CN210979052U

CN210979052U - Lifting frame for detecting air outlet of central air conditioner

Info

Publication number: CN210979052U
Application number: CN201921733861.5U
Authority: CN
Inventors: 董琦敏; 孙傅永; 王斌
Original assignee: Zhejiang Xinhong Testing Technology Co ltd
Current assignee: Zhejiang Xinhong Testing Technology Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-07-10
Anticipated expiration: 2029-10-16

Abstract

The utility model provides a crane for central air conditioning air outlet detects, connect in the tripod landing leg of base down including lower base and rotation, through-hole one and through-hole two that link up about the middle part of base is seted up down, wear to be equipped with lift platform in the through-hole one, install hollow rotary mechanism in the through-hole two, lift platform's one end cover is in rotary mechanism, the last clamping mechanism who is provided with fixed detecting instrument of lift platform. The utility model discloses rational in infrastructure, simple manufacture just has efficient operability, can carry better when the workman detects and remove and go up and down.

Description

Lifting frame for detecting air outlet of central air conditioner

Technical Field

The utility model relates to a check out test set accessory technical field specifically is a crane for central air conditioning air outlet detects.

Background

With the implementation of the sanitation management method for the centralized air conditioning ventilation system in the public places, the air detection of the central air conditioning air outlet is needed to prevent the propagation of air-borne diseases in the public places and ensure the sanitary quality of the delivered air. The detection items are as follows: legionella pneumophila, the total bacterial count and bacterial colony in air supply, the total fungal count in air supply, hemolytic streptococcus in air supply, pipeline internal surface microorganism, the dust amount of the internal surface of an air pipe, the once-through purification efficiency or disinfection effect of the microorganism of an air purification and disinfection device, the once-through purification efficiency of particles of the air purification and disinfection device and the purification efficiency under continuous operation conditions, device resistance, fresh air volume, inhalable particles (PM10), ozone, TVOC and the like, and relevant detection instruments are required to be used for data detection.

Because central air conditioning's air outlet sets up in furred ceiling department, the unable bare-handed detection instrument that uses of people's height usually all needs complementary unit to place the detection instrument in central air conditioning air outlet department, and the staff carries out this detection achievement at present, all utilizes cat ladder and two people's cooperation just can accomplish the detection task, and climbs one from top to bottom and has the potential safety hazard, and two detection instruments also can collide with easily when carrying from top to bottom.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crane for central air conditioning air outlet detects to solve artifical climbing and the inconvenient problem of placing of detecting instrument, utilize simple mechanical structure to realize detecting instrument's lift and detect, also be convenient for manual operation and transport simultaneously.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a crane for central air conditioning air outlet detects, includes base and the tripod landing leg of rotation connection in base down, the middle part of base is seted up at the lower part and is had a through-hole one and a through-hole two that link up from top to bottom, wear to be equipped with lift platform in the through-hole one, install hollow rotary mechanism in the through-hole two, lift platform's one end cover is in rotary mechanism, the last clamping mechanism who is provided with fixed detecting instrument of lift platform.

Preferably, the rotating mechanism comprises a first bearing, the first bearing is fixedly installed in the second through hole, an outer cylinder is fixedly sleeved on an inner ring of the first bearing, and an inner threaded portion is arranged in the outer cylinder.

Preferably, the lifting platform comprises an upper base and an inner rod, a disc groove is formed in the bottom surface of the upper base inwards, a second bearing is fixedly mounted in the disc groove, one end of the inner rod is fixedly arranged on an inner ring of the second bearing in a penetrating mode, the other end of the inner rod is arranged in an outer barrel, an external thread portion is arranged on the outer portion of the inner rod, and the external thread portion and the internal thread portion are matched and screwed mutually.

Preferably, the clamping mechanism comprises two sliding grooves and two sliding plates, the sliding grooves are parallelly arranged on the upper surface of the upper base, T-shaped feet are arranged at two ends of each sliding plate and slide in the sliding grooves, two elastic belts are arranged between the two sliding plates and respectively located at two ends of each sliding plate, and a plurality of suckers are arranged on two surfaces, close to each other, of the two sliding plates.

Preferably, two symmetrical clamping holes are formed in the outer rings of the bearing I and the bearing II, two pin shafts are arranged in the upper base and the lower base respectively, and the pin shafts are nailed into the clamping holes from the outer wall of the upper base or the outer wall of the lower base.

Preferably, the upper base is provided with symmetrical vertically penetrating limiting holes, the upper surface of the lower base is provided with threaded holes at positions opposite to the limiting holes, limiting rods penetrate through the limiting holes, and the limiting rods penetrate through the ends of the limiting holes to be in threaded connection with the threaded holes.

Preferably, a flange for rotating the outer cylinder is fixedly connected to the outer wall of the outer cylinder.

Preferably, the tripod leg is provided with a universal wheel with a brake pad.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the inner rod can be screwed out under the threaded fit by rotating the outer barrel, and the upper base can be changed from the original upward rotation into upward translation through the limitation of the limiting rod and the arrangement of the bearing II, so that the stable rising of a detection instrument is ensured, and the stability is facilitated;

2. the pin shaft is nailed into the outer ring clamping holes of the first bearing and the second bearing, so that the outer rings of the first bearing and the second bearing can be effectively fixed, the phenomenon that the upper base or the lower base rotates but the outer cylinder does not rotate is prevented, and the stability of the tripod leg, the upper base and the lower base is guaranteed;

3. the tripod legs are provided with universal wheels and brake pads are arranged on the outward wheels, so that the detection positions can be fixed and can be quickly replaced, the moving speed is increased, and the physical strength of manual carrying is reduced;

4. because the initial state is that upper base and lower base are laminated each other, interior pole is arranged in the urceolus, so the overall height of crane diminishes, and the tripod landing leg can expand, also can further reduce the volume of crane, does benefit to the workman and carries.

Drawings

FIG. 1 is a cross-sectional view of the initial state of the embodiment;

FIG. 2 is a sectional view showing a raised state of the embodiment.

Reference numerals: 1. a lower base; 2. a tripod leg; 3. a first through hole; 4. a second through hole; 5. a lifting platform; 51. an upper base; 511. a disc groove; 512. a limiting hole; 52. an inner rod; 53. a second bearing; 6. a rotation mechanism; 61. a first bearing; 62. an outer cylinder; 7. a clamping mechanism; 71. a chute; 72. a slide plate; 721. a T-shaped foot; 73. an elastic band; 74. a suction cup; 8. a clamping hole; 9. a pin shaft; 10. a limiting rod; 11. a threaded hole; 12. a flange plate; 13. a universal wheel.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the lifting frame for detecting the air outlet of the central air conditioner comprises a tripod leg 2 and a lower base 1 which are rotatably connected with the lower base 1, wherein the tripod leg is provided with a universal wheel 13 with a brake block, so that the whole lifting frame can be conveniently displaced; the middle part of the lower base 1 is provided with a first through hole 3 and a second through hole 4 which are vertically communicated, the diameter of the first through hole 3 is smaller than that of the second through hole 4, the lifting platform 5 penetrates through the first through hole 3, the lifting platform 5 comprises an upper base 51 and an inner rod 52, a disc groove 511 is inwards formed in the bottom surface of the upper base 51, a second bearing 53 is fixedly arranged in the disc groove 511, one end of the inner rod 52 is fixedly penetrated through the inner ring of the second bearing 53, the other end of the inner rod is arranged in an outer cylinder 62, an external thread part is arranged outside the inner rod 52, and the external thread part is matched and screwed with the.

Install hollow rotary mechanism 6 in the second 4 of through-hole, rotary mechanism 6 includes bearing 61, and bearing 61 fixed mounting is in second 4 of through-hole, and the fixed cover of inner circle of bearing 61 is equipped with urceolus 62, and the inside internal thread portion that is equipped with of urceolus 62, the outer wall fixedly connected with of urceolus 62 is used for rotating the ring flange 12 of urceolus 62, and the setting of ring flange 12 is convenient for the manual work and is rotated urceolus 62, plays laborsaving effect.

In addition, two symmetrical and vertical through limiting holes 512 are formed in the upper base 51, a threaded hole 11 is formed in the upper surface of the lower base 1 opposite to the limiting holes 512, a limiting rod 10 penetrates through the limiting holes 512, the limiting rod 10 penetrates through the limiting hollow end to be in threaded connection with the threaded hole 11, the limiting rod 10 and the bearing II 53 are used for enabling the upper base 51 to move upwards in a vertical translation mode when the inner rod 52 rotates upwards, and stable rising of the detection instrument to a certain extent is guaranteed.

Be provided with clamping mechanism 7 of fixed detecting instrument on lift platform 5, clamping mechanism 7 includes two spouts 71 and two slides 72, spout 71 is parallel to be seted up in last base 51 upper surface, the both ends of slide 72 are provided with T type foot 721, T type foot 721 slides in spout 71, be provided with two elastic bands 73 between two slides 72, two elastic bands 73 are located the both ends of slide 72 respectively, two faces that two slides 72 are close to each other are provided with a plurality of sucking discs 74, place detecting instrument between two slides 72, because the surface of detecting instrument is all smooth, so sucking disc 74 adsorbs very easily, and the effect of elastic band 73 can make slide 72 and sucking disc 74 tightly paste the detecting instrument surface, when detecting instrument goes up, guarantee detecting instrument's firm state.

Further, two symmetrical clamping holes 8 are formed in the outer rings of the first bearing 61 and the second bearing 53, two pin shafts 9 are arranged in the upper base 51 and the lower base 1 respectively, the pin shafts 9 are nailed into the clamping holes 8 from the outer wall of the upper base 51 or the outer wall of the lower base 1, the non-rotation performance of the outer rings of the first bearing 61 and the second bearing 53 can be effectively guaranteed, and looseness of the outer rings is prevented.

The specific working principle is as follows: unfolding the tripod leg 2 to enable the lifting frame to stand on the ground, and tightly braking the universal wheel 13 brake pad after finding a detection position; the detection instrument is manually placed between the two sliding plates 72, the distance between the sliding plates 72 is adjustable, the elastic belt 73 plays a role in tightly closing the two sliding plates 72, the suction cups 74 on the sliding plates 72 can be adsorbed on the smooth surface of the detection instrument, and the two functions are that the detection instrument can be placed on the upper base 51 more stably; in addition, the threaded end of the stopper rod 10 is passed through the upper base 51 and screwed into the threaded hole 11 of the lower base 1.

After the operation is finished, a person can hold the tripod leg support 2 with one hand, give an auxiliary force to the lifting frame to fix the lifting frame, and slowly rotate the flange 12 with the other hand, and because the flange 12 is fixedly connected with the outer cylinder 62, the outer cylinder 62 rotates in the inner ring of the bearing I61, and the lower base 1 is kept still; because the limiting rod 10 is connected to the lower base 1, the upper base 51 cannot rotate under the limitation of the limiting rod 10, only the spiral direction of the inner rod 52 is kept under the action of the second bearing 53, and the inner rod 52 pushes against the upper base 51 to move upwards in a translation mode.

And after reaching the designated detection height, stopping the rotation of the flange plate 12 and starting the detection work.

The above is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, the all that is belonged to the technical solution under the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a crane for central air conditioning air outlet detects, its characterized in that includes base (1) down and rotates three-legged landing leg (2) of connecting in base (1) down, through-hole (3) and through-hole two (4) that link up about the middle part of base (1) is seted up down, wear to be equipped with lift platform (5) in through-hole (3), install hollow rotary mechanism (6) in through-hole two (4), the one end cover of lift platform (5) is in rotary mechanism (6), be provided with clamping mechanism (7) of fixed detecting instrument on lift platform (5).

2. The lifting frame for detecting the air outlet of the central air conditioner is characterized in that the rotating mechanism (6) comprises a first bearing (61), the first bearing (61) is fixedly arranged in the second through hole (4), an outer cylinder (62) is fixedly sleeved on an inner ring of the first bearing (61), and an internal thread part is arranged inside the outer cylinder (62).

3. The lifting frame for detecting the air outlet of the central air conditioner is characterized in that the lifting platform (5) comprises an upper base (51) and an inner rod (52), a disc groove (511) is formed in the bottom surface of the upper base (51) inwards, a second bearing (53) is fixedly installed in the disc groove (511), one end of the inner rod (52) is fixedly arranged in the inner ring of the second bearing (53) in a penetrating mode, the other end of the inner rod is arranged in an outer barrel (62), an outer thread part is arranged outside the inner rod (52), and the outer thread part and the inner thread part are matched and screwed with each other.

4. The lifting frame for detecting the air outlet of the central air conditioner is characterized in that the clamping mechanism (7) comprises two sliding grooves (71) and two sliding plates (72), the sliding grooves (71) are arranged on the upper surface of the lower base (1) in parallel, T-shaped feet (721) are arranged at two ends of each sliding plate (72), the T-shaped feet (721) slide in the sliding grooves (71), two elastic belts (73) are arranged between the two sliding plates (72), the two elastic belts (73) are respectively arranged at two ends of each sliding plate (72), and a plurality of suckers (74) are arranged on two mutually close surfaces of the two sliding plates (72).

5. The lifting frame for detecting the air outlet of the central air conditioner is characterized in that two symmetrical clamping holes (8) are formed in the outer rings of the first bearing (61) and the second bearing (53), two pin shafts (9) are respectively arranged inside the upper base (51) and the lower base (1), and the pin shafts (9) are nailed into the clamping holes (8) from the outer wall of the upper base (51) or the lower base (1).

6. The lifting frame for detecting the air outlet of the central air conditioner is characterized in that the upper base (51) is provided with symmetrical vertically penetrating limiting holes (512), the upper surface of the lower base (1) is provided with threaded holes (11) opposite to the limiting holes (512), a limiting rod (10) penetrates through the limiting holes (512), and one end of the limiting rod (10) penetrating through a limiting hole is in threaded connection with the threaded holes (11).

7. The lifting frame for detecting the air outlet of the central air conditioner is characterized in that a flange plate (12) for rotating the outer cylinder (62) is fixedly connected to the outer wall of the outer cylinder (62).

8. A lifting frame for detecting the air outlet of a central air conditioner as claimed in claim 1, wherein the tripod legs (2) are provided with universal wheels (13) with brake pads.