CN202702147U - Pin plugging and unplugging device - Google Patents
Pin plugging and unplugging device Download PDFInfo
- Publication number
- CN202702147U CN202702147U CN 201220365572 CN201220365572U CN202702147U CN 202702147 U CN202702147 U CN 202702147U CN 201220365572 CN201220365572 CN 201220365572 CN 201220365572 U CN201220365572 U CN 201220365572U CN 202702147 U CN202702147 U CN 202702147U
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- Prior art keywords
- pull bar
- pulling device
- pin
- accommodation hole
- projection
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Abstract
The utility model discloses a pin plugging and unplugging device; and the pin plugging and unplugging device comprises a screw rod (1), a pull rod (2) and a collision block (3), wherein one end of the pull rod (2) is fixedly connected with the screw rod (1); a stopping block (4) is fixedly arranged in the middle of the pull rod (2); a hole (15) is formed in the collision block (3); and the collision block (3) can be selectively sleeved on the pull rod (2) in a slidable way on one side or the other side of the stopping block (4) through the hole (15) and can come into collision with the stopping block (4) so as to plug or unplug a pin. As the pin plugging and unplugging device disclosed by the utility model has both pin unplugging and pin plugging functions, the pin plugging and unplugging device disclosed by the utility model not only can be used for conveniently unplugging a pin shaft so as to detach the pin shaft but also can be used for conveniently plug the pin shaft so as to mount the pin shaft; therefore, labors and time are saved.
Description
Technical field
The utility model relates to a kind of pin inserting-pulling device.
Background technology
In engineering machinery field, usually take following methods to pull out bearing pin with screw: the one, on pull bar, the mode that then bolt is threaded connection is connected with bearing pin, thereby by manpower bearing pin is extracted with bolt welding; The 2nd, directly by the mode of prizing or beaing plunger bearing pin is taken out from locating hole.Because said method may cause damage to bearing pin and locating hole, and loses time and manpower, so produced gradually pin removal.
For example, CN201192833Y discloses a kind of pin removal, as shown in Figure 1, this pin removal comprises mobile jib 18, pull pin assembly 19 and collision block 20, is provided with handle 21 on the mobile jib 18, this handle 21 has to hit takes on 22, the assembly 19 of pulling pin is arranged on the one or both ends of mobile jib 18, and collision block 20 is sleeved on the mobile jib 18 and is pulling pin assembly 19 and hitting between the shoulder 22, wherein, the assembly 19 of pulling pin has threaded shank 23 and connecting portion 24, and connecting portion 24 is threaded with mobile jib 18.During this pin removal work, the threaded shank 23 that makes the assembly 19 of pulling pin is threaded with bearing pin to be extracted, and one of operating personnel hold handle 21, the another hand make collision block 20 towards hit that shoulder 22 moves and with hit shoulder 22 bumps, thereby produce the pulling capacity of extracting bearing pin, bearing pin is extracted.
Above-mentioned pin removal can only be realized the function of pulling pin, and but can't realize the latch function, still needs the artificially to beat bearing pin, could realize the installation of bearing pin.
The utility model content
The purpose of this utility model provides a kind of pin inserting-pulling device that possesses simultaneously the function of pulling pin and latch function.
To achieve these goals, the utility model provides a kind of pin inserting-pulling device, this pin inserting-pulling device comprises screw rod, pull bar and impact block, one end of described pull bar is fixedly connected with described screw rod, the middle part of described pull bar is fixedly installed block, arrange porosely on the described impact block, described impact block can optionally be sleeved on the described pull bar at a side or the opposite side of described block slidably by described hole, and can clash into described block to carry out latch or the operation of pulling pin.
Preferably, this pin inserting-pulling device also comprises the column connector, be provided with the first accommodation hole and the second accommodation hole that extend and communicate along the length direction of this column connector in this column connector, described screw rod has threaded portion and the head that links to each other with this threaded portion, described threaded portion is passed described the first accommodation hole and is stretched out, described head is arranged in described the second accommodation hole and backstop on the end face of the hole wall of described the first accommodation hole, and a described end of described pull bar stretches in described the second accommodation hole the described head of extruding and removably is connected with described column connector.
Preferably, the outer end of described the second accommodation hole is fixedly installed ring baffle, the interior perimeter surface of this ring baffle alternately is provided with projection and groove, the outer surface of a described end of described pull bar correspondingly is formed with projection and the groove that mutually replaces, the hole that a described end of described pull bar passes described ring baffle is stretched in described the second accommodation hole, and so that the protruding backstop of a described end of described pull bar on the projection of described ring baffle.
Preferably, the projection of a described end of the projection of described ring baffle and groove and described pull bar and groove are fan-shaped.
Preferably, the central angle of the projection of a described end of the projection of described ring baffle and groove and described pull bar and groove all equates.
Preferably, shape of cross section and the in the same size of a described end of the shape of cross section in the hole of described impact block and size and described pull bar.
Preferably, be provided with internal thread on the hole wall of described the second accommodation hole, a described end of described pull bar is provided with external screw thread, and described pull bar is threaded with described the second accommodation hole.
Preferably, be provided with pad between the head of a described end of described pull bar and described screw rod.
Preferably, the other end of described pull bar is fixedly installed handle.
Preferably, described handle removably is connected with the other end of described pull bar.
Because the pin inserting-pulling device that the utility model provides possesses the function of pulling pin and latch function simultaneously, so not only can easily bearing pin be extracted by the pin inserting-pulling device that the utility model provides, realize the dismounting of bearing pin, and can easily bearing pin be inserted, realize the installation of bearing pin, saved manpower and time.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of existing pin removal;
Fig. 2 is the decomposing schematic representation of the pin inserting-pulling device that provides of the utility model;
Fig. 3 is that the master of the connector of the pin inserting-pulling device that provides of the utility model looks schematic diagram;
Fig. 4 is that schematic diagram is looked on the right side of the connector of the pin inserting-pulling device that provides of the utility model;
Fig. 5 is the viewgraph of cross-section of an end of the pull bar of the pin inserting-pulling device that provides of the utility model;
Fig. 6 is the viewgraph of cross-section of the impact block of the pin inserting-pulling device that provides of the utility model;
Fig. 7 is the schematic diagram that pin inserting-pulling device that the utility model provides is in the state of pulling pin;
Fig. 8 is the schematic diagram that pin inserting-pulling device that the utility model provides is in the latch state.
Description of reference numerals
1: screw rod 2: pull bar
3: impact block 4: block
5: 6: the first accommodation holes of connector
Accommodation hole 8 in 7: the second: the threaded portion
9: head 10: ring baffle
11,13: projection 12,14: groove
15: hole 16: pad
17: handle 18: mobile jib
19: the assembly 20 of pulling pin: collision block
21: handle 22: hit shoulder
23: threaded shank 24: connecting portion
25: projection 26: groove
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
As shown in Figure 2, the utility model provides a kind of pin inserting-pulling device, this pin inserting-pulling device comprises screw rod 1, pull bar 2 and impact block 3, one end of described pull bar 2 is fixedly connected with described screw rod 1, the middle part of described pull bar 2 is fixedly installed block 4, arrange porose 15 on the described impact block 3, described impact block 3 can optionally be sleeved on the described pull bar 2 at a side or the opposite side of described block 4 slidably by described hole 15, and can clash into described block 4 to carry out latch or the operation of pulling pin.
One end of pull bar 2 can take various suitable modes to be fixedly connected with screw rod 1, for example welds or is threaded.As shown in Figure 3 and Figure 4, according to a kind of preferred embodiment of the present utility model, this pin inserting-pulling device also comprises column connector 5, be provided with the first accommodation hole 6 and the second accommodation hole 7 that extend and communicate along the length direction of this column connector 5 in this column connector 5, described screw rod 1 has threaded portion 8 and the head 9 that links to each other with this threaded portion 8, described threaded portion 8 is passed described the first accommodation hole 6 and is stretched out, described head 9 is arranged in described the second accommodation hole 7 and backstop on the end face of the hole wall of described the first accommodation hole 6, and a described end of described pull bar 2 stretches in described the second accommodation hole 7 the described head 9 of extruding and removably is connected with described column connector 5.Like this, when changing screw rod 1, can pull down first pull bar 2, then screw rod 1 be passed the second accommodation hole 7 and take out, thereby change easily screw rod 1.In addition, can make by the aperture of designing the first accommodation hole 6 threaded portion 8 of different-diameter pass the first accommodation hole 6 and stretch out, thereby only just can plug operation to the bearing pin of different pore size by a pin inserting-pulling device.Column connector 5 can be various columns, for example cylindric or quadrangular shape.In addition, the first accommodation hole 6 and the second accommodation hole 7 also can be various shapes, generally are circular.Moreover the size of the first accommodation hole 6 and the second accommodation hole 7 can suitably be selected as required.Threaded portion 8 and head 9 structure that usually forms as one.In addition, generally, the cross-sectional area of the second accommodation hole 7 is greater than the cross-sectional area of the first accommodation hole 6, and the cross-sectional area of head 9 is greater than the cross-sectional area of threaded portion 8.
A described end of pull bar 2 can take various suitable modes removably to be connected with column connector 5.According to a kind of preferred embodiment of the present utility model, the outer end of described the second accommodation hole 7 is fixedly installed ring baffle 10, the interior perimeter surface of this ring baffle 10 alternately is provided with projection 11 and groove 12, the outer surface of a described end of described pull bar 2 correspondingly is formed with projection 13 and the groove 14 that mutually replaces, the hole that a described end of described pull bar 2 passes described ring baffle 10 is stretched in described the second accommodation hole 7, and so that projection 13 backstops of a described end of described pull bar 2 on the projection 11 of described ring baffle 10.Because the hole that only needs the described end with pull bar 2 to pass ring baffle 10 is stretched in the second accommodation hole 7 and make projection 13 backstops of a described end of pull bar 2 just can realize removably connecting of pull bar 2 and column connector 5 on the projection 11 of ring baffle 10 pull bar 2 rotation predetermined angulars, so can change easily and quickly screw rod 1.Ring baffle 10 can be fixedly connected with the hole wall of the second accommodation hole 7 by the mode of welding, also can form as one with the hole wall of the second accommodation hole 7.The projection 13 of one end of the projection 11 of ring baffle 10 and groove 12 and pull bar 2 and the quantity of groove 14 can suitably be selected, in Fig. 3 and embodiment shown in Figure 4, the projection 11 of baffle plate 10 and groove 12 respectively are three, as shown in Figure 5, correspondingly, the projection 13 of an end of pull bar 2 and groove 14 also respectively are three.
The projection 13 of a described end of the projection 11 of described ring baffle 10 and groove 12 and described pull bar 2 and groove 14 can be various suitable shapes.For convenient processing, preferably, projection 13 and the groove 14 of a described end of the projection 11 of described ring baffle 10 and groove 12 and described pull bar 2 are fan-shaped.For the projection 13 of the described end that makes things convenient for pull bar 2 is aimed at the projection 11 of ring baffle 10, preferably, the projection 13 of a described end of the projection 11 of described ring baffle 10 and groove 12 and described pull bar 2 and the central angle of groove 14 all equate.
The shape and size of impact block 3 can suitably be selected, as long as can realize its function.In order to make things convenient for the installation of impact block 3, as shown in Figure 6, preferably, shape of cross section and the in the same size of a described end of the shape of cross section in the hole 15 of described impact block 3 and size and described pull bar 2, that is, can correspondingly be formed with projection 25 and groove 26 on the interior perimeter surface of impact block 3.
Other is, as selection, also can be provided with internal thread on the hole wall of described the second accommodation hole 7, and a described end of described pull bar 2 can be provided with external screw thread, and described pull bar 2 is threaded with described the second accommodation hole 7.Can realize easily like this, equally removably connecting of pull bar 2 and column connector 5.
For can solid and reliable ground cylinder lever connecting rod 2 and screw rod 1, preferably, be provided with pad 16 between a described end of described pull bar 2 and the head 9 of described screw rod 1.Pad 16 can be various suitable forms, for example form of rubber washer.
In order to operate easily pull bar 2, preferably, the other end of described pull bar 2 is fixedly installed handle 17.Handle 17 can be taked various suitable versions.Preferably, handle 17 removably is connected with the other end of pull bar 2, and for example handle 17 mode that can be threaded connection removably is connected with the other end of pull bar 2.Like this, when a side installation or removal impact block 3 that need to be at handle 17 places of pull bar 2, can first handle 17 be pulled down, thus installation or removal impact block 3 easily.
In addition for need to prove, in the utility model, the middle part of pull bar 2 also not only refers to the position, middle of pull bar 2, and refer near the position, middle of the position, middle of pull bar 2 and pull bar 2 position, as long as can on pull bar 2, the both sides of block 4 be that impact block 3 is reserved enough spaces, realize that the plug operation of bearing pin gets final product.
Block 4 can take various suitable modes to be fixedly installed on the pull bar 2, for example welds or is threaded.
Below, the operating process of the pin inserting-pulling device that the utility model specific embodiment provides is described by reference to the accompanying drawings.
As shown in Figure 7, when needs are pulled pin operation, impact block 3 is installed in a side (being the left side of block 4 among Fig. 7) at screw rod 1 place of pull bar 2, screw rod 1 is threaded with bearing pin to be extracted, then one of operator hand steered handle 17, the another hand promotes impact block 3 along direction shown in the arrow A, makes impact block 3 and block 4 collisions, thereby produce the pulling capacity along direction shown in the arrow A, bearing pin is extracted; As shown in Figure 8, when needs carry out the latch operation, impact block 3 is installed in a side (being the right side of block 4 among Fig. 8) at handle 17 places of pull bar 2, screw rod 1 is threaded with bearing pin to be installed, then one of operator hand steered handle 17, the another hand promotes impact block 3 along direction shown in the arrow B, make impact block 3 and block 4 collisions, thereby produce the thrust along direction shown in the arrow B, bearing pin is inserted in the installing hole, thereby the installation of realization bearing pin.
In sum, the pin inserting-pulling device that provides of the utility model has following advantage.
1) because the pin inserting-pulling device that the utility model provides possesses the function of pulling pin and latch function simultaneously, so not only can easily bearing pin be extracted by the pin inserting-pulling device that the utility model provides, realize the dismounting of bearing pin, and can easily bearing pin be inserted, realize the installation of bearing pin, saved manpower and time;
2) can make by the aperture of designing the first accommodation hole 6 threaded portion 8 of different-diameter pass the first accommodation hole 6 and stretch out, thereby only just can plug operation to the bearing pin of different pore size by a pin inserting-pulling device;
3) because the hole that only needs the described end with pull bar 2 to pass ring baffle 10 is stretched in the second accommodation hole 7 and make projection 13 backstops of a described end of pull bar 2 just can realize removably connecting of pull bar 2 and column connector 5 on the projection 11 of ring baffle 10 pull bar 2 rotation predetermined angulars, so can change easily and quickly screw rod 1, improve operating efficiency.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode.For fear of unnecessary repetition, the utility model is to the no longer separately explanation of various possible combinations.
In addition, also can carry out any combination between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. pin inserting-pulling device, it is characterized in that, this pin inserting-pulling device comprises screw rod (1), pull bar (2) and impact block (3), one end of described pull bar (2) is fixedly connected with described screw rod (1), the middle part of described pull bar (2) is fixedly installed block (4), arrange on the described impact block (3) porose (15), described impact block (3) can optionally be sleeved on the described pull bar (2) at a side or the opposite side of described block (4) slidably by described hole (15), and can clash into described block (4) to carry out latch or the operation of pulling pin.
2. pin inserting-pulling device according to claim 1, it is characterized in that, this pin inserting-pulling device also comprises column connector (5), be provided with the first accommodation hole (6) and the second accommodation hole (7) that extend and communicate along the length direction of this column connector (5) in this column connector (5), described screw rod (1) has threaded portion (8) and the head (9) that links to each other with this threaded portion (8), described threaded portion (8) is passed described the first accommodation hole (6) and is stretched out, described head (9) is arranged in described the second accommodation hole (7) and backstop on the end face of the hole wall of described the first accommodation hole (6), and a described end of described pull bar (2) stretches in described the second accommodation hole (7) extruding described head (9) and removably is connected with described column connector (5).
3. pin inserting-pulling device according to claim 2, it is characterized in that, the outer end of described the second accommodation hole (7) is fixedly installed ring baffle (10), the interior perimeter surface of this ring baffle (10) alternately is provided with projection (11) and groove (12), the outer surface of a described end of described pull bar (2) correspondingly is formed with projection (13) and the groove (14) that mutually replaces, a described end of described pull bar (2) passes the hole of described ring baffle (10) and stretches in described the second accommodation hole (7), and so that projection (13) backstop of a described end of described pull bar (2) on the projection (11) of described ring baffle (10).
4. pin inserting-pulling device according to claim 3 is characterized in that, projection (13) and the groove (14) of a described end of the projection (11) of described ring baffle (10) and groove (12) and described pull bar (2) are fan-shaped.
5. pin inserting-pulling device according to claim 4 is characterized in that, the projection (13) of a described end of the projection (11) of described ring baffle (10) and groove (12) and described pull bar (2) and the central angle of groove (14) all equate.
6. pin inserting-pulling device according to claim 3 is characterized in that, shape of cross section and the in the same size of a described end of the shape of cross section in the hole (15) of described impact block (3) and size and described pull bar (2).
7. pin inserting-pulling device according to claim 2, it is characterized in that, be provided with internal thread on the hole wall of described the second accommodation hole (7), a described end of described pull bar (2) is provided with external screw thread, and described pull bar (2) is threaded with described the second accommodation hole (7).
8. pin inserting-pulling device according to claim 2 is characterized in that, is provided with pad (16) between a described end of described pull bar (2) and the head (9) of described screw rod (1).
9. pin inserting-pulling device according to claim 1 is characterized in that, the other end of described pull bar (2) is fixedly installed handle (17).
10. pin inserting-pulling device according to claim 9 is characterized in that, described handle (17) removably is connected with the other end of described pull bar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220365572 CN202702147U (en) | 2012-07-26 | 2012-07-26 | Pin plugging and unplugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220365572 CN202702147U (en) | 2012-07-26 | 2012-07-26 | Pin plugging and unplugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202702147U true CN202702147U (en) | 2013-01-30 |
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ID=47582486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220365572 Expired - Fee Related CN202702147U (en) | 2012-07-26 | 2012-07-26 | Pin plugging and unplugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202702147U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352901A (en) * | 2013-07-12 | 2013-10-16 | 中联重科股份有限公司 | Device for demounting hinge pin |
| CN103894967A (en) * | 2014-03-21 | 2014-07-02 | 国家电网公司 | Rapid pin puller for vacuum switch |
| CN107855980A (en) * | 2017-10-10 | 2018-03-30 | 中国空气动力研究与发展中心高速空气动力研究所 | One kind is pulled pin and take-up device |
| CN112847245A (en) * | 2020-12-31 | 2021-05-28 | 安徽舜禹水务股份有限公司 | Device for rapidly pulling out mold pin |
-
2012
- 2012-07-26 CN CN 201220365572 patent/CN202702147U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352901A (en) * | 2013-07-12 | 2013-10-16 | 中联重科股份有限公司 | Device for demounting hinge pin |
| CN103352901B (en) * | 2013-07-12 | 2015-10-14 | 中联重科股份有限公司 | Detaching device for pin shaft |
| CN103894967A (en) * | 2014-03-21 | 2014-07-02 | 国家电网公司 | Rapid pin puller for vacuum switch |
| CN103894967B (en) * | 2014-03-21 | 2015-09-09 | 国家电网公司 | For the Quick pin remover of vacuum switch |
| CN107855980A (en) * | 2017-10-10 | 2018-03-30 | 中国空气动力研究与发展中心高速空气动力研究所 | One kind is pulled pin and take-up device |
| CN107855980B (en) * | 2017-10-10 | 2023-10-20 | 中国空气动力研究与发展中心高速空气动力研究所 | Pin pulling and tensioning device |
| CN112847245A (en) * | 2020-12-31 | 2021-05-28 | 安徽舜禹水务股份有限公司 | Device for rapidly pulling out mold pin |
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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: 20130130 Termination date: 20160726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |