CN217975505U - Safety fixing device suitable for floor entrance to a cave protective device - Google Patents
Safety fixing device suitable for floor entrance to a cave protective device Download PDFInfo
- Publication number
- CN217975505U CN217975505U CN202221536487.1U CN202221536487U CN217975505U CN 217975505 U CN217975505 U CN 217975505U CN 202221536487 U CN202221536487 U CN 202221536487U CN 217975505 U CN217975505 U CN 217975505U
- Authority
- CN
- China
- Prior art keywords
- vertical pipe
- floor
- connecting vertical
- compression
- sliding
- 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
- Road Paving Structures (AREA)
Abstract
The utility model discloses a safe fixing device suitable for floor entrance to a cave protective device, it includes that both ends are arranged in the top of both sides floor respectively and lie in the flexible track of sliding of hollow structure directly over the floor entrance to a cave, the apron is placed at the top of flexible track of sliding, the both ends of apron are fixed with the both ends of flexible track of sliding, rectangular hole is seted up respectively along length direction on the left side of bottom and the right side of flexible track of sliding, rectangular hole width is greater than L type connecting rod diameter and is less than the executor width of sliding; each L-shaped connecting rod penetrates through the corresponding elongated hole to be inserted in the telescopic sliding track in a semi-penetrating manner, the end part of the transverse part of each L-shaped connecting rod is fixedly connected with a corresponding sliding actuator in the telescopic sliding track, the bottom of the vertical part is positioned outside the telescopic sliding track and is fixedly connected with a corresponding floor slab clamping assembly used for clamping a floor slab, a laser range finder facing the corresponding floor slab is arranged on each floor slab clamping assembly, and the laser range finder and the sliding actuator are electrically connected with a main controller.
Description
Technical Field
The utility model relates to a job site entrance to a cave safety protection technical field especially relates to a safety fixing device suitable for floor entrance to a cave protective device.
Background
In the construction process of the building engineering, edge holes with various formats can appear, and the loss of protective facilities is one of the main reasons for high falling of construction safety risks. The traditional floor hole protection adopts a cover plate and reinforcing mesh form to cover and protect. To the floor entrance to a cave, constructor directly places a plank and acts as the apron and cover on the entrance to a cave, do not have other fixed measure to the plank, do not accomplish fine fixed effect, this kind of situation directly leads to a period after, if do not have managers periodic inspection, the apron often can lead to the skew because of certain reason, it is open to lead to the entrance to a cave, thereby constructor's the risk of falling and the risk of falling down have been increaseed greatly, bring very high potential safety hazard for constructor, also bring huge loss and bad social influence for the enterprise simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model discloses problem to prior art existence with not enough, provide a novel safe fixed device that is applicable to floor entrance to a cave protective device, solved fixed not firm, technical pain point such as no feedback of traditional floor entrance to a cave protective device, realized the safe controllable of floor entrance to a cave protection, ensured the steady progress of engineering project's safe efficient.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
the utility model provides a safe fixing device suitable for floor entrance to a cave protective device, its characteristics are that, it includes that both ends are arranged in the top of both sides floor respectively and lie in the flexible slide rail of hollow structure directly over the floor entrance to a cave, the apron has been placed at the top of flexible slide rail, the both ends of apron and the both ends of flexible slide rail pass through fixing bolt fixed connection, rectangular hole has been seted up respectively along length direction on the bottom left side and the right side of flexible slide rail, the width in rectangular hole is greater than the diameter of L type connecting rod and is less than the width of sliding actuator;
each L type connecting rod passes and corresponds the partly interlude in the orbital inside that slides of rectangular hole, each the horizontal portion tip of L type connecting rod slides executor fixed connection, the bottom of vertical portion in the orbital outside that slides that correspond with flexible and with correspond the floor joint subassembly fixed connection that is used for the joint floor, each with the flexible, each of sliding in the track be equipped with on the floor joint subassembly towards the laser range finder who corresponds the floor, two laser range finder and two actuators that slide all are connected with the main control unit electricity.
Preferably, the telescopic sliding track comprises a first sliding track and a second sliding track, one end of the first sliding track is inserted into the second sliding track, and the overlapped part of the first sliding track and the second sliding track forms a telescopic covering area.
