CN217201550U

CN217201550U - Low-noise hydraulic pump unit for elevator

Info

Publication number: CN217201550U
Application number: CN202123416495.0U
Authority: CN
Inventors: 冯明东
Original assignee: Shandong Shuanghe Heavy Industry Group Co ltd
Current assignee: Shandong Shuanghe Heavy Industry Group Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-16
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to an elevator hydraulic pump technical field especially relates to a hydraulic pump unit for elevator of low noise. The technical scheme comprises the following steps: the casing of making an uproar, hydraulic pump subassembly, support horizontal pole, first spring and slider fall, the top of slider is rotated and is connected with the connecting rod, the one end that the slider was kept away from to the connecting rod is rotated and is connected with the backup pad, the equal fixed mounting of two inside walls that fall the casing of making an uproar has the support, the equal fixedly connected with in four corners department at backup pad top supports the montant, and the surface that supports the montant has cup jointed the second spring, the interior fixed surface that falls the casing of making an uproar is connected with and falls the layer of making an uproar. The utility model discloses a setting of casing of making an uproar falls can play the guard action of making an uproar to hydraulic pump assembly, and the transmission of noise reduction through the setting of supporting horizontal pole, first spring, slider, connecting rod and backup pad, reduces the noise that hydraulic pump assembly vibrations produced, through the setting on the layer of making an uproar falls, can absorb the noise, reaches the effect of making an uproar, and the influence that the noise reduction caused resident's living environment.

Description

Low-noise hydraulic pump unit for elevator

Technical Field

The utility model relates to an elevator hydraulic pump technical field especially relates to a hydraulic pump unit for elevator of low noise.

Background

The hydraulic elevator is an elevator which drives a plunger to do linear motion by pressing oil into an oil cylinder through a hydraulic power source and directly or indirectly drives a car to move through a steel wire rope. Hydraulic elevators are generally equipped with a hydraulic pump unit. The hydraulic pump unit is a hydraulic source device including a hydraulic pump, a driving motor, an oil tank, a directional valve, a throttle valve, a relief valve, and the like, or a hydraulic device including a control valve.

Current hydraulic pump unit for elevator simple structure can produce great noise at the during operation, seriously influences resident's living environment, in order to solve this problem, provides a hydraulic pump unit for elevator of low noise at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hydraulic pump unit for elevator of low noise to the problem that exists among the background art.

The technical scheme of the utility model: a low-noise hydraulic pump unit for an elevator comprises a noise reduction shell and a hydraulic pump assembly arranged in the noise reduction shell, wherein both sides of the inner bottom wall of the noise reduction shell are fixedly connected with supporting cross rods, the surface of each supporting cross rod is sleeved with a first spring, one end of each first spring is fixedly connected with a sliding block, the sliding blocks are slidably sleeved on the supporting cross rods, the tops of the sliding blocks are rotatably connected with connecting rods, one ends, far away from the sliding blocks, of the connecting rods are rotatably connected with supporting plates, the hydraulic pump assembly is arranged on the supporting plates, the two inner side walls of the noise reduction shell are fixedly provided with supports, the four corners of the top of each supporting plate are fixedly connected with supporting vertical rods, the supporting vertical rods penetrate through the supports, the surfaces of the supporting vertical rods are sleeved with second springs, the second springs are positioned between the supporting plates and the supports, and the inner surface of the noise reduction shell is fixedly connected with a noise reduction layer, the both sides of making an uproar casing all have seted up the vent, the internally mounted of vent has the heat dissipation fan.

Through the arrangement of the noise reduction shell, the noise reduction protection effect can be achieved on the hydraulic pump assembly, the hydraulic pump assembly is isolated from the outside, the transmission of noise is reduced, through the arrangement of the supporting transverse rod, the first spring, the sliding block, the connecting rod and the supporting plate, when the hydraulic pump assembly works, vibration is generated, the supporting plate can drive the connecting rod to overturn, the sliding block slides on the supporting transverse rod, so that the first spring is extruded, the first spring is deformed, vibration is absorbed and reduced, the damping effect is achieved, the noise generated by vibration of the hydraulic pump assembly is reduced, meanwhile, through the arrangement of the support, the supporting vertical rod and the second spring, the supporting plate can also drive the supporting vertical rod to move, the second spring is extruded, the first spring is deformed, vibration is absorbed and reduced, meanwhile, the downward damping effect is achieved on the hydraulic pump assembly, and the shaking amplitude of the hydraulic pump assembly is reduced, through the setting on the layer of making an uproar, can absorb the noise, reach the effect of making an uproar, the influence that the noise reduction caused resident's living environment through the setting of vent and heat dissipation fan, can discharge the heat that hydraulic pump subassembly during operation produced, improves hydraulic pump subassembly's radiating efficiency.

Preferably, the front of the noise reduction shell is hinged with a cover plate, and the cover plate can cover the front of the noise reduction shell.

Preferably, the layer of making an uproar falls includes polyurethane fiber abatvoix in proper order, inhales sound cotton and deadening felt from outside to inside, polyurethane fiber abatvoix, inhale to bond each other between sound cotton and the deadening felt and form, through polyurethane fiber abatvoix, inhale the cooperation of sound cotton and deadening felt, polyurethane fiber abatvoix can absorb the sound wave, reaches the effect of inhaling the sound, inhales the sound cotton and is an artificial inorganic fiber. Adopt natural ores such as quartz sand, lime stone, dolomite as the main raw materials, cooperate some soda, chemical raw materials such as borax melt into glass, under the state of melting, with the help of external force blowing formula get rid of into flocculent thin fiber, be the intercrossing between fibre and the fibre, intertwine mutually, demonstrate many tiny clearances, can absorb the sound wave, the deadening felt is a high density coiled material that has certain flexibility that is made for main raw materials with rubber, macromolecular material etc. can play syllable-dividing effect, thereby the performance of making an uproar falls in the sound insulation of the casing of making an uproar falls in the reinforcing, reduce the noise of hydraulic pump unit during operation.

Preferably, the top fixedly connected with stopper of supporting the montant through the setting of stopper, can play limiting displacement to the top of supporting the montant, avoids the support to break away from with the emergence of supporting the montant.

Preferably, the outer surface of the noise reduction shell is coated with a sound absorption coating, and the sound absorption coating is formed by spraying sound absorption paint, so that the sound absorption effect of the noise reduction shell is further enhanced.

Preferably, the dust screen is installed to the inside outside that is located the heat dissipation fan of vent, through the setting of dust screen, can prevent that the dust from getting into in the vent, plays dirt-proof effect.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the hydraulic pump unit for the elevator with low noise can play a role in noise reduction protection for the hydraulic pump assembly through the arrangement of the noise reduction shell, so that the hydraulic pump assembly is isolated from the outside, the transmission of noise is reduced, the hydraulic pump assembly generates vibration during working through the arrangement of the supporting transverse rod, the first spring, the sliding block, the connecting rod and the supporting plate, the supporting plate can drive the connecting rod to overturn, the sliding block slides on the supporting transverse rod, so that the first spring is extruded, the first spring is deformed, the vibration is absorbed and reduced, the damping effect is achieved, so that the noise generated by the vibration of the hydraulic pump assembly is reduced, meanwhile, through the arrangement of the bracket, the supporting vertical rod and the second spring, the supporting plate can also drive the supporting vertical rod to move, the second spring is extruded, the first spring is deformed, the vibration is absorbed and reduced, and meanwhile, the hydraulic pump assembly plays a role in downward damping, reduce hydraulic pump unit's the range of rocking, through the setting on the layer of making an uproar, can absorb the noise, reach the effect of making an uproar of falling, the influence that the noise reduction caused resident's living environment through the setting of vent and heat dissipation fan, can discharge the heat that hydraulic pump unit during operation produced, improves hydraulic pump unit's radiating efficiency.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an internal structural view of the present invention;

FIG. 3 is an enlarged view of the structure A of FIG. 2 according to the present invention;

fig. 4 is a structural diagram of the noise reduction layer of the present invention.

Reference numerals are as follows: 1. a noise reduction housing; 2. a hydraulic pump assembly; 3. a support rail; 4. a first spring; 5. a slider; 6. a connecting rod; 7. a support plate; 8. a support; 9. supporting the vertical rod; 10. a second spring; 11. a noise reduction layer; 1101. polyurethane fiber acoustic panels; 1102. sound-absorbing cotton; 1103. a sound-deadening felt; 12. a vent; 13. a heat dissipation fan; 14. a cover plate; 15. a limiting block; 16. a dust screen.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in figures 1, 2, 3 and 4, the low-noise hydraulic pump unit for the elevator comprises a noise reduction casing 1 and a hydraulic pump assembly 2 arranged in the noise reduction casing 1, wherein both sides of the inner bottom wall of the noise reduction casing 1 are fixedly connected with supporting cross rods 3, the surface of each supporting cross rod 3 is sleeved with a first spring 4, one end of each first spring 4 is fixedly connected with a slider 5, the slider 5 is slidably sleeved on the corresponding supporting cross rod 3, the top of each slider 5 is rotatably connected with a connecting rod 6, one end, far away from the slider 5, of each connecting rod 6 is rotatably connected with a supporting plate 7, the hydraulic pump assembly 2 is arranged on the corresponding supporting plate 7, two inner side walls of the noise reduction casing 1 are fixedly provided with a bracket 8, the four corners of the top of the corresponding supporting plate 7 are fixedly connected with supporting vertical rods 9, the supporting vertical rods 9 penetrate through the brackets 8, the surface of each supporting vertical rod 9 is sleeved with a second spring 10, and the second springs 10 are arranged between the corresponding supporting plates 7 and corresponding brackets 8, fall the interior fixed surface of casing 1 of making an uproar and be connected with the layer 11 of making an uproar, the both sides of falling the casing 1 of making an uproar all have seted up vent 12, the internally mounted of vent 12 has heat dissipation fan 13, the front of falling the casing 1 of making an uproar articulates there is apron 14, it includes polyurethane fiber abatvoix 1101 to fall the layer 11 of making an uproar in proper order from outside to inside, inhale cotton 1102 of sound and deadening felt 1103, polyurethane fiber abatvoix 1101, it forms to bond each other between sound absorption cotton 1102 and the deadening felt 1103, the top fixedly connected with stopper 15 of support montant 9, the inside outside that lies in heat dissipation fan 13 of vent 12 is installed dust screen 16.

The low-noise hydraulic pump unit for the elevator based on the embodiment 1 has the working principle that: through the arrangement of the noise reduction shell 1, the noise reduction protection effect can be achieved on the hydraulic pump assembly 2, the hydraulic pump assembly 2 is isolated from the outside, the transmission of noise is reduced, through the arrangement of the supporting cross rod 3, the first spring 4, the sliding block 5, the connecting rod 6 and the supporting plate 7, when the hydraulic pump assembly 2 works, vibration is generated, the supporting plate 7 can drive the connecting rod 6 to overturn, the sliding block 5 slides on the supporting cross rod 3, the first spring 4 is extruded, the first spring 4 is deformed, vibration is absorbed and reduced, the shock absorption effect is achieved, noise generated by vibration of the hydraulic pump assembly 2 is reduced, meanwhile, through the arrangement of the support 8, the supporting vertical rod 9 and the second spring 10, the supporting plate 7 can also drive the supporting vertical rod 9 to move, the second spring 10 is extruded, the first spring 4 is deformed, and vibration is absorbed and reduced, play decurrent damping effect to hydraulic pump unit 2 simultaneously, reduce the range of rocking of hydraulic pump unit 2, through the setting of falling the noise floor 11, can absorb the noise, reach the effect of making an uproar, the influence that the noise reduction caused resident's living environment, through the setting of vent 12 and heat dissipation fan 13, can discharge the heat that hydraulic pump unit 2 during operation produced, improve hydraulic pump unit 2's radiating efficiency, through the setting of apron 14, can play the effect of covering to falling the front of casing 1 of making an uproar, through polyurethane fiber abatvoix 1101, inhale the cooperation of sound cotton 1102 and deadening felt 1103, polyurethane fiber abatvoix 1101 can absorb the sound wave, reach the effect of inhaling the sound, it is an artificial inorganic fibre to inhale sound cotton 1102. Natural ores such as quartz sand, limestone, dolomite and the like are used as main raw materials and matched with chemical raw materials such as sodium carbonate, borax and the like to be melted into glass, in a melting state, the fiber is blown into flocculent fine fiber by external force, the fiber and the fiber are crossed and intertwined with each other to form a plurality of fine gaps for absorbing sound wave, the deadening felt 1103 is a high-density coiled material with certain flexibility and made of rubber, high polymer materials and the like as main raw materials to play a role in sound insulation, thereby enhancing the sound insulation and noise reduction performance of the noise reduction shell 1, reducing the noise of the hydraulic pump unit during working, the limiting block 15 can limit the top of the vertical supporting rod 9, so as to prevent the support 8 from separating from the vertical supporting rod 9, the dust screen 16 prevents dust from entering the ventilation opening 12, thereby preventing dust.

Example two

As shown in fig. 1, the utility model provides a hydraulic pump unit for elevator of low noise compares in embodiment one, and this embodiment still includes: the outer surface of the noise reduction shell 1 is coated with a sound absorption coating.

In this embodiment, the sound absorbing coating is formed by spraying sound absorbing paint, so as to further enhance the sound absorbing effect of the noise reduction casing 1.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. A low-noise hydraulic pump unit for an elevator, comprising a noise-reduction housing (1) and a hydraulic pump assembly (2) provided in the noise-reduction housing (1), characterized in that: both sides of the bottom wall in the noise reduction shell (1) are fixedly connected with supporting cross rods (3), the surface of each supporting cross rod (3) is sleeved with a first spring (4), one end of each first spring (4) is fixedly connected with a sliding block (5), the sliding blocks (5) are slidably sleeved on the supporting cross rods (3), the top parts of the sliding blocks (5) are rotatably connected with connecting rods (6), one ends, far away from the sliding blocks (5), of the connecting rods (6) are rotatably connected with supporting plates (7), the hydraulic pump assemblies (2) are installed on the supporting plates (7), brackets (8) are fixedly installed on the two inner side walls of the noise reduction shell (1), supporting vertical rods (9) are fixedly connected at the four corners of the top parts of the supporting plates (7), the supporting vertical rods (9) penetrate through the brackets (8), and second springs (10) are sleeved on the surfaces of the supporting vertical rods (9), second spring (10) are located between backup pad (7) and support (8), the interior fixed surface of making an uproar casing (1) of falling is connected with and falls layer (11) of making an uproar, vent (12) have all been seted up to the both sides of falling the casing (1) of making an uproar, the internally mounted of vent (12) has heat dissipation fan (13).

2. The hydraulic pump unit for an elevator according to claim 1, characterized in that: the front surface of the noise reduction shell (1) is hinged with a cover plate (14).

3. The hydraulic pump unit for an elevator according to claim 1, characterized in that: the noise reduction layer (11) includes polyurethane fiber abatvoix (1101), inhales sound cotton (1102) and deadening felt (1103) from outside to inside in proper order, polyurethane fiber abatvoix (1101), inhale and bond each other between sound cotton (1102) and deadening felt (1103) and form.

4. The hydraulic pump unit for an elevator according to claim 1, characterized in that: the top of the supporting vertical rod (9) is fixedly connected with a limiting block (15).

5. The hydraulic pump unit for an elevator according to claim 1, characterized in that: the outer surface of the noise reduction shell (1) is coated with a sound absorption coating.

6. The hydraulic pump unit for an elevator according to claim 1, characterized in that: and a dust screen (16) is arranged at the outer side of the heat dissipation fan (13) in the ventilation opening (12).