Hanging scaffold fixing device for vertical shaft pouring construction

Abstract

The utility model discloses a hanging scaffold fixing device for vertical shaft pouring construction, which comprises a fixed seat and a roller which are arranged on a hanging scaffold, two turning plates are correspondingly arranged on one side of the fixed seat front and back, and the lower ends of the turning plates are rotatably connected to the fixed seat; the two ends of the rotating shaft are rotationally connected to the top ends, close to the outer sides, of the front turning plate and the rear turning plate respectively; an overturning driving assembly is horizontally mounted on the fixed seat, and the action end of the overturning driving assembly is connected with the upper end of the overturning plate; a friction roller is further coaxially and fixedly arranged on the rotating shaft, two arc-shaped friction plates are symmetrically arranged at the upper end and the lower end of the friction roller respectively, and the friction plates are connected with a brake driving assembly installed on the turning plate. According to the device, the lifting stability of the hanging scaffold can be effectively improved, the excellent anti-falling emergency braking capacity is achieved, and the safety performance of the hanging scaffold during movement is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mine equipment field, concretely relates to a hanging platform fixing device for vertical shaft pouring construction. BACKGROUND

[0002] The hanging platform is a lifting workbench suspended in the shaft, and the fixing device is installed on the outer edge of the hanging platform and is in sliding abutment with the shaft wall by using the rollers, and is used for stabilizing the lifting of the hanging platform. In the lifting movement of the hanging platform, if an emergency falling occurs, the rollers on the fixing device need to be braked in emergency, so as to effectively prevent the falling in emergency. However, the existing hanging platform fixing device has unstable structure, poor anti-falling brake performance and low safety performance. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the problems in the prior art, the utility model aims to provide a hanging platform fixing device for vertical shaft pouring construction, which can effectively improve the lifting stability of the hanging platform, has excellent emergency braking capability against falling, and significantly improves the safety performance of the hanging platform in movement.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A hanging platform fixing device for vertical shaft pouring construction, comprising a fixing seat and a roller installed on the hanging platform, two flaps are arranged on one side of the fixing seat in front and back correspondence, and the lower end of the flap is rotatably connected to the fixing seat; the roller is coaxially fixed to the rotating shaft, and the two ends of the rotating shaft are rotatably connected to the outer top end of the front and rear flaps; a turnover driving assembly is horizontally installed on the fixing seat, and the action end of the turnover driving assembly is connected to the upper end of the flap; a friction roller is coaxially fixed on the rotating shaft, two arc-shaped friction plates are symmetrically arranged on the upper and lower ends of the friction roller, and the friction plates are connected to the brake driving assembly installed on the flap.

[0006] Preferably, the flap adopts an L-shaped structure, the vertical part of the flap is rotatably connected to the fixing seat at the lower end, the roller is installed at the right angle of the flap, and the turnover driving assembly is connected to the side end of the horizontal part of the flap.

[0007] Preferably, the turnover driving assembly comprises a screw rod horizontally installed on the fixing seat, the screw rod is connected to the power of the driving motor, a moving block is threadedly sleeved on the screw rod, one end of a top rod rotatably connected to the moving block is upwardly and obliquely rotatably connected to the hinge rod between the side ends of the horizontal parts of the two flaps.

[0008] Preferably, a sliding groove is parallelly arranged on the bottom of the fixing seat and the screw rod, and the lower side of the moving block is slidingly clamped in the sliding groove.

[0009] Preferably, the sliding groove is a T-shaped groove, a clamping part in T-shaped structure is arranged on the bottom of the moving block, and the clamping part is slidingly clamped in the T-shaped groove.

