An escalator inner and outer cover arc forming device that is easy to maintain

Abstract

The present invention discloses an escalator inner and outer cover plate curvature forming device which is easy to maintain, including a transverse positioning frame, a transverse sliding groove, a positioning sliding frame structure, a transverse adjustment socket, an adjustable top tightening frame structure, a top auxiliary heating frame structure, a longitudinal support plate, a stainless steel arc plate, a longitudinal adjustment socket, a protective pad, an adjustment bolt, a side buffer top frame structure, a side support frame, a cylinder switch and a heating switch, wherein the transverse sliding groove is arranged on the front and rear sides of the middle position of the transverse positioning frame; the positioning sliding frame structure is installed on the left and right sides inside the transverse positioning frame. The fixing bolt of the present invention passes through the fixing plate and is threadedly connected with the transverse adjustment socket, which is conducive to adjusting the position of the adjustable top tightening frame structure on the left and right sides of the transverse positioning frame; the rectangular positioning frame is arranged on the inner side of the rectangular installation frame, and the shaft is connected to the outer side of the shaft rod, which is conducive to flexible rotation according to the curvature of the bent cover plate.

Description

Technical Field

[0001] The invention belongs to the technical field of cover plate radian forming devices, and in particular relates to a radian forming device for inner and outer cover plates of an escalator which is easy to maintain. Background Art

[0002] The surface and curvature of the stainless steel arc cover of the escalator are very demanding, and they focus on beauty and practicality. The traditional method is to use manual bending, which is very easy to cause damage to the surface of the cover, the curvature of the bending section changes and rebounds greatly, the repair rate is high during installation and bonding, and the production efficiency is low.

[0003] However, the existing escalator inner and outer cover arc forming device has the problems of not being able to adjust the position of the tightening frame according to needs, not being able to flexibly rotate the angle of the positioning frame according to needs, not being able to heat the bending position, and not being able to conveniently perform a buffering and tightening function on the bending position.

[0004] Therefore, it is very necessary to invent a camber forming device for inner and outer cover plates of an escalator which is easy to maintain. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide an escalator inner and outer cover plate curvature forming device which is easy to maintain, so as to solve the problems that the existing escalator inner and outer cover plate curvature forming device has the inability to adjust the position of the tightening frame according to needs, the inability to flexibly rotate the angle of the positioning frame according to needs, the inability to heat the bending position and the inconvenience of the buffering and tightening function of the bending position.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: an escalator inner and outer cover plate curvature forming device which is easy to maintain, comprising a transverse positioning frame, a transverse sliding groove, a positioning sliding frame structure, a transverse adjustment socket, an adjustable top tightening frame structure, a top auxiliary heating frame structure, a longitudinal support plate, a stainless steel arc plate, a longitudinal adjustment socket, a protective pad, an adjustment bolt, a side buffer top frame structure, a side support frame, a cylinder switch and a heating switch, wherein the transverse sliding groove is arranged on the front and rear sides of the middle position of the transverse positioning frame; the positioning sliding frame structure is installed on the left and right sides inside the transverse positioning frame; the transverse adjustment socket is respectively arranged in the upper and lower parts on the left and right sides of the transverse positioning frame; the adjustable top tightening frame structure is installed on the left and right ends of the transverse positioning frame; the top auxiliary heating frame structure is installed in the middle of the rear side of the transverse positioning frame The upper part; the longitudinal support plate is plugged into the middle position of the inner side of the transverse positioning frame; the stainless steel arc plate is welded to the upper part of the longitudinal support plate; the longitudinal adjustment jacks are respectively opened on the left and right sides of the longitudinal support plate; the protective pad is arranged on the front side of the transverse positioning frame; the side buffer top frame structure is installed on the left and right sides of the longitudinal support plate; the side support frame is welded to the left and right sides of the lower part of the transverse positioning frame; the cylinder switch and the heating switch are respectively screwed on the front side of the side support frame; the top auxiliary heating frame structure includes a rear side plate, a fan frame, a stainless steel dustproof net, a hair dryer, a connecting frame and a copper electric heating tube, and the rear side plate bolts are installed on the middle and upper part of the rear side of the transverse positioning frame; the fan frame bolts are installed on the upper front side of the rear side plate; the connecting frame screws are installed on the left and right sides of the lower part of the fan frame.

[0007] Preferably, the positioning sliding frame structure includes a rectangular mounting frame, a transverse sliding plate, an axle rod, a rectangular positioning frame, an upper positioning wheel and a lower positioning wheel, and the rectangular mounting frame is arranged on the left and right sides of the interior of the transverse positioning frame; the axle rod is inserted in the middle position of the transverse sliding plate.

[0008] Preferably, the adjustable tightening frame structure includes a fixing plate, a fixing bolt, a cylinder fixing frame, a telescopic cylinder and a connecting plate, wherein the fixing plate is sleeved on the left and right sides of the outside of the transverse positioning frame; the fixing bolt passes through the fixing plate and is threadedly connected to the transverse adjustment socket; the cylinder fixing frame is welded to the upper right side of the fixing plate; the telescopic cylinder bolt is installed on the inner side of the cylinder fixing frame; and the connecting plate bolt is installed on the left side of the telescopic cylinder.

[0009] Preferably, the side buffer top frame structure includes a mounting seat, a fixing tube, a positioning ring, a positioning rod, a mounting plate, a tightening spring, a wheel frame and a stainless steel wheel, the mounting seat bolts are installed on the left and right sides of the longitudinal support plate; the fixing tube is welded to the left middle position of the mounting seat; the positioning ring is welded to the upper end of the fixing tube; the positioning rod passes through the positioning ring and is inserted into the inner side of the fixing tube; the mounting plate is welded to the upper end of the positioning rod; the wheel frame screws are installed on the upper part of the mounting plate; and the stainless steel wheel axle is connected to the inner upper part of the wheel frame.

[0010] Preferably, the fixing bolt passes through the fixing plate and is threadedly connected to the transverse adjustment hole.

[0011] Preferably, the rectangular positioning frame is arranged on the inner side of the rectangular installation frame and is axially connected to the outer side of the shaft rod.

[0012] Preferably, the copper electric heating tube screws are installed at the lower part of the connecting frame.

[0013] Preferably, the tightening spring is sleeved on the outer side of the positioning rod and is arranged on the inner side of the positioning ring and the mounting plate.

[0014] Preferably, the adjusting bolt passes through the protective pad and the transverse sliding groove and is threadedly connected to the longitudinal adjusting socket on the longitudinal support plate.

[0015] Preferably, the transverse sliding plate is welded to the middle position of the front and rear sides of the rectangular installation frame, and is plugged into the inner side of the transverse sliding groove.

[0016] Preferably, the bottom screws of the side support frame are installed with a rubber bottom plate.

[0017] Preferably, the stainless steel dust screen screws are installed on the upper part of the fan frame.

[0018] Preferably, the upper positioning wheel and the lower positioning wheel are axially connected to the upper and lower sides of the rectangular positioning frame respectively.

[0019] Preferably, the hair dryer is arranged on the inner side of the fan frame and is screwed to the stainless steel dustproof net.

[0020] Preferably, the telescopic cylinder adopts an SC series cylinder, the hair dryer adopts an SF axial flow fan, the hair dryer and the copper electric heating tube are electrically connected to the heating switch respectively, and the cylinder switch is electrically connected to the telescopic cylinder.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] In the present invention, the fixing bolt passes through the fixing plate and is threadedly connected to the transverse adjustment hole, which is conducive to conveniently adjusting the position of the fixing bolt installed in the transverse adjustment hole according to needs during use, so as to adjust the position of the adjustable top tightening frame structure on the left and right sides of the transverse positioning frame.

[0023] In the present invention, the rectangular positioning frame is arranged on the inner side of the rectangular installation frame and is axially connected to the outer side of the shaft rod, which is conducive to facilitating the rotation angle of the rectangular positioning frame in the rectangular installation frame during use, and further facilitates flexible rotation according to the curvature of the bending cover plate.

[0024] In the present invention, the copper electric heating tube screws are installed at the lower part of the connecting frame, which is conducive to heating the cover plate at the upper side of the stainless steel arc plate during use, so as to make it easier to bend the cover plate.

[0025] In the present invention, the tightening spring is sleeved on the outer side of the positioning rod and is arranged on the inner side of the positioning ring and the mounting plate, which is conducive to the upward tightening function of the mounting plate during use, so as to play a movable tightening function when the cover plate is bent.

[0026] In the present invention, the adjusting bolt passes through the protective pad and the transverse sliding groove and is threadedly connected to the longitudinal adjustment socket on the longitudinal support plate, which is conducive to conveniently adjusting the position of the adjusting bolt in the longitudinal adjustment socket according to needs during use, so as to adjust the height of the stainless steel arc plate, thereby facilitating the adjustment of the curvature when the cover plate is bent.

