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CN-224227706-U - Auxiliary engine driven double-fan structure and high-speed road sweeper

CN224227706UCN 224227706 UCN224227706 UCN 224227706UCN-224227706-U

Abstract

The utility model relates to the technical field of highway cleaning, and provides a secondary engine driven double-fan structure and a high-speed road sweeper, wherein the output end of a secondary engine is connected with the input end of a belt wheel transmission assembly, the output end of the belt wheel transmission assembly is connected with a first fan, an adjusting plate is arranged on a mounting frame, an adjusting frame is movably arranged on the upper part of the adjusting plate through a first connecting piece, a tensioning wheel is rotatably arranged on the adjusting frame, and the tensioning wheel is abutted against a transmission belt of the belt wheel transmission assembly. The top sets up negative pressure pipeline in the carriage, and negative pressure pipeline is linked together with first fan and second fan air intake, and chassis below symmetry sets up two dust absorption mouths, and first fan and second fan are connected respectively to two dust absorption mouths, and two dust absorption mouths link to each other with the carriage inner chamber through inhaling the pipeline, and the fender cover is located and inhales and pick up pipeline exit top. The belt pulley transmission assembly is low in maintenance cost, and the transmission efficiency, stability and service life of the belt pulley transmission assembly are optimized by adjusting the position of the tensioning wheel.

Inventors

  • SUN HAO
  • CHEN HUANZHANG
  • ZHANG WEIHUA
  • SHAO JUNHAO
  • YANG TAIYONG
  • LIU CHUANYUAN

Assignees

  • 山东高速工程装备有限公司

Dates

Publication Date
20260512
Application Date
20250609

Claims (8)

  1. 1. The utility model provides a pair of fan structures of auxiliary engine drive, including auxiliary engine (1), first fan (2) and second fan (3), characterized by still includes band pulley drive assembly and tensioning subassembly, auxiliary engine (1) output connection band pulley drive assembly input, band pulley drive assembly output connects first fan (2), first fan (2) link to each other through the shaft coupling with second fan (3), tensioning subassembly includes take-up pulley (7) and the support piece of regulation take-up pulley (7) position, the support piece includes mounting bracket (8), regulating plate (9) and alignment jig (10), set up regulating plate (9) on mounting bracket (8), regulating plate (9) upper portion sets up alignment jig (10) through first connecting piece activity, rotate on alignment jig (10) and set up take-up pulley (7), take-up pulley (7) butt band pulley drive assembly's drive belt (6).
  2. 2. The secondary engine-driven twin-fan structure according to claim 1, wherein the supporting member further comprises a first supporting plate (11) and a second supporting plate (12), the second supporting plate (12) is horizontally arranged at the lower portion of the adjusting plate (9), the first supporting plate (11) is arranged at the bottom of the adjusting frame (10), the first supporting plate (11) is connected with the second supporting plate (12) through a second connecting member, and the first supporting plate (11) is parallel to the second supporting plate (12).
  3. 3. The auxiliary engine driven double-fan structure of claim 2, wherein the second connecting piece comprises a second bolt (13), a second nut (14), a third nut (15) and a fourth nut (16), bolt holes are formed in corresponding positions of the first supporting plate (11) and the second supporting plate (12), the second bolt (13) sequentially penetrates through the first supporting plate (11) and the second supporting plate (12), the top of the second nut (14) is abutted to the bottom of the first supporting plate (11), and the bottom of the third nut (15) and the top of the fourth nut (16) are respectively abutted to the top and the bottom of the second supporting plate (12).
  4. 4. The auxiliary engine driven double-fan structure according to claim 1 or 2, wherein the first connecting piece comprises a first bolt (17) and a first nut, strip holes (901) are symmetrically formed in the two ends of the adjusting plate (9), bolt holes corresponding to the strip holes (901) are symmetrically formed in the two ends of the adjusting frame (10), and the first bolt (17) sequentially penetrates through the bolt holes of the adjusting frame (10) and the strip holes (901) of the adjusting plate (9) to be connected with the first nut through threads.
  5. 5. The auxiliary engine driven double-fan structure according to claim 1 or 2 is characterized in that the belt wheel transmission assembly further comprises a driving wheel (4) and a driven wheel (5), the output end of the auxiliary engine (1) is connected with the driving wheel (4), a transmission belt (6) is sleeved on the outer walls of the driving wheel (4) and the driven wheel (5), and the driven wheel (5) is connected with the first fan (2).
  6. 6. A high-speed road sweeper comprises a secondary engine driven double-fan structure as set forth in any one of claims 1-5 and is characterized by further comprising a carriage (19) and a chassis (20), wherein the carriage (19) is arranged on the chassis (20), a negative pressure pipeline (21) is arranged at the inner top of the carriage (19), a first fan (2), a second fan (3), a secondary engine (1), a belt wheel transmission assembly and a tensioning assembly are all arranged on the chassis (20) and are all positioned at the front end of the carriage (19), the negative pressure pipeline (21) is communicated with air inlets of the first fan (2) and the second fan (3), two dust suction nozzles (22) are symmetrically arranged below the chassis (20), the two dust suction nozzles (22) are respectively connected with the first fan (2) and the second fan (3), the two dust suction nozzles (22) are connected with an inner cavity of the carriage (19) through a suction pipe (23), a blocking cover (25) is further arranged at the top of the carriage (19), and the blocking cover (25) is positioned above an outlet of the suction pipe (23).
  7. 7. The high-speed sweeper of claim 6, further comprising a sweeping mechanism (26), wherein the sweeping mechanism (26) is disposed at a lower portion of the chassis (20) and in front of the dust collection nozzle (22).
  8. 8. The high-speed sweeping machine according to claim 6 or 7, wherein the dust suction nozzle (22) is connected with the chassis (20) through a lifting mechanism.

Description

Auxiliary engine driven double-fan structure and high-speed road sweeper Technical Field The utility model relates to the technical field of road cleaning, in particular to a secondary engine driven double-fan structure and a high-speed road sweeper. Background The high-speed road sweeper is an environmental sanitation vehicle specially used for quickly and efficiently cleaning large-area areas such as roads, squares, airport runways and the like. The cleaning device combines high-speed driving capability and powerful cleaning function, can complete a large-scale cleaning task in a short time, and is suitable for scenes with high requirements on cleaning efficiency. The traditional motor sweeper relies on single fan system to easily produce the air current disorder when high-speed operation, leads to dust secondary pollution, uses the direct drive fan of main engine to lead to the energy loss to lose up to 25-30% in addition, and current motor sweeper uses vice engine drive fan operation, and the main engine that drives the vehicle and travel separates completely, has avoided main engine power reposition of redundant personnel, has guaranteed to travel and the operation noninterference each other, however it adopts direct drive formula or gear box drive mostly, and direct drive formula rotates and closes completely, can't nimble regulation, and the rated rotational speed of engine and fan need match, and the gear box drive maintenance complexity is high, and efficiency loss is big to need extra oil pump to lubricate the gear, the cost is higher. Accordingly, in order to solve the above problems, a sub-engine driven twin-fan structure and a high-speed road sweeper are proposed. Disclosure of utility model Aiming at the defects of the prior art, the utility model develops a secondary engine driven double-fan structure and a high-speed road sweeper, and the belt wheel transmission assembly is convenient to replace and maintain, has low maintenance cost, can isolate part of vibration, ensures the stable operation of a transmission system, and optimizes the transmission efficiency, the stability and the service life of the belt wheel transmission assembly by adjusting the position of a tensioning wheel. The utility model provides a secondary engine driven double-fan structure, which comprises a secondary engine, a first fan, a second fan, a belt wheel transmission assembly and a tensioning assembly, wherein the output end of the secondary engine is connected with the input end of the belt wheel transmission assembly, the output end of the belt wheel transmission assembly is connected with the first fan, the first fan is connected with the second fan through a coupler, the tensioning assembly comprises a tensioning wheel and a supporting piece for adjusting the position of the tensioning wheel, the supporting piece comprises a mounting frame, an adjusting plate and an adjusting frame, the adjusting plate is arranged on the mounting frame, the adjusting frame is movably arranged on the upper portion of the adjusting plate through a first connecting piece, the tensioning wheel is rotatably arranged on the adjusting frame, and the tensioning wheel is abutted against a driving belt of the belt wheel transmission assembly. As the optimization, support piece still includes first backup pad and second backup pad, and regulating plate lower part level sets up the second backup pad, and the alignment jig bottom sets up first backup pad, and first backup pad passes through the second connecting piece with the second backup pad and links to each other to first backup pad is parallel with the second backup pad. As an optimization, the second connecting piece comprises a second bolt, a second nut, a third nut and a fourth nut, bolt holes are formed in corresponding positions of the first supporting plate and the second supporting plate, the second bolt sequentially penetrates through the first supporting plate and the second supporting plate, the top of the second nut is abutted to the bottom of the first supporting plate, and the top of the third nut and the top of the fourth nut are respectively abutted to the top and the bottom of the second supporting plate. As optimization, the first connecting piece comprises a first bolt and a first nut, the two ends of the adjusting plate are symmetrically provided with long-strip holes, the two ends of the adjusting frame are symmetrically provided with bolt holes adapting to the long-strip holes, and the first bolt sequentially penetrates through the bolt holes of the adjusting frame and the long-strip holes of the adjusting plate to be connected with the first nut through threads. As optimization, the belt wheel transmission assembly further comprises a driving wheel and a driven wheel, the output end of the auxiliary engine is connected with the driving wheel, the outer walls of the driving wheel and the driven wheel are sleeved with a transmission belt, and the driven wheel is co