阅读说明：本技术 一种牵引工装 (Traction tool ) 是由 陈伟豪 朱华升 窦宇 张波 张建华 于 2021-09-28 设计创作，主要内容包括：本发明涉及缠绕机技术领域,公开了一种牵引工装,包括：支撑件、两组推进机构、两个第一紧定套、两个涨紧套和两个第二紧定套,两组推进机构分别连接于支撑件上,两个第一紧定套分别套接于支撑件的外周,每组推进机构靠近支撑件末端的一侧分别设有一个第一紧定套,两个涨紧套分别滑动套接于支撑件的外周,每个第一紧定套靠近支撑件末端的一侧分别设有一个涨紧套,涨紧套靠近支撑件末端的一侧环绕其周向具有第一连通槽,两个第二紧定套分别套接固定于支撑件的外周,每个涨紧套靠近支撑件末端的一侧分别设有一个第二紧定套,第二紧定套的一端嵌入涨紧套内,第二紧定套的外径向靠近支撑件末端的一侧逐渐增大,本发明可实现牵引管与复合管内管快速连接。(The invention relates to the technical field of winding machines, and discloses a traction tool, which comprises: a supporting piece and two groups of propelling mechanisms, the quick connection device comprises two first fastening sleeves, two tensioning sleeves and two second fastening sleeves, wherein two groups of propelling mechanisms are respectively connected to a support piece, the two first fastening sleeves are respectively sleeved on the periphery of the support piece, one side of each group of propelling mechanisms, which is close to the tail end of the support piece, is respectively provided with one first fastening sleeve, the two tensioning sleeves are respectively sleeved on the periphery of the support piece in a sliding manner, one side of each first fastening sleeve, which is close to the tail end of the support piece, is respectively provided with one tensioning sleeve, one side of each tensioning sleeve, which is close to the tail end of the support piece, is provided with a first connecting groove around the circumferential direction of the tensioning sleeve, the two second fastening sleeves are respectively sleeved and fixed on the periphery of the support piece, one side of each tensioning sleeve, which is close to the tail end of the support piece, is respectively provided with one second fastening sleeve, one end of each second fastening sleeve is embedded into each tensioning sleeve, and the outer diameter of each second fastening sleeve is gradually increased towards one side, so that the traction pipe and the composite pipe can be quickly connected.)

1. The utility model provides a pull frock, its characterized in that includes:

a support member;

the two groups of propelling mechanisms are respectively connected to the supporting piece, and the moving directions of the two groups of propelling mechanisms are opposite;

the two first adapter sleeves (4) are respectively sleeved on the periphery of the supporting piece, and one side, close to the tail end of the supporting piece, of each group of the propelling mechanism is respectively provided with one first adapter sleeve (4) so as to enable the two first adapter sleeves (4) to oppositely move along the longitudinal direction of the supporting piece;

the two tensioning sleeves (3) are respectively sleeved on the periphery of the supporting piece in a sliding manner, one side, close to the tail end of the supporting piece, of each first fastening sleeve (4) is provided with one tensioning sleeve (3), and one side, close to the tail end of the supporting piece, of each tensioning sleeve (3) is provided with a first connecting groove (14) in a circumferential direction;

the two second adapter sleeves (2) are respectively fixedly sleeved on the periphery of the support piece, one side, close to the tail end of the support piece, of each expansion sleeve (3) is provided with one second adapter sleeve (2), one end of each second adapter sleeve (2) is embedded into each expansion sleeve (3), and the outer diameter of each second adapter sleeve (2) is gradually increased towards one side, close to the tail end of the support piece.

2. The pulling tool of claim 1, wherein each set of propulsion mechanisms comprises:

the two sections of external threads are respectively arranged at the positions, close to the tail end, of the support piece along the longitudinal direction of the support piece, and the screwing directions of the two sections of external threads are opposite;

two nuts (6) which are in one-to-one correspondence with the external threads, wherein the first adapter sleeve (4) is positioned on one side of each nut (6) close to the tail end of the supporting piece.

3. The traction tool according to claim 2, wherein a gasket (5) is arranged between the nut (6) and the first adapter sleeve (4), and the gasket (5) is sleeved on the periphery of the support.

4. The traction tool according to claim 1, wherein the tensioning sleeve (3) has a serrated clamping groove (10) on the periphery.

5. The traction tool according to claim 1, wherein a side of the tensioning sleeve (3) away from the end of the support member is provided with a second communicating groove (15) around the circumference thereof, the second communicating groove (15) is staggered with the first communicating groove (14), one end of the first tensioning sleeve (4) extends into the side of the tensioning sleeve (3) away from the end of the support member, and the outer diameter of the first tensioning sleeve (4) is gradually reduced on the side close to the tensioning sleeve (3).

6. The traction tool according to claim 1, wherein the support member comprises a pull rod (9) and two support pipes (11), two ends of the pull rod (9) are respectively fixed with the support pipes (11) through fixed connecting members (12), one end of the pull rod (9) is fixed with one end of each fixed connecting member (12) through threads, one end of each support pipe (11) is fixed with the other end of each fixed connecting member (12) through a pin shaft (7), and the propulsion mechanism, the first tightening sleeve (4), the tensioning sleeve (3) and the second tightening sleeve (2) are all arranged on the support pipes (11).

7. The traction tool according to claim 6, wherein a plurality of hooks (8) are distributed on the periphery of the pull rod (9).

8. The traction tool according to claim 6, wherein a fixing sleeve (16) is fixed to one side of the second adapter sleeve (2) away from the tensioning sleeve (3), and the fixing sleeve (16) is fixed to the support tube (11).

Technical Field

The invention relates to the technical field of winding machines, in particular to a traction tool.

Background

The flexible composite pipe winding machine is an apparatus for winding other materials around the periphery of a composite pipe.

At present, the connection of the traction on a winding machine about the inner pipe of the composite pipe needs to be connected with one end of the inner pipe of the composite pipe at one end of the traction pipe, the inner pipe of the composite pipe is penetrated into the traction pipe by 10CM, then the composite pipe is punched by a hand electric drill and is connected by a pin shaft to realize fixation, and finally the traction is carried out.

Disclosure of Invention

The invention provides a traction tool which can realize quick connection between a traction pipe and an inner pipe of a composite pipe, reduce labor intensity and improve production efficiency.

The invention provides a traction tool, which comprises:

a support member;

the two groups of propelling mechanisms are respectively connected to the supporting piece, and the moving directions of the two groups of propelling mechanisms are opposite;

the two first adapter sleeves are respectively sleeved on the periphery of the support piece, and one side of each group of the propulsion mechanisms, which is close to the tail end of the support piece, is respectively provided with one first adapter sleeve so as to enable the two first adapter sleeves to oppositely move along the longitudinal direction of the support piece;

the two tensioning sleeves are respectively sleeved on the periphery of the supporting piece in a sliding manner, and one side of each first tensioning sleeve, which is close to the tail end of the supporting piece, is respectively provided with one tensioning sleeve;

the two second adapter sleeves are respectively sleeved on the periphery of the support piece, one side, close to the tail end of the support piece, of each adapter sleeve is respectively provided with one second adapter sleeve, one end of each second adapter sleeve is embedded into the opening end of each adapter sleeve, and the outer diameter of each second adapter sleeve is gradually increased towards one side, close to the tail end of the support piece.

Optionally, each set of propulsion mechanisms comprises:

the two sections of external threads are respectively arranged at the positions of the support piece close to the tail end along the longitudinal direction of the support piece, and the screw directions of the two sections of external threads are opposite;

two nuts, the spiro union of one-to-one is on the external screw thread, and first adapter sleeve is located the terminal one side of every nut near support piece.

Optionally, a gasket is arranged between the nut and the first adapter sleeve, and the gasket is sleeved on the periphery of the support member.

Optionally, the periphery of the tensioning sleeve is provided with a serrated clamping groove.

Optionally, the supporting element comprises a pull rod and a supporting tube, the pull rod and the supporting tube are fixed through a fixed connecting piece, one end of the pull rod is fixed with one end of the fixed connecting piece through threads, and one end of the supporting tube is fixed with the other end of the fixed connecting piece through a pin shaft.

Optionally, a plurality of hooks are distributed on the periphery of the portion, located between the two groups of pushing mechanisms, of the pull rod.

Compared with the prior art, the invention has the beneficial effects that: the traction tube and the inner tube of the composite tube can be respectively sleeved on the tensioning sleeves with the corresponding sizes through the two tensioning sleeves arranged on the support piece, and then the two first tensioning sleeves are respectively pushed by the two groups of pushing mechanisms, so that the first tensioning sleeves push the two tensioning sleeves to move towards the two tail ends of the support piece, along with the movement of the tensioning sleeves, the opening ends of the tensioning sleeves are gradually opened outwards by the second tensioning sleeves until the opening ends are respectively clamped with the inner tube of the composite tube and the inner wall of the traction tube, and therefore the traction tube and the inner tube of the composite tube are quickly connected, the labor intensity is reduced, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a traction tool according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of the structure at G in FIG. 1;

fig. 3 is a schematic structural diagram of a tensioning sleeve according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second adapter sleeve according to an embodiment of the present invention.

Description of reference numerals:

1-traction tube, 2-second adapter sleeve, 3-tensioning sleeve, 4-first adapter sleeve, 5-gasket, 6-nut, 7-pin shaft, 8-hook, 9-pull rod, 10-clamping groove, 11-supporting tube, 12-fixed connecting piece, 13-composite tube inner tube, 14-first connecting groove, 15-second connecting groove and 16-fixed sleeve.

Detailed Description

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The flexible composite pipe winding machine is an apparatus for winding other materials around the periphery of a composite pipe.

At present, the connection of the traction on a winding machine about the inner pipe of the composite pipe needs to be connected with one end of the inner pipe of the composite pipe at one end of the traction pipe, the inner pipe of the composite pipe is penetrated into the traction pipe by 10CM, then the composite pipe is punched by a hand electric drill and is connected by a pin shaft to realize fixation, and finally the traction is carried out.

Based on the above problems, the present invention provides a traction tool, which can achieve quick connection between a traction tube and an inner tube of a composite tube, reduce labor intensity, and improve production efficiency, and the technical solution of the present invention will be described in detail with reference to the accompanying drawings, wherein fig. 1 is a schematic structural diagram of a traction tool provided in an embodiment of the present invention, fig. 2 is an enlarged schematic view of a partial structure at G in fig. 1, fig. 3 is a schematic structural diagram of a tensioning sleeve provided in an embodiment of the present invention, and fig. 4 is a schematic structural diagram of a second tensioning sleeve provided in an embodiment of the present invention.

As shown in fig. 1, an embodiment of the present invention provides a traction tool, including: the support piece, two groups of propulsion mechanisms, two first clamping sleeves 4, two tensioning sleeves 3 and two second clamping sleeves 2, wherein the two groups of propulsion mechanisms are respectively connected to the support piece, the moving directions of the two groups of propulsion mechanisms are opposite, the two first clamping sleeves 4 are respectively sleeved on the periphery of the support piece, one side of each group of propulsion mechanism, which is close to the tail end of the support piece, is respectively provided with one first clamping sleeve 4 so as to enable the two first clamping sleeves 4 to move oppositely along the longitudinal direction of the support piece, the two tensioning sleeves 3 are respectively sleeved on the periphery of the support piece in a sliding manner, one side of each first clamping sleeve 4, which is close to the tail end of the support piece, is respectively provided with one tensioning sleeve 3, one side of each tensioning sleeve 3, which is close to the tail end of the support piece, is provided with a first through groove 14 around the circumferential direction of the side of each tensioning sleeve 3, the two second clamping sleeves 2 are respectively sleeved and fixed on the periphery of the support piece, one side of each tensioning sleeve 3, which is close to the tail end of the support piece, is respectively provided with one second clamping sleeve 2, one end of the second clamping sleeve 2 is embedded into the tensioning sleeve 3, and the outer diameter of the second clamping sleeve 2 gradually increases toward the end of the support, in this embodiment, the tensioning sleeve 3 is made of an elastic material, such as spring steel.

The traction tube and the inner tube of the composite tube can be respectively sleeved on the tensioning sleeves with the corresponding sizes through the two tensioning sleeves arranged on the support piece, and then the two first tensioning sleeves are respectively pushed by the two groups of pushing mechanisms, so that the first tensioning sleeves push the two tensioning sleeves to move towards the two tail ends of the support piece, along with the movement of the tensioning sleeves, the opening ends of the tensioning sleeves are gradually opened outwards by the second tensioning sleeves until the opening ends are respectively clamped with the inner tube of the composite tube and the inner wall of the traction tube, and therefore the traction tube and the inner tube of the composite tube are quickly connected, the labor intensity is reduced, and the production efficiency is improved.

With particular reference to fig. 2, each set of propulsion mechanisms comprises: two sections of external screw threads and two nuts 6, two sections of external screw threads are respectively arranged at the position of the support piece close to the tail end along the longitudinal direction of the support piece, the screw directions of the two sections of external screw threads are opposite, the two nuts 6 are screwed on the external screw threads in a one-to-one correspondence manner, and the first adapter sleeve 4 is positioned at one side of each nut 6 close to the tail end of the support piece.

The nut 6 is moved by the threaded connection of the nut 6 and the external thread, so that the nut 6 pushes the first adapter sleeve 4 to move, the nut 6 and the external thread are matched to realize an automatic locking function, and the adapter sleeve 3 can be prevented from moving after the adapter sleeve 3 is clamped with the composite pipe inner pipe 1 and the traction pipe 13, so that the connection reliability is further ensured.

Optionally, a gasket 5 is arranged between the nut 6 and the first adapter sleeve 4, the gasket 5 is sleeved on the periphery of the support member, in this embodiment, the first adapter sleeve 4 is made of a soft material, the gasket 5 is arranged between the first adapter sleeve 4 and the nut 6 for protecting the first adapter sleeve 4, and abrasion of the first adapter sleeve 4 is avoided.

Optionally, the periphery of the tensioning sleeve 3 is provided with a serrated clamping groove 10, in this embodiment, the clamping groove 10 is a tapered clamping groove 10, so that the friction force between the tensioning sleeve 3 and the traction tube and the inner tube of the composite tube is further increased, and the connection reliability is further ensured.

Referring to fig. 3, one side of the tensioning sleeve 3, which is far away from the end of the support member, is provided with second communicating grooves 15 around the circumference thereof, the second communicating grooves 15 and the first communicating grooves 14 are arranged in a staggered manner, one end of the first tensioning sleeve 4 extends into one side of the tensioning sleeve 3, which is far away from the end of the support member, the outer diameter of the first tensioning sleeve 4 is gradually reduced towards one side, which is close to the tensioning sleeve 3, the first communicating grooves 14 and the second communicating grooves 15 both penetrate through the inner and outer walls of the tensioning sleeve 3, the first communicating grooves 14 simultaneously penetrate through one side, which is close to the end of the support member, of the tensioning sleeve 3, but do not penetrate through one side, which is far away from the end of the support member, of the tensioning sleeve 3, so that the first tensioning sleeve 4 firstly enters the tensioning sleeve 3 until the first tensioning sleeve 4 cannot move towards the left side of fig. 2 any more, along with the continuous movement of the propulsion mechanism, the left end of the tensioning sleeve 3 gradually expands outwards until being clamped with the inner pipe of the composite pipe and the inner wall of the traction pipe respectively, so that the connection reliability is further ensured.

Optionally, the supporting member includes a pull rod 9 and two supporting tubes 11, the two ends of the pull rod 9 are respectively fixed with the supporting tubes 11 through a fixed connecting piece 12, one end of the pull rod 9 is fixed with one end of the fixed connecting piece 12 through threads, one end of the supporting tube 11 is fixed with the other end of the fixed connecting piece 12 through a pin 7, the propelling mechanism, the first adapter sleeve 4, the tensioning sleeve 3 and the second adapter sleeve 2 are all arranged on the supporting tubes 11, so that detachable connection between the pull rod 9 and the two supporting tubes 11 is realized, and the operation is convenient.

The fixing mode of the polyester yarn on the inner tube of the composite tube of the existing flexible composite tube winding machine is troublesome, the polyester yarn is required to be manually coated on the inner tube of the composite tube, then the polyester yarn is simply fixed on the inner tube of the composite tube by using a transparent adhesive tape (the length is about 50cm so as to prevent the polyester yarn from being scattered), and finally the fixed polyester yarn is screwed on the inner tube of the composite tube by using a thin steel wire so as to prevent the polyester yarn from slipping caused by the rotation of the inner tube.

Based on this, the invention is provided with a plurality of hooks 8 on the periphery of the pull rod 9, the polyester yarn (different in the number of each layer of the polyester yarn according to the different specifications of each composite pipe) to be coated on the inner pipe 13 of the composite pipe on the winding machine is averagely divided into a plurality of groups, each group is provided with a slipknot joint, the slipknot joint is hung on the hook 8 (the first layer is hung on the first hook, the second layer is hung on the second hook, and the like), the winding machine rotates to drive the polyester yarn to be wound and coated on the inner pipe 13 of the composite pipe, and finally, the coated polyester yarn is fastened by using a thin steel wire so as to prevent the yarn from slipping and self-transmitting.

Referring to fig. 4, a fixing sleeve 16 is fixed on the side of the second adapter sleeve 2 away from the tensioning sleeve 3, the fixing sleeve 16 is fixed with the support tube 11, and in the embodiment, the fixing sleeve 16 is fixed with the support tube 11 through a spring pin.

The use method and the working principle are as follows:

one end of the device penetrates into the traction tube 1, then the nut 6 is adjusted to enable the first adapter sleeve 4 to extrude the expansion sleeve 3 and finally enable the expansion sleeve 3 to move towards the tail end of the support tube 11, the second adapter sleeve 2 is pressed inwards along with the movement of the expansion sleeve 3, so that one side, close to the tail end of the support tube 11, of the expansion sleeve 3 is expanded outwards, and the taper clamping groove 10 in the expansion sleeve 3 is embedded into the traction tube 1, so that the device has the effect of being quickly connected with the traction tube 1; similarly, the other end of the device is inserted into the inner pipe 13 of the composite pipe, the adjusting nut 6 enables the first fastening sleeve 4 to extrude the tensioning sleeve 3 and finally enable the tensioning sleeve to move towards the tail end of the supporting pipe 11, the second fastening sleeve 2 is pressed inwards along with the movement of the tensioning sleeve 3, so that one side, close to the tail end of the supporting pipe 11, of the tensioning sleeve 3 is expanded outwards, the tapered clamping groove 10 in the tensioning sleeve 3 is embedded into the inner pipe 13 of the composite pipe, and the effect of quick connection with the inner pipe 13 of the composite pipe is achieved; the disassembly process is reversed.

The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.