CN218715356U - Entrance to a cave protection safety device convenient to installation - Google Patents
Entrance to a cave protection safety device convenient to installation Download PDFInfo
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- CN218715356U CN218715356U CN202222946773.1U CN202222946773U CN218715356U CN 218715356 U CN218715356 U CN 218715356U CN 202222946773 U CN202222946773 U CN 202222946773U CN 218715356 U CN218715356 U CN 218715356U
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- bracing piece
- safety device
- rod
- piece
- bevel gear
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Abstract
The utility model relates to an entrance to a cave protection safety device convenient to installation belongs to the technical field of entrance to a cave protection, and it includes the backup pad, the below of backup pad is provided with a plurality of feet, all be provided with many supporting legs between backup pad and the foot, the supporting leg includes first bracing piece and second bracing piece, first bracing piece is located the top of second bracing piece, it is articulated between the top of first bracing piece and the backup pad, the bottom of first bracing piece is articulated with the top of second bracing piece, it is articulated between the bottom of second bracing piece and the foot, be provided with the latch device who is used for fixed supporting leg between first bracing piece and the second bracing piece butt end, this application has the effect of the safety device transport of being convenient for.
Description
Technical Field
The application relates to the technical field of entrance to a cave protection, in particular to an entrance to a cave protection safety device convenient to installation.
Background
In the construction of a constructional engineering project, construction holes which are reserved for a building main body due to construction needs often appear, wherein a horizontal hole is a great danger source on a construction site, and the strength and stability of hole protection directly influence the safe production environment on the site.
In order to strengthen the safety protection and achieve the purpose of safe construction, a temporary safety device needs to be arranged at the position of the horizontal hole.
In view of the above-mentioned related art, the inventor thinks that the existing safety device is mostly an integrated reusable structure, and has the defect that the safety device is inconvenient to carry.
SUMMERY OF THE UTILITY MODEL
In order to facilitate the transport of safety device, this application provides an entrance to a cave protection safety device convenient to installation.
The application provides a be convenient for entrance to a cave protection safety device of installation adopts following technical scheme:
the utility model provides an entrance to a cave protection safety device convenient to installation, the camera includes the backup pad, the below of backup pad is provided with a plurality of feet, all be provided with many supporting legs between backup pad and the foot, the supporting leg includes first bracing piece and second bracing piece, first bracing piece is located the top of second bracing piece, it is articulated between the top of first bracing piece and the backup pad, the bottom of first bracing piece is articulated with the top of second bracing piece, it is articulated between the bottom of second bracing piece and the foot, be provided with the latch device that is used for fixed support leg between first bracing piece and the second bracing piece butt end.
By adopting the technical scheme, when the first supporting rod and the second supporting rod are folded together, the safety device occupies small space and is convenient to transport and carry; when the first supporting rod and the second supporting rod are completely unfolded, the clamping device enables the supporting legs to be fixed between the foot plate and the supporting plate, and the supporting plate is supported. Through the structure, the safety device is convenient to carry.
Optionally, the one end that first bracing piece is close to the second bracing piece has been seted up and has been accomodate the groove, the joint groove has been seted up to the one end that the second bracing piece is close to first bracing piece, the joint groove with accomodate the groove and align the setting, clamping device is located and accomodates the inslot, clamping device includes joint piece and joint spring, the one end and the joint piece fixed connection of joint spring, the other end and the head rod of joint spring are at the inner wall fixed connection who accomodates the groove, the outside of second bracing piece is provided with unlocking device.
Through adopting above-mentioned technical scheme, when the joint piece is located the joint inslot, the articulated inefficacy between first bracing piece and the second bracing piece, and then make the articulated between first bracing piece and the backup pad and the articulated inefficacy between second bracing piece and the sole, realized the supporting of supporting leg to the support.
Optionally, the unlocking device comprises a pressing rod and a moving rod, the moving rod and the pressing rod are both located inside the second support rod, the moving rod is connected with the second support rod in a sliding mode along the length direction of the second support rod, the moving rod is connected with the second support rod in a sliding mode perpendicular to the length direction of the second support rod, a connecting rod is hinged between one end of the pressing rod and the moving rod, and the other end of the pressing rod is located on the outer side of the second support rod.
Through adopting above-mentioned technical scheme, press the depression bar to drive the connecting rod and remove, the connecting rod drives the carriage release lever and removes, when the carriage release lever removed along the direction that is close to the joint piece, the carriage release lever promoted the joint piece to accomodating the inslot from the joint groove, realized the unblock of articulated mode between first bracing piece and the second bracing piece.
Optionally, one end of the pressing rod, which is located outside the second supporting rod, is fixedly provided with a pressing block, and a return spring is fixedly arranged between the pressing block and the second supporting rod.
Through adopting above-mentioned technical scheme, when pressing the pressure piece according to pressing down, reset spring contracts, loosens and presses the pressure piece, and reset spring stretches, and reset spring drives and returns the normal position according to the pressure piece, presses the pressure piece to drive and returns the normal position according to the pressure pole, has consequently realized the reseing according to the pressure pole through reset spring.
Optionally, a threaded sleeve is arranged between the second support rod and the foot plate, the threaded sleeve is in threaded connection with the second support rod, a connecting piece is connected between the threaded sleeve and the foot plate, the threaded sleeve is rotatably connected with the connecting piece, the connecting piece is hinged to the foot plate, and a control device is arranged on one side of the threaded sleeve.
Through adopting above-mentioned technical scheme, when rotating the thread bush, the second bracing piece is kept away from or is close to the thread bush removal along thread bush length direction, and then has realized the regulation of supporting leg length.
Optionally, the control device comprises a rotating rod and a fixing plate, the rotating rod is rotatably connected with the fixing plate, a first bevel gear and a second bevel gear are arranged between the rotating rod and the threaded sleeve, the first bevel gear and the second bevel gear are in meshing transmission, the center of the first bevel gear is fixedly connected with the threaded sleeve, and the center of the second bevel gear is fixedly connected with the rotating rod.
Through adopting above-mentioned technical scheme, when the bull stick rotated, second bevel gear rotated, through the meshing of first bevel gear and second bevel gear, drove first gear and thread bush and rotate, provided convenient for the staff adjusts the length of supporting leg.
Optionally, a hand wheel is fixedly arranged at one end of the rotating rod, which is far away from the second bevel gear.
Through adopting above-mentioned technical scheme, when rotating the hand wheel, the hand wheel drives the bull stick and rotates, and the hand wheel provides convenience for the staff rotates the thread bush.
Optionally, a universal wheel with a self-locking device is mounted below the foot plate.
Through adopting above-mentioned technical scheme, when promoting safety device and removing, the universal wheel reduces the friction between entrance to a cave safety device and the ground, and labour saving and time saving has reduced staff's work load.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first supporting rod and the second supporting rod are folded, so that convenience is provided for carrying the hole safety device;
2. the clamping block and the clamping spring are used for realizing the fixation of the first supporting rod and the second supporting rod on the same straight line;
3. through thread bush and second bracing piece threaded connection, realize the regulation to supporting leg length.
Drawings
FIG. 1 is a schematic structural diagram of an opening protection safety device convenient to install according to an embodiment of the present application;
FIG. 2 is a partial cross-sectional view of an embodiment of the present application showing a structure between a threaded sleeve and a control device;
FIG. 3 is a partial cross-sectional view of an embodiment of the present application showing the internal structure of a support leg;
fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.
In the figure, 1, a support plate; 2. supporting legs; 21. a first support bar; 211. a receiving groove; 22. a second support bar; 221. a clamping groove; 222. a moving chamber; 223. a connecting cavity; 3. a clamping device; 31. a clamping block; 32. clamping a spring; 4. an unlocking device; 41. a pressing lever; 411. a pressing block; 412. a return spring; 42. a travel bar; 421. a connecting rod; 5. a threaded sleeve; 51. a connecting member; 52. a first bevel gear; 6. a foot plate; 61. a universal wheel; 7. a control device; 71. a rotating rod; 711. a second bevel gear; 712. a hand wheel; 72. and (7) fixing the plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses entrance to a cave protection safety device convenient to installation.
Referring to fig. 1, an entrance to a cave protection safety device convenient to installation includes a supporting plate 1, a lower surface of the supporting plate 1 is provided with a plurality of supporting legs 2, each supporting leg 2 includes a first supporting rod 21 and a second supporting rod 22, the first supporting rod 21 is located above the second supporting rod 22, an upper end of the first supporting rod 21 is hinged to the supporting plate 1, a lower end of the first supporting rod 21 is hinged to an upper end of the second supporting rod 22, one end, departing from the supporting plate 1, of each supporting leg 2 is provided with a foot plate 6, a threaded sleeve 5 is arranged between an upper surface of the foot plate 6 and the second supporting rod 22, the threaded sleeve 5 is in threaded connection with the second supporting rod 22, a connecting piece 51 is arranged between a lower end of the threaded sleeve 5 and the foot plate 6, the connecting piece 51 is hinged to the foot plate 6, the connecting piece 51 is rotatably connected with the threaded sleeve 5, a universal wheel is mounted on a lower surface of the foot plate 6, and the universal wheel 61 is provided with a self-locking device.
When the safety device is carried, the first support rod 21 and the second support rod 22 are folded together, so that the size of the safety device is reduced, and the safety device is convenient to carry.
Referring to fig. 2, a control device 7 is arranged on one side of a threaded sleeve 5, the control device 7 comprises a rotating shaft and a fixing plate 72, one side of the fixing plate 72 is fixedly connected with the upper surface of a foot plate 6, a rotating rod 71 penetrates through the fixing plate 72 to be rotatably connected with the fixing plate 72, the threaded sleeve 5 is fixedly provided with a first bevel gear 52 in a surrounding manner, the first bevel gear 52 is engaged with a second bevel gear 711, and one end of the rotating rod 71 penetrates through the center of the second bevel gear 711 to be fixedly connected with the second bevel gear 711; the other end of the rotating rod 71 is fixedly provided with a hand wheel 712.
After the safety device is opened and fixed, the hand wheel 712 is rotated, the threaded sleeve 5 is driven to rotate through the engagement of the control device 7, the first bevel gear 52 and the second bevel gear 711, so that the second support rod 22 moves up and down along the vertical direction, and the height of the support plate 1 is adjusted.
Referring to fig. 3, a receiving groove 211 is formed at one end of the first support rod 21 close to the second support rod 22, the first support rod 21 is provided with a clamping device 3 in the receiving groove 211, the clamping device 3 includes a clamping block 31 and a clamping spring 32, one end of the clamping spring 32 is fixedly connected with the inner wall of the receiving groove 211 of the first support rod 21, and the other end of the clamping spring 32 is fixedly connected with the clamping block 31; one end of the second support rod 22 close to the first support rod 21 is provided with a clamping groove 221 adapted to the clamping block 31, and the clamping groove 221 is aligned with the accommodating groove 211.
Referring to fig. 3 and 4, a connecting cavity 223 is formed inside the second support bar 22, a moving cavity 222 is connected between the connecting cavity 223 and the clamping groove 221, and the moving cavity 222 is formed along the length direction of the second support bar 22; the unlocking device 4 is arranged inside the second support rod 22, the unlocking device 4 comprises a pressing rod 41 and a moving rod 42, the moving rod 42 is located in the moving cavity 222 and is in sliding connection with the second support rod 22, the pressing rod 41 and the moving rod 42 are vertically arranged, a connecting rod 421 is hinged between one end of the pressing rod 41 and the moving rod 42, and the connecting rod 421 is located in the connecting cavity 223; the pressing rod 41 penetrates through the second support rod 22 and is connected with the second support rod 22 in a sliding manner, the other end of the pressing rod 41 is located on the outer side of the second support rod 22, a pressing block 411 is fixedly arranged at one end of the pressing rod 41 located on the outer side of the second support rod 22, and a return spring 412 is fixedly arranged between the pressing block 411 and the second support rod 22.
Before dismantling safety device, press down and press piece 411, press piece 411 and pass through press lever 41 and connecting rod 421, drive the carriage release lever 42, press joint piece 31 to receive the inslot 211, inwards promote first bracing piece 21 and second bracing piece 22, make first bracing piece 21 and second bracing piece 22 fold together, make things convenient for safety device's transportation.
The implementation principle of the opening protection safety device convenient to install in the embodiment of the application is as follows: in safety device's handling, first bracing piece 21 and second bracing piece 22 are folded together, when transporting safety device to entrance to a cave department, upwards lift backup pad 1, make first bracing piece 21 and second bracing piece 22 become vertical state, joint piece 31 gets into joint groove 221 under the drive of joint spring 32, and supporting leg 2 and bracing piece, sole 6 are all no longer rotated, and supporting leg 2 plays the effect of support to backup pad 1. Through the technical scheme, the folding and the installation of the safety device are realized, and the safety device is convenient to carry.
