CN208630735U - A kind of hydraulic crawler excavator tensioning device - Google Patents
A kind of hydraulic crawler excavator tensioning device Download PDFInfo
- Publication number
- CN208630735U CN208630735U CN201820634055.1U CN201820634055U CN208630735U CN 208630735 U CN208630735 U CN 208630735U CN 201820634055 U CN201820634055 U CN 201820634055U CN 208630735 U CN208630735 U CN 208630735U
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- CN
- China
- Prior art keywords
- axle sleeve
- crawler excavator
- sleeve
- mandril
- pressure support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of hydraulic crawler excavator tensioning devices, including pedestal, axle sleeve, mounting plate is provided on rear side of the pedestal, the pedestal front center is provided with sleeve, mandril is provided in the sleeve, reset spring is provided with outside the mandril, the mandrel ends are provided with the axle sleeve, the mandril is provided with limited step close to the axle sleeve position, the sleeve two sides are provided with hydraulic pressure support bar, range finding probe is provided on the hydraulic pressure support bar side wall, connector is provided at the top of the hydraulic pressure support bar, the axle sleeve center is provided with axis hole, the axis hole surrounding is provided with fixation hole, the axle sleeve two sides are provided with spiral arm, pin hole is provided on the spiral arm, fixed pin shaft is provided in the pin hole.Beneficial effect is: the normal tight of crawler belt can be guaranteed by possessing two sets of hydraulic pressure support bars, and stability is good when use, avoid chance failure to mechanical influence.
Description
Technical field
The utility model relates to technical field of engineering machinery, more particularly to a kind of hydraulic crawler excavator tensioning device.
Background technique
Hydraulic crawler excavator is a kind of multi-functional mechanical, is widely used in hydraulic engineering, communications and transportation, power engineering and mine
In the mechanical executions such as mountain digging, it is mitigating heavy manual labor, guarantees construction quality, Accelerating The Construction speed and raising labor
It is played a very important role in terms of dynamic productivity.Since hydraulic crawler excavator has multi items, multi-functional, high quality and high efficiency
The features such as, therefore receive the favor of vast construction operation unit.Crawler belt is easy from walking hydraulic machinery during use
It is detached from system, influences normally to use, but if tightening for crawler belt is kept to be easy so that crawler belt fracture, direct shadow for a long time
Ring the service life for arriving machine.Application No. is 201420587544.8 Chinese patents, disclose a kind of hydraulic crawler excavator tensioner
Device, which is characterized in that including mandril and cylinder body, one end of mandril is set in inner chamber of cylinder block and can slide along inboard wall of cylinder block, pushes up
The other end of bar is connect with directive wheel, is cased with spring and spring base outside cylinder body, and spring socket sleeve is outside cylinder body and can be opposite with cylinder body
Mobile, one end of spring is against cylinder body, and the other end is against spring base, and when hydraulic crawler excavator is advanced, spring is in compressive state,
Wherein, the line footpath of the spring is 38mm.The maximum load and installed load of the spring be respectively 139.8KN and
88.5KN.Above-mentioned patent exists during use if hydraulic system goes wrong, crawler belt will between fall off, when use
Stability difference disadvantage.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of hydraulic crawler excavator tensioning device.
The utility model achieves the above object through the following technical schemes:
A kind of hydraulic crawler excavator tensioning device, including pedestal, axle sleeve, the pedestal rear side are provided with mounting plate, the bottom
Seat front center is provided with sleeve, and mandril is provided in the sleeve, reset spring, the top are provided with outside the mandril
Boom end is provided with the axle sleeve, and the mandril is provided with limited step, the sleeve two sides setting close to the axle sleeve position
There is hydraulic pressure support bar, range finding probe is provided on the hydraulic pressure support bar side wall, is provided with connection at the top of the hydraulic pressure support bar
Part, the axle sleeve center are provided with axis hole, and the axis hole surrounding is provided with fixation hole, and the axle sleeve two sides are provided with spiral arm, institute
It states and is provided with pin hole on spiral arm, be provided with fixed pin shaft in the pin hole.
Further, the mounting plate welding on the base, is machined on the mounting plate convenient for fixed elongated slot
Hole.
Further, on the base, the mandril is welded on the axle sleeve sleeve vertical welding, described
Mandril is plugged on the sleeve inner.
Further, the hydraulic pressure support bar is fixed by screws on the pedestal, and the connector is solid by screw
It is scheduled on the piston rod of the hydraulic pressure support bar, the connector is fixed together by the fixed pin shaft and the spiral arm.
Further, the fixed pin shaft is tension pin.
Further, the range finding probe is fixed by screws on the pedestal, is revolved described in the range finding probe face
Arm setting, the range finding probe are infrared distance detector, and the range finding probe is electrically connected with the vehicle-mounted controller.
Further, the axis hole is molded over axle sleeve center, and the size of the axis hole is greater than hydraulic crawler excavator dynamical system
Shaft diameter, the axle sleeve by screw pass through the fixation hole be fixed on the wheel hub of hydraulic crawler excavator directive wheel.
Further, the spiral arm is integrated with the axle sleeve casting and forming, and the thickness of the spiral arm is not less than two lis
Rice.
Further, the pin hole is molded on the spiral arm, and the pin hole is counterbore.
In above structure, during use, the axle sleeve is nested in the directive wheel shaft of hydraulic crawler excavator, benefit
It is fixed with bolt, the mounting plate is fixed by screws in the rack of hydraulic crawler excavator, is pacified using the fixed pin shaft
The connector is installed, the position of directive wheel is controlled by the elongation of two hydraulic pressure support bars of control, and then adjusts and carries out
The tightness of band, the reset spring play the role of damping vibration, when one of them described hydraulic pressure support bar breaks down
When, another hydraulic pressure support bar may continue to the fixation of guarantee of work crawler belt, and the range finding probe can accurate layback institute
The position of spiral arm is stated, to facilitate the elongation for controlling the hydraulic pressure support bar, and when the hydraulic pressure support bar breaks down
Discovery in time, it is convenient to repair in time.
The utility model has the beneficial effects that: the normal tight of crawler belt can be guaranteed by possessing two sets of hydraulic pressure support bars, make
Used time stability is good, avoids chance failure to mechanical influence.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of front view structure schematic diagram of hydraulic crawler excavator tensioning device described in the utility model；
Fig. 2 is a kind of axle sleeve structure schematic diagram of hydraulic crawler excavator tensioning device described in the utility model；
Fig. 3 is a kind of fixed pin shaft structure diagram of hydraulic crawler excavator tensioning device described in the utility model.
The reference numerals are as follows:
1, reset spring；2, range finding probe；3, pedestal；4, mounting plate；5, sleeve；6, hydraulic pressure support bar；7, connector；8,
Fixed pin shaft；9, spiral arm；10, axle sleeve；11, mandril；12, axis hole；13, limited step；14, pin hole；15, fixation hole.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1-Figure 3, a kind of hydraulic crawler excavator tensioning device, including pedestal 3, axle sleeve 10 are provided on rear side of pedestal 3
Mounting plate 4,3 front center of pedestal are provided with sleeve 5, and mandril 11 is provided in sleeve 5, is provided with reset spring outside mandril 11
1,11 end of mandril is provided with axle sleeve 10, and mandril 11 is provided with limited step 13 close to 10 position of axle sleeve, and 5 two sides of sleeve are provided with
Hydraulic pressure support bar 6 is provided with range finding probe 2 on 6 side wall of hydraulic pressure support bar, connector 7, axis is provided at the top of hydraulic pressure support bar 6
It covers 10 centers and is provided with axis hole 12,12 surrounding of axis hole is provided with fixation hole 15, and 10 two sides of axle sleeve are provided with spiral arm 9, set on spiral arm 9
It is equipped with pin hole 14, fixed pin shaft 8 is provided in pin hole 14.
Further, the welding of mounting plate 4 on the base 3, is machined on mounting plate 4 convenient for fixed long slot hole, sleeve 5 hangs down
On the base 3, mandril 11 is welded on axle sleeve 10, and mandril 11 is plugged on inside sleeve 5, and hydraulic pressure support bar 6 passes through spiral shell for straight welding
Nail is fixed on the base 3, and connector 7 is fixed by screws on the piston rod of hydraulic pressure support bar 6, and connector 7 passes through fixed pin
Axis 8 is fixed together with spiral arm 9, and fixed pin shaft 8 is tension pin, and range finding probe 2 is fixed by screws on pedestal 3, and ranging is visited
First 2 face spiral arm 9 is arranged, and range finding probe 2 is infrared distance detector, and range finding probe 2 is electrically connected with the vehicle-mounted controller, axis hole 12
It is molded over 10 center of axle sleeve, the size of axis hole 12 is greater than the shaft diameter of hydraulic crawler excavator dynamical system, and axle sleeve 10 passes through screw
On the wheel hub that fixation hole 15 is fixed on hydraulic crawler excavator directive wheel, spiral arm 9 is integrated with 10 casting and forming of axle sleeve, spiral arm 9
Thickness be not less than two centimetres, pin hole 14 is molded on spiral arm 9, pin hole 14 be counterbore.
In above structure, during use, axle sleeve 10 is nested in the directive wheel shaft of hydraulic crawler excavator, spiral shell is utilized
Bolt is fixed, and mounting plate 4 is fixed by screws in the rack of hydraulic crawler excavator, installs connector using fixed pin shaft 8
7, the position of directive wheel is controlled by the elongation of two hydraulic pressure support bars 6 of control, and then adjust the tightness of crawler belt, reset
Spring 1 plays the role of damping vibration, and when one of hydraulic pressure support bar 6 breaks down, another hydraulic pressure support bar 6 still may be used
Work on and guarantee the fixation of crawler belt, range finding probe 2 can accurate layback spiral arm 9 position, to facilitate control hydraulic pressure support
The elongation of bar 6, and found in time when hydraulic pressure support bar 6 breaks down, it is convenient to repair in time.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.
Claims (9)
1. a kind of hydraulic crawler excavator tensioning device, it is characterised in that: including pedestal (3), axle sleeve (10), on rear side of the pedestal (3)
It being provided with mounting plate (4), pedestal (3) front center is provided with sleeve (5), mandril (11) are provided in the sleeve (5),
It is provided with reset spring (1) outside the mandril (11), mandril (11) end is provided with the axle sleeve (10), the mandril
(11) it is provided with limited step (13) close to the axle sleeve (10) position, sleeve (5) two sides are provided with hydraulic pressure support bar
(6), it is provided with range finding probe (2) on hydraulic pressure support bar (6) side wall, is provided with connection at the top of the hydraulic pressure support bar (6)
Part (7), axle sleeve (10) center are provided with axis hole (12), and axis hole (12) surrounding is provided with fixation hole (15), the axis
Set (10) two sides are provided with spiral arm (9), are provided with pin hole (14) on the spiral arm (9), are provided with fixation in the pin hole (14)
Pin shaft (8).
2. a kind of hydraulic crawler excavator tensioning device according to claim 1, it is characterised in that: mounting plate (4) welding
On the pedestal (3), it is machined on the mounting plate (4) convenient for fixed long slot hole.
3. a kind of hydraulic crawler excavator tensioning device according to claim 1, it is characterised in that: sleeve (5) vertical welding
It connects on the pedestal (3), the mandril (11) is welded on the axle sleeve (10), and the mandril (11) is plugged on the sleeve
(5) internal.
4. a kind of hydraulic crawler excavator tensioning device according to claim 1, it is characterised in that: the hydraulic pressure support bar (6)
It is fixed by screws on the pedestal (3), the connector (7) is fixed by screws in the work of the hydraulic pressure support bar (6)
On stopper rod, the connector (7) is fixed together by the fixed pin shaft (8) with the spiral arm (9).
5. a kind of hydraulic crawler excavator tensioning device according to claim 1, it is characterised in that: the fixed pin shaft (8) is
Tension pin.
6. a kind of hydraulic crawler excavator tensioning device according to claim 1, it is characterised in that: the range finding probe (2) is logical
It crosses screw to be fixed on the pedestal (3), the setting of spiral arm (9) described in range finding probe (2) face, the range finding probe (2)
For infrared distance detector, the range finding probe (2) is electrically connected with the vehicle-mounted controller.
7. a kind of hydraulic crawler excavator tensioning device according to claim 1, it is characterised in that: the axis hole (12) is molded over
Axle sleeve (10) center, the size of the axis hole (12) are greater than the shaft diameter of hydraulic crawler excavator dynamical system, the axle sleeve (10)
The fixation hole (15) are passed through by screw to be fixed on the wheel hub of hydraulic crawler excavator directive wheel.
8. a kind of hydraulic crawler excavator tensioning device according to claim 1, it is characterised in that: the spiral arm (9) with it is described
Axle sleeve (10) casting and forming is integrated, and the thickness of the spiral arm (9) is not less than two centimetres.
9. a kind of hydraulic crawler excavator tensioning device according to claim 1, it is characterised in that: the pin hole (14) is molded over
On the spiral arm (9), the pin hole (14) is counterbore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820634055.1U CN208630735U (en) | 2018-04-29 | 2018-04-29 | A kind of hydraulic crawler excavator tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820634055.1U CN208630735U (en) | 2018-04-29 | 2018-04-29 | A kind of hydraulic crawler excavator tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208630735U true CN208630735U (en) | 2019-03-22 |
Family
ID=65731854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820634055.1U Expired - Fee Related CN208630735U (en) | 2018-04-29 | 2018-04-29 | A kind of hydraulic crawler excavator tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208630735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874116A (en) * | 2020-08-12 | 2020-11-03 | 阳泉煤业（集团）股份有限公司 | Crawler-type independent driving tensioning adjusting mechanism |
-
2018
- 2018-04-29 CN CN201820634055.1U patent/CN208630735U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874116A (en) * | 2020-08-12 | 2020-11-03 | 阳泉煤业（集团）股份有限公司 | Crawler-type independent driving tensioning adjusting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20200429 |