CN217580312U - Dual-purpose anti-falling device for pushing and pulling inspection well - Google Patents
Dual-purpose anti-falling device for pushing and pulling inspection well Download PDFInfo
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- CN217580312U CN217580312U CN202221801710.0U CN202221801710U CN217580312U CN 217580312 U CN217580312 U CN 217580312U CN 202221801710 U CN202221801710 U CN 202221801710U CN 217580312 U CN217580312 U CN 217580312U
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Abstract
The utility model belongs to the technical field of the well lid is prevented falling, concretely relates to dual-purpose anti-falling device of inspection shaft push-and-pull, including the well lid seat, be equipped with a plurality of net mounting hole boards of preventing weighing down on the inside wall of well lid seat, prevent weighing down and be equipped with the couple hole on the net mounting hole board, its characterized in that, well lid seat department is equipped with prevents weighing down the ladder, prevents weighing down the rear end of ladder and prevents weighing down that net mounting hole board is articulated through two first coupling mechanism and two that correspond, prevents down the front end of ladder and prevents weighing down two net mounting hole board connections through two second coupling mechanism and correspondence, prevent that weighing down ladder front end one side is equipped with two respectively directional second coupling mechanism's pull rod. The utility model has the advantages of reasonable structure, safe and convenient use.
Description
Technical Field
The utility model belongs to the technical field of the well lid is prevented falling, concretely relates to dual-purpose anti-falling device of inspection shaft push-and-pull.
Background
In urban construction there are many underground pipes, such as sewers, underground gas pipes, water pipes, power pipes, communication pipes, defense pipes, etc., which have an outlet to the ground at every other section, the section from the pipe to the ground being called a manhole, which is usually level with the ground and is used to cover the manhole, called a manhole cover or a manhole cover. When the well lid is damaged or lost, the pedestrian who can lead to passing falls in the well, takes place danger. In order to solve the problem, the existing well mouth is forced to require to be provided with the anti-falling net, a hook or a hole plate for hanging the anti-falling net is arranged on a well cover seat or a well wall, the anti-falling net can solve the problem that a pedestrian falls, but when the well needs to be lowered, the anti-falling net needs to be firstly disassembled, then a rope or a ladder is carried to enter the well, the well is lowered, the well is discharged, the anti-falling net needs to be reinstalled at the well mouth, and the whole process is complicated in steps, time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dual-purpose anti-falling device of inspection shaft push-and-pull, it sets up dual-purpose anti-falling ladder in manhole cover seat department, can regard as to prevent weighing down the use of frame or as the ladder that the well was used down, and two kinds of forms switch convenient operation.
The utility model provides a scheme that its technical problem adopted is:
the anti-falling device is characterized in that an anti-falling ladder is arranged at the well cover seat, the rear end of the anti-falling ladder is hinged with two corresponding anti-falling net mounting pore plates through two first connecting mechanisms, the front end of the anti-falling ladder is connected with the two corresponding anti-falling net mounting pore plates through two second connecting mechanisms, the anti-falling ladder comprises ladder legs and a plurality of foot bars, a rotating shaft is arranged between the two ladder legs at the rear end of the anti-falling ladder, two pull bars pointing to the second connecting mechanisms respectively are arranged on one side of the front end, a front mounting block and a rear mounting block are arranged on the anti-falling ladder at each pull bar, coaxial pull rod holes are arranged on the two mounting blocks, the pull rod penetrates through the pull rod holes of the two mounting blocks, a stop block is arranged on the outer side of the front part of the pull rod between the two mounting blocks, a compression spring is sleeved on the pull rod between the stop block and the rear mounting block, and a pull rod handle is connected between the rear ends of the two pull bars;
the first connecting mechanism comprises a horizontal base and first L-shaped support plates, a first pore plate is arranged on the horizontal base, a first pore plate mounting hole is formed in the first pore plate, a bolt penetrates through the first pore plate mounting hole and a hook hole to connect the horizontal base with the anti-falling net mounting pore plate at the corresponding position, guide strip holes distributed along the length direction are formed in the bottom of the horizontal base, the horizontal part of the first L-shaped support plate is attached to the bottom of the horizontal base, a first support plate mounting hole is formed in the horizontal part of the first L-shaped support plate, the bolt penetrates through the guide strip holes and the first support plate mounting holes to connect the first L-shaped support plate with the horizontal base, a rotating shaft hole is formed in the vertical part of the first L-shaped support plate, the two first L-shaped support plates are symmetrically arranged, and two ends of a rotating shaft of the anti-falling ladder respectively penetrate through the rotating shaft holes at the adjacent sides to be hinged to the first L-shaped support plates;
the second connecting mechanism comprises a vertical base and a second L-shaped supporting plate, a second hole plate is arranged on the vertical base, a second hole plate mounting hole is formed in the second hole plate, the vertical base is connected with the anti-falling net mounting hole plate in the corresponding position through the second hole plate mounting hole and the hook hole by bolts, a base hole is formed in the vertical base, the vertical part of the second L-shaped supporting plate is attached to one side of the vertical base, a second supporting plate mounting hole is formed in the vertical part of the second L-shaped supporting plate, the bolts penetrate through the base hole and the second supporting plate mounting hole to connect the second L-shaped supporting plate with the vertical base, the horizontal part of the second L-shaped supporting plate points to the anti-falling ladder direction, and when the anti-falling ladder is horizontally arranged, the front ends of the two pull rods are respectively located on the horizontal part of the second L-shaped supporting plate.
