CN213743216U

CN213743216U - Foundation ditch cat ladder convenient to use

Info

Publication number: CN213743216U
Application number: CN202021877890.1U
Authority: CN
Inventors: 蒋凌杰; 蒋伦; 文吉祥
Original assignee: Shenzhen Nengyi Construction Engineering Co ltd
Current assignee: Shenzhen Nengyi Construction Engineering Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-07-20
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to a foundation ditch cat ladder convenient to use, it includes the base, the base includes two fixed plates and polylith connecting plates, polylith the connecting plate is fixed to be set up between two fixed plates, the polylith the length direction of the equal perpendicular to fixed plate of length direction of connecting plate, be provided with the polylith ladder on the base, the length direction of ladder is unanimous with the length direction of connecting plate, the polylith the both ends of ladder are articulated respectively and are set up on two fixed plates, the pin joint is located one side of ladder, still be provided with the restriction piece that is used for restricting the ladder angle on the fixed plate, the one end of base is provided with the fixed subassembly that is used for unable adjustment base. This application has the stair board angle variable, convenient to use's effect.

Description

Foundation ditch cat ladder convenient to use

Technical Field

The application relates to the field of construction equipment, especially, relate to a foundation ditch cat ladder convenient to use.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed; after the foundation pit is excavated, when workers enter the foundation pit for operation, the foundation pit ladder stand is generally needed to enter and exit the foundation pit, and during actual use, a construction party pays more attention to the construction cost and the safety performance of the foundation pit ladder stand.

The current chinese patent with the publication number of authorizing CN210622382U discloses a cat ladder for building deep basal pit construction, and its technical scheme's main points lie in: including the cat ladder body, the cat ladder body comprises a plurality of flier and the billet of two parallels, and the connecting steel column fixedly connected with protection rest bar that has all through welded in one side of the billet of two parallels, the fixed welding in top of cat ladder body has supporting platform, and the fixed welding in top of supporting platform has protective fence, and protective fence's both ends are connected with the protection rest bar that corresponds respectively, and four edges of supporting platform bottom all weld and have the support steel column, the equal fixedly connected with steel sheet in bottom of four support steel columns.

In view of the above-mentioned related art, the inventor considers that there is a defect that the angle of the tread plate on the ladder stand is fixed, which is inconvenient for use.

SUMMERY OF THE UTILITY MODEL

In order to make the step angle variable, convenient to use, this application provides a foundation ditch cat ladder convenient to use.

The application provides a pair of foundation ditch cat ladder convenient to use adopts following technical scheme:

the utility model provides a foundation ditch cat ladder convenient to use, includes the base, the base includes two fixed plates and polylith connecting plate, polylith the connecting plate is fixed to be set up between two fixed plates, the polylith the length direction of the equal perpendicular to fixed plate of length direction of connecting plate, be provided with the polylith ladder on the base, the length direction of ladder is unanimous with the length direction of connecting plate, the polylith the both ends of ladder are articulated respectively and are set up on two fixed plates, and the pin joint is located one side of ladder, still be provided with the restriction piece that is used for restricting the ladder angle on the fixed plate, the one end of base is provided with the fixed subassembly that is used for unable adjustment base.

By adopting the technical scheme, the two fixed plates are parallel to each other, the plurality of connecting plates are vertically arranged on the two fixed plates to directly form the base, and the two ends of the plurality of connecting plates are abutted to the fixed plates, so that the base is stable in structure; the step that sets up on the base provides the supporting role when the staff walks, the both ends of step are articulated with the fixed plate, make the angle of step on the base can be adjusted, when the base sets up on the foundation ditch lateral wall of different gradients, at first adjust the angle of step, then fix the angle after the step adjustment through the restriction piece, make the face of trampling of step parallel with the horizontal plane, the staff's of being convenient for walk, when the foundation ditch in the face of the difference of lateral wall gradient, the step of this cat ladder can change, the effect of convenient to use has.

Preferably, the limiting part comprises a limiting rod, the limiting rod is hinged to one side, far away from the hinge joint of the fixed plate and the ladder plates, of the plurality of ladder plates, the two ends of the limiting rod are provided with insertion rods in a penetrating mode, the limiting part further comprises two limiting discs, the two limiting discs are fixedly arranged at the two ends of the fixed plate respectively, a plurality of limiting holes are formed in the limiting discs, and the insertion rods are in clearance fit with the limiting holes in the limiting discs

Through adopting above-mentioned technical scheme, a plurality of spacing holes that set up on the spacing dish have corresponded the different positions of gag lever post when adjusting the step angle respectively, when restricting the angle of step, use the inclination that the gag lever post can adjust the step, make the step trample face and be on a parallel with the horizontal plane, then insert the inserted bar at gag lever post both ends respectively on the spacing dish at base both ends, to insert the pole inserts in the spacing hole that corresponds, when the staff trampled the step, the step can exert pressure to the inserted bar, make the inserted bar can not drop spacing hole, it has the more stable effect of structure to set up two spacing dishes.

Preferably, the fixed subassembly is including pasting the floor, wear to be equipped with a plurality of expansion bolts on pasting the floor, the one side of pasting the floor is provided with two and founds the piece, two it is provided with the head rod to found between the piece, the length direction of head rod is unanimous with the length direction of step, the tip of base is provided with the second connecting rod, the fixed subassembly is still including the connecting piece that is used for connecting head rod and second connecting rod.

Through adopting above-mentioned technical scheme, when unable adjustment base, at first will paste the floor and laminate appointed fixed position, then will paste the expansion bolts on the floor and twist ground, the head rod that sets up on the floor and the second connecting rod that sets up on the base link together through the connecting piece, the connecting piece can be dismantled, when needs remove the base, only need through the connecting piece disconnection relation of connection between head rod and the second connecting rod alright remove the fixed to the base, have and dismantle convenient effect, further reinforcing the convenience.

Preferably, the connecting piece includes two rings, two the ring all includes fixed station and two arcs, and two arcs all articulate on the fixed station, and the one end that the fixed station was kept away from to two arcs is all fixed and is provided with the riser, one of them wear to be equipped with fixing bolt on the riser, another be provided with on the riser with fixing bolt screw-thread fit's fixation nut, logical groove has been seted up on the fixed station, two connect through the double-end pole between the fixed station.

Through adopting above-mentioned technical scheme, the connecting piece is used for connecting head rod and second connecting rod, two rings on the connecting piece overlap respectively and establish on head rod and second connecting rod, when the cover ring, at first unscrew the fixation nut that sets up between two arc strips, then keep away from two arc strips each other, laminate two arc strips again on the circumference of head rod or second connecting rod, then be close to two arc strips each other, make the riser of two arc strip tip laminate each other, twist fixing bolt in fixation nut at last, make one of them ring cover establish on head rod or second connecting rod, repeat above step, make another ring also overlap, thereby be connected between head rod and the second connecting rod, have the convenient effect of dismantlement.

Preferably, one end of the base, which is far away from the second connecting rod, is provided with a first connecting rod.

Through adopting above-mentioned technical scheme, when meetting cat ladder length not enough, can use the connecting piece to link together two bases to the length of reinforcing cat ladder, further reinforcing the convenience of using.

Preferably, a plurality of mounting holes are formed in the fixing plate, the length direction of each mounting hole is consistent with the width direction of the fixing plate, a connecting pipe is inserted into each mounting hole, a plurality of handrails are fixedly arranged at one ends, far away from the fixing plate, of the connecting pipes, and a positioning piece used for positioning the connecting pipes is arranged on the fixing plate.

Through adopting above-mentioned technical scheme, when the installation handrail, at first insert the mounting hole on the fixed plate with the connecting pipe on the handrail in, then use the position of setting element location connecting pipe again for the connecting pipe can not take place to drop, makes the handrail can dismantle the connection on the staircase, and is more convenient when the transportation.

Preferably, the locating piece includes the locating lever, all seted up the locating hole on fixed plate and the connecting pipe, it is a plurality of the locating hole all with locating lever clearance fit, the fixed locating piece that is provided with of one end of locating lever, the other end of locating lever is inserted and is equipped with the bolt.

Through adopting above-mentioned technical scheme, when fixing a position the connecting pipe, on at first inserting one side of fixed plate with the one end that the locating lever does not have the locating piece, then make the locating lever pass the locating hole on the connecting pipe, wear out the locating lever from the opposite side of fixed plate again, insert the locating lever on the bolt at last for the locating lever can not drop from fixed plate and connecting pipe, has simple structure, convenient to use's advantage.

Preferably, a plurality of anti-skid grains are arranged on the ladder board.

Through adopting above-mentioned technical scheme, the frictional force between staff and the step can be increased to the antiskid line of setting on the step for the staff is difficult for slipping.

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

1. according to the ladder, the ladder plate is hinged on the fixing plate, and then the angle of the ladder plate is limited through the limiting part, so that the treading surface of the ladder plate is parallel to the horizontal plane to a certain extent, the walking of workers is facilitated, and the effect of convenience in use is achieved;

2. according to the ground-sticking board, the first connecting rod is arranged on the ground-sticking board, the second connecting rod is arranged on the base, then the first connecting rod and the second connecting rod are connected through the connecting piece, and the crawling ladder is detachably arranged on the foundation pit, so that the convenience in use is further enhanced;

3. this application sets up the head rod through the one end of keeping away from the second connecting rod at the base, uses the connecting piece can connect head rod and second connecting rod, when needing longer length, the ladder length that increases that can be more convenient, further reinforcing the convenience of cat ladder.

Drawings

FIG. 1 is a schematic block diagram of one embodiment of the present invention;

FIG. 2 is a schematic view of the fixing plate, the limiting member and the armrest according to one embodiment of the present disclosure;

FIG. 3 is a schematic structural view of a fixing assembly according to one embodiment of the present application;

FIG. 4 is a schematic structural diagram of a connector according to one embodiment of the present application;

FIG. 5 is a schematic structural diagram of a positioning member according to an embodiment of the present application.

Description of reference numerals: 1. a base; 11. a fixing plate; 111. mounting holes; 112. a connecting pipe; 113. a handrail; 114. positioning holes; 12. a connecting plate; 13. a step plate; 131. anti-skid lines; 14. a second connecting rod; 2. a limiting member; 21. a limiting disc; 22. a limiting hole; 23. a limiting rod; 231. an insertion rod; 3. a fixing assembly; 31. pasting a floor; 311. an expansion bolt; 312. erecting a block; 313. a first connecting rod; 4. a connecting member; 41. a circular ring; 411. an arc-shaped strip; 412. a vertical plate; 413. fixing the bolt; 414. fixing a nut; 42. a fixed table; 421. a through groove; 422. a double-ended rod; 5. a positioning member; 51. positioning a rod; 52. positioning blocks; 53. and (4) a bolt.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses foundation ditch cat ladder convenient to use. Referring to fig. 1, the base 1 comprises a base 1, the base 1 provides a supporting function for the whole ladder stand, the base 1 comprises two fixing plates 11 and a plurality of connecting plates 12, the length directions of the two fixing plates 11 are perpendicular to the length direction of the connecting plates 12, the connecting plates 12 are fixedly arranged between the two fixing plates 11, and the connecting plates 12 play a connecting role between the two fixing plates 11, so that the fixing plates 11 and the connecting plates 12 form the base 1; one end of the base 1 is provided with a fixing component 3, and when the ladder stand is installed, a worker can fix the base 1 to a predetermined position by using the fixing component 3.

Referring to fig. 1 and 2, be provided with polylith ladder board 13 on base 1, the staff steps on ladder board 13 when walking, be provided with many anti-skidding lines 131 on ladder board 13, anti-skidding line 131 can increase the frictional force between staff and the ladder board 13, the security of ladder board 13 has been promoted to a certain extent, polylith ladder board 13's both ends articulate respectively on two fixed plates 11, the pin joint is one side of ladder board 13, make the angle of ladder board 13 on fixed plate 11 can change, the opposite side of ladder board 13 is articulated with restriction part 2, restriction part 2 is used for restricting the angle of ladder board 13 on base 1, make the angle of ladder board 13 fixed, be difficult for taking place to change because of staff's the trampling.

Referring to fig. 1 and 2, the limiting part 2 includes two limiting discs 21 and a limiting rod 23, the limiting rod 23 is hinged to one side of the plurality of step plates 13 far away from the hinge point of the fixing plate 11 and the step plates 13, the step plates 13 can rotate relative to the limiting rod 23, and further the angle of the step plates 13 can be changed through the limiting rod 23, the two ends of the limiting rod 23 are respectively provided with an insertion rod 231 in a penetrating manner, the two limiting discs 21 are respectively and fixedly arranged at the two ends of the fixing plate 11, the limiting discs 21 are provided with a plurality of limiting holes 22, the insertion rods 231 are in clearance fit with the limiting holes 22 on the limiting discs 21, when the step plates 13 are fixed in angle, the insertion rods 231 at the two ends of the limiting rods 23 are inserted into the corresponding limiting holes 22 on the limiting discs 21, so that the fixing is completed, the fixing structure is simple, and the operation is convenient; when the cat ladder is used to the staff, the effort that the staff produced the step board 13 can be transmitted on inserting pole 231 for inserting pole 231 is during laminating spacing hole 22 firmly, and inserting pole 231 is difficult for droing spacing hole 22, all sets up spacing dish 21 at the both ends of fixed plate 11, makes the connection structure of restriction part 2 more stable, can promote the security performance of cat ladder to a certain extent.

Referring to fig. 1 and 3, the fixing assembly 3 includes a floor 31 and a connector 4, the floor 31 can be attached to the ground, and the contact area between the fixing assembly 3 and the ground is increased, so that the fixing structure is more stable, a plurality of expansion bolts 311 are arranged on the floor 31 in a penetrating manner, each of the plurality of expansion bolts 311 is a special expansion bolt 311, and the screw part of the special expansion bolt is longer than the screw part of a general expansion bolt 311, and can be inserted into a deeper position on the ground, so as to provide a stronger supporting function for the fixing assembly 3, so that the fixing assembly 3 is not easy to be separated from the ground; two vertical blocks 312 are arranged on one surface of the floor attaching plate 31, a first connecting rod 313 is arranged between the two vertical blocks 312, the length direction of the first connecting rod 313 is consistent with that of the ladder plate 13, and the two vertical blocks 312 are arranged, so that the side surface of the first connecting rod 313 is not abutted to the floor attaching plate 31 when the first connecting rod is arranged on the floor attaching plate 31, and the connecting piece 4 is more convenient to install; one end of the base 1 is provided with the second connecting rod 14, the second connecting rod 14 can be connected with the first connecting rod 313 through the connecting piece 4, one end of the base 1 is provided with the first connecting rod 313, the other end is provided with the second connecting rod 14, the first connecting rod 313 on the base can be connected with the second connecting rod 14 on another base 1, when the length of the ladder is insufficient, the two bases 1 can be connected through the method, the length of the ladder is increased, and the convenience in using the ladder is enhanced.

Referring to fig. 3 and 4, the connecting member 4 includes two rings 41, the two rings 41 are respectively sleeved on the first connecting rod 313 and the second connecting rod 14, each of the two rings 41 includes a fixing platform 42 and two arc-shaped strips 411, each of the two arc-shaped strips 411 is hinged on the fixing platform 42, the fixing platform 42 provides a supporting function for the arc-shaped strips 411, when connecting, the two arc-shaped strips 411 can be attached to the first connecting rod 313 or the second connecting rod 14, so that the connecting structure is more stable, the ends of the two arc-shaped strips 411 far away from the fixing platform 42 are respectively fixedly provided with a vertical plate 412, one vertical plate 412 is provided with a fixing bolt 413 in a penetrating way, the other vertical plate 412 is provided with a fixing nut 414 in threaded fit with the fixing bolt 413, after the arc-shaped strips 411 are attached to the first connecting rod 313 or the second connecting rod 14, the arc-shaped strips 411 are rotated, so that the vertical plates 412 at the two ends of the two arc-shaped strips 411 are attached together, then, the fixing bolt 413 on one of the vertical plates 412 is screwed, so that the fixing bolt 413 is turned into the fixing nut 414 on the other vertical plate 412, the buckling action is completed, the through groove 421 is formed in the fixing table 42, the two fixing tables 42 are connected through the double-head rod 422, the double-head rod 422 is a rod body with heads at two ends, two ends of the rod body are respectively inserted into the two through grooves 421, the two heads enable the double-head rod 422 to be free from falling off from the fixing table 42, and the two fixing tables 42 are connected together to achieve the connecting effect.

Referring to fig. 1 and 2, a plurality of mounting holes 111 are formed in the fixed plate 11, the length direction of the mounting holes 111 is consistent with the width direction of the fixed plate 11, connecting pipes 112 are inserted into the mounting holes 111, handrails 113 are fixedly arranged at one ends of the connecting pipes 112 far away from the fixed plate 11, the mounting holes 111 are used for mounting the handrails 113, the handrails 113 are arranged on the fixed plate 11, and when a worker uses the ladder, the worker can obtain a supporting force through the handrails 113, so that the risk that the worker slides down the ladder is avoided to a certain extent, and the safety performance of the ladder is enhanced; the connecting pipe 112 is connected between the armrest 113 and the fixing plate 11, the fixing plate 11 is provided with a positioning member 5 for positioning the connecting pipe 112, and when the armrest 113 is installed, the connecting pipe 112 can be fixed by the positioning member 5 after the connecting pipe 112 is inserted into the installation hole 111, so that the connection structure is more stable.

Referring to fig. 2 and 5, the positioning element 5 includes a positioning rod 51, positioning holes 114 are formed in the fixing plate 11 and the connecting tube 112, the positioning holes 114 are in clearance fit with the positioning rod 51, when the connecting tube 112 is positioned, the positioning rod 51 is inserted into the connecting tube 112 through the positioning hole 114 of the fixing plate 11, and the positioning rod 51 can pass through the connecting tube 112 and then pass through the fixing plate 11 from the other side of the fixing plate 11; a positioning block 52 is fixedly arranged at one end of the positioning rod 51, a bolt 53 is inserted at the other end of the positioning rod 51, when the positioning rod 51 is inserted, the positioning block 52 can prevent the whole positioning rod 51 from being inserted into the positioning hole 114, and after the positioning rod 51 passes through the positioning holes 114, the bolt 53 is inserted into the other end of the positioning rod 51, so that the positioning rod 51 can be prevented from falling off the fixing plate 11 to a certain extent.

The implementation principle of foundation ditch cat ladder convenient to use of this application embodiment is: when the fixing device is used, firstly, the floor attaching plate 31 is attached to the ground at a preset position, then the expansion bolts 311 on the floor attaching plate 31 are screwed into the ground, then the base 1 is attached to the inclined surface of a foundation pit, then the limiting rods 23 are used for adjusting the angles of the plurality of the ladder boards 13, so that the tread surfaces of the ladder boards 13 are parallel to the horizontal plane, and then the inserting rods 231 at the two ends of the limiting rods 23 are inserted into the corresponding limiting holes 22 on the limiting disc 21, so that the angle fixing of the ladder boards 13 is completed; connecting the first connecting rod 313 and the second connecting rod 14 by using a plurality of connecting pieces 4, firstly attaching two arc-shaped strips 411 on the connecting pieces 4 to the side wall of the first connecting rod 313, then attaching vertical plates 412 at the end parts of the two arc-shaped strips 411 together, screwing a fixing bolt 413, sleeving the other ring 41 in the connecting piece 4 on the second connecting rod 14 in the above way, then connecting the other connecting piece 4, and connecting by using a plurality of connecting pieces 4, so that the connecting structure is more stable; finally, the connecting pipe 112 fixedly arranged on the handrail 113 is inserted into the mounting hole 111 on the fixing plate 11, the positioning piece 5 is used for positioning the connecting pipe 112, the positioning rod 51 is inserted into the connecting pipe 112 through the positioning hole 114 on the fixing plate 11, the positioning rod 51 can penetrate through the connecting pipe 112 and then penetrates out of the fixing plate 11 from the other side of the fixing plate 11, the bolt 53 is inserted into the other end of the positioning rod 51 to position the connecting pipe 112, and the mounting of the whole ladder is completed.

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 foundation ditch cat ladder convenient to use which characterized in that: including base (1), base (1) includes two fixed plates (11) and polylith connecting plate (12), polylith connecting plate (12) are fixed to be set up between two fixed plates (11), the polylith the length direction of the equal perpendicular to fixed plate (11) of length direction of connecting plate (12), be provided with polylith ladder board (13) on base (1), the length direction of ladder board (13) is unanimous with the length direction of connecting plate (12), the polylith the both ends of ladder board (13) are articulated respectively to be set up on two fixed plates (11), and the pin joint is located one side of ladder board (13), still be provided with restriction piece (2) that are used for restricting ladder board (13) angle on fixed plate (11), the one end of base (1) is provided with fixed subassembly (3) that are used for unable adjustment base (1).

2. The foundation pit ladder convenient to use of claim 1, characterized in that: restriction piece (2) include gag lever post (23), gag lever post (23) are kept away from fixed plate (11) and one side of step (13) pin joint with polylith step (13) and are articulated, insert pole (231) are all worn to be equipped with at the both ends of gag lever post (23), restriction piece (2) still include two spacing dishes (21), two spacing dishes (21) are fixed the both ends that set up at fixed plate (11) respectively, a plurality of spacing holes (22) have been seted up on spacing dish (21), insert pole (231) and spacing hole (22) clearance fit on spacing dish (21).

3. The foundation pit ladder convenient to use of claim 1, characterized in that: fixed subassembly (3) are including pasting floor (31), wear to be equipped with a plurality of expansion bolts (311) on pasting floor (31), the one side of pasting floor (31) is provided with two and stands piece (312), two it is provided with head rod (313) to stand between piece (312), the length direction of head rod (313) is unanimous with the length direction of ladder board (13), the tip of base (1) is provided with second connecting rod (14), fixed subassembly (3) are still including connecting piece (4) that are used for connecting head rod (313) and second connecting rod (14).

4. The foundation pit ladder convenient to use of claim 3, characterized in that: connecting piece (4) include two rings (41), two ring (41) all include fixed station (42) and two arc strip (411), and two arc strip (411) all articulate on fixed station (42), and the one end that fixed station (42) were kept away from in two arc strip (411) is all fixed and is provided with riser (412), one of them wear to be equipped with fixing bolt (413), another be provided with on riser (412) with fixing bolt (413) screw-thread fit's fixation nut (414), logical groove (421) have been seted up on fixed station (42), two connect through double-end pole (422) between fixed station (42).

5. The foundation pit ladder convenient to use of claim 4, characterized in that: and a first connecting rod (313) is arranged at one end of the base (1) far away from the second connecting rod (14).

6. The foundation pit ladder convenient to use of claim 1, characterized in that: a plurality of mounting holes (111) have been seted up on fixed plate (11), the length direction of mounting hole (111) is unanimous with the width direction of fixed plate (11), mounting hole (111) interpolation is equipped with connecting pipe (112), and is many the one end that fixed plate (11) were kept away from in connecting pipe (112) is fixed and is provided with handrail (113), be provided with setting element (5) that are used for fixing a position connecting pipe (112) on fixed plate (11).

7. The foundation pit ladder convenient to use of claim 6, characterized in that: the positioning piece (5) comprises a positioning rod (51), positioning holes (114) are formed in the fixing plate (11) and the connecting pipe (112), the positioning holes (114) are in clearance fit with the positioning rod (51), a positioning block (52) is fixedly arranged at one end of the positioning rod (51), and a bolt (53) is inserted into the other end of the positioning rod (51).

8. The foundation pit ladder convenient to use of claim 1, characterized in that: the ladder board (13) is provided with a plurality of anti-skid lines (131).