CN214616314U

CN214616314U - Tower crane is with cat ladder convenient to installation

Info

Publication number: CN214616314U
Application number: CN202022652457.4U
Authority: CN
Inventors: 姚慧光
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-11-05
Anticipated expiration: 2030-11-17

Abstract

The utility model provides a cat ladder for tower crane convenient to installation, relates to tower crane cat ladder technical field, concretely relates to improvement of cat ladder for tower crane convenient to installation. The device comprises vertical main rods, transverse climbing rods, a connector and screws, wherein the transverse climbing rods are fixedly mounted on two vertical main rod brackets, the upper end of the connector is sleeved with the vertical main rods, and the screws penetrate through the connector and are fixedly connected with the vertical main rods; a rectangular clamping column and a first screw hole are arranged on the vertical main rod, and third sliding grooves are formed in two sides of the rectangular clamping column; be equipped with positioning mechanism, circular slot, rectangular channel, second screw, first spout, second spout in the connector, the circular slot is established at the both ends of connector, and the rectangular channel is established between two circular slots, and the second screw sets up the both ends tip at the connector, and first spout is established at the left and right sides outer wall of connector, and the second spout is established on the two inner walls of connector, and first spout and second spout are linked together. The utility model discloses convenient and fast is dismantled in the installation.

Description

Tower crane is with cat ladder convenient to installation

Technical Field

The utility model relates to a tower crane cat ladder technical field, concretely relates to tower crane cat ladder's improvement convenient to installation.

Background

Tower cranes, also known as tower cranes, originate in western europe. And the movable arm is arranged on the rotary crane at the upper part of the high-rise tower body. The working space is large, and the device is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. The device consists of a metal structure, a working mechanism and an electrical system. The metal structure comprises a tower body, a movable arm, a base and the like. The working mechanism has four parts of lifting, amplitude variation, rotation and walking. The electric system comprises a motor, a controller, a power distribution cabinet, a connecting circuit, a signal and lighting device and the like.

The operation area of tower crane is in the high altitude, and the operating personnel of tower crane need control whole operation through tower crane's control room, and operating personnel need arrive the control room and just need pass through the climbing cat ladder, because of the tower crane height is very high, required cat ladder quantity is just a lot of, just becomes very inconvenient to the installation of ladder in limited space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tower crane cat ladder convenient to installation to prior art's defect and not enough.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the device comprises a vertical main rod (1), a transverse climbing rod (2), a connector (3) and a screw (4), wherein the vertical main rod (1) is fixedly connected with the transverse climbing rod (2), the vertical main rod (1) is sleeved at the upper end and the lower end of the connector (3), and the screw (4) penetrates through the connector (3) and is fixedly connected with the vertical main rod (1); a rectangular clamping column (11) and a first screw hole (12) are arranged on the vertical main rod (1), and third sliding grooves (111) are formed in two sides of the rectangular clamping column (11); the connecting head is characterized in that a positioning mechanism (31), circular grooves (32), rectangular grooves (33), second screw holes (34), first sliding grooves (35) and second sliding grooves (36) are arranged in the connecting head (3), the circular grooves (32) are arranged at two ends of the connecting head (3), the rectangular grooves (33) are arranged between the two circular grooves (32), the positioning mechanism (31) is communicated with the outer wall and the rectangular grooves (33) of the connecting head (3), the second screw holes (34) are arranged at two end parts of the connecting head (3), the first sliding grooves (35) are arranged on the outer walls of the left side and the right side of the connecting head (3), the second sliding grooves (36) are arranged on two inner walls of the connecting head (3), and the first sliding grooves (35) are communicated with the second sliding grooves (36); positioning mechanism (31) is including pushing away button (311), first spring (312), push rod (313), ejector pad (314), fixture block (315), second spring (316), push the one end fixed connection push rod (313) of button (311), the other end fixedly connected with ejector pad (314) of push rod (313), first spring (312) one end fixed connection is on pushing away button (311), and the other end is fixed in first spout (35) inboardly, fixture block (315) set up on rectangle card post (11), the one end fixedly connected with second spring (316) of fixture block (315), and the other end of second spring (316) is fixed at third spout (111) inboardly.

Furthermore, the outer surface of the transverse climbing rod (2) is provided with anti-skid grains (21). The anti-slip lines (21) can increase the friction force and prevent the danger caused by slip.

Further, perpendicular mobile jib (1) is equipped with two, and is parallel to each other, horizontal pole (2) of climbing are equipped with more than two, and are connected perpendicularly with perpendicular mobile jib (1).

Further, the number of the positioning mechanisms (31) is four. Every two groups fix the vertical main rods (1) at the upper end and the lower end, and the connection stability is ensured.

The utility model discloses a theory of operation: the vertical main rod (1) and the transverse climbing rod (2) can be installed and connected on the ground by a worker, then the installed ladder climbing module is connected through the connector (3), when the connection is carried out, the vertical main rod (1) is inserted into the connector (3), at the moment, the rectangular clamping column (11) on the vertical connecting rod (1) is embedded into the rectangular groove (33), meanwhile, the clamping block (315) arranged on the rectangular clamping column (11) pushes one part of the clamping block (315) into the second sliding groove (36) under the elastic action of the second spring (316), the vertical main rod (1) is preliminarily fixed through the clamping block (315) and the second sliding groove (36), and then the screw (4) is secondarily fixed on the vertical main rod (1) through the second screw hole (34) and the first screw hole (12); when the tower crane is used and needs to be dismantled, the tower crane can be dismantled in a modularized mode, the dismantling workload is reduced, the screws 4 on the connector (3) are unscrewed and taken out during dismantling, the push buttons (311) arranged on the two side faces of the connector (3) are pushed at the time, the push buttons (311) push the clamping blocks (315) out of the second sliding grooves (36) through the push rods (313) and the push blocks (314), and at the time, the vertical main rod (1) can be pulled out of the connector (3).

After the technical scheme is adopted, the utility model discloses beneficial effect does: the staff carries out preliminary location through positioning mechanism (31) when installing fixedly, removes preliminary fixed only need promote when dismantling push button (311) can, make installation and dismantlement process convenient and fast more.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a sectional view of the connection part between the vertical main rod 1 and the connector 3;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic structural view of a transverse climbing rod 2 in the present invention;

FIG. 5 is an enlarged view of FIG. 1 at B;

fig. 6 is an enlarged view of fig. 2 at C.

Description of reference numerals: the vertical main rod 1, the rectangular clamping column 11, the first screw hole 12, the third sliding groove 111, the horizontal climbing rod 2, the anti-skid thread 21, the connector 3, the positioning mechanism 31, the push button 311, the first spring 312, the push rod 313, the push block 314, the clamping block 315, the second spring 316, the circular groove 32, the rectangular groove 33, the second screw hole 34, the first sliding groove 35, the second sliding groove 36 and the screw 4.

Detailed Description

Referring to fig. 1 to 6, the technical solution adopted by the present embodiment is: a ladder stand for a tower crane convenient to install comprises a vertical main rod 1, a transverse climbing rod 2, a connector 3 and a screw 4, wherein the vertical main rod 1 is fixedly connected with the transverse climbing rod 2, the vertical main rod 1 is sleeved at the upper end and the lower end of the connector 3, and the screw 4 penetrates through the connector 3 and is fixedly connected with the vertical main rod 1; the vertical main rod 1 is provided with a rectangular clamping column 11 and a first screw hole 12, and third sliding grooves 111 are formed in two sides of the rectangular clamping column 11; the connector 3 is internally provided with a positioning mechanism 31, circular grooves 32, rectangular grooves 33, second screw holes 34, first sliding grooves 35 and second sliding grooves 36, the circular grooves 32 are arranged at two end parts of the connector 3, the rectangular grooves 33 are arranged between the two circular grooves 32, the positioning mechanism 31 is communicated with the outer wall of the connector 3 and the rectangular grooves 33, the second screw holes 34 are arranged at two end parts of the connector 3, the first sliding grooves 35 are arranged on the outer walls of the left side and the right side of the connector 3, the second sliding grooves 36 are arranged on two inner walls of the connector 3, and the first sliding grooves 35 are communicated with the second sliding grooves 36; the positioning mechanism 31 includes a push button 311, a first spring 312, a push rod 313, a push block 314, a latch 315, and a second spring 316, the one end fixed connection push rod 313 of the push button 311, the other end fixed connection push block 314 of the push rod 313, one end fixed connection of the first spring 312 is on the push button 311, the other end is fixed inside the first sliding groove 35, the latch 315 is arranged on the rectangular latch post 11, one end fixed connection of the latch 315 is provided with the second spring 316, and the other end of the second spring 316 is fixed inside the third sliding groove 111.

Preferably, the outer surface of the transverse climbing rod 2 is provided with anti-slip lines 21, and the anti-slip lines 21 can prevent operators from slipping to cause safety risks in the long-time climbing process.

Preferably, perpendicular mobile jib 1 is equipped with two, and is parallel to each other, horizontal pole 2 of climbing is equipped with more than two, and is connected perpendicularly with perpendicular mobile jib 1.

Preferably, the number of positioning means 31 is four. Every two are organized and fix a position perpendicular mobile jib 1 of upper and lower extreme, have guaranteed connection stability.

The utility model discloses a theory of operation: a worker can install and connect the vertical main rod 1 and the transverse climbing rod 2 on the ground, then connect the installed ladder module through the connector 3, when the connection is performed, the vertical main rod 1 is inserted into the connector 3, at the moment, the rectangular clamping column 11 on the vertical connecting rod 1 is embedded into the rectangular groove 33, meanwhile, the clamping block 315 arranged on the rectangular clamping column 11 pushes a part of the clamping block 315 into the second sliding groove 36 under the elastic action of the second spring 316, the vertical main rod 1 is primarily fixed through the clamping block 315 and the second sliding groove 36, and then the screw 4 secondarily fixes the vertical main rod 1 through the second screw hole 34 and the first screw hole 12; when the tower crane is used and needs to be dismantled, the tower crane can be dismantled in a modularized mode, the dismantling workload is reduced, the screws 4 on the connector 3 are unscrewed and taken out during dismantling, the push buttons 311 arranged on the two side faces of the connector 3 are pushed at the time, the push buttons 311 push the clamping blocks 315 out of the second sliding grooves 36 through the push rods 313 and the push blocks 314, and the vertical main rod 1 can be pulled out of the connector 3 at the time.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a tower is cat ladder for crane convenient to installation which characterized in that: the device comprises a vertical main rod (1), a transverse climbing rod (2), a connector (3) and a screw (4), wherein the vertical main rod (1) is fixedly connected with the transverse climbing rod (2), the vertical main rod (1) is sleeved at the upper end and the lower end of the connector (3), and the screw (4) penetrates through the connector (3) and is fixedly connected with the vertical main rod (1); a rectangular clamping column (11) and a first screw hole (12) are arranged on the vertical main rod (1), and third sliding grooves (111) are formed in two sides of the rectangular clamping column (11); the connecting head is characterized in that a positioning mechanism (31), circular grooves (32), rectangular grooves (33), second screw holes (34), first sliding grooves (35) and second sliding grooves (36) are arranged in the connecting head (3), the circular grooves (32) are arranged at two ends of the connecting head (3), the rectangular grooves (33) are arranged between the two circular grooves (32), the positioning mechanism (31) is communicated with the outer wall and the rectangular grooves (33) of the connecting head (3), the second screw holes (34) are arranged at two end parts of the connecting head (3), the first sliding grooves (35) are arranged on the outer walls of the left side and the right side of the connecting head (3), the second sliding grooves (36) are arranged on two inner walls of the connecting head (3), and the first sliding grooves (35) are communicated with the second sliding grooves (36); positioning mechanism (31) is including pushing away button (311), first spring (312), push rod (313), ejector pad (314), fixture block (315), second spring (316), push the one end fixed connection push rod (313) of button (311), the other end fixedly connected with ejector pad (314) of push rod (313), first spring (312) one end fixed connection is on pushing away button (311), and the other end is fixed in first spout (35) inboardly, fixture block (315) set up on rectangle card post (11), the one end fixedly connected with second spring (316) of fixture block (315), and the other end of second spring (316) is fixed at third spout (111) inboardly.

2. The ladder convenient to install of claim 1, wherein: the outer surface of the transverse climbing rod (2) is provided with anti-skid grains (21).

3. The ladder convenient to install of claim 1, wherein: perpendicular mobile jib (1) is equipped with two, and is parallel to each other, horizontal pole (2) of climbing are equipped with more than two, and are connected perpendicularly with perpendicular mobile jib (1).

4. The ladder convenient to install of claim 1, wherein: the number of the positioning mechanisms (31) is four.