Preferably, each floor slab clamping assembly comprises a top connecting vertical pipe, at least one middle connecting vertical pipe, a bottom connecting vertical pipe and a bottom fixing horizontal pipe, the edge of the top surface of the top connecting vertical pipe is fixedly connected with the bottom of the vertical part of the L-shaped connecting rod, a first compression clamping bolt is arranged at the lower side joint end of the top connecting vertical pipe, a first opening matched with the first compression clamping bolt in size is arranged at the upper side of the middle connecting vertical pipe, a second compression clamping bolt is arranged at the lower side joint end, the upper surface of the middle connecting vertical pipe is open, a second opening matched with the second compression clamping bolt in size is arranged at the upper side of the bottom connecting vertical pipe, the upper surface of the bottom connecting vertical pipe is open, and the lower side of the bottom connecting vertical pipe is connected with the bottom fixing horizontal pipe through a circular shaft;
when the first compression clamp bolt is in a compressed state, the lower side of the top connection vertical pipe is inserted into the upper side of the middle connection vertical pipe, and after the first compression clamp bolt on the top connection vertical pipe is positioned at a first open hole position on the middle connection vertical pipe, the first compression clamp bolt is elastically clamped in the first open hole, so that the top connection vertical pipe and the middle connection vertical pipe are spliced;
when the second compression clamp bolt is in a compressed state, the lower side of the middle connecting vertical pipe is inserted into the upper side of the bottom connecting vertical pipe, and after the second compression clamp bolt on the middle connecting vertical pipe is positioned at a second open hole position on the bottom connecting vertical pipe, the second compression clamp bolt is elastically clamped in the second open hole, so that the middle connecting vertical pipe and the bottom connecting vertical pipe are spliced;
the bottom connecting vertical pipe and the bottom fixing transverse pipe are fixed with an L-shaped fixing hoop after the angle of the bottom connecting vertical pipe and the bottom fixing transverse pipe is 90 degrees, so that the angle is in a fixed locking state.
Preferably, the first compression bolt comprises a first compression bolt clamping plate, a first cushion block, a first spring, a first pressing cap and a first outer baffle plate, the lower side joint end of the top connection standpipe is of a solid structure and is provided with a first groove, the top edge inner wall of the first groove is fixedly provided with the first outer baffle plate, the outer side of the inner end part of the first pressing cap is fixedly provided with the first compression bolt clamping plate, one end of the first spring is fixedly connected with the bottom of the first groove, the other end of the first spring is fixedly connected with the inner wall of the first pressing cap, the first compression bolt clamping plate is positioned in the first groove, the first compression bolt clamping plate is provided with a first cushion block, and the first cushion block is clamped between the first compression bolt clamping plate and the first outer baffle plate.
Preferably, the laser range finder is installed on the upper side face of the corresponding bottom connecting vertical pipe, and the ranging direction faces the side face of the corresponding floor slab.
Preferably, the main controller is installed at the bottom edge of the telescopic sliding rail.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses can be better realize the safety protection of entrance to a cave, add the manual regulation means with the information-based means and combine together and make on-the-spot floor entrance to a cave protective cover become standard greatly reduced safety risk by the lack of standardization to guarantee entrance to a cave protector's safety and stability, improved work efficiency, reached the effect of safety control.
Drawings
Fig. 1 is a front view of the safety fixing device of the floor hole protecting facility in accordance with the preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an L-shaped connecting rod and a sliding actuator according to a preferred embodiment of the present invention.
Fig. 3 is a schematic structural view of a top connection standpipe according to a preferred embodiment of the present invention.
Fig. 4 is a schematic structural view of a middle connection standpipe according to a preferred embodiment of the present invention.
Fig. 5 is a schematic structural view of a bottom connecting standpipe according to a preferred embodiment of the present invention.
Fig. 6 is an installation diagram of the first compression latch according to the preferred embodiment of the present invention.
Fig. 7 is a cross-sectional view of a first compression latch according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-7, this embodiment provides a safety fixing device suitable for floor entrance to a cave protective device, and it includes hollow structure's flexible track 4 that slides, the top of both sides floor 1 is arranged respectively and is located directly over the floor entrance to a cave to the flexible track 4 that slides's both ends, apron 3 has been placed at the flexible track 4's top that slides, 2 fixed connection are passed through fixing bolt to the both ends of apron 3 and the flexible track 4's that slides both ends.
The telescopic sliding track 4 comprises a first sliding track positioned on the left side and a second sliding track positioned on the right side, one end of the first sliding track is inserted into the second sliding track, the overlapped parts of the first sliding track and the second sliding track form a telescopic coverage area 5, the bottom of the first telescopic sliding track and the bottom of the second sliding track are respectively provided with a strip hole along the length direction, and the width of each strip hole is greater than the diameter of the L-shaped connecting rod 7 and smaller than the width of the sliding actuator 6.
Each L type connecting rod 7 passes and corresponds the rectangular hole and half alternates in the inside of flexible track 4 that slides, each the executor 6 fixed connection that slides that corresponds in horizontal portion tip and the flexible track 4 that slides of L type connecting rod 7, each the bottom of the vertical portion of L type connecting rod 7 is in the outside of flexible track 4 that slides and with correspond the floor joint subassembly fixed connection who is used for joint floor 1.
Wherein, each the floor joint subassembly includes that the top connects standpipe 8, at least one middle part and connects standpipe 10, bottom connection standpipe 11 and the fixed violently pipe 13 in bottom, the top surface edge of standpipe 8 and the bottom fixed connection of the vertical portion of L type connecting rod 7 are connected to the top, first compression bolt 9 has been laid to the downside termination end position that standpipe 8 is connected at the top, the upside that standpipe 10 is connected at the middle part is equipped with the first trompil 17 of size assorted with first compression bolt 9, the upper surface that standpipe 10 is connected at the middle part is the opening form.
The first compression clamping bolt 9 comprises a first compression clamping bolt clamping plate 19, a first cushion block 20, a first spring 21, a first pressing cap 22 and a first outer baffle 18, the lower side of the top connection vertical pipe 8 is connected with a terminal position and is of a solid structure, a first groove is formed in the terminal position, the first outer baffle 18 is fixed on the inner wall of the top edge of the first groove, the first compression clamping bolt clamping plate 19 is fixed on the outer side of the inner end portion of the first pressing cap 22, one end of the first spring 21 is fixedly connected with the bottom of the first groove, the other end of the first spring is fixedly connected with the inner wall of the first pressing cap 22, the first compression clamping bolt clamping plate 19 is located in the first groove, the first compression clamping bolt clamping plate 19 is provided with the first cushion block 20, the first cushion block 20 is clamped between the first compression clamping bolt clamping plate 19 and the first outer baffle 18, and the first cushion block 20 is used for relieving collision between the first compression clamping bolt 19 and the first outer baffle 18.
The lower side of standpipe 10 is connected at the middle part and is laid the second compression joint bolt 9' (the structure is the same with first compression joint bolt 9) in the end position, the upside that standpipe 11 is connected to the bottom is equipped with the size assorted second trompil 17' with second compression joint bolt 9', the upper surface that standpipe 11 is connected to the bottom is the opening form, the downside that standpipe 11 is connected to the bottom is connected with the fixed violently pipe 13 in bottom through round axle 12.
The upside side-mounting laser range finder 15 of standpipe 11 is connected to each bottom, and the range finding direction is in the face of corresponding floor 1 side, two laser range finder 15 and two executor 6 that slide all are connected with main control unit 16 electricity, main control unit 16 installs in the bottom edge of flexible track 4 that slides.
The lower side of the top connecting vertical pipe 8 is inserted into the upper side of the middle connecting vertical pipe 10, and the first compression bolt 9 is pressed into the top connecting vertical pipe 8 before insertion, so that the insertion of the middle connecting vertical pipe 10 is not influenced; after the first compression latch 9 is located at the position of the first opening 17 on the middle connection vertical pipe 10 on the top connection vertical pipe 8, the first compression latch 9 is loosened, and at the moment, the first compression latch 9 is elastically latched in the first opening 17, so that the top connection vertical pipe 8 and the middle connection vertical pipe 10 are spliced.
The lower side of the middle connecting vertical pipe 10 is inserted into the upper side of the bottom connecting vertical pipe 11, and the second compression bolt 9' is pressed into the middle connecting vertical pipe 10 before insertion, so that the insertion into the bottom connecting vertical pipe 11 is not influenced; after the second compression latch 9' on the middle connection vertical pipe 10 is located at the position of the second opening 17' on the bottom connection vertical pipe 11, the second compression latch 9' is released, and at this time, the second compression latch 9' is elastically latched in the second opening 17', so that the middle connection vertical pipe 10 and the bottom connection vertical pipe 11 are spliced.
The bottom connecting vertical pipe 11 and the bottom fixing horizontal pipe 13 form an angle of 90 degrees, and then an L-shaped fixing hoop 14 is fixed, so that the angle is in a fixed locking state.
In this embodiment, the floor slab 1 has a supporting function for supporting the entire apparatus; the fixing bolt 2 has a fixing and mounting function and is used for fixing and mounting the cover plate 3 and the telescopic sliding track 4; the cover plate 3 has a protection function and is used for protecting and covering the floor slab opening; the flexible track 4 that slides has flexible regulation, the directional function of sliding of track for the operation of directionally sliding about of executor 6 slides, flexible track 4 that slides is rectangular form (cuboid), and rectangular size is greater than the transverse dimension of entrance to a cave, and the remaining face is the closing surface except the bottom, the regional open design in the middle of the bottom (with L type connecting rod phase-match). The telescopic covering area 5 has an adjusting function and is used for adjusting the length of the telescopic sliding track 4 according to the transverse size of the opening; the sliding actuator 6 has the functions of signal receiving and action execution and is used for adjusting the driving device.
The L-shaped connecting rod 7 is used for connecting the sliding actuator 6 and the top connecting vertical pipe 8; the top connecting vertical pipe 8, the middle connecting vertical pipe 10 and the bottom connecting vertical pipe 11 have adjusting functions, and can be lengthened and shortened according to the thickness of the floor slab, wherein the middle connecting vertical pipe 10 has various sizes (1 m, 50cm, 10cm and the like, and can be matched by self).
The compression bolt 9 is used for splicing and fixing the top connecting vertical pipe 8, the middle connecting vertical pipe 10 and the bottom connecting vertical pipe 11; the round shaft 12 can rotate 90 degrees and is used for the rotation adjustment between the bottom connecting vertical pipe 11 and the bottom fixing horizontal pipe 13; the bottom fixing transverse pipe 13 is used for clamping the bottom of the floor slab 1; the L-shaped fixing anchor ear 14 has a right-angle fixing and mounting function, and is used for vertically fixing the bottom connecting vertical pipe 11 and the bottom fixing horizontal pipe 13.
The opening (the size is matched with the compression bolt 9) is positioned on the middle connecting vertical pipe 10 and the bottom connecting vertical pipe 11, is matched with the compression bolt 9 in size and is used for splicing and mounting the connecting vertical pipes; the outer baffle 18 is used for limiting the compression bolt 9 so that the outer part of the compression bolt does not jump out; the compression bolt catch plate 19 is opposite to the outer baffle 18 and is used for fixing the compression bolt 9 so that the outer spring of the compression bolt does not exceed the outer baffle 18. The cushion block 20 is used for buffering collision between the outer baffle 18 and the compression clamping bolt clamping plate 19; the spring 21 has elasticity for compression adjustment of the compression latch 9; the pressing cap 22 is used for fixing the spring 21 and connecting the vertical pipe splicing screens.
The laser distance measuring device 15 has a distance measuring function and is used for monitoring the distance between the connecting vertical pipe and the side face of the floor slab; the main controller 16 has signal transmission, command issuing, and state analysis and judgment functions, and is a central component of the whole apparatus.
The utility model discloses the theory of operation judges the relative distance between fixing device and the floor 1 through main control unit 16, slides the removal that executor 6 drove floor joint subassembly through the drive and fixes floor 1 to make floor entrance to a cave apron 3 and floor 1 be in firm state all the time, thereby guarantee the safe controllable of floor entrance to a cave protection.
The transverse adjustment of the telescopic sliding track 4 is adjusted according to the transverse size of the opening, and the length of the telescopic sliding track is one meter greater than the transverse size of the opening. After the transverse size of the telescopic sliding rail 4 is adjusted, the telescopic sliding rail is fixed on the cover plate 3 through the fixing bolt 2, and the direction of the telescopic sliding rail is parallel to the transverse edge of the cover plate 3.
During installation, the laser distance measuring device 15 measures the distance between the connecting vertical pipe and the corresponding floor slab 1, and sends the result to the main controller 16. The main controller 16 analyzes the information after receiving the information, and judges whether the sliding operation is needed; if the operation is required, a leftward movement instruction is sent to the left sliding actuator 6, a rightward movement instruction is sent to the right sliding actuator 6, the leftward sliding operation is executed after the instruction is received by the left sliding actuator 6, and the rightward sliding operation is executed after the instruction is received by the right sliding actuator 6, so that the L-shaped connecting rod 7, the connecting vertical pipe and the bottom horizontal fixed pipe 13 are driven to perform corresponding movement operation. Until the distance measured by the laser distance measuring device 15 is within the control range, it indicates that the connecting vertical pipe and the bottom fixed horizontal pipe 13 are fixed on the floor slab 1. When the device is disassembled, the operation is reversed.
An example of the operation is as follows:
hereinafter, all node signal transmission adopts wireless/4G network transmission.
Firstly, manually measuring the transverse size of the opening of the floor slab 1, and manually adjusting the telescopic sliding track 4 to the corresponding length. Assuming that the transverse length of the opening is a m, the transverse dimension of the telescopic sliding rail 4 is adjusted to (a + 1) m. After the adjustment is completed, the telescopic sliding track 4 and the cover plate 3 are fixedly installed through the fixing bolt 2.
And secondly, manually measuring the height of the side edge of the floor slab 1 at the hole, and splicing and connecting the vertical pipes according to the height dimension. After the connecting vertical pipes are spliced, the angle of the bottom fixing transverse pipe 13 is adjusted to be perpendicular to the connecting vertical pipes by 90 degrees, and then the connecting vertical pipes are fixed by an L-shaped fixing hoop 14. And after all the devices are installed, covering the device on the hole.
And thirdly, setting the range standard of the distance between the connecting vertical pipe and the floor slab 1 as b. The laser distance meter 15 measures the distance c between the connecting riser and the floor 1 and sends the result c to the main controller 16. The main controller 16 receives the information and then analyzes the information to judge whether the sliding operation is needed: if c is larger than b, the device and the floor slab 1 are in a loosening dangerous state, and adjustment operation is needed; if c is less than or equal to b, the device and the floor slab 1 are in a clamping safe state and do not need to be adjusted. If the operation is needed, the main controller 16 sends a moving instruction to the left and right sliding actuators 6, the left sliding actuator 6 executes the leftward sliding operation after receiving the instruction, and the right sliding actuator 6 executes the rightward sliding operation after receiving the instruction, so as to drive the L-shaped connecting rod 7 and the connecting vertical pipe and the bottom fixed transverse pipe 13 to perform the corresponding moving operation until the distance c measured by the laser range finder 15 is less than or equal to b, which indicates that the connecting vertical pipe and the bottom fixed transverse pipe 13 are fixed on the floor slab 1, and the entrance to the cave protection is in a safe and controllable state.
Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (6)
1. A safety fixing device suitable for a floor hole protection facility is characterized by comprising a telescopic sliding track with a hollow structure, wherein two ends of the telescopic sliding track are respectively arranged at the tops of floors on two sides and are positioned right above a floor hole;
each L type connecting rod passes and corresponds half interlude in the orbital inside that slides of rectangular hole, each the horizontal portion tip of L type connecting rod with the flexible track that slides in correspond executor fixed connection that slides, the bottom of vertical portion be in flexible orbital outside that slides and with correspond the floor joint subassembly fixed connection that is used for the joint floor, each be equipped with the laser range finder towards corresponding the floor on the floor joint subassembly, two the laser range finder and two executor that slide all are connected with the main control unit electricity.
2. The safety fixing device for a floor opening protection facility of claim 1, wherein the telescopic sliding track comprises a first sliding track and a second sliding track, one end of the first sliding track is inserted into the second sliding track, and the overlapped part of the first sliding track and the second sliding track forms a telescopic covering area.
3. The safety fixing device for a floor hole protecting facility according to claim 1, wherein each floor slab clamping assembly comprises a top connecting vertical pipe, at least one middle connecting vertical pipe, a bottom connecting vertical pipe and a bottom fixing horizontal pipe, the edge of the top surface of the top connecting vertical pipe is fixedly connected with the bottom of the vertical part of the L-shaped connecting rod, a first compression bolt is arranged at the lower side joint end position of the top connecting vertical pipe, a first opening matched with the size of the first compression bolt is arranged at the upper side of the middle connecting vertical pipe, a second compression bolt is arranged at the lower side joint end position, the upper surface of the middle connecting vertical pipe is open, a second opening matched with the size of the second compression bolt is arranged at the upper side of the bottom connecting vertical pipe, the upper surface of the bottom connecting vertical pipe is open, and the lower side of the bottom connecting vertical pipe is connected with the bottom fixing horizontal pipe through a circular shaft;
when the first compression clamp bolt is in a compressed state, the lower side of the top connection vertical pipe is inserted into the upper side of the middle connection vertical pipe, and after the first compression clamp bolt on the top connection vertical pipe is positioned at a first open hole position on the middle connection vertical pipe, the first compression clamp bolt is elastically clamped in the first open hole, so that the top connection vertical pipe and the middle connection vertical pipe are spliced;
when the second compression clamp bolt is in a compressed state, the lower side of the middle connecting vertical pipe is inserted into the upper side of the bottom connecting vertical pipe, and after the second compression clamp bolt on the middle connecting vertical pipe is positioned at a second open hole position on the bottom connecting vertical pipe, the second compression clamp bolt is elastically clamped in the second open hole, so that the middle connecting vertical pipe and the bottom connecting vertical pipe are spliced;
the bottom connecting vertical pipe and the bottom fixing transverse pipe are fixed with an L-shaped fixing hoop after the angle of the bottom connecting vertical pipe and the bottom fixing transverse pipe is 90 degrees, so that the angle is in a fixed locking state.
4. The safety fixing device for a floor opening protection facility of claim 3, wherein the first compression bolt comprises a first compression bolt clamping plate, a first cushion block, a first spring, a first pressing cap and a first outer baffle plate, the lower end of the top connection vertical pipe is in a solid structure and is provided with a first groove, the inner wall of the top edge of the first groove is fixedly provided with the first outer baffle plate, the outer side of the inner end part of the first pressing cap is fixedly provided with the first compression bolt clamping plate, one end of the first spring is fixedly connected with the bottom of the first groove, the other end of the first spring is fixedly connected with the inner wall of the first pressing cap, the first compression bolt clamping plate is positioned in the first groove, the first compression bolt clamping plate is provided with the first cushion block, and the first compression bolt clamping plate is clamped between the first compression bolt clamping plate and the first outer baffle plate.
5. The safety-fixing device for a floor opening protecting facility as claimed in claim 1, wherein said laser range finder is installed at an upper side of the corresponding bottom connecting riser with a ranging direction facing the corresponding floor side.
6. A security device adapted for use in a floor opening guard arrangement as claimed in claim 1, wherein said master controller is mounted to the bottom edge of the telescoping glide tracks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221536487.1U CN217975505U (en) | 2022-06-20 | 2022-06-20 | Safety fixing device suitable for floor entrance to a cave protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221536487.1U CN217975505U (en) | 2022-06-20 | 2022-06-20 | Safety fixing device suitable for floor entrance to a cave protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217975505U true CN217975505U (en) | 2022-12-06 |
Family
ID=84273122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221536487.1U Active CN217975505U (en) | 2022-06-20 | 2022-06-20 | Safety fixing device suitable for floor entrance to a cave protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217975505U (en) |
-
2022
- 2022-06-20 CN CN202221536487.1U patent/CN217975505U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20060226314A1 (en) | clamps | |
| JP5771829B2 (en) | Temporary guide rail fixing device | |
| KR20120056694A (en) | Pool of security camera | |
| CN111101751A (en) | Waterproof fender device that encloses of civil engineering construction | |
| CA2818416C (en) | Apparatus and mounting gantry for suspending a component | |
| CN217975505U (en) | Safety fixing device suitable for floor entrance to a cave protective device | |
| CN107580171A (en) | Camera moves support | |
| JP2002138659A (en) | Simple knockdown gondola suspension type work apparatus | |
| KR102123189B1 (en) | Robot for inspecting crack of structure | |
| US12123207B2 (en) | Lintel lift apparatus and method | |
| KR101879679B1 (en) | Fixing device for construction protective net | |
| CN205532717U (en) | Tunnel guard gate anti -overturning device and tunnel guard gate system | |
| KR20100103177A (en) | Apparatus for supporting a tower crane | |
| US3908792A (en) | Passenger carrying assembly | |
| CN204826697U (en) | Railway continuous beam construction safety protective guard strides | |
| KR101766223B1 (en) | the improved guard rail structure is able to chage of the angle | |
| KR20060000012U (en) | Pin needless and install no-impact lug for hand-rail | |
| KR102330065B1 (en) | System for inspecting crack of structure | |
| CN214834999U (en) | A fixed bolster for facing limit entrance to a cave strenghthened type protection | |
| KR102671488B1 (en) | Distribution poles including insulator supports with the function of moving the position of the insulator and removing foreign substances | |
| US1482898A (en) | Scaffold | |
| KR102513266B1 (en) | Method of installing aerial scaffold under a railway bridge | |
| CN107196249A (en) | A kind of para-seismic support of improved cable crane span structure | |
| CN221002067U (en) | Adjustable elevator shaft opening protective door | |
| CN216372861U (en) | Rope saw protection device and rope saw with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |