CN214741043U

CN214741043U - Movable ladder stand for pipe gallery construction

Info

Publication number: CN214741043U
Application number: CN202023348020.8U
Authority: CN
Inventors: 胡从波; 宋贵; 王钧
Original assignee: Sichuan Chengfei Construction Engineering Co ltd
Current assignee: Sichuan Chengfei Construction Engineering Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-16
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a portable cat ladder is used in piping lane construction, including the cat ladder main part, the cat ladder main part includes two stands that are parallel to each other, has many horizontal poles along the even interval welding of length direction of stand between two stands. Be provided with the supporting part that is used for with foundation ditch lateral wall butt on the stand, including two spinal branch vaulting poles, the bracing piece is telescopic rod structure, is provided with the first spacing portion of restriction self length on the bracing piece, and two spinal branch vaulting poles coaxial articulated set up on the lateral wall that two stands kept away from each other, are provided with the spacing portion of the second that is used for restricting bracing piece pivoted on the stand. During the use, transfer the cat ladder main part in the foundation ditch and make cat ladder main part slope, rotate the angle between bracing piece and the stand, make the lateral wall of bracing piece perpendicular to foundation ditch, then extend the bracing piece and make bracing piece and foundation ditch inner wall butt to restriction cat ladder main part activity, the center deflection of cat ladder main part leads to the cat ladder to turn on one's side when effectively avoiding the staff to use, has improved the security in the cat ladder main part use.

Description

Movable ladder stand for pipe gallery construction

Technical Field

The utility model relates to a field of pipeline construction especially relates to portable cat ladder is used in piping lane construction.

Background

Pipe gallery foundation ditch is when the construction, and the cat ladder that the limit was faced in the foundation ditch is used frequently, is indispensable construction auxiliary facilities. Along with the continuous development of the building field, more and more building structures relate to the construction of deep foundation pits.

Patent No. CN212002979U discloses a movable ladder stand for pipe gallery construction, which comprises a fixed ladder and a movable ladder; the fixed ladder comprises a fixed ladder body, a fixed mounting cavity in the fixed ladder body, a fixed pedal in the fixed mounting cavity, sliding grooves on two sides of the fixed mounting cavity, a first fixing piece and a second fixing piece; the movable ladder comprises a movable ladder body, a sliding block, a movable pedal in the movable ladder body, a third fixing piece and an inserting port at the lower part of the movable ladder body; the fixed ladder body is fixed at the bottom of the foundation pit through a first fixing piece, the movable ladder body slides up and down along the sliding groove through a sliding block, and the movable ladder body is fixed at the top of the foundation pit through a third fixing piece; the second fixing piece is matched and spliced with the splicing opening, so that the fixed ladder body is fixed with the movable ladder body.

With respect to the related art among the above, there are the following drawbacks: during the use cat ladder supports and leans on the inner wall of foundation ditch, and when operating personnel removed, the focus was located cat ladder one side in addition, leads to the cat ladder to turn on one's side with leading to easily, leads to operating personnel to fall, and the security is lower.

SUMMERY OF THE UTILITY MODEL

In order to improve the security when user of service when reciprocating, this application provides the construction of piping lane is with portable cat ladder.

The application provides a portable cat ladder is used in piping lane construction adopts following technical scheme:

portable cat ladder is used in piping lane construction, including the cat ladder main part, the cat ladder main part includes two stands that are parallel to each other, two a plurality of and stand vertically horizontal poles have set firmly between the stand, be provided with the supporting part that is used for with the lateral wall butt of foundation ditch on the stand.

Through adopting above-mentioned technical scheme, when the staff need be under construction in the piping lane foundation ditch, transfer the cat ladder main part in the foundation ditch and make cat ladder main part slope, make stand one end and the foundation ditch bottom butt of cat ladder main part, the other end and the lateral wall butt of foundation ditch, then through the opposite side lateral wall butt of supporting part with the foundation ditch, support the cat ladder main part, thereby restriction cat ladder main part activity, the center deflection of cat ladder main part leads to the cat ladder to turn on one's side when effectively avoiding the staff to use, the security in the cat ladder main part use has been improved.

Preferably, the supporting part includes the bracing piece, the bracing piece is telescopic rod structure, the bracing piece includes interior pole and outer pole, the outer pole sets up on the stand and is located the coplanar with the stand, interior pole slides and wears to establish the one end of keeping away from the stand at the outer pole, be provided with on the outer pole and be used for restricting gliding first spacing portion in the pole.

Through adopting above-mentioned technical scheme, when supporting the cat ladder main part, the pole makes the extension of whole bracing piece in the slip, until with the lateral wall butt of foundation ditch opposite side, then slide through pole in the restriction of first spacing portion, improved the stability in the cat ladder main part use, through the length of adjustment bracing piece, make the bracing piece can support the cat ladder main part in the foundation ditch of different diameters, effectively improved the suitability of cat ladder main part.

Preferably, first spacing portion includes the inserted block, the inserted block slides along the length direction of perpendicular to outer pole and sets up in the outer pole, a plurality of slots that supply the inserted block to peg graft are seted up along the even interval of the length direction of self on the lateral wall of interior pole.

Through adopting above-mentioned technical scheme, when interior pole extension, the slot is kept away from to the inserted block when extracting the fixture block, then the extension length of pole in the adjustment, until the lateral wall butt of interior pole and foundation ditch, then insert the inserted block back again, slide in the pole in messenger's inserted block and the restriction of slot gomphosis, effectively improved the stability in the bracing piece use.

Preferably, the outer rod is provided with a slide hole, the insert block is slidably arranged in the slide hole in a penetrating manner, the bottom wall of the insert block is provided with an inclined surface, the inclined surface of the insert block faces to one side close to the upright post, and the outer rod is provided with a first elastic piece used for driving the insert block to be embedded with the insert block.

Through adopting above-mentioned technical scheme, when interior pole outwards pulls out, the inserted block with the slot gomphosis under the effect of first elastic component, continue to stimulate interior pole, interior pole lateral wall orders about the inserted block with the inclined plane contact of inserted block and slides to keeping away from slot one side, until the inner wall butt of interior pole and foundation ditch, the in-process of pole need not the manually operation inserted block in the extension, the process that the pole was more convenient in the messenger extension.

Preferably, the outer rod is hinged to the upright post, and the upright post is provided with a second limiting part for limiting the rotation of the outer rod.

Through adopting above-mentioned technical scheme, when supporting the cat ladder main part, because the foundation ditch degree of depth of difference is different, the cat ladder main part is built the angle difference of accomplishing back self and pit bottom, just can adjust the angle of outer pole and cat ladder main part through rotating the outer pole, makes the bracing piece homoenergetic perpendicular to the lateral wall of foundation ditch in the foundation ditch of difference, has effectively improved the suitability of cat ladder main part.

Preferably, the spacing portion of second includes chuck and fixture block, the chuck sets firmly on the stand and sets up with the hinge axis coaxial line of outer pole, the chuck is close to and is equipped with a plurality of draw-in grooves along self circumference evenly spaced apart on one side lateral wall of outer pole, the mounting groove has been seted up along the direction that is on a parallel with the hinge axis of outer pole on the lateral wall that the outer pole is close to stand one side, the fixture block slides and sets up in the mounting groove be used for with the draw-in groove joint, the fixture block is close to chuck one side and sets up to the sphere, be provided with in the mounting groove and be used for ordering about the outside gliding second elastic component of fixture block.

Through adopting above-mentioned technical scheme, during the angle of adjustment bracing piece, rotate the outer pole, fixture block and draw-in groove gomphosis continue to rotate the outer pole, and the fixture block is ordered about to the mounting groove and slides in the sphere contact of draw-in groove and fixture block, and until rotating the outer pole to perpendicular with the lateral wall of foundation ditch, the second elastic component orders about fixture block and draw-in groove gomphosis, and the restriction outer pole rotates, makes the process of adjustment bracing piece angle more convenient.

Preferably, one end of the upright post is provided with a fixing hook.

Through adopting above-mentioned technical scheme, when using the cat ladder, stretch into the foundation ditch with the cat ladder main part after, with the ground butt at fixed hook and foundation ditch edge to restriction cat ladder main part lapse has effectively improved the stability in the cat ladder main part use.

Preferably, the mounting hole has been seted up on the lateral wall of stand, the fixed hook rotates to set up in the fixed orifices and the axis of rotation is on a parallel with the horizontal pole, the fixed hook rotates to one side and supports with the top butt of mounting hole when certain angle.

By adopting the technical scheme, the fixing hook can extend out from any side of the mounting hole when in use, the ladder stand main body does not need to be reversed, and the applicability of the ladder stand is improved; then with the ground butt at fixed hook and foundation ditch edge, make the top surface butt of fixed hook and mounting hole, the restriction fixed hook activity has improved the stability in the use of curettage.

In summary, the present application includes at least one of the following beneficial technical effects:

the support part is abutted against the side wall of the other side of the foundation pit to support the ladder stand main body, so that the movement of the ladder stand main body is limited, the phenomenon that the ladder stand turns on one side due to the fact that the center of the ladder stand main body deflects when a worker uses the ladder stand main body is effectively avoided, and the safety of the ladder stand main body in the using process is improved;

the angle between the outer rod and the ladder stand main body can be adjusted by rotating the outer rod, so that the support rods can be perpendicular to the side walls of the foundation pit in different foundation pits, and the applicability of the ladder stand main body is effectively improved;

with the ground butt at fixed hook and foundation ditch edge to restriction cat ladder main part lapse has effectively improved the stability in the cat ladder main part use.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present application when it is retracted.

Figure 2 is a partially cut-away schematic view of an embodiment of the present application as deployed.

Fig. 3 is a partial schematic view of a support rod in an embodiment of the present application.

Fig. 4 is a partial schematic view of a second limiting portion in the embodiment of the present application.

Fig. 5 is a partial schematic view of a retainer hook in an embodiment of the present application.

Description of reference numerals: 1. a ladder climbing main body; 11. a column; 12. a cross bar; 2. a support bar; 21. an outer rod; 22. an inner rod; 23. a linkage rod; 3. a first limiting part; 31. a slide hole; 32. inserting a block; 33. a slot; 34. a first elastic member; 4. a second limiting part; 41. a chuck; 42. a clamping block; 43. a card slot; 44. mounting grooves; 45. a second elastic member; 5. a fixed hook; 51. mounting holes; 52. and a third elastic member.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses pipe gallery construction is with portable cat ladder. Referring to fig. 1, a portable cat ladder is used in piping lane construction includes cat ladder main part 1, and cat ladder main part 1 includes two stands 11 that are parallel to each other, and the even interval welding of length direction along stand 11 has many horizontal poles 12 between two stands 11. Be provided with the supporting part that is used for with foundation ditch lateral wall butt on the stand 11, including two spinal branch vaulting poles 2, bracing piece 2 is telescopic rod structure, is provided with the first spacing portion 3 of restriction self length on the bracing piece 2, and two spinal branch vaulting poles 2 coaxial articulated settings are provided with on the lateral wall of two stands 11 mutual removals, are provided with on the stand 11 and are used for restricting the spacing portion 4 of bracing piece 2 pivoted second. When the ladder stand is used, the ladder stand main body 1 is placed into a foundation pit and the ladder stand main body 1 is inclined, the angle between the support rod 2 and the stand column 11 is rotated, the support rod 2 is perpendicular to the side wall of the foundation pit, the support rod 2 is extended to enable the support rod 2 to abut against the inner wall of the foundation pit, so that the ladder stand main body 1 is limited to move, the center of the ladder stand main body 1 is deflected to cause the ladder stand to turn on one side when the ladder stand is effectively prevented from being used by workers, and the safety of the ladder stand main body 1 in the using process is improved.

Referring to fig. 2 and 3, the support rod 2 includes an inner rod 22 and an outer rod 21, the outer rod 21 is hinged to the upright 11, and the inner rod 22 is slidably inserted into one end of the outer rod 21 away from the upright 11. First spacing portion 3 includes inserted block 32, and a slide opening 31 has been seted up along the direction of perpendicular to self length direction at the top that outer pole 21 is close to self expansion end one side, and inserted block 32 slides and wears to establish in slide opening 31, is provided with in the slide opening 31 to be used for driving about the first elastic component 34 of inserted block 32 gliding to outer pole 21, and first elastic component 34 is for drawing yellow in this embodiment, and the one end and the outer pole 21 welding of first elastic component 34, the other end and inserted block 32 welding. A plurality of slots 33 are uniformly arranged on the top wall of the inner rod 22 at intervals along the length direction of the inner rod, and the slots 33 are used for inserting. The bottom of the latch 42 is provided with a ramp facing away from the direction of movement of the inner rod 22 when the inner rod 22 is extended. When interior pole 22 outwards pulled out, interior pole 22 lateral wall and the inclined plane contact of inserted block 32 ordered about inserted block 32 to keeping away from slot 33 one side and slide, until the inner wall butt of interior pole 22 with the foundation ditch, then first elastic component 34 orders about inserted block 32 and the slot 33 gomphosis that corresponds, and the restriction interior pole 22 slides to being close to stand 11 one side, has effectively improved the stability of bracing piece 2 in the use.

Referring to fig. 2 and 4, the second stopper portion 4 includes a chuck 41 and a latch 42. Chuck 41 welds on stand 11 and sets up with the hinge axis coaxial line of outer pole 21, and outer pole 21 has been close to and has been seted up mounting groove 44 along the direction that is on a parallel with the hinge axis of outer pole 21 on the lateral wall of stand 11 one side, and fixture block 42 slides and sets up in mounting groove 44, is provided with in the mounting groove 44 to be used for driving about fixture block 42 outside gliding second elastic component 45, and second elastic component 45 is the spring in this embodiment, and the one end of second elastic component 45 and the diapire welding of mounting groove 44, and the other end and fixture block 42 welding. A plurality of clamping grooves 43 are uniformly arranged on the side wall of the chuck 41 close to the outer rod 21 at intervals along the circumferential direction of the chuck, and are used for clamping the clamping blocks 42, and one side of each clamping block 42 close to the chuck 41 is set to be a spherical surface. When the angle of adjustment bracing piece 2, rotate outer pole 21, fixture block 42 and draw-in groove 43 gomphosis continue to rotate outer pole 21, draw-in groove 43 orders about fixture block 42 with the spherical contact of fixture block 42 and slides to mounting groove 44, it is perpendicular to the lateral wall with the foundation ditch to rotate outer pole 21, fixture block 42 and draw-in groove 43 gomphosis are ordered about to second elastic component 45, restriction outer pole 21 rotates, bracing piece 2's stability in the use has effectively been improved, it is more convenient to make the process of adjustment bracing piece 2 angle simultaneously.

Referring to fig. 2 and 5, a linkage rod 23 coaxially penetrates through the two pillars along the rotation axis direction of the support rod 2, the linkage rod 23 penetrates through the middle of a cross rod 12, and the outer rods 21 at the two sides are coaxially welded with the linkage rod 23, so that the support rods 2 at the two sides can be synchronously rotated by adjusting the support rod 2 at one side, and the operation process is more convenient.

Referring to fig. 2 and 5, a mounting hole 51 is respectively formed in the top of each of the two columns 11 along a direction perpendicular to the cross bar 12 and the column 11, a fixing hook 5 is rotatably disposed in the mounting hole 51, the fixing hook 5 is abutted to the top of the mounting hole 51 when rotating to a certain angle to one side, a third elastic member 52 for driving the fixing hook 5 to rotate in the mounting hole 51 is disposed in the mounting hole 51, in this embodiment, the third elastic member 52 is a torsion spring, one end of the third elastic member 52 is welded to the rotating shaft of the fixing hook 5, and the other end of the third elastic member is welded to the fixing hook 5. When the ladder is used, after the ladder main body 1 extends into a foundation pit, the fixing hook 5 extends out of one side of the mounting hole 51 close to the ground, the fixing hook 5 is abutted to the ground at the edge of the foundation pit, the fixing hook 5 is abutted to the top surface of the mounting hole 51, and the fixing hook 5 is limited to move, so that the ladder main body 1 is limited to slide downwards, and the stability of the ladder main body 1 in the using process is effectively improved. When in use, the fixing hook 5 can extend out from any side of the mounting hole 51, the ladder stand main body 1 does not need to be reversed, and the applicability of the ladder stand is improved. After the ladder stand is folded, the third elastic piece 52 drives the fixing hook 5 to be retracted into the mounting hole 51, so that the process of folding the ladder stand is more convenient.

The implementation principle of this application embodiment portable cat ladder is used in piping lane construction does: when the ladder is used, the ladder body 1 is lowered into a foundation pit, the ladder body 1 is inclined, the fixing hook 5 extends out from one side of the mounting hole 51 close to the ground, the fixing hook 5 is abutted with the ground at the edge of the foundation pit, the fixing hook 5 is abutted with the top surface of the mounting hole 51, the movement of the fixing hook 5 is limited, and therefore the downward sliding of the ladder body 1 is limited; rotating the angle between the outer rod 21 and the upright post 11 to enable the support rod 2 to be perpendicular to the side wall of the foundation pit, and then limiting the rotation of the outer rod 21 through the second limiting part 4; then extend bracing piece 2 and make bracing piece 2 and foundation ditch inner wall butt to through the slip of the interior pole 22 of first spacing portion 3 restriction, thereby restriction cat ladder main part 1 activity, effectively avoid the staff when using the center of cat ladder main part 1 to deflect and lead to the cat ladder to turn on one's side, improved the security in the cat ladder main part 1 use.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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

1. The utility model provides a piping lane construction is with portable cat ladder which characterized in that: including cat ladder main part (1), cat ladder main part (1) includes two stand (11) that are parallel to each other, two set firmly a plurality of horizontal poles (12) with stand (11) vertically between stand (11), be provided with the supporting part that is used for with the foundation ditch lateral wall butt on stand (11).

2. The mobile ladder stand for pipe gallery construction according to claim 1, characterized in that: the supporting part includes bracing piece (2), bracing piece (2) are telescopic rod structure, bracing piece (2) are including interior pole (22) and outer pole (21), outer pole (21) set up on stand (11) and lie in the coplanar with stand (11), the one end of stand (11) is kept away from in pole (22) slip wearing to establish in outer pole (21), be provided with on outer pole (21) and be used for restricting the gliding first spacing portion (3) of pole (22).

3. The mobile ladder stand for pipe gallery construction according to claim 2, characterized in that: first spacing portion (3) are including inserted block (32), inserted block (32) slide along the length direction of perpendicular to outer pole (21) and set up in outer pole (21), a plurality of slots (33) that supply inserted block (32) to peg graft are seted up along the even interval of self length direction on the lateral wall of interior pole (22).

4. The mobile ladder stand for pipe gallery construction of claim 3, characterized in that: seted up slide opening (31) on outer pole (21), inserted block (32) slide and wear to establish in slide opening (31), the diapire of inserted block (32) is provided with the inclined plane, the inclined plane orientation of inserted block (32) is close to stand (11) one side, be provided with on outer pole (21) and be used for driving about first elastic component (34) of inserted block (32) and inserted block (32) gomphosis.

5. The mobile ladder stand for pipe gallery construction according to claim 2, characterized in that: the outer rod (21) is hinged to the upright post (11), and a second limiting part (4) used for limiting the rotation of the outer rod (21) is arranged on the upright post (11).

6. The mobile ladder stand for pipe gallery construction of claim 5, characterized in that: spacing portion of second (4) includes chuck (41) and fixture block (42), chuck (41) set firmly on stand (11) and set up with the hinge axis coaxial line of outer pole (21), a plurality of draw-in grooves (43) have been seted up along self circumference even interval on chuck (41) is close to one side lateral wall of outer pole (21), mounting groove (44) have been seted up along the direction that is on a parallel with the hinge axis of outer pole (21) on the lateral wall that outer pole (21) is close to stand (11) one side, fixture block (42) slide to set up in mounting groove (44) be used for with draw-in groove (43) joint, fixture block (42) are close to chuck (41) one side and set up to the sphere, be provided with in mounting groove (44) and are used for ordering about fixture block (42) outside gliding second elastic component (45).

7. The mobile ladder stand for pipe gallery construction according to claim 1, characterized in that: one end of the upright post (11) is provided with a fixed hook (5).

8. The mobile ladder stand for pipe gallery construction of claim 7, wherein: mounting hole (51) have been seted up on the lateral wall of stand (11), fixed hook (5) rotate to set up in the fixed orifices and rotation axis is on a parallel with horizontal pole (12), fixed hook (5) rotate to one side when certain angle with the top butt of mounting hole (51).