阅读说明：本技术 一种背负式减重消防泵 (Backpack subtracts heavy fire pump ) 是由 孙永剑 朱立勇 姚杰 于 2021-10-23 设计创作，主要内容包括：本发明公开了一种背负式减重消防泵,包括背负架和消防泵,背负架与消防泵之间连接有减重装置,减重装置包括基板、连接架、减震装置和消防泵连接板,基板上设置有连接轴,连接轴与减震装置固定连接,减震装置与连接架活动连接,连接架与消防泵连接板固定连接,使用本发明负重行走时,减重装置起到减震作用,消防泵在背负行走中更加的平稳,减少消防泵对人体背部的冲击力和降低抖动,使人在背负行走时更加的舒适。(The invention discloses a backpack weight-reducing fire pump, which comprises a backpack frame and a fire pump, wherein a weight-reducing device is connected between the backpack frame and the fire pump, the weight-reducing device comprises a base plate, a connecting frame, a damping device and a fire pump connecting plate, the base plate is provided with a connecting shaft, the connecting shaft is fixedly connected with the damping device, the damping device is movably connected with the connecting frame, and the connecting frame is fixedly connected with the fire pump connecting plate.)

1. The utility model provides a backpack subtracts heavy fire pump, includes backpack frame and fire pump, its characterized in that: bear the frame with be connected with between the fire pump and subtract heavy device, it includes base plate, link, damping device and fire pump connecting plate to subtract heavy device, be provided with the connecting axle on the base plate, the connecting axle with damping device fixed connection, damping device with link swing joint, the link with fire pump connecting plate fixed connection, damping device includes oil pressure cylinder body, front end, tail end and spring, oil pressure cylinder body includes oil pressure cylinder inner wall, oil pressure cylinder body inner chamber and oil pressure cylinder body external screw thread.

2. The backpack weight-reducing fire pump as claimed in claim 1, wherein the number of the shock-absorbing devices is 4.

3. The backpack weight-reducing fire pump as claimed in claim 1, wherein the connecting frames comprise upper rods, connecting rods are connected between the upper rods, the number of the connecting rods is 3, and the upper rods are provided with upper connecting shafts.

4. The backpack weight-reducing fire pump as claimed in claim 1, wherein a spring stop is connected to the middle section of the external thread of the hydraulic cylinder body, and the position of the adjusting spring stop on the external thread of the hydraulic cylinder body can be adjusted.

5. The backpack weight-reducing fire pump as claimed in claim 1, wherein the hydraulic cylinder body is connected with a tail end, the tail end is provided with a tail end inner hole, an oil pipeline and a tail end inner cavity, and the tail end inner hole is provided with a shockproof rubber ring and a shaft sleeve.

6. The backpack weight-reducing fire pump as claimed in claim 1, wherein a flow regulating valve is mounted on the tail end, and the flow regulating valve can regulate the flow of oil from the inner cavity of the oil cylinder body into the inner cavity of the tail end.

7. A backpack weight reducing fire pump according to claim 1, wherein: the tail end is connected with a gas cylinder, the gas cylinder comprises an upper closed space and a lower closed space, a partition plate is connected between the upper closed space and the tail end, a partition plate is arranged between the upper closed space and the lower closed space, a floating piston is connected between the partition plate and the lower closed space, and the lower closed space is connected with a vent valve.

8. The backpack weight-reducing fire pump as claimed in claim 1, wherein the fire pump is provided with a fire pump frame, a diesel engine, a water pump, an oil tank, a water inlet device, a water outlet device, a silencer, an air filter and an instrument panel, and the instrument panel is provided with an adjusting knob, an electric starting switch, a pressure gauge and a vacuum gauge.

Technical Field

The invention relates to the field of fire pumps, in particular to a backpack weight-reducing fire pump.

