Safe hoisting tool for on-site reconstruction of escalator

Abstract

The utility model relates to a safe hoisting tool for on-site reconstruction of an escalator. The safe hoisting tool comprises an upper-end gantry tool unit and a lower-end gantry tool unit, a lower end gantry tool unit; a transfer guide rail unit; a lifting device; in the installation process, the upper end gantry tool unit can hoist the escalator lower section assembly to the transfer guide rail unit, the escalator lower section assembly is lowered to the lower end gantry tool unit through the transfer guide rail unit, and the escalator upper section assembly is installed through the upper end gantry tool unit. Or in the mounting process, the lower-end gantry tool unit can hoist the escalator upper section assembly to the transfer guide rail unit, the escalator upper section assembly is upwards pulled to the upper-end gantry tool unit through the transfer guide rail unit under the control of the lifting device, and the escalator lower section assembly is mounted through the lower-end gantry tool unit. According to the utility model, the dismounting and the mounting are convenient and fast, the strength is high after the mounting, the safety is strong, the mounting site space is saved, and other work on the site is not influenced. In addition, the tool can be repeatedly used, and the tool utilization rate is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to escalator reform field especially, and it is a kind of automatic escalator site reconstruction safety hoisting tool. BACKGROUND

[0002] In the face of the urgent needs of escalator update and upgrade, a significant challenge comes from the problem of old escalator reconstruction replacement. With the escalator reaching the design service life or due to performance degradation and urgent need of updating, the actual situation is often limited by the limitation of existing civil structure, and new truss structure escalator cannot be directly installed. This requires that the reconstruction work must be carried out on the basis of the original truss structure, in order to overcome the difficulty that the site infrastructure cannot be compatible with the new escalator frame. In addition, the physical conditions of the reconstruction site also put forward strict requirements: narrow space limits the deployment and operation of large mechanical equipment, which constitutes a great obstacle to the traditional heavy lifting and installation method. At the same time, it must be ensured that the surrounding business operation is not disturbed during construction, so as to avoid affecting the normal business order.

[0003] Among them, the most typical problem is that the upper civil structure is not convenient to transport the upper segment assembly of escalator due to space limitation, and the lower civil structure is not convenient to transport the lower segment assembly of escalator due to space limitation.

[0004] Therefore, the existing reconstruction scheme needs to be further improved.

[0005] The information disclosed in the background section of the utility model is only intended to increase the understanding of the overall background of the utility model, and should not be regarded as acknowledging or implying in any form that the information constitutes prior art known to those skilled in the art. CONTENT OF UTILITY MODEL

[0006] The utility model aims at providing a kind of automatic escalator site reconstruction safety hoisting tool, which can be applicable to the installation of different brand escalators in the case of retaining truss for reconstruction and updating. The utility model is more convenient and fast to disassemble and install, has high strength and high safety after installation, saves installation site space and does not affect other work of the site. In addition, it can be reused, and the tool utilization rate is high.

[0007] The utility model provides a kind of escalator field reconstruction safety hoisting tool, comprising: upper end gantry tool unit, it is installed to the truss upper section of truss;Lower end gantry tool unit, it is installed to the truss lower section of truss;Transfer rail unit, its top end is installed to the truss upper section of the truss, the bottom end of the transfer rail unit is installed to the truss lower section of the truss, the middle part of the transfer rail unit is installed to the truss middle section of the truss;And lifting device, it is installed to the truss upper section of truss;Wherein, in installation process, the upper end gantry tool unit can hoist escalator lower section assembly to the transfer rail unit, escalator lower section assembly is lowered to the place of lower end gantry tool unit under the control of lifting device through the transfer rail unit, and escalator upper section assembly is installed by the upper end gantry tool unit;Or in installation process, the lower end gantry tool unit can hoist escalator upper section assembly to the transfer rail unit, escalator upper section assembly is pulled up to the place of upper end gantry tool unit under the control of lifting device through transfer rail unit, and escalator lower section assembly is installed by the lower end gantry tool unit.

[0008] Preferably, the upper end gantry tool unit comprises: gantry fixed end, it is installed to the truss upper section of truss;Gantry movable end, it is installed to the truss upper section or the civil structure above the truss;And beam assembly, its front part is connected to the midpoint of gantry fixed end, and its rear part is connected to the midpoint of gantry movable end, two walking hoist trolleys capable of sliding along the length direction are installed in the beam assembly, and the walking hoist trolley of the beam assembly can hoist escalator lower section assembly from the civil structure above to the transfer rail unit.

[0009] Preferably, the gantry fixed end and the gantry movable end both comprise: 2 parallel column assemblies, each column assembly comprises column upper part and column lower part, the column lower part can be sleeved in the column upper part and can slide in the column upper part to adjust the height of column assembly, and the column assembly further comprises top beam;And gantry beam assembly, two ends are connected to the lower end surface of the top beam of 2 parallel column assemblies respectively;Wherein, 2 parallel column assemblies of gantry fixed end are installed to the truss upper section of truss, and 2 parallel column assemblies of gantry movable end are installed to the truss upper section or the civil structure above the truss.

[0010] Preferably, the gantry fixed end and the gantry movable end both further comprise: jack base, two ends are detachably installed to the column lower part of 2 parallel column assemblies respectively;Jack beam, two ends are detachably installed to the column upper part of 2 parallel column assemblies respectively;And jack, it is installed on jack base and jack beam.

[0011] Preferably, the lower gantry tool unit comprises: a gantry fixed end mounted to the lower section of the truss; a gantry movable end mounted to the lower section of the truss or the underlying civil structure; and a cross beam assembly connected to the middle point of the gantry fixed end at the back and connected to the middle point of the gantry movable end at the front, the cross beam assembly is provided with two travelling block trolleys capable of sliding along the length direction thereof, the travelling block trolleys of the cross beam assembly are capable of hoisting the upper section assembly of the escalator from the underlying civil structure to the transfer rail unit.

[0012] Preferably, the gantry fixed end and the gantry movable end each comprise: two vertical column assemblies, each vertical column assembly comprises a vertical column upper part and a vertical column lower part, the vertical column lower part is capable of being sleeved in the vertical column upper part and capable of sliding in the vertical column upper part to adjust the height of the vertical column assembly, the vertical column assembly further comprises a top cross beam; and a gantry beam assembly connected to the lower end surface of the top cross beam of the two vertical column assemblies at two ends respectively; wherein the two vertical column assemblies of the gantry fixed end are mounted to the lower section of the truss, and the two vertical column assemblies of the gantry movable end are mounted to the lower section of the truss or the underlying civil structure.

[0013] Preferably, the gantry fixed end and the gantry movable end each further comprise: a jack base capable of being detachably mounted to the vertical column lower part of the two vertical column assemblies at two ends respectively; a jack cross beam capable of being detachably mounted to the vertical column upper part of the two vertical column assemblies at two ends respectively; and a jack mounted on the jack base and the jack cross beam.

[0014] Preferably, the transfer rail unit comprises, in sequence: an upper section rail assembly, an upper bending position rail assembly, an intermediate section rail assembly, a lower bending position rail assembly and a lower section rail assembly.

[0015] Preferably, the upper section rail assembly comprises a horizontal upper section rail and at least two upper section support beams, the upper section support beams are mounted on the upper section of the truss and arranged transversely, and the upper section rail is mounted on the upper section support beams; the upper bending position rail assembly comprises an upper bending position rail and an upper bending position support beam, the upper bending position support beam is mounted on the upper section of the truss and arranged transversely, and the upper bending position rail is mounted on the upper bending position support beam and one upper section support beam; the lower section rail assembly comprises a horizontal lower section rail and a lower section support beam, the lower section support beam is mounted on the lower section of the truss and arranged transversely, and the lower section rail is mounted on the lower section support beam; the lower bending position rail assembly comprises a lower bending position rail and a lower bending position support beam, the lower bending position support beam is mounted on the lower section of the truss and arranged transversely, and the lower bending position rail is mounted on the lower bending position support beam.

[0016] Preferably, the intermediate section rail assembly comprises a plurality of intermediate section rails, the intermediate section rails are mounted on the intermediate section support beams of the truss.

[0017] The automatic escalator on-site reconstruction safety hoisting tool can pull the over-escalator upper assembly to the upper end gantry tool unit through the transfer rail unit from below the escalator when the upper civil structure is inconvenient for transporting the escalator upper assembly, and can lower the over-escalator upper assembly to the lower end gantry tool unit through the transfer rail unit from above the escalator when the lower civil structure is inconvenient for transporting the escalator lower assembly, and the scheme can be applied to the installation of reconstruction and upgrading of escalators of different brands in the case of retaining trusses. The automatic escalator on-site reconstruction safety hoisting tool is convenient and fast to disassemble and assemble, has high strength and high safety after assembly, saves installation site space and does not affect other work of the site. In addition, the tool can be repeatedly used, and the tool utilization rate is high.

[0018] The device has other characteristics and advantages, which will be apparent from or set forth in the accompanying drawings and subsequent embodiments incorporated herein, which are collectively used to explain the specific principles of the device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The application scenario diagram of the automatic escalator on-site reconstruction safety hoisting tool of the utility model embodiment;

[0020] Figure 2 The installation diagram of the upper end gantry tool unit;

[0021] Figure 3 The installation diagram of the lower end gantry tool unit;

[0022] Figure 4 The structure diagram of the transfer rail unit;

[0023] Figure 5 The installation diagram of the upper segment rail assembly and the upper bending position rail assembly;

[0024] Figure 6 The structure diagram of the upper bending position rail;

[0025] Figure 7 The structure diagram of the middle segment rail;

[0026] Figure 8 The installation diagram of the middle segment rail;

[0027] Figure 9 The structure diagram of the lower bending position rail and the lower segment rail.

[0028] EXPLANATION OF REFERENCE NUMERALS:

[0029] 100: upper end gantry tool unit 110: portal fixed end

[0030] 111: column assembly 111A: column upper portion

[0031] 111B: column lower portion 112: gantry beam assembly

[0032] 113: jack base 114: jack cross beam

[0033] 115: jack 120: gantry movable end

[0034] 130: cross beam assembly 131: walking hoist trolley

[0035] 140: transverse adjustment pull rod

[0036] 150: oblique adjustment pull rod 151: first oblique adjustment pull rod

[0037] 152: second oblique adjustment pull rod 153: third oblique adjustment pull rod

[0038] 154: fourth oblique adjustment pull rod 155: fifth oblique adjustment pull rod

[0039] 156: sixth oblique adjustment pull rod 160: walking grating step assembly

[0040] 200: lower end gantry tool unit 210: gantry fixed end

[0041] 211: column assembly 211A: column upper portion

[0042] 211B: column lower portion 212: gantry beam assembly

[0043] 213: jack base 214: jack cross beam

[0044] 215: jack 220: gantry movable end

[0045] 230: cross beam assembly 231: walking hoist trolley

[0046] 240: transverse adjustment pull rod

[0047] 250: oblique adjustment pull rod 251: first oblique adjustment pull rod

[0048] 252: second oblique adjustment pull rod 253: third oblique adjustment pull rod

[0049] 254: fourth oblique adjustment pull rod 255: fifth oblique adjustment pull rod

[0050] 256: sixth oblique adjustment pull rod 260: walking grating step assembly

[0051] 300: transfer rail unit 310: upper rail assembly

[0052] 311: upper rail 312: upper support beam

[0053] 320: upper curved rail assembly 321: upper curved rail

[0054] 322: upper curved support beam 330: middle rail assembly

[0055] 331: middle rail 340: lower curved rail assembly

[0056] 341: lower curved rail 342: lower curved support beam

[0057] 350: lower rail assembly 351: lower rail

[0058] 352: lower support beam

[0059] 361: guide

[0060] 400: truss 401: upper truss segment

[0061] 402: lower truss segment 403: middle truss segment

[0062] 404: middle support beam

[0063] 500: civil structure 600: civil structure

[0064] It should be appreciated that the drawings are not necessarily drawn to scale, but present a simplified representation of various features for purposes of illustrating the basic principles of the present application. Specific design features (including, for example, specific dimensions, orientations, locations, and shapes) of the present application disclosed will be determined in part by the particular environment in which the present application is applied and used.

[0065] In these drawings, like reference numerals indicate like or equivalent parts throughout the several views of the drawings. It will be understood that the drawings are not necessarily drawn to scale. DETAILED DESCRIPTION

[0066] Reference will now be made in detail to various embodiments of the present application, examples of which are illustrated in the accompanying drawings and described below. While the present application will be described in conjunction with the exemplary embodiments, it will be understood that the present application is not limited to these exemplary embodiments. Rather, the present application is intended to cover all alternatives, modifications, and equivalents of the embodiments falling within the spirit and scope of the present application as defined by the appended claims.

[0067] When a part is referred to as being "on" or "above" another part, it can be in contact with the other part, or spaced apart from the other part, or there can be an intermediate part between the part and the other part.

[0068] The front direction is a direction in the horizontal direction toward the side of the lower end gantry tool unit 200, and the rear direction is a direction in the horizontal direction toward the side of the upper end gantry tool unit 100.

[0069] The automatic escalator field reconstruction safety hoisting tool according to the embodiment of the utility model will be described below. Figures 1 to 9 The automatic escalator field reconstruction safety hoisting tool according to the embodiment of the utility model will be described below.

[0070] The automatic escalator field reconstruction safety hoisting tool according to the embodiment of the utility model will be described below.

[0071] The upper end gantry tool unit 100 is installed to the truss upper section 401 of the truss 400.

[0072] The lower end gantry tool unit 200 is installed to the truss lower section 402 of the truss 400.

[0073] The top end of the transfer rail unit 300 is installed to the truss upper section 401 of the truss 400, the bottom end of the transfer rail unit 300 is installed to the truss lower section 402 of the truss 400, and the middle part of the transfer rail unit 300 is installed to the truss middle section 403 of the truss 400.

[0074] The lifting device is installed to the truss upper section 401 of the truss 400.

[0075] The upper end gantry tool unit 100 can hoist the escalator lower section assembly to the transfer rail unit 300, and the escalator lower section assembly is lowered to the lower end gantry tool unit 200 through the transfer rail unit 300 under the control of the lifting device. The lower end gantry tool unit 200 can hoist the escalator upper section assembly to the transfer rail unit 300, and the escalator upper section assembly is pulled up to the upper end gantry tool unit 100 through the transfer rail unit 300 under the control of the lifting device.

[0076] The utility model discloses an implementation scheme can be inconvenient to transport the upper section assembly of escalator when the civil structure of upper portion, from the upper section assembly of escalator through the transfer guide rail unit 300 and pull to the upper end portal tool unit 100 at the place of lower end portal tool unit 200, and through the lower end portal tool unit 200 installation lower section assembly of escalator. Or, in the civil structure of lower portion, from the upper section assembly of escalator through the transfer guide rail unit 300 and put to the lower end portal tool unit 200 at the place of upper end portal tool unit 100, and through the upper end portal tool unit 100 installation upper section assembly of escalator, the scheme can be applicable to the installation of different brand escalator in the case of retaining truss. The utility model discloses the dismounting and installation are relatively convenient and fast, and the intensity is high after installation, and the safety is strong, saves the installation site space and does not influence the other work of site. In addition, can be repeatedly used, and the tool utilization rate is higher.

[0077] The upper section 401 of the truss 400 has an ear, and a lifting device is installed on the ear (not shown in the figure). The ear is located below the third diagonal adjusting pull rod 153 and the fourth diagonal adjusting pull rod 154, which will be introduced later.

[0078] As shown in Figure 2 The upper end portal tool unit 100 includes a portal fixed end 110, a portal movable end 120, a cross beam assembly 130, two transverse adjusting pull rods 140, six diagonal adjusting pull rods 150, and a walking grating pedal assembly 160.

[0079] The portal fixed end 110 of the upper end portal tool unit 100 can be located on the upper section 401 of the truss 400 near the transfer guide rail unit 300, and includes two vertical column assemblies 111, a portal beam assembly 112, a jack base 113, a jack cross beam 114, and a jack 115. The portal fixed end 110 can be fixed to the structure of the upper section 401 of the truss 400 (for example, by bolts).

[0080] The two vertical column assemblies 111 of the portal fixed end 110 are installed to the upper section 401 of the truss 400, and each vertical column assembly 111 includes a vertical column upper part 111A and a vertical column lower part 111B. The vertical column lower part 111B can be sleeved in the vertical column upper part 111A and can slide in the vertical column upper part 111A to adjust the height of the vertical column assembly 111.

[0081] The vertical column assembly 111 further includes a top cross beam. The two ends of the portal beam assembly 112 are respectively connected to the lower end faces of the top cross beams of the two vertical column assemblies 111.

[0082] The two ends of the jack base 113 are respectively connected to the vertical column lower parts 111B of the two vertical column assemblies 111.

[0083] The two ends of the jack cross beam 114 are connected to the column upper portions 111A of the two vertical column assemblies 111 respectively.

[0084] The jack 115 is installed on the jack base 113 and the jack cross beam 114. When installed, the height of the gantry fixed end 110 is at the lowest position, and the jack cross beam 114 can be lifted by the jack 115 to lift the column upper portion 111A to a predetermined height, thereby lifting the gantry fixed end 110 to a predetermined height. The jack 115 can be selected as a monkey pole jack.

[0085] The gantry movable end 120 has the same structure as the gantry fixed end 110, except that the two column assemblies 111 of the gantry movable end 120 are installed on the upper section 401 of the truss or the upper civil structure 500. The gantry movable end 120 of the upper end gantry tooling unit 100 is located behind the gantry fixed end 110 of the upper end gantry tooling unit 100. The gantry movable end 120 can be installed according to the needs of the site, for example, it can be installed on the upper section 401 of the truss or on other platforms around it.

[0086] The front part of the cross beam assembly 130 of the upper end gantry tooling unit 100 is connected to the midpoint of the gantry beam assembly 112 of the gantry fixed end 110 (i.e., the midpoint of the gantry fixed end 110), and the rear part of the cross beam assembly 130 is connected to the midpoint of the gantry beam assembly 112 of the gantry movable end 120 (i.e., the midpoint of the gantry movable end 120), and two walking block trolleys 131 capable of sliding along the length direction (i.e., the front and rear direction) are installed on the cross beam assembly 130. The walking block trolley 131 can hoist the lower section assembly of the escalator from the upper civil structure 500 to the transfer rail unit 300, thereby transferring to the lower end gantry tooling unit 200.

[0087] The front end of one of the two lateral adjustment pull rods 140 is connected to one column assembly 111 of the gantry fixed end 110, and the rear end of one of the two lateral adjustment pull rods 140 is connected to the corresponding one column assembly 111 of the gantry movable end 120. The lateral adjustment pull rod 140 can strengthen the connection between the gantry fixed end 110 and the gantry movable end 120.

[0088] The front end of the other of the two lateral adjustment pull rods 140 is connected to the other column assembly 111 of the gantry fixed end 110, and the rear end of the other of the two lateral adjustment pull rods 140 is connected to the corresponding other column assembly 111 of the gantry movable end 120. The lateral adjustment pull rod 140 can improve the stability of the upper end gantry tooling unit 100.

[0089] The six oblique adjustment rods 150 are arranged obliquely and include a first oblique adjustment rod 151, a second oblique adjustment rod 152, a third oblique adjustment rod 153, a fourth oblique adjustment rod 154, a fifth oblique adjustment rod 155, and a sixth oblique adjustment rod 156. The oblique adjustment rods 150 can improve the stability of the upper gantry tooling unit 100.

[0090] Specifically, if Figure 2 As shown, one end of the first oblique adjustment rod 151 is connected to the middle of one of the column assemblies 111 of the gantry fixed end 110 , and the other end of the first oblique adjustment rod 151 is connected to the truss upper section 401 of the truss 400 .

[0091] One end of the second oblique adjustment rod 152 is connected to the middle of another column assembly 111 of the gantry fixed end 110 , and the other end of the second oblique adjustment rod 152 is connected to the truss upper section 401 of the truss 400 .

[0092] One end of the third oblique adjustment rod 153 is connected to the middle of one of the column assemblies 111 of the gantry movable end 120 , and the other end of the third oblique adjustment rod 153 is connected to the truss upper section 401 of the truss 400 .

[0093] One end of the fourth oblique adjustment rod 154 is connected to the middle portion of another column assembly 111 of the gantry movable end 120 , and the other end of the fourth oblique adjustment rod 154 is connected to the truss upper section 401 of the truss 400 .

[0094] One end of the fifth oblique adjustment rod 155 is connected to the middle portion of one of the column assemblies 111 of the gantry movable end 120 , and the other end of the fifth oblique adjustment rod 155 is connected to the civil engineering structure 500 above.

[0095] One end of the sixth oblique adjustment rod 156 is connected to the middle portion of the other column assembly 111 of the gantry movable end 120, and the other end of the sixth oblique adjustment rod 156 is connected to the civil engineering structure 500. In other embodiments, if the length of the truss upper section 401 of the truss 400 is long enough, the other end of the fifth oblique adjustment rod 155 and the other end of the sixth oblique adjustment rod 156 can also be connected to the truss upper section 401.

[0096] The walking grid pedal assembly 160 is mounted on the upper truss section 401 of the truss 400. The width of the walking grid pedal assembly 160 is smaller than the distance between the two column assemblies 111 at the gantry fixed end 110 to ensure that it does not interfere with the installation of the column assemblies 111. The walking grid pedal assembly 160 provides a standing platform for workers, improving the convenience and safety of installing the upper gantry tooling unit 100.

[0097] likeFigure 3 As shown, the lower end gantry tooling unit 200 includes a gantry fixed end 210, a gantry movable end 220, a beam assembly 230, two transverse adjusting pull rods 240, six inclined adjusting pull rods 250, and a walking grating step assembly 260.

[0098] The gantry fixed end 210 of the lower end gantry tooling unit 200 includes two vertical column assemblies 211, a gantry beam assembly 212, a jack base 213, a jack beam 214, and a jack 215.

[0099] The two vertical column assemblies 211 of the gantry fixed end 210 are installed to the truss lower section 402 of the truss 400, and each vertical column assembly 211 includes a vertical column upper portion 211A and a vertical column lower portion 211B, which can be sleeved in and slid within the vertical column upper portion 211A to adjust the height of the vertical column assembly 211.

[0100] The vertical column assembly 211 further includes a top beam. The two ends of the gantry beam assembly 212 are respectively connected to the lower end faces of the top beams of the two vertical column assemblies 211.

[0101] The two ends of the jack base 213 are respectively connected to the vertical column lower portions 211B of the two vertical column assemblies 211.

[0102] The two ends of the jack beam 214 are respectively connected to the vertical column upper portions 211A of the two vertical column assemblies 211.

[0103] The jack 215 is installed on the jack base 213 and the jack beam 214. When installed, the height of the gantry fixed end 210 is at the lowest position, and the jack beam 214 can be lifted up by the jack 215 to lift up the vertical column upper portion 211A to a predetermined height, thereby lifting up the gantry fixed end 210 to a predetermined height. The jack 215 can be a monkey pole jack.

[0104] The gantry movable end 220 has the same structure as the gantry fixed end 210, except that the two vertical column assemblies 211 of the gantry movable end 220 are installed to the truss lower section 402 of the truss 400 or the civil structure 600 below. The gantry movable end 220 of the lower end gantry tooling unit 200 is located in front of the gantry fixed end 210 of the lower end gantry tooling unit 200. The gantry movable end 120 can be installed according to the needs of the site, for example, it can be installed on the truss lower section 402, or on other platforms around.

[0105] The rear part of the cross beam assembly 230 of the lower end gantry tooling unit 200 is connected to the midpoint of the gantry beam assembly 212 of the gantry fixed end 210 (i.e., the midpoint of the gantry fixed end 210), and the front part of the cross beam assembly 230 is connected to the midpoint of the gantry beam assembly 212 of the gantry movable end 220 (i.e., the midpoint of the gantry movable end 220), and the cross beam assembly 230 is installed with two walking trolley winches 231 capable of sliding along the length direction (i.e., the front-rear direction). The walking trolley winch 231 can hoist the upper end of the staircase assembly from the lower end of the civil structure 600 to the transfer rail unit 300, and then to the upper end gantry tooling unit 100.

[0106] The rear end of one of the two lateral adjustment pull rods 240 is connected to one of the column assemblies 211 of the gantry fixed end 210, and the front end of one of the two lateral adjustment pull rods 240 is connected to the corresponding one of the column assemblies 211 of the gantry movable end 220. The lateral adjustment pull rod 240 can strengthen the connection between the gantry fixed end 210 and the gantry movable end 220.

[0107] The rear end of the other of the two lateral adjustment pull rods 240 is connected to the other column assembly 211 of the gantry fixed end 210, and the front end of the other of the two lateral adjustment pull rods 240 is connected to the corresponding other column assembly 211 of the gantry movable end 220. The lateral adjustment pull rod 240 can improve the stability of the lower end gantry tooling unit 200.

[0108] 6 oblique adjustment pull rods 250 are arranged obliquely and include a first oblique adjustment pull rod 251, a second oblique adjustment pull rod 252, a third oblique adjustment pull rod 253, a fourth oblique adjustment pull rod 254, a fifth oblique adjustment pull rod 255, and a sixth oblique adjustment pull rod 256. The oblique adjustment pull rod 250 can improve the stability of the lower end gantry tooling unit 200.

[0109] Specifically, as shown in FIG. 1, one end of the first oblique adjustment pull rod 251 is connected to the middle part of one of the column assemblies 211 of the gantry fixed end 210, and the other end of the first oblique adjustment pull rod 251 is connected to the lower section 402 of the truss 400. Figure 3

[0110] One end of the second oblique adjustment pull rod 252 is connected to the middle part of the other column assembly 211 of the gantry fixed end 210, and the other end of the second oblique adjustment pull rod 252 is connected to the lower section 402 of the truss 400.

[0111] One end of the third oblique adjustment pull rod 253 is connected to the middle part of one of the column assemblies 211 of the gantry movable end 220, and the other end of the third oblique adjustment pull rod 253 is connected to the lower section 402 of the truss 400. ​

[0112] The fourth diagonal adjustment pull rod 254 is connected to the middle of the other column assembly 211 of the movable end 220 of the portal frame, and the other end of the fourth diagonal adjustment pull rod 254 is connected to the lower truss section 402 of the truss 400.

[0113] The fifth diagonal adjustment pull rod 255 is connected to the middle of one of the column assemblies 211 of the movable end 220 of the portal frame, and the other end of the fifth diagonal adjustment pull rod 255 is connected to the underlying civil structure 600.

[0114] The sixth diagonal adjustment pull rod 256 is connected to the middle of the other column assembly 211 of the movable end 220 of the portal frame, and the other end of the sixth diagonal adjustment pull rod 256 is connected to the underlying civil structure 600. In other embodiments, if the length of the upper truss section 401 of the truss 400 is long enough, the other end of the fifth diagonal adjustment pull rod 255 and the other end of the sixth diagonal adjustment pull rod 256 can also be connected to the lower truss section 402.

[0115] The walking grating step assembly 260 is installed on the lower truss section 402 of the truss 400. The width of the walking grating step assembly 260 is less than the distance between the two column assemblies 211 of the fixed end 210 of the portal frame, so as to ensure that the installation of the column assemblies 211 is not affected. The walking grating step assembly 260 provides a standing platform for the workers, so as to improve the convenience and safety of installing the lower end portal tool unit 200.

[0116] As shown in Figure 2 and Figure 4 , the transfer rail unit 300 has a guide 361, so that the cable of the hoisting device to be introduced later passes above the guide 361, so as to prevent the cable from falling and winding together with the transfer rail unit 300.

[0117] As shown in Figure 4 , the transfer rail unit 300 includes an upper section rail assembly 310, an upper bending position rail assembly 320, an intermediate section rail assembly 330, a lower bending position rail assembly 340, and a lower section rail assembly 350 which are sequentially spliced.

[0118] As shown in Figure 4 and Figure 5 , the upper section rail assembly 310 includes a horizontal upper section rail 311 and at least two upper section support beams 312, the upper section support beams 312 are installed on the upper truss section 401 of the truss 400 and are transversely arranged, and the upper section rail 311 is installed on the upper section support beams 312.

[0119] As shown in Figures 4 to 6As shown in the drawings, the upper-bent-position guide rail assembly 320 comprises an upper-bent-position guide rail 321 and an upper-bent-position support beam 322, the upper-bent-position support beam 322 is installed on the upper section 401 of the truss 400 and is arranged transversely, and the upper-bent-position guide rail 321 is installed on the upper-bent-position support beam 322 and an upper section support beam 312.

[0120] As shown in the drawings, Figure 4 , Figure 7 and Figure 8 As shown in the drawings, the middle section guide rail assembly 330 comprises a plurality of middle section guide rails 331, the middle section guide rails 331 are installed on the middle section support beam 404 of the middle section 403 of the truss 400, and the middle section guide rails 331 are arranged in a plurality of numbers, which can be adjusted according to the length of the escalator.

[0121] As shown in the drawings, Figure 9 As shown in the drawings, the lower section guide rail assembly 350 comprises a horizontal lower section guide rail 351 and a lower section support beam 352, the lower section support beam 352 is installed on the lower section 402 of the truss 400 and is arranged transversely, and the lower section guide rail 351 is installed on the lower section support beam 352.

[0122] As shown in the drawings, Figure 9 As shown in the drawings, the lower-bent-position guide rail assembly 340 comprises a lower-bent-position guide rail 341 and a lower-bent-position support beam 342, the lower-bent-position support beam 342 is installed on the lower section 402 of the truss 400 and is arranged transversely, and the lower-bent-position guide rail 341 is installed on the lower-bent-position support beam 342.

[0123] All the connection modes of the utility model embodiment can select bolt connection, so as to facilitate disassembly.

[0124] The operation of the automatic escalator field reconstruction safety hoisting tool of the utility model embodiment will be described below in combination with the drawings.

[0125] The column assembly 111, the gantry beam assembly 112, the jack base 113, the jack cross beam 114 and the jack 115 are combined together to form the gantry fixed end 110 and the gantry movable end 120 of the upper-end gantry tooling unit 100. The height of the gantry fixed end 110 and the gantry movable end 120 is at the lowest position, and the lowest position is lower than 2 meters.

[0126] The column assembly 211, the gantry beam assembly 212, the jack base 213, the jack cross beam 214 and the jack 215 are combined together to form the gantry fixed end 210 and the gantry movable end 220 of the lower-end gantry tooling unit 200. The height of the gantry fixed end 210 and the gantry movable end 220 is at the lowest position, and the lowest position is lower than 2 meters.

[0127] The walking grating step assembly 160 is installed on the upper section 401 of the truss 400.

[0128] The workers stand on the walking grating step assembly 160 to install the gantry fixed end 110 of the upper end gantry tooling unit 100 on the truss upper section 401.

[0129] Two horizontal adjustment pull rods 140 are pre-hung on the gantry fixed end 110. Here, it is just pre-hung, and not locked yet.

[0130] The gantry movable end 120 of the upper end gantry tooling unit 100 is installed, and the height of the gantry fixed end 110 and the gantry movable end 120 is kept consistent. The horizontal adjustment pull rod 140 is pre-hung on the gantry movable end 120.

[0131] The cross beam assembly 130 is pre-hung on the gantry fixed end 110 and the gantry movable end 120, and it is noted that it is not locked yet.

[0132] Two workers respectively operate a jack 115 to synchronously jack up the gantry fixed end 110 and the gantry movable end 120 to the highest height or a predetermined height, and the gantry fixed end 110 and the gantry movable end 120 are fixed at the height through a latch.

[0133] The diagonal adjustment pull rod 150 is pre-installed, and it is noted that it is not locked yet.

[0134] The diagonal adjustment pull rod 150 is synchronously adjusted, and the diagonal adjustment pull rod 150 is locked.

[0135] The horizontal adjustment pull rod 140 is synchronously locked, so that the distance between the gantry fixed end 110 and the gantry movable end 120 is kept at a predetermined value.

[0136] The cross beam assembly 130 is locked. At this time, the upper end gantry tooling unit 100 has been installed.

[0137] The same steps are taken to install the lower end gantry tooling unit 200.

[0138] The rear end of the cross beam assembly 130 of the installed upper end gantry tooling unit 100 is located above the civil structure 500, and the front end of the cross beam assembly 230 of the installed lower end gantry tooling unit 200 is located above the civil structure 600.

[0139] For the upper end gantry tooling unit 100, the jack base 113, the jack cross beam 114, and the jack 115 are disassembled, and the walking grating step assembly 160 is disassembled. For the lower end gantry tooling unit 200, the same disassembly measures are taken.

[0140] The lifting lugs are welded on the truss upper section 401 of the truss 400, and the lifting device is hung.

[0141] The upper segment rail assembly 310, the upper bending rail assembly 320, the middle segment rail assembly 330, the lower bending rail assembly 340 and the lower segment rail assembly 350 are sequentially installed to form the transfer rail unit 300.

[0142] Up to now, the automatic escalator field reconstruction safety hoisting tool of the embodiment of the utility model has been completely installed.

[0143] The use process is as follows:

[0144] Install the escalator lower segment assembly:

[0145] (1) The escalator lower segment assembly is installed on the transport vehicle on the upper civil structure 500, and the transport vehicle has walking casters corresponding to the transfer rail unit 300.

[0146] (2) The transport vehicle is pushed to below the rear end of the beam assembly 130 of the upper end gantry tool unit 100, at this time, the transport vehicle is still on the civil structure 500.

[0147] (3) The two walking cable crabs 131 of the beam assembly 130 of the upper end gantry tool unit 100 are both moved to above the civil structure 500.

[0148] (4) The two walking cable crabs 131 of the beam assembly 130 are respectively connected to the front end and the rear end of the transport vehicle, and the transport vehicle is lifted to a predetermined height by the walking cable crabs 131.

[0149] (5) The transport vehicle is pushed forward, so that the transport vehicle and the two walking cable crabs 131 are moved to above the upper segment rail assembly 310 of the transfer rail unit 300, and the transport vehicle is lowered onto the upper segment rail assembly 310 by the walking cable crabs 131, so that the walking casters are just placed on the upper segment rail 311 of the transfer rail unit 300.

[0150] (6) The connection relationship between the two walking cable crabs 131 of the beam assembly 130 and the transport vehicle is released, and the lifting device on the truss upper segment 401 of the truss 400 is connected to the rear end of the transport vehicle.

[0151] (7) The transport vehicle is pushed forward, and the transport vehicle is moved to the middle segment rail assembly 330 and finally lowered to the lower segment rail assembly 350 (i.e. at the lower end gantry tool unit 200) by cooperating with the lifting device. During the movement of the transport vehicle downward, the cable of the lifting device is wound from above the guide 361 to prevent the cable from falling and winding together with the transfer rail unit 300.

[0152] (8) When the transport vehicle moves to the lower segment rail assembly 350, the connection between the lifting device and the rear end of the transport vehicle is released.

[0153] Install the upper escalator assembly:

[0154] (1) Install the upper section of the escalator assembly on the transport vehicle on the lower civil structure 600.

[0155] (2) Push the transport vehicle to the front end of the beam assembly 230 of the lower gantry tooling unit 200. At this time, the transport vehicle is still on the civil engineering structure 600.

[0156] (3) Move both traveling hoist trolleys 231 of the crossbeam assembly 230 of the lower end gantry tooling unit 200 to above the civil engineering structure 600 .

[0157] (4) The two traveling hoist trolleys 231 of the beam assembly 230 are connected to the front end and the rear end of the transport vehicle respectively, and the transport vehicle is lifted to a predetermined height by using the traveling hoist trolleys 231 .

[0158] (5) Push the transport vehicle backward so that the transport vehicle and the two traveling hoist trolleys 231 move to above the lower guide rail assembly 350 of the transfer guide rail unit 300, and use the traveling hoist trolley 231 to lower the transport vehicle onto the lower guide rail assembly 350 so that the traveling casters are just placed on the lower guide rail 351 of the transfer guide rail unit 300.

[0159] (6) Release the connection between the two traveling hoist trolleys 231 of the beam assembly 230 and the transport vehicle, connect the pulling device on the upper truss section 401 of the truss 400 to the rear end of the transport vehicle, and pass the cable of the pulling device over the guide member 361 to prevent the cable from falling and getting entangled with the transfer guide rail unit 300.

[0160] (7) Push the transport vehicle backward and cooperate with the lifting device to move the transport vehicle to the middle section guide rail assembly 330 and finally pull it up to the upper section guide rail assembly 310 (i.e., the upper end gantry tooling unit 100).

[0161] (8) When the transport vehicle moves to the upper guide rail assembly 310, the connection between the lifting device and the rear end of the transport vehicle is released.

[0162] For convenience of explanation and precise definition of the appended claims, the terms "upper", "lower", "inner", "outer", "above", "below", "upper", "lower", "upward", "downward", "front", "back", "behind", "inside", "outside", "inward", "outward", "inner", "exterior", "inner", "external", "forward", and "backward" are used to describe the features of the exemplary embodiments with reference to the positions of such features as shown in the accompanying drawings.

[0163] The foregoing description of the specific exemplary embodiments presented in the preceding is intended for the purpose of illustration and description. The foregoing description is not intended to be exhaustive or to be limited to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teachings. The exemplary embodiments were chosen and described in order to explain the principles of the application and its practical application and to enable others skilled in the art to understand the application for various exemplary embodiments and its various selection forms and modification forms. The scope of the application is defined by the following claims and their equivalents.

Claims

1. A safety hoisting tool for on-site renovation of escalators, characterized by: Comprising: an upper gantry assembly mounted to the upper truss section of the truss; a lower gantry assembly mounted to the lower truss section of the truss; a transfer rail assembly mounted to the upper truss section of the truss at its top end, mounted to the lower truss section of the truss at its bottom end, and mounted to the middle truss section of the truss at its middle section; and a lifting device mounted to the upper truss section of the truss; wherein during installation, the upper gantry assembly is capable of hoisting the lower escalator assembly to the transfer rail assembly, the lower escalator assembly is lowered under the control of the lifting device through the transfer rail assembly to the lower gantry assembly, and the upper escalator assembly is installed by the upper gantry assembly; or during installation, the lower gantry assembly is capable of hoisting the upper escalator assembly to the transfer rail assembly, the upper escalator assembly is lifted under the control of the lifting device through the transfer rail assembly to the upper gantry assembly, and the lower escalator assembly is installed by the lower gantry assembly.

2. An escalator in situ retrofit safety hoisting tool according to claim 1, characterized in that, The upper gantry assembly comprises: a fixed gantry end mounted to the upper truss section of the truss; a movable gantry end mounted to the upper truss section of the truss or to a superstructure above the truss; and a beam assembly connected at its front end to the midpoint of the fixed gantry end and at its rear end to the midpoint of the movable gantry end, the beam assembly being provided with two travelling block trolleys capable of sliding along the length of the beam assembly, the travelling block trolleys of the beam assembly being capable of hoisting the lower escalator assembly from the superstructure above to the transfer rail assembly.

3. An escalator in situ retrofit safety hoisting tool according to claim 2, characterized in that, The fixed gantry end and the movable gantry end each comprise: two parallel column assemblies, each column assembly comprising a column upper part and a column lower part, the column lower part being capable of being fitted into and sliding within the column upper part to adjust the height of the column assembly, the column assembly further comprising a top beam; and a gantry beam assembly connected at its two ends to the lower end faces of the top beams of the two parallel column assemblies; wherein the two parallel column assemblies of the fixed gantry end are mounted to the upper truss section of the truss, and the two parallel column assemblies of the movable gantry end are mounted to the upper truss section of the truss or to a superstructure above the truss.

4. An escalator in situ retrofit safety hoisting tool according to claim 3, characterized in that, The fixed gantry end and the movable gantry end each further comprise: a jack base capable of being detachably mounted at its two ends to the column lower parts of the two parallel column assemblies; a jack beam capable of being detachably mounted at its two ends to the column upper parts of the two parallel column assemblies; and a jack mounted on the jack base and the jack beam.

5. The escalator in-field retrofit safety hoisting tool of claim 1, wherein, The lower gantry assembly comprises: a fixed gantry end mounted to the lower truss section of the truss; a movable gantry end mounted to the lower truss section of the truss or to a superstructure below the truss; and a beam assembly connected at its rear end to the midpoint of the fixed gantry end and at its front end to the midpoint of the movable gantry end, the beam assembly being provided with two travelling block trolleys capable of sliding along the length of the beam assembly, the travelling block trolleys of the beam assembly being capable of hoisting the upper escalator assembly from the superstructure below to the transfer rail assembly.

6. An escalator in situ retrofit safety hoisting tool according to claim 5, characterized in that, The gantry fixed end and the gantry movable end each include; 2 vertical column assemblies, each vertical column assembly including a vertical column upper portion and a vertical column lower portion, the vertical column lower portion being capable of being sleeved in the vertical column upper portion and being capable of sliding in the vertical column upper portion to adjust the height of the vertical column assembly, the vertical column assembly further including a top cross beam; and A gantry beam assembly, two ends of the gantry beam assembly being respectively connected to lower end faces of the top cross beams of the 2 vertical column assemblies. The 2 vertical column assemblies of the gantry fixed end are mounted to the truss lower section of the truss, and the 2 vertical column assemblies of the gantry movable end are mounted to the truss lower section of the truss or a civil structure below the truss.

7. An escalator in situ retrofit safety hoisting tool according to claim 6, characterized in that, The gantry fixed end and the gantry movable end each further include; A jack base, two ends of the jack base being respectively detachably mounted to the vertical column lower portions of the 2 vertical column assemblies; A jack cross beam, two ends of the jack cross beam being respectively detachably mounted to the vertical column upper portions of the 2 vertical column assemblies; and A jack, the jack being mounted on the jack base and the jack cross beam.

8. The escalator in-field retrofit safety hoisting tool of claim 1, wherein, The transfer rail unit includes, in sequence, an upper section rail assembly, an upper bending position rail assembly, an intermediate section rail assembly, a lower bending position rail assembly, and a lower section rail assembly.

9. The escalator field modification safety hoisting tool of claim 8, wherein, The upper section rail assembly includes a horizontal upper section rail and at least two upper section support beams, the upper section support beams being mounted on the truss upper section of the truss and being arranged transversely, and the upper section rail being mounted on the upper section support beams; The upper bending position rail assembly includes an upper bending position rail and an upper bending position support beam, the upper bending position support beam being mounted on the truss upper section of the truss and being arranged transversely, and the upper bending position rail being mounted on the upper bending position support beam and one upper section support beam; The lower section rail assembly includes a horizontal lower section rail and a lower section support beam, the lower section support beam being mounted on the truss lower section of the truss and being arranged transversely, and the lower section rail being mounted on the lower section support beam; The lower bending position rail assembly includes a lower bending position rail and a lower bending position support beam, the lower bending position support beam being mounted on the truss lower section of the truss and being arranged transversely, and the lower bending position rail being mounted on the lower bending position support beam.

10. The escalator field modification safety hoist tool of claim 8, wherein, The intermediate section rail assembly includes a plurality of intermediate section rails, the intermediate section rails being mounted on the intermediate section support beams of the truss.

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