KR100219372B1 - Fence assembly device - Google Patents

Abstract

The present invention relates to a fence assembly apparatus, which is installed on an upstream side of a base frame and the base frame to assemble fence units with a railing support angle therebetween and a primary assembly unit assembled from the primary assembly unit. A pair of horizontal units having a primary assembly transport unit for transporting the assembly and a secondary assembly unit for assembling the handrail to the railing support angle of the primary assembly assembled by the transport unit and assembled in the primary assembly unit; By assembling a plurality of fence units assembled with a plurality of livers between the livers with a railing support angle therebetween, and then assembling the railings at one end of the railing support angle to quickly and easily assemble the fence.

Description

Fence assembly

1 is a plan view of the fence assembly apparatus according to the present invention.

2 is a side view of the fence assembly apparatus according to the present invention.

3 is a plan view of the primary assembly unit.

4 is a cross-sectional view taken along the line A-A of FIG.

5 is a front view of the primary assembly unit

6 is a partial perspective view of the primary assembly unit.

7 shows the primary assembly process by the primary assembly unit.

(a) is a state in which the first first fence unit and the uppermost railing support angle are seated.

(b) is a state in which the handrail support angle is seated on the first fence unit, the second fence assembly, and the same time.

(c) is a state in which the first fence unit and the second fence assembly is fixed by a clamp.

(d) shows a state in which the first fence unit and the second fence assembly are assembled with the railing support interposed by operating the movable bed operation cylinder.

Figure 7 (a) (b) (c) is an exploded plan view, a partially enlarged perspective view and an assembled state plan view showing the fence unit and the handrail support angle assembled during the primary assembly process.

8 is a plan view of the transfer unit.

9 is a sectional view taken along the line B-B in FIG.

10 is an enlarged view of part C of FIG.

11 is a partial plan view of the secondary assembly unit.

12 is a partial side view of the secondary assembly unit.

13 is a front view of the secondary assembly unit.

14 is a plan view showing a state in which the primary assembly and the handrail seated on the secondary assembly unit.

FIG. 15 is an exploded plan view showing a primary assembly and a railing stage assembled during a secondary assembly process.

Partial perspective view and assembled top view.

* Explanation of symbols for main parts of the drawings

1,2: horizontal liver 3: liver

4: handrail support angle 5: handrail

U: Fence unit A: Primary assembly

F: fence

100: gas frame 200: primary assembly unit

210: fixed bed 220: movable bed

230: handrail support angle support 240: leading fence unit clamp

250: trailing fence unit clam 260: movable bed operation cylinder

300: transfer unit 310,320: sprocket

330: chain 340: transfer piece

400: secondary assembly unit 410: support rail

420: fixed support 430: hydraulic cylinder

440: push piece 450: widthwise movable table

460: longitudinal moving plate 470: atmospheric zone

The present invention relates to a device for assembling a fence, and more particularly, to a fence assembly apparatus that can continuously assemble a pre-assembled fence unit.

Conventionally, for assembly of the horizontal liver and liver liver constituting such a fence relies on welding. However, horizontal and gout are usually composed of square pipes and round pipes, which requires a great deal of care when welding, and there is a problem in that productivity is greatly reduced because welding takes a lot of time. Since the surface is uneven, there is a problem that the quality of the product is degraded.

Therefore, the present applicant drills an assembling hole on the upper surface of the bottom surface of the upper horizontal section 1 and the lower horizontal section 2, as shown in FIGS. 7 and 15, and presses the upper and lower ends of the livers 3 into the assembly holes. In order to simplify the assembly and to improve the quality of the welded parts are not exposed to the outside has been developed.

As shown in FIG. 15, a plurality of livers 3 assembled between the horizontal bars 1 and 2 are used as the fence unit U, and at least the fence unit U has a railing support angle 4 therebetween. ) Is to complete the fence by assembling each other with the intervening state and assembling the handrail 5 at the top.

The handrail support angle (4) is formed on both ends of the completed fence (F) coupling protrusions (4a) is formed only on one side and the coupling protrusions (4a, 4b) are formed on both sides located in the middle portion will be.

In addition, the handrail 5 is formed with a coupling protrusion (5a) is inserted into the end of the handrail support angle (4).

An object of the present invention is to provide a fence assembly device for completing the fence by continuously assembling the fence unit assembled a plurality of liver meat between the upper, lower horizontal rods.

Another object of the present invention is to be able to apply universally to fences of various standards having different heights and lengths.

In order to achieve the object of the present invention, the base frame and the fixed bed is installed upstream of the base frame is seated on the preceding fence unit, and the movable fence is installed to be movable in the front and rear direction with respect to the fixed bed is a trailing fence unit A movable support bed that is seated between the fixed bed and the movable bed to support the handrail support angle and a pair of preceding fence unit clamps installed on both sides of the fixed bed to fix the preceding fence unit and the movable bed It is installed on both sides of the bed to fix the trailing fence unit, and also consists of a trailing fence unit clamp for pressing the final rail support angle and a movable bed operation cylinder for operating the movable bed in the front and rear directions. A primary assembly device unit for placing and assembling the gas press The primary assembly device includes a pair of left and right paired sprockets installed at a predetermined distance on both sides of the sprocket, and a pair of left and right pairs of chains wound between these sprockets, and a transfer piece fixed to the chain and transported by walking the grate of the fence unit. The primary assembly conveying unit for conveying the primary assembly assembled in the unit, the primary assembly support rail for holding the primary assembly conveyed from the conveying unit and one end of the railing support angle of the primary assembly is supported A handrail is composed of a handrail pressing means for assembling a handrail on the other end of the fixed support and the handrail support angle of the primary assembly.The handrail is mounted on the handrail support angle of the primary assembly assembled in the primary assembly unit and conveyed by the transfer unit. There is provided a fence assembly apparatus characterized in that it comprises a secondary assembly unit for assembling.

Hereinafter, the fence assembly apparatus according to the present invention will be described in detail according to the embodiment shown in the accompanying drawings.

1 is a plan view of a fence assembly apparatus according to the present invention, Figure 2 is a front view as shown in the upstream side of the gas frame 100 and the gas frame 100 as shown in the railing unit (u) The primary assembly unit 200 for assembling with the crust 4 interposed therebetween, and the primary assembly transfer unit 300 and the primary assembly for transferring the primary assembly assembled in the primary assembly unit 200. As the secondary assembly unit 400 to assemble the handrail 5 to the railing support angle 4 of the primary assembly (A) to be assembled in the assembly unit 200 and conveyed by the transfer unit 300. It is composed.

The gas frame 100 is used as assembled by the section steel, such as a conventional frame.

The primary assembly unit 200 is installed so as to be movable in the front and rear direction with respect to the fixed bed 210 and the fixed bed 210 is seated in the preceding fence unit, as shown in Figures 1 to 6 The movable bed 220 and the fixed bed 210 and the movable bed 220 to which the trailing fence unit is mounted are installed between the fixed bed 210 and the movable bed 220 to support the railing support angle 4 and the fixed bed. A pair of preceding fence unit clamps 240 installed at both sides of the 210 to fix the preceding fence unit and the movable bed 220 are installed at both sides to fix the trailing fence unit and to press the final rail support angle. The fence unit clamp 250 and the movable bed 220 is composed of a movable bed operation cylinder 260 for operating in the front and rear directions.

The fixed bed 210 is fixed to the upper portion of the base frame 100 in the horizontal direction, the horizontal support groove 212 is inserted into the horizontal (1, 2) of the unit (U) on both sides of the upper surface is supported. It has a pair of horizontal support plate 211 and the movable bed 220 is horizontally supported on the upper portion of the base frame 100 is installed to be movable in the front and rear direction horizontally between the unit (U) on both sides of the upper surface It has a pair of horizontal support plate 221 which has the horizontal support groove 222 in which (1, 2) is inserted and supported.

The handrail support angle support 230 is installed so that one end is fixed to the movable bed 220 and the other end is slidably mounted on the fixed bed 210 as shown in the example, or one end is fixed to the fixed bed 210. And the other end is to be installed so that the slide movable on the movable bed 220.

The preceding fence unit clamp 240 and the trailing fence unit clamp 250 are fixedly coupled to the horizontal support plates 211 and 221, respectively, and have brackets 241 and 251 extending inwardly at an upper surface of the horizontal support plates 211 and 221, respectively. And a body fixed to the brackets 241 and 251 so that the piston rod protrudes downward toward the horizontal support grooves 212 and 222 and is fixed to the lower end of the piston rod and the horizontal support groove. And clamping pieces 243 and 253 corresponding to upper portions of the 212 and 222.

A pair of lifting guide rods 244,254 are supported by the brackets 241 and 251 so that the lifting guide rods 244 and 254 can be lifted and lowered. It is supposed to work.

The lifting guide rods 244 and 254 are supported by the linear guide bushes 245 and 255 installed in the brackets 241 and 251 so as to be capable of linear movement.

In addition, the preceding fence unit clamp 240 and the trailing fence unit clamp 250 are horizontal (1, 2) inserted into the horizontal support grooves (212, 222) through the brackets (241, 251) and the clamping pieces (245, 255) Hydraulic cylinders (246, 256) for the side preventive paper to support them from the side.

The side cylinder holding cylinders 247 and 257 are fixed to the outer ends of the horizontal support plates 211 and 221 and the brackets 241 and 251, and the body 247a and 257a are fixed to the piston rods 247b and 257b. And penetrate through the through holes 241a and 251a and 243a and 253a drilled into the clamping pieces 243 and 253.

The movable bed operation cylinder 260 is the body 261 is fixed to the gas frame 100 and the tip of the piston rod 262 is fixed to the movable bed 220. In the figure 263 is a fixing piece for fixing the movable bed 220 and the piston rod 262.

As shown in FIGS. 1, 2, 8, and 9, the transfer device 300 includes a pair of left and right sprockets 310 and 320 which are installed in mandrel at predetermined intervals on both sides of the gas frame 100. And a pair of left and right chains 330 wound between these sprockets 320, and a conveying piece 340 fixedly mounted to the chain 330 to walk and feed the liver 3 of the primary assembly.

The conveying piece 340 is rotated when a force is applied in the conveying direction, and is installed so as not to be rotated when receiving a force in the opposite direction of the conveying, so that the conveying piece 340 is actively moved by the chain 330 to the fence unit or assembly. In the case of transfer, the liver (3) or the railing support (40) can be moved by walking. When the fence unit or assembly is transferred while the chain (330) is stopped, the liver (3) or the railing paper The crust 4 is to be passed while rotating the conveying piece 340 in the conveying direction.

The transfer device unit 300 is provided with a primary assembly stopper 350 for stopping the transfer of the primary assembly when the rear end of the primary assembly reaches the assembly position of the rear end of the primary assembly unit 200 is provided. have.

The primary assembly stopper 350 has a body 351 fixed to the bracket 353 installed on the gas frame 100 at both sides of the chain 330 so that the plunger rod 352 protrudes downward. Solenoid is used.

The primary assembly stopper 350 drills the guide hole 354 in the longitudinal direction to the bracket 353 and penetrates the guide hole 354 in order to change its stop position according to the size of the primary assembly. By fastening the fixing screw 355, the body 351 of the primary assembly stopper 350 is fixed to the bracket 353 so as to be movable in the longitudinal direction.

The bracket 353 has a plurality of extension pieces 355 (three in the drawing) each having a long hole 357 drilled in the width direction, and fixed to the gas frame 100 through the long hole 357. By fastening the screw 358, it is provided to be adjustable in the width direction.

The sprockets 310 and 320 are linked to the driving motor 360 by a driving sprocket 361 and a chain 362.

The secondary assembly unit 400 is a primary assembly support rail for holding the primary assembly conveyed from the transfer unit 300, as shown in FIG. A handrail for assembling the handrail 5 at the other end of the support bracket 420 on which one end of the handrail support angle 4 of the primary assembly 410 and the handrail support angle 4 of the primary assembly A is supported. It consists of a pressing means.

The primary assembly support rail 410 is to be installed over the end of the gas frame 100 at the end of the transfer unit 300.

The railing support angle fixing support 420 is composed of a fixed support piece 421 protruding upward on one side of the base frame 100 and a reinforcing piece 422 to reinforce the fixed support piece 421.

The handrail pressing means is a body 431 is fixed to the front end of the plurality of hydraulic cylinder 430 and the piston rod 432 of each hydraulic cylinder 430 is installed on the other side of the gas frame 100, handrail support angle It consists of the pressing piece 440 which presses (4).

The hydraulic cylinder 430 is installed to be movable in the width direction in the gas frame 100 to variably adjust the push position in the longitudinal direction and to variably adjust the width direction position in accordance with the width of the primary assembly. It is provided on the longitudinal movable plate 460 provided on the width direction movable stand 450 so that a movement to the longitudinal direction is possible.

The widthwise movable table 450 is fixed to one side of a screw 452 end that is screwed to the nut box 451 fixed to the gas frame 100 to adjust the screw 452 in the width direction. It is designed to be operated.

The longitudinal movable plate 460 adjusts the longitudinal position by fastening the fixing screw 461 penetrated through the pair of guide holes 453 longitudinally perforated to the widthwise movable base 450. It can be fixed in the adjusted position.

On the other hand, in the secondary assembly unit 400, as long as it takes time to lift out the finished product, the primary assembly may be continuously transferred before the assembly is completed in the secondary assembly unit 400. As such, it is preferable to provide an atmospheric zone 470 as a buffer space between the transfer unit 300 and the secondary assembly unit 400 in order to allow the primary assembly to stand by.

Hereinafter, a process of assembling the fence by the fence assembly apparatus according to the present invention will be described.

First, while placing the first fence unit (U) on the primary assembly unit 200, the horizontal space (1, 2) is fitted to the horizontal insertion groove (212, 222) and the preceding fence unit clamp ( The clamping piece 243 of 240 is lowered, and the handrail support angle 4 in which the engaging projection 4a is formed only on one side on the handrail support angle support piece 230 is placed on the rear side of the clamping piece 243. The trailing fence unit clamp 250 is operated in a state in which the rail support angle 4 is applied to the plunger rod 352 of the stopper 350 so as to adjust the horizontal gaps 1 and 2 of the first fence unit u. Fix it.

At this time, the hydraulic cylinder 247 for the side prevention paper is operated so that the piston rod 247b is horizontally spaced through the through holes 241a and 243a drilled in the bracket 241 and the clamping piece 243. As close to the side of 2) to fix the first fence unit (u) more firmly.

In this state, when the movable bed operation cylinder 260 is operated forward, the trailing fence unit clamp 250 holding the horizontal portion of the first fence unit U moves forward with the movable bed 220 while the first fence unit ( U is pushed so that the engaging projection 4a of the handrail support angle 4 is fitted to the front ends 1 and 2 of the first fence unit U.

In this state, in the state where the clamping pieces 243 and 253 of the clamps 240 and 250 are raised, the handrail support angle 4 and the first fence unit U that are assembled are lifted and moved to the conveying device part 300 side.

The first fence unit U moved to the conveying unit 300 is one or more of the livers 3 wound around the sprockets 310 and 320 of the conveying unit 300 to the chain 330. The handrail support angle is coupled to the first fence unit U because the plunger rod 352 of the solenoid 351 constituting the stopper 350 is in a lowered state. 4) is caught by the plunger rod 352 to stop.

Again, the second fence unit U is placed on the primary assembly unit 30 so that the horizontal fences 1 and 2 are inserted into the horizontal insertion grooves 212 and 222 and the preceding fence unit clamp 240 ), That is, between the first fence unit (U) and the second fence unit (U), put the handrail support angle (4) formed on both sides and operate the unit clamps (240, 250) The clamping pieces 243 and 253 allow the horizontal sections 1 and 2 of the first and second fence units U and U to be fixed. Even in this case, the side surfaces of the horizontal sections 1 and 2 are supported by the piston rods 247b and 257b of the side-preventing hydraulic cylinders 247 and 257 to more firmly fix the fence units U and U.

In this state, when the movable bed operation cylinder 260 is moved forward again, the rear fence unit clamp 250 moves forward together with the movable bed 220 while pushing the second fence unit U to engage both sides of the rail support angle 4. (4a, 4b) is fitted to the rear end of the first fence unit (U) and the tip of the second fence unit (u).

Next, when the clamping pieces 243 and 253 of the clamps 240 and 250 are raised and the plunger rod 352 of the solenoid constituting the stopper 350 is operated, the conveying device part 300 is operated. As the first fence unit U caught on the transfer piece 340 of the) is dragged, the second fence unit U assembled thereto is transferred.

At this time, when the rear end (1, 2) of the second fence unit (U) is conveyed by one pitch in a state coinciding with the rear end of the clamping piece (243) of the preceding fence unit clamp 240, the solenoid constituting the stopper 350 The plunger rod 352 is lowered and the railing support angle 4 assembled between the first fence unit U and the second fence unit U is caught by the plunger rod 352 and stopped.

Again, a third fence unit U is placed on the primary assembly unit 200 and horizontal halves 1 and 2 are inserted into the horizontal insertion grooves 212 and 222 and the preceding fence unit clamp 240 ), That is, between the second fence unit (U) and the third fence unit (U) put the handrail support angle (4) formed on both sides to operate the unit clamp (240,250) The clamping pieces 243 and 253 fix the horizontal gaps 1 and 2 of the second and third fence units U and U, respectively. Even in this case, the piston rods 247b and 257b of the side preventive hydraulic cylinders 247 and 257 support the side surfaces of the horizontal sections 1 and 2 so as to more firmly fix the second and third fence units UU. do.

In this state, while the movable bed operation cylinder 260 is moved forward, the trailing fence unit clamp 250 moves forward together with the movable bed 220 while pushing the third fence unit U to engage both sides of the railing support angle 4. The projections 4a and 4b are fitted to the rear end of the second fence unit U and the tip of the third fence unit U.

Next, the clamping pieces 243 and 253 of the clamps 240 and 250 are raised, and when the feeder unit 300 is operated in a state in which the plunger rod 352 of the solenoid constituting the stopper 350 is raised, the transfer unit unit ( As the second fence unit U caught by the transfer piece 340 of 300 is dragged, the third fence unit U assembled thereto is transferred.

At this time, if the rear end (1, 2) of the third fence unit (U) is transferred by one pitch in a state coinciding with the rear end of the clamping piece (243) of the preceding fence unit clamp 240, the solenoid constituting the stopper 350 The plunger rod 352 is lowered and the railing support angle 4 assembled between the second fence unit U and the third fence unit is caught by the plunger rod 352 and stopped.

In addition, a handrail support angle in which a coupling protrusion 4b is formed on one side of the handrail support angle support piece 230 at a rear side of the preceding fence unit clamp 240, that is, at a rear side of the rear end of the third fence unit U ( 4) the unit clamp 240 is put on, and the clamping piece 243 fixes the horizontal sections 1 and 2 of the third fence unit U. As shown in FIG. At this time, when the clamping piece 253 is lowered by operating the trailing edge unit 250, the handrail supporting angle 4 has a rear side at the tip side of the clamping piece 253 of the trailing fence unit clamp 250. It becomes a state to be able to touch. Even in this case, the third fence unit U may be more firmly fixed by supporting the side surfaces of the horizontal sections 1 and 2 by the piston rod 247b of the side preventive hydraulic cylinder 247.

In this state, when the movable bed operation cylinder 260 is moved forward again, the trailing fence unit clamp 250 moves forward together with the movable bed 220, and the clamping piece 253 pushes the railing support angle 4 to support the railing support angle. The engaging projection 4b of (4) is fitted to the rear end of the horizontal gaps 1 and 2 of the third projecting edge unit U of the engaging projection.

Next, when the clamping pieces 243 and 253 of the clamps 240 and 250 are raised and the plunger rod 352 of the solenoid constituting the stopper 350 is operated, the conveying device part 300 is operated. The primary assembly (A) comprising a handrail support angle (4) assembled to the third fence unit (U), which is caught on the conveying piece 340 of the) is transferred by the conveying unit 300 The vehicle assembly unit 400 is transferred to the side.

The transfer of the primary assembly A is achieved by pushing the unit or primary assembly to which the unit or assembly A sequentially assembled and conveyed by the transfer force by the transfer unit.

The primary assembly A transferred to the secondary assembly unit 400 has one end of the railing support angle 4 corresponding to the fixed support 410 in the state where it is mounted on the support rail 410, and the other end is the railing stand. The posture corresponds to the pressing piece 440 of the pressing means.

In this state, the handrail 5 is formed on the longitudinal movable plate 460 in a state in which the engaging projection 5a formed on one side thereof coincides with the other end of the handrail support angle 4, and the hydraulic cylinder 430. When the) is activated, the pressing piece 440 fixed to the end of the piston rod 432 is pushed forward while pushing the handrail 5 so that the engaging projection 5a is inserted into the other end of the railing support angle 4 and coupled thereto. Assembly of the fence (F) is completed.

The completed fence (F) is taken out by the worker's manpower or hoist.

On the other hand, the drawing has been described as an example of assembling the fence (F) by combining the three units (U, U, U), the number of the unit can be changed as necessary, and in the drawing constitutes a handrail pressing means Only three of the six hydraulic cylinders 430 are to be used for assembling the railing, but this is also possible depending on the length of the fence (F) can be used all or part of six.

In addition, when it is necessary to change the pressing position of the hydraulic cylinder 430 according to the length of the fence (F) is fastened to the longitudinal movable plate 460 through the guide hole 453 formed in the widthwise movable table 450 When the fixed screw 461 is loosened, pushing or pulling in the longitudinal direction along the guide hole 453 may move the position of the longitudinal direction 460 while the fixing screw 461 is guided along the guide hole 453. Will be.

After the longitudinal movable plate 460 is moved to a desired position, the longitudinal movable plate 460 is fixed to the adjusted position relative to the widthwise movable table 450 by tightening the fixing screw 453. The position of the hydraulic cylinder 430 and the pressing piece 440 mounted on the directional movable plate 460 can be maintained at a desired position.

In addition, the distance between the fixing support 410 and the pressing piece 440 according to the width (equivalent to the height in the installed state) of the fence (F), in this case fixed to the gas frame 100 When the screw 452 coupled to the nut box 451 is turned left and right by a tool or a handle, a widthwise movable table coupled to the front end of the screw 452 by a screw action of the screw 452 and the nut box 451 ( 450 is moved in the width direction with respect to the gas frame 100 to the front end of the hydraulic cylinder 430 and its piston rod 432 which is installed on the widthwise movable table 450 via the longitudinal movable plate 460. The distance between the combined pressing piece 440 and the fixed support 410 is to be adjusted.

On the other hand, the primary assembly (A) to be transported to the secondary assembly device 400 side is to stand on the support rail 410 in the standby zone 470 before reaching the secondary assembly device 400. .

As a result, the time required for the secondary assembly in the secondary assembly unit 400 is first assembled in the primary assembly unit 200 to transfer the primary assembly A transferred by the transfer unit 300. Since the first assembly (A) waits in the standby zone 470 even when it is slower than the speed, the next first assembly (A) is the second assembly before the second assembly in the secondary assembly unit 400 is completed. Without reaching the device 400, the secondary assembly will be able to be performed in a relaxed and stable manner.

In the example, two primary assemblies (A) are installed in the atmosphere zone (470) to wait, but if necessary, they may be omitted or installed to a length at which three or more primary assemblies (A) can wait. And it is also possible to assemble the fence corresponding to the total length of the secondary assembly unit 400 including the atmospheric zone (470).

As described above, the present invention is a primary assembly and a primary assembly for assembling a fence unit in which a plurality of livers 3 are assembled in a pair of horizontal sections 1 and 2 with a railing support angle 4 therebetween. Since the secondary assembly for assembling the handrail 5 at one end of the handrail support angle (4) of the assembly is to be carried out continuously, the assembly of the fence will be made quickly and easily. In addition, in the present invention, the fence of the various standards by varying the position of the stopper of the conveying device according to the height or width of the fence, and adjusting the pressing position of the handrail pressing means of the secondary assembly unit and the distance between the pressing means and the fixing support. You can assemble it.

Claims (10)

Aircraft frame A fixed bed installed on an upstream side of the gas frame and seated with a preceding fence unit; and a movable bed provided to be slidably moved forward and backward with respect to the fixed bed and between the fixed bed and a movable bed on which a trailing fence unit is seated. And a pair of leading fence unit clamps installed on both sides of the rail support angle support pieces installed on both sides of the fixing bed and installed on both sides of the fixed bed, and installed on both sides of the movable bed to fix the trailing fence unit. In addition, the first fence unit assembly consisting of a trailing fence unit clamp for pressing the final rail support angle and a movable bed operation cylinder for operating the movable bed in the front and rear directions, and assembling the fence units with a railing support angle therebetween; A pair of left and right pairs of sprockets installed at a predetermined distance on both sides of the gas frame, and a pair of left and right chains wound between these sprockets, and a conveying piece fixedly installed on the chains and transporting the grate of the fence unit. A primary assembly conveying unit for conveying the assembled primary assembly in the primary assembly unit; For assembling the handrail to the other end of the fixed support and one end of the rail support angle of the primary assembly support rail and the primary assembly supporting the primary assembly conveyed from the transfer unit unit A fence assembly device comprising: a secondary assembly device, comprising a handrail pressing means, assembled at the primary assembly device part, and assembling the handrail to the railing support angle of the primary assembly conveyed by the transfer device part; The bracket of claim 1, wherein the preceding fence unit clamp and the trailing fence unit clamp are fixedly coupled to the horizontal support plate, respectively, and fixedly coupled to the horizontal support plate, the brackets extending inwardly at intervals on the horizontal support plate. And a clamping hydraulic cylinder whose body is fixed to the bracket so that the piston rod protrudes downward toward the horizontal support groove, and a clamping piece corresponding to an upper portion of the horizontal support groove fixed to the lower end of the piston rod. Fence assembly device, characterized in that According to claim 2, wherein the leading fence unit clamp and the trailing fence unit clamp is characterized in that it includes a hydraulic cylinder for the side preventive paper having a piston rod for penetrating the bracket and the clamping piece to support the horizontal intervals of the fence unit from the side. Fence assembly machine The fence assembly apparatus according to claim 1, wherein the conveying piece is rotated when a force is applied in the conveying direction and is not rotated when receiving the force in the opposite direction of the conveying. The fence assembly apparatus according to claim 1, wherein a stopper is installed in the transfer unit to stop the fence unit when it is transferred by one pitch. According to claim 1, wherein the handrail pressing means is characterized in that the body is composed of a plurality of hydraulic cylinders installed on the other side of the gas frame and the pressing piece for pressing the railing support angle is fixed to the end of the piston rod of each hydraulic cylinder Fence assembly machine 7. The fence assembly apparatus according to claim 6, wherein the hydraulic cylinder is installed on a longitudinal movable plate movably installed in the longitudinal direction of the movable object in the width direction of the movable frame. According to claim 7, The widthwise movable table is fixed to one side of the screw tip is screwed to the nut box fixed to the gas frame is installed so as to be movable in the width direction by adjusting the screw Fence assembly According to claim 8, The longitudinally movable plate is to adjust the longitudinal position by fastening the fixing screw penetrated through the guide hole in the longitudinal direction to the widthwise movable platform to be fixed to the adjusted position. Fence assembly device, characterized in that configured to be 10. The fence assembly apparatus according to any one of claims 1 and 6 to 9, wherein an air zone is provided between the transfer unit and the secondary assembly unit to allow a primary assembly to stand by.