleeve 19 and the third guide sleeve 20 from top to bottom, the second guide rod 21 is slidably installed in the second guide sleeve 19 and the third guide sleeve 20, the fixing ring 22 is installed on the second guide rod 21, the second elastic member 23 is connected between the fixing ring 22 and the third guide sleeve 20, the second elastic member 23 is wound on the second guide rod 21, the top end of the second guide rod 21 is provided with a second rack 24 through a bolt, the second rack 24 is meshed with the gear 18, the bottom end of the second guide rod 21 is connected with a connecting sleeve 26, the right side of the connecting sleeve 26 is connected with a third guide rod 27, the third guide rod 27 is provided with a movable sleeve 28, the lower part of the rear side of the fourth enclosure 8 is connected with a second push block 29, the lower left part of the front side of the first enclosure 3 is provided with a second guide wheel 30 through a bolt, a second pull rope 31 is connected between the movable sleeve 28 and the push rod 1603, and the second pull rope 31 bypasses the second guide wheel 30 and the first guide wheel 1605.
When the first rack 17 moves upwards and engages with the gear 18, the first rack 17 drives the gear 18 to rotate anticlockwise, the gear 18 drives the second rack 24 to move downwards, the connecting sleeve 26 is driven by the second guide rod 21 to move downwards, so as to drive the third guide rod 27 to move downwards and further drive the moving sleeve 28 to move downwards, at the same time, the second elastic part 23 is compressed, when the moving sleeve 28 moves downwards and is flush with the second push block 29, the press block 1609 is rotated leftwards, so that the press block 1609 is blocked by the second fixed block 25, the fourth block 8 is pushed rightwards, the fourth block 8 drives the second push block 29 to move rightwards, the second push block 29 pushes the moving sleeve 28 to move rightwards, the push rod 1604 is driven by the second pull rope 31 to move upwards, so as to drive the first push block 1604 to move upwards, the first push block pushes the second block 5 to move upwards, drive the third through second spout 14 and square slider 15 and enclose fender 6 rebound, adjust the second and enclose the height that keeps off 5 and third and enclose fender 6, when the fourth encloses fender 8 and moves to the end to the right, the second encloses fender 5 and third and encloses fender 6 and just rebound to the end, so, can be quick transfer maximum height and maximum width to this device to can save time. When the device needs to be reset, a person pulls the ratchet bar 11 forward to make the ratchet bar 11 not meshed with the fixture block 13, the first elastic member 12 is compressed, then the fourth enclosure 8 is pushed leftward, the fourth enclosure 8 drives the second push block 29 to move leftward, the second push block 29 pushes the moving sleeve 28 to move leftward, the second pull rope 31 is loosened, the second enclosure 5 and the third enclosure 6 move downward under the action of the own gravity of the second enclosure 5 and the third enclosure 6, when the second enclosure 5 and the third enclosure 6 move downward to the initial position, the fourth enclosure 8 just moves leftward to the initial position, the person rotates the pressing block 1609 forward again, the pressing block 1609 is not blocked by the second fixing block 25, the second guide rod 21 moves upward under the action of the second elastic member 23, the second guide rod 21 drives the second rack 24 to move upward, the second rack 24 drives the gear 18 to rotate clockwise, the gear 18 drives the first rack 17 to move downwards, so as to drive the pressing block 1609 to move downwards, the second guide rod 21 can also drive the connecting sleeve 26 to move upwards, and the moving sleeve 28 moves upwards accordingly.
The technical principles of the embodiments of the present invention have been described above with reference to specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of embodiments of the invention. Based on the explanations herein, those skilled in the art should appreciate that other embodiments of the present invention are possible without inventive effort, and these embodiments are intended to fall within the scope of the embodiments of the present invention.
Claims (5)
1. The utility model provides an easily adjust fender that encloses of high width which characterized by includes:
the device comprises a base plate (1), wherein a C-shaped sliding rail (2) is mounted on the base plate (1), and a first enclosure (3) is mounted in the C-shaped sliding rail (2);
the transverse plate (4) is fixedly connected to the side face of the first enclosing baffle (3), the transverse plate (4) plays a supporting role, a second enclosing baffle (5) is arranged in the first enclosing baffle (3) in a sliding mode, the second enclosing baffle (5) is in contact with the transverse plate (4), a third enclosing baffle (6) is arranged on the side face of the second enclosing baffle (5) in a sliding mode through a second sliding groove (14) and a square sliding block (15), the second sliding groove (14) extends in the horizontal direction, a fourth enclosing baffle (8) is connected to the side face of the third enclosing baffle (6) through a first sliding groove (7) and a sliding column (9), and the first sliding groove (7) extends in the vertical direction;
the supporting frame (10) is installed on a fourth surrounding barrier (8) far away from one side of the third surrounding barrier (6), a ratchet bar (11) is arranged on the supporting frame (10) in a sliding mode, a first elastic piece (12) is connected between the ratchet bar (11) and the supporting frame (10), and the first elastic piece (12) is wound on the supporting frame (10);
the fixture block (13), the fixture block (13) is fixedly connected to the third surrounding baffle (6) close to one side of the fourth surrounding baffle (8), and the fixture block (13) is meshed with the ratchet rack (11);
the lifting assembly (16) is arranged on the first enclosure (3), and the lifting assembly (16) is used for adjusting the heights of the second enclosure (5) and the third enclosure (6).
