Supporting metal net end bending device

Abstract

The utility model discloses an end bending device for a support metal net, which belongs to the technical field of support metal net manufacturing and comprises a bottom frame and an operation table. Fourth belt wheels are rotationally mounted on two sides of one end of the operation table through mounting cylinders; a limiting pressing rod is arranged in the mounting cylinder in a sliding and penetrating mode, and a pressing roller is connected between the two fourth belt wheels and arranged at the eccentric positions of the fourth belt wheels. The device further comprises a power mechanism. During use, the end of a to-be-bent metal net is placed at the front end of the operation table and located on the upper side of the pressing roller, the limiting pressing rod penetrates into the mounting cylinder, and the end of the to-be-bent metal net is located on the lower side of the limiting pressing rod; the two fourth belt wheels are driven by the power mechanism to rotate synchronously to drive the pressing roller to turn upwards and rotate, so that the end part of the metal net can be bent conveniently and efficiently; and after bending is completed, the limiting pressing rod is pulled out, and reversing or replacement of the metal net is achieved. The whole structure is simple, the end of the metal net is bent conveniently and efficiently, the labor intensity is effectively reduced, and practicability is good.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of supporting metal net manufacturing, specifically a supporting metal net end portion bending device. BACKGROUND

[0002] Anchor net support is a supporting technology widely used in coal mine tunnels and other geotechnical engineering, which is to fix or bind the metal net with the support plate on the anchor rod. The main purpose is to enhance the stability of surrounding rock through the combination of anchor rod and metal net, and to improve the safety and service life of the tunnel.

[0003] Anchor net support forms a composite body by constructing anchor rods of certain length and distribution in the rock-soil body and acting together with the rock-soil body to make up for the insufficient strength of the rock-soil body and play the role of anchor tension, thereby ensuring the stability of the slope or tunnel, and then fixing or binding the metal net with the support plate on the anchor rod. Anchor rods are usually made of high-strength materials such as threaded steel or steel wire, which are installed in the rock mass through drilling to provide the necessary support force.

[0004] Anchor net support technology is not only applied to coal mine tunnels, but also widely used in high slope, tunnel, foundation pit and other engineering. Especially in adverse geological conditions, such as soft rock tunnel or aquifer soft rock tunnel, anchor net support can effectively control the deformation of surrounding rock and improve the overall stability.

[0005] The metal net used in anchor net support is generally automatically woven by a weaving machine, and is interlaced by warp and weft. The left and right (weft) ends of the metal net woven by the weaving machine are bent and folded (as shown in Figure 5 ), and the front and back (warp) ends need to be bent and folded manually, which is low in operation efficiency and time-consuming and laborious. INVENTION CONTENTS

[0006] To solve the problem of manual bending and folding of the front and back ends of the metal net woven by the weaving machine, which is low in operation efficiency and time-consuming and laborious, the utility model provides a supporting metal net end portion bending device.

[0007] The utility model is realized through the following technical schemes:

[0008] A supporting metal net end portion bending device, comprising a chassis and an operating table mounted on the chassis; fourth pulleys are rotatably mounted on both sides of one end of the operating table in the left-right direction; a limiting pressure rod capable of limiting the lower end of the metal net is slidably arranged in the mounting cylinder; a pressing rod capable of bending the end of the metal net is connected between the two fourth pulleys, and the pressing rod is arranged at the eccentric position of the fourth pulley; and a power mechanism capable of synchronously driving the two fourth pulleys is further included.

[0009] Further improvement of the utility model is that the number of limiting pressure rods is two, which are respectively slidably arranged in the mounting cylinder.

[0010] The utility model discloses further improve still, the operating platform is connected with a plurality of limiting ring that can be equipped with the limiting of spacing pressure rod.

[0011] The utility model discloses further improve still, the bottom frame is installed with two first telescopic cylinders, and the telescopic end of first telescopic cylinder is connected with spacing pressure rod through connecting rod.

[0012] The utility model discloses further improve still, the opposite inner side of two fourth pulleys is connected with the mounting plate respectively, and the both ends of pressing stick are rotatably connected with two mounting plates.

[0013] The utility model discloses further improve still, still fixedly connected with fixed link between two mounting plates.

[0014] The utility model discloses further improve still, and the outer ring of pressing stick is provided with thread groove.

[0015] The utility model discloses further improve still, and the bottom frame is connected with a plurality of vertical second telescopic cylinders through mounting frame, and the telescopic end of second telescopic cylinder is connected with pressing frame, and pressing frame is corresponded with the pressing stick of unbent state.

[0016] The utility model discloses further improve still, and the operating platform still is equipped with a plurality of positioning seat, and the positioning groove that can be equipped with the limiting of metal net card is seted up in positioning seat.

[0017] The utility model discloses further improve still, and power mechanism includes the motor of positioning installation in the bottom frame and the transition rotating shaft of rotation installation in the bottom frame through bearing seat, and the motor shaft is installed with first pulley, and the transition rotating shaft is installed with second pulley and two third pulleys, and second pulley and first pulley are connected through transmission belt transmission, and two third pulleys and two fourth pulleys are connected through transmission belt transmission respectively.

[0018] From the above technical scheme can see, the beneficial effects of the utility model are:

[0019] When using, the end of the metal net to be bent is placed at the front end of the operating table, the end of the metal net to be bent is at the upper side of the pressing stick, the limiting pressure rod is inserted into the installation cylinder, so that the end of the metal net to be bent is at the lower side of the limiting pressure rod; the two fourth pulleys are driven to rotate synchronously by the power mechanism, the pressing stick is driven to turn over, so that the end of the metal net can be conveniently and efficiently bent; after bending, the limiting pressure rod is pulled out, the metal net is reversed or replaced. The overall structure is simple, the end of the metal net is conveniently and efficiently bent, the labor intensity is effectively reduced, and the utility is good. DRAWINGS

[0020] In order to make the technical scheme of the utility model more clear, the following will briefly introduce the drawings needed to be used in the description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0021] Figure 1 It is the first perspective structural schematic view of the embodiment of the utility model.

[0022] Figure 2 It is the second perspective structural schematic view of the embodiment of the utility model.

[0023] Figure 3 It is the third perspective structural schematic view of the embodiment of the utility model.

[0024] Figure 4 It is the first perspective structural schematic view of the embodiment of the utility model. Figure 3 It is the first perspective structural schematic view of the embodiment of the utility model.

[0025] Figure 5 It is the first perspective structural schematic view of the embodiment of the utility model.

[0026] In the drawings: 1, base frame, 11, mounting frame, 2, operation table, 21, positioning seat, 22, limiting ring, 23, mounting cylinder, 3, motor, 31, first pulley, 4, transition shaft, 41, bearing seat, 42, second pulley, 43, third pulley, 5, fourth pulley, 51, mounting plate, 52, pressing stick, 53, fixed rod, 6, limiting pressing rod, 61, first telescopic cylinder, 62, connecting rod, 7, second telescopic cylinder, 8, pressing frame. Specific embodiments

[0027] In order to make the technical scheme of the utility model more clear, the following will briefly introduce the drawings needed to be used in the description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0028] As Figures 1-4The utility model discloses a kind of supporting metal net end bending device, including chassis 1 and the horizontal operation table 2 of being installed on chassis 1;Symmetrical installation cylinder 23 is respectively welded and positioned and installed in operation table 2 front end left and right sides, fourth pulley 5 is respectively rotatably connected and installed on two installation cylinders 23 by bearing;Limiting pressure rod 6 that can press down and limit metal net end is slidably penetrated in installation cylinder 23, limiting pressure rod 6 is connected between two fourth pulleys 5, and press stick 52 can be bent to metal net end, and press stick 52 is in the eccentric position of fourth pulley 5;Further include power mechanism that can synchronously drive two fourth pulleys 5.

[0029] When using, the metal net end to be bent is placed at the front end of the operation table 2, the metal net end to be bent is above the press stick 52, the limiting pressure rod 6 is inserted into the installation cylinder 23, so that the metal net end to be bent is below the limiting pressure rod 6 (above the operation table 2); the two fourth pulleys 5 are driven to rotate synchronously by the power mechanism, which drives the press stick 52 to rotate upward (with the installation cylinder 23 as the pivot), so that the metal net end can be bent conveniently and efficiently; after bending, the limiting pressure rod 6 is extracted, and the metal net is reversed or replaced. The overall structure is simple, convenient and efficient for bending the metal net end, effectively reduces the labor intensity, and has good practicability.

[0030] In an embodiment, the limiting pressure rod 6 is a single rod, which is inserted into the two installation cylinders 23 to limit the metal net end to be bent when in use.

[0031] In another embodiment, the limiting pressure rod 6 is two rods, which are slidably penetrated into the installation cylinder 23. The two limiting pressure rods 6 are inserted from outside to inside to limit the metal net end to be bent, effectively saving the operation space.

[0032] Further, a plurality of limiting rings 22 are connected to the operation table 2 to limit the limiting pressure rod 6. The limiting ring 22 is provided with a wider middle part to reliably limit the ends of the two limiting pressure rods 6, and the limiting ring 22 is provided with a narrower left and right part to avoid interference with the metal net.

[0033] The inner edge of the limiting ring 22 is chamfered, and the end of the limiting pressure rod 6 is also chamfered to guide the insertion of the limiting pressure rod 6.

[0034] Further, two horizontal first telescopic cylinders 61 are installed on the chassis 1, the telescopic ends of the two first telescopic cylinders 61 are arranged opposite to each other (i.e. outward), and the telescopic ends of the first telescopic cylinders 61 are connected to the limiting pressure rod 6 through a connecting rod 62. The two limiting pressure rods 6 are driven to extend and retract by the two first telescopic cylinders 61, which realizes automatic control and saves labor.

[0035] The opposite inner sides of the two fourth pulleys 5 are respectively connected to the mounting plates 51, and the two ends of the pressing rod 52 are rotatably connected to the two mounting plates 51. In the process of bending the end of the metal mesh, reliable and convenient bending is achieved by rolling the pressing rod 52, avoiding large friction between the roller surface of the pressing rod 52 and the end of the metal mesh, and avoiding wear of the roller surface of the pressing rod 52 and the end of the metal mesh.

[0036] Further, the two mounting plates 51 are also fixedly connected to the fixing rod 53. The fixing rod 53 ensures the synchronization of the rotation of the two fourth pulleys 5.

[0037] The outer ring of the pressing rod 52 is provided with a threaded groove. The threaded groove is embedded with the end of the metal mesh. During the rotation of the pressing rod 52, the end of the metal mesh is effectively offset and bent to a certain extent, realizing the same warp interlacing bending and the thoroughness of the bending, and avoiding the interference of the same warp bending.

[0038] The bottom frame 1 is connected to two vertically (downward) arranged second telescopic cylinders 7 through the mounting frame 11. The telescopic end (lower end) of the second telescopic cylinder 7 is connected to the pressing frame 8. The pressing frame 8 corresponds to the pressing rod 52 in the unbent state. The end of the metal mesh to be bent is placed at the front end of the operation table 2, and the end of the metal mesh to be bent is above the pressing rod 52. By controlling the extension of the two second telescopic cylinders 7, the pressing frame 8 is driven to move downward, and the metal mesh end is pressed by the pressing frame 8 and the pressing rod 52, realizing the preliminary shaping and alignment of the metal mesh end (as shown in Figure 5 After interlacing weaving, the ends of the metal mesh warps are interlaced up and down), ensuring the reliability of the subsequent bending operation.

[0039] Further, the pressing frame 8 is an angle steel structure, which is easy to realize and has high structural strength.

[0040] The operation table 2 is also provided with a plurality of positioning seats 21, and a plurality of positioning grooves capable of clamping and limiting the metal mesh (weft) are formed in the positioning seats 21. During the bending operation, the metal mesh is clamped and positioned to avoid moving forward and backward, ensuring the accuracy and reliability of the bending operation.

[0041] The power mechanism includes a motor 3 positioned and installed on the bottom frame 1 and a transition shaft 4 rotatably installed on the bottom frame 1 through a bearing seat 41. The motor 3 shaft is provided with a first pulley 31, and the transition shaft 4 is provided with a second pulley 42 and two third pulleys 43. The second pulley 42 is connected to the first pulley 31 through a transmission belt, and the two third pulleys 43 are respectively connected to the two fourth pulleys 5 through transmission belts. The motor 3 drives the rotation of the transition shaft 4 through the first pulley 31 and the second pulley 42, and the two third pulleys 43 and the two fourth pulleys 5 are connected through transmission belts, effectively realizing the synchronous driving of the two fourth pulleys 5. The power mechanism is simple in arrangement and good in stability.

[0042] The end bending device for supporting metal net, when in use, the end of the metal net to be bent is placed in front of the operation table 2, the end of the metal net to be bent is on the upper side of the pressing rod 52, the limiting pressing rod 6 is inserted into the installation cylinder 23, so that the end of the metal net to be bent is on the lower side of the limiting pressing rod 6 (the upper side of the operation table 2); the two fourth pulleys 5 are synchronously rotated by the power mechanism, the pressing rod 52 is turned up (with the installation cylinder 23 as the pivot), so that the end of the metal net can be conveniently and efficiently bent; after the bending is completed, the limiting pressing rod 6 is pulled out, the direction of the metal net is changed or the metal net is replaced. The whole structure is simple, the end of the metal net is conveniently and efficiently bent, the labor intensity is effectively reduced, and the practicability is good.

[0043] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for bending the end of a support metal mesh, characterized in that, The utility model provides a metal mesh bending machine, including chassis (1) and the operating platform (2) installed on chassis (1), operating platform (2) one end both sides are rotatably installed with fourth pulley (5) through left and right direction's installation cylinder (23), the limiting pressure bar (6) that can press down the end of metal mesh limiting is slidably penetrated in installation cylinder (23), and the press stick (52) that can be bent to the end of metal mesh is connected between two fourth pulleys (5), and the eccentric position of press stick (52) is arranged in fourth pulley (5), still including the power mechanism that can synchronous drive two fourth pulleys (5).

2. The device according to claim 1, wherein The limiting pressure bar (6) is two, respectively slidingly penetrates and is installed in the installation cylinder (23).

3. The device according to claim 2, wherein The operating platform (2) is connected with a plurality of limiting rings (22) that can limit the limiting pressure bar (6).

4. The device according to claim 2, wherein The first telescopic cylinder (61) is connected with the limiting pressure bar (6) through the connecting rod (62) on the extension end of the first telescopic cylinder (61) installed on the chassis (1).

5. The device according to claim 1, wherein The opposite inner side of two fourth pulleys (5) is connected with the installation plate (51) respectively.

6. The device according to claim 5, wherein The fixed rod (53) is fixedly connected between two installation plates (51).

7. The device according to claim 5, wherein The outer ring of press stick (52) is provided with a threaded groove.

8. The device according to claim 1, wherein The second telescopic cylinder (7) is connected with the pressing frame (8) on the extension end, and the pressing frame (8) corresponds to the press stick (52) in the unbent state.

9. The device according to claim 1, wherein The operating platform (2) is further provided with a plurality of positioning seats (21), and a plurality of positioning grooves capable of limiting the metal mesh are formed in the positioning seats (21).

10. The device according to claim 1, wherein The power mechanism includes a motor (3) positioned on the chassis (1) and a transition shaft (4) rotatably installed on the chassis (1) through a bearing seat (41), a first pulley (31) is installed on the shaft of the motor (3), a second pulley (42) and two third pulleys (43) are installed on the transition shaft (4), the second pulley (42) and the first pulley (31) are connected through a transmission belt, and the two third pulleys (43) and the two fourth pulleys (5) are connected through transmission belts respectively.

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