CN113638752A - Prefabricated bracket structure of electric power tunnel - Google Patents
Prefabricated bracket structure of electric power tunnel Download PDFInfo
- Publication number
- CN113638752A CN113638752A CN202111054029.4A CN202111054029A CN113638752A CN 113638752 A CN113638752 A CN 113638752A CN 202111054029 A CN202111054029 A CN 202111054029A CN 113638752 A CN113638752 A CN 113638752A
- Authority
- CN
- China
- Prior art keywords
- column
- plate
- electric power
- bracket structure
- lifting column
- 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.)
- Pending
Links
- 230000008093 supporting effect Effects 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 6
- 210000005056 cell body Anatomy 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/46—Telescopic props with load-measuring devices; with alarm devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention relates to the technical field of bracket structures, in particular to a prefabricated bracket structure of an electric power tunnel, which comprises an upright post, a lifting post and long screws, wherein the lifting post is arranged on one side of the upright post, the long screws which are uniformly distributed penetrate through the upright post below the lifting post, a plurality of pressure units which are uniformly distributed are arranged in the upright post, one end of each pressure unit extends into a control groove formed in the lifting post, a trigger mechanism is arranged in the lifting post on one side of the control groove, and a signal transmitter is arranged in the lifting post.
Description
Technical Field
The invention relates to the technical field of bracket structures, in particular to a prefabricated bracket structure of an electric power tunnel.
Background
A large amount of bracket structures can be used in the electric power tunnel in the prior art, the common bracket structure can only play a single supporting effect, if natural disasters occur, gaps can be caused between the bracket and the top of the tunnel, the bracket loses the supporting function, and potential safety hazards are brought to the tunnel.
If the bracket structure has a safe and stable supporting function, if a gap exists between the top of the tunnel and the bracket, the bracket structure can deform and expand in time, and if the tunnel deforms seriously, a monitoring alarm mechanism in the bracket can be triggered, so that the problem can be solved, and the prefabricated bracket structure of the electric power tunnel is provided.
Disclosure of Invention
The invention aims to provide a prefabricated bracket structure of an electric power tunnel, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a prefabricated bracket structure of an electric power tunnel comprises an upright post, a lifting post and a long screw, wherein the lifting post is arranged on one side of the upright post, a plurality of long screws which are uniformly distributed penetrate through the upright post below the lifting post, a plurality of pressure units which are uniformly distributed are arranged in the upright post, one end of each pressure unit extends into a control groove arranged on the lifting post, a trigger mechanism is arranged in the lifting column at one side of the control groove, a signal emitter is arranged in the lifting column, one end of the signal emitter is connected with two main guide lines, the trigger mechanism is connected with the main guide lines, the bottom of the lifting column is provided with a guide column which is fixed on the upright column, one side of the guide column is connected with a control component, the control assembly comprises a clamping plate, a power device and a handle, one end of the handle extends to the outside of the lifting column, and a supporting block is arranged in the handle.
Preferably, the cardboard is the square form, and sets up a plurality of evenly distributed's tooth's socket on the block lateral wall, the handle sets up the square hole for L template form and on the plate body, is provided with the kicking block in the square hole of handle, and kicking block one end and handle are articulated.
Preferably, the power device comprises a spring piece, a central column, an intercepting block and a rotary drum, the central column is movably sleeved in the middle of the rotary drum, the end part of the central column is fixed on the lifting column, the intercepting block is fixedly connected to one side of the central column, one end of the intercepting block is in contact with the wavy plate-shaped spring piece, the spring piece and the intercepting block are arranged in an arc-shaped column groove formed in the wall of an inner cavity of the rotary drum, a plurality of uniformly distributed protruding teeth are fixedly connected to one side wall of the rotary drum, and the rotary drum is in meshed connection with the clamping plate.
Preferably, the control assembly comprises a one-way seat, an inner bracing column and a second spring piece, the inner bracing column and the second spring piece are arranged in a prism groove formed in the stand column, one end of the inner bracing column is contacted with the second spring piece in a wavy plate shape, the other end of the inner bracing column is in a pointed end shape, the pointed end of the inner bracing column extends into the control groove, the one side of the inner bracing column is provided with the one-way seat, and a plurality of uniformly distributed grooves are formed in the outer wall of the inner bracing column.
