Ladder body gap adjusting device for passenger airstairs

Abstract

The utility model relates to the technical field of ladder body gap adjustment, in particular to a passenger boarding ladder body gap adjusting device which comprises a connecting frame, a roller and an adjusting assembly, the roller is installed on the connecting frame through the adjusting assembly, the adjusting assembly comprises a pin shaft, a swing plate, a pin rod, an adjusting block, a control component and a connecting component, and the pin shaft is rotationally connected with the connecting frame. The pin rod penetrates through the connecting frame and is fixedly connected with the swing plate, the adjusting block is in sliding connection with the connecting frame and is located on the side, away from the swing plate, of the connecting frame, the control component controls the adjusting block to move, and the connecting component is connected with the pin rod and the adjusting block. The problems that in the prior art, due to the fact that a hole disc is fixed in the mode that a bolt is matched with the hole disc, the hole disc can only rotate at a fixed angle, the adjusting step length is determined by the distribution position of hole positions, and accurate micro adjustment is difficult to achieve are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ladder body gap adjustment technical field especially relates to a passenger boarding ladder ladder body gap adjustment device. BACKGROUND

[0002] Passenger boarding ladder ladder body is composed of fixed ladder and telescopic ladder, telescopic ladder carries out lifting movement relative to fixed ladder, when telescopic ladder moves, the roller installed on telescopic ladder rolls in fixed ladder channel steel, the gap between roller and channel steel wall influences the stability of ladder body movement, load bearing and the stability of passenger boarding ladder performance such as ladder body passenger carrying.

[0003] The prior art CN221623962U discloses a passenger boarding ladder ladder body gap adjustment device, which comprises a mounting plate, a connecting frame, a moving plate, a matching component, a contact component and a limiting component.

[0004] For the passenger boarding ladder ladder body gap adjustment device, the hole disc is fixed by adopting the bolt and hole disc cooperation mode, the hole disc can only rotate at a fixed angle, the step of adjustment is determined by the distribution position of the hole position, and accurate small adjustment is difficult to realize. UTILITY MODEL CONTENTS

[0005] The utility model discloses a passenger boarding ladder ladder body gap adjustment device, solves the problem that the prior art is fixed to the hole disc by adopting the bolt and hole disc cooperation mode, the hole disc can only rotate at a fixed angle, the step of adjustment is determined by the distribution position of the hole position, and accurate small adjustment is difficult to realize.

[0006] In order to achieve the above object, the utility model provides a passenger boarding bridge body gap adjusting device, including connecting frame, gyro wheel and adjusting assembly, the gyro wheel passes through the adjusting assembly is installed on the connecting frame, the adjusting assembly includes pin shaft, swing board, pin rod, adjusting block, control component and connecting component, the pin shaft with the connecting frame rotation connection, and located one side of the connecting frame, the swing board with the pin shaft fixed connection, the gyro wheel rotation is installed on the swing board, the pin rod passes through the connecting frame, and with swing board fixed connection, the adjusting block with the connecting frame sliding connection, and located one side of the connecting frame away from the swing board, the control component controls the adjusting block moves, the connecting component connects the pin rod with the adjusting block.

[0007] Wherein, the connecting frame has sliding groove, the sliding groove is located at the connecting frame close to the adjusting block one side;The adjusting block has the protruding, the protruding with the sliding groove cooperation.

[0008] Wherein, the control component includes installation support, adjusting screw rod and locking nut, the installation support with the connecting frame fixed connection, and located at the connecting frame close to the adjusting block one side;The adjusting screw rod with the installation support rotation connection, and with the adjusting block screw connection;The locking nut is set in the adjusting screw rod outside, and with the adjusting screw rod screw connection.

[0009] Wherein, the connecting component includes first hinge seat, second hinge seat and support rod piece, the first hinge seat with the adjusting block fixed connection, and located at the adjusting block away from the protruding one side;The second hinge seat with the pin rod fixed connection, and located at the pin rod away from the swing board one end;The support rod piece connects the first hinge seat with the second hinge seat.

[0010] Wherein, the support rod piece includes first connecting rod, second connecting rod and adjusting screw sleeve, the first connecting rod rotation is installed on the first hinge seat;The second connecting rod rotation is installed on the second hinge seat;The adjusting screw sleeve rotation is installed on the first connecting rod, and with the second connecting rod screw connection.

[0011] The utility model discloses a passenger boarding bridge body gap adjusting device, including connecting frame, gyro wheel and adjusting assembly, the gyro wheel passes through adjusting assembly and installs on connecting frame, adjusting assembly includes pin shaft, swing board, pin rod, adjusting block, control component and connecting component, pin shaft with connecting frame rotatory connection is located one side of connecting frame, swing board with pin shaft fixed connection, gyro wheel rotatory installation is located on swing board, pin rod passes through connecting frame with swing board fixed connection, adjusting block with connecting frame sliding connection is located one side of connecting frame away from swing board, control component controls adjusting block moves, connecting component connects pin rod with adjusting block, has solved the prior art because is the way of bolt and hole disc cooperation to hole disc fixed, and hole disc can only rotate with fixed angle, and its step of adjusting is decided by the distribution position of hole position, and the problem that accurate tiny adjustment is difficult to realize is solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, below will be to the drawing needed to be used in the embodiment or prior art description briefly introduced.

[0013] Figure 1 It is the overall structure schematic diagram of passenger boarding bridge body gap adjusting device of the utility model.

[0014] Figure 2 It is the structure schematic diagram of gyro wheel of the utility model.

[0015] Figure 3 It is the structure schematic diagram of connecting frame and adjusting block of the utility model.

[0016] Figure 4 It is the structure schematic diagram of connecting component of the utility model.

[0017] Figure 5 It is the structure schematic diagram of first connecting rod, second connecting rod and adjusting threaded sleeve of the utility model.

[0018] In the drawing: 101-connecting frame, 102-gyro wheel, 103-pin shaft, 104-swing board, 105-pin rod, 106-adjusting block, 107-sliding groove, 108-protruding, 109-mounting support, 110-adjusting screw rod, 111-locking nut, 112-first hinge seat, 113-second hinge seat, 114-first connecting rod, 115-second connecting rod, 116-adjusting threaded sleeve. DETAILED DESCRIPTION

[0019] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, the embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0020] The present application is:

[0021] Please refer to Figures 1-5 , Figure 1 is the overall structure schematic diagram of the passenger boarding bridge body gap adjusting device of the present application, Figure 2 is the structure schematic diagram of the roller 102 of the present application, Figure 3 is the structure schematic diagram of the connecting frame 101 and the adjusting block 106 of the present application, Figure 4 is the structure schematic diagram of the connecting member of the present application, Figure 5 is the structure schematic diagram of the first connecting rod 114, the second connecting rod 115 and the adjusting threaded sleeve 116 of the present application.

[0022] The passenger boarding bridge body gap adjusting device of the present application comprises a connecting frame 101, a roller 102, a pin shaft 103, a swing plate 104, a pin rod 105, an adjusting block 106, a sliding groove 107, a protrusion 108, a mounting bracket 109, an adjusting screw rod 110, a locking nut 111, a first hinge base 112, a second hinge base 113, a first connecting rod 114, a second connecting rod 115 and an adjusting threaded sleeve 116, which solves the problem that the hole disc can only rotate at a fixed angle and the step of adjustment is determined by the distribution position of the hole position in the prior art, and it is difficult to realize accurate and small adjustment.

[0023] In the present embodiment, the connecting frame 101 and the roller 102 are both prior art, and the adjusting assembly is used to improve the adjusting accuracy, thereby solving the problem that the hole disc can only rotate at a fixed angle and the step of adjustment is determined by the distribution position of the hole position in the prior art.

[0024] The pin shaft 103 is rotatably connected with the connecting frame 101 and located at one side of the connecting frame 101, the swing plate 104 is fixedly connected with the pin shaft 103, the roller 102 is rotatably installed on the swing plate 104, the pin rod 105 penetrates through the connecting frame 101 and is fixedly connected with the swing plate 104, the adjusting block 106 is slidably connected with the connecting frame 101 and located at a side of the connecting frame 101 away from the swing plate 104, the control member controls the movement of the adjusting block 106, the connecting member connects the pin rod 105 and the adjusting block 106, the number of the pin shaft 103 is two, penetrating through the connecting frame 101 and rotatably installed on the connecting frame 101, the number of the swing plate 104 is two, two swing plates 104 are respectively fixedly connected with the ends of the two pin shafts 103, the number of the roller 102 is two, two rollers 102 are respectively rotatably installed at the ends of the swing plates 104 and used for contacting the inner wall of the steel groove frame, through the rotation of the swing plate 104, the roller 102 can move to realize the position adjustment, an arc-shaped through groove is formed in the connecting frame 101, the number of the pin rod 105 is two, two pin rods 105 penetrate through the arc-shaped through groove and are respectively fixedly connected with the two swing plates 104, the adjusting block 106 is a rectangular block, installed on the connecting frame 101 and can move along a straight line, the control member is used for controlling the movement of the adjusting block 106, the connecting member is two groups and used for connecting the two pin rods 105 and the adjusting block 106, through the movement of the adjusting block 106, the two pin rods 105 can synchronously drive the rotation of the two swing plates 104, so that the position adjustment of the two rollers 102 is realized, through the control of the movement distance of the adjusting block 106, the position of the two rollers 102 can be adjusted, the adjustment precision is high, and the problem that in the prior art, the hole disc is fixed by adopting the bolt and hole disc cooperation mode, the hole disc can only rotate at a fixed angle, the step of adjustment is determined by the distribution position of the hole position, and it is difficult to realize accurate and slight adjustment is solved.

[0025] Secondly, the sliding groove 107 is located at a side of the connecting frame 101 close to the adjusting block 106; the protrusion 108 is matched with the sliding groove 107, the sliding groove 107 is a T-shaped groove and is horizontally formed along the length direction of the connecting frame 101, the protrusion 108 can slide in the sliding groove 107, through the cooperation of the sliding groove 107 and the protrusion 108, the adjusting block 106 can move along a straight line on the connecting frame 101.

[0026] Meanwhile, the mounting bracket 109 is fixedly connected with the connecting frame 101 and located at one side of the connecting frame 101 close to the adjusting block 106; the adjusting screw rod 110 is rotatably connected with the mounting bracket 109 and threadedly connected with the adjusting block 106; the locking nut 111 is sleeved outside the adjusting screw rod 110 and threadedly connected with the adjusting screw rod 110; the mounting bracket 109 is a bearing bracket, the number of which is two, and the mounting bracket 109 is arranged at two ends of the adjusting screw rod 110 respectively to provide stable support for the adjusting screw rod 110; a threaded hole is formed in the adjusting block 106, the adjusting screw rod 110 penetrates through the threaded hole and is threadedly connected with the adjusting block 106, the locking nut 111 is sleeved outside the adjusting screw rod 110, the locking nut 111 is tightened, the locking nut 111 abuts against the adjusting block 106, and thus the position of the adjusting block 106 can be locked; the adjusting screw rod 110 is twisted, the adjusting block 106 is driven to move, and the position is adjusted.

[0027] In addition, the first hinge base 112 is fixedly connected with the adjusting block 106 and located at one side of the adjusting block 106 away from the protrusion 108; the second hinge base 113 is fixedly connected with the pin rod 105 and located at one end of the pin rod 105 away from the swing plate 104; the support rod member connects the first hinge base 112 and the second hinge base 113, the number of the first hinge base 112 is two, and the first hinge base 112 is fixedly arranged on the adjusting block 106 and moves with the adjusting block 106, the number of the second hinge base 113 is two, and the second hinge base 113 is arranged at the end of the pin rod 105 respectively, and the support rod member is two groups and is used for connecting the first hinge base 112 and the second hinge base 113, the adjusting block 106 is driven to move through the connecting member, and the pin rod 105 is driven to move.

[0028] Finally, the first connecting rod 114 is rotatably arranged on the first hinge base 112; the second connecting rod 115 is rotatably arranged on the second hinge base 113; the adjusting threaded sleeve 116 is rotatably arranged on the first connecting rod 114 and threadedly connected with the second connecting rod 115, the adjusting threaded sleeve 116 is sleeved at the end of the first connecting rod 114 and rotatably connected with the first connecting rod 114, the end of the second connecting rod 115 is provided with external threads, the adjusting threaded sleeve 116 is provided with internal threads, the first connecting rod 114 and the second connecting rod 115 are connected through the adjusting threaded sleeve 116, the connecting length of the first connecting rod 114 and the second connecting rod 115 is adjusted by twisting the adjusting threaded sleeve 116, and the positions of the two rollers 102 are independently adjusted.

[0029] In the embodiment, when adjusting, the adjusting screw 110 is screwed by a tool, so that the adjusting block 106 moves towards the direction of the pin shaft 103, the two rollers 102 are synchronously expanded outward until contacting the inner wall of the steel tank frame, then the locking nut 111 is tightened to abut against the adjusting block 106, when the positions of the two rollers 102 to be adjusted are different, the adjusting screw sleeve 116 is screwed to change the connection length between the first connecting rod 114 and the second connecting rod 115, so that the two rollers 102 change different positions with the movement of the adjusting block 106. The position of the two rollers 102 can be adjusted by controlling the movement distance of the adjusting block 106, the adjusting precision is high, and the problem that the hole disc can only rotate at a fixed angle and the adjusting step is determined by the distribution position of the hole position in the prior art is solved.

[0030] The above only discloses one or more preferred embodiments of the application, and cannot limit the scope of the right of the application. Those skilled in the art can understand that the whole or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the application still belong to the scope covered by the application.

Claims

1. A passenger boarding bridge body gap adjusting device, comprising a connecting frame, characterized in that, further comprising an adjusting assembly and a roller, the roller being installed on the connecting frame through the adjusting assembly; the adjusting assembly comprises a pin shaft, a swing plate, a pin rod, an adjusting block, a control member and a connecting member, the pin shaft is rotationally connected with the connecting frame and located at one side of the connecting frame, the swing plate is fixedly connected with the pin shaft, the roller is rotationally installed on the swing plate, the pin rod penetrates through the connecting frame and is fixedly connected with the swing plate, the adjusting block is slidingly connected with the connecting frame and located at a side of the connecting frame away from the swing plate, the control member controls the movement of the adjusting block, and the connecting member connects the pin rod and the adjusting block.

2. The passenger boarding bridge body gap adjusting device according to claim 1, characterized in that, the connecting frame has a sliding groove, the sliding groove is located at a side of the connecting frame close to the adjusting block; and the adjusting block has a protrusion, the protrusion is matched with the sliding groove.

3. The passenger boarding bridge body gap adjusting device according to claim 1, characterized in that, the control member comprises a mounting bracket, an adjusting screw and a locking nut, the mounting bracket is fixedly connected with the connecting frame and located at a side of the connecting frame close to the adjusting block, the adjusting screw is rotationally connected with the mounting bracket and threadedly connected with the adjusting block, and the locking nut is sleeved outside the adjusting screw and threadedly connected with the adjusting screw.

4. The passenger boarding bridge body gap adjusting device according to claim 2, characterized in that, the connecting member comprises a first hinge base, a second hinge base and a support rod, the first hinge base is fixedly connected with the adjusting block and located at a side of the adjusting block away from the protrusion, the second hinge base is fixedly connected with the pin rod and located at an end of the pin rod away from the swing plate, and the support rod connects the first hinge base and the second hinge base.

5. The passenger boarding bridge body gap adjusting device according to claim 4, characterized in that, the support rod comprises a first connecting rod, a second connecting rod and an adjusting threaded sleeve, the first connecting rod is rotationally installed on the first hinge base, the second connecting rod is rotationally installed on the second hinge base, and the adjusting threaded sleeve is rotationally installed on the first connecting rod and threadedly connected with the second connecting rod.

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