CN214611428U - Well lid opener - Google Patents
Well lid opener Download PDFInfo
- Publication number
- CN214611428U CN214611428U CN202120840369.9U CN202120840369U CN214611428U CN 214611428 U CN214611428 U CN 214611428U CN 202120840369 U CN202120840369 U CN 202120840369U CN 214611428 U CN214611428 U CN 214611428U
- Authority
- CN
- China
- Prior art keywords
- hook
- sliding block
- lever
- supporting
- supporting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a well lid opener, include: the supporting assembly comprises a triangular support and a fixed support, the fixed support is rotatably connected to the top of the triangular support, one end of the lever is hinged with the fixed support, and the lever rotates up and down by taking the hinged position as a rotating center; the hook component comprises a hook sliding block sleeved on the lever, the hook sliding block slides along the length direction of the lever, the hook sliding block is connected with two chains, and one ends of the two chains, far away from the hook sliding block, are connected with lifting hooks; the driving assembly comprises a hydraulic mounting seat, a hydraulic jack and a driving sliding block, the driving sliding block is sleeved on the lever and located on one side, away from the fixed support, of the claw sliding block, the hydraulic jack is arranged at the top of the hydraulic mounting seat, the output end of the hydraulic jack is connected with the driving sliding block, and a plurality of universal wheels are arranged at the bottom of the hydraulic mounting seat. The utility model has the advantages of easy operation is swift, and convenient to use opens well lid labour saving and time saving.
Description
Technical Field
The utility model relates to the technical field of engineering, in particular to well lid opener.
Background
With the development and the demand of urban construction, common pipelines or cables such as tap water, telecommunication, electric power, gas, heat, fire fighting and the like are laid underground, shafts and well rooms for maintenance and repair are arranged at intervals along the line, openable well covers are arranged at the positions, flush with the road, of the tops of the shafts, and related facilities are maintained through the well covers in daily use.
At present common well lid open mode uses the well lid lifting hook to open, inserts the well lid with the lifting hook and opens in the hole, upwards draws the well lid through artifical pulling well lid lifting hook, and is very arduous during the use, and the well lid often is bonded by road material such as concrete, pitch, need spend plenty of time and manpower opening the in-process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a well lid opener, it has easy operation swiftly, and convenient to use opens well lid labour saving and time saving's advantage.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a well lid opener comprising: the supporting assembly comprises a triangular support and a fixed support, the fixed support is rotatably connected to the top of the triangular support, one end of the lever is hinged to the fixed support, and the lever rotates up and down by taking the hinged position as a rotating center;
the hook component comprises a hook sliding block sleeved on the lever, the hook sliding block slides along the length direction of the lever, the hook sliding block is connected with two chains, and one ends of the two chains, far away from the hook sliding block, are connected with lifting hooks;
the driving assembly comprises a hydraulic mounting seat, a hydraulic jack and a driving sliding block, the driving sliding block is sleeved on the lever and located on one side, away from the fixed support, of the claw sliding block, the hydraulic jack is arranged at the top of the hydraulic mounting seat, the output end of the hydraulic jack is hinged to the driving sliding block, and a plurality of universal wheels are arranged at the bottom of the hydraulic mounting seat.
Through adopting above-mentioned technical scheme, use and promote the hook and be connected with the well lid to fixing support forms lever structure as the fulcrum, utilizes lever principle, and the one end of keeping away from fixing support in the lever exerts the power and promotes the lever and can easily mention the well lid, provides the power of this promotion lever by hydraulic jack, need not the manpower and applys, labour saving and time saving, and be convenient for open with the fixed firm well lid in ground. The arrangement of the hook claw slide block and the driving slide block can change the positions of the hydraulic jack and the hook claw component on the lever, thereby adjusting the moment of the lever and being suitable for various different conditions.
Further setting: first fixing through hole has been seted up on the outer wall of hook slider, first fixing through hole female connection has first fixing bolt, thereby first fixing bolt be used for with the lever is contradicted and is carried on spacingly to the hook slider.
Through adopting above-mentioned technical scheme, the setting of first fixing hole and first fixing bolt carries out spacing fixed to the hook slider after the position on the lever has been adjusted to the hook slider, prevents that the hook slider from sliding in subsequent use and influencing opening of well lid.
