CN203845696U - Compact gear transmission box - Google Patents

Compact gear transmission box Download PDF

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Publication number
CN203845696U
CN203845696U CN201420146487.XU CN201420146487U CN203845696U CN 203845696 U CN203845696 U CN 203845696U CN 201420146487 U CN201420146487 U CN 201420146487U CN 203845696 U CN203845696 U CN 203845696U
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China
Prior art keywords
gear
plate
straight
board
wheel
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CN201420146487.XU
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Chinese (zh)
Inventor
陈亚东
丁忍
程龙
张志强
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CRRC Qishuyan Institute Co Ltd
Changzhou Ruitai Engineering Machinery Co Ltd
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CRRC Qishuyan Institute Co Ltd
Changzhou Ruitai Engineering Machinery Co Ltd
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Priority to CN201420146487.XU priority Critical patent/CN203845696U/en
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Abstract

The utility model discloses a compact gear transmission box which comprises a box body, an open type straight gear transmission wheel system, a closed type bevel gear transmission wheel system, a travelling wheel shaft device and a braking device, wherein the box body is formed in a way that a front plate, a back plate, a middle side plate, a middle back plate, a middle top plate, a left side plate, a right side plate, a top plate and a bottom plate are welded; the closed type bevel gear transmission wheel system is supported on a first sub box body which is composed of the front plate, the middle side plate, the middle back plate, a right side plate, a middle top plate and the bottom plate; the open type straight gear transmission wheel system is supported on a second sub box body which is composed of the front plate, the back plate, the middle back plate, the left side plate, the right side plate, the top plate and a middle bearing seat; the travelling wheel shaft device comprises a wheel shaft, a travelling wheel and a travelling wheel bearing, wherein the travelling wheel is supported on the wheel shaft by virtue of the travelling wheel bearing, the travelling wheel is fixedly connected with a third straight gear, and the bottom of the travelling wheel is exposed out of an opening in the bottom of the box body; and the braking device is installed on the left side plate. The compact gear transmission box has the advantages of compact structure, convenience in maintenance and higher running speed.

Description

A kind of compact gear transmission gearbox
Technical field
The utility model relates to the running mechanism of a kind of hoisting crane, mass transport dolly, relates in particular to a kind of gear.
Background technology
At present, most of gauntry crane, mass transport dolly adopt motor band drop-gear box to drive the running mechanism of walking wheel form mostly.As in China Patent Publication No. being: CN 101934975 A, name is called in the patent documentation of " a kind of walking machine device ", has introduced a kind of travelling mechanism device of locomotive crane.In China Patent Publication No., be: CN 101284565 A, name is called in the patent documentation of " traveling gear of hoisting crane ", has introduced a kind of traveling gear of hoisting crane.In above two kinds of technical schemes, the shared bulk of running mechanism is larger, and lateral dimension is especially unfavorable for mechanically middle-size and small-size, especially on track engineering vehicle, being difficult to lightweight, the compact designed of running mechanism be suitable for.And patent publication No. is: CN 101284565 A, and name is called the patent of " traveling gear of hoisting crane ", adopts long rack drives, and its economy and reliability are not good.
Summary of the invention
The purpose of this utility model is to provide a kind of compact conformation, is convenient to safeguard and have the compact gear transmission gearbox of higher running velocity.
The technical scheme that realizes above-mentioned purpose is: a kind of compact gear transmission gearbox, comprise casing, open type Spur Gear Driving train, enclosed bevel drive train, walking wheel shaft device and brake equipment,
Described casing is welded by header board, backboard, middle side plate, intermediate back-plate, middle top board, left side board, right side board, top board and base plate, the bottom of casing has opening, described right side board is provided with driving pinion bearing housing, intermediate back-plate is provided with driven shaft bearing, middle side plate is provided with middle bearing bracket
Described enclosed bevel drive train is supported on by header board, middle side plate, intermediate back-plate, right side board, on first minute casing that middle top board and base plate form, described enclosed bevel drive train comprises drive bevel gear, driven wheel of differential, drive bevel gear bearing, two driven shaft bearings and driven shaft, described drive bevel gear is supported on driving pinion bearing housing by drive bevel gear bearing, drive bevel gear and driven wheel of differential engagement, driven wheel of differential is fixed on driven shaft, driven shaft is supported on respectively on header board and intermediate back-plate by two driven shaft bearings,
Described open type Spur Gear Driving train is supported on by header board, backboard, intermediate back-plate, left side board, right side board, on second minute casing that top board and middle bearing bracket form, described open type Spur Gear Driving train comprises the first straight gear, the second straight gear, the 3rd straight gear, straight-tooth wheel shaft, two straight gear axle bearings, described the first straight gear is fixed on one end of driven shaft, the first straight gear and the engagement of the second straight gear, the second straight gear is fixed on straight-tooth wheel shaft, straight-tooth wheel shaft is supported on respectively on middle bearing bracket and backboard by two straight gear axle bearings, the second straight gear and the engagement of the 3rd straight gear,
Described walking wheel shaft device comprises wheel shaft, walking wheel and walking wheel bearing, the two ends of described wheel shaft are separately fixed on header board and backboard, described walking wheel passes through walking wheel bearings on wheel shaft, walking wheel is fixedly connected with the 3rd straight gear, expose outside the opening of bottom half the bottom of walking wheel
Described brake equipment is contained on left side board, and the brake plate of brake equipment can offset with walking wheel.
Described brake equipment also comprises brake cylinder and installation frame, and the piston rod of brake cylinder connects brake plate, and brake cylinder is fixed on left side board by installation frame.
The header board of described casing and the top of backboard have installation pin-and-hole.
The magnetic screw plug of draining the oil is set on described base plate.
On described right side board, be fixed with synchronous hydraulic motor, synchronous hydraulic motor driven connects drive bevel gear.
Described walking wheel is fixedly connected with the 3rd straight gear by bolt.
Adopt after said structure, because the case supports of open type driving system is all protected whole open type gear driving system except the walking wheel of bottom, greatly reduced the impact of foreign matter opposite opened gear train assembly, extended the life-span of open type gear driving system.Owing to having adopted finishing bevel gear cuter vertical-transmission mode, facilitated the whole installation of structure, make gear obtain less lateral dimension, compact conformation.Because gear adopts synchronous hydraulic motor, drive, guaranteed the ride comfort of gear work.Because brake system adopts normal closing structure, make gear there is failure-free safety in utilization.The utility model has effectively reduced the bulk of running mechanism under the prerequisite that guarantees reliable transmission.In addition, the utility model also has easy maintaining, feature that comprehensive economy is good.The utility model is applicable to the middle-size and small-size gauntry crane on track engineering vehicle, the running mechanism of mass transport dolly.
Accompanying drawing explanation
The embodiment providing below in conjunction with accompanying drawing is described in further detail the utility model.
Fig. 1 is the structural representation of compact gear transmission gearbox of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the transmission schematic diagram of compact gear transmission gearbox of the present utility model.