Preferably, the one-way seat comprises a blocking block II, a spring piece III and a limiting plate, the limiting plate is in the shape of a protruding column which is integrally connected to one side of the square plate and is uniformly distributed, one corner of the protruding column of the limiting plate is in a round angle shape, a round angle end on the limiting plate extends into a groove in the inner supporting column, and the limiting plate is arranged in a square plate groove formed in the stand column.
Preferably, the outer side wall of the limiting plate is provided with a sliding groove, a blocking block II and a wavy plate-shaped spring piece III are arranged in the sliding groove, and the blocking block II is fixed on the stand column.
Preferably, trigger mechanism includes control box, elastic metal piece and branch wire, the control tank is the square groove form and cell body one corner is the inclined plane form, and trigger mechanism sets up on the inclined plane of control tank, and elastic metal piece part protrusion is to the inner chamber of control tank.
Preferably, the elastic metal sheet is arc-shaped plate-shaped, two ends of the plate body are outwards turned towards two sides, the elastic metal sheet is arranged in a T-shaped groove formed in the control box in a matching mode, two ends of the control box are fixedly connected with branch conducting wires, one ends of the branch conducting wires extend into an inner cavity of the control box, and the other ends of the control box are connected with the main conducting wire.
Compared with the prior art, the invention has the beneficial effects that:
1. the bracket structure realizes the stable supporting function of the bracket structure, the whole bracket can realize certain deformation expansion in the vertical direction, once an earthquake occurs, a gap is formed between the top of the tunnel and the bracket, the bracket structure can timely deform and expand, and the bracket structure is ensured to always support the top of the tunnel;
2. according to the invention, the design of the one-way seat ensures that the top of the tunnel still has a strong supporting effect after the bracket structure is expanded and deformed, so that the safety of the tunnel is ensured, if the top of the tunnel is excessively deformed, the signal generating mechanism in the bracket is triggered, the signal is transmitted to the tunnel monitoring mechanism, and a worker can master the situation in time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the power plant;
FIG. 4 is a schematic view of a spacer;
FIG. 5 is a schematic structural diagram of a control assembly;
FIG. 6 is a schematic view of the lifting column;
FIG. 7 is a schematic view of the structure at B in FIG. 5;
fig. 8 is a schematic structural diagram at C in fig. 5.
In the figure: the device comprises an upright post 1, a lifting post 2, a long screw 3, a pressure unit 4, a control groove 5, a trigger mechanism 6, a signal emitter 7, a main guide line 8, a guide post 9, a control component 10, a clamping plate 11, a power device 12, a handle 13, a supporting block 14, a spring piece 15, a central post 16, an intercepting block 17, a rotary drum 18, a one-way seat 19, an inner supporting post 20, a second spring piece 21, a control box 22, an elastic metal piece 23, a branch guide line 24, a second intercepting block 25, a third spring piece 26 and a limiting plate 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: a prefabricated bracket structure of an electric power tunnel comprises a vertical column 1, a lifting column 2 and long screws 3, wherein the lifting column 2 is arranged on one side of the vertical column 1, the long screws 3 uniformly distributed penetrate through the vertical column 1 below the lifting column 2, a plurality of pressure units 4 uniformly distributed are arranged in the vertical column 1, one end of each pressure unit 4 extends into a control groove 5 formed in the lifting column 2, a trigger mechanism 6 is arranged in the lifting column 2 on one side of each control groove 5, a signal transmitter 7 is arranged in the lifting column 2, one end of each signal transmitter 7 is connected with two main guide lines 8, the trigger mechanism 6 is connected with the main guide lines 8, a guide column 9 is arranged at the bottom of the lifting column 2, the guide column 9 is fixed on the vertical column 1, one side of the guide column 9 is connected with a control assembly 10, each control assembly 10 comprises a clamping plate 11, a power device 12 and a handle 13, one end of the handle 13 extends to the outside of the lifting column 2, a brace 14 is provided in the handle 13.
Cardboard 11 is the square form, and sets up a plurality of evenly distributed's tooth's socket on the block lateral wall, and handle 13 sets up the square hole for L type plate form and on the plate body, is provided with bracer 14 in the square hole of handle 13, and bracer 14 one end and handle 13 are articulated.
