CN210260910U - Micro-variable matching pin for installing standard knot of tower crane - Google Patents
Micro-variable matching pin for installing standard knot of tower crane Download PDFInfo
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- CN210260910U CN210260910U CN201920991397.3U CN201920991397U CN210260910U CN 210260910 U CN210260910 U CN 210260910U CN 201920991397 U CN201920991397 U CN 201920991397U CN 210260910 U CN210260910 U CN 210260910U
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- pin
- seam
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- variable matching
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Abstract
The utility model discloses a tower machine standard festival installation is with declining cooperation pin, including the pin body, the radial cross-section of pin body is the disc, set up the seam on the pin body, the seam with the axis coincidence of pin body, the seam is located and is close to the position of the afterbody of pin body, just the seam is followed one side of pin body is run through to the opposite side. The utility model discloses set up on the pin body and have the seam, seam and the axis coincidence of pin body, and the seam is located the position of the afterbody that is close to the pin body, and the seam runs through to the opposite side from one side of pin body. Through the structural design, under the condition that the effective working length of the pin is not changed, when the pin is driven in during the connection of the standard sections, the position of the pin close to the tail part can be retracted or adaptive, even if the coaxiality between pin holes of the standard sections generates errors, the front end of the pin can be slightly changed during the matching with the pin holes, and the pin can be conveniently driven in and out.
Description
Technical Field
The utility model belongs to machining basis part field, concretely relates to tower machine standard festival installation is with declining cooperation pin.
Background
The standard festival of tower machine installation widely uses the pin cooperation, utilizes the pin to link together two standard festival, nevertheless because be the structure between the standard festival, the pinhole of seting up on the fishplate of standard festival and the pinhole of seting up on the backplate of standard festival can produce certain deformation in the refabrication process, perhaps when the fishplate pinhole of two standard festival and backplate pinhole cooperation, the axis of pinhole can not be guaranteed on same straight line to the axiality that leads to the pinhole can produce the error. If the pin among the prior art is adopted when connecting two standard festival, because the axiality of pinhole can produce the error, need to beat the pin into by force hard, can cause the deformation of pinhole once more at the in-process of beating into by force. In conclusion, the pins in the prior art are difficult to connect and install standard pin hole joints with coaxiality errors, and time and labor are wasted.
Disclosure of Invention
Technical problem to among the prior art, the utility model provides a tower machine standard festival installation is with declining cooperation pin, its aim at when two standard festival connect for the pin can be easy with pinhole installation cooperation, labour saving and time saving.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
the utility model provides a tower machine standard festival installation is with declining cooperation pin, includes the pin body, the radial cross-section of pin body is the disc, set up seamed on the pin body, the seam with the axis coincidence of pin body, the seam is located and is close to the position of the afterbody of pin body, just the seam is followed one side of pin body is run through to the opposite side.
Furthermore, two seams are formed in the pin body, and the two seams are perpendicular to each other.
Furthermore, the pin body comprises a first body and a second body, one end of the first body is a tail part, the other end of the first body is connected with one end of the second body, and the other end of the second body is a head part; the first body is of a conical structure, and the diameter of the first body is gradually increased from the tail part to the other end of the first body; the second body is a cylinder.
Further, a ratio of a length of the first body to a length of the pin body is 1:3 to 1: 5.
Furthermore, a first lock pin hole and a second lock pin hole are formed in the first body in a penetrating mode, the axes of the first lock pin hole and the second lock pin hole are perpendicular to each other, and the axes of the first lock pin hole and the second lock pin hole are perpendicular to the axis of the pin body.
Furthermore, one end of a seam intersects with the first lock pin hole, the other end of the seam extends to the second body, and the other end of the seam does not intersect with the effective working section of the pin body;
one end of the other seam is intersected with the second lock pin hole, the other end of the other seam extends to the second body, and the other end of the other seam is not intersected with the effective working section of the pin body.
Further, the ratio of the width of each of the slits to the diameter of the second body is 43:1 to 58: 1.
Further, the length of the slot is less than the length of the active working section of the pin body.
Furthermore, the tail part of the pin body is provided with an arc chamfer.
Furthermore, a protrusion is arranged on the pin body and is close to the head of the pin body.
Compared with the prior art, the utility model discloses following beneficial effect has at least: the utility model discloses set up on the pin body and have the seam, seam and the axis coincidence of pin body, and the seam is located the position of the afterbody that is close to the pin body, and the seam runs through to the opposite side from one side of pin body. Through such structural design, under the unchangeable circumstances of the effective working length of pin, connect between two standard festival, when squeezing into the pinhole of seting up on the fishplate and the pinhole of seting up on the standard festival backplate with the pin, the position that the pin is close to the afterbody can go back and contract and self-adaptation, when the axiality produces the error between the pinhole of seting up on the fishplate of standard festival and the pinhole of seting up on the standard festival backplate promptly, can go on slightly becoming when pin and pinhole cooperation, make things convenient for beating into and withdraw from of pin, and is laborsaving, the dress when saving time and being convenient for to found the tower and fall the tower, the dismantlement work.
Further, the utility model discloses two seams have been seted up on the pin body, and two seams are mutually perpendicular, and such design can make going on that the pin afterbody can be better retract and self-adaptation, can guarantee the intensity of pin self again simultaneously.
Further, first body is the toper structure, and the diameter of first body is followed the afterbody and is gone into the other end grow gradually to first body, and the pinhole is admitted when the pinhole and is carried out the standard festival connection to the pin, can make things convenient for quick the recognition pinhole.
Furthermore, the ratio of the length of the first body to the length of the pin body is designed to be 1:3 to 1:5, so that the cost of the pin body can be saved on the premise that the pin body meets the strength requirement of the pin body.
Furthermore, a first lock pin hole and a second lock pin hole are formed in the first body in a penetrating mode, the axes of the first lock pin hole and the second lock pin hole are perpendicular to each other, the axes of the first lock pin hole and the second lock pin hole are perpendicular to the axes of the pin bodies, after the pins penetrate through the fishplate pin holes and the guard plate pin holes of the standard section, if the first lock pin holes in the two pins are not aligned to each other and deviate from each other greatly, only any one pin needs to be slightly rotated, the first lock pin hole in one pin is aligned to the second lock pin hole in the other pin, the lock pins are inserted into the lock pin holes after the lock pin holes are aligned to each other, and therefore the problem that the lock pin holes are aligned to each other repeatedly is solved, and great convenience is brought to actual.
Further, the one end of seam is crossing with the lockpin hole, and the other end of seam extends to on the second body, the utility model discloses set up of seam does not destroy the structure of lockpin hole self, can make the pin go on retracting and self-adaptation again, design benefit, the practicality is strong.
Further, the ratio of the width of the slot to the diameter of the second body is designed to be 43:1 to 58:1, so that the pin can be enabled to generate retraction self-adaption, and the strength of the pin can meet requirements.
Furthermore, the tail part of the pin body is provided with the arc chamfer, so that stress concentration is avoided, the service life of the pin is prolonged, and the pin can conveniently and quickly identify the pin hole.
Furthermore, the pin body is provided with a protrusion which is close to the head of the pin body, the protrusion plays a role in limiting the pin, and after the pin is installed in place, the protrusion is abutted to the standard knot.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a front view of FIG. 1;
fig. 4 is a schematic perspective view of the present invention;
FIG. 5 is a force diagram of the micro-change pin of the present invention during installation driving;
fig. 6 is a force diagram of the micro-change pin of the present invention when the pin is detached and knocked out.
In the figure: 1-a pin body; 11-a first body; 12-a second body; 2-sewing; 3-tail; 4-a head; 5-a first lock pin hole; 6-bulge; 7-second locking pin hole.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
With reference to fig. 1, 2 and 3, as a preferred embodiment of the present invention, a micro-variation matching pin for installing a standard section of a tower crane includes a pin body 1, the radial cross section of the pin body 1 is a circular surface, the pin body 1 includes a first body 11 and a second body 12, one end of the first body 11 is a tail portion 3, the other end of the first body 11 is connected with one end of the second body 12, the other end of the second body 12 is a head portion 4, preferably, the first body 11 and the second body 12 are integrally formed. The first body 11 is of a conical structure, the diameter of the first body 11 is gradually increased from the tail part 3 to the other end of the first body 11, and when the pin is assembled with the pin hole of the standard knot, the pin hole can be conveniently and quickly identified; the second body 12 is cylindrical to ensure uniform contact between the pins and the walls of the pin holes, thereby allowing uniform pin force. Preferably, the ratio of the length of the first body 11 to the length of the pin body 1 is from 1:3 to 1: 5.
The pin body 1 is provided with a seam 2, the seam 2 is superposed with the axis of the pin body 1, the seam 2 is positioned at a position close to the tail part 3 of the pin body 1, the seam 2 penetrates from one side of the pin body 1 to the other side, the ratio of the width of the seam 2 to the diameter of the second body 12 is 43: 1-58: 1, and the length of the seam 2 is smaller than that of the effective working section of the pin body 1. As can be known to those skilled in the art, the effective working section of the pin body 1 refers to the part of the pin body extending into the standard knot fishplate pin hole and the standard knot guard plate pin hole, and specifically, the length of the effective working section of the pin body 1 is as follows: the thickness of the fishplate of the standard knot is two times of the thickness of the fishplate of the standard knot plus the thickness of the angle steel of the standard knot.
As a certain preferred embodiment of the utility model, as shown in fig. 1, two seams 2 have been seted up on the pin body 1, and two seams 2 mutually perpendicular, form crisscross seam promptly for the pin can be better when being connected with standard festival fishplate pinhole and backplate pinhole cooperation, go on retracting and self-adaptation.
As shown in fig. 1, 2, 3 and 4, the first body 11 is provided with a first lock pin hole 5 and a second lock pin hole 7, the axes of the first lock pin hole 5 and the second lock pin hole 7 are perpendicular to each other, and the axes of the first lock pin hole 5 and the second lock pin hole 7 are perpendicular to the axis of the pin body 1. In use, the locking pin is inserted into the first locking pin hole 5 or the second locking pin hole 7 of the two pins to form an interlocking structure. The utility model discloses a design has the benefit of two lockpin holes (first lockpin hole 5 and second lockpin hole 7) to be, after the pin passes standard festival fishplate pinhole and backplate pinhole, if first lockpin hole 5 on two pins is not just when just skew great, only need rotate arbitrary pin a little, just can make second lockpin hole 7 on first lockpin hole 5 on a pin and another pin just right, the lockpin hole just can accomplish the interlocking just to inserting the lockpin after, just so avoided finding repeatedly the just right problem of lockpin hole.
One end of one seam 2 is intersected with the first lock pin hole 5, the other end of the seam extends to the second body 12, and the other end of the seam 2 is not intersected with the effective working section of the pin body 1; one end of the other slot 2 intersects the second locking pin bore 7 and the other end extends onto the second body 12, and the other end of the slot 2 does not intersect the active working section of the pin body 1. Usually, the other end of the slot 2 is 2-3 mm from the effective working section of the pin body 1.
As a certain preferred embodiment of the present invention, the tail 3 of the pin body 1 has been provided with a circular arc chamfer, the position of the head 4 of the pin body 1 on the pin body 1 is provided with a protrusion 6, the protrusion 6 plays a role in limiting the pin stroke, and preferably, the protrusion 6 is annular protrusion.
The utility model adopts molybdenum wire processing when processing the seam 2, and after one end of the molybdenum wire passes through the first lock pin hole 5, the molybdenum wire is pulled downwards to process a seam; similarly, when another seam is processed, one end of the molybdenum wire passes through the second lock pin hole 7, and then the molybdenum wire is pulled downwards to process another seam.
The working condition that the pin passes in and out at the standard knot is simulated through ANSYS stress analysis below, as shown in fig. 5 and 6, the working principle of the utility model discloses the pin when the work atress can be clearly seen.
Specifically, as shown in fig. 5, the force diagram of the micro-change pin of the present invention when the pin is installed and driven in, it can be clearly seen that the pin is stressed, and the part near the slotted lock pin hole is obviously deformed, which indicates that: connect between two standard festival, when beating into the pinhole of seting up on the fish plate and the pinhole of seting up on the backplate with the pin, the position that the pin is close to the afterbody can produce little change, carries out retraction and self-adaptation, makes things convenient for beating into and withdraw from of pin, and dress, the dismantlement work when laborsaving, save time and being convenient for found the tower and fall the tower.
In a similar way, as shown in fig. 6, the force diagram of the micro-change pin of the present invention when the pin is detached and knocked out is clearly shown, and the pin is obviously deformed near the lock pin hole with the seam when stressed.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a tower machine standard festival installation is with declining cooperation pin which characterized in that: the pin comprises a pin body (1), wherein the radial section of the pin body (1) is a circular surface, a seam (2) is formed in the pin body (1), the seam (2) is overlapped with the axis of the pin body (1), the seam (2) is located at the position close to the tail part (3) of the pin body (1), and the seam (2) penetrates from one side of the pin body (1) to the other side.
2. The micro-variable matching pin for installing the standard knot of the tower crane according to claim 1, is characterized in that: two seams (2) are formed in the pin body (1), and the two seams (2) are perpendicular to each other.
3. The micro-variable matching pin for installing the standard knot of the tower crane according to claim 2, is characterized in that: the pin body (1) comprises a first body (11) and a second body (12), one end of the first body (11) is a tail part (3), the other end of the first body (11) is connected with one end of the second body (12), and the other end of the second body (12) is a head part (4); the first body (11) is of a conical structure, and the diameter of the first body (11) is gradually increased from the tail part (3) to the other end of the first body (11); the second body (12) is a cylinder.
4. The micro-variable matching pin for installing the standard knot of the tower crane according to claim 3, characterized in that: the ratio of the length of the first body (11) to the length of the pin body (1) is 1:3 to 1: 5.
5. The micro-variable matching pin for installing the standard knot of the tower crane according to claim 4, wherein the micro-variable matching pin comprises a pin body and a pin head, wherein the pin head comprises a pin head and a pin head, the pin head comprises a pin head, the pin head is provided with: the first body (11) is provided with a first lock pin hole (5) and a second lock pin hole (7) in a penetrating mode, the axes of the first lock pin hole (5) and the second lock pin hole (7) are perpendicular to each other, and the axes of the first lock pin hole (5) and the second lock pin hole (7) are perpendicular to the axis of the pin body (1).
6. The micro-variable matching pin for installing the standard knot of the tower crane according to claim 5, wherein the micro-variable matching pin comprises a pin body and a pin head, wherein the pin head comprises a pin head and a pin head, the pin head comprises a pin head, the pin head is provided with: one end of one seam (2) is intersected with the first lock pin hole (5), the other end of the seam extends to the second body (12), and the other end of the seam (2) is not intersected with the effective working section of the pin body (1);
one end of the other seam (2) is intersected with the second lock pin hole (7), the other end of the other seam extends to the second body (12), and the other end of the other seam (2) is not intersected with the effective working section of the pin body (1).
7. The micro-variable matching pin for installing the standard knot of the tower crane according to claim 6, wherein the micro-variable matching pin comprises a pin body and a pin head, wherein the pin head comprises a pin head and a pin head, the pin head comprises a pin head, the pin head is provided with: the ratio of the width of each of the slits (2) to the diameter of the second body (12) is from 43:1 to 58: 1.
8. The micro-variable matching pin for installing the standard knot of the tower crane according to claim 1, is characterized in that: the length of the seam (2) is smaller than that of the effective working section of the pin body (1).
9. The micro-variable matching pin for installing the standard knot of the tower crane according to claim 1, is characterized in that: the tail part (3) of the pin body (1) is provided with an arc chamfer.
10. The micro-variable matching pin for installing the standard knot of the tower crane according to claim 1, is characterized in that: the pin is characterized in that a protrusion (6) is arranged on the pin body (1), and the protrusion (6) is close to the head (4) of the pin body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991397.3U CN210260910U (en) | 2019-06-27 | 2019-06-27 | Micro-variable matching pin for installing standard knot of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991397.3U CN210260910U (en) | 2019-06-27 | 2019-06-27 | Micro-variable matching pin for installing standard knot of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210260910U true CN210260910U (en) | 2020-04-07 |
Family
ID=70045646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920991397.3U Expired - Fee Related CN210260910U (en) | 2019-06-27 | 2019-06-27 | Micro-variable matching pin for installing standard knot of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210260910U (en) |
-
2019
- 2019-06-27 CN CN201920991397.3U patent/CN210260910U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 |
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| CF01 | Termination of patent right due to non-payment of annual fee |