Background

The fire pump is a special fire pump or a common clear water pump which meets the national standard fire pump performance requirements and test methods, a portable fire pump exists in the prior art and is used in forests, fields, scenic spots, rural areas and the same fire protection, but most of the existing portable fire pumps are hand-carried fire pumps, and the hand-carried fire pumps are inconvenient to carry when walking.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a backpack weight-reducing fire pump which is convenient to carry on back when people walk.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a backpack subtracts heavy fire pump, includes backpack frame and fire pump, its characterized in that: bear the frame with be connected with between the fire pump and subtract heavy device, it includes base plate, link, damping device and fire pump connecting plate to subtract heavy device, be provided with the connecting axle on the base plate, the connecting axle with damping device fixed connection, damping device with link swing joint, the link with fire pump connecting plate fixed connection, damping device includes oil pressure cylinder body, front end, tail end and spring, oil pressure cylinder body includes oil pressure cylinder inner wall, oil pressure cylinder body inner chamber and oil pressure cylinder body external screw thread.

Further, the number of the shock absorption devices is 4;

further, the connecting frame comprises upper rods, connecting rods are connected between the upper rods, the number of the connecting rods is specifically 3, and upper connecting shafts are arranged on the upper rods;

furthermore, the middle section of the external thread of the oil pressure cylinder body is connected with a spring stop block, and the position of the adjusting spring stop block on the external thread of the oil pressure cylinder body can be adjusted;

further, the oil pressure cylinder body is connected with a tail end, a tail end inner hole, an oil pipeline and a tail end inner cavity are formed in the tail end, and a shockproof rubber ring and a shaft sleeve are mounted on the tail end inner hole;

further, a flow regulating valve is mounted on the tail end, and the flow regulating valve can regulate the flow of oil flowing into the tail end inner cavity from the inner cavity of the oil hydraulic cylinder body;

further, the tail end is connected with a gas cylinder, the gas cylinder comprises an upper closed space and a lower closed space, a partition plate is connected between the upper closed space and the tail end, a partition plate is arranged between the upper closed space and the lower closed space, a floating piston is connected between the partition plate and the lower closed space, and the lower closed space is connected with an exhaust valve;

furthermore, be equipped with fire pump frame, diesel engine, water pump, oil tank, water installations, play water installation, silencer, air cleaner and instrument board on the fire pump, install adjust knob, electric starting switch, manometer and vacuum gauge on the instrument board.

The invention has the beneficial effects that:

when the fire pump is used for walking with load, the weight reduction device plays a role in shock absorption, so that the fire pump is more stable in walking with the load, the impact force of the fire pump on the back of a human body is reduced, the shake is reduced, and people feel more comfortable in walking with the load.

Drawings

To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described as follows:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective exploded view of the present invention;

FIG. 3 is a schematic perspective exploded view of the weight reducing device;

FIG. 4 is a schematic cross-sectional view of a shock absorbing device;

FIG. 5 is an enlarged view of the shock absorbing device in two parts;

FIG. 6 is an enlarged view of a portion of a section A of the shock absorbing device;

FIG. 7 is an enlarged view of a section B of the shock absorbing device;

FIG. 8 is a perspective view of the connection frame;

FIG. 9 is a top view of a partial structure of the weight-reducing device;

FIG. 10 is a side view of a partial structure of the weight reducing device;

FIG. 11 is a schematic view of a first perspective of a fire pump;

fig. 12 is a schematic diagram of a second perspective structure of the fire pump.

The reference numbers are: 1-bearing frame, 2-weight reducing device, 2-1-base plate, 2-1-1-connecting shaft, 2-2-connecting frame, 2-2-1-upper rod, 2-2-1-upper connecting shaft, 2-2-2-lower rod, 2-2-2-1-lower connecting shaft, 2-2-3-connecting rod, 2-3-shock-absorbing device, 2-3-1-front end inner hole, 2-3-2-elasticity regulator, 2-3-3-front end cover, 2-3-4 front end bumper, 2-3-5-damping rod, 2-3-6-front end spring plate, 2-3-7-resilient rod, 2-3-8-spring, 2-3-9-main bolt, 2-3-10-sealing cover, 2-3-11-damping valve, 2-3-12-oil pressure cylinder body, 2-3-12-1-oil pressure cylinder inner wall, 2-3-12-2-oil pressure cylinder body inner cavity, 2-3-12-3-oil pressure cylinder body external thread, 2-3-13-damping valve bolt, 2-3-14-spring stop block, 2-3-15-tail end, 2-3-15-1-tail end inner hole, 2-3-15-2-oil pipeline, 2-3-15-3-tail end inner cavity, 2-3-16-shockproof rubber ring, 2-3-17-shaft sleeve, 2-3-18-gas cylinder, 2-3-18-1-upper closed space, 2-3-18-2-lower closed space, 2-3-19-partition plate, 2-3-20-floating piston, 2-3-21-exhaust valve, 2-3-22-flow regulating valve, 2-4-fire pump connecting plate, 3-fire pump, 3-1-fire pump frame, 3-2-diesel engine, 3-3-water pump, 3-4-oil tank, 3-5-water inlet device, 3-3-16-shockproof rubber ring, 2-3-17-floating piston, 3-3-21-exhaust valve, 3-3-22-flow regulating valve, 3-4-fire pump connecting plate, 3-fire pump, 3-1-fire pump frame, 3-2-diesel engine, 3-3-4-oil tank, 3-5-water inlet device, and water outlet device, 3-6-a water outlet device, 3-7-a silencer, 3-8-an air filter, 3-9-an instrument panel, 3-9-1-an adjusting knob, 3-9-2-an electric starting switch, 3-9-3-a pressure gauge and 3-9-4-a vacuum gauge.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Referring to the attached drawings 1-2, the backpack weight-reducing fire pump comprises a backpack frame 1 and a fire pump 3, and a weight-reducing device 2 is connected between the backpack frame 1 and the fire pump 3.

Referring to the attached figure 3, the weight reduction device 2 comprises a base plate 2-1, a connecting frame 2-2, shock absorption devices 2-3 and a fire pump connecting plate 2-4, the number of the shock absorption devices 2-3 is 4, a connecting shaft 2-1-1 is arranged on the base plate 2-1, the connecting shaft 2-1-1 is fixedly connected with the shock absorption devices 2-3, the shock absorption devices 2-3 are movably connected with the connecting frame 2-2, and the connecting frame 2-2 is fixedly connected with the fire pump connecting plate 2-4.

Referring to the attached drawings 4-7, a damping device 2-3 comprises a front end 2-3-1, an oil cylinder 2-3-12, a spring 2-3-8 and a tail end 2-3-15, the lowest end of the damping device 2-3 is provided with the front end 2-3-1, the front end 2-3-1 is provided with a front end inner hole 2-3-1, the front end 2-3-1 is connected with a front end spring plate 2-3-6, the front end spring plate 2-3-6 is connected with a damping rod 2-3-5, a rebound rod 2-3-7 is arranged in the damping rod 2-3-5, a spring force regulator 2-3-2 is arranged between the bottom of the rebound rod 2-3-7 and the front end 2-3-1, a front end cover 2-3-3 is connected between the head of the damping rod 2-3-5 and the front end spring plate 2-3-6, a front end bumper 2-3-4 is installed on the front end cover 2-3-3, the tail of the damping rod 2-3-5 is connected with an oil pressure cylinder body 2-3-12, a main bolt 2-3-9 is connected between the tail of the oil pressure cylinder body 2-3-12 and the tail of the damping rod 2-3-5, a sealing cover 2-3-10 is connected between the main bolt 2-3-9 and the side wall of the tail of the damping rod 2-3-5, the oil pressure cylinder body 2-3-12 comprises an inner wall 2-3-12-1 of the oil pressure cylinder, an inner cavity 2-3-12-2 of the oil pressure cylinder body and an outer thread 2-3-12-3 of the oil pressure cylinder body, a damping valve 2-3-11 is connected between the tail part of the inner wall 2-3-12-1 of the pressure cylinder and a main bolt 2-3-9, a damping valve bolt 2-3-13 is connected between the damping valve 2-3-11 and a rebound rod 2-3-7, a spring stop block 2-3-14 is connected at the middle section of the external thread 2-3-12-3 of the oil pressure cylinder body, a spring 2-3-8 is arranged between the spring stop block 2-3-14 and the front end cover 2-3-3, the length and the pre-tightening force of the spring 2-3-8 are changed by adjusting the position of the spring stop block 2-3-14 on the external thread 2-3-12-3 of the oil pressure cylinder body, and the damping of the spring 2-3-8 is further changed, thereby the damping of the damping device 2-3 can be flexibly adjusted; the head of the oil pressure cylinder body 2-3-12 is connected with a tail end 2-3-15, the head of the tail end 2-3-15 is provided with a tail end inner hole 2-3-15-1, the tail end inner hole 2-3-15-1 is provided with a shockproof rubber ring 2-3-16 and a shaft sleeve 2-3-17, and the shockproof rubber ring 2-3-16 can reduce the noise generated between the shock absorption device 2-3 and the connecting frame 2-2 due to friction; an oil pipeline 2-3-15-2 is arranged in the middle of the tail end 2-3-15, a tail end inner cavity 2-3-15-3 is arranged at the head of the tail end 2-3-15, the oil pipeline 2-3-15-2 is communicated with an oil hydraulic cylinder inner cavity 2-3-12-2 and the tail end inner cavity 2-3-15-3, a flow regulating valve 2-3-22 is arranged at the tail end 2-3-15, and the flow regulating valve 2-3-22 regulates the damping of the damping device 2-3 by regulating the oil flow flowing into the tail end inner cavity 2-3-15-3 from the oil hydraulic cylinder inner cavity 2-3-12-2; the tail part of the tail end 2-3-15 is connected with a gas cylinder 2-3-18, the gas cylinder 2-3-18 comprises an upper closed space 2-3-18-1 and a lower closed space 2-3-18-2, a partition plate 2-3-16 is connected between the upper closed space 2-3-18-1 and the tail end 2-3-15, a partition plate 2-3-19 is arranged between the upper closed space 2-3-18-1 and the lower closed space 2-3-18-2, a floating piston 2-3-20 is connected between the partition plate 2-3-19 and the lower closed space 2-3-18-2, and the tail part of the lower closed space 2-3-18-2 is connected with an exhaust valve 2-3-21.

Referring to the attached drawings 8-10, a connecting frame 2-2 comprises upper rods 2-2-1 and connecting rods 2-2-2, the connecting rods 2-2-2 are connected between the upper rods 2-2-1, the number of the connecting rods 2-2-2 is 3, an upper connecting shaft 2-2-1-1 is arranged on the upper rod 2-2-1, a front end inner hole 2-3-1 on a damping device 2-3 is fixedly connected with the connecting shaft 2-1-1 on a base plate 2-1, and a tail end inner hole 2-3-15-1 on the damping device 2-3 is fixedly connected with the upper connecting shaft 2-2-1-1 on the upper rod 2-2-1; when the connecting frame 2-2 is loaded, the load force is not stable enough, the load force is small in time, the load force drives the connecting frame 2-2 to do simple harmonic motion, the damping device 2-3 converts the kinetic energy of the damping device into the elastic potential energy of the spring, so that the load force can be relatively unchanged in a smaller range, the weight reduction device 2-3 plays a damping role, the fire pump 3 is more stable in backpack walking, the impact force of the fire pump 3 on the back of a human body is reduced, the shake is reduced, and people feel more comfortable in backpack walking.

Referring to the attached drawings 11-12, the fire pump comprises a fire pump frame 3-1, a diesel engine 3-2, a water pump 3-3, an oil tank 3-4, a water inlet device 3-5, a water outlet device 3-6, a silencer 3-7, an air filter 3-8 and an instrument panel 3-9, wherein an adjusting knob 3-9-1, an electric starting switch 3-9-2, a pressure gauge 3-9-3 and a vacuum gauge 3-9-4 are arranged on the instrument panel 3-9.

The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.