阅读说明：本技术 可调式自动扶梯中部支撑装置及其调节方法 (Adjustable escalator middle supporting device and adjusting method thereof ) 是由 李其朋 陈岁繁 王琪冰 李子露 邹俊 于 2019-11-29 设计创作，主要内容包括：本发明公开了一种可调式自动扶梯中部支撑装置及其调节方法,包括扶梯角度调整机构、扶梯高度调整机构和扶梯宽度调整机构,扶梯角度调整机构用于调节扶梯的支撑角度,扶梯高度调整机构用于调节扶梯的支撑高度,扶梯宽度调整机构用于调节扶梯的中间横梁宽度,两个扶梯高度调整机构分别安装在扶梯宽度调整机构的两端,扶梯角度调整机构和扶梯高度调整机构上均配置自锁结构,扶梯宽度调整机构的调节宽度按照扶梯宽度标准规律变化,且在宽度调节机构上配置轴向锁紧结构。本发明可以调节扶梯的支撑高度、支撑角度和中间横梁宽度；实现高度与角度调整完毕后的自锁；还可以实现调整宽度按照扶梯标准的规律变化,并有效防止调节完毕后的横梁二次轴向移动。(The invention discloses an adjustable escalator middle supporting device and an adjusting method thereof, and the adjustable escalator middle supporting device comprises an escalator angle adjusting mechanism, an escalator height adjusting mechanism and an escalator width adjusting mechanism, wherein the escalator angle adjusting mechanism is used for adjusting the supporting angle of an escalator, the escalator height adjusting mechanism is used for adjusting the supporting height of the escalator, the escalator width adjusting mechanism is used for adjusting the width of a middle cross beam of the escalator, the two escalator height adjusting mechanisms are respectively installed at two ends of the escalator width adjusting mechanism, self-locking structures are respectively arranged on the escalator angle adjusting mechanism and the escalator height adjusting mechanism, the adjusting width of the escalator width adjusting mechanism is changed according to the standard rule of the width of the escalator, and an axial locking structure is arranged on the width adjusting mechanism. The escalator can adjust the supporting height, the supporting angle and the width of the middle cross beam; self-locking after the height and angle adjustment is finished is realized; the width can be adjusted to change according to the standard rule of the escalator, and the secondary axial movement of the adjusted beam is effectively prevented.)

1. The utility model provides an automatic staircase middle part strutting arrangement with adjustable which characterized in that: the escalator comprises two escalator angle adjusting mechanisms which synchronously act, two escalator height adjusting mechanisms which synchronously act and an escalator width adjusting mechanism, wherein the escalator angle adjusting mechanisms are used for adjusting the supporting angle of an escalator, the escalator height adjusting mechanisms are used for adjusting the supporting height of the escalator, the escalator width adjusting mechanisms are used for adjusting the width of a middle cross beam of the escalator, the escalator angle adjusting mechanisms are installed at the top of the escalator height adjusting mechanisms, the two escalator height adjusting mechanisms are respectively installed at two ends of the escalator width adjusting mechanisms, the escalator angle adjusting mechanisms and the escalator height adjusting mechanisms are both provided with self-locking structures, the adjusting width of the escalator width adjusting mechanisms is changed according to the standard rule of the width of the escalator, and the width adjusting mechanisms are provided with axial locking structures.

2. The adjustable escalator middle support device according to claim 1, characterized in that: the angle adjusting mechanism comprises a connecting plate, a limiting nut, a first connecting rod, a square connector, an angle adjusting handle, an angle adjusting screw, a left end fixing block, a round sleeve, a pushing plate, an upper end connecting bolt, a second connecting rod, a rotating shaft, a support, a right end fixing block and a supporting plate, wherein the first connecting rod, the second connecting rod, the square connector, the support and the right end fixing block are symmetrically arranged along the central line of the connecting plate.