[0010] Preferably, the brake driving assembly comprises a telescopic cylinder, a horizontally arranged upper pressing plate and a lower pressing plate, the upper friction plate is fixed at the bottom of the upper pressing plate, one end of the upper pressing plate is rotationally connected to the flap near the friction roller, and the other end of the upper pressing plate is rotationally connected to the upper end of the first connecting rod; the lower friction plate is fixed at the top of the lower pressing plate, the end of the lower pressing plate near the first connecting rod is rotationally connected to the flap, and the other end of the lower pressing plate is rotationally connected to the upper end of the second connecting rod; a third connecting rod is horizontally arranged below the lower pressing plate, the lower end of the first connecting rod is vertically and downward rotationally connected to the end of the third connecting rod, the lower end of the second connecting rod is vertically and downward rotationally connected to the middle of the third connecting rod, and the middle of the third connecting rod between the first connecting rod and the second connecting rod is rotationally connected to the flap; the tail of the telescopic cylinder is rotationally connected to the flap, and the piston rod of the head of the telescopic cylinder is rotationally connected to the end of the third connecting rod away from the first connecting rod.

[0011] Preferably, the friction plate is detachably fixed on the upper pressing plate and the lower pressing plate through a bolt structure.

[0012] The utility model has the beneficial effect that:

[0013] 1. When the driving motor drives the screw rod to rotate, the movable block can be driven to move horizontally to the right, and then the toggle lever pushes the flap to rotate clockwise around the lower rotationally connected part, and then the roller installed on the flap abuts against the mine wall, so that the stability of the lifting platform during lifting can be improved, and the shaking in the horizontal direction can be avoided.

[0014] 2. The cooperation of the clamping part and the sliding groove on the fixing seat can effectively limit the horizontal movement of the movable block, so that the movement stability of the movable block can be improved.

[0015] 3. During the lifting operation of the lifting platform, if an emergency such as falling occurs, the third connecting rod is driven by the telescopic cylinder to rotate clockwise around the middle rotationally connected part, the upper pressing plate on the right end of the third connecting rod is driven by the first connecting rod to swing downward, the lower pressing plate on the left side of the third connecting rod is driven by the second connecting rod to swing upward, and then the arc surface of the upper and lower friction plates is locked with the friction roller coaxially connected with the roller, so that the quick braking of the friction roller and the roller can be realized, the friction between the roller and the mine wall is increased, the emergency braking operation of the whole lifting platform is realized, and the safety performance of the lifting platform operation is improved.

[0016] 4. The friction plate is detachably fixed on the upper pressing plate and the lower pressing plate through a bolt structure, so that the replacement and disassembly of the friction plate are more convenient, and the later operation and maintenance of the device are more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1The utility model discloses a structure schematic drawing of the utility model;

[0018] Figure 2 The utility model discloses the installation schematic drawing of the utility model overturning drive assembly.

[0019] Figure 3 The utility model discloses the installation schematic drawing of the utility model brake drive assembly.

[0020] Figure 4 The utility model discloses the installation schematic drawing of the utility model gyro wheel and friction roller. Specific implementation

[0021] The principle and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not to limit the use range of the utility model.

[0022] As Figures 1-4 The utility model discloses a kind of hanging plate fixing device for vertical shaft pouring construction, including fixed seat 1 and gyro wheel 3, the bottom of fixed seat 1 is fixed on hanging plate.The right side of fixed seat 1 is provided with two corresponding flap 2, flap 2 adopts L type structure, the vertical portion lower end of flap 2 is rotatably connected in fixed seat 1, gyro wheel 3 is coaxially fixedly connected in rotating shaft 31, the two ends of rotating shaft 31 are rotatably connected at the right angle of front and rear two flap 2, overturning drive assembly is horizontally installed on fixed seat 1, the side end of the action end of overturning drive assembly and flap 2 horizontal part is connected.Overturning drive assembly includes screw rod 44 horizontally installed on fixed seat 1 left and right, the end of screw rod 44 is connected with the power of drive motor 41, mobile block 43 is threadedly sleeved on screw rod 44, the lower end of top rod 42 is rotatably connected on mobile block 43 top, hinged rod 21 is fixedly connected between the horizontal part left end of two flap 2, the upper end of top rod 42 is rotatably connected on hinged rod 21 right side obliquely upwards.

[0023] When drive motor 41 of the application drives screw rod 44 to rotate, mobile block 43 can be driven to move horizontally to the right, and then push flap 2 using top rod 42 to rotate clockwise to the right with the lower rotatable connection as center, and then the gyro wheel 3 installed on flap 2 abuts against mine wall, so that the stability during lifting of hanging plate can be improved, and ensure that it does not shake in horizontal direction.

[0024] The bottom of fixed seat 1 is parallel with screw rod 44 and is provided with sliding groove 10, and the lower part of mobile block 43 is slidably clamped in sliding groove 10. Sliding groove 10 is a T-shaped groove, and the bottom of mobile block 43 is provided with a T-shaped clamping portion 431, which is slidably clamped in the T-shaped groove. By cooperating the clamping portion 431 with the sliding groove 10 on the fixed seat 1, the horizontal movement of the mobile block 43 can be effectively limited, thereby significantly improving the movement stability of the mobile block 43.

[0025] The friction roller 32 is coaxially fixed on the rotating shaft 31, and two arc-shaped friction plates 6 are symmetrically arranged at the upper and lower ends of the friction roller 32, and the friction plates 6 are connected with the brake driving assembly arranged on the flap 2. The brake driving assembly comprises a vertically arranged telescopic cylinder 64, a horizontally arranged upper pressing plate 51 and a lower pressing plate 52, the upper friction plate 6 is fixed on the bottom of the upper pressing plate 51, the left end of the upper pressing plate 51 is rotatably connected to the flap 2 close to the friction roller 32, and the right end of the upper pressing plate 51 is rotatably connected to the upper end of the first connecting rod 61; the lower friction plate 6 is fixed on the top of the lower pressing plate 52, the lower pressing plate 52 is rotatably connected to the same flap 2 close to the right end of the first connecting rod 61, and the left end of the lower pressing plate 52 is rotatably connected to the upper end of the second connecting rod 62; the third connecting rod 63 is horizontally arranged below the lower pressing plate 52, the lower end of the first connecting rod 61 is vertically and downward rotatably connected to the right end of the third connecting rod 63, the lower end of the second connecting rod 62 is vertically and downward rotatably connected to the left middle part of the third connecting rod 63, and the middle part of the third connecting rod 63 between the first connecting rod 61 and the second connecting rod 62 is rotatably connected to the same flap 2. The tail of the telescopic cylinder 64 is rotatably connected to the same flap 2, and the piston rod of the head of the telescopic cylinder 64 is rotatably connected to the left end of the third connecting rod 63. The telescopic cylinder 64 adopts the hydraulic cylinder structure in the prior art.

[0026] When the hanger plate encounters an emergency situation such as falling during the lifting operation, the third connecting rod 63 is driven by the telescopic cylinder 64 to rotate clockwise around the middle rotating connection, the right end of the third connecting rod 63 drives the upper pressing plate 51 on the upper side to swing downward through the first connecting rod 61, the left side of the third connecting rod 63 drives the lower pressing plate 52 to be lifted upward through the second connecting rod 62, so that the arc-shaped surfaces of the upper and lower friction plates 6 are locked with the friction roller 32 coaxially fixed on the roller 3, so that the friction roller 32 and the roller 3 can be quickly braked, and the friction between the roller 3 and the mine wall is increased, so that the emergency braking operation of the whole hanger plate is realized, and the safety performance of the hanger plate operation is significantly improved.

[0027] In addition, the friction plates 6 are detachably fixed on the upper pressing plate 51 and the lower pressing plate 52 through the bolt structure, so that the replacement and disassembly of the friction plates 6 are more convenient, and the later operation and maintenance of the device are more beneficial.

[0028] When the utility model is used, multiple fixing devices of the application can be installed on the hanging disc at different angles, the controller is used to control the driving motor 41 on each fixing device to move synchronously, the corresponding screw rod 44 drives the moving block 43, the jacking rod 42, the flap 2 and other structures to move, then the roller 3 on the fixing device abuts against the mine wall, so that the stability of the hanging disc during lifting can be improved, and the shaking of the hanging disc in the horizontal direction is avoided. When an emergency occurs, the controller controls the telescopic cylinder 64 on each fixing device to move, then the three connecting rods and the two pressing plates are cooperated, the upper and lower friction plates 6 and the friction roller 32 are locked, the roller 3 is quickly braked, the friction between the roller 3 and the mine wall is increased, the emergency braking operation of the whole hanging disc is realized, and the safety performance of the hanging disc during operation is improved.

[0029] Obviously, the above-described embodiments are only some of the embodiments of the present application, not all the embodiments, the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or make equivalent replacement to some technical features. Any equivalent structure made by using the content of the specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A hoisting platform fixing device for vertical shaft casting construction, comprising a fixing seat and rollers installed on the hoisting platform, characterized in that: Two flaps are provided on one side of the fixed base, one at the front and one at the back, with the lower end of the flaps rotatably connected to the fixed base. The roller is coaxially fixed to the rotating shaft, with both ends of the rotating shaft rotatably connected to the outer top ends of the front and rear flaps respectively. A flipping drive assembly is horizontally mounted on the fixed base, with the actuating end of the flipping drive assembly connected to the upper end of the flap. A friction roller is also coaxially fixed to the rotating shaft, with two arc-shaped friction plates symmetrically provided at the upper and lower ends of the friction roller. The friction plates are connected to the brake drive assembly mounted on the flap.

2. The hoisting platform fixing device for vertical shaft casting construction according to claim 1, characterized in that: The flap adopts an L-shaped structure, with the lower end of the vertical part of the flap rotatably connected to the fixed base, the roller installed at the right angle of the flap, and the flipping drive assembly connected to the side end of the horizontal part of the flap.

3. The hoisting platform fixing device for vertical shaft casting construction according to claim 1, characterized in that: The flipping drive assembly includes a screw rod horizontally mounted on a fixed base. The screw rod is powered by a drive motor. A movable block is threaded onto the screw rod. One end of a top rod is rotatably connected above the movable block. The other end of the top rod is rotatably connected obliquely upward to a hinge rod between the side ends of the horizontal parts of the two flip plates.

4. The hoisting platform fixing device for vertical shaft casting construction according to claim 3, characterized in that: The bottom of the fixed base is provided with a sliding groove parallel to the screw, and the lower part of the moving block is slidably engaged in the sliding groove.

5. The hoisting platform fixing device for vertical shaft casting construction according to claim 4, characterized in that: The slide is a T-shaped groove, and the bottom of the moving block is provided with a T-shaped locking part, which is slidably locked in the T-shaped groove.

6. The hoisting platform fixing device for vertical shaft casting construction according to claim 1, characterized in that: The brake drive assembly includes a telescopic cylinder, a horizontally arranged upper pressure plate and a lower pressure plate. The upper friction plate is fixed to the bottom of the upper pressure plate. One end of the upper pressure plate is rotatably connected to a flap plate near the friction roller, and the other end of the upper pressure plate is rotatably connected to the upper end of the first connecting rod. The lower friction plate is fixed to the top of the lower pressure plate. The end of the lower pressure plate near the first connecting rod is rotatably connected to the flap plate, and the other end of the lower pressure plate is rotatably connected to the upper end of the second connecting rod. A third connecting rod is horizontally arranged below the lower pressure plate. The lower end of the first connecting rod is rotatably connected vertically downward to the end of the third connecting rod, and the lower end of the second connecting rod is rotatably connected vertically downward to the middle of the third connecting rod. The middle part of the third connecting rod between the first and second connecting rods is rotatably connected to the flap plate. The tail of the telescopic cylinder is rotatably connected to the flap plate, and the piston rod of the head of the telescopic cylinder is rotatably connected to the end of the third connecting rod away from the first connecting rod.

7. The hoisting platform fixing device for vertical shaft casting construction according to claim 6, characterized in that: The friction plate is detachably fixed to the upper and lower pressure plates by bolts.

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