Further setting: the outer wall of the driving sliding block is provided with a second fixing through hole, a second fixing bolt is connected to the inner thread of the second fixing through hole, and the second fixing bolt is used for limiting the driving sliding block in a mode of abutting against the lever.
Through adopting above-mentioned technical scheme, second fixing hole and second fixing bolt's setting carry out spacing fixed to the drive slider after the position on the lever has been adjusted to the drive slider, prevent to drive the opening that the slider slided the influence well lid in subsequent use.
Further setting: the lifting hook comprises a hook body, the hook body is sickle-shaped, the hook body comprises a hook connecting arm and a hook lifting arm, one end of the hook connecting arm is connected with the hook lifting arm, the other end of the hook connecting arm is connected with the chain, and the hook lifting arm is close to a sawtooth barb arranged on one side of the hook connecting arm.
Through adopting above-mentioned technical scheme, hook body of hook shape guarantees the stability of being connected with the well lid, and the setting of sawtooth barb also can be hooked by the sawtooth barb when promoting in-process well lid has the trend that drops, has increased the security and the stability of working process.
Further setting: the lifting claw comprises a lifting rod body and a supporting rod body, one end of the lifting rod body is connected with the chain, the other end of the lifting rod body is hinged with the supporting rod body, a connecting part is arranged at the hinged part, the connecting part divides the supporting rod body into a supporting rod part and a touch rod part, an installation notch for the supporting rod part to enter is arranged on the outer wall of one side, close to the connecting part, of the lifting rod body, when the supporting rod part is arranged in the installation notch, the length direction of the supporting rod body and the length direction of the lifting rod body are positioned on the same straight line, supporting grooves are respectively arranged on the surfaces, opposite to each other, of the supporting rod part and the installation notch, an installation hole is arranged at one end, far away from the connecting part, of the lifting rod body, an installation hole is arranged, the length direction of the installation hole is the same as the length direction of the supporting grooves and is communicated with the supporting grooves arranged at the installation position of the notches, and a sliding rod is connected in the installation hole in a sliding manner, one end of the sliding rod facing the supporting groove is hinged with a strengthening rod, the other end of the sliding rod extends out of the supporting rod body, one end of the strengthening rod far away from the sliding rod extends into the supporting groove arranged on the supporting rod part and is hinged in the supporting groove, when the supporting rod part is positioned in the mounting notch, the strengthening rod is positioned in the supporting groove,
still be provided with spacing horizontal pole between two promotion hook claws, the both ends of spacing horizontal pole are connected with the one end that two slide bars stretch out the support body of rod respectively, a plurality of conflict logical groove has all been seted up in one of connecting portion is kept away from in conflict pole portion, and adjacent two are contradicted in same root conflict pole portion and are led to the groove and be formed with the conflict convex part between the groove, and the logical groove of conflict in two conflict pole portions is crisscross to be set up, the logical groove of conflict is used for supplying the conflict convex part in another conflict pole portion to insert.
Through adopting above-mentioned technical scheme, because the well lid is more serious with concrete or pitch bonding in long-time use, and crowded impurity such as dust in the gap of well lid, lead to the well lid extremely difficult to open, and because the slope of lever when opening the well lid through lever structure, opening the in-process, the well lid has certain slope, can lead to blocking and be difficult to open, and the hook body coupling is on opening the hole in addition, the point of application of force is close to the center, and often the position that blocks the well lid is the edge of well lid, therefore it is more hard relatively. At present, the technical scheme is that a lifting rod body and a supporting rod body are firstly inserted into an opening hole until the supporting rod body is completely positioned below a well lid, a limiting transverse rod is pushed downwards to drive two sliding rods to move downwards, the sliding rods drive a reinforcing rod to move downwards in the downward movement process, two ends of the reinforcing rod are respectively hinged with the sliding rods and supporting grooves, so that the reinforcing rod rotates to support the supporting rod part, the supporting rod part rotates in the direction away from the lifting rod body by taking a connecting part as a circle center, the two supporting rod bodies rotate until one ends of the supporting rod parts, which are away from the connecting part, are mutually abutted, abutting convex parts are inserted into the corresponding abutting through grooves, a hydraulic jack works to lift a lifting lever, a lifting hook claw moves upwards until one end of the supporting rod part, which is away from the connecting part, is abutted against the edge of the well lid, the two supporting rod bodies and the well lid form a triangular structure, and a force application point is fixed at the edge of the well lid in the lifting process, and because rigid structure, two edges of well lid atress simultaneously can not lead to the slope to block, be convenient for opening of well lid.
Further setting: guide inclined planes are formed on two sides of the notch of the conflict through groove and used for guiding the conflict convex part to enter the conflict through groove.
Through adopting above-mentioned technical scheme, the setting of guide inclined plane is convenient for conflict convex part to insert and is contradicted logical groove.
Further setting: the limiting cross rod is a telescopic rod.
Through adopting above-mentioned technical scheme, spacing horizontal pole sets up to the telescopic link then can adjust the interval between two promotion hook, and convenient to use is also convenient for receive and deposit, reduces occupation space.
Further setting: one of connecting portion is kept away from in the vaulting pole portion is served and is provided with elastic deformation portion, elastic deformation portion is used for contradicting with the well lid.
Through adopting above-mentioned technical scheme, the area of contact of bracing piece portion with the well lid has been increased in setting up of elastic deformation portion, can laminate the line on well lid surface, makes the promotion process more stable.
To sum up, the utility model discloses following beneficial effect has: convenient to use is swift, and labour saving and time saving can be applicable to the well lid of different specifications, and application range is wide, and the opening process is stable.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1;
FIG. 2 is a schematic view showing the construction of a lifting hook in embodiment 2;
FIG. 3 is a schematic view showing a connection structure between the elevating rod body and the supporting rod body in embodiment 2;
fig. 4 is a schematic view of the end structure of the interference rod part in embodiment 2.
In the figure, 1, a lever; 2. a triangular bracket; 3. a fixed support; 4. a hook slider; 41. a first fixing bolt; 5. a chain; 6. a hydraulic mount; 7. a hydraulic jack; 8. driving the slide block; 81. a second fixing bolt; 9. a universal wheel; 10. a hook body; 101. a hook connecting wall; 102. a claw boom; 103. a sawtooth barb; 11. a lifting rod body; 12. a support rod body; 121. a support rod part; 122. is abutted against the rod part; 13. A connecting portion; 14. installing a notch; 15. a support groove; 16. a slide bar; 17. a reinforcing rod; 18. a limiting cross bar; 19. an elastic deformation portion; 20. a contact through groove; 21. a contact convex part; 22. a guide ramp; 23. a well cover is provided.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, a manhole cover opener includes: the support assembly comprises a triangular support 2 and a fixed support 3, the fixed support 3 is rotatably connected to the top of the triangular support 2, one end of the lever 1 is hinged to the fixed support 3, and the lever 1 rotates up and down by taking the hinged part as a rotating center. The hook component comprises a hook sliding block 4 which is sleeved on the lever 1, the hook sliding block 4 slides along the length direction of the lever 1, two chains 5 are connected to the hook sliding block 4, and one ends, far away from the hook sliding block 4, of the two chains 5 are connected with lifting hooks. The driving assembly comprises a hydraulic mounting seat 6, a hydraulic jack 7 and a driving sliding block 8, the driving sliding block 8 is sleeved on the lever 1 and is located on one side, away from the fixed support 3, of the claw sliding block 4, the hydraulic jack 7 is arranged at the top of the hydraulic mounting seat 6, the output end of the hydraulic jack 7 is hinged to the driving sliding block 8, and a plurality of universal wheels 9 are arranged at the bottom of the hydraulic mounting seat 6. Use and promote the hook to be connected with well lid 23 to fixing support 3 forms lever 1 structure as the fulcrum, utilizes the 1 principle of lever, and exert force in the one end that fixing support 3 was kept away from to lever 1 and promote lever 1 and can easily mention well lid 23, provides this power that promotes lever 1 by hydraulic jack 7, need not the manpower and applys, labour saving and time saving, and be convenient for open with the fixed firm well lid 23 in ground. The arrangement of the hook slider 4 and the driving slider 8 can change the positions of the hydraulic jack 7 and the hook component on the lever 1, thereby adjusting the moment of the lever 1 and being suitable for various different conditions.
As shown in fig. 1, a first fixing through hole is formed in the outer wall of the hook slider 4, a first fixing bolt 41 is connected to the inner thread of the first fixing through hole, and the first fixing bolt 41 is used for abutting against the lever 1 to limit the hook slider 4. Second fixing through hole has been seted up on the outer wall of drive slider 8, and second fixing through hole female connection has second fixing bolt 81, thereby second fixing bolt 81 is used for contradicting with lever 1 and carries on spacingly to drive slider 8. Carry out spacing fixed to drive slider 8 and hook slider 4 through the bolt, guarantee that drive slider 8 and hook slider 4 can not produce in the use and slide, improve stability. The lifting hook comprises a hook body 10, the hook body 10 is sickle-shaped, the hook body 10 comprises a hook connecting arm and a hook suspension arm 102, one end of the hook connecting arm is connected with the hook suspension arm 102, the other end of the hook connecting arm is connected with the chain 5, and a sawtooth barb 103 is arranged on one surface, close to the hook connecting arm, of the hook suspension arm 102. Hook body 10 of hook shape guarantees the stability of being connected with well lid 23, and the setting of sawtooth barb 103 also can be hooked by sawtooth barb 103 when promoting in-process well lid 23 has the trend that drops, has increased the security and the stability of working process.
Example 2:
as shown in fig. 2, 3 and 4, the lifting claw includes a lifting rod 11 and a supporting rod 12, one end of the lifting rod 11 is connected to the chain 5, the other end of the lifting rod 11 is hinged to the supporting rod 12, the hinged portion is a connecting portion 13, the connecting portion 13 divides the supporting rod 12 into a supporting rod portion 121 and a touch rod portion 122, an installation notch 14 for the supporting rod 121 to enter is formed on the outer wall of the lifting rod 11 near the connecting portion 13, when the supporting rod portion 121 is located in the installation notch 14, the length direction of the supporting rod 12 and the length direction of the lifting rod 11 are located on the same straight line, supporting grooves 15 are formed on the surfaces of the supporting rod portion 121 and the installation notch 14 facing each other, an installation hole is formed on the end of the lifting rod 11 far from the connecting portion 13, the length direction of the installation hole is the same as the length direction of the supporting groove 15 and is communicated with the supporting groove 15 formed at the installation notch 14, a sliding rod 16 is connected in the mounting hole in a sliding manner, one end of the sliding rod 16 facing the supporting groove 15 is hinged with a reinforcing rod 17, the other end of the sliding rod 16 extends out of the supporting rod body 12, one end of the reinforcing rod 17 far away from the sliding rod 16 extends into the supporting groove 15 arranged on the supporting rod part 121 and is hinged in the supporting groove 15, when the supporting rod part 121 is positioned in the mounting notch 14, reinforce pole 17 and be located support groove 15, still be provided with spacing horizontal pole 18 between two promotion claws, the both ends of spacing horizontal pole 18 are connected with the one end that two slide bars 16 stretch out the support rod body 12 respectively, a plurality of conflict logical groove 20 has all been seted up on one end that connecting portion 13 were kept away from to conflict pole portion 122, be formed with conflict convex part 21 between two adjacent conflict logical grooves 20 on same root conflict pole portion 122, the crisscross setting of conflict logical groove 20 on two conflict pole portions 122, conflict logical groove 20 is used for supplying the conflict convex part 21 on another conflict pole portion 122 to insert. Because well lid 23 is more serious with concrete or pitch bonding in long-time use, and crowded impurity such as dust in the gap of well lid 23, lead to well lid 23 extremely difficult to open, and because lever 1's slope when opening well lid 23 through lever 1 structure, opening the in-process, well lid 23 has certain slope, can lead to blocking to be difficult to open, and the hook body 10 is connected on opening the hole, the point of application of force is close to the center, and the position that often blocks well lid 23 is the edge of well lid 23, therefore it is harder relatively. Now, in the technical scheme, firstly, the lifting rod body 11 and the supporting rod body 12 are inserted into the opening hole until the supporting rod body 12 is completely located below the manhole cover 23, the limiting cross rod 18 is pushed downwards to drive the two sliding rods 16 to move downwards, the sliding rods 16 drive the reinforcing rod 17 to move downwards in the downward movement process, as the two ends of the reinforcing rod 17 are respectively hinged with the sliding rods 16 and the supporting grooves 15, the reinforcing rod 17 rotates to prop open the supporting rod part 121, the supporting rod part 121 rotates towards the direction far away from the lifting rod body 11 by taking the connecting part 13 as a circle center, the two supporting rod bodies 12 rotate until one ends of the supporting rod parts 122 far away from the connecting part 13 are mutually butted, the butted convex parts 21 are inserted into the corresponding butted through grooves 20, the hydraulic jack 7 works to lift the lever 1, the lifting claw moves upwards until one ends of the supporting rod parts 121 far away from the connecting part 13 are butted with the edge of the manhole cover 23, and the two supporting rod bodies 12 and the manhole cover 23 form a triangular structure, make the point of application of force fix at well lid 23 edge at the promotion in-process, moreover because rigid structure, two edges of well lid 23 atress simultaneously can not lead to the slope to block, the opening of the well lid 23 of being convenient for.
As shown in fig. 2 and 4, guide slopes 22 are formed at both sides of the notch of the interference groove 20, and the guide slopes 22 serve to guide the interference protrusion 21 into the interference groove 20. Spacing horizontal pole 18 is the telescopic link, and spacing horizontal pole 18 sets up to the telescopic link then can adjust the interval between two promotion hook, and convenient to use is also convenient for receive and deposits, reduces occupation space. One of connecting portion 13 was kept away from to vaulting pole portion 121 serves and is provided with elastic deformation portion 19, and elastic deformation portion 19 is used for contradicting with well lid 23, and elastic deformation portion 19's setting has increased the area of contact of vaulting pole portion 121 with well lid 23, can laminate the line on well lid 23 surface, makes the lift process more stable.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (8)
1. A well lid opener characterized by comprising: the supporting assembly comprises a triangular support (2) and a fixed support (3), the fixed support (3) is rotatably connected to the top of the triangular support (2), one end of the lever (1) is hinged to the fixed support (3), and the lever (1) rotates up and down by taking the hinged position as a rotating center;
the hook component comprises a hook sliding block (4) sleeved on the lever (1), the hook sliding block (4) slides along the length direction of the lever (1), the hook sliding block (4) is connected with two chains (5), and one ends of the two chains (5) far away from the hook sliding block (4) are both connected with lifting hooks;
the driving assembly comprises a hydraulic mounting seat (6), a hydraulic jack (7) and a driving sliding block (8), the driving sliding block (8) is sleeved on the lever (1) and located on one side, away from the fixed support (3), of the hook claw sliding block (4), the hydraulic jack (7) is arranged at the top of the hydraulic mounting seat (6), the output end of the hydraulic jack (7) is hinged to the driving sliding block (8), and a plurality of universal wheels (9) are arranged at the bottom of the hydraulic mounting seat (6).
2. The manhole cover opener according to claim 1, wherein a first fixing through hole is formed in an outer wall of the hook slider (4), a first fixing bolt (41) is screwed into the first fixing through hole, and the first fixing bolt (41) is abutted against the lever (1) to limit the hook slider (4).
3. The manhole cover (23) opener according to claim 1, wherein a second fixing through hole is formed in an outer wall of the driving slider (8), a second fixing bolt (81) is connected to the second fixing through hole in a threaded manner, and the second fixing bolt (81) is used for abutting against the lever (1) so as to limit the driving slider (8).
4. The well lid opener according to claim 1, characterized in that the lifting finger comprises a finger body (10), the finger body (10) being sickle-shaped, the finger body (10) comprising a finger connecting arm and a finger suspension arm (102), the finger connecting arm being connected at one end to the finger suspension arm (102) and at the other end to the chain (5), the finger suspension arm (102) being provided with a serrated barb (103) on a face thereof adjacent to the finger connecting arm.
5. The manhole cover opener according to claim 1, wherein the lifting claw comprises a lifting rod body (11) and a supporting rod body (12), one end of the lifting rod body (11) is connected with the chain (5), the other end of the lifting rod body is hinged with the supporting rod body (12), a connecting part (13) is hinged with the supporting rod body (12), the connecting part (13) divides the supporting rod body (12) into a supporting rod part (121) and a collision rod part (122), an installation notch (14) for the supporting rod part (121) to enter is formed in the outer wall of one side, close to the connecting part (13), of the lifting rod body (11), when the supporting rod part (121) is located in the installation notch (14), the length direction of the supporting rod body (12) and the length direction of the lifting rod body (11) are located on the same straight line, and supporting grooves (15) are formed in the surfaces, opposite to each other, of the supporting rod part (121) and the installation notch (14), the lifting rod body (11) is far away from one end of the connecting part (13) and is provided with a mounting hole, the length direction of the mounting hole is the same as that of the supporting groove (15) and is communicated with the supporting groove (15) arranged at the position of the mounting notch (14), a sliding rod (16) is connected in the mounting hole in a sliding manner, one end, facing the supporting groove (15), of the sliding rod (16) is hinged with a strengthening rod (17), the other end of the sliding rod extends out of the supporting rod body (12), one end, far away from the sliding rod (16), of the strengthening rod (17) extends into the supporting groove (15) arranged on the supporting rod part (121) and is hinged in the supporting groove (15), when the supporting rod part (121) is positioned in the mounting notch (14), the strengthening rod (17) is positioned in the supporting groove (15),
still be provided with between two promotion claws spacing horizontal pole (18), the both ends of spacing horizontal pole (18) are connected with the one end that two slide bars (16) stretch out the support rod body (12) respectively, connecting portion (13) are kept away from in conflict pole portion (122) one to serve and all seted up a plurality of conflict logical groove (20), are formed with conflict convex part (21) between two adjacent conflict logical grooves (20) on same root conflict pole portion (122), and conflict logical groove (20) on two conflict pole portions (122) are crisscross to be set up, conflict logical groove (20) are used for supplying conflict convex part (21) on another conflict pole portion (122) to insert.
6. The manhole cover opener according to claim 5, wherein the interference through groove (20) is formed with guide slopes (22) at both sides of the groove, and the guide slopes (22) are used for guiding the interference protrusion (21) into the interference through groove (20).
7. The manhole cover opener according to claim 5, wherein the limit cross bar (18) is a telescopic bar.
8. The manhole cover opener according to claim 5, wherein an elastically deformable portion (19) is disposed on an end of the supporting rod portion (121) away from the connecting portion (13), and the elastically deformable portion (19) is configured to abut against the manhole cover (23).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120840369.9U CN214611428U (en) | 2021-04-22 | 2021-04-22 | Well lid opener |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120840369.9U CN214611428U (en) | 2021-04-22 | 2021-04-22 | Well lid opener |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214611428U true CN214611428U (en) | 2021-11-05 |
Family
ID=78404820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120840369.9U Active CN214611428U (en) | 2021-04-22 | 2021-04-22 | Well lid opener |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214611428U (en) |
-
2021
- 2021-04-22 CN CN202120840369.9U patent/CN214611428U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN116345370B (en) | Cable erection bridge structure for electromechanical engineering | |
CN112468071A (en) | Intelligent roof photovoltaic board and mounting structure thereof | |
CN214611428U (en) | Well lid opener | |
CN204167849U (en) | Cable trough and cover plate thereof | |
CN210194921U (en) | Expansion joint waterstop installation device | |
CN113023635A (en) | Well lid opener | |
CN110039637B (en) | Synchronous hydraulic T-beam template assembling auxiliary tool | |
CN113668344B (en) | Construction auxiliary device is backfilled in maintenance of highway section | |
CN219491017U (en) | Foundation pit supporting structure | |
CN117868009A (en) | Beam body connecting device for bridge widening | |
CN214531064U (en) | Crawler-type driving mechanism for urban pipeline dredging robot | |
CN211817522U (en) | Concrete stair platform beam | |
CN220347298U (en) | Prosthetic devices of soil drainage pipe network | |
CN210177562U (en) | Excavator lengthening slope repairing structure for repairing soft soil high slope | |
CN218467188U (en) | Civil engineering is with folding grid of protection | |
CN108625421B (en) | Automatic coal slime clearing and digging machine for mine water flow lane | |
CN112838552A (en) | Cover plate structure used on cable foundation pit with drag chain system and cable foundation pit with cover plate structure | |
CN220666235U (en) | Building foundation pit construction supporting device | |
CN220720906U (en) | Automatic opening type door bolt mechanism of dregs car | |
CN216275541U (en) | Equipment for cleaning silts in gate slot of plane gate | |
CN218991497U (en) | Electrically driven horizontal directional drilling machine | |
CN220078402U (en) | Pipeline lifting device for non-excavation pipe jacking construction of underground sewage pipeline | |
CN221144458U (en) | Continuous top pouring device | |
CN221974496U (en) | Pipeline lifting butt joint device | |
CN213802829U (en) | Well lid opening device mats formation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |