CN208117724U - Pulling attachment - Google Patents
Pulling attachment Download PDFInfo
- Publication number
- CN208117724U CN208117724U CN201820263150.5U CN201820263150U CN208117724U CN 208117724 U CN208117724 U CN 208117724U CN 201820263150 U CN201820263150 U CN 201820263150U CN 208117724 U CN208117724 U CN 208117724U
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- CN
- China
- Prior art keywords
- connecting rod
- choosing
- extension support
- bottom plate
- pulling attachment
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- 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.)
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Links
- 239000007787 solid Substances 0.000 claims 2
- 238000012423 maintenance Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model embodiment discloses a kind of pulling attachment comprising：Extension support, first connecting rod, portion of choosing, the Extension support is hollow, and for being located at wait pull out object, the portion of choosing is mounted in the second end of the Extension support first end of the Extension support；For the first end of the first connecting rod for connecting with object to be pulled out, the second end of the first connecting rod sequentially passes through the first end of the Extension support and the second end of Extension support, connect with the portion of choosing；The portion of choosing controls the first connecting rod and moves along the length direction of the first connecting rod, and object to be pulled out is extracted.Maintenance man-hours can be shortened using the utility model embodiment, improve choose efficiency and safety coefficient.
Description
Technical field
The utility model relates to coal mine machinery technical fields, and in particular to a kind of pulling attachment.
Background technique
With equipment increasingly aging, the reasons such as operating environment is severe in addition, mechanical connection position is inevitably
Phenomena such as fatigue is damaged, corrodes, therefore more difficulty, especially extraction connecting portion pin shaft are brought to maintenance task, it is serious to restrict
Maintenance progress.
It is existing extract pin shaft method be：Pin shaft is knocked out using copper rod or iron staff.It can not be straight if pin shaft is mounted on
Connect the position extracted using percussion mode, need first disengaging section associate member, then tapped, not only increase maintenance load and
Labor intensity；Can also different degrees of damage be brought to pin shaft and other associate members, while be also easy to evoke splash, be easy wound
Evil worker personnel, there are larger security risks.
Utility model content
In view of this, the utility model embodiment proposes a kind of pulling attachment, to solve the above technical problems.
The utility model embodiment proposes a kind of pulling attachment comprising：Extension support, first connecting rod, portion of choosing, it is described
Extension support is hollow, and for the first end of the Extension support for being located at wait pull out object, the portion of choosing is mounted on the Extension support
Second end on；The first end of the first connecting rod for being connect with object to be pulled out, the second end of the first connecting rod according to
It is secondary across the first end of the Extension support and the second end of Extension support, connect with the portion of choosing；It is described to choose described in portion's control
First connecting rod is moved along the length direction of the first connecting rod, and object to be pulled out is extracted.
Optionally, further include：First fixed block, the first end of the first connecting rod by first fixed block with to
Pull out object connection.
Optionally, further include：Second fixed block, the portion of choosing is hollow, and the second end of the first connecting rod is by described
It chooses and is pierced by portion, the second end of the first connecting rod is connect by second fixed block with the portion of choosing.
Optionally, the Extension support includes the first bottom plate, the second bottom plate and at least two second connecting rods, first bottom
Plate and second bottom plate are oppositely arranged, and first bottom plate and second bottom plate pass through at least two second connecting rods
Connection, at least two second connecting rods are located between two bottom plates, and the first mounting hole, institute are provided on first bottom plate
It states and is provided with the second mounting hole on the second bottom plate, the portion of choosing is mounted on the first bottom plate, and the first connecting rod is nested in
On first mounting hole and the second mounting hole.
Optionally, the quantity of second connecting rod is three, week of three second connecting rods along the Extension support
To being uniformly distributed.
Optionally, the Extension support is drum.
Optionally, the first connecting rod is lead screw.
Optionally, the first end of the first connecting rod is spirally connected with first fixed block, and the of the first connecting rod
Two ends are spirally connected with second fixed block.
Optionally, the portion of choosing includes hydraulic cylinder and hydraulic pump, and the telescopic rod of the hydraulic cylinder is hollow, and described
The second end of one connecting rod passes through the telescopic rod of the hydraulic cylinder, and connect with the telescopic rod of the hydraulic cylinder, the liquid
The telescopic rod that press pump controls the hydraulic cylinder stretches out, and the telescopic rod drives first connecting rod mobile.
Optionally, the hydraulic pump is electric hydraulic pump.
Pulling attachment provided by the embodiment of the utility model is chosen by setting Extension support, first connecting rod and portion of choosing
Portion is erected at by Extension support wait pull out on object, and mobile by control first connecting rod extracts object to be pulled out, can reduce because
Weight taps the damage of bring pin shaft and associate member, reduces because installation site is limited bring part additional workload, shortens
Maintenance man-hours improve removal efficiency, also can avoid the generation of splash caused by tapping because of weight, reduce security risk, improve
Safety coefficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the pulling attachment of the utility model embodiment.
Fig. 2 is the main view in the portion of choosing of the utility model embodiment.
Fig. 3 is the structural schematic diagram of first bottom plate of the utility model embodiment.
Fig. 4 is the structural schematic diagram of second bottom plate of the utility model embodiment.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the technical solution of the utility model is described in detail.Wherein phase
Same components are presented with like reference characters.It should be noted that word "front", "rear" used in the following description,
"left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from specific
The direction at component geometry center.
Embodiment one
Fig. 1 shows the structural schematic diagram of the pulling attachment of the utility model embodiment, as shown in Figure 1, the utility model
The pulling attachment that embodiment provides comprising：Extension support 1, first connecting rod 3, portion 2 of choosing.
Wherein, Extension support 1 is hollow structure.The first end of the Extension support 1 is described for being located at object 6 to be pulled out
Portion 2 of choosing is mounted in the second end of the Extension support 1.The first end of the first connecting rod 3 is used to connect with object 6 to be pulled out
It connects.The second end of the first connecting rod 3 sequentially passes through the first end of the Extension support 1, the second end of Extension support 1, and described
Choose portion 2 connection.The portion 2 of choosing controls the first connecting rod 3 and moves along the length direction of the first connecting rod 3, with
Object to be pulled out is extracted.
Pulling attachment is in use, the first end of Extension support 1 is located on object 6 to be pulled out, and is fixed.Choose portion 2 installation
Frame 1 is extended through in the second end of Extension support 1, and by the first end of first connecting rod 3, with (such as the pin shaft of object to be pulled out 6
Center) it connects, portion 2 of choosing controls the first connecting rod 3 and moves along the length direction of the first connecting rod 3, will object be pulled out
Body 6 is extracted.
Pulling attachment provided by the embodiment of the utility model is chosen by setting Extension support, first connecting rod and portion of choosing
Portion is erected at by Extension support wait pull out on object, and mobile by control first connecting rod extracts object to be pulled out, can reduce because
Weight taps the damage of bring pin shaft and associate member, reduces because installation site is limited bring part additional workload, shortens
Maintenance man-hours improve removal efficiency, also can avoid the generation of splash caused by tapping because of weight, reduce security risk, improve
Safety coefficient.
Embodiment two
On the basis of the above embodiment 1, optionally, as shown in Figure 1, pulling attachment further includes：First fixed block 5, institute
The first end of first connecting rod 3 is stated to connect by first fixed block 5 with object 6 to be pulled out, with improve first connecting rod 3 and to
The connection speed of object 6 is pulled out, efficiency of choosing is improved.
In the present embodiment, the first fixed block 5 is welded with object 6 to be pulled out.First fixed block 5 is cylindrical iron block, straight
Diameter is about 105mm, and height is about 60mm.Threaded hole is provided on first fixed block 5, on first connecting rod 3 and the first fixed block 5
Screw hole improve removal efficiency to facilitate the handling of pulling attachment.
Further, pulling attachment further includes：Second fixed block 4, choosing portion 2 also is hollow structure, first connection
The second end of bar 3 is pierced by by the portion 2 of choosing, and the second end of first connecting rod 3 is chosen by second fixed block 4 with described
Portion 2 connects, easy to carry to facilitate the dismounting of pulling attachment.In the present embodiment, portion 2 of choosing can be hollow telescopic rod.
In the present embodiment, the second fixed block 4 is also cylindrical iron block, and diameter is about 105mm, and height is about 60mm.
It is provided with through-hole on second fixed block 4, through-hole is provided on the second fixed block 4, first connecting rod 3 is spirally connected with through-hole, with convenient
The handling of pulling attachment improve removal efficiency.
Further, as shown in Figure 1, the second end of first connecting rod 3 is pierced by through-hole, and first connecting rod 3 and through-hole spiral shell
It connects, the second fixed block 4 is connected in the portion of choosing 2, and the portion of choosing 2 can be made directly first connecting rod 3 to be driven to move, and improves effect of choosing
Rate.
Preferably, as shown in Fig. 2, the Extension support 1 includes the first bottom plate 11, the second bottom plate 12 and at least two connecting rods
13, the first bottom plate 11 and the second bottom plate 12 are oppositely arranged.First bottom plate 11 and second bottom plate 12 by it is described at least
Two connecting rods 13 connect, and at least two connecting rods 13 are located between two bottom plates, are provided with first on the first bottom plate 11
Mounting hole 111 is provided with the second mounting hole 121 on second bottom plate 12.Portion 2 of choosing is mounted on the first bottom plate 11, the first connection
Bar 3 is nested on the first mounting hole 111 and the second mounting hole 121.Connected by setting two bottom plates for Extension support 1 by second
Extension bar connection, can reduce the weight of Extension support 1, convenient for the disassembly of object to be pulled out, improve removal efficiency.
As in Figure 2-4, the first bottom plate 11 and the second bottom plate 12 are plectane, and the outer diameter of plectane is about 120mm, plectane
Thickness is about 20mm.The internal diameter of first mounting hole 111 is about 40mm, and the internal diameter of the second mounting hole 121 is about 90mm.
It is provided with multiple third mounting holes 112 on first bottom plate 11, multiple 4th mounting holes are provided on the second bottom plate 12
122.Third mounting hole 112 and the 4th mounting hole 122 are inserted into the both ends of second connecting rod 13 respectively, and two bottom plates are connected.?
In the present embodiment, third connecting rod 13 is vertical with two bottom plates respectively.The diameter of third mounting hole 112 and the 4th mounting hole 122
It is each about 10mm, the second connecting rod 13 is the reinforcing bar of length 400mm, diameter 10mm.
In a preferred embodiment of the utility model, the quantity of the second connecting rod 13 is three, three second connections
Bar 13 is uniformly distributed along the circumferential direction of Extension support 1, to guarantee the first bottom plate 11 and 12 stress equalization of the second bottom plate.
In another preferred embodiment of the utility model, the Extension support 1 is drum, can prevent the pin shaft extracted from falling
It falls, staff is damaged, or damage equipment, improve the safety coefficient of operation.Drum can be by bucket wall and two plectanes
It is welded.
In a preferred embodiment of the utility model, first connecting rod 3 is lead screw.Screw rod uses M50mm full thread
Formula lead screw, length are about 850mm.Correspondingly, the size of 5 upper screwed hole of the first locating piece is M50 × 40mm, the second locating piece
Through-hole on 4 is M50mm through-hole.
Optionally, the portion 2 of choosing includes hydraulic cylinder and hydraulic pump, and the telescopic rod of the hydraulic cylinder is hollow, described
The second end of first connecting rod 3 passes through the telescopic rod, and connect with the telescopic rod.
As shown in Figure 1, first connecting rod 3 is fixed on telescopic rod by the second fixed block 4.Described in the hydraulic pump control
The telescopic rod of hydraulic cylinder stretches out, and the telescopic rod drives first connecting rod mobile.By that will choose, portion 2 is set as hydraulic cylinder
And hydraulic pump, labor intensity of workers can be reduced, efficiency of choosing is improved.In the present embodiment, hydraulic cylinder is designed as diameter and is
65mm hollow type hydraulic cylinder, rated load are 60 tons.
In use, oil liquid is pressed into hydraulic cylinder by hydraulic pump, the telescopic rod of hydraulic cylinder is driven to stretch out by oil liquid pressure,
Since first connecting rod 3 is fixed by the second locating piece 4, first connecting rod 3 is driven to move, first connecting rod 3 is by pulling force
Object 6 (such as pin shaft) to be pulled out is passed to by the first locating piece 5, so that pin shaft be extracted.
Further, the hydraulic pump is electric hydraulic pump, to increase the operability of equipment, improves efficiency of choosing.
In the other embodiments of the utility model, Manual hydraulic pump is can also be used in hydraulic pump.
More than, the technical solution of the utility model is described in detail in conjunction with specific embodiments, it is described specific
Embodiment is used to help understand the thought of the utility model.Those skilled in the art are on the basis of the utility model specific embodiment
On the derivation made and modification also belong within scope of protection of the utility model.
Claims (10)
1. a kind of pulling attachment, which is characterized in that including：Extension support, first connecting rod, portion of choosing, the Extension support is hollow, institute
The first end of Extension support is stated for being located at wait pull out object, the portion of choosing is mounted in the second end of the Extension support；Institute
The first end of first connecting rod is stated for connecting with object to be pulled out, the second end of the first connecting rod sequentially passes through the extension
The first end of frame and the second end of Extension support, connect with the portion of choosing；The portion of choosing controls the first connecting rod along institute
The length direction for stating first connecting rod is mobile, and object to be pulled out is extracted.
2. pulling attachment as described in claim 1, which is characterized in that further include：First fixed block, the first connecting rod
First end is connect by first fixed block with object to be pulled out.
3. pulling attachment as claimed in claim 2, which is characterized in that further include：Second fixed block, the portion of choosing is hollow,
For the second end of the first connecting rod by being pierced by the portion of choosing, the second end of the first connecting rod is solid by described second
Determine block to connect with the portion of choosing.
4. pulling attachment as described in claim 1, which is characterized in that the Extension support include the first bottom plate, the second bottom plate and
At least two second connecting rods, first bottom plate and second bottom plate are oppositely arranged, first bottom plate and described second
Bottom plate is located between two bottom plates by least two second connecting rod connections, at least two second connecting rods, institute
It states and is provided with the first mounting hole on the first bottom plate, the second mounting hole is provided on second bottom plate, the portion of choosing is mounted on
On first bottom plate, the first connecting rod is nested on first mounting hole and the second mounting hole.
5. pulling attachment as claimed in claim 4, which is characterized in that the quantity of second connecting rod is three, three institutes
The circumferential direction that the second connecting rod is stated along the Extension support is uniformly distributed.
6. pulling attachment as described in claim 1, which is characterized in that the Extension support is drum.
7. pulling attachment as claimed in claim 3, which is characterized in that the first connecting rod is lead screw.
8. pulling attachment as claimed in claim 7, which is characterized in that the first end of the first connecting rod is solid with described first
Determine block to be spirally connected, the second end of the first connecting rod is spirally connected with second fixed block.
9. pulling attachment as described in claim 1, which is characterized in that the portion of choosing includes hydraulic cylinder and hydraulic pump, institute
The telescopic rod for stating hydraulic cylinder is hollow, and the second end of the first connecting rod passes through the telescopic rod of the hydraulic cylinder, and with institute
The telescopic rod connection of hydraulic cylinder is stated, the telescopic rod of hydraulic cylinder described in the hydraulic pump control stretches out, and the telescopic rod drives
First connecting rod is mobile.
10. pulling attachment as claimed in claim 9, which is characterized in that the hydraulic pump is electric hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820263150.5U CN208117724U (en) | 2018-02-23 | 2018-02-23 | Pulling attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820263150.5U CN208117724U (en) | 2018-02-23 | 2018-02-23 | Pulling attachment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208117724U true CN208117724U (en) | 2018-11-20 |
Family
ID=64204359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820263150.5U Active CN208117724U (en) | 2018-02-23 | 2018-02-23 | Pulling attachment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208117724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236711A (en) * | 2021-04-30 | 2021-08-10 | 神华准格尔能源有限责任公司 | End connection for a steel cord and method of making a steel cord end connection |
-
2018
- 2018-02-23 CN CN201820263150.5U patent/CN208117724U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236711A (en) * | 2021-04-30 | 2021-08-10 | 神华准格尔能源有限责任公司 | End connection for a steel cord and method of making a steel cord end connection |
| CN113236711B (en) * | 2021-04-30 | 2022-09-02 | 神华准格尔能源有限责任公司 | End connection for a steel cord and method of making a steel cord end connection |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |