CN203247036U - Sliding block device as well as telescopic bracket and engineering machinery comprising sliding block device - Google Patents

Sliding block device as well as telescopic bracket and engineering machinery comprising sliding block device Download PDF

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Publication number
CN203247036U
CN203247036U CN 201320280020 CN201320280020U CN203247036U CN 203247036 U CN203247036 U CN 203247036U CN 201320280020 CN201320280020 CN 201320280020 CN 201320280020 U CN201320280020 U CN 201320280020U CN 203247036 U CN203247036 U CN 203247036U
Authority
CN
China
Prior art keywords
slide block
telescopic unit
sliding block
block
wedge
Prior art date
Application number
CN 201320280020
Other languages
Chinese (zh)
Inventor
邹涛
Original Assignee
长沙中联消防机械有限公司
中联重科股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 长沙中联消防机械有限公司, 中联重科股份有限公司 filed Critical 长沙中联消防机械有限公司
Priority to CN 201320280020 priority Critical patent/CN203247036U/en
Application granted granted Critical
Publication of CN203247036U publication Critical patent/CN203247036U/en

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Abstract

The utility model discloses a sliding block device as well as a telescopic bracket and engineering machinery which comprise the sliding block device respectively. The sliding block device comprises an inclined block, a wedge-shaped sliding block matched with the inclined block, and an adjusting device, wherein the inclined block is fixedly arranged on a first telescopic unit; the wedge-shaped sliding block is arranged between the inclined block and a second telescopic unit; the adjusting device comprises an adjusting screw rod which is arranged on the first telescopic unit, and can be propped against the wedge-shaped sliding block operationally. When a gap between the wedge-shaped sliding block and a friction surface of the second telescopic unit is required to be adjusted, the adjusting screw rod is screwed in or screwed out from an operation end of the adjusting screw rod, and a pushing end of the adjusting screw rod pushes the wedge-shaped sliding block to move forwards or pulls the wedge-shaped sliding block to move backwards. As the inclined block is arranged at the lower part of the wedge-shaped sliding block, the wedge-shaped sliding block can ascend or descend correspondingly in the height direction, and the ascending or descending displacement is continuous, so that the gap between the two adjacent telescopic units in the height directions of the telescopic units can be adjusted, and the accuracy is greatly improved.

