CN215241726U

CN215241726U - Prestressed wire stretch-draw machine convenient to centre gripping

Info

Publication number: CN215241726U
Application number: CN202120226451.2U
Authority: CN
Inventors: 王明冰
Original assignee: Kaifeng Zhongyu Prestressed Equipment Co ltd
Current assignee: Kaifeng Zhongyu Prestressed Equipment Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-12-21
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a prestressed wire stretch-draw machine convenient to centre gripping, comprising a base plate, the equal rigid coupling in bottom plate bottom surface both ends has the U-shaped pipe, all is equipped with the axis of rotation in the every U-shaped pipe, and every axis of rotation both ends all are equipped with the gyro wheel, bottom plate top surface middle part one side is equipped with the limiting plate, a limiting plate side both ends all are equipped with the lead screw, and the every lead screw other end all is equipped with the fixed block, and threaded connection has the fly leaf on two lead screws, swing leaf side middle part threaded connection has the centre gripping subassembly, the equal rigid coupling in fly leaf side both ends has the spring dynamometer, limiting plate another side both ends all are equipped with the rotation motor, bottom plate one end top surface is equipped with the block terminal, the block terminal top surface is equipped with the control panel, bottom plate side both ends all are equipped with the knee, and two knee tops are equipped with the push rod. The utility model discloses simple structure, the installation is dismantled and the inspection is maintained conveniently, can carry out stretch-draw to the steel wire of different quantity, has improved production efficiency.

Description

Prestressed wire stretch-draw machine convenient to centre gripping

Technical Field

The utility model relates to an electromechanical device technical field especially relates to a prestressed wire stretch-draw machine convenient to centre gripping.

Background

At present in a lot of large-scale prefab, use the steel wire in a large number, metal material such as steel strand wires is as the strengthening rib, improve the intensity and the span of prefab, and these materials are before prefabricating or after prefabricating, all need carry out the stretch-draw, just can exert its good characteristic, quantity along with steel wire stretch-draw improves by a wide margin, the complicated inconvenient maintenance inspection of current steel wire stretcher structure, and inconvenient conversion between single steel wire and many steel wires, still need change equipment when stretch-draw single or many steel wires, the production demand can not be satisfied, the improvement of production efficiency has been restricted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a prestressed steel wire tensioning machine convenient for clamping.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a prestressed wire stretcher convenient for clamping comprises a bottom plate, wherein the bottom plate is rectangular, U-shaped pipes are fixedly connected to two ends of the bottom surface of the bottom plate, a rotating shaft is arranged in each U-shaped pipe, rollers are arranged at two ends of each rotating shaft, a limiting plate is arranged on one side of the middle part of the top surface of the bottom plate, lead screws are arranged at two ends of one side surface of the limiting plate, a fixed block is arranged at the other end of each lead screw, the bottom surface of each fixed block is fixedly connected with the top surface of the corresponding side of the bottom plate, a movable plate is spirally connected onto the two lead screws, a clamping assembly is spirally connected to the middle part of one side surface of the movable plate, spring forcemeters are fixedly connected to two ends of one side surface of the movable plate, the other end of each spring forcemeter is fixedly connected with the corresponding side surface of the fixed block, rotating motors are arranged at two ends of the other side surface of the limiting plate, a motor shaft of each rotating motor penetrates through the side surface of one end of the limiting plate to be fixedly connected with one end of the corresponding lead screw, bottom plate one end top surface is equipped with the block terminal, the block terminal top surface is equipped with the control panel, bottom plate a side both ends all are equipped with columniform knee, and two knee tops are equipped with columniform push rods, push rod both ends bottom surface all with correspond knee top surface rigid coupling.

Preferably, all be equipped with first round hole in the middle part of limiting plate side both ends, every fixed block side middle part all is equipped with the second round hole, and every lead screw one end is located the first round hole of the corresponding one end of limiting plate side, and every lead screw other end is located the second round hole of corresponding fixed block side.

Preferably, the inside screw nuts that all are equipped with in fly leaf both ends, every lead screw all with the corresponding screw nut screwed connection of one end of fly leaf, fly leaf side middle part is equipped with the first screw hole that runs through, screw connection centre gripping subassembly in the first screw hole.

Preferably, the centre gripping subassembly includes the pipe, the pipe surface is equipped with the screw thread, pipe surface and the inside first screw hole screwed connection of fly leaf, equal rigid coupling all around of pipe one end surface has the round bar, pipe one end inner wall rigid coupling has the bearing, bearing inner ring rigid coupling has the cylinder, a cylinder side interval distribution has the second screw hole, and the downthehole equal screwed connection of every screw has the bell pipe, the inner screwed connection of bell pipe has the clamp pipe.

Preferably, the little lower extreme in toper pipe upper end is big, toper pipe lower extreme rigid coupling has first spacing ring, toper pipe surface is equipped with the screw thread, toper pipe upper end surface all is equipped with the opening all around, toper pipe lower extreme and the second screw hole screwed connection on the cylinder, toper pipe upper end is located the second screw hole, and first spacing ring top surface corresponds the side contact with the cylinder.

Preferably, be conical third screw hole in the clamp tube, the big lower extreme in third screw hole upper end is little, the rigid coupling of clamp tube lower extreme has the second spacing ring, clamp tube and conical tube upper end surface screw connection, the clamp tube upper end is located the cylinder and corresponds the second threaded hole, and second spacing ring top surface and cylinder correspond a side contact.

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

1. in the practical information, the steel wires can be fastened by arranging the conical pipes, the cylinders and the clamping pipes to be matched, the steel wires are conveniently tensioned, the structure is simple, the disassembly is convenient, the steel wires in different numbers can be clamped by arranging the threaded holes, the conical pipes and the clamping pipes in different numbers in the cylinders, and the production efficiency is improved;

2. in the utility model, the steel wire can be tensioned through the matching of the arranged lead screw, the rotating motor, the movable plate and the clamping component, and the tensioning degree of the steel wire can be controlled through the arranged spring dynamometer, so that the utility model has the advantages of simple structure, convenient installation, disassembly, inspection and maintenance, high controllability and convenient use;

to sum up, the utility model discloses simple structure, the installation is dismantled and the inspection is maintained conveniently, can carry out stretch-draw to the steel wire of different quantity, has improved production efficiency.

Drawings

Fig. 1 is a front view of a prestressed wire tensioning machine convenient for clamping provided by the utility model;

fig. 2 is a left side view of the prestressed wire stretcher convenient for clamping provided by the utility model;

fig. 3 is a top view of the prestressed wire stretcher convenient for clamping provided by the utility model;

fig. 4 is a front view of a clamping assembly of a prestressed wire stretcher convenient for clamping provided by the utility model;

fig. 5 is a sectional view of a clamping assembly of a prestressed wire stretcher convenient for clamping according to the present invention;

fig. 6 is a structural view of a tapered tube of a prestressed wire stretcher convenient for clamping according to the present invention;

number in the figure: the device comprises a bottom plate 1, a U-shaped pipe 11, a roller 12, a rotating shaft 13, a bent rod 14, a push rod 15, a limiting plate 2, a lead screw 21, a rotating motor 22, a fixed block 23, a movable plate 24, a spring dynamometer 25, a clamping component 3, a circular pipe 31, a circular rod 32, a bearing 33, a cylindrical 34 conical pipe 35, a clamping pipe 36, a control plate 4 and a distribution box 5.

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.

Referring to fig. 1-6, a prestressed wire stretcher convenient for clamping comprises a bottom plate 1, wherein the bottom plate 1 is rectangular, U-shaped tubes 11 are fixedly connected to two ends of the bottom surface of the bottom plate 1, rotating shafts 13 are arranged in each U-shaped tube 11, rollers 12 are arranged at two ends of each rotating shaft 13, a limiting plate 2 is arranged on one side of the middle portion of the top surface of the bottom plate 1, lead screws 21 are arranged at two ends of one side of each limiting plate 2, a fixed block 23 is arranged at the other end of each lead screw 21, the bottom surface of each fixed block 23 is fixedly connected with the top surface of the corresponding side of the bottom plate 1, a movable plate 24 is spirally connected to two lead screws 21, a clamping assembly 3 is spirally connected to the middle portion of one side of the movable plate 24, spring forcemeters 25 are fixedly connected to two ends of one side of the movable plate 24, the other end of each spring forcemeter 25 is fixedly connected with the corresponding side of the fixed block 23, and rotating motors 22 are arranged at two ends of the other side of the limiting plate 2, every motor shaft that rotates motor 22 all passes 2 one end sides of limiting plate and the 21 one end rigid couplings of lead screw that correspond, 1 one end top surface of bottom plate is equipped with block terminal 5, 5 top surfaces of block terminal are equipped with control panel 4, 1 side both ends of bottom plate all are equipped with columniform bent rod 14, and two bent rod 14 tops are equipped with columniform push rod 15, push rod 15 both ends bottom surface all with correspond 14 top surface rigid couplings of bent rod.

The utility model discloses in, be equipped with switch and cable in the block terminal 5, be equipped with the control switch who rotates motor 22 on the control panel 4, switch passes through the wire and is connected with control panel 4, control panel 4 passes through the wire and is connected with rotation motor 22.

The utility model discloses in, 2 side both ends middle parts of limiting plate all are equipped with first round hole, and 23 side middle parts of every fixed block all are equipped with the second round hole, and every lead screw 21 one end is located the first round hole that 2 sides of limiting plate correspond one end, and every lead screw 21 other end is located the second round hole that corresponds 23 sides of fixed block.

The utility model discloses in, the inside screw nut that all is equipped with in fly leaf 24 both ends, every lead screw 21 all corresponds the screw nut screwed connection of one end with fly leaf 24, a fly leaf side middle part is equipped with the first screw hole that runs through, the spiral connection centre gripping subassembly 3 in the first screw hole.

The utility model discloses in, centre gripping subassembly 3 includes

pipe

31, 31 surfaces of pipe are equipped with the screw thread, 31 surfaces of pipe and the inside first screw hole screwed connection of

fly leaf

24, 31 one end surfaces of pipe all around equal rigid coupling have

round bar

32, 31 one end inner wall rigid coupling of pipe have bearing 33, bearing 33 inner ring rigid coupling has cylinder 34, 34 a side interval distribution of cylinder has the second screw hole, and the equal screwed connection in every screw hole has conical tube 35, the inner screwed connection of conical tube 35 has clamping tube 36.

The utility model discloses in, the little lower extreme in toper pipe 35 upper end is big, toper pipe 35 lower extreme rigid coupling has first spacing ring, toper pipe 35 surface is equipped with the screw thread, toper pipe 35 upper end surface all is equipped with the opening all around, second screw hole screwed connection on toper pipe 35 lower extreme and the cylinder 34, toper pipe 35 upper end are located the second threaded hole, and first spacing ring top surface corresponds the side contact with cylinder 34.

The utility model discloses in, be conical third screw hole in the clamp pipe 36, the big lower extreme in third screw hole upper end is little, 36 lower extreme rigid couplings of clamp pipe have the second spacing ring, 36 and 35 upper end surface screw connections of clamp pipe, 36 upper ends of clamp pipe are located the cylinder 34 and correspond the second threaded hole, and second spacing ring top surface and the cylinder 34 correspond a side contact.

When the utility model is used, one end of the steel wire is fixed firstly, then the round rod 32 is rotated reversely, the round rod 32 drives the round tube 31 to rotate, the round tube 31 drives the bearing 33 to rotate, thereby the round tube 31 is separated from the movable plate 24 to rotate the clamping tube 36 in a spiral way, the clamping tube 36 is separated from the conical tube 35, then the other end of the steel wire penetrates into the lower end of the conical tube 35 and penetrates out from the upper end of the conical tube 35, the steel wire is positioned in the conical tube 35 to expand the upper end of the conical tube 35, then the clamping tube 36 is connected with the conical tube 35 in a spiral way until the second limit ring is contacted with the side surface of the cylinder 34, at the moment, the upper end of the conical tube 35 is compressed to fix the steel wire, then the round tube 31 is inserted into the first threaded hole on the movable plate 24 in a spiral way, the round rod 32 is rotated forwardly, the round rod 32 drives the round tube 31 to rotate, the bearing 33 is driven by the cylinder 31 to rotate, the cylinder 34 does not rotate until the surface of the round rod 32 is contacted with the movable plate 24, then, a cable in the distribution box 5 is connected with an external power supply, then a power switch is turned on, the control switch on the control panel 4 controls the rotating motor 22 to rotate forwards, the rotating motor 22 drives the lead screw 21 to rotate, the lead screw 21 drives the movable plate 24 to move towards the limiting plate 2, the movable plate 24 drives the clamping component 3 to move, so that the steel wire is tensioned until the reading on the spring dynamometer 25 meets the requirement, then the rotating motor 22 is controlled to rotate backwards, the rotating motor 22 drives the lead screw 21 to rotate, the lead screw 21 drives the movable plate 24 to move towards the fixed block 23 until the reading of the spring dynamometer 25 is zero, and the rotating motor 22 is controlled to stop rotating.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a prestressing force wire stretcher convenient to centre gripping, includes bottom plate (1), its characterized in that: the bottom plate (1) is rectangular, U-shaped pipes (11) are fixedly connected to two ends of the bottom surface of the bottom plate (1), a rotating shaft (13) is arranged in each U-shaped pipe (11), rollers (12) are arranged at two ends of each rotating shaft (13), a limiting plate (2) is arranged on one side of the middle of the top surface of the bottom plate (1), lead screws (21) are arranged at two ends of one side of each limiting plate (2), a fixed block (23) is arranged at the other end of each lead screw (21), the bottom surface of each fixed block (23) is fixedly connected with the top surface of one corresponding side of the bottom plate (1), a movable plate (24) is spirally connected to two lead screws (21), a clamping component (3) is spirally connected to the middle of one side of the movable plate (24), a spring dynamometer (25) is fixedly connected to two ends of one side of the movable plate (24), and the other end of each spring dynamometer (25) is fixedly connected with the side of the corresponding fixed block (23), limiting plate (2) another side both ends all are equipped with rotation motor (22), and every motor shaft that rotates motor (22) all passes limiting plate (2) one end side and lead screw (21) one end rigid coupling that corresponds, bottom plate (1) one end top surface is equipped with block terminal (5), block terminal (5) top surface is equipped with control panel (4), bottom plate (1) a side both ends all are equipped with columniform knee (14), and two knee (14) tops are equipped with columniform push rod (15), push rod (15) both ends bottom surface all with correspond knee (14) top surface rigid coupling.

2. The prestressed wire tensioning machine facilitating clamping as set forth in claim 1, wherein: the middle parts of two ends of one side face of the limiting plate (2) are provided with first round holes, the middle part of one side face of each fixing block (23) is provided with a second round hole, one end of each lead screw (21) is located in the first round hole of one corresponding end of one side face of the limiting plate (2), and the other end of each lead screw (21) is located in the second round hole of one corresponding side face of the fixing block (23).

3. The prestressed wire tensioning machine facilitating clamping as set forth in claim 1, wherein: the novel clamping device is characterized in that screw nuts are arranged inside two ends of the movable plate (24), each screw rod (21) is in threaded connection with the screw nut at one end corresponding to the movable plate (24), a first threaded hole penetrating through is formed in the middle of one side face of the movable plate, and the clamping assembly (3) is in threaded connection with the first threaded hole.

4. The prestressed wire tensioning machine facilitating clamping as set forth in claim 1, wherein: centre gripping subassembly (3) are including pipe (31), pipe (31) surface is equipped with the screw thread, pipe (31) surface and the inside first screw hole screwed connection of fly leaf (24), equal rigid coupling has round bar (32) all around pipe (31) one end surface, pipe (31) one end inner wall rigid coupling has bearing (33), bearing (33) inner ring rigid coupling has cylinder (34), cylinder (34) a side interval distribution has the second screw hole, and equal screwed connection has conical tube (35) in every screw hole, conical tube (35) inner screwed connection has clamp pipe (36).

5. The prestressed wire tensioning machine facilitating clamping as set forth in claim 4, wherein: the little lower extreme in toper pipe (35) upper end is big, toper pipe (35) lower extreme rigid coupling has first spacing ring, toper pipe (35) surface is equipped with the screw thread, toper pipe (35) upper end surface all is equipped with the opening all around, second screw hole screwed connection on toper pipe (35) lower extreme and cylinder (34), toper pipe (35) upper end are located the second threaded hole, and first spacing ring top surface corresponds the side contact with cylinder (34).

6. The prestressed wire tensioning machine facilitating clamping as set forth in claim 4, wherein: be conical third screw hole in the clamp pipe (36), the big lower extreme in third screw hole upper end is little, clamp pipe (36) lower extreme rigid coupling has the second spacing ring, clamp pipe (36) and conical tube (35) upper end surface screw connection, clamp pipe (36) upper end is located cylinder (34) and corresponds the second threaded hole, and second spacing ring top surface corresponds a side contact with cylinder (34).