[0027] In the present invention, the transverse sliding plate is welded at the middle position of the front and rear sides of the rectangular installation frame, and is plugged into the inner side of the transverse sliding groove, which is conducive to the transverse sliding plate sliding left and right in the transverse sliding groove during use, thereby facilitating the positioning function when moving the rectangular installation frame.

[0028] In the present invention, the bottom screws of the side support frame are installed with a rubber bottom plate, which is beneficial to the anti-skid effect when the device contacts the ground during use, thereby preventing the device from sliding due to being affected by the ground.

[0029] In the present invention, the stainless steel dust screen screws are installed on the upper part of the fan frame, which is conducive to filtering the air drawn in by the hair dryer during use, thereby preventing dust from entering the inner side of the fan frame.

[0030] In the present invention, the upper positioning wheel and the lower positioning wheel are respectively axially connected to the upper and lower sides of the rectangular positioning frame, which is beneficial to reducing the friction with the cover plate inserted into the rectangular positioning frame during use, thereby avoiding damage caused by friction between the rectangular positioning frame and the cover plate.

[0031] In the present invention, the hair dryer is arranged on the inner side of the fan frame and is screwed to the stainless steel dust screen, which is convenient for blowing air to the copper electric heating tube during use, and further convenient for blowing the hot air flow to the stainless steel arc plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural schematic diagram of the present invention.

[0033] Figure 2 It is a structural schematic diagram of the positioning sliding frame structure of the present invention.

[0034] Figure 3 It is a structural schematic diagram of the adjustable jacking frame structure of the present invention.

[0035] Figure 4 It is a structural schematic diagram of the top auxiliary heating frame structure of the present invention.

[0036] Figure 5 It is a structural schematic diagram of the side buffer top frame structure of the present invention.

[0037] Figures 1 to 5 middle:

[0038] 1. Horizontal positioning frame; 2. Horizontal sliding groove; 3. Positioning sliding frame structure; 31. Rectangular mounting frame; 32. Horizontal sliding plate; 33. Axle rod; 34. Rectangular positioning frame; 35. Upper positioning wheel; 36. Lower positioning wheel; 4. Horizontal adjustment socket; 5. Adjustable top tightening frame structure; 51. Fixing plate; 52. Fixing bolt; 53. Cylinder fixing frame; 54. Telescopic cylinder; 55. Connecting plate; 6. Top auxiliary heating frame structure; 61. Rear side plate; 62. Fan frame; 63. Stainless steel anti- Dust screen; 64, hair dryer; 65, connecting frame; 66, copper electric heating tube; 7, longitudinal support plate; 8, stainless steel arc plate; 9, longitudinal adjustment socket; 10, protective pad; 11, adjustment bolt; 12, side buffer top frame structure; 121, mounting seat; 122, fixing pipe; 123, positioning ring; 124, positioning rod; 125, mounting plate; 126, tightening spring; 127, wheel frame; 128, stainless steel wheel; 13, side support frame; 14, cylinder switch; 15, heating switch. DETAILED DESCRIPTION

[0039] The present invention is further described below in conjunction with the accompanying drawings:

[0040] As attached Figure 1 and attached Figure 4As shown, the present invention discloses an escalator inner and outer cover curvature forming device which is easy to maintain, comprising a transverse positioning frame 1, a transverse sliding groove 2, a positioning sliding frame structure 3, a transverse adjustment socket 4, an adjustable top tightening frame structure 5, a top auxiliary heating frame structure 6, a longitudinal support plate 7, a stainless steel arc plate 8, a longitudinal adjustment socket 9, a protective pad 10, an adjustment bolt 11, a side buffer top frame structure 12, a side support frame 13, a cylinder switch 14 and a heating switch 15, wherein the transverse sliding groove 2 is arranged on the front and rear sides of the middle position of the transverse positioning frame 1; the positioning sliding frame structure 3 is installed on the left and right sides of the interior of the transverse positioning frame 1; the transverse adjustment socket 4 is respectively arranged on the upper and lower parts of the left and right sides of the transverse positioning frame 1; the adjustable top tightening frame The structure 5 is installed at the left and right ends of the transverse positioning frame 1; the top auxiliary heating frame structure 6 is installed at the middle and upper part of the rear side of the transverse positioning frame 1; the longitudinal support plate 7 is plugged into the middle position of the inner side of the transverse positioning frame 1; the stainless steel arc plate 8 is welded to the upper part of the longitudinal support plate 7; the longitudinal adjustment sockets 9 are respectively opened on the left and right sides of the longitudinal support plate 7; the protective pad 10 is arranged on the front side of the transverse positioning frame 1; the side buffer top frame structure 12 is installed on the left and right sides of the longitudinal support plate 7; the side support frame 13 is welded on the left and right sides of the lower part of the transverse positioning frame 1; the cylinder switch 14 and the heating switch 15 are respectively screwed on the front side of the side support frame 13; the adjusting bolt 11 passes through the protective pad 10 and the horizontal sliding groove 2 are threadedly connected with the longitudinal adjustment socket 9 on the longitudinal support plate 7. When in use, it is convenient to adjust the position of the adjustment bolt 11 inserted in the longitudinal adjustment socket 9 according to needs, so as to adjust the height of the stainless steel arc plate 8, thereby facilitating the adjustment of the curvature when the cover is bent. The bottom screws of the side support frame 13 are installed with a rubber bottom plate, which can prevent the device from slipping when in use when in contact with the ground, thereby preventing the device from being affected by the ground and sliding; the top auxiliary heating frame structure 6 includes a rear side plate 61, a fan frame 62, a stainless steel dustproof net 63, a hair dryer 64, a connecting frame 65 and a copper electric heating tube 66, and the rear side plate 61 is bolted to the upper and middle part of the rear side of the horizontal positioning frame 1; the fan frame 62 screws The bolt is installed on the upper front side of the rear side plate 61; the connecting frame 65 is screwed on the left and right sides of the lower part of the fan frame 62; the copper electric heating tube 66 is screwed on the lower part of the connecting frame 65, which is convenient for heating the cover plate on the upper side of the stainless steel arc plate 8 when in use, so that it is easier to bend the cover plate. The stainless steel dustproof net 63 is screwed on the upper part of the fan frame 62, which is convenient for filtering the air drawn in by the hair dryer 64 when in use, thereby preventing dust from following into the inner side of the fan frame 62. The hair dryer 64 is arranged on the inner side of the fan frame 62 and is screwed to the stainless steel dustproof net 63 at the same time. It is convenient to blow the copper electric heating tube 66 when in use, thereby conveniently blowing the hot air flow to the stainless steel arc plate 8.

[0041] As attached Figure 2 As shown, in the above embodiment, specifically, the positioning sliding frame structure 3 includes a rectangular mounting frame 31, a transverse sliding plate 32, a shaft 33, a rectangular positioning frame 34, an upper positioning wheel 35 and a lower positioning wheel 36, wherein the rectangular mounting frame 31 is arranged on the left and right sides of the interior of the transverse positioning frame 1; the shaft 33 is inserted in the middle position of the transverse sliding plate 32; the rectangular positioning frame 34 is arranged on the inner side of the rectangular mounting frame 31, and is axially connected to the outer side of the shaft 33, so that the rectangular positioning frame 34 can rotate in the rectangular mounting frame 31 when in use, and then it is convenient to rotate according to the angle of rotation of the rectangular positioning frame 34. The arc of the bent cover plate can be flexibly rotated. The transverse sliding plate 32 is welded to the middle position of the front and rear sides of the rectangular mounting frame 31, and is inserted into the inner side of the transverse sliding groove 2. When in use, the transverse sliding plate 32 slides left and right in the transverse sliding groove 2, so as to facilitate the positioning function when moving the rectangular mounting frame 31. The upper positioning wheel 35 and the lower positioning wheel 36 are respectively axially connected to the upper and lower sides of the rectangular positioning frame 34. When in use, the friction with the cover plate inserted into the rectangular positioning frame 34 can be reduced, thereby avoiding damage caused by friction between the rectangular positioning frame 34 and the cover plate.

[0042] As attached Figure 3 As shown, in the above embodiment, specifically, the adjustable top tightening frame structure 5 includes a fixing plate 51, a fixing bolt 52, a cylinder fixing frame 53, a telescopic cylinder 54 and a connecting plate 55, and the fixing plate 51 is sleeved on the left and right sides of the outside of the transverse positioning frame 1; the fixing bolt 52 passes through the fixing plate 51 and is threadedly connected to the transverse adjustment socket 4; the cylinder fixing frame 53 is welded to the upper right part of the fixing plate 51; the telescopic cylinder 54 is bolted on the inner side of the cylinder fixing frame 53; the connecting plate 55 is bolted on the left side of the telescopic cylinder 54; the fixing bolt 52 passes through the fixing plate 51 and is threadedly connected to the transverse adjustment socket 4, which is convenient for adjusting the position of the fixing bolt 52 installed in the transverse adjustment socket 4 according to needs during use, so as to adjust the position of the adjustable top tightening frame structure 5 on the left and right sides of the transverse positioning frame 1.

[0043] As attached Figure 5As shown, in the above embodiment, specifically, the side buffer top frame structure 12 includes a mounting seat 121, a fixing pipe 122, a positioning ring 123, a positioning rod 124, a mounting plate 125, a tightening spring 126, a wheel frame 127 and a stainless steel wheel 128. The mounting seat 121 is bolted to the left and right sides of the longitudinal support plate 7; the fixing pipe 122 is welded to the left middle position of the mounting seat 121; the positioning ring 123 is welded to the upper end of the fixing pipe 122; the positioning rod 124 passes through the positioning ring 123 is inserted into the inner side of the fixing tube 122; the mounting plate 125 is welded to the upper end of the positioning rod 124; the wheel frame 127 is screwed to the upper part of the mounting plate 125; the stainless steel wheel 128 is axially connected to the inner upper part of the wheel frame 127; the tightening spring 126 is sleeved on the outer side of the positioning rod 124, and is arranged on the inner side of the positioning ring 123 and the mounting plate 125 at the same time, so as to facilitate the upward tightening function of the mounting plate 125 when in use, so as to play a movable tightening function when the cover plate is bent.

[0044] In the working process of the present invention, firstly, the position of the fixing plate 51 on the transverse positioning frame 1 is adjusted according to the length of the cover plate, and after the adjustment is completed, the fixing bolt 52 is used to penetrate the fixing plate 51 and is threadedly connected with the transverse adjustment socket 4 to fix the fixing plate 51, and at the same time, the length of the longitudinal support plate 7 inserted in the transverse positioning frame 1 is adjusted, and after the adjustment is completed, the adjusting bolt 11 is used to penetrate the protective pad 10 and the transverse sliding groove 2 and is threadedly connected with the longitudinal adjustment socket 9 on the longitudinal support plate 7 to fix the longitudinal support plate 7, and then the required folding is completed. The bent cover plate is respectively inserted into the inner side of the upper positioning wheel 35 and the lower positioning wheel 36, and then the cylinder switch 14 is turned on to use the telescopic cylinder 54 to use the connecting plate 55 to tighten the rectangular mounting frame 31, and the transverse sliding plate 32 is made to slide in the transverse sliding groove 2. At the same time, the heating switch 15 is turned on to use the hair dryer 64 to blow the copper electric heating tube 66, so as to realize the heating function of the cover plate on the stainless steel arc plate 8, so as to increase the speed during bending. When bending, the stainless steel wheel 128 can be used to support and tighten the two sides of the cover plate.

[0045] Utilizing the technical solution described in the present invention, or those skilled in the art designing a similar technical solution inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the protection scope of the present invention.

Claims

1. An escalator inner and outer cover curvature forming device that is easy to maintain, characterized in that: The escalator inner and outer cover plate curvature forming device which is easy to maintain comprises a transverse positioning frame (1), a transverse sliding groove (2), a positioning sliding frame structure (3), a transverse adjustment socket (4), an adjustable top tightening frame structure (5), a top auxiliary heating frame structure (6), a longitudinal support plate (7), a stainless steel arc plate (8), a longitudinal adjustment socket (9), a protective pad (10), an adjustment bolt (11), a side buffer top frame structure (12), a side support frame (13), a cylinder switch (14) and a heating switch (15), wherein the transverse sliding groove (2) is arranged on both sides of the front and rear of the middle position of the transverse positioning frame (1); the positioning sliding frame structure (3) is installed on the left and right sides of the inside of the transverse positioning frame (1); the transverse adjustment socket (4) is installed on both sides of the inside of the transverse positioning frame (1); and the transverse adjustment socket (4) is installed on both sides of the inside of the transverse positioning frame (1). ) are respectively provided at the upper and lower parts on the left and right sides of the transverse positioning frame (1); the adjustable top tightening frame structure (5) is installed at the left and right ends of the transverse positioning frame (1); the top auxiliary heating frame structure (6) is installed at the middle and upper part of the rear side of the transverse positioning frame (1); the longitudinal support plate (7) is plugged into the middle position of the inner side of the transverse positioning frame (1); the stainless steel arc plate (8) is welded to the upper part of the longitudinal support plate (7); the longitudinal adjustment jacks (9) are respectively provided at the left and right sides of the longitudinal support plate (7); the protective pad (10) is arranged on the front side of the transverse positioning frame (1); the side buffer top frame structure (12) is installed on the left and right sides of the longitudinal support plate (7); the side support frame (13) is welded On the left and right sides of the lower part of the horizontal positioning frame (1); the cylinder switch (14) and the heating switch (15) are respectively screwed on the front side of the side support frame (13); the top auxiliary heating frame structure (6) includes a rear side plate (61), a fan frame (62), a stainless steel dust screen (63), a blower (64), a connecting frame (65) and a copper electric heating tube (66), the rear side plate (61) is bolted to the upper middle part of the rear side of the horizontal positioning frame (1); the fan frame (62) is bolted to the upper front part of the rear side plate (61); the connecting frame (65) is screwed to the left and right sides of the lower part of the fan frame (62); the positioning sliding frame structure (3) includes a rectangular mounting frame (31), a horizontal sliding plate (32 ), an axle (33), a rectangular positioning frame (34), an upper positioning wheel (35) and a lower positioning wheel (36), the rectangular mounting frame (31) being arranged on the left and right sides of the interior of the transverse positioning frame (1); the axle (33) being inserted into the middle position of the transverse sliding plate (32); the adjustable jacking frame structure (5) comprising a fixing plate (51), a fixing bolt (52), a cylinder fixing frame (53), a telescopic cylinder (54) and a connecting plate (55), the fixing plate (51) being sleeved on the left and right sides of the exterior of the transverse positioning frame (1); the fixing bolt (52) passing through the fixing plate (51) and being threadedly connected to the transverse adjustment socket (4); the cylinder fixing frame (53) being welded to the upper right side of the fixing plate (51);The telescopic cylinder (54) is bolted to the inner side of the cylinder fixing frame (53); the connecting plate (55) is bolted to the left side of the telescopic cylinder (54); the side buffer top frame structure (12) comprises a mounting seat (121), a fixing pipe (122), a positioning ring (123), a positioning rod (124), a mounting plate (125), a tightening spring (126), a wheel frame (127) and a stainless steel wheel (128); the mounting seat (121) is bolted to the left and right sides of the longitudinal support plate (7). side; the fixing tube (122) is welded to the middle position of the left side of the mounting seat (121); the positioning ring (123) is welded to the upper end of the fixing tube (122); the positioning rod (124) passes through the positioning ring (123) and is inserted into the inner side of the fixing tube (122); the mounting plate (125) is welded to the upper end of the positioning rod (124); the wheel frame (127) is screwed to the upper part of the mounting plate (125); the stainless steel wheel (128) is axially connected to the inner upper part of the wheel frame (127). ; 2. The escalator inner and outer cover plate curvature forming device for easy maintenance according to claim 1, characterized in that: The fixing bolt (52) passes through the fixing plate (51) and is threadedly connected to the lateral adjustment socket (4).

3. The escalator inner and outer cover plate curvature forming device for easy maintenance according to claim 1, characterized in that: The rectangular positioning frame (34) is arranged on the inner side of the rectangular installation frame (31) and is axially connected to the outer side of the shaft (33).

4. The escalator inner and outer cover plate curvature forming device for easy maintenance according to claim 1, characterized in that: The tightening spring (126) is sleeved on the outside of the positioning rod (124) and is arranged on the inside of the positioning ring (123) and the mounting plate (125).

5. The escalator inner and outer cover plate curvature forming device for easy maintenance according to claim 1, characterized in that: The adjusting bolt (11) passes through the protective pad (10) and the transverse sliding groove (2) and is threadedly connected to the longitudinal adjusting socket (9) on the longitudinal support plate (7).

6. The escalator inner and outer cover plate curvature forming device for easy maintenance according to claim 1, characterized in that: The transverse sliding plate (32) is welded to the middle position of the front and rear sides of the rectangular installation frame (31), and is plugged into the inner side of the transverse sliding groove (2).

7. The escalator inner and outer cover plate curvature forming device for easy maintenance according to claim 1, characterized in that: The upper positioning wheel (35) and the lower positioning wheel (36) are respectively axially connected to the upper and lower sides of the rectangular positioning frame (34).

Images