The power device 12 comprises a spring piece 15, a central column 16, an intercepting block 17 and a rotary drum 18, the central column 16 is movably sleeved in the middle of the rotary drum 18, the end part of the central column 16 is fixed on the lifting column 2, one side of the central column 16 is fixedly connected with the intercepting block 17, one end of the intercepting block 17 is contacted with the wave-plate-shaped spring piece 15, the spring piece 15 and the intercepting block 17 are arranged in an arc-shaped column groove formed in the wall of an inner cavity of the rotary drum 18, a plurality of uniformly distributed protruding teeth are fixedly connected onto one side wall of the rotary drum 18, the rotary drum 18 is connected with the clamping plate 11 in a meshed mode, referring to the figures 2 and 3, a plate cavity is formed in the lifting column 2, each part on the control assembly 10 is arranged in the plate cavity, the space positioning of the parts is achieved, and each part has a certain motion space.
The control assembly 10 comprises a one-way seat 19, an inner support column 20 and a second spring piece 21, the inner support column 20 and the second spring piece 21 are arranged in a prism groove formed in the upright post 1, one end of the inner support column 20 is in contact with the second wave-plate-shaped spring piece 21, the other end of the inner support column 20 is in a pointed end shape, the pointed end of the inner support column 20 extends into the control groove 5, the one side of the inner support column 20 is provided with the one-way seat 19, and a plurality of uniformly distributed grooves are formed in the outer wall of the inner support column 20.
The one-way seat 19 comprises a second blocking block 25, a third spring piece 26 and a limiting plate 27, the limiting plate 27 is in the shape of a square plate, a plurality of uniformly distributed protruding columns are integrally connected to one side of the square plate, one corner of each protruding column of the limiting plate 27 is in a round angle shape, a round angle end on the limiting plate 27 extends into a groove in the inner supporting column 20, and the limiting plate 27 is arranged in a square plate groove formed in the stand column 1.
The outer side wall of the limit plate 27 is provided with a sliding groove, a second interception block 25 and a third wavy spring piece 26 are arranged in the sliding groove, and the second interception block 25 is fixed on the upright post 1.
The elastic metal sheet 23 is arc-shaped plate, two ends of the plate body are turned outwards towards two sides, the elastic metal sheet 23 is arranged in a T-shaped groove formed in the control box 22 in a matching mode, two ends of the control box 22 are fixedly connected with branch conducting wires 24, one ends of the branch conducting wires 24 extend into an inner cavity of the control box 22, and the other end of the control box 22 is connected with the main conducting wire 8.
The working principle is as follows: when the lifting column is used, the top of the tunnel is propped against the upper part of the lifting column 2, the upright column 1 is fixed on the wall of the tunnel, one end of the long screw 3 is embedded into the wall, then a worker breaks the handle 13, the handle 13 rotates to drive the power device 12, the support block 14 is rotated to ensure that the plate bodies of the support block 14 and the handle 13 are mutually vertical, one end of the support block 14 is propped against the lifting column 2 to avoid the rebounding movement of the handle 13, the power device 12 rotates to drive the clamp plate 11, the clamp plate 11 moves to be drawn out from the guide column 9, so that the guide column 9 is not clamped with the lifting column 2, the lifting column 2 can be lifted, the elastic pushing of the spring piece 15 ensures that the worker does not control the front part of the handle 13, the handle 13 is clung to the lifting column 2 to ensure the firm clamping between the clamp plate 11 and the guide column 9, once the clamp plate 11 is drawn out from the guide column 9, the lifting column 2 is pushed and controlled by a plurality of inner support columns 20, the second spring piece 21 provides strong elastic pushing force, therefore, the lifting column 2 is firmly supported at the top of the tunnel, if an earthquake with controllable degree occurs, the lifting column 2 can also firmly support the top of the tunnel under the elastic pushing of a plurality of inner supporting columns 20, the design of the one-way seat 19 ensures that the inner supporting columns 20 can only extend out in one way, if the inner supporting columns 20 extend out, the limiting plate 27 is forced to retract into the upright post 1, namely, the groove is contacted with the round corner part on the limiting plate 27, the limiting plate 27 is pushed back into the upright post 1, the inner supporting columns 20 can not move in reverse direction, the limiting plate 27 is pushed against the inner supporting columns 20 by the elastic pushing of the spring leaf III 26, finally, the lifting column 2 can only ascend in one way, the stable supporting function of the bracket is ensured, in addition, if the lifting column 2 ascends too high, the deformation of the top of the tunnel is over large, the inner supporting columns 20 can push the elastic metal sheet 23 back into the control box 22 after moving to a certain distance, the end part of the elastic metal sheet 23 is contacted with the supporting wire 24, thus, circuit communication is realized, the signal emitter 7, the main conductor 8 and the branch conductor 24 form a parallel circuit, the circuit disconnection point is arranged at the elastic metal sheet 23, the circuit communication realizes the electrifying work of the signal emitter 7, and the signal is emitted to the tunnel monitoring terminal, so that the tunnel safety operation and maintenance department can master the situation in time.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a prefabricated bracket structure of electric power tunnel, includes stand (1), lift post (2) and long screw (3), its characterized in that: the lifting column is characterized in that a lifting column (2) is arranged on one side of the upright column (1), a plurality of uniformly distributed long screws (3) penetrate through the upright column (1) below the lifting column (2), a plurality of uniformly distributed pressure units (4) are arranged in the upright column (1), one ends of the pressure units (4) extend into control grooves (5) formed in the lifting column (2), a trigger mechanism (6) is arranged in the lifting column (2) on one side of the control grooves (5), a signal transmitter (7) is arranged in the lifting column (2), one end of the signal transmitter (7) is connected with two main guide lines (8), the trigger mechanism (6) is connected with the main guide lines (8), a guide column (9) is arranged at the bottom of the lifting column (2), the guide column (9) is fixed on the upright column (1), and a control assembly (10) is connected with one side of the guide column (9), the control assembly (10) comprises a clamping plate (11), a power device (12) and a handle (13), one end of the handle (13) extends to the outside of the lifting column (2), and a supporting block (14) is arranged in the handle (13).
2. The prefabricated bracket structure of the electric power tunnel of claim 1, characterized in that: cardboard (11) are the square form, and set up a plurality of evenly distributed's tooth's socket on the block lateral wall, handle (13) are the L type platelike and set up the square hole on the plate body, are provided with bracer (14) in the square hole of handle (13), and bracer (14) one end and handle (13) are articulated.
3. The prefabricated bracket structure of the electric power tunnel of claim 1, characterized in that: the power device (12) comprises a spring piece (15), a center column (16), an intercepting block (17) and a rotary drum (18), the center column (16) is movably sleeved in the middle of the rotary drum (18), the end part of the center column (16) is fixed on the lifting column (2), the intercepting block (17) is fixedly connected to one side of the center column (16), one end of the intercepting block (17) is in contact with the wavy spring piece (15), the spring piece (15) and the intercepting block (17) are arranged in an arc-shaped column groove formed in the inner cavity wall of the rotary drum (18), a plurality of uniformly-distributed protruding teeth are fixedly connected to one side wall of the rotary drum (18), and the rotary drum (18) and the clamping plate (11) are connected in a meshed mode.
4. The prefabricated bracket structure of the electric power tunnel of claim 1, characterized in that: control assembly (10) are including one-way seat (19), interior stay (20) and two (21) spring leaf, interior stay (20) and two (21) setting of spring leaf set up on stand (1) in the prism groove of seting up, the one end contact of interior stay (20) has two (21) of wavy plate-like spring leaf, the other end of interior stay (20) is most advanced form, and the most advanced of interior stay (20) extends to in control flume (5), one side of interior stay (20) is provided with one-way seat (19), sets up a plurality of evenly distributed's recess on the outer wall of interior stay (20).
5. The prefabricated bracket structure of the electric power tunnel of claim 1, characterized in that: one-way seat (19) are including intercepting two (25), three (26) of spring leaf and limiting plate (27), limiting plate (27) shape is square plate one side an organic whole and is connected with a plurality of evenly distributed's salient post, and the salient post one corner of limiting plate (27) is the fillet shape, and fillet end on limiting plate (27) extends to in the recess on interior dagger (20), and limiting plate (27) set up in the square plate groove of seting up on stand (1).
6. The prefabricated bracket structure of the electric power tunnel of claim 5, characterized in that: the outer side wall of the limiting plate (27) is provided with a sliding groove, a blocking block II (25) and a wavy plate-shaped spring piece III (26) are arranged in the sliding groove, and the blocking block II (25) is fixed on the upright post (1).
7. The prefabricated bracket structure of the electric power tunnel of claim 1, characterized in that: trigger mechanism (6) are including control box (22), elastic metal piece (23) and branch wire (24), control tank (5) are square groove form and cell body one corner is the inclined plane form, and trigger mechanism (6) set up on the inclined plane of control tank (5), and elastic metal piece (23) part protrusion is to the inner chamber of control tank (5).
