CN210255902U

CN210255902U - Universal wrench for bridge manufacturing

Info

Publication number: CN210255902U
Application number: CN201921180716.9U
Authority: CN
Inventors: 俞雪林; 汪学龙; 刘虎林; 王强根; 俞成成
Original assignee: Zhejiang Delin Construction Co ltd
Current assignee: Zhejiang Delin Construction Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-07
Anticipated expiration: 2029-07-25

Abstract

The utility model provides an universal wrench for bridge manufacturing, which comprises a screw rod, an adjusting disk arranged on the screw rod, and a chain detachably arranged on the adjusting disk, wherein a fixed seat is arranged at the top end of the screw rod, and a handheld part is arranged at the other end of the screw rod; an anti-rotation device is rotatably connected to the adjusting disk. The anti-rotation device can prevent the adjusting disc and the screw rod from rotating when the workpiece is twisted, so that the chain and the workpiece fall off and cannot continue to work. The adjusting disc can be rotated better to enable the chain to fix the workpiece better, and the use is more convenient.

Description

Universal wrench for bridge manufacturing

Technical Field

The utility model relates to a bridge engineering manufacturing project appurtenance's technical field, in particular to universal wrench is used in bridge manufacturing.

Background

At present, the types of screws and nuts are more, the sizes of the screws and the nuts are various, different screws and nuts can be loosened and screwed only by using special tools, the tools are not unified, certain difficulty is brought to assembly and maintenance work, and the efficiency is low. Generally, an adjustable wrench or a solid wrench tool with similar size is adopted for loosening and tightening the outer hexagonal screw rod and the nut; the loosening and the screwing of the inner hexagonal and inner pentagonal equal screw rods are both inner hexagonal or inner pentagonal wrench tools with the same specification, and the efficiency is lower. The traditional wrench can only deal with square, six-deformation and other regular-shaped pipe fittings and cannot work in narrow space. In the process of manufacturing the bridge, a screw and a nut are used as fasteners, and a wrench is used as an auxiliary tool to screw the fasteners such as the screw and the nut.

The utility model discloses a chinese utility model patent that bulletin number is CN208451471U discloses a multi-functional chain spanner, this utility model contains handle, chain positioner and slipmat, the handle divide into handle work portion and handle control portion, wherein chain positioner passes through one side of threaded connection handle work portion, the terminal department of handle work portion is equipped with the slipmat, it is protruding to be equipped with many rings on the working face of slipmat, chain positioner passes through chain reference column connection chain, bilateral symmetry is equipped with the chain reference column on the chain positioner side, the chain reference column passes through threaded connection chain positioner. When the screw is screwed, the chain positioning device is easy to rotate on the thread of the handle, so that the chain rotates, and the screw screwing effect is poor. And this patent need rotate chain positioner and change the internal diameter that chain and handle formed, but the reference column is too short, rotates inconveniently thereby leads to the regulation of chain internal diameter more difficult.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned prior art not enough, provide an universal spanner for bridge manufacturing, through connect anti-rotation device in handheld portion, it aims at solving among the prior art chain and takes place to turn on one's side when twisting the screw and lead to twisting the technical problem that the screw effect is poor and the internal diameter that chain and lead screw formed is difficult to adjust.

In order to achieve the purpose, the utility model provides an universal wrench for bridge manufacturing, which comprises a screw rod, an adjusting disc arranged on the screw rod and a chain detachably arranged on the adjusting disc; a fixed seat is arranged at the top end of the screw rod, and a handheld part is arranged at the other end of the screw rod; an anti-rotation device is rotatably connected to the adjusting disk. The anti-rotation device can be used for preventing the adjusting disc and the screw rod from rotating when the screw is screwed. The adjusting disk can be conveniently rotated when the anti-rotation device is separated from the handheld part.

Preferably, the anti-rotation device comprises a rotating rod rotatably mounted on the adjusting disk, a rotating disk rotatably mounted on the handheld portion, and clamping shoulders symmetrically arranged in the clamping grooves and arranged on the rotating disk and used for fixing the rotating rod. The dwang can rotate, can conveniently rotate the adjustment disk when rotating to be certain angle with the lead screw. The adjusting disk can be fixed when being fixed on the rotating disk, and the adjusting disk is prevented from rotating on the screw rod.

Preferably, the clamping shoulder is arranged on the opening side of the clamping groove and provided with an arc portion, the clamping shoulder is arranged on the sealing side of the clamping groove and provided with a vertical portion, and the vertical portion is connected with an inclined portion. The arc part facilitates the rotating rod to enter the clamping groove. The vertical portion can prevent the rotating lever from easily coming off the notch. The inclined part prevents the dwang from being unable to break away from the draw-in groove.

Preferably, the fixed seat is provided with a stepped groove formed by staggering a rectangular groove and a stepped groove with a smaller lower part and a larger upper part. The ladder groove is matched with the chain to be used for clamping a round pipe or a square pipe and can be used for fixing a round pipe-shaped object and a square nut. The trapezoidal groove can be used for fixing the hexagonal nut, and the fixing force is larger.

Preferably, the adjusting disc is provided with an internal thread hole meshed with the screw rod, the adjusting disc is further provided with an installation groove for placing the chain, and the adjusting disc is further provided with a fixing through hole perpendicular to the installation groove. The fixing force of the chain is adjusted by adjusting the fixing position of the chain on the fixing through hole.

Preferably, the holding portion is provided with holding grooves, and an arc portion is provided between adjacent holding grooves. The handheld groove is convenient to hold. The arc portion protects the hand from being scratched.

Compared with the prior art, the utility model provides a pair of universal wrench for bridge manufacturing's beneficial effect does: when the dwang is fixed on the rolling disc, can be used for preventing that adjusting disk and lead screw from taking place to rotate when twisting the screw. When the adjusting disc rotates to a certain angle with the screw rod, the adjusting disc can be conveniently rotated. The vertical portion can prevent the rotating lever from easily coming off the notch. The inclined part prevents the dwang from being unable to break away from the draw-in groove. The ladder groove is matched with the chain to be used for clamping a round pipe or a square pipe and can be used for fixing a round pipe-shaped object and a square nut. The trapezoidal groove can be used for fixing the hexagonal nut, and the fixing force is larger. The fixing force of the chain is adjusted by adjusting the fixing position of the chain on the fixing through hole. The handheld groove is convenient to hold by hands, and the arc-shaped part protects hands from being scratched.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of the utility model discloses a dwang and rolling disc of universal wrench for bridge manufacturing are fixed.

Fig. 2 is a schematic structural view of the present invention, in which the rotating rod and the rotating disk of the universal wrench for bridge manufacture are separated from each other.

Fig. 3 is a schematic structural diagram of an adjusting plate of an universal wrench for manufacturing bridges according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a rotating disc of an universal wrench for manufacturing bridges according to an embodiment of the present invention.

Fig. 5 is an enlarged schematic structural diagram of an universal wrench a for bridge manufacturing according to an embodiment of the present invention.

Fig. 6 is an enlarged schematic structural diagram of a B of the universal wrench for bridge manufacturing according to an embodiment of the present invention.

Fig. 7 is an enlarged schematic structural diagram of a C of the universal wrench for bridge manufacturing according to an embodiment of the present invention.

In the figure: 1. a screw rod; 11. a fixed seat; 111. a rectangular parallelepiped trough; 112. a trapezoidal groove; 113. a stepped groove; 12. a hand-held portion; 121. a hand-held tank; 122. an arc-shaped portion; 2. an adjusting disk; 21. an internally threaded bore; 22. mounting grooves; 23. a fixing through hole; 3. a chain; 4. an anti-rotation device; 41. rotating the rod; 42. rotating the disc; 43. a card slot; 44. clamping a shoulder; 441. a circular arc portion; 442. a vertical portion; 443. an inclined portion.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, are used in an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this invention is conventionally placed when in use, and are used merely for convenience of describing and simplifying the invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of this patent, it is also noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, an embodiment of the present invention provides an universal wrench for manufacturing a bridge, including a screw rod 1, an adjusting plate 2 installed on the screw rod 1, and a chain 3 detachably installed on the adjusting plate 2, wherein a fixing seat 11 is installed at a top end of the screw rod 1, and a handheld portion 12 is installed at the other end of the screw rod 1; an anti-rotation device 4 is rotatably connected to the adjusting disk 2. The anti-rotation device 4 can prevent the adjusting disc 2 and the screw rod 1 from rotating when the screw is screwed, so that the chain 3 and the screw fall off and cannot continue to work. Referring to fig. 2, the rotation prevention device 4 can better rotate the adjusting plate 2 to better fix the screw of the chain 3.

Referring to fig. 4, in an alternative embodiment, the anti-rotation device 4 includes a rotation rod 41 rotatably mounted on the adjustment disk 2, a rotation disk 42 rotatably mounted on the handheld portion 12, a locking groove 43 provided on the rotation disk 42 for fixing the rotation rod 41, and a locking shoulder 44 symmetrically disposed in the locking groove 43. When the rotating rod 41 is perpendicular to the screw rod 1, as shown in fig. 1, the rotating rod 41 is rotated to fix the screw between the chain 3 and the fixed seat 11. The rotating lever 41 is then fixed in the catch groove 43 of the rotating disk 42. The rotating disc 42 is in interference fit with the hand grip 12. When a transition fit is used between the turn disc 42 and the handle 12, an adjustment nut is added to facilitate rotation of the turn disc.

Referring to fig. 7, in an alternative embodiment, the locking shoulder 44 is provided with a circular arc portion 441 at the opening side of the locking slot 43, the locking shoulder 44 is provided with a vertical portion 442 at the sealing side of the locking slot 43, and the vertical portion 442 is connected with an inclined portion 443. The rotating lever 41 enters the notch 43 along the circular arc portion 441. The upright portion 442 prevents the rotating lever 41 caught in the catching groove 43 from slipping out. The inclined portion 443 can better remove the rotating lever 41 from the engaging groove 43 after screwing is completed. If the vertical portion 442 is too long, the rotating lever 41 cannot slide out of the notch 43, so that the adjustment dial 2 cannot be rotated. The shoulder 44 is made of elastic material.

Referring to fig. 5, in an alternative embodiment, a stepped groove 113 formed by interleaving a rectangular groove 111 and a trapezoidal groove 112 with a smaller lower part and a larger upper part is formed on the fixing base 11. The pipe of different pipe diameters can block in the ladder groove 113, and the cooperation chain 3 stationary force is better. The screw card is in ladder groove 113, and through big-end-up's ladder groove 112 down, the waist of ladder groove 112 coincides with the limit of hexagonal screw, increases area of contact, and the fixity can be better.

Referring to fig. 3, in an alternative embodiment, an internal threaded hole 21 engaged with the screw rod 1 is formed on the adjusting disk 2, an installation groove 22 for placing the chain 3 is further formed on the adjusting disk 2, and a fixing through hole 23 perpendicular to the installation groove 22 is further formed on the adjusting disk 2. The chain 3 is placed in the mounting groove 22 and the chain 3 is fixed by a pin. The number of the fixing through holes 23 is multiple, and the chain 3 can be fixed according to actual conditions. The contact angle of the chain 3 with the workpiece is different at different fixing through holes 23, and the generated pressure is also different.

Referring to fig. 6, in an alternative embodiment, a hand holding groove 121 is formed on the hand holding portion 12, and an arc portion 122 is formed between adjacent hand holding grooves 121. The hand-held groove 121 is suitable for fingers of a person, and is convenient to hold by hand to exert force. The hand-held groove 121 is sharp at the joint, and the arc-shaped part 122 is used for preventing fingers from being cut.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. The utility model provides an universal wrench for bridge manufacturing, includes lead screw (1), installs adjusting disk (2) on lead screw (1), detachably installs chain (3) on adjusting disk (2), its characterized in that: a fixed seat (11) is arranged at the top end of the screw rod (1), and a handheld part (12) is arranged at the other end of the screw rod (1); an anti-rotation device (4) is rotatably connected to the adjusting disc (2).

2. The universal wrench for bridge fabrication as claimed in claim 1, wherein: rotation-proof device (4) are including the rotatable installation dwang (41) on adjusting disk (2), rotationally install carousel (42) on handheld portion (12) be provided with on carousel (42) and be used for fixing draw-in groove (43) and the symmetry setting of dwang (41) are in card shoulder (44) in draw-in groove (43).

3. The universal wrench for bridge fabrication as claimed in claim 2, wherein: the clamp shoulder (44) is provided with an arc portion (441) on the opening side of the clamp groove (43), the clamp shoulder (44) is provided with a vertical portion (442) on the sealing side of the clamp groove (43), and the vertical portion (442) is connected with an inclined portion (443).

4. The universal wrench for bridge fabrication as claimed in claim 1, 2 or 3, wherein: the fixing seat (11) is provided with a stepped groove (113) formed by staggering a rectangular groove (111) and a trapezoidal groove (112) which is small at the bottom and big at the top.

5. The universal wrench for bridge fabrication as claimed in claim 1, 2 or 3, wherein: set up on adjusting disk (2) with internal thread hole (21) of lead screw (1) meshing still be equipped with on adjusting disk (2) and place mounting groove (22) of chain (3), still be equipped with on adjusting disk (2) with mounting groove (22) vertically fixed through hole (23).

6. The universal wrench for bridge fabrication according to claim 4, wherein: set up on adjusting disk (2) with internal thread hole (21) of lead screw (1) meshing still be equipped with on adjusting disk (2) and place mounting groove (22) of chain (3), still be equipped with on adjusting disk (2) with mounting groove (22) vertically fixed through hole (23).

7. The universal wrench for bridge fabrication as claimed in claim 1, 2 or 3, wherein: the handheld portion (12) is provided with handheld grooves (121), and arc-shaped portions (122) are arranged between the adjacent handheld grooves (121).

8. The universal wrench for bridge fabrication according to claim 4, wherein: the handheld portion (12) is provided with handheld grooves (121), and arc-shaped portions (122) are arranged between the adjacent handheld grooves (121).

9. The universal wrench for bridge fabrication according to claim 5, wherein: the handheld portion (12) is provided with handheld grooves (121), and arc-shaped portions (122) are arranged between the adjacent handheld grooves (121).

10. The universal wrench for bridge fabrication according to claim 6, wherein: the handheld portion (12) is provided with handheld grooves (121), and arc-shaped portions (122) are arranged between the adjacent handheld grooves (121).