Description

Slide block device and have expansion bracket and the construction machinery and equipment of this slide block device
Technical field
The utility model relates to the engineering equipment technical field, particularly a kind of slide block device, the expansion bracket with this slide block device and construction machinery and equipment.
Background technology
In the large-scale engineering machinery with expansion bracket (such as telescopic jib, flexible ladder etc.), slide block plays the effect of sliding and supporting between two adjacent joint telescopic units.On the one hand, can produce relative friction between slide block and the telescopic unit, so just can cause the wearing and tearing of slide block, surface configuration and the size of destruction slide block; On the other hand, also there is certain manufacturing errors in slide block, and above factor all may cause the increase of the gap on the short transverse between the adjacent expansion unit, makes expansion bracket distortion after stretching serious, thereby has influence on stable working and the safety of expansion bracket.
At present, in order to control the gap between the adjacent expansion unit, usually in the installation process of slide block, add pad.As shown in Figure 1, among this figure, the length direction of telescopic unit is perpendicular to paper, and the short transverse h of telescopic unit and Width a are as shown by arrows in FIG..Slide block 10 is captiveed joint by screw 40 with telescopic unit 30, the upper surface of slide block 10 produces relative friction with adjacent telescopic unit 50, between slide block 10 and telescopic unit 30, be provided with the size of one group of pad 20(pad according to the size customization of slide block), come the height of adjusting slider 10 upper surfaces by the quantity of regulating pad 20, thereby adjust between the adjacent expansion unit along the gap on the short transverse.When needs are regulated slide block, extract telescopic unit 30 out, removable screw 40 and slide block 10 are adjusted the magnitude setting of pad 20, and then slide block 10 and screw 40 are ressembled.The precision of therefore, slide block being regulated depends on the thickness of single pad.
The defective that prior art exists is, the precision that slide block is regulated depends on the thickness of single pad, and degree of regulation is not high.
The utility model content
The utility model provides a kind of slide block device, has had expansion bracket and the construction machinery and equipment of this slide block device, in order in slider wear or when having manufacturing errors, improves precision and the convenience of adjusting slider.
For solving the problems of the technologies described above, according to an aspect of the present utility model, provide a kind of slide block device, this slide block device is arranged between the first telescopic unit and the second telescopic unit, comprising: skewback is fixedly installed on the first telescopic unit; With the suitable wedge block of skewback, be arranged between skewback and the second telescopic unit; Control apparatus comprises an adjusting screw(rod), and adjusting screw(rod) is arranged on the first telescopic unit, and operationally supports mutually with wedge block.
Further, adjusting screw(rod) comprises that an operating side and advances end, and the operating side exposes to the end of the first telescopic unit, advances end operationally to support wedge block.
Further, control apparatus also comprises the screw thread seat board, and the screw thread seat board is fixedly installed on the first telescopic unit, and the screw thread seat board is threaded with adjusting screw(rod).
Further, control apparatus also comprises the locking piece that is arranged at the operating side.
Further, slide block device also comprises: the engaging be arranged on the wedge block Width clamp, adjusting screw(rod) operationally fastens with clamp.
Further, wedge block is provided with the first draw-in groove of broad ways setting and runs through along its length the regulating tank that an end arranges, and the first draw-in groove and regulating tank intersect; Clamp is fastened in the first draw-in groove; Adjusting screw(rod) passes regulating tank and engages with clamp.
Further, a long side of wedge block stretches out to form a rib, and skewback is contained in the rib.
Further, slide block device also comprises baffle plate, and baffle plate is fixedly installed on the first telescopic unit along its length, and is oppositely arranged with rib.
According to another aspect of the present utility model, a kind of expansion bracket also is provided, this expansion bracket comprises above-mentioned slide block device.
According to another aspect of the present utility model, a kind of construction machinery and equipment also is provided, this project machinery comprises above-mentioned slide block device.
Therefore, slide block device of the present utility model slide block displacement on short transverse when regulating the expansion bracket gap is continuous, and degree of regulation improves greatly, and need not to dismantle slide block device, and the convenience of operation improves greatly.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is existing slide block device structural representation;
Fig. 2 is the slide block device structural front view of the utility model embodiment;
Fig. 3 is the slide block device structure birds-eye view of the utility model embodiment;
Fig. 4 is the utility model slide block device simple structure schematic diagram;
Fig. 5 is the A place enlarged drawing of Fig. 4;
Fig. 6 is the structural representation of wedge block;
Fig. 7 is the structural representation of clamp.
Reference numeral:
Telescopic unit 11-postive stop baffle 1-the first telescopic unit 2-skewback 3-wedge block 4-clamp 82-screw thread seat board 6-locking piece 7-adjusting screw(rod) 31-the first draw-in groove 32-regulating tank 33-rib 41-the second draw-in groove that 10-slide block 20-pad 30-telescopic unit 40-screw 50-is adjacent
The specific embodiment
For the technical matters that degree of regulation is low and adjusting is comparatively inconvenient that solves slide block in the prior art, the utility model provides a kind of slide block device, has had expansion bracket and the construction machinery and equipment of this slide block device.For making the purpose of this utility model, technical scheme and advantage clearer, below lift specific embodiment the utility model is described in further detail.But the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Slide block device of the present utility model can be applicable in all kinds of construction machinery and equipments with expansion bracket, for example arm derrick crane, aerial ladder class fire extinguishing tanker, arm support fire extinguishing tanker etc., the expansion bracket of these construction machinery and equipments generally includes at least two joint telescopic units, and adjacent telescopic unit is by the slide block device moving contact.
Please in conjunction with extremely shown in Figure 5 referring to Fig. 2, the slide block device of the utility model one embodiment is arranged between two adjacent telescopic units, namely is arranged between the first telescopic unit 1 and the second telescopic unit (not shown).Because exist and rub at length direction (namely perpendicular to Fig. 2 paper direction) between the adjacent telescopic unit, therefore, slide block device of the present utility model arranges along its length.This slide block device comprises: wedge block 3, skewback 2, and control apparatus 8.Wherein, skewback 2 is fixedly installed on the first telescopic unit 1, preferably, and the end of skewback 2 contiguous the first telescopic units 1, and this end of oblique the first telescopic unit 1 in the inclined-plane of skewback 2.Wedge block 3 is arranged between skewback 2 and the second telescopic unit, and the inclined-plane of wedge block 3 matches with the inclined-plane of skewback 2, so that skewback 2 contacts with the first telescopic unit 1, the second telescopic unit respectively with the on the whole lower surface that wedge block 3 consists of.Control apparatus 8 includes adjusting screw(rod) 81, and adjusting screw(rod) 81 is arranged on the first telescopic unit 1, and this adjusting screw(rod) 81 is operationally supported wedge block 3.The type of adjusting screw(rod) 81 is not limit, such as adopting bolt, double-screw bolt etc.
Preferably, this adjusting screw(rod) 81 comprises operating side 811 and advances holds 813, and this operating side 811 exposes to the end of the first telescopic unit 1, so that operation.Can be so that advance end 813 to support wedge block 3 by operating operation end 811.Preferably, control apparatus 8 also comprises screw thread seat board 82, and screw thread seat board 82 is captiveed joint with the first telescopic unit 1.Preferably, this screw thread seat board 82 is fixedly mounted on the end of the first telescopic unit 1 by screw.This screw thread seat board 82 has tapped bore, and adjusting screw(rod) 81 passes the tapped bore on the screw thread seat board 82, and operationally inconsistent with wedge block 3.Preferably, control apparatus 8 also comprises locking piece 83, and this locking piece 83 cooperates with above-mentioned adjusting screw(rod) 81, is arranged on the operating side 811 of adjusting screw(rod) 81.When 811 adjusting screw(rod) 81 being realized the adjusting of slide block device towards the certain distance of wedge block 3 precessions from the operating side.Because be threaded between adjusting screw(rod) 81 and the screw thread seat board 82, the distance of adjusting screw(rod) 81 precessions is stepless adjustable, wedge block 3 displacement in height also can be continuous like this, and therefore, degree of regulation is higher.The type of locking piece 83 is not limit, and is preferably the better nut of interchangeability and reliability, and is with close operating side 811 one side compressions of locking piece 83 with screw thread seat board 82, locking for what be threaded after adjusting screw(rod) 81 adjustings are complete.
In other embodiments, the quantity of the adjusting screw(rod) 81 of screw thread seat board 82 upper screwed holes and correspondence is not limit, and the quantity of tapped bore and adjusting screw(rod) 81 is at least one group, also can two or more sets be set supportingly.The quantity of tapped bore and adjusting screw(rod) 81 specifically can be determined according to shape, the size of wedge block 3, can make like this wedge block 3 stressed even when regulating, and is subject to comparatively uniformly impulsive force in friction process.
Please in conjunction with reference Fig. 6 and Fig. 7, slide block device of the present utility model also comprises: the clamp 4 that is arranged at the close screw thread seat board 82 on the wedge block 3.Preferably, the end near screw thread seat board 82 on the wedge block 3 is provided with the first draw-in groove 31 of broad ways setting and the regulating tank 32 that arranges along its length, and this regulating tank 32 runs through wedge block 3 and intersects near an end of screw thread seat boards 8 and with the first draw-in groove 31.
More preferably, a long side of wedge block 3 stretches out to form rib 33, so that the skewback 2 that is arranged under the wedge block 3 is contained in this rib 33, to limit simultaneously wedge block 3 and the position of skewback 2 on Width.
Clamp 4 adopts platy structure, is provided with the second draw-in groove 41 on this clamp 4, and preferably, the second draw-in groove 4 is U-lag.Clamp 4 is fastened in the first draw-in groove 31 of wedge block 3, and the propelling of above-mentioned adjusting screw(rod) 81 is held in the 811 parallel regulating tanks 32 that put in wedge block 3, and advances end 811 operationally to fasten with the second draw-in groove 41 of clamp 4.Clamp 4 is used for the displacement in the longitudinal direction of restriction wedge block 3, and particularly, when adjacent expansion unit during in work, wedge block 3 is conditioned screw rod 81 by clamp 4 and holds, and can not produce because of the expanding-contracting action of telescopic unit the movement on the length direction.
Please refer to Fig. 2, preferably, slide block device of the present utility model also comprises baffle plate 11.This baffle plate 11 is fixedly installed on the first telescopic unit 1 along its length, is oppositely arranged with the rib 33 of above-mentioned wedge block 3, is used for wedge block 3 and skewback 2 are carried out the spacing of Width.
The principle of work of slide block device of the present utility model is as follows:
When the friction surface gap of wedge block 3 and the second telescopic unit need to be adjusted (gap is tuned up or turns down), from operating side 811 precessions or the back-out adjusting screw(rod) 81 of adjusting screw(rod) 81, the propelling end 813 of adjusting screw(rod) 81 promotes wedge blocks 3 and moves forward or hold wedge block 3 and move backward.Owing to being provided with skewback 2 below the wedge block 3, wedge block 3 meetings corresponding rising or reduction on short transverse raise or the displacement of reduction is continuous, therefore can regulate the adjacent expansion unit along the gap on the telescopic unit short transverse, precision also improves greatly.And this slide block device is arranged at the end of expansion bracket, regulates the gap and need not to dismantle slide block device, and the convenience of operation also improves greatly.The expansion bracket that the utility model embodiment provides comprises the described slide block device of aforementioned arbitrary technical scheme, and the glade plane space between the adjacent expansion unit is large or hour, can regulate slide block easily and degree of regulation higher, easy to adjust.
The construction machinery and equipment of the utility model embodiment, can be arm crane, aerial ladder class fire extinguishing tanker, arm support fire extinguishing tanker etc., comprise the described slide block device of aforementioned arbitrary technical scheme, can regulate the glade plane space between the adjacent expansion unit easily and degree of regulation higher.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs to the utility model claim extremely within the scope of equivalent technologies, then the utility model also is intended to comprise these changes and modification interior.

Claims (10)

1. a slide block device is characterized in that, described slide block device is arranged between the first telescopic unit (1) and the second telescopic unit, comprising:
Skewback (2) is fixedly installed on described the first telescopic unit (1);
With the suitable wedge block (3) of described skewback (2), be arranged between described skewback (2) and described the second telescopic unit;
Control apparatus (8) comprises an adjusting screw(rod) (81), and described adjusting screw(rod) (81) is arranged on the first telescopic unit (1), and operationally supports mutually with described wedge block (3).
2. slide block device as claimed in claim 1, it is characterized in that, described adjusting screw(rod) (81) comprises that an operating side (811) and advances end (813), described operating side (811) exposes to the end of described the first telescopic unit (1), and described propelling end (813) is operationally supported described wedge block (3).
3. slide block device as claimed in claim 2, it is characterized in that, described control apparatus (8) also comprises screw thread seat board (82), and described screw thread seat board (82) is fixedly installed on the first telescopic unit (1), and described screw thread seat board (82) is threaded with described adjusting screw(rod) (81).
4. slide block device as claimed in claim 3 is characterized in that, described control apparatus (8) also comprises the locking piece (83) that is arranged at described operating side (811).
5. slide block device as claimed in claim 1 is characterized in that, also comprises:
Engaging is arranged at the clamp (4) on described wedge block (3) Width, and described adjusting screw(rod) (81) operationally fastens with described clamp (4).
6. slide block device as claimed in claim 5 is characterized in that,
Described wedge block (3) is provided with first draw-in groove (31) of broad ways setting and runs through along its length the regulating tank (32) that an end arranges, and described the first draw-in groove (31) intersects with described regulating tank (32);
Described clamp (4) is fastened in described the first draw-in groove (31);
Described adjusting screw(rod) (81) passes described regulating tank (32) and engages with described clamp (4).
7. such as each described slide block device in the claim 1 to 6, it is characterized in that, a long side of described wedge block (3) stretches out to form a rib (33), and described skewback (2) is contained in the described rib (33).
8. slide block device as claimed in claim 7 is characterized in that, also comprises baffle plate (11), and described baffle plate (11) is fixedly installed on described the first telescopic unit (1) along its length, and is oppositely arranged with described rib (33).
9. an expansion bracket is characterized in that, comprises such as each described slide block device among the claim 1-8.
10. a construction machinery and equipment is characterized in that, comprises such as each described slide block device among the claim 1-8.
CN 201320280020 2013-05-21 2013-05-21 Sliding block device as well as telescopic bracket and engineering machinery comprising sliding block device CN203247036U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320280020 CN203247036U (en) 2013-05-21 2013-05-21 Sliding block device as well as telescopic bracket and engineering machinery comprising sliding block device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320280020 CN203247036U (en) 2013-05-21 2013-05-21 Sliding block device as well as telescopic bracket and engineering machinery comprising sliding block device

Publications (1)

Publication Number Publication Date
CN203247036U true CN203247036U (en) 2013-10-23

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104847792A (en) * 2014-12-18 2015-08-19 北汽福田汽车股份有限公司 Sliding block and sliding device
CN105058696A (en) * 2015-06-19 2015-11-18 宁波海太工贸有限公司 Formwork supporting and guiding device applied to two-plate-type injection molding machine
CN105712219A (en) * 2016-05-06 2016-06-29 北汽福田汽车股份有限公司 Crane and telescopic boom thereof
CN106006411A (en) * 2016-07-08 2016-10-12 北汽福田汽车股份有限公司 Telescopic boom, adjusting device for tail upper sliding block of telescopic boom and automobile crane
CN106515085A (en) * 2016-12-14 2017-03-22 江苏宇驰包装股份有限公司 Separating and pushing unit of marking press
CN108729860A (en) * 2018-06-04 2018-11-02 湖南五新隧道智能装备股份有限公司 A kind of telescopic arm suit support system and drill jumbo

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104847792A (en) * 2014-12-18 2015-08-19 北汽福田汽车股份有限公司 Sliding block and sliding device
CN104847792B (en) * 2014-12-18 2018-05-11 北汽福田汽车股份有限公司 Sliding block and carriage
CN105058696A (en) * 2015-06-19 2015-11-18 宁波海太工贸有限公司 Formwork supporting and guiding device applied to two-plate-type injection molding machine
CN105712219A (en) * 2016-05-06 2016-06-29 北汽福田汽车股份有限公司 Crane and telescopic boom thereof
CN106006411A (en) * 2016-07-08 2016-10-12 北汽福田汽车股份有限公司 Telescopic boom, adjusting device for tail upper sliding block of telescopic boom and automobile crane
CN106006411B (en) * 2016-07-08 2017-08-04 北汽福田汽车股份有限公司 Telescopic arm support and its afterbody top shoe adjusting apparatus and autocrane
CN106515085A (en) * 2016-12-14 2017-03-22 江苏宇驰包装股份有限公司 Separating and pushing unit of marking press
CN108729860A (en) * 2018-06-04 2018-11-02 湖南五新隧道智能装备股份有限公司 A kind of telescopic arm suit support system and drill jumbo

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20131023

Termination date: 20180521