CN211924042U

CN211924042U - Extension ladder for constructional engineering

Info

Publication number: CN211924042U
Application number: CN201921992134.0U
Authority: CN
Inventors: 张霞林
Original assignee: Anhui Sanxin Building Installation Co ltd
Current assignee: Anhui Sanxin Building Installation Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-11-13
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a telescopic ladder for building engineering, including anti-skidding seat, connecting seat and one-level branch, there is one-level branch one end through the screw connection the connecting seat, the connecting seat has through bolted connection anti-skidding seat, there is the fixed cover of one-level at one-level branch middle part through the screw connection, the fixed cover of one-level is connected with the step through the welded mode, be provided with the locking switch on the step. Has the advantages that: the utility model discloses a set up antiskid seat, one-level branch, second grade branch, tertiary branch, level four branch, the female seat of hinge and the sub-seat of hinge, increased the antiskid function of device, change the straight ladder into the double ladder, the structure is more firm, and the device security is higher, and can carry out the flexible of device as required, has improved the portability of device, and the practicality is stronger.

Description

Extension ladder for constructional engineering

Technical Field

The utility model relates to a building engineering equipment technical field, concretely relates to extension ladder for building engineering.

Background

The scaffold is a working platform which is erected for ensuring that each construction process is smoothly carried out. In the building engineering, some wall surfaces or buildings needing to be operated by climbing are selected as scaffolds or climbing ladders are used as pedestrian passages for upper and lower same walks.

The existing ascending ladder mostly has the defects of large volume, poor portability, straight ladder form, poor stability, insufficient safety performance and incapability of meeting the use requirement.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, provide a telescopic ladder for building engineering now, solved current ladder of ascending a height volume great, the portability is relatively poor, and mostly be the straight ladder form, stability is relatively poor, the not enough problem of security performance.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a telescopic ladder for building engineering, including antiskid seat, connecting seat and one-level branch, there is one-level branch one end through the screw connection the connecting seat, the connecting seat has through bolted connection antiskid seat, there is the fixed cover of one-level branch middle part through the screw connection, the fixed cover of one-level is connected with the step through the welded mode, be provided with the locking switch on the step.

Furthermore, one end of the first-level supporting rod, which is far away from the connecting seat, is connected with a second-level supporting rod, and one end of the second-level supporting rod is connected with a second-level fixing sleeve through a screw.

Through adopting above-mentioned technical scheme, through antiskid seat plays skid-proof effect, through the fixed cover of one-level is connected the step is convenient for scramble, through one-level branch is connected second grade branch is convenient for stretch out and draw back, has improved the portability of device.

Furthermore, one end, far away from the one-level branch, of the second-level branch is connected with a third-level branch, and one end of the third-level branch is connected with a third-level fixing sleeve through a screw.

Through adopting above-mentioned technical scheme, through second grade branch is connected tertiary branch is convenient for stretch out and draw back, has improved the portability of device, through tertiary fixed cover is connected to tertiary branch, plays the effect of fixed stay.

Furthermore, the one end that tertiary branch kept away from secondary branch is connected with level four branch, level four branch one end has the fixed cover of level four through the screw connection.

Through adopting above-mentioned technical scheme, through tertiary branch is connected level four branch is convenient for stretch out and draw back, has improved the portability of device, through level four branch is connected the fixed cover of level four plays the effect of fixed stay.

Furthermore, the four-stage fixing sleeve is connected with a hinge female seat through a screw, the hinge female seat is connected with a hinge sub-seat through a hinge rotating shaft, and a locking handle is connected in the hinge female seat.

By adopting the technical scheme, the straight ladder is converted into the herringbone ladder through the hinge female seat and the hinge sub-seat, the structure is more stable, the safety performance of the device is improved, and the hinge female seat is connected with the locking handle to play a role in locking the hinge female seat and the hinge sub-seat.

Furthermore, an extension spring is connected in the step through a screw, one end of the extension spring is connected with a spring seat through a screw, and the spring seat is connected with a locking rod through threads.

Through adopting above-mentioned technical scheme, through the spring holder connects the check lock pole, plays the effect of extension locking.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

for solving current ladder of ascending a height volume great, the portability is relatively poor, and is mostly straight ladder form, and stability is relatively poor, the not enough problem of security performance, the utility model discloses a set up antiskid seat, one-level branch, second grade branch, tertiary branch, level four branch, the female seat of hinge and hinge sub-seat, increased the anti-skidding function of device, change the straight ladder into the double ladder, the structure is more firm, and the device security is higher, and can carry out the flexible of device as required, has improved the portability of device, and the practicality is stronger.

Drawings

Fig. 1 is a schematic structural view of a telescopic ladder for construction engineering according to the present invention;

fig. 2 is a front view of the telescopic ladder for construction engineering of the present invention;

fig. 3 is a partial sectional view of the extension ladder for construction engineering of the present invention.

The reference numerals are explained below:

1. an anti-slip seat; 2. a connecting seat; 3. a primary strut; 4. a primary fixing sleeve; 5. a step; 6. a secondary strut; 7. a secondary fixing sleeve; 8. a tertiary strut; 9. a third-stage fixing sleeve; 10. a four-stage strut; 11. a four-stage fixing sleeve; 12. a hinge female seat; 13. a hinge sub-base; 14. a locking switch; 15. a hinge shaft; 16. locking the handle; 17. a tension spring; 18. a spring seat; 19. a locking lever.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, the telescopic ladder for construction engineering in this embodiment comprises an anti-slip seat 1, a connecting seat 2 and a primary support rod 3, one end of the primary support rod 3 is connected with the connecting seat 2 through a screw, the connecting seat 2 is connected with the anti-slip seat 1 through a bolt, the middle part of the primary support rod 3 is connected with a primary fixing sleeve 4 through a screw, the primary fixing sleeve 4 is connected with a step 5 through a welding mode, a locking switch 14 is arranged on the step 5, one end of the primary support rod 3 away from the connecting seat 2 is connected with a secondary support rod 6, one end of the secondary support rod 6 is connected with a secondary fixing sleeve 7 through a screw, the anti-slip seat 1 plays an anti-slip role, the step 5 is connected through the primary fixing sleeve 4, the climbing is facilitated, the secondary support rod 6 is connected through the primary support rod 3, the telescopic function, three-level branch 8 one end has tertiary fixed cover 9 through the screw connection, connect three-level branch 8 through second grade branch 6, be convenient for stretch out and draw back, the portability of device has been improved, connect three-level fixed cover 9 through three-level branch 8, play the effect of fixed stay, the one end that second grade branch 6 was kept away from to three-level branch 8 is connected with level four branch 10, level four branch 10 one end has level four fixed cover 11 through the screw connection, connect level four branch 10 through three-level branch 8, be convenient for stretch out and draw back, the portability of device has been improved, connect level four fixed cover 11 through level four branch 10, play the effect of fixed stay.

As shown in fig. 2 and 3, in the embodiment, the four-stage fixing sleeve 11 is connected with the hinge female base 12 through a screw, the hinge female base 12 is connected with the hinge sub-base 13 through the hinge rotating shaft 15, the locking handle 16 is connected in the hinge female base 12, the straight ladder is converted into the herringbone ladder through the hinge female base 12 and the hinge sub-base 13, the structure is more stable, the safety performance of the device is improved, the locking handle 16 is connected through the hinge female base 12, the effect of locking the hinge female base 12 and the hinge sub-base 13 is achieved, the telescopic spring 17 is connected in the step 5 through a screw, one end of the telescopic spring 17 is connected with the spring seat 18 through a screw, the spring seat 18 is connected with the locking rod 19 through a screw thread, the locking rod 19 is connected through the spring seat 18.

The specific implementation process of this embodiment is as follows: during the use, with second grade branch 6 as required, tertiary branch 8, level four branch 10 is taken out, through locking switch 14 with one-level branch 3 and second grade branch 6, second grade branch 6 and tertiary branch 8, tertiary branch 8 and level four branch 10 locking, later open the extension ladder after suitable angle, can be under construction, after finishing using, trigger locking handle 16, with the extension ladder closed back, the locking switch 14 that resets with the extension ladder shrink can, device structural design is reasonable, can stretch out and draw back as required, the portability is stronger, has higher practicality, and through the design of antiskid seat 1 and chevron shape structure, make the device more firm, the security performance is higher.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a telescopic ladder for building engineering which characterized in that: including antiskid seat (1), connecting seat (2) and one-level branch (3), there is one-level branch (3) one end through the screw connection connecting seat (2), there is antiskid seat (1) connecting seat (2) through bolted connection, there is the fixed cover of one-level (4) at one-level branch (3) middle part through the screw connection, the fixed cover of one-level (4) is connected with step (5) through the welded mode, be provided with locking switch (14) on step (5).

2. The extension ladder for construction engineering as claimed in claim 1, wherein: one end of the first-stage supporting rod (3) far away from the connecting seat (2) is connected with a second-stage supporting rod (6), and one end of the second-stage supporting rod (6) is connected with a second-stage fixing sleeve (7) through a screw.

3. The extension ladder for construction engineering as claimed in claim 2, wherein: one end, far away from one-level branch (3), of second grade branch (6) is connected with tertiary branch (8), tertiary branch (8) one end has tertiary fixed cover (9) through the screw connection.

4. A telescopic ladder for construction engineering as claimed in claim 3, wherein: the one end that tertiary branch (8) kept away from secondary branch (6) is connected with level four branch (10), level four branch (10) one end has fixed cover of level four (11) through the screw connection.

5. The extension ladder for construction engineering as claimed in claim 4, wherein: the four-stage fixing sleeve (11) is connected with a hinge female seat (12) through a screw, the hinge female seat (12) is connected with a hinge sub-seat (13) through a hinge rotating shaft (15), and a locking handle (16) is connected in the hinge female seat (12).

6. The extension ladder for construction engineering as claimed in claim 1, wherein: the ladder is characterized in that a telescopic spring (17) is connected into the ladder step (5) through a screw, one end of the telescopic spring (17) is connected with a spring seat (18) through a screw, and the spring seat (18) is connected with a locking rod (19) through threads.