The specific embodiment
As shown in Figure 1,2,3, 4, a kind of compact gear transmission gearbox of the present utility model, comprises casing 1, open type Spur Gear Driving train 2, enclosed bevel drive train 3, walking wheel shaft device 4 and brake equipment 5,
Described casing 1 is welded by header board 1-1, backboard 1-2, middle side plate 1-3, intermediate back-plate 1-4, middle top board 1-8, left side board 1-5, right side board 1-9, top board 1-10 and base plate 1-7, the bottom of casing 1 has opening 1-11, described right side board 1-9 is provided with driving pinion bearing housing 3-6, intermediate back-plate 1-4 is provided with driven shaft bearing 3-5, middle side plate 1-3 is provided with middle bearing bracket 1-6
Described enclosed bevel drive train 3 is supported on by header board 1-1, middle side plate 1-3, intermediate back-plate 1-4, right side board 1-9, on first minute casing that middle top board 1-8 and base plate 1-7 form, described enclosed bevel drive train 3 comprises drive bevel gear 3-1, driven wheel of differential 3-2, drive bevel gear bearing 3-3, two driven shaft bearing 3-4 and driven shaft 2-6, described drive bevel gear 3-1 is supported on driving pinion bearing housing 3-6 by drive bevel gear bearing 3-3, drive bevel gear 3-1 and driven wheel of differential 3-2 engagement, driven wheel of differential 3-2 is fixed on driven shaft 2-6, driven shaft 2-6 is supported on respectively on header board 1-1 and intermediate back-plate 1-4 by two driven shaft bearing 3-4,
Described open type Spur Gear Driving train 2 is supported on by header board 1-1, backboard 1-2, intermediate back-plate 1-4, left side board 1-5, right side board 1-9, on second minute casing that top board 1-10 and middle bearing bracket 1-6 form, described open type Spur Gear Driving train 2 comprises the first straight gear 2-1, the second straight gear 2-2, the 3rd straight gear 2-3, straight-tooth wheel shaft 2-7, two straight gear axle bearing 2-5, described the first straight gear 2-1 is fixed on one end of driven shaft 2-6, the first straight gear 2-1 and the second straight gear 2-2 engagement, the second straight gear 2-2 is fixed on straight-tooth wheel shaft 2-7, straight-tooth wheel shaft 2-7 is supported on respectively on middle bearing bracket 1-6 and backboard 1-2 by two straight gear axle bearing 2-5, the second straight gear 2-2 and the 3rd straight gear 2-3 engagement,
Described walking wheel shaft device 4 comprises wheel shaft 4-2, walking wheel 4-1 and walking wheel bearing 4-3, the two ends of described wheel shaft 4-2 are separately fixed on header board 1-1 and backboard 1-2, described walking wheel 4-1 is supported on wheel shaft 4-2 by walking wheel bearing 4-3, walking wheel 4-1 is fixedly connected with the 3rd straight gear 2-3, expose outside the opening 1-11 of casing 1 bottom the bottom of walking wheel 4-1
It is upper that described brake equipment 5 is contained in left side board 1-5, and the brake plate 5-3 of brake equipment 5 can offset with walking wheel 4-1.
The utility model adopts enclosed bevel drive train 3, is conducive to structural entity and arranges, make gear compact conformation, lateral dimension is little, aesthetic in appearance.Because bevel-gear pair relative cost is higher, adopt closed-type cylindrical gearing mode, can effectively extend its service life, reach good comprehensive economy.Adopt open type Spur Gear Driving train 2 to there is easy processing, easy care, the advantage that comprehensive economy is good are easily installed.
As shown in Figure 1, described brake equipment 5 also comprises brake cylinder 5-1 and installation frame 5-2, and the piston rod of brake cylinder 5-1 connects brake plate 5-3, and brake cylinder 5-1 is fixed on left side board 1-5 by installation frame 5-2.For normal closed form, there is higher safety in utilization.When running mechanism stops, brake cylinder 5-1 is without pressure, and brake plate 5-3 is pressed on walking wheel 4-1 tread under brake cylinder 5-1 effect, during running mechanism work, and brake cylinder 5-1 work, brake plate 5-3 unclamps.
As shown in Figure 1, the header board 1-1 of described casing 1 and the top of backboard 1-2 have the pin-and-hole 7 of installation.Described installation pin-and-hole 7 for complete machine (for example running mechanism) pin joint, also can adopt according to actual needs other connecting modes to be connected with complete machine.
As shown in Figure 3, the magnetic screw plug 9 of draining the oil is set on described base plate 1-7.
As shown in Figure 1, 2, on described right side board 1-9, be fixed with synchronous hydraulic motor 8, the synchronous hydraulic motor 8 drive bevel gear 3-1 that is in transmission connection.By synchronous hydraulic motor, 8 soft drive drive bevel gear 3-1 move, and can guarantee the ride comfort of running mechanism work.
As shown in Figure 2, described walking wheel 4-1 is fixedly connected with the 3rd straight gear 2-3 by bolt 6.
The utility model is because open type Spur Gear Driving train 2 is supported on the second minute casing consisting of header board 1-1, backboard 1-2, intermediate back-plate 1-4, left side board 1-5, right side board 1-9, top board 1-10 and middle bearing bracket 1-6, within second minute, casing all protects whole open type gear driving train 2 and walking wheel shaft device 4 except walking wheel 4-1 bottom, greatly reduce the impact of foreign matter opposite opened gear transmission train 2, extended the life-span of open type gear driving train 2.
As shown in Figure 1,2,3, 4, the utility model when work, described enclosed bevel drive train 3 by driven shaft 2-6 by transmission of power to open type Spur Gear Driving train 2.Described the 3rd straight gear 2-3 links into an integrated entity with transferring power with walking wheel 4-1 by bolt 6, drives walking wheel 4-1 traveling.The utility model compact conformation, transmission of power is reliable.Described open type Spur Gear Driving train 2 adopts grease lubrication, and enclosed bevel drive train 3 adopts gear oil lubricated.

Claims (6)

1. a compact gear transmission gearbox, is characterized in that:
A. comprise casing (1), open type Spur Gear Driving train (2), enclosed bevel drive train (3), walking wheel shaft device (4) and brake equipment (5),
B. described casing (1) is welded by header board (1-1), backboard (1-2), middle side plate (1-3), intermediate back-plate (1-4), middle top board (1-8), left side board (1-5), right side board (1-9), top board (1-10) and base plate (1-7), the bottom of casing (1) has opening (1-11), described right side board (1-9) is provided with driving pinion bearing housing (3-6), intermediate back-plate (1-4) is provided with driven shaft bearing (3-5), middle side plate (1-3) is provided with middle bearing bracket (1-6)
C. described enclosed bevel drive train (3) is supported on by header board (1-1), middle side plate (1-3), intermediate back-plate (1-4), right side board (1-9), on first minute casing that middle top board (1-8) and base plate (1-7) form, described enclosed bevel drive train (3) comprises drive bevel gear (3-1), driven wheel of differential (3-2), drive bevel gear bearing (3-3), two driven shaft bearings (3-4) and driven shaft (2-6), described drive bevel gear (3-1) is supported on driving pinion bearing housing (3-6) by drive bevel gear bearing (3-3), drive bevel gear (3-1) and driven wheel of differential (3-2) engagement, driven wheel of differential (3-2) is fixed on driven shaft (2-6), driven shaft (2-6) is supported on respectively on header board (1-1) and intermediate back-plate (1-4) by two driven shaft bearings (3-4),
D. described open type Spur Gear Driving train (2) is supported on by header board (1-1), backboard (1-2), intermediate back-plate (1-4), left side board (1-5), right side board (1-9), on second minute casing that top board (1-10) and middle bearing bracket (1-6) form, described open type Spur Gear Driving train (2) comprises the first straight gear (2-1), the second straight gear (2-2), the 3rd straight gear (2-3), straight-tooth wheel shaft (2-7), two straight gear axle bearings (2-5), described the first straight gear (2-1) is fixed on one end of driven shaft (2-6), the first straight gear (2-1) and the second straight gear (2-2) engagement, the second straight gear (2-2) is fixed on straight-tooth wheel shaft (2-7), straight-tooth wheel shaft (2-7) is supported on respectively on middle bearing bracket (1-6) and backboard (1-2) by two straight gear axle bearings (2-5), the second straight gear (2-2) and the 3rd straight gear (2-3) engagement,
E. described walking wheel shaft device (4) comprises wheel shaft (4-2), walking wheel (4-1) and walking wheel bearing (4-3), the two ends of described wheel shaft (4-2) are separately fixed on header board (1-1) and backboard (1-2), described walking wheel (4-1) is supported on wheel shaft (4-2) by walking wheel bearing (4-3), walking wheel (4-1) is fixedly connected with the 3rd straight gear (2-3), expose outside the opening (1-11) of casing (1) bottom the bottom of walking wheel (4-1)
F. described brake equipment (5) is contained in left side board (1-5) above, and the brake plate (5-3) of brake equipment (5) can offset with walking wheel (4-1).
2. compact gear transmission gearbox according to claim 1, it is characterized in that: described brake equipment (5) also comprises brake cylinder (5-1) and installation frame (5-2), the piston rod of brake cylinder (5-1) connects brake plate (5-3), and brake cylinder (5-1) is fixed on left side board (1-5) by installation frame (5-2).
3. compact gear transmission gearbox according to claim 1, is characterized in that: the header board (1-1) of described casing (1) and the top of backboard (1-2) have installation pin-and-hole (7).
4. compact gear transmission gearbox according to claim 1, is characterized in that: the magnetic screw plug (9) of draining the oil is set on described base plate (1-7).
5. compact gear transmission gearbox according to claim 1, is characterized in that: on described right side board (1-9), be fixed with synchronous hydraulic motor (8), synchronous hydraulic motor (8) drive bevel gear (3-1) that is in transmission connection.
6. compact gear transmission gearbox according to claim 1, is characterized in that: described walking wheel (4-1) is fixedly connected with the 3rd straight gear (2-3) by bolt (6).
CN201420146487.XU 2014-03-28 2014-03-28 Compact gear transmission box Active CN203845696U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420146487.XU CN203845696U (en) 2014-03-28 2014-03-28 Compact gear transmission box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420146487.XU CN203845696U (en) 2014-03-28 2014-03-28 Compact gear transmission box

Publications (1)

Publication Number Publication Date
CN203845696U true CN203845696U (en) 2014-09-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103910283A (en) * 2014-03-28 2014-07-09 常州市瑞泰工程机械有限公司 Compact-type gear drive box

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103910283A (en) * 2014-03-28 2014-07-09 常州市瑞泰工程机械有限公司 Compact-type gear drive box
CN103910283B (en) * 2014-03-28 2017-02-08 常州市瑞泰工程机械有限公司 Compact-type gear drive box

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