2. The enclosure easy to adjust the height and width as claimed in claim 1, wherein the ascending assembly (16) comprises a guide member, a push rod (1603), a first push block (1604), a first guide wheel (1605), a first guide rod (1606), a sliding sleeve (1607), a first pull rope (1608) and a pressing block (1609), the first enclosure (3) far away from one side of the second enclosure (5) is provided with the first push block (1604) in a sliding manner through the guide member, the guide member is used for guiding the first push block (1604), the first push block (1604) penetrates through the transverse plate (4), the number of the first guide wheels (1605) is at least two, the first guide wheels are all arranged on the side of the first enclosure (3), the first enclosure (3) far away from one side of the first push block (1604) is fixedly connected with the first guide rod (1606), the first guide rod (1607) is sleeved with the sliding sleeve, a first pull rope (1608) is connected between the sliding sleeve (1607) and the push rod (1603), the first pull rope (1608) bypasses all the first guide wheels (1605), and a pressing block (1609) is rotatably connected on the sliding sleeve (1607).
3. The enclosure easy to adjust the height and width as claimed in claim 2, wherein the guiding components are a first fixing block (1601), a first guiding sleeve (1602) and a push rod (1603), the first fixing block (1601) for limiting is fixedly connected to the first enclosure (3) on the side far away from the second enclosure (5), the first guiding sleeve (1602) is fixedly connected to the first enclosure (3) on the side close to the second enclosure (5), the push rod (1603) is slidably inserted in the first guiding sleeve (1602), one end of the push rod (1603) is in contact with the first fixing block (1601), and the other end of the push rod (1603) is fixedly connected with a first push block (1604).
4. The enclosure easy to adjust the height and width as recited in claim 3, characterized in that it further comprises a first rack (17), a gear (18), a second guide sleeve (19), a third guide sleeve (20), a second guide rod (21), a fixing ring (22), a second elastic component (23), a second rack (24), a second fixing block (25), a connecting sleeve (26), a third guide rod (27), a moving sleeve (28), a second push block (29), a second guide wheel (30) and a second pull rope (31), wherein the press block (1609) is fixedly connected with the first rack (17), the gear (18) is rotatably mounted on the first enclosure (3) near one side of the first guide rod (1606), the first enclosure (3) near one side of the gear (18) is fixedly connected with the second guide sleeve (19), the third guide sleeve (20) and the second fixing block (25), the second guide sleeve (19) is positioned between a third guide sleeve (20) and a second fixed block (25), a second guide rod (21) is connected with the second guide sleeve (19) and the third guide sleeve (20) in a sliding and penetrating manner, a fixing ring (22) is sleeved on the second guide rod (21) in a sliding manner, the fixing ring (22) is connected with a second elastic part (23) between the third guide sleeve (20), the second elastic part (23) is wound on the second guide rod (21), a second rack (24) is fixedly connected with one end of the second guide rod (21), the second rack (24) is meshed with a gear (18), a connecting sleeve (26) is fixedly connected with the other end of the second guide rod (21), a third guide rod (27) is fixedly connected onto the connecting sleeve (26), a moving sleeve (28) is sleeved on the third guide rod (27), and a second push block (29) is fixedly connected onto a fourth enclosure (8) on one side of the first enclosure (3), a second guide wheel (30) is bolted on the first enclosure (3) close to one side of the third guide sleeve (20), a second pull rope (31) is connected between the moving sleeve (28) and the push rod (1603), and the second pull rope (31) bypasses the second guide wheel (30) and the first guide wheel (1605).
5. An enclosure with easy adjustment of the height according to claim 4, characterized in that the first (12) and second (23) elastic members are springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922210640.6U CN211422085U (en) | 2019-12-11 | 2019-12-11 | Enclose fender of easily adjusting high width |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922210640.6U CN211422085U (en) | 2019-12-11 | 2019-12-11 | Enclose fender of easily adjusting high width |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211422085U true CN211422085U (en) | 2020-09-04 |
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ID=72275770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922210640.6U Active CN211422085U (en) | 2019-12-11 | 2019-12-11 | Enclose fender of easily adjusting high width |
Country Status (1)
| Country | Link |
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| CN (1) | CN211422085U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605782A (en) * | 2021-07-16 | 2021-11-05 | 山东菏泽黄河工程有限公司 | Water conservancy construction is with enclosing fender device convenient to use |
| CN114876281A (en) * | 2022-05-24 | 2022-08-09 | 江西容大建工集团有限公司 | Combined building safety enclosure |
-
2019
- 2019-12-11 CN CN201922210640.6U patent/CN211422085U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605782A (en) * | 2021-07-16 | 2021-11-05 | 山东菏泽黄河工程有限公司 | Water conservancy construction is with enclosing fender device convenient to use |
| CN114876281A (en) * | 2022-05-24 | 2022-08-09 | 江西容大建工集团有限公司 | Combined building safety enclosure |
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