The embodiments of the present invention are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an entrance to a cave protection safety device convenient to installation, includes backup pad (1), its characterized in that: the utility model discloses a supporting leg structure, including backup pad (1), the below of backup pad (1) is provided with a plurality of sole (6), all be provided with many supporting legs (2) between backup pad (1) and sole (6), supporting leg (2) are including first bracing piece (21) and second bracing piece (22), first bracing piece (21) are located the top of second bracing piece (22), it is articulated between the top of first bracing piece (21) and backup pad (1), the bottom of first bracing piece (21) is articulated with the top of second bracing piece (22), it is articulated between the bottom of second bracing piece (22) and sole (6), be provided with between first bracing piece (21) and second bracing piece (22) butt end and be used for supporting leg clamping device (3) of fixed (2).
2. An opening protection safety device convenient to install as claimed in claim 1, wherein: first bracing piece (21) are close to the one end of second bracing piece (22) and have been seted up and have been accomodate groove (211), joint groove (221) have been seted up to the one end that second bracing piece (22) are close to first bracing piece (21), joint groove (221) and the setting of lining up of accomodating groove (211), latch device (3) are located and accomodate groove (211), latch device (3) are including joint piece (31) and joint spring (32), the one end and the joint piece (31) fixed connection of joint spring (32), the inner wall fixed connection in accomodating groove (211) is being connected with head rod (421) to the other end of joint spring (32), the outside of second bracing piece (22) is provided with unlocking device (4).
3. An easy-to-install portal protection safety device as claimed in claim 2, wherein: unlocking device (4) are including pressing down on pole (41) and carriage release lever (42), carriage release lever (42) and press down on pole (41) all are located the inside of second bracing piece (22), carriage release lever (42) are along the length direction and second bracing piece (22) sliding connection of second bracing piece (22), carriage release lever (42) perpendicular second bracing piece (22) length direction and second bracing piece (22) sliding connection, it has connecting rod (421) to articulate between the one end of pressing down on pole (41) and carriage release lever (42), the other end of pressing down on pole (41) is located the outside of second bracing piece (22).
4. An opening protection safety device convenient to install as claimed in claim 3, wherein: one end of the pressing rod (41) located outside the second supporting rod (22) is fixedly provided with a pressing block (411), and a return spring (412) is fixedly arranged between the pressing block (411) and the second supporting rod (22).
5. An opening protection safety device convenient to install as claimed in claim 1, wherein: be provided with thread bush (5) between second bracing piece (22) and sole (6), thread bush (5) and second bracing piece (22) threaded connection are connected with connecting piece (51) between thread bush (5) and sole (6), and thread bush (5) are connected with connecting piece (51) rotation, and connecting piece (51) are articulated with sole (6), and one side of thread bush (5) is provided with controlling means (7).
6. An opening protection safety device for facilitating installation according to claim 5, wherein: the control device (7) comprises a rotating rod (71) and a fixing plate (72), the rotating rod (71) is rotatably connected with the fixing plate (72), a first bevel gear (52) and a second bevel gear (711) are arranged between the rotating rod (71) and the threaded sleeve (5), the first bevel gear (52) and the second bevel gear (711) are meshed and matched, the center of the first bevel gear (52) is fixedly connected with the threaded sleeve (5), and the center of the second bevel gear (711) is fixedly connected with the rotating rod (71).
7. An opening protection safety device for facilitating installation according to claim 6, wherein: and a hand wheel (712) is fixedly arranged at one end of the rotating rod (71) departing from the second bevel gear (711).
8. An opening protection safety device convenient to install as claimed in claim 1, wherein: and universal wheels (61) with self-locking devices are arranged below the foot plates (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222946773.1U CN218715356U (en) | 2022-11-01 | 2022-11-01 | Entrance to a cave protection safety device convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222946773.1U CN218715356U (en) | 2022-11-01 | 2022-11-01 | Entrance to a cave protection safety device convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218715356U true CN218715356U (en) | 2023-03-24 |
Family
ID=85608404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222946773.1U Active CN218715356U (en) | 2022-11-01 | 2022-11-01 | Entrance to a cave protection safety device convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218715356U (en) |
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2022
- 2022-11-01 CN CN202222946773.1U patent/CN218715356U/en active Active
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