CN203946068U - A kind of roller devices, telescopic outrigger and construction machinery and equipment - Google Patents

A kind of roller devices, telescopic outrigger and construction machinery and equipment Download PDF

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Publication number
CN203946068U
CN203946068U CN201420289396.1U CN201420289396U CN203946068U CN 203946068 U CN203946068 U CN 203946068U CN 201420289396 U CN201420289396 U CN 201420289396U CN 203946068 U CN203946068 U CN 203946068U
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Prior art keywords
roller
bearing
roller devices
mount pad
adapter plate
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CN201420289396.1U
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Chinese (zh)
Inventor
张裕生
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Sany Automobile Manufacturing Co Ltd
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Sany Automobile Manufacturing Co Ltd
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Priority to CN201420289396.1U priority Critical patent/CN203946068U/en
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Abstract

The utility model proposes a kind of roller devices, telescopic outrigger and construction machinery and equipment, comprise mount pad, roller shaft and be arranged on the roller on roller shaft, described roller devices also comprises for supporting the bearing of described roller shaft, described bearing sliding is arranged on mount pad, is provided with the control apparatus that regulates described mast height between described mount pad and described bearing.It is convenient that this roller devices is installed, and highly easy to adjust, can make up the problems such as setting accuracy supporting leg low and that wearing and tearing cause that roller devices brings because of manufacturing errors is sagging.The invention also discloses a kind of construction machinery and equipment that the telescopic outrigger of this roller devices is installed and comprises above-mentioned rollers device or telescopic outrigger.

Description

A kind of roller devices, telescopic outrigger and construction machinery and equipment
Technical field
The utility model relates to engineering machinery field, specifically, relates to a kind of roller devices, and a kind of telescopic outrigger that comprises this roller devices.The utility model also relates to a kind of construction machinery and equipment that comprises above-mentioned rollers device or telescopic outrigger.
Background technology
Common as being equipped with supporting leg on the construction machinery and equipments such as concrete pump truck, car hosit.When engineering machinery walking, supporting leg is regained; During engineer machinery operation, supporting leg is opened, and is stablized car load center of gravity.Telescopic leg is a kind of common leg structure, take secondary telescopic outrigger as example, and it comprises joint arm and the telescopic telescopic boom being enclosed within joint arm, in joint arm, has slideway, and described telescopic boom can slide in slideway.Between this telescopic boom and slideway, produce sliding-frictional resistance, owing to saving between arm and telescopic boom, be that face contacts with the cooperation of face, this sliding-frictional resistance is larger, for the telescopic leg that reduces the engineering trucks such as the concrete pump truck resistance in sliding process, generally need to be equipped with roller, cliding friction is transformed into friction of rolling.Pair roller device, roller height is an important indicator, and roller excessive height can affect telescopic boom assembling, and roller height is too low, and can to cause telescopic boom to stretch out rear sagging serious.
Shown in Fig. 1, be a kind of structural representation of supporting leg roller devices of prior art, it comprises mount pad 2 ', is arranged at mount pad 2 ' upper roller shaft 4 ' and is arranged on the roller 1 ' on roller shaft 4 ', and mount pad 2 ' is fixed on the inner side of telescopic boom side plate.This roller 1 ' need pack the slideway luggage that advances at supporting leg and join, and is the built-in roller devices of a kind of elder generation, therefore can not regulate height, and in order to meet assembling demand, roller height can not be too high, can cause telescopic boom sag of chain larger.
Given this, how to provide a kind of installation convenient, and can accurately adjust the roller devices of roller height and comprise telescopic outrigger and the construction machinery and equipment of above-mentioned rollers device, become those skilled in the art's problem demanding prompt solution.
Utility model content
In view of this, the utility model proposes a kind of roller devices, for solving telescopic leg at sliding process, the technical matters that roller height can not regulate.The utility model has also proposed a kind of telescopic outrigger and construction machinery and equipment that comprises above-mentioned rollers device simultaneously.
On the one hand, the utility model proposes a kind of roller devices, for construction machinery and equipment telescopic outrigger, comprise mount pad, roller shaft and be arranged on the roller on roller shaft, described roller devices also comprises for supporting the bearing of described roller shaft, described bearing sliding is arranged on mount pad, is provided with the control apparatus that regulates described mast height between described mount pad and described bearing.
Further, described mount pad comprises the adapter plate of fixing with it or removably connecting, and described bearing is placed on described adapter plate; Described control apparatus is arranged between adapter plate and bearing.
Further, described control apparatus is pad, and described pad is arranged between adapter plate and bearing.
Further, described adapter plate is provided with screw; Described control apparatus is bolt, and described bolt leans the bottom at bearing through screw, and a part for described bolt is positioned at the below of adapter plate.
Further, described bolt is provided with nut, and described nut is placed in screw away from a side of bearing.
Further, between described adapter plate and described nut, be provided with adjustment block, described adjustment block is provided with the first through hole, and described bolt can pass described the first through hole.
Further, two side plates that described mount pad is relative are provided with mounting groove, and described adapter plate is placed on described mount pad by described mounting groove.
Further, described bearing comprises base plate and two risers that are set in parallel on described base plate, and described riser is provided with arc groove, and described roller shaft two ends are placed in respectively in described arc groove.
Further, described roller shaft comprises axle rank, and one end, described axle rank is provided with the first semiaxis, and its other end is provided with the second semiaxis; Described roller devices also comprises bearing, and described roller is located on described axle rank by described bearing carrier ring.
The utility model discloses a kind of roller devices, except comprising roller shaft, roller and mount pad, also comprise for supporting the bearing of described roller shaft and the control apparatus of the described mast height of adjusting, described bearing sliding is arranged on mount pad, and described control apparatus is between described mount pad and described bearing.This roller devices, it is convenient to install on the one hand, highly easy to adjust, on the other hand can be according to the actual requirements by adjusting described control apparatus to realize the adjusting on roller height, and accurately adjust the height of roller, can make up the problems such as the setting accuracy of bringing because of manufacturing errors supporting leg low and that wearing and tearing cause is sagging.
On the other hand, the utility model also provides a kind of telescopic outrigger, in comprising, be provided with the joint arm of slideway and be sheathed on the telescopic boom in described joint arm, described telescopic boom can slide in the slideway of described joint arm, described joint arm comprises supporting leg side plate and supporting leg base plate, between described joint arm and described telescopic boom, be provided with the roller devices described in above-mentioned any one, the mount pad of described roller devices and described supporting leg side plate or supporting leg base plate are fixed or removably connect.
The disclosed telescopic outrigger of the utility model, adopts friction of rolling between telescopic boom and slideway, and friction force is less than cliding friction, and telescopic boom motion required drive is less, has improved efficiency of assembling and the flexible efficiency of telescopic boom; Meanwhile, adopt control apparatus to make up the flatness error of bringing in telescopic boom and slideway manufacture, make two side wheels synchronize and contact with telescopic boom.
On the other hand, the utility model also provides a kind of construction machinery and equipment, and described construction machinery and equipment is provided with above-mentioned roller devices or telescopic outrigger.
The construction machinery and equipment that the utility model provides, due to above-mentioned rollers device or telescopic outrigger being installed, therefore also has the above-mentioned beneficial effect that above-mentioned rollers device or telescopic outrigger bring, and does not repeat them here.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.
Fig. 1 is the structural representation of existing roller devices;
Fig. 2 is the exploded view of a kind of roller devices of the utility model;
Fig. 3 is the structural representation after the roller devices installation shown in Fig. 2;
Fig. 4 is the structural representation that the roller devices shown in Fig. 2 is installed on telescopic outrigger;
Fig. 5 is the enlarged diagram of the roller devices shown in Fig. 4.
The explanation of Fig. 1 accompanying drawing
1 ' roller 2 ' mount pad 4 ' roller shaft
The explanation of Fig. 2 to Fig. 5 accompanying drawing
1 roller 2 mount pad 3 bearing 4 roller shafts
5 bearing 6 adapter plate 7 nut 8 adjustment blocks
9 bolt 22 second through hole 23 mounting groove 10 joint arms
11 telescopic boom 41 first semiaxis 42 second semiaxis 43 axle rank
44 oilhole 51 riser 52 arc groove 53 base plates
54 third through-hole 61 screw 81 first through holes
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
For setting forth conveniently; some nouns of locality in the utility model, have been used; as " on ", D score, " left side ", " right side "; in the situation that not doing contrary explanation; these nouns of locality are all with reference to direction shown in accompanying drawing; the use of these nouns of locality is for convenience of description and makes those skilled in the art be easier to understand the application's technical scheme, rather than limits the application's protection domain.
Below in conjunction with Fig. 2 to Fig. 5, preferred embodiment of the present utility model is described in further detail.
As shown in Figure 2, a kind of roller devices in the utility model, for construction machinery and equipment telescopic outrigger, comprise mount pad 2, roller shaft 4, be arranged on roller 1 on roller shaft 4, for the bearing 5 of back-up roller wheel shaft 4 with regulate the control apparatus of bearing 5 height, above-mentioned bearing 5 slides and is arranged on mount pad 2, and above-mentioned control apparatus is between mount pad 2 and bearing 5.During use, by regulating control apparatus, can make up the problems such as setting accuracy supporting leg low and that rolling wheel wear causes that roller devices causes because of manufacturing errors is sagging, particularly, in the utility model, mount pad 2 comprises the adapter plate 6 of fixing with it or removably connecting, and this adapter plate 6 is for support carriers 5, and bearing 5 is placed in adapter plate 6 tops, now, above-mentioned control apparatus is arranged between adapter plate 6 and bearing 5.It should be noted that, mount pad 2 can have various structures, on it, slideway or chute can be set, or inside is provided with cavity, bearing 5 is slidably arranged in cavity, and adapter plate 6 can be fixedly installed on the bottom of cavity, also this cavity can be divided into upper and lower two parts, now bearing 5 is placed on this cavity in part, and can slip in part on this cavity.
Meanwhile, be provided with the mounting groove 23 that this adapter plate 6 is installed on relative two blocks of the left and right side plate of mount pad 2, adapter plate 6 is placed on mount pad 2 by mounting groove 23.It should be noted that, the connection mode of adapter plate 6 and mount pad 1 is varied, is not limited in diagram mounting means, also can be arranged in above-mentioned cavity by welding or bolted mode.
Be illustrated in figure 2 a specific embodiment of the utility model roller devices, now, control apparatus is preferably bolt 9, adapter plate 6 is provided with a screw 61, bolt 9 acts on the bottom of bearing 5 through screw 61, can reach technique effect that adjust to adjust bearing 5 height, and a part for bolt 9 is positioned at the below of adapter plate 6, is convenient to adjusting bolt 9.Because roller 1 is arranged on bearing 5, regulate the height of bearing 5 can reach the effect that regulates roller 1 height, in addition, because bolt 9 rotates to be continuous adjusting, therefore can realize the step-less adjustment of roller 1 height, degree of regulation is higher.It should be noted that, for regulating better the height of bearing 5, this control apparatus is not limited to one, can be a plurality of.Particularly, at control apparatus, while being a plurality of, the quantity of screw 61 is also a plurality of, and the quantity of control apparatus is identical with the quantity of screw 61.
For reaching locking effect, on bolt 9, be arranged with nut 7, bolt 9 is from bottom to up successively through nut 7 and screw 61, and nut 7 is arranged at the below of screw 61 and becomes flexible for preventing bolt 9.For guaranteeing nut 7 lock bolt 9 well, for ease of regulating, be provided with adjustment block 8 in the utility model between adapter plate 6 and nut 7 on the other hand on the one hand, adjustment block 8 is provided with the first through hole 81, and bolt 9 can pass through the first through hole 81.
It should be noted that, in another specific embodiment of the utility model roller devices, above-mentioned control apparatus is preferably pad, and this pad is arranged between adapter plate 6 and bearing 5.The quantity of this pad can be for one or more, and during assembling, roller height is according to the actual requirements increased or reduces.
In above-mentioned two kinds of embodiment, in order to reduce the friction force between roller shaft 4 and roller 1, as shown in Figure 2, bearing 3 can be installed between the two.Roller shaft 4 comprises axle rank 43, at axle rank 43 left ends, is provided with the first semiaxis 41, and right-hand member is provided with the second semiaxis 42; Roller 1 is sheathed on axle rank 43 by bearing 3, and 1, roller is sheathed on bearing 3.Bearing 5 comprises base plate 53 and two risers 51 that are set in parallel on base plate 53, it should be noted that, riser 51 is fixedly connected with base plate 53, preferred weld mode.Riser 51 is provided with being placed in respectively on this arc groove 52 of arc groove 52, the first semiaxis 41 and the second semiaxis 42, and roller 1 is placed between two risers 51 and with base plate 53 certain spacing.It should be noted that, in the present embodiment, for guaranteeing the effectively lubricating to bearing 3, be provided with oilhole 44 on roller shaft 4, the left surface that mount pad 2 arranges mounting groove 23 is provided with the second through hole 22.During actual job, lubricating oil enters into oilhole 44 by the second through hole 22, to reach, reduces friction, the effect of lubricating bearings 3., it should be noted that meanwhile, for avoiding piling up sandstone on base plate 53, affect the normal operation of roller 1, on base plate 53, also can be provided for the leak third through-hole 54 of sand.
The control apparatus of take is that bolt 9 is example, in practical set process, first adapter plate 6 is inserted in the mounting groove 23 of mount pad 2, nut 7, adjustment block 8 are contained on bolt 9, then, bolt 9 is screwed in the screw 61 of adapter plate 6, bearing 3 is installed in the endoporus of roller 1, be installed to again on roller shaft 4, then, roller shaft 4 is packed on bearing 5, last, bearing 5 is put on the adapter plate 6 of mount pad 2, the structural representation after installation as shown in Figure 3 again.The control apparatus of take upwards regulates roller 1 as example, now, rotates up bolt 9, and the upper end of bolt 9, through nut 7, the first through hole 81, screw 61, finally acts on bearing 5, and bearing 5 upward movements drive roller 1 upward movement.When roller 1 moves to desired location, loosening for preventing roller 1, need fastening nut 7 with lock bolt 9.
Above-mentioned rollers device, it is convenient to install on the one hand, on the other hand can be according to actual conditions by swivel bolt 9 up or down to realize the step-less adjustment of roller 1 height, and can accurately adjust the height of roller 1.
As shown in Figure 4, the utility model also provides a kind of telescopic outrigger, in comprising, be provided with the joint arm 10 of slideway and be enclosed within telescopic telescopic boom 11 in joint arm 10, telescopic boom 11 can slide in the slideway of joint arm 10, joint arm 10 comprises supporting leg side plate and supporting leg base plate, between joint arm 10 and telescopic boom 11, is provided with above-mentioned roller devices.Roller 1 contacts with the lower surface of telescopic boom 11, and the mount pad 2 of above-mentioned rollers device is fixed or removably connects with this supporting leg side plate or supporting leg base plate.It should be noted that, in the utility model, mount pad 2 is connected with supporting leg side plate or supporting leg base plate preferred weld, and above-mentioned rollers device is not limited to one, can be a plurality of, general paired use in actual condition.Adjusting bolt 9, makes telescopic boom 11 lower surfaces contact and not contact with slideway lower surface with roller 1, and last fastening nut 7 is locking.Due to manufacturing errors, the roller devices regulated quantity of the right and left is generally different.
Fig. 5 is the enlarged diagram of the roller devices shown in Fig. 4.As shown in Figure 5, the one side on mount pad 2 right sides and supporting leg plate-side plate welding.
In the disclosed telescopic outrigger of the utility model, between telescopic boom 11 and slideway, adopt friction of rolling, friction force is less than cliding friction, and telescopic boom motion required drive is less, has improved efficiency of assembling and the flexible efficiency of telescopic boom; Meanwhile, adopt control apparatus to make up the flatness error of bringing in telescopic boom and slideway manufacture, make two side wheels synchronize and contact with telescopic boom.
The utility model also proposes a kind of construction machinery and equipment, and above-mentioned roller devices or telescopic outrigger are installed, and obviously also has above-mentioned beneficial effect, does not repeat them here.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (11)

1. a roller devices, for construction machinery and equipment telescopic outrigger, comprise mount pad (2), roller shaft (4) and be arranged on the roller (1) on roller shaft (4), it is characterized in that, described roller devices also comprises the bearing (5) for supporting described roller shaft (4), described bearing (5) slides and is arranged at mount pad (2) above, is provided with the control apparatus that regulates described bearing (5) height between described mount pad (2) and described bearing (5).
2. roller devices according to claim 1, is characterized in that, described mount pad (2) comprises the adapter plate (6) of fixing with it or removably connecting, and described bearing (5) is placed on described adapter plate (6); Described control apparatus is arranged between adapter plate (6) and bearing (5).
3. roller devices according to claim 2, is characterized in that, described control apparatus is pad, and described pad is arranged between adapter plate (6) and bearing (5).
4. roller devices according to claim 2, is characterized in that, described adapter plate (6) is provided with screw (61); Described control apparatus is bolt (9), and described bolt (9) leans in the bottom of bearing (5) through screw (61), and a part for described bolt (9) is positioned at the below of adapter plate (6).
5. roller devices according to claim 4, is characterized in that, described bolt (9) is provided with nut (7), and described nut (7) is placed in screw (61) away from a side of bearing (5).
6. roller devices according to claim 5, it is characterized in that, between described adapter plate (6) and described nut (7), be provided with adjustment block (8), described adjustment block (8) is provided with the first through hole (81), and described bolt (9) can pass described the first through hole (81).
7. according to the roller devices described in any one in claim 2 to 6, it is characterized in that, two side plates that described mount pad (2) is relative are provided with mounting groove (23), and described adapter plate (6) is placed on described mount pad (2) by described mounting groove (23).
8. according to the roller devices described in any one in claim 1 to 6, it is characterized in that, described bearing (5) comprises base plate (53) and two risers (51) that are set in parallel on described base plate (53), described riser (51) is provided with arc groove (52), and described roller shaft (4) two ends are placed in respectively in described arc groove (52).
9. according to the roller devices described in any one in claim 1 to 6, it is characterized in that, described roller shaft (4) comprises axle rank (43), and one end, described axle rank (43) is provided with the first semiaxis (41), and its other end is provided with the second semiaxis (42); Described roller devices also comprises bearing (3), and described roller (1) is sheathed on described axle rank (43) by described bearing (3).
10. a telescopic outrigger, in comprising, be provided with the joint arm (10) of slideway and be sheathed on the telescopic boom (11) in described joint arm (10), described telescopic boom (11) can slide in the slideway of described joint arm (10), described joint arm (10) comprises supporting leg side plate and supporting leg base plate, it is characterized in that, between described joint arm (10) and described telescopic boom (11), be provided with the roller devices described in any one in claim 1 to 9, the mount pad of described roller devices (2) is fixed or removably connects with described supporting leg side plate or supporting leg base plate.
11. 1 kinds of construction machinery and equipments, is characterized in that, are provided with the roller devices described in any one or telescopic outrigger claimed in claim 10 in claim 1 to 9.
CN201420289396.1U 2014-06-03 2014-06-03 A kind of roller devices, telescopic outrigger and construction machinery and equipment Active CN203946068U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420289396.1U CN203946068U (en) 2014-06-03 2014-06-03 A kind of roller devices, telescopic outrigger and construction machinery and equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420289396.1U CN203946068U (en) 2014-06-03 2014-06-03 A kind of roller devices, telescopic outrigger and construction machinery and equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105617583A (en) * 2015-12-25 2016-06-01 长沙中联消防机械有限公司 Roller device, slide bucket, slide bucket conveying device and fire engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105617583A (en) * 2015-12-25 2016-06-01 长沙中联消防机械有限公司 Roller device, slide bucket, slide bucket conveying device and fire engine
CN105617583B (en) * 2015-12-25 2019-02-22 长沙中联消防机械有限公司 Roller devices, sliding hopper, sliding hopper transmission device and fire fighting truck

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