3. The adjustable escalator middle support device according to claim 2, characterized in that: angle adjusting screw and left end fixed block threaded connection form staircase angle adjustment mechanism's auto-lock structure, and angle adjusting screw front end is supporting the round cover of connection on advancing the board, advances two square connectors of fixed on the board, and two square connectors are respectively rotated the lower extreme of connecting rod through a pivot No. one, and the upper end of a connecting rod is rotated through No. two pivots with the upper end of No. two connecting rods and is connected, the upper end of No. two connecting rods still be equipped with connecting plate complex bulge, the lower extreme of No. two connecting rods rotates through No. three pivots and connects on the support, and the both ends of a pivot, No. two pivots and No. three pivots all are equipped with stop nut and prevent endwise slip.

4. The adjustable escalator middle support device according to claim 3, characterized in that: a first threaded hole is formed in the upper end protruding portion of the second connecting rod, and the second connecting rod and the connecting plate are fixed through the first threaded hole and an upper end connecting bolt.

5. The adjustable escalator middle support device according to claim 2, characterized in that: staircase height adjustment mechanism includes frame, slide wedge, No. two slide wedges, support column, sliding block, high adjusting screw and high adjustment handle, the frame is the L type, and the track groove has all been opened to two parts about it, supplies slide including slide wedge and No. two slide wedges respectively, forms staircase height adjustment mechanism's auto-lock structure through No. two screw holes and high adjusting screw threaded connection on the frame right side, No. two slide wedges pass through the sliding block and connect high adjusting screw, the top at a slide wedge is fixed to the support column, the top at the support column is fixed to the backup pad.

6. The adjustable escalator middle support device according to claim 5, characterized in that: the end part of the height adjusting screw rod is provided with a shaft shoulder, one end of the sliding block is provided with a clamping groove matched with the shaft shoulder, the right side of the rack is provided with a supporting block, the supporting block and the rack are integrally formed, and the second threaded hole is located in the supporting block.

7. The adjustable escalator middle support device according to claim 5, characterized in that: the frame is fixed on staircase width guiding mechanism, height adjusting screw passes through the sliding block and drives No. two slide wedges lateral shifting, and No. two slide wedges drive No. one slide wedge vertical movement, and No. one slide wedge drives the support column and goes up and down.

8. The adjustable escalator middle support device according to claim 5, characterized in that: staircase width guiding mechanism includes set screw, locking bolt, flexible connector and two crossbeams, crossbeam one end is passed through set screw and is connected in the frame, and two crossbeams penetrate through trompils around the flexible connector, open a plurality of spacing round holes that have interval arrangement on the crossbeam other end, open the screw thread regulation hole that has two spacing round holes of cooperation on the flexible connector, be connected with locking bolt on the screw thread regulation hole, the cooperation of locking bolt and spacing round hole forms staircase width guiding mechanism's axial locking structure.

9. The adjustable escalator middle support device according to claim 8, characterized in that: the limiting round holes are arranged on the cross beam at intervals according to the standard escalator width, a connector is arranged at one end of the cross beam, and the connector is fixed with the rack through fixing screws.

10. An adjusting method of an adjustable escalator middle support device according to claim 8, characterized in that:

when the angle of the escalator needs to be adjusted, the angle adjusting handle is rotated to drive the angle adjusting screw rod to rotate and advance, the angle adjusting screw rod pushes the round sleeve connected to the pushing plate, the round sleeve transmits the motion to the first connecting rod and the second connecting rod through the square connector, and the connecting plate is jacked up through the convex part on the second connecting rod, so that the connecting plate rotates by a certain angle; otherwise, resetting; after the adjustment is finished, the left end fixing block is in threaded connection with the angle adjusting screw rod, so that the mechanism has self-locking performance and is prevented from swinging;

when the height of the escalator needs to be adjusted, the height adjusting handle is rotated to drive the height adjusting screw rod, the height adjusting screw rod drives the sliding block, the sliding block pushes the second wedge, the second wedge drives the first wedge, the first wedge pushes the support column, and the support column jacks up a support plate in an angle adjusting mechanism connected with the support column, so that the height of the whole height adjusting mechanism is lifted; otherwise, resetting is carried out, in the resetting process, the shaft shoulder at the head of the height adjusting screw rod and the clamping groove on the sliding block enable the height adjusting screw rod to smoothly pull back the sliding block, and the sliding block is fixedly connected with the second wedge, so that the resetting reliability is ensured; after the adjustment is finished, the sliding block firmly props against the second wedge due to the self-locking property of the threaded connection between the rack and the height adjusting screw rod, and meanwhile, the structure is firmer and more reliable due to the self-locking property between the second wedge and the first wedge;

when the width of the escalator needs to be adjusted, the locking bolt is unscrewed, one end of the beam moves inwards or outwards in the telescopic connector, the beam moves to the width distance needing to be adjusted, the limiting round holes in the beam regularly arranged at intervals are aligned with the thread adjusting holes in the telescopic connector, and the locking bolt sequentially penetrates through the thread adjusting holes and the limiting round holes, so that the fixing effect is achieved.

Technical Field

The invention belongs to the technical field of escalators, and particularly relates to an adjustable escalator middle supporting device and an adjusting method thereof.

Background

Escalators have become more and more popular for use as a convenient and quick device. In order to ensure the stability of the escalator, an intermediate supporting device is additionally arranged if necessary. The middle supporting device of the existing escalator cannot meet the requirement that the supporting height, angle and width of the elevator can be adjusted at the same time, and can only realize height adjustment (such as CN201961994U and CN206126623U) through adjusting studs or hydraulic columns, or realize angle adjustment (such as CN20596815U) through adjusting bolts, or realize width adjustment (such as CN20596815U) through arranging connecting holes. This patent has creatively provided one kind can realize the regulation of automatic escalator intermediate device support height, support angle and support width simultaneously, satisfies not co-altitude, not co-angle and not co-width automatic escalator's support requirement.

Disclosure of Invention

In order to solve the defects and shortcomings in the prior art, the invention provides a ladder capable of adjusting the supporting height, the supporting angle and the width of a middle cross beam of the ladder; meanwhile, self-locking after the height and the angle are adjusted can be realized; the escalator width adjusting mechanism can realize that the adjusting width changes according to the standard rule of an escalator, is convenient to adjust, can effectively prevent the secondary axial movement of a cross beam after the adjustment is finished, and is a firm and reliable adjustable escalator middle supporting device and an adjusting method thereof.

The technical scheme of the invention is as follows: the utility model provides an automatic staircase middle part strutting arrangement with adjustable, includes staircase angular adjustment mechanism, the high guiding mechanism of staircase and an staircase width guiding mechanism of two synchronous motion, staircase angular adjustment mechanism is used for adjusting the support angle of staircase, staircase high guiding mechanism is used for adjusting the support height of staircase, staircase width guiding mechanism is used for adjusting the middle cross beam width of staircase, staircase angular adjustment mechanism installs at the top of staircase height adjusting mechanism, and two staircase height adjusting mechanism install respectively at staircase width guiding mechanism's both ends, all dispose self-locking structure on staircase angular adjustment mechanism and the staircase high guiding mechanism, staircase width guiding mechanism's regulation width changes according to staircase width standard rule, and disposes axial locking structure on width guiding mechanism.

The escalator support device can adjust the support height, the support angle and the width of the middle cross beam of the escalator; meanwhile, self-locking after the height and the angle are adjusted can be realized; the escalator width adjusting mechanism can realize that the width of adjustment changes according to the rule of escalator standard, conveniently adjusts, can effectively prevent to adjust the crossbeam secondary axial displacement after finishing simultaneously, and is firm reliable.

Preferably, the angle adjusting mechanism comprises a connecting plate, a limiting nut, a first connecting rod, a square connector, an angle adjusting handle, an angle adjusting screw, a left end fixing block, a round sleeve, a pushing plate, an upper end connecting bolt, a second connecting rod, a rotating shaft, a support, a right end fixing block and a supporting plate, wherein the first connecting rod, the second connecting rod, the square connector, the support and the right end fixing block which are matched with the first connecting rod and the second connecting rod are symmetrically arranged along the central line of the connecting plate.

The structure ensures that the adjustment of the escalator support angle by the escalator angle adjusting mechanism is more stable and reliable.

Preferably, angle adjusting screw and left end fixed block threaded connection form staircase angle guiding mechanism's auto-lock structure, and angle adjusting screw front end is supporting the round cover of connection on the propulsion board, fixes two square connectors on the propulsion board, and two square connectors are respectively rotated the lower extreme of connecting rod of connecting a through a pivot, and the upper end of connecting rod No. two are rotated through the pivot No. two and are connected, the upper end of connecting rod No. two still be equipped with connecting plate complex bulge, the lower extreme of connecting rod No. two is rotated through the pivot No. three and is connected on the support, and the both ends of pivot, pivot No. two and pivot No. three are all equipped with stop nut and prevent axial slip.

The structure enables the escalator angle adjusting mechanism to have self-locking performance, and prevents the angle from swinging.

Preferably, a first threaded hole is formed in the upper end protruding portion of the second connecting rod, and the second connecting rod and the connecting plate are fixed through the first threaded hole and an upper end connecting bolt.

The structure ensures the connection firmness and reliability between the second connecting rod and the connecting plate.

Preferably, staircase height adjustment mechanism includes frame, slide wedge, No. two slide wedges, support column, sliding block, height adjusting screw and altitude mixture control handle, the frame is the L type, has all opened the track groove in its upper and lower two parts, supplies respectively that slide including slide wedge and No. two slide wedges, forms staircase height adjustment mechanism's auto-lock structure through No. two screw holes and height adjusting screw threaded connection in the frame right side, No. two slide wedges pass through sliding block and connect height adjusting screw, the top at slide wedge is fixed to the support column, the top at the support column is fixed to the backup pad.

The structure ensures that the height adjusting mechanism of the escalator can adjust the supporting height of the escalator more stably and reliably; meanwhile, the escalator height adjusting mechanism has self-locking performance, and the phenomenon of sinking is prevented.

Preferably, the end of the height adjusting screw is provided with a shaft shoulder, one end of the sliding block is provided with a clamping groove matched with the shaft shoulder, the right side of the rack is provided with a supporting block, the supporting block and the rack are integrally formed, and the second threaded hole is located on the supporting block.

The structure is convenient for assembling the height adjusting screw rod, and further ensures the stability and reliability of the height adjusting screw rod for pushing the sliding block; and meanwhile, the connection firmness of the height adjusting screw rod when the sliding block is pulled to reset is ensured.

Preferably, the frame is fixed on staircase width adjustment mechanism, height adjusting screw passes through the sliding block and drives No. two slide wedges lateral shifting, and No. two slide wedges drive No. one slide wedge vertical movement, and No. one slide wedge drives the support column and goes up and down.

The structure further ensures the stability and reliability of the lifting of the height adjusting screw driving supporting column.

Preferably, staircase width guiding mechanism includes set screw, locking bolt, flexible connector and two crossbeams, crossbeam one end is passed through set screw and is connected in the frame, and two crossbeams penetrate through trompils around the flexible connector, open a plurality of spacing round holes that have interval arrangement on the crossbeam other end, open the screw thread regulation hole that has two spacing round holes of cooperation on the flexible connector, be connected with locking bolt on the screw thread regulation hole, the cooperation of locking bolt and spacing round hole forms staircase width guiding mechanism's axial locking structure.

The structure ensures that the width adjusting mechanism of the escalator can adjust the width of the middle cross beam of the escalator more stably and reliably; meanwhile, the secondary axial movement of the cross beam after the adjustment is finished can be effectively prevented, and the device is firm and reliable.

Preferably, the limiting round holes are arranged on the cross beam at intervals according to the standard escalator width, one end of the cross beam is provided with a connector, and the connector is fixed with the rack through a fixing screw.

Spacing round hole on the crossbeam sets up according to staircase width standard interval, therefore staircase width guiding mechanism can realize that the width of adjustment changes according to the rule of staircase standard, conveniently adjusts, omits loaded down with trivial details links such as measurement when adjusting.

An adjusting method of an adjustable escalator middle supporting device,

when the angle of the escalator needs to be adjusted, the angle adjusting handle is rotated to drive the angle adjusting screw rod to rotate and advance, the angle adjusting screw rod pushes the round sleeve connected to the pushing plate, the round sleeve transmits the motion to the first connecting rod and the second connecting rod through the square connector, and the connecting plate is jacked up through the convex part on the second connecting rod, so that the connecting plate rotates by a certain angle; otherwise, resetting; after the adjustment is finished, the left end fixing block is in threaded connection with the angle adjusting screw rod, so that the mechanism has self-locking performance and is prevented from swinging;

when the height of the escalator needs to be adjusted, the height adjusting handle is rotated to drive the height adjusting screw rod, the height adjusting screw rod drives the sliding block, the sliding block pushes the second wedge, the second wedge drives the first wedge, the first wedge pushes the support column, and the support column jacks up a support plate in an angle adjusting mechanism connected with the support column, so that the height of the whole height adjusting mechanism is lifted; otherwise, resetting is carried out, in the resetting process, the shaft shoulder at the head of the height adjusting screw rod and the clamping groove on the sliding block enable the height adjusting screw rod to smoothly pull back the sliding block, and the sliding block is fixedly connected with the second wedge, so that the resetting reliability is ensured; after the adjustment is finished, the sliding block firmly props against the second wedge due to the self-locking property of the threaded connection between the rack and the height adjusting screw rod, and meanwhile, the structure is firmer and more reliable due to the self-locking property between the second wedge and the first wedge;

when the width of the escalator needs to be adjusted, the locking bolt is unscrewed, one end of the beam moves inwards or outwards in the telescopic connector, the beam moves to the width distance needing to be adjusted, the limiting round holes in the beam regularly arranged at intervals are aligned with the thread adjusting holes in the telescopic connector, and the locking bolt sequentially penetrates through the thread adjusting holes and the limiting round holes, so that the fixing effect is achieved.

The escalator support device can adjust the support height, the support angle and the width of the middle cross beam of the escalator; meanwhile, self-locking after the height and the angle are adjusted can be realized; the escalator width adjusting mechanism can realize that the width of adjustment changes according to the rule of escalator standard, conveniently adjusts, can effectively prevent to adjust the crossbeam secondary axial displacement after finishing simultaneously, and is firm reliable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of an escalator angle adjusting mechanism according to the present invention;

FIG. 3 is a side schematic view of the escalator angle adjustment mechanism of the present invention;

FIG. 4 is a schematic structural view of the escalator height adjustment mechanism of the present invention;

FIG. 5 is a side schematic view of the escalator height adjustment mechanism of the present invention;

FIG. 6 is a schematic view of the structure of the frame according to the present invention;

FIG. 7 is a schematic structural view of an escalator width adjusting mechanism according to the present invention;

FIG. 8 is a schematic sectional view taken along line A-A in FIG. 7;

FIG. 9 is a schematic structural view of a cross member according to the present invention;

in the figure, 1, an escalator angle adjusting mechanism, 2, an escalator height adjusting mechanism, 3, an escalator width adjusting mechanism, 101, a connecting plate, 102, a limit nut, 103, a first connecting rod, 104, a square connecting head, 105, an angle adjusting handle, 106, an angle adjusting screw rod, 107, a left end fixing block, 108, a round sleeve, 109, a pushing plate, 110, an upper end connecting bolt, 111, a second connecting rod, 112, a first rotating shaft, 113, a support, 114, a right end fixing block, 115, a support plate, 116, a second rotating shaft, 117, a third rotating shaft, 201, a rack, 202, a first wedge, 203, a second wedge, a sliding block 204, a support column, 205, 206, a height adjusting screw rod, 207, a height adjusting handle, 208, a support block, 209, a shaft shoulder, 210, a clamping groove, 301, a fixing screw, 302, a locking bolt, 303, a telescopic connecting head, 304, a cross beam, 305 and a connecting head are arranged.

Detailed Description

The present invention will be described in further detail with reference to the attached drawings, but the present invention is not limited thereto.

As shown in fig. 1, an adjustable escalator middle supporting device comprises two synchronously-acting escalator angle adjusting mechanisms 1, two synchronously-acting escalator height adjusting mechanisms 2 and an escalator width adjusting mechanism 3.

As shown in fig. 2 and 3, the escalator angle adjusting mechanism 1 includes a connecting plate 101, a limit nut 102, a first connecting rod 103, a square connector 104, an angle adjusting handle 105, an angle adjusting screw 106, a left end fixing block 107, a round sleeve 108, a pushing plate 109, an upper end connecting bolt 110, a second connecting rod 111, a first rotating shaft 112, a support 113, a right end fixing block 114, a support plate 115, a second rotating shaft 116, and a third rotating shaft 117.

The first connecting rod 103, the second connecting rod 111, the square connecting head 104 matched with the first connecting rod, the support 113 and the right end fixing block 114 are symmetrically arranged along the center line of the connecting plate.

Angle adjusting screw 106 and left end fixed block 107 threaded connection form staircase angle guiding mechanism's self-locking structure, angle adjusting screw 106 front end is supporting the round cover 108 of connecting on propulsion board 109, two square connectors 104 of last fixed two of propulsion board 109, two square connectors 104 respectively rotate the lower extreme of connecting rod 103 through a pivot 112, the upper end of connecting rod 103 and the upper end of connecting rod 111 rotate through pivot 116 No. two and be connected, the upper end of connecting rod 111 still is equipped with the bulge with connecting plate 101 complex, the lower extreme of connecting rod 111 rotates through pivot 117 No. three and is connected on support 113, pivot 112 No. one, the both ends of pivot 116 No. two and pivot 117 No. three all are equipped with stop nut 102 and prevent axial slip. A first threaded hole is formed in the upper end protruding portion of the second connecting rod 111, and the second connecting rod 111 and the connecting plate 101 are fixed through the first threaded hole and an upper end connecting bolt 110.

When angle regulation is needed, the angle regulation handle 105 is rotated, so that the angle regulation screw 106 is driven to rotate and advance, the angle regulation screw 106 pushes the round sleeve 108 connected to the pushing plate 109, the round sleeve 108 moves to the first connecting rod 103 and the second connecting rod 111 through the square connector 104, the connecting plate 101 is jacked up through the convex part on the second connecting rod 111, so that the connecting plate rotates by a certain angle, after regulation is finished, because the left end fixing block 107 is in threaded connection with the angle regulation screw 106, the mechanism has self-locking performance, and the angle swing is prevented.

As shown in fig. 4 to 6, the escalator height adjusting mechanism 2 includes a frame 201, a first cam 202, a second cam 203, a support column 204, a slide block 205, a height adjusting screw 206, and a height adjusting handle 207. The frame 201 is L-shaped, and two track grooves are formed in the upper and lower parts of the frame, and are used for the first wedge 202 and the second wedge 203 to slide inside. The right side of the rack is connected with a height adjusting screw rod 206 through a second threaded hole to form a self-locking structure of the escalator height adjusting mechanism, a second wedge 203 is connected with the height adjusting screw rod 206 through a sliding block 205, a support column 204 is fixed at the top of the first wedge 202, and a support plate 115 is fixed at the top of the support column 204. The end of the height adjusting screw 206 is provided with a shaft shoulder 209, one end of the sliding block 205 is provided with a clamping groove 210 matched with the shaft shoulder 209, the right side of the rack 201 is provided with a supporting block 208, the supporting block 208 and the rack 201 are integrally formed, and the second threaded hole is positioned on the supporting block 208. The frame 201 is fixed on the escalator width adjustment mechanism, and height adjusting screw 206 passes through sliding block 205 and drives No. two wedges 203 lateral shifting, and No. two wedges 203 drive No. one wedge 202 vertical movement, and No. one wedge 202 drives support column 204 and goes up and down.

When the height is adjusted, the height adjusting handle 207 is rotated to drive the height adjusting screw rod 206, the height adjusting screw rod 206 drives the sliding block 205, the sliding block 208 drives the second wedge 203, the second wedge 203 drives the first wedge 202, the first wedge 202 drives the supporting column 204, and the supporting column 204 jacks up the supporting plate 115 in the angle adjusting mechanism connected with the supporting column 204, so that the height of the whole height adjusting mechanism is increased.

The first wedge 202 of the escalator height adjusting mechanism 2 raises the height of the whole device by pushing the support column 204. Meanwhile, due to the self-locking property of the threaded connection between the frame 201 and the height adjusting screw 206, the sliding block is firmly propped against the second wedge 203, and the second wedge 203 is firmly propped against the first wedge 202 to prevent sinking, so that the structure is firmer and more reliable.

As shown in fig. 7 to 9, the escalator width adjusting mechanism 3 includes a fixing screw 301, a locking bolt 302, a telescopic connector 303, and two cross members 304.

One end of the cross beam 304 is connected to the frame 201 through a fixing screw 301, the two cross beams 304 penetrate through the front and rear holes of the telescopic connector 303, and the cross beam 304 is provided with spacing round holes arranged at intervals. Spacing round hole interval changes according to current staircase standard rule, and flexible connector upper end is opened has two screw holes, is connected with locking bolt 302, and the one end of crossbeam 304 is equipped with connector 305, and connector 305 is fixed with frame 201 through set screw 301.

When the width that adjustment crossbeam 304 needs to support, make crossbeam 304 move inwards or outwards, remove to the width distance that needs to adjust, spacing round hole on the crossbeam of interval rule arrangement this moment is aligned with the screw thread adjusting hole on the telescopic joint head, and locking bolt 302 passes screw thread adjusting hole and spacing round hole in proper order to play the fixed action.

Because the open pore on the middle cross beam is arranged according to the standard width interval of the escalator, the width adjusting mechanism can realize that the width can be adjusted to change according to the standard rule of the escalator, the adjustment is convenient, and complicated links such as measurement during the adjustment are omitted. Meanwhile, the secondary axial movement of the cross beam after the adjustment is finished can be effectively prevented, and the device is firm and reliable.

An adjusting method of an adjustable escalator middle supporting device,

when the angle of the escalator needs to be adjusted, the angle adjusting handle is rotated to drive the angle adjusting screw rod to rotate and advance, the angle adjusting screw rod pushes the round sleeve connected to the pushing plate, the round sleeve transmits the motion to the first connecting rod and the second connecting rod through the square connector, and the connecting plate is jacked up through the convex part on the second connecting rod, so that the connecting plate rotates by a certain angle; otherwise, resetting; after the adjustment is finished, the left end fixing block is in threaded connection with the angle adjusting screw rod, so that the mechanism has self-locking performance and is prevented from swinging;

when the height of the escalator needs to be adjusted, the height adjusting handle is rotated to drive the height adjusting screw rod, the height adjusting screw rod drives the sliding block, the sliding block pushes the second wedge, the second wedge drives the first wedge, the first wedge pushes the support column, and the support column jacks up a support plate in an angle adjusting mechanism connected with the support column, so that the height of the whole height adjusting mechanism is lifted; otherwise, resetting is carried out, in the resetting process, the shaft shoulder at the head of the height adjusting screw rod and the clamping groove on the sliding block enable the height adjusting screw rod to smoothly pull back the sliding block, and the sliding block is fixedly connected with the second wedge, so that the resetting reliability is ensured; after the adjustment is finished, the sliding block firmly props against the second wedge due to the self-locking property of the threaded connection between the rack and the height adjusting screw rod, and meanwhile, the structure is firmer and more reliable due to the self-locking property between the second wedge and the first wedge;

when the width of the escalator needs to be adjusted, the locking bolt is unscrewed, one end of the beam moves inwards or outwards in the telescopic connector, the beam moves to the width distance needing to be adjusted, the limiting round holes in the beam regularly arranged at intervals are aligned with the thread adjusting holes in the telescopic connector, and the locking bolt sequentially penetrates through the thread adjusting holes and the limiting round holes, so that the fixing effect is achieved.

The escalator height adjusting mechanism, the escalator angle adjusting mechanism and the escalator width adjusting mechanism are combined together, wherein a pair of wedges designed in the escalator height adjusting mechanism have self-locking performance, and meanwhile, a threaded hole in the right part of the rack and the height adjusting screw have self-locking performance, so that double self-locking after the height adjustment is finished can be realized. In the escalator angle adjusting mechanism, a threaded hole is formed in the left end fixing block, the left end fixing block and an angle adjusting screw form self-locking, and locking can be achieved after angle adjustment is finished. In the escalator width adjusting mechanism, the locking nuts are matched with the cross beam through a plurality of limiting round holes, so that the width can be adjusted to change according to the standard law of escalator width, and the axial movement of the cross beam can be effectively prevented.

The escalator support frame can meet the support requirements of escalators with different heights, different angles and different widths.