8. The prefabricated bracket structure of the electric power tunnel of claim 7, characterized in that: the elastic metal sheet (23) is arc-shaped plate-shaped, two ends of the plate body are outwards turned towards two sides, the elastic metal sheet (23) is arranged in a T-shaped groove formed in the control box (22) in a matching mode, two ends of the control box (22) are fixedly connected with branch conducting wires (24), one ends of the branch conducting wires (24) extend into an inner cavity of the control box (22), and the other ends of the control box (22) are connected with the main conducting wire (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054029.4A CN113638752A (en) | 2021-09-09 | 2021-09-09 | Prefabricated bracket structure of electric power tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054029.4A CN113638752A (en) | 2021-09-09 | 2021-09-09 | Prefabricated bracket structure of electric power tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113638752A true CN113638752A (en) | 2021-11-12 |
Family
ID=78425472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111054029.4A Pending CN113638752A (en) | 2021-09-09 | 2021-09-09 | Prefabricated bracket structure of electric power tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113638752A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR365648A (en) * | 1906-04-17 | 1906-09-12 | Peter Mommertz | stanchion |
| FR60553E (en) * | 1950-01-12 | 1954-11-09 | mine prop | |
| CN1049699A (en) * | 1989-08-22 | 1991-03-06 | 钱泽民 | Safety display device for single hydraulic prop |
| CN2096596U (en) * | 1990-05-30 | 1992-02-19 | 山东诸城无线电零件厂 | Quick lifting frame |
| CN101994515A (en) * | 2010-10-12 | 2011-03-30 | 中国矿业大学 | Anti-impact box for supporting pole of mine |
| KR20130109298A (en) * | 2012-03-27 | 2013-10-08 | 주식회사 대흥피씨이 | Joint structure of pc column with non-sleeve |
| CN203230439U (en) * | 2013-05-06 | 2013-10-09 | 石家庄煤矿机械有限责任公司 | Mechanical compensation hydraulic vertical post for coal mine underground drill rig |
| CN104192268A (en) * | 2014-07-16 | 2014-12-10 | 浙江海洋学院 | Multifunctional ship with container positioning guide rail mechanisms |
| CN204082180U (en) * | 2014-07-11 | 2015-01-07 | 常州中矿机械制造有限公司 | Hydraulic prop |
| CN107165660A (en) * | 2017-07-11 | 2017-09-15 | 安徽佳泰矿业科技有限公司 | A kind of new type mining point post Liftable type post footwear apparatus |
| CN208534506U (en) * | 2018-05-16 | 2019-02-22 | 东莞市奥雷德精密零部件有限公司 | A kind of compressible individual prop of adjustable constant-resistance of mechanical |
| CN208918596U (en) * | 2018-11-02 | 2019-05-31 | 山东科技大学 | A kind of New Mine pillar of automatic detection environment |
| CN110205950A (en) * | 2019-07-01 | 2019-09-06 | 四川省交通勘察设计研究院有限公司 | A kind of mountainous area highway culvert structure |
| CN112010203A (en) * | 2020-08-11 | 2020-12-01 | 新昌县南明街道益华机械厂 | Stable anti-shaking device of tower crane |
| CN112918994A (en) * | 2021-01-25 | 2021-06-08 | 吴德兴 | Industrial electrical numerical control automation equipment |
| CN213951968U (en) * | 2020-10-31 | 2021-08-13 | 中交路桥建设有限公司 | Liftable formula support steel-pipe pile |
| CN113320744A (en) * | 2021-07-09 | 2021-08-31 | 深圳市东盈讯达电子有限公司 | High-speed transplanter of carousel formula of egg dumpling production |
-
2021
- 2021-09-09 CN CN202111054029.4A patent/CN113638752A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR365648A (en) * | 1906-04-17 | 1906-09-12 | Peter Mommertz | stanchion |
| FR60553E (en) * | 1950-01-12 | 1954-11-09 | mine prop | |
| CN1049699A (en) * | 1989-08-22 | 1991-03-06 | 钱泽民 | Safety display device for single hydraulic prop |
| CN2096596U (en) * | 1990-05-30 | 1992-02-19 | 山东诸城无线电零件厂 | Quick lifting frame |
| CN101994515A (en) * | 2010-10-12 | 2011-03-30 | 中国矿业大学 | Anti-impact box for supporting pole of mine |
| KR20130109298A (en) * | 2012-03-27 | 2013-10-08 | 주식회사 대흥피씨이 | Joint structure of pc column with non-sleeve |
| CN203230439U (en) * | 2013-05-06 | 2013-10-09 | 石家庄煤矿机械有限责任公司 | Mechanical compensation hydraulic vertical post for coal mine underground drill rig |
| CN204082180U (en) * | 2014-07-11 | 2015-01-07 | 常州中矿机械制造有限公司 | Hydraulic prop |
| CN104192268A (en) * | 2014-07-16 | 2014-12-10 | 浙江海洋学院 | Multifunctional ship with container positioning guide rail mechanisms |
| CN107165660A (en) * | 2017-07-11 | 2017-09-15 | 安徽佳泰矿业科技有限公司 | A kind of new type mining point post Liftable type post footwear apparatus |
| CN208534506U (en) * | 2018-05-16 | 2019-02-22 | 东莞市奥雷德精密零部件有限公司 | A kind of compressible individual prop of adjustable constant-resistance of mechanical |
| CN208918596U (en) * | 2018-11-02 | 2019-05-31 | 山东科技大学 | A kind of New Mine pillar of automatic detection environment |
| CN110205950A (en) * | 2019-07-01 | 2019-09-06 | 四川省交通勘察设计研究院有限公司 | A kind of mountainous area highway culvert structure |
| CN112010203A (en) * | 2020-08-11 | 2020-12-01 | 新昌县南明街道益华机械厂 | Stable anti-shaking device of tower crane |
| CN213951968U (en) * | 2020-10-31 | 2021-08-13 | 中交路桥建设有限公司 | Liftable formula support steel-pipe pile |
| CN112918994A (en) * | 2021-01-25 | 2021-06-08 | 吴德兴 | Industrial electrical numerical control automation equipment |
| CN113320744A (en) * | 2021-07-09 | 2021-08-31 | 深圳市东盈讯达电子有限公司 | High-speed transplanter of carousel formula of egg dumpling production |
Non-Patent Citations (1)
| Title |
|---|
| 王国法;赵志礼;: "液压支架双伸缩抗冲击立柱动态分析", 煤矿开采, no. 02, 30 April 2010 (2010-04-30), pages 62 - 65 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111021305A (en) | Ocean monitoring is with preventing unrestrained device | |
| CN113638752A (en) | Prefabricated bracket structure of electric power tunnel | |
| CN215716036U (en) | Assembled building major structure convenient to installation | |
| CN214025474U (en) | Radome assembly structure | |
| CN209753711U (en) | Novel bending plate detection tool | |
| CN215630908U (en) | Glass building curtain convenient to installation | |
| CN212198266U (en) | Novel construction elevator attaches wall frame | |
| CN212836150U (en) | Curtain wall with hidden cable structure | |
| CN210195329U (en) | Building engineering strutting arrangement | |
| CN220353564U (en) | Municipal administration rail | |
| CN208100189U (en) | A kind of General-purpose capacitor clamping tooling | |
| CN208594737U (en) | A kind of attachment type raise scaffold fall arrest wall-attached supporting seat | |
| CN220353461U (en) | Adjustable diagonal bracing structure for building engineering design | |
| CN216197056U (en) | Auxiliary supporting device for mast steel structure of communication tower | |
| CN216649570U (en) | Connecting piece suitable for photovoltaic board | |
| CN213799649U (en) | Motor train unit electric end door controller convenient to fix | |
| CN216865220U (en) | Building engineering construction is with structure of inlaying of pile foundation | |
| CN220099788U (en) | Stable aluminum alloy flood control wall | |
| CN217634936U (en) | Real-time monitoring device for small and micro wetland construction | |
| CN213745569U (en) | Dredging device for hydraulic engineering convenient to maintenance | |
| CN216156809U (en) | Anti-seismic support for building | |
| CN217216421U (en) | Simple and convenient support is used to house roof photovoltaic engineering | |
| CN217078776U (en) | Support stable deep basal pit supporting construction | |
| CN210273917U (en) | Connecting mechanism of solar cell panel and power distribution cabinet for photovoltaic equipment | |
| CN211007038U (en) | Steel structure net rack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |