CN211639621U

CN211639621U - Round steel anchor clamps

Info

Publication number: CN211639621U
Application number: CN202020048898.0U
Authority: CN
Inventors: 刘朋
Original assignee: Qingdao Zeao Industry And Trade Co ltd
Current assignee: Qingdao Zeao Industry And Trade Co ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-10-09
Anticipated expiration: 2030-01-10

Abstract

The utility model discloses a round steel anchor clamps, which comprises a fixing plate and i, the mounting groove has been seted up to the upper end of fixed plate, is connected with sector gear through the pivot on the fixed plate of mounting groove one side, installs the centre gripping wheel on the side of fixed plate, and the block is connected with the arc rack on the centre gripping wheel, and one side of fixed plate is connected with the depression bar through the pivot, and one side that the fixed plate is close to the depression bar is connected with the support, is connected with first lead screw through the bearing on the support. This round steel anchor clamps connects sector gear through the fixed plate, and arc rack control sector gear is rotatory simultaneously to it is rotatory to drive the locating plate, supports the lower surface of round steel, and the active structure of locating plate can adapt to the round steel of different diameters, and the position of round steel lower surface is confirmed to the mode of blowing the whistle through the rubber bag on the locating plate, guarantees the center pin of round steel all the time with the centre of a circle of mounting groove on same straight line, and center pin rigidity improves the machining precision, guarantees the fastness of centre gripping.

Description

Round steel anchor clamps

Technical Field

The utility model relates to an anchor clamps technical field specifically is a round steel anchor clamps.

Background

The round steel anchor clamps are one kind by widely used anchor clamps, can be used for fixing the spare part of circular structures such as round steel, pipe, bearing, but the round steel anchor clamps among the prior art do not have the centering function, the centre of a circle of the location round steel of unable method, consequently must adjust the position of round steel anchor clamps in order to align the center pin of round steel, troublesome poeration, and inaccurate, efficiency is lower.

Chinese patent CN203804822U discloses a round steel anchor clamps with automatic centering structure, including a support and two centre gripping arms, the support include two backup pads that are parallel to each other and arrange, two backup pads on be provided with two pairs of first connecting holes, the middle part of two centre gripping arms be provided with a second connecting hole, first connecting hole and the second connecting hole be connected through the pivot, the round steel anchor clamps with automatic centering structure still include an adjusting spindle, the adjusting spindle on be provided with two sections opposite direction's screw thread, the both ends of adjusting spindle respectively with the lower extreme of centre gripping arm rotate and be connected. The utility model discloses a round steel anchor clamps with automatic centering structure's advantage is: have two centre gripping arms, and two centre gripping arms simultaneous movement can align the center pin of round steel in the centre position of two centre gripping arms, convenient to use automatically.

Although this application has solved the problem in the background art to a certain extent, round steel anchor clamps can only align the center pin of round steel in the centre position of two centre gripping arms in this application, but the round steel center pin of different diameters can reciprocate on the centre position of two centre gripping arms, still can not confirm the concrete position of the center pin of round steel, can not satisfy the needs of machining precision high standard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a round steel anchor clamps has the center pin rigidity, and the problem among the prior art has been solved to the advantage that machining precision is high.

In order to achieve the above object, the utility model provides a following technical scheme: a round steel clamp comprises a fixing plate, wherein the upper end of the fixing plate is provided with a mounting groove, a sector gear is connected onto the fixing plate on one side of the mounting groove through a rotating shaft, a clamping wheel is mounted on one side of the fixing plate, an arc-shaped rack is connected onto the clamping wheel in a clamping manner, an upper pressure rod is connected onto one side of the fixing plate through a rotating shaft, a support is connected onto one side, close to the upper pressure rod, of the fixing plate, a first lead screw is connected onto the support through a bearing, a first threaded sleeve is meshed onto the first lead screw, the inner wall of the arc-shaped rack is meshed with the sector gear, a push rod is connected onto the outer wall of the arc-shaped rack, a second threaded sleeve is hinged to one end of the push rod, a second lead screw is meshed in a penetrating manner with the second threaded sleeve, a positioning plate is mounted on the surface of the sector, go up the depression bar and include base pole and extension rod, one side of base pole is connected with the straight-bar, and the one end of straight-bar is connected with the spring, and the one end and the first thread bush hinged joint of spring, the lower extreme of extension rod are connected with the threaded rod, and the threaded rod meshes with the upper end of base pole, and the upper end of extension rod is connected with the gag lever post.

Preferably, the number of the sector gears is not less than three, and the sector gears are distributed on the circumference of the same circle center with the mounting groove at equal intervals.

Preferably, both ends of the arc-shaped rack are connected with limiting blocks.

Preferably, two ends of the second screw rod are fixedly connected with the fixing plate through bearings, and one ends of the second screw rod and the first screw rod are both connected with a rotating handle.

Preferably, the included angle between the limiting rod and the extension rod forms a V-shaped groove.

Preferably, the upper end of the base rod is provided with a threaded hole, and the threaded hole is meshed with the threaded rod.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this round steel anchor clamps, connect sector gear through the fixed plate, arc rack control sector gear is rotatory simultaneously, thereby it is rotatory to drive the locating plate, support the lower surface of round steel, the active structure of locating plate can adapt to the round steel of different diameters, and the position of round steel lower surface is confirmed to the mode of blowing the whistle through the rubber bag on the locating plate, guarantee that the center pin of round steel is all the time with the centre of a circle of mounting groove on same straight line, the center pin rigidity, improve the machining precision, V-arrangement groove from the top that constitutes at gag lever post and extension rod in addition carries out the centre gripping and fixes the round steel, screw hole and threaded rod meshing, through rotatory threaded rod, can realize the drawing and the shrink of extension rod, with the round steel of adaptation different diameters, guarantee the fastness of centre gripping.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a structural view of the positioning plate of the present invention;

FIG. 3 is a structural view of the upper pressure lever of the present invention;

fig. 4 is a diagram of the clamping state of the present invention.

In the figure: 1. a fixing plate; 11. mounting grooves; 12. a clamping wheel; 13. a support; 14. a first lead screw; 15. a first threaded sleeve; 2. a sector gear; 21. positioning a plate; 22. a rubber bladder; 23. a whistle; 3. an arc-shaped rack; 31. a limiting block; 32. a push rod; 33. a second threaded sleeve; 34. a second lead screw; 4. an upper pressure lever; 41. a base rod; 411. a straight rod; 412. a spring; 42. an extension rod; 421. a threaded rod; 422. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1-2, a round steel fixture comprises a fixing plate 1, wherein an installation groove 11 is formed at the upper end of the fixing plate 1, a sector gear 2 is connected to the fixing plate 1 at one side of the installation groove 11 through a rotating shaft, a clamping wheel 12 is installed on one side of the fixing plate 1, an arc-shaped rack 3 is connected to the clamping wheel 12 in a clamping manner, an upper pressing rod 4 is connected to one side of the fixing plate 1 through a rotating shaft, a bracket 13 is connected to one side of the fixing plate 1 close to the upper pressing rod 4, a first lead screw 14 is connected to the bracket 13 through a bearing, a first thread sleeve 15 is engaged with the first lead screw 14, both ends of the arc-shaped rack 3 are connected with limit blocks 31, the limit blocks 31 prevent the arc-shaped rack 3 from being separated from the clamping wheel 12, the arc-shaped rack 3 has certain hardness and is not easy to deform, the inner wall of the arc-shaped rack 3, the second screw sleeve 33 is engaged with a second screw rod 34 in a penetrating manner, two ends of the second screw rod 34 are fixedly connected with the fixing plate 1 through bearings, the second screw rod 34 is fixed on the fixing plate 1 and can be manually rotated to realize the moving position of the second screw sleeve 33, one ends of the second screw rod 34 and the first screw rod 14 are both connected with a rotating handle which is convenient for manual control, a positioning plate 21 is arranged on the surface of the sector gear 2, the upper surface of one end of the positioning plate 21 is connected with a rubber bag 22, the rubber bag 22 has certain toughness, under the condition of no pressure, the rubber bag 22 is bulged, a whistle 23 is embedded in one end, close to the rubber bag 22, of the positioning plate 21, an air inlet of the whistle 23 is connected with an outlet of the rubber bag 22, when the rubber bag 22 is pressurized, air in the rubber bag 22 is pressed, the whistle 23 is blown, the number of the sector gears 2 is not less than three, and the sector gears 2 are distributed on the same circle center with the mounting groove, when sector gear 2 rotated simultaneously, the rotation angle and the direction of locating plate 21 were the same, and the position of sector gear 2 installation, need guarantee that rubber bag 22 is located the below of round steel, and locating plate 21 supports the round steel in the below of round steel.

Referring to fig. 3-4, the upper pressure lever 4 includes a base lever 41 and an extension lever 42, one side of the base lever 41 is connected with a straight lever 411, one end of the straight lever 411 is connected with a spring 412, one end of the spring 412 is hinged with the first thread sleeve 15, the lower end of the extension lever 42 is connected with a threaded rod 421, the threaded rod 421 is meshed with the upper end of the base lever 41, the upper end of the base lever 41 is provided with a threaded hole, the threaded hole is meshed with the threaded rod 421, by rotating the threaded rod 421, stretching and shrinking of the extension lever 42 can be realized, the upper end of the extension lever 42 is connected with a limit lever 422, an included angle between the limit lever 422 and the extension lever 42 forms a V-shaped groove, and the round.

The working process is as follows: when the whistle type manual positioning device is used, round steel is put into the mounting groove 11 from the upper end of the mounting groove 11 and is supported by the positioning plate 21 below, the second screw rod 34 is rotated manually to drive the second threaded sleeve 33 to move on the second screw rod 34, one end of the push rod 32 moves to a position to drive the arc-shaped rack 3 to slide in the clamping wheel 12, the sector gear 2 meshed with the arc-shaped rack 3 rotates to drive the positioning plate 21 to rotate, the sector gear 2 is distributed on the circumference of the same circle center as the mounting groove 11 at equal intervals, when the sector gear 2 rotates simultaneously, the rotation angle and the direction of the positioning plate 21 are the same, one end of the positioning plate 21 close to the rubber bag 22 is gradually contacted with the surface of the round steel, when the round steel is pressed on the rubber bag 22, the gas in the rubber bag 22 is pressed out to blow the whistle 23, when the three whistles 23 are all blown, the periphery of the round steel is respectively contacted with the same, the big small dimension of locating plate 21 is the same, and sector gear 2 equidistance distributes on the circumference with the same centre of a circle of mounting groove 11, the center pin of round steel this moment is located same straight line with the central point of mounting groove 11, at this moment, rotatory first lead screw 14, first thread bush 15 moves on first lead screw 14, it is rotatory through spring 412 pulling base pole 41, it is rotatory to drive extension rod 42 of upper end, V-arrangement groove that gag lever post 422 and extension rod 42 constitute carries out centre gripping and fixed to the round steel from the top, the screw hole meshes with threaded rod 421, through rotatory threaded rod 421, can realize extension rod 42's drawing and shrink, with the round steel of the different diameters of adaptation.

In summary, the following steps: this round steel anchor clamps, connect sector gear 2 through fixed plate 1, arc rack 3 control sector gear 2 is rotatory simultaneously, thereby it is rotatory to drive locating plate 21, support the lower surface of round steel, the movable structure of locating plate 21 can adapt to the round steel of different diameters, and blow the position of the mode determination round steel lower surface of whistle 23 through rubber bag 22 on locating plate 21, guarantee that the center pin of round steel is all the time with the centre of a circle of mounting groove 11 on same straight line, the center pin rigidity, improve the machining precision, in addition carry out centre gripping and fixed to the round steel from the top at the V-arrangement groove that gag lever post 422 and extension rod 42 constitute, screw hole and threaded rod 421 meshing, through rotatory threaded rod 421, can realize extension and the shrink of extension rod 42, with the round steel of adapting to different diameters, guarantee the fastness of centre gripping.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a round steel anchor clamps, includes fixed plate (1), its characterized in that: the upper end of the fixing plate (1) is provided with a mounting groove (11), the fixing plate (1) on one side of the mounting groove (11) is connected with a sector gear (2) through a rotating shaft, a clamping wheel (12) is mounted on one side of the fixing plate (1), an arc-shaped rack (3) is clamped and connected on the clamping wheel (12), one side of the fixing plate (1) is connected with an upper pressure rod (4) through the rotating shaft, one side, close to the upper pressure rod (4), of the fixing plate (1) is connected with a support (13), the support (13) is connected with a first lead screw (14) through a bearing, a first thread sleeve (15) is meshed on the first lead screw (14), the inner wall of the arc-shaped rack (3) is meshed with the sector gear (2), the outer wall of the arc-shaped rack (3) is connected with a push rod (32), one end of the push rod (32) is hinged with a second thread, the surface mounting of sector gear (2) has locating plate (21), and the last surface connection of locating plate (21) one end has rubber bag (22), and the one end that locating plate (21) is close to rubber bag (22) is embedded to have whistle (23), and the air intake and the rubber bag (22) exit linkage of whistle (23), go up depression bar (4) including base pole (41) and extension rod (42), one side of base pole (41) is connected with straight-bar (411), and the one end of straight-bar (411) is connected with spring (412), and the one end and the first thread bush (15) hinge of spring (412) are connected, and the lower extreme of extension rod (42) is connected with threaded rod (421), and threaded rod (421) mesh with the upper end of base pole (41), and the upper end of extension rod (42) is connected with gag lever (422).

2. The round steel jig of claim 1, wherein: the number of the sector gears (2) is not less than three, and the sector gears (2) are distributed on the circumference of the same circle center with the mounting groove (11) at equal intervals.

3. The round steel jig of claim 1, wherein: and two ends of the arc-shaped rack (3) are connected with limiting blocks (31).

4. The round steel jig of claim 1, wherein: two ends of the second screw rod (34) are fixedly connected with the fixing plate (1) through bearings, and one ends of the second screw rod (34) and the first screw rod (14) are both connected with rotating handles.

5. The round steel jig of claim 1, wherein: the included angle of gag lever post (422) and extension rod (42) constitutes the V-arrangement groove.

6. The round steel jig of claim 1, wherein: the upper end of the base rod (41) is provided with a threaded hole, and the threaded hole is meshed with the threaded rod (421).