CN202726418U - Pin inserting and pulling device and engineering machine - Google Patents
Pin inserting and pulling device and engineering machine Download PDFInfo
- Publication number
- CN202726418U CN202726418U CN 201220308540 CN201220308540U CN202726418U CN 202726418 U CN202726418 U CN 202726418U CN 201220308540 CN201220308540 CN 201220308540 CN 201220308540 U CN201220308540 U CN 201220308540U CN 202726418 U CN202726418 U CN 202726418U
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- pin
- pulling device
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- actuator
- bearing pin
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Abstract
The utility model provides a pin inserting and pulling device, which is used for pulling or inserting a pin. The pin inserting and pulling device comprises a driving component and a bracket used for supporting the driving component, wherein one end of the driving component is detachably connected to the bracket; the other end of the driving component can retract and extend in the manner of being relative to the bracket and can be detachably connected with the pin; the driving component pulls or inserts the pin through extension and retraction; and the bracket supports the driving component. The pin inserting and pulling device provided by the utility model can be used and loaded at any time and is not required to move with a vehicle body, so that the weight of a whole vehicle can be reduced to a great extent during driving; and compared with plural sets of pin shaft components on the vehicle, the pin inserting and pulling device has the advantages that the using number of the pin inserting and pulling device can be reduced, meanwhile, the structure is light and portable, the requirement of manual carrying can be met, and the production efficiency is greatly improved. Furthermore, the utility model also provides an engineering machine.
Description
Technical field
The utility model relates to engineering machinery field, more specifically, relates to a kind of pin inserting-pulling device and contains the engineering machinery of this pin inserting-pulling device.
Background technology
Along with the future development of crane to large-tonnage, super-tonnage, the complete machine weight of crane is also increasing, but owing to be subject to the restriction of relevant road rules, the complete machine weight of crane, single bridge load have clear and definite upper limit requirement, therefore, the hoister in large tonnage front parts unnecessary must remove large arm, counter-balanced carriage etc. and travel the time of setting out on a journey are with weight reduction.
Because the large arm size of crane is large, weight is large, the large arm of dismounting is very time-consuming operation, the bearing pin at hinge place on the bearing pin at the hinge place of especially large arm afterbody and the luffing, and plug is got up to require great effort very much time-consuming.
In order to adapt to the frequent dismounting operation of the large arm of crane, hoister in large tonnage needs various automatic disassembling devices to come less important work, to alleviate workman's labour intensity, improves efficiency of construction.
Disclose a kind of simple in structure, Assembly of pin that latch is built-in in the correlation technique, it comprises bearing pin, oil cylinder, erection support and axle end baffle plate.This structure need not servicing unit, can finish the insert-pull pin operation by manually-operated.But this Assembly of pin need to carry with car, and required tricks is more, and an Assembly of pin all need be installed by each main bearing pin place, has increased the weight when complete machine travels; In addition, the mounting means of this Assembly of pin is complicated, and the exchange versatility is relatively poor.
Therefore, in order to satisfy the frequent dismounting of large arm, need badly a kind of light, stable performance simple to operate, dexterous be provided, the exchange versatility is good and can be by the bearing pin plug-in and pull-off device of manpower conveyance, this pin shaft device also should disassemble from car load simultaneously, needn't carry with car the complete machine weight when travelling with reduction.
The utility model content
In order to solve the aforementioned problems in the prior, the utility model provides a kind of novel pin inserting-pulling device, the lighter portable of structure, manually get final product conveyance, can be fast when the large arm of dismounting and car body install, needn't carry with car, alleviate the complete vehicle weight when travelling, improve simultaneously the versatility of pin inserting-pulling device, reduce the tricks of required pin inserting-pulling device, save cost.In addition, the utility model also provides a kind of engineering machinery.
The utility model provides a kind of pin inserting-pulling device, be used for extracting or inserting of pin, the support that it comprises actuator and supports described actuator, one end of described actuator removably is connected on the described support, the other end of described actuator can be flexible with respect to described support, and the other end of described actuator can removably be connected with described pin, and described actuator being extracted or inserting, the described actuator of described stent support by the flexible described pin of realization.
In technique scheme, preferably, described actuator is installed on the described support by the first bearing pin and the second bearing pin, wherein, one end of described actuator is connected with described the second bearing pin by the first bearing pin, described the second bearing pin is fixed on the described support, and the axis of described the first bearing pin is vertical with the axis of described the second bearing pin.
In technique scheme, preferably, described the first bearing pin is straight pin, and described the second bearing pin is square cotter.
In technique scheme, preferably, described support is hollow cylinder, and it is inner that described actuator is positioned at described hollow cylinder, and an end of described hollow cylinder is provided with flange.
In technique scheme, preferably, be provided with lightening hole on the barrel of described hollow cylinder.
In technique scheme, preferably, with bolts between an end of described actuator and the end of described axle.
In technique scheme, preferably, be provided with the boss that matches with the backing pin groove of described pin on the described flange.
In technique scheme, preferably, described actuator is oil cylinder.
In technique scheme, described oil cylinder can be the built-in oil cylinder of oil pipe.
On the other hand, the utility model also provides a kind of engineering machinery, comprises aforesaid pin inserting-pulling device.
The technical scheme that the utility model provides, has following beneficial effect: simple and fast when package unit operates in dismounting, only need dismounting support and the connecting bolt of car body and the connecting bolt of actuator and pin to finish, can use at any time, install at any time, needn't be contained on the car load always, alleviate the weight when car load travels; In addition, this pin inserting-pulling device can be common to the plug of each main hinge pin, as long as each hinge interface is taked consistent design, then only needs configuration two these devices of cover can finish the plug of all hinge axles; This covering device is lightweight, no matter is telescopic oil cylinder or support, all can satisfy the requirement of single conveyance and installation.
Description of drawings
Fig. 1 is the perspective view according to pin inserting-pulling device one embodiment described in the utility model;
Fig. 2 is the cross-sectional schematic of structure shown in Figure 1;
Fig. 3 is the pin shaft mounting structure schematic diagram of large arm tail end pin joint in the crane;
Scheme of installation when Fig. 4 is device work shown in Figure 1;
Fig. 5 is the schematic diagram that device shown in Figure 1 carries out the latch operation;
Fig. 6 is the pull pin schematic diagram of operation of device shown in Figure 1.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1 to Fig. 6:
1 oil cylinder, 2 supports, 3 first bearing pins, 4 second bearing pins, 5 pins
6 flanges, 7 lightening holes, 81 first bolts, 82 second bolts
83 the 3rd bolts 84 the 4th bolt, 51 backing pin grooves, 52 backing pin plates
61 boss, 9 vehicle frames, 11 cylinder barrels, 12 piston rods
The specific embodiment
In order to make those skilled in the art understand better the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.Need to prove that in the situation of not conflicting, the application's embodiment and the feature among the embodiment can make up mutually.
A lot of details have been set forth in the following description so that fully understand the utility model, but, the utility model can also adopt and be different from other modes described here and implement, and therefore, the utility model is not subjected to the restriction of following public specific embodiment.
See also Fig. 1 to Fig. 6, the utility model provides a kind of pin inserting-pulling device, being used for pin 5 extracts or inserts, the support 2 that it comprises actuator and supports described actuator, one end of described actuator removably is connected on the described support 2, and the other end of described actuator also can stretch with respect to described support 2, and the other end of described actuator can removably be connected with described pin 5, described actuator is by flexible extracting or inserting of pin 5, the described actuator of described support 2 supports realized.
The pin inserting-pulling device that the utility model provides can be used at any time, with fashionable dress, needn't move with truck body, can alleviate to a great extent the complete vehicle quality when travelling.For the Assembly of pin of the many covers on being installed in car load, can reduce the quantity that pin inserting-pulling device uses, structure is light simultaneously, can satisfy the demand of artificial conveyance, has greatly improved production efficiency.
Actuator described above is oil cylinder 1, and it comprises cylinder barrel 11 and piston rod 12, and piston rod 12 is fixing with respect to support 2 in the present embodiment, and cylinder barrel 11 can move along the axial reciprocating of described piston rod 12.
Certainly, also can take to allow cylinder barrel fixing with respect to support 2, piston rod 12 is moved back and forth along the inwall of described cylinder barrel 11.As long as the relatively-stationary parts of oil cylinder are connected with support, and make oil cylinder movably parts be connected to pin 5, can satisfy the purpose that drive pin is extracted or inserted.
In the present embodiment, described oil cylinder 1 is the built-in oil cylinder of oil pipe.Like this, can avoid complicated oil pipe line arrangement, simplify the structure of oil cylinder and whole pin inserting-pulling device, avoid oil pipe breakage in the use procedure, cause the pollution of operating environment, be convenient to simultaneously the sealing of oil cylinder self.
Certainly, for crane and other engineering equipments of little tonnage, it is built-in that oil cylinder can't be made oil pipe, then also described oil cylinder 1 can be set to the oil cylinder of oil pipe external.This structure can strengthen the scope of application of pin inserting-pulling device, is convenient to its using and arranging at mini-plant.
The piston rod 12 of described oil cylinder 1 is installed on the described support 2 by the first bearing pin 3 and the second bearing pin 4, and wherein, an end of described piston rod 12 is connected with described the second bearing pin 4 by the first bearing pin 3, and described the second bearing pin 4 is fixed on the described support 2.
The axis of described the first bearing pin 3 is vertical with the axis of described the second bearing pin 4.
Such as Fig. 1, Fig. 2 and Fig. 4, shown in Figure 5, preferably, described the first bearing pin 3 is straight pin, and described the second bearing pin 4 is square cotter.
Carry out in the plug process of pin 5 at the plug pin assembly, one end of piston rod 12 is connected with pin 5, the other end is connected to support 2, because pin 5 may cause in the plug process and rock and reverse, can cause sizable impact to piston rod 12, therefore the end with piston rod 12 is connected with the second bearing pin 4 by round pin (i.e. the first bearing pin 3), so that piston rod 12 can rotate with respect to the second bearing pin 4, cushion pins 5 acts on the impulsive force on the piston rod 12, prolong the service life of oil cylinder, guarantee the reliability and stability of pin inserting-pulling device.
The second bearing pin 4 adopts square cotter can play position-limiting action, avoids simultaneously piston rod 12 to swing up and down, and guarantees the security reliability of insert-pull pin operation.
As shown in Figure 1, in the present embodiment, described support 2 is hollow cylinder, and it is inner that described oil cylinder 1 is positioned at described hollow cylinder, and an end of described hollow cylinder is provided with flange 6.
Preferably, be provided with lightening hole 7 on the barrel of described hollow cylinder.
Lightening hole can further alleviate the weight of support and a whole set of pin inserting-pulling device, simultaneously, lightening hole also helps the dismounting of oil cylinder 1 and support 2, be convenient to observe the ruuning situation of oil cylinder 1 in support 2, can namely be to find fault and keep in repair, guarantee the safety of insert-pull pin operation, reduce production costs.
As shown in Figure 4, be connected by the 3rd bolt 83 and the 4th bolt 84 between the cylinder barrel 11 of described oil cylinder 1 and the described pin 5.
The use bolt connects, and dismounting is more convenient on the one hand; On the other hand, bolted intensity is high, is fit to the bearing pin plug between the large arm of large-tonnage and the vehicle frame 9; Again on the one hand, bolt adopts standard component, also can further improve the exchange versatility of a whole set of pin inserting-pulling device, reduces the quantity that needs the pin inserting-pulling device that uses in the operation, reduces production costs.
Simultaneously, support 2 is connected on the vehicle frame 9 by the first bolt 81 and the second bolt 82.Like this, be convenient on the one hand the dismounting of support 2 and vehicle frame 9 supports, on the other hand, also help the exchange versatility that improves pin inserting-pulling device, realize standardization, handled easily reduces production costs.
As shown in Figure 1 and Figure 4, further, be provided with the boss 61 that matches with the backing pin groove 51 of described pin 5 on the described flange 6.
On the installation vehicle frame 9 of pin 5, be provided with backing pin groove 51 and be installed on backing pin plate 52 in the backing pin groove 51, backing pin plate 52 can prevent that shotpin 5 scurries out in pin-and-hole, guarantee production safety.
When the pin inserting-pulling device that uses present embodiment to provide, can now backing pin plate 52 be pulled down, the boss 61 of the flange 6 on the support 2 is installed in the backing pin groove 51, be convenient to being connected of support 2 and vehicle frame 9, can prevent simultaneously that support 2 from rotating with respect to vehicle frame 9, guaranteed production safety.
On the other hand, embodiment of the present utility model also provides a kind of engineering machinery, comprises the pin inserting-pulling device described in above-described embodiment.
Preferably, described engineering machinery can be crane, concrete mixer or fire fighting truck.
The specific works principle of present embodiment is:
Referring to Fig. 1, this pin inserting-pulling device comprises telescopic oil cylinder 1, support 2, square cotter (the second bearing pin 4) and round pin (the first bearing pin 3).
Interface mode corresponding to this pin inserting-pulling device roughly as shown in Figure 3 and Figure 4, first backing pin plate 52 is taken off, telescopic oil cylinder 1 is inserted in the installing hole of pin 5, by the 3rd bolt 83 and the 4th bolt 84 telescopic oil cylinder 1 and pin 5 are coupled together again, again support 2 usefulness the first bolt 81 and the second bolt 82 are coupled together with vehicle frame 9 afterwards, and telescopic oil cylinder 1 couples together with support 2 by the second bearing pin 4, the first bearing pins 3, so far just finishes the installation of whole device.
Referring to Fig. 5, handle telescopic oil cylinder 1 elongation, telescopic oil cylinder can apply a thrust by the 3rd bolt 83 and 84 pairs of pins 5 of the 3rd bolt, and band untie-sell 5 is inwardly motion together, enters vehicle frame 9, and large arm or miscellaneous part and vehicle frame 9 are linked into an integrated entity.
Referring to Fig. 6, install this device after, handle telescopic oil cylinder 1 and shorten, then telescopic oil cylinder 1 can apply a pulling force by the 3rd bolt 83 and 84 pairs of pins 5 of the 4th bolt, band untie-sell 5 is outwards motion together, enters the inner space of support 2, finishes the dismounting of large arm and vehicle frame 9.
The technical scheme that the utility model provides, has following beneficial effect: simple and fast when package unit operates in dismounting, only need dismounting support and the connecting bolt of car body and the connecting bolt of actuator and pin to finish, can use at any time, install at any time, needn't be contained on the car load always, alleviate the weight when car load travels; In addition, this pin inserting-pulling device can be common to the plug of each main hinge bearing pin, as long as each hinge interface is taked consistent design, then only needs configuration two these devices of cover can finish the plug of all hinge axles; This covering device is lightweight, no matter is telescopic oil cylinder or support, all can satisfy the requirement of single conveyance and installation.
In the utility model, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. pin inserting-pulling device, be used for extracting or inserting of pin (5), it is characterized in that, the support (2) that comprises actuator and the described actuator of support, one end of described actuator removably is connected on the described support (2), the other end of described actuator can be flexible with respect to described support (2), and the other end of described actuator can removably be connected with described pin (5), described actuator being extracted or inserting by the flexible described pin of realization (5), and described support (2) supports described actuator.
2. pin inserting-pulling device according to claim 1, it is characterized in that, described actuator is installed on the described support (2) by the first bearing pin (3) and the second bearing pin (4), wherein, one end of described actuator is connected with described the second bearing pin (4) by the first bearing pin (3), described the second bearing pin (4) is fixed on the described support (2), and the axis of described the first bearing pin (3) is vertical with the axis of described the second bearing pin (4).
3. pin inserting-pulling device according to claim 2 is characterized in that, described the first bearing pin (3) is straight pin, and described the second bearing pin (4) is square cotter.
4. pin inserting-pulling device according to claim 3 is characterized in that, described support (2) is hollow cylinder, and it is inner that described actuator is positioned at described hollow cylinder, and an end of described hollow cylinder is provided with flange (6).
5. pin inserting-pulling device according to claim 4 is characterized in that, is provided with lightening hole (7) on the barrel of described hollow cylinder.
6. pin inserting-pulling device according to claim 5 is characterized in that, and is with bolts between the end of an end of described actuator and described pin (5).
7. pin inserting-pulling device according to claim 6 is characterized in that, is provided with the boss (61) that matches with the backing pin groove (51) of described pin (5) on the described flange (6).
8. each described pin inserting-pulling device in 7 according to claim 1 is characterized in that described actuator is oil cylinder (1).
9. pin inserting-pulling device according to claim 8 is characterized in that, described oil cylinder (1) is the built-in oil cylinder of oil pipe.
10. an engineering machinery is characterized in that, comprises such as each described pin inserting-pulling device in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220308540 CN202726418U (en) | 2012-06-28 | 2012-06-28 | Pin inserting and pulling device and engineering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220308540 CN202726418U (en) | 2012-06-28 | 2012-06-28 | Pin inserting and pulling device and engineering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202726418U true CN202726418U (en) | 2013-02-13 |
Family
ID=47652167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220308540 Expired - Fee Related CN202726418U (en) | 2012-06-28 | 2012-06-28 | Pin inserting and pulling device and engineering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202726418U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234637A (en) * | 2014-09-24 | 2014-12-24 | 北京南车时代机车车辆机械有限公司 | Truck-mounted drilling rig |
| CN104444866A (en) * | 2014-11-25 | 2015-03-25 | 中联重科股份有限公司 | Control system of telescoping mechanism and crane with same |
| CN110040640A (en) * | 2019-05-23 | 2019-07-23 | 廊坊中建机械有限公司 | Crane arm pin shaft replaces component, device and method |
| WO2023029717A1 (en) * | 2021-08-31 | 2023-03-09 | 湖南三一中型起重机械有限公司 | Pin inserting and pulling mechanism and crane |
| WO2023045194A1 (en) * | 2021-09-24 | 2023-03-30 | 北京三一智造科技有限公司 | Pin shaft disassembly and assembly apparatus, frame connecting structure, and work machine |
| US11786998B2 (en) | 2021-09-24 | 2023-10-17 | Beijing Sany Intelligent Manufacturing Technology Co., Ltd. | Pin shaft dismounting and mounting device, frame body connecting structure and work machine |
-
2012
- 2012-06-28 CN CN 201220308540 patent/CN202726418U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234637A (en) * | 2014-09-24 | 2014-12-24 | 北京南车时代机车车辆机械有限公司 | Truck-mounted drilling rig |
| CN104444866A (en) * | 2014-11-25 | 2015-03-25 | 中联重科股份有限公司 | Control system of telescoping mechanism and crane with same |
| CN110040640A (en) * | 2019-05-23 | 2019-07-23 | 廊坊中建机械有限公司 | Crane arm pin shaft replaces component, device and method |
| WO2023029717A1 (en) * | 2021-08-31 | 2023-03-09 | 湖南三一中型起重机械有限公司 | Pin inserting and pulling mechanism and crane |
| WO2023045194A1 (en) * | 2021-09-24 | 2023-03-30 | 北京三一智造科技有限公司 | Pin shaft disassembly and assembly apparatus, frame connecting structure, and work machine |
| US11786998B2 (en) | 2021-09-24 | 2023-10-17 | Beijing Sany Intelligent Manufacturing Technology Co., Ltd. | Pin shaft dismounting and mounting device, frame body connecting structure and work machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20150628 |
|
| EXPY | Termination of patent right or utility model |