CN217227565U

CN217227565U - Automatic stair climbing smoke exhaust machine trolley

Info

Publication number: CN217227565U
Application number: CN202220601768.4U
Authority: CN
Inventors: 杨超翔
Original assignee: Shanghai Troop Precision Machinery Co ltd
Current assignee: Shanghai Troop Precision Machinery Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-08-19
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses an automatic climb stair induced-draft fan dolly belongs to the fire control field of discharging fume, automatic climb stair induced-draft fan dolly, including the main support, the bottom plate is installed to the bottom of main support, one side of main support is equipped with the induced-draft fan, cat ladder device is installed to the bottom of main support, the curb plate is all installed, two to the both sides at bottom plate top the installing frame and solid fixed ring are all installed to the relative one side of curb plate, alternate on the installing frame and install the cylinder, the lower extreme of cylinder alternates in the solid fixed ring just installs first pillar, the bottom cover of first pillar is equipped with the second pillar, the inside of second pillar is provided with the trigger subassembly, still be provided with the automatic control subassembly on the bottom plate. It can realize climbing the in-process of stair, steadily stand the dolly wholly on stair, can not empty, when meetting the step of co-altitude, the dolly can adapt to the adjustment by oneself, and is more convenient during the use.

Description

Automatic stair climbing smoke exhaust machine trolley

Technical Field

The utility model relates to a fire control field of discharging fume, more specifically say, relate to automatic stair discharge fan dolly of climbing.

Background

The force of the smoke exhauster is a weapon for firefighters to fight and control building fire, and the unique blade design can quickly generate a strong airflow to create conditions for positive pressure type air supply. The rapid and effective smoke exhaust and air supply technology is the guarantee for the safety of firemen and fire-trapped personnel;

the current induced-draft fan is installed on a travelling car more, travelling car among the prior art, through setting up motor and special-shaped wheel, have the function that electronic stair were climbed, and the dolly among the prior art can't stop at will at the in-process of climbing stair, just also can't put induced-draft fan and use at step or abrupt slope road surface, and although there is the helping hand of motor at the in-process of climbing stair, still need the manual work to pull the dolly, prevent that its slope from falling down, climb the stair in-process and can't stop at will and mean that the fireman door is not convenient for stop on stair rest and repair.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an automatic stair discharge fan dolly climbs is provided, it can realize climbing the in-process of stair, wholly steadily stands on stair with the dolly, can not empty, when meetting the step of co-altitude, and the dolly can adapt to the adjustment by oneself, and is more convenient during the use.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

Automatic climb stair induced-draft fan dolly, including the main support, the bottom plate is installed to the bottom of main support, one side of main support is equipped with the induced-draft fan, cat ladder device is installed to the bottom of main support, the curb plate is all installed, two to the both sides at bottom plate top install installing frame and solid fixed ring in the relative one side of curb plate, the cylinder is installed to interlude on the installing frame, the lower extreme of cylinder alternates in the solid fixed ring and install first pillar, the bottom cover of first pillar is equipped with the second pillar, the inside of second pillar is provided with the trigger subassembly, still be provided with the automatic control subassembly on the bottom plate.

Further, the trigger assembly includes first pillar bottom with install the spring between the inner wall of second pillar, the pole setting is installed to the bottom of second pillar inner wall, the pole setting alternates in the spring, first micro-gap switch is installed to the bottom of first pillar, the top of pole setting with first micro-gap switch's top contact, just seted up on the first pillar with the through-hole that first micro-gap switch cooperation was used, first micro-gap switch use the circuit pass through the through-hole with cylinder electric connection.

Further, the automatic control subassembly is including installing the casing of middle part on the bottom plate, second micro-gap switch, two are all installed to the both sides of casing second micro-gap switch all through the circuit with cylinder electric connection, the chute has been seted up to the inside of casing, one end in the chute is provided with the ball, two second micro-gap switch's trigger point all sets up in the chute.

Furthermore, a limiting block is inserted into the shell in a threaded manner, and the lower end of the limiting block is higher than the highest point of the ball.

Furthermore, a supporting block is installed at the bottom of the second strut, the cross-sectional area of the lower end face of the supporting block is larger than that of the lower end face of the second strut, and the supporting block is made of protective wear-resistant materials.

Further, the diameter of the lower portion of the first strut is smaller than the diameter of the upper portion thereof, and the diameter of the upper portion of the first strut is larger than the diameter of the lumen of the second strut, the lower portion of the first strut being entirely inside the second strut.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

this scheme is through using the automatic control subassembly, can be when the user stimulates dolly main part to appear inclining, the cylinder is opened in the automation, retract first pillar and second pillar, can open the cylinder automatically and drive first pillar and second pillar and stretch out after the dolly is perpendicular, and can stretch out after suitable length at first pillar and second pillar through triggering the subassembly, the self-closing cylinder, thereby can realize climbing the in-process of stair, can steadily stand on stair, the dolly is when various inclined planes are placed, also can keep perpendicularly.

Drawings

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

FIG. 2 is an exploded view of the main structure of the present invention;

FIG. 3 is a cross-sectional view of a first support column and a second support column of the present invention;

fig. 4 is a schematic view of the external structure of the housing of the present invention;

fig. 5 is a schematic view of the internal structure of the housing of the present invention.

The reference numbers in the figures illustrate:

1. a main support; 2. a base plate; 3. a smoke exhaust machine; 4. a ladder climbing device; 5. a side plate; 6. installing a frame; 7. a fixing ring; 8. a cylinder; 9. a first support; 10. a second support; 11. a spring; 12. erecting a rod; 13. a first microswitch; 14. a through hole; 15. a housing; 16. a second microswitch; 17. a chute; 18. a ball bearing; 19. a limiting block; 20. and (7) a supporting block.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example 1:

referring to fig. 1-5, the automatic stair-climbing smoke exhaust ventilator trolley comprises a main support 1, a bottom plate 2 is mounted at the bottom of the main support 1, a smoke exhaust ventilator 3 is mounted on one side of the main support 1, a ladder climbing device 4 is mounted at the bottom of the main support 1, side plates 5 are mounted on two sides of the top of the bottom plate 2, a mounting frame 6 and a fixing ring 7 are mounted on one opposite sides of the two side plates 5, an air cylinder 8 is mounted on the mounting frame 6 in an inserting mode, the lower end of the air cylinder 8 is inserted in the fixing ring 7 in the inserting mode and is provided with a first support column 9, a second support column 10 is sleeved at the bottom of the first support column 9, a trigger assembly is arranged inside the second support column 10, and an automatic control assembly is further arranged on the bottom plate 2;

use the automatic control subassembly, can appear when the slope in user pulling dolly main part, the cylinder 8 is opened in the automation, retract first pillar 9 and second pillar 10, can open cylinder 8 automatically and drive first pillar 9 and second pillar 10 and stretch out after the dolly is perpendicular, and can stretch out suitable length back at first pillar 9 and second pillar 10 through triggering the subassembly, the cylinder 8 is closed automatically, thereby can realize climbing stair's in-process, can steadily stand on stair, the dolly is when various inclined planes are placed, also can keep perpendicularly.

Referring to fig. 2 and 3, the trigger assembly includes a spring 11 installed between the bottom of the first pillar 9 and the inner wall of the second pillar 10, an upright rod 12 installed at the bottom of the inner wall of the second pillar 10, the upright rod 12 inserted in the spring 11, a first micro switch 13 installed at the bottom of the first pillar 9, the top of the upright rod 12 contacting the top of the first micro switch 13, and the first pillar 9 being provided with a through hole 14 used in cooperation with the first micro switch 13, the first micro switch 13 being electrically connected to the cylinder 8 through the through hole 14 by a circuit;

the cylinder 8 drives the first pillar 9 and the second pillar 10 to stretch out, and in the process of stretching out, after the second pillar 10 contacts the ground, the first pillar 9 moves again and can extrude the spring 11, and the first microswitch 13 in the first pillar is made to touch the vertical rod 12, and the first microswitch 13 triggers the control cylinder 8 to immediately stop stretching out and lock the current length.

Referring to fig. 5, the automatic control assembly includes a housing 15 mounted at the middle part of the bottom plate 2, second micro switches 16 are mounted on two sides of the housing 15, the two second micro switches 16 are electrically connected with the cylinder 8 through a circuit, a chute 17 is formed inside the housing 15, a ball 18 is arranged at one end in the chute 17, and trigger points of the two second micro switches 16 are arranged in the chute 17;

ball 18 in casing 15 receives the slope influence and slides to one side, and when ball 18 striking one side opposite side's second micro-gap switch 16, second micro-gap switch 16 can send the instruction to cylinder 8, starts cylinder 8 and drives first pillar 9 and the second pillar 10 and withdraw, and when the dolly stops and perpendicular back, ball 18 returns under the inclined plane effect of chute 17 and strikes and touch second micro-gap switch 16, and second micro-gap switch 16 sends the instruction to cylinder 8 for cylinder 8 drives first pillar 9 and second pillar 10 and stretches out.

Referring to fig. 5, a limit block 19 is inserted into the housing 15 through a screw thread, and the height of the lower end of the limit block 19 is higher than the height of the highest point of the ball 18;

set up stopper 19 and can make stopper 19 separation ball 18 remove through rotating stopper 19 voluntarily when not needing automatic control cylinder 8, can prevent that ball 18 from triggering second micro-gap switch 16.

Referring to fig. 2, a supporting block 20 is installed at the bottom of the second pillar 10, the cross-sectional area of the lower end surface of the supporting block 20 is larger than that of the lower end surface of the second pillar 10, and the supporting block 20 is made of a protective wear-resistant material;

the supporting block 20 can adapt to a slope road surface, and the contact area with the road surface is larger, so that the trolley with larger friction force is more stable.

Referring to fig. 3, the diameter of the lower portion of the first leg 9 is smaller than the diameter of the upper portion thereof, and the diameter of the upper portion of the first leg 9 is larger than the diameter of the lumen of the second leg 10, the lower portion of the first leg 9 being entirely inside the second leg 10;

the arrangement can limit the moving distance of the first support column 9 in the second support column 10 after the second support column 10 contacts the road surface, prevent the first microswitch 13 and the through hole 14 from being extruded and damaged, ensure the contact force of the first microswitch and the through hole, and prolong the service life.

The working principle is as follows: when the trolley needs to be moved, a user uses the main support 1 to pull the whole trolley to move and incline for a certain angle, the ball 18 in the rear shell 15 slides to one side under the influence of the inclination, when the ball 18 impacts the second microswitch 16 on the other side of one side, the second microswitch 16 can send an instruction to the air cylinder 8, the air cylinder 8 is started to drive the first support column 9 and the second support column 10 to retract, and the whole trolley movement cannot be influenced by the first support column 9 and the second support column 10;

and after the dolly stops and is perpendicular, ball 18 return and striking touching second micro-gap switch 16 under the inclined plane effect of chute 17, second micro-gap switch 16 sends the instruction to cylinder 8 for cylinder 8 drives first pillar 9 and second pillar 10 and stretches out, at the in-process that stretches out, second pillar 10 contact ground back, first pillar 9 removes again and can extrude spring 11, and make its inside first micro-gap switch 13 touch pole setting 12, first micro-gap switch 13 triggers control cylinder 8 and stops to stretch out and lock current length immediately, thereby realized can at stair or other rough road surface, steady rising.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. Automatic climb stair fume extractor dolly, including main support (1), its characterized in that: bottom plate (2) are installed to the bottom of main support (1), one side of main support (1) is equipped with induced-draft fan (3), cat ladder device (4) are installed to the bottom of main support (1), curb plate (5) are all installed, two curb plate (5) relative one side all install installing frame (6) and solid fixed ring (7), cylinder (8) are installed to alternating on installing frame (6), the lower extreme of cylinder (8) alternates in just install first pillar (9) in solid fixed ring (7), the bottom cover of first pillar (9) is equipped with second pillar (10), the inside of second pillar (10) is provided with the trigger subassembly, still be provided with the automatic control subassembly on bottom plate (2).

2. The escalator smoke exhaust machine trolley according to claim 1, wherein: trigger the subassembly and include first pillar (9) bottom with spring (11) of installation between the inner wall of second pillar (10), pole setting (12) are installed to the bottom of second pillar (10) inner wall, pole setting (12) alternate in spring (11), first micro-gap switch (13) are installed to the bottom of first pillar (9), the top of pole setting (12) with the top contact of first micro-gap switch (13), just seted up on first pillar (9) with through-hole (14) that first micro-gap switch (13) cooperation was used, first micro-gap switch (13) use the circuit pass through-hole (14) with cylinder (8) electric connection.

3. The escalator smoke exhaust fan trolley according to claim 1, wherein: automatic control assembly is including installing casing (15) of middle part on bottom plate (2), second micro-gap switch (16), two are all installed to the both sides of casing (15) second micro-gap switch (16) all through the circuit with cylinder (8) electric connection, chute (17) have been seted up to the inside of casing (15), one end in chute (17) is provided with ball (18), two the trigger point of second micro-gap switch (16) all sets up in chute (17).

4. An escalator smoke exhaust trolley according to claim 3, characterized in that: the shell (15) is in threaded connection with a limiting block (19), and the height of the lower end of the limiting block (19) is higher than that of the highest point of the ball (18).

5. The escalator smoke exhaust machine trolley according to claim 1, wherein: the bottom of the second pillar (10) is provided with a supporting block (20), the cross-sectional area of the lower end face of the supporting block (20) is larger than that of the lower end face of the second pillar (10), and the supporting block (20) is made of protective wear-resistant materials.

6. The escalator smoke exhaust machine trolley according to claim 1, wherein: the diameter of the lower part of the first strut (9) is smaller than that of the upper part thereof, and the diameter of the upper part of the first strut (9) is larger than that of the inner cavity of the second strut (10), and the lower part of the first strut (9) is completely inside the second strut (10).