The utility model discloses a dual-purpose ladder of preventing weighing down is in the horizontality when preventing weighing down the frame and using, and two pull rods stretch out forward under compression spring's effect, and its front end is located the horizontal part of two second L shape extension boards respectively, prevents weighing down the ladder and can not rotate downwards under the limiting displacement of the horizontal part of second L shape extension board, in case someone falls, prevents weighing down the ladder and can play the effect that blocks.
The utility model discloses a dual-purpose preventing that falls when ladder uses as the ladder, backward pulling pull rod handle, make the front end of pull rod move backward with the horizontal part separation of two second L shape extension boards, prevent falling the ladder and rotate downwards to vertical state and use as the ladder, make things convenient for personnel to go into the well, work in the pit finishes, personnel go out the back of the well along the ladder, backward pulling pull rod handle, rotate ladder to horizontality, loosen the pull rod handle, the front end antedisplacement of two pull rods is until being located the horizontal part of two second L shape extension boards under the compression spring effect, prevent weighing down the ladder and regard as again and prevent weighing down the frame use.
The utility model discloses a dual-purpose ladder of preventing weighing down only needs to stimulate the pull rod handle when switching over the effect, and easy operation is convenient.
The utility model discloses a prevent weighing down net mounting hole board can be the level setting, also can be vertical setting, and first coupling mechanism's first orifice plate, second connection structure's second orifice plate are the same with preventing weighing down the setting of net mounting hole board.
The pull rod of the utility model is preferably arranged at the inner side of the front part of the anti-falling ladder, the installation block for installing the pull rod is arranged at the inner sides of two ladder legs or the inner sides of two foot bars, when the anti-falling ladder is used as the anti-falling frame, the pull rod, the compression spring and the installation block are all positioned at the bottom of the anti-falling ladder, and the falling personnel can not be injured; when the anti-falling ladder is used as a ladder, the pull rod, the compression spring and the mounting block are positioned on the inner side of the anti-falling ladder, so that the influence on personnel on the ladder is small.
The utility model discloses an outside cover of pull rod is equipped with compression spring, and its distance that outwards stretches out is adjustable with the distance of backward pulling, just so can adapt to not unidimensional well lid seat and use, and the length of preventing weighing down the ladder after the hypothesis pull rod is whole to stretch out is an, and the pull rod is the length of preventing weighing down the ladder after retracting completely backward is b, and the front end distance of the horizontal part of the pivot hole center of the first coupling mechanism of installation to the second L shape extension board of the second coupling mechanism that corresponds is c, as long as b < c < a can satisfy the installation requirement.
The utility model discloses a horizontal base bottom of first coupling mechanism is equipped with direction rectangular hole, loosens the bolt after, and first L shape extension board can remove about horizontal base bottom, and the distance between two first L shape extension boards is adjustable promptly, prevents weighing down when two of the first coupling mechanism of installation distance between the net mounting hole board and is less than the width of preventing weighing down the ladder, increases the distance between two first L shape extension boards, otherwise then adjusts the distance between two first L shape extension boards.
After the two ends of the rotating shaft of the anti-falling ladder are arranged in the rotating shaft hole of the first L-shaped support plate, a limit pin or a limit nut needs to be arranged for preventing falling off, and when the limit pin is arranged, the two ends of the rotating shaft are provided with pin holes; when the limiting nut is installed, the two ends of the rotating shaft are threaded sections.
Prevent weighing down the ladder and regard as preventing weighing down when the frame uses, in case there is the pedestrian to fall, under powerful impact force, the front end of pull rod takes place too big left and right sides displacement, can cause the pull rod front end to drop from the horizontal part of second L shape extension board, in order to solve this problem, it is further, the utility model discloses a both sides of the horizontal part of second L shape extension board are equipped with the convex baffle that makes progress.
Furthermore, the utility model discloses a two terraced leg outsides of preventing weighing down ladder are equipped with outside convex horizontally protection frame, and the protection frame is rectangular frame structure.
The utility model discloses a prevent weighing down the ladder and be the rectangle, can have certain space between its both sides and the circular shape well lid seat, and there is certain potential safety hazard in this space, prevents weighing down the ladder both sides and sets up the protection frame, has increaseed the coverage area who prevents weighing down the ladder, uses safelyr.
Further, the utility model discloses a second extension board mounting hole distributes along the vertical portion direction of height of second L shape extension board has a plurality ofly.
Further, the utility model discloses a pivot hole distributes along height and width direction on the vertical portion of first L shape extension board has a plurality ofly, and a plurality of pivot hole symmetry on two first L shape extension boards set up.
The utility model discloses a second extension board mounting hole, pivot hole set up a plurality ofly in the direction of height respectively, can adjust the mounting height who prevents weighing down the ladder, and application scope is wide.
The utility model discloses a pivot hole sets up a plurality ofly at the width direction of first L shape extension board, can change the fore-and-aft position of pivot, and the hypothesis pivot hole sets up 3 at the width direction of first L shape extension board, and the hole distance between the pivot hole of middle pivot hole and both sides is d, and the front end distance of the second L shape extension board of middle pivot hole center to the second coupling mechanism's that corresponds front end distance is c, as long as b < c b < a can satisfy the installation requirement.
The utility model discloses a horizontal base is preferred following two schemes:
1) Further, the utility model discloses a horizontal base is hollow square tubular construction, and the setting of direction rectangular hole is on its diapire.
2) Furthermore, the utility model discloses a horizontal base is the horizontally base plate, is equipped with the rectangular hole of direction that runs through the plate body on the base plate.
The utility model discloses a horizontal part position of second L shape extension board needs correspond with the position of pull rod, and is further, the utility model discloses a base hole of vertical base is transverse distribution's rectangular hole or a plurality of transverse distribution's round hole.
The position of the horizontal part of the second L-shaped support plate can be adjusted to correspond to the position of the pull rod by matching with second support plate mounting holes distributed in the height direction.
The utility model has the advantages of reasonable structure, safe and convenient use. The utility model is used as an anti-falling frame at ordinary times, and is covered on the manhole cover seat to prevent the pedestrian from falling; when the anti-falling ladder needs to be lowered into the well, the pull rod handle is pulled backwards and rotates downwards, the anti-falling ladder can be used as a ladder, a worker can conveniently lower the well, after the worker goes out of the well, the pull rod handle is pulled backwards and rotates the anti-falling ladder to be in a horizontal state, the pull rod handle is loosened, and the whole process is simple in operation, time-saving and labor-saving.
Drawings
Fig. 1 is a schematic front perspective view of embodiment 1 of the present invention;
fig. 2 is a schematic back side perspective view of embodiment 1 of the present invention;
FIG. 3 is a schematic view of the three-dimensional structure of the anti-falling ladder of embodiment 1 of the present invention when used as a ladder;
fig. 4 is a schematic perspective view of a first connecting mechanism according to embodiment 1 of the present invention;
fig. 5 is a schematic view of a second connection mechanism according to embodiment 1 of the present invention;
fig. 6 is a schematic perspective view of embodiment 2 of the present invention;
fig. 7 is a schematic perspective view of embodiment 3 of the present invention.
As shown in the figure: 1. a well cover seat; 2. a rotating shaft hole; 3. installing a pore plate on the anti-falling net; 4. a first orifice plate; 5. a horizontal base; 6. a first L-shaped support plate; 7. ladder legs; 8. a protective frame; 9. a pull rod handle; 10. a compression spring; 11. a second orifice plate; 12. a vertical base; 13. a second L-shaped support plate; 14. a second support plate mounting hole; 15. a base aperture; 16. a pull rod; 17. a baffle plate; 18. a stopper; 19. a foot bar; 20. a rotating shaft; 21. guiding the strip hole; 22. and (7) installing the block.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Example 1
As shown in fig. 1-5: the anti-falling ladder comprises two ladder legs 7 and four foot bars 19, the outer sides of the two ladder legs 7 are respectively provided with a protective frame 8 of a horizontal rectangular frame structure protruding outwards, a rotating shaft 20 is arranged between the two ladder legs 7 at the rear end of the anti-falling ladder, the inner side of the front part of the anti-falling ladder is provided with two pull rods 16 pointing to the second connecting mechanism respectively, the two foot bars 19 at the position of each pull rod 16 are respectively provided with a front mounting block 22 and a rear mounting block 22, the two mounting blocks 22 are provided with coaxial pull rod holes, the pull rod 16 penetrates through the pull rod holes of the two mounting blocks 22, the outer side of the front part of the pull rod between the two mounting blocks 22 is provided with a stop block 18, the stop block 18 and the mounting block 22 at the rear part are provided with an upper compression spring 10, and a handle 16 is connected between the two pull rods 9;
the first connecting mechanism comprises a horizontal base 5 at the upper part and a first L-shaped support plate 6 at the lower part, a horizontal first pore plate 4 is arranged at the rear side of the horizontal base 5, a first pore plate mounting hole is arranged on the first pore plate 4, a bolt penetrates through the first pore plate mounting hole and a hook hole to connect the horizontal base 5 with an anti-falling net mounting pore plate 3 at the corresponding position, the horizontal base 5 is a hollow square pipe structure with two open ends, a guide strip hole 21 is arranged on the bottom wall of the horizontal base along the length direction, the horizontal part of the first L-shaped support plate 6 is attached to the bottom of the horizontal base, a first support plate mounting hole is arranged on the first L-shaped support plate 6, the bolt penetrates through the guide strip hole 21 and the first support plate mounting hole to connect the first L-shaped support plate 6 with the horizontal base 5, 4 rotating shaft holes 2 are arranged on the vertical part of the first L-shaped support plate 6 along the height direction, the width direction and the like, two first L-shaped support plates 6 are symmetrically arranged, two ends of a rotating shaft 20 of the ladder respectively penetrate through the rotating shaft holes 2 at the adjacent side to be hinged with the first L-shaped support plate 6, and two ends of the anti-falling nut are provided with two anti-falling screw sections;
the second connecting mechanism comprises a vertical base 12 and a second L-shaped support plate 13, a horizontal second hole plate 11 is arranged on the vertical base 12, a second hole plate mounting hole is formed in the second hole plate, a bolt penetrates through the second hole plate mounting hole and a hook hole to connect the vertical base 12 with the anti-falling net mounting hole plate 3 in the corresponding position, a base hole 15 is formed in the vertical base 12, the base hole 15 is a long hole in transverse distribution, the vertical portion of the second L-shaped support plate 13 is attached to the vertical base 15, two second support plate mounting holes 14 distributed in the height direction are formed in the vertical portion of the second L-shaped support plate 13, the bolt penetrates through the base hole 15 and the second support plate mounting holes 14 to connect the second L-shaped support plate 13 with the vertical base 15, and upward protruding baffle plates 17 are arranged on two sides of the horizontal portion of the second L-shaped support plate 13.
As shown in fig. 1 and 2: when the anti-falling ladder is used as an anti-falling frame, the anti-falling ladder is in a horizontal state, the two pull rods 16 extend forwards under the action of the compression spring 10, the front ends of the pull rods are respectively positioned on the horizontal parts of the two second L-shaped support plates 13, the anti-falling ladder cannot rotate downwards under the limiting effect of the horizontal parts of the second L-shaped support plates 13, and once a person falls, the anti-falling ladder can play a role in blocking.
As shown in fig. 3: prevent weighing down when the ladder uses as the ladder, pull rod handle 9 is drawn backwards for the front end retrusive of pull rod 16 separates with the horizontal part of two second L shape extension boards 13, prevent weighing down the ladder and rotate downwards to vertical state and use as the ladder, make things convenient for personnel to go into the well, finish when the borehole operation, personnel go out the back along the ladder, pull rod handle 9 is drawn backwards, rotate ladder to horizontal state, loosen pull rod handle 9, the front end antedisplacement of two pull rods 16 is until being located on the horizontal part of two second L shape extension boards 13 under the compression spring effect, prevent weighing down the ladder and regard as again to prevent weighing down the use of frame.
Example 2
As shown in fig. 6, the present embodiment is the same as embodiment 1 except that the base holes 15 are provided as 3 circular holes distributed in the lateral direction.
Method of use
In the embodiment, the transverse position of the second L-shaped support plate 13 is adjusted in use, instead, the second support plate mounting hole 14 is connected with the base hole 15 in different positions after the bolt is disassembled, and the rest is the same as that of the embodiment 1.
Example 3
As shown in fig. 7, the horizontal base 5 of the present embodiment is a horizontal substrate, and the guide elongated hole 21 penetrates the plate body of the substrate, and the other is the same as embodiment 1.
Application method
The method of use of this example is the same as example 1.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. A push-pull dual-purpose anti-falling device for an inspection well comprises a well cover seat, wherein a plurality of anti-falling net mounting pore plates are arranged on the inner side wall of the well cover seat, and hook holes are formed in the anti-falling net mounting pore plates;
the first connecting mechanism comprises a horizontal base and first L-shaped support plates, a first hole plate is arranged on the horizontal base, a first hole plate mounting hole is formed in the first hole plate, a bolt penetrates through the first hole plate mounting hole and a hook hole to connect the horizontal base with the anti-falling net mounting hole plate at the corresponding position, guide strip holes distributed along the length direction are formed in the bottom of the horizontal base, the horizontal part of the first L-shaped support plate is attached to the bottom of the horizontal base, a first support plate mounting hole is formed in the horizontal part of the first L-shaped support plate, the bolt penetrates through the guide strip holes and the first support plate mounting hole to connect the first L-shaped support plate with the horizontal base, a rotating shaft hole is formed in the vertical part of the first L-shaped support plate, the two first L-shaped support plates are symmetrically arranged, and two ends of a rotating shaft of the anti-falling ladder are hinged to the first L-shaped support plates through rotating shaft holes in the adjacent sides respectively;
the second connecting mechanism comprises a vertical base and a second L-shaped supporting plate, a second pore plate is arranged on the vertical base, a second pore plate mounting hole is formed in the second pore plate, a bolt penetrates through the second pore plate mounting hole and the hook hole to connect the vertical base with the anti-falling net mounting pore plate at the corresponding position, a base hole is formed in the vertical base, the vertical part of the second L-shaped supporting plate is attached to one side of the vertical base, a second supporting plate mounting hole is formed in the vertical part of the second L-shaped supporting plate, the bolt penetrates through the base hole and the second supporting plate mounting hole to connect the second L-shaped supporting plate with the vertical base, the horizontal part of the second L-shaped supporting plate points to the anti-falling ladder direction, and when the anti-falling ladder level is set, the front ends of the two pull rods are respectively located on the horizontal part of the second L-shaped supporting plate.
2. The catch well push-pull dual-purpose anti-falling device as claimed in claim 1, wherein two sides of the horizontal portion of the second L-shaped support plate are provided with upwardly protruding blocking plates.
3. The push-pull dual-purpose anti-falling device for the inspection well according to claim 1, characterized in that a horizontal protection frame protruding outwards is arranged on the outer side of two ladder legs of the anti-falling ladder, and the protection frame is of a rectangular frame structure.
4. The dual-purpose anti-falling device for pushing and pulling the inspection well as claimed in claim 1, wherein the second support plate mounting holes are distributed along the height direction of the vertical part of the second L-shaped support plate.
5. The dual-purpose anti-falling device for pushing and pulling the inspection well as claimed in claim 1, wherein a plurality of the rotating shaft holes are distributed on the vertical part of the first L-shaped support plate along the height and width directions, and the plurality of the rotating shaft holes on the two first L-shaped support plates are symmetrically arranged.
6. The catch well push-pull dual-purpose anti-falling device as claimed in claim 1, wherein the horizontal base is a hollow square tube structure, and the guide elongated hole is formed in a bottom wall of the horizontal base.
7. The push-pull fall protection device for inspection wells according to claim 1, wherein the horizontal base is a horizontal base plate, and the base plate is provided with a guide elongated hole penetrating through the plate body.
8. The catch well push-pull dual-purpose anti-falling device according to claim 1, wherein the base hole of the vertical base is a transversely distributed elongated hole or a plurality of transversely distributed round holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221801710.0U CN217580312U (en) | 2022-07-12 | 2022-07-12 | Dual-purpose anti-falling device for pushing and pulling inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221801710.0U CN217580312U (en) | 2022-07-12 | 2022-07-12 | Dual-purpose anti-falling device for pushing and pulling inspection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217580312U true CN217580312U (en) | 2022-10-14 |
Family
ID=83535893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221801710.0U Active CN217580312U (en) | 2022-07-12 | 2022-07-12 | Dual-purpose anti-falling device for pushing and pulling inspection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217580312U (en) |
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2022
- 2022-07-12 CN CN202221801710.0U patent/CN217580312U/en active Active
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