Screw-out device for jacking adjusting nut of ring lock type scaffold

Abstract

The utility model relates to a ring lock type scaffold jacking adjusting nut screwing-out device which comprises a worm and gear mechanism, a worm and gear box used for covering and supporting the worm and gear mechanism and not influencing movement of the worm and gear mechanism, and an electric driving piece used for driving the worm and gear mechanism to move. The worm gear, the worm and the electric driving part are all arranged between the upper box body and the lower box body, a first ring opening is formed in the middle of the worm gear in a penetrating mode, a second ring opening is formed in the position, right opposite to the first ring opening, of the upper box body, and a third ring opening is formed in the position, right opposite to the first ring opening, of the lower box body. A pair of protruding components is arranged on the surface of one side of the worm gear and located on the opposite outer side of the first ring opening. According to the utility model, the bracket is supported below the net rack, and the height of the bracket is controlled by rotating the lifting structure through the screw rod, so that the height of the net rack is adjusted, the height of the net rack in different construction scenes is adjustable, the consumption of customized brackets is reduced, and the construction cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to disc buckle type scaffold field, concretely relates to a disc buckle type scaffold top support adjusting nut screwing device. BACKGROUND

[0002] At present, in the field of disc buckle type scaffold, as a new type of scaffold, it has gradually replaced the traditional steel pipe type scaffold body and the wheel buckle type scaffold body because of its beauty, safety and convenience, but at present, the spare parts of the disc buckle type scaffold body need to be adjusted during packing, material stacking and use process, the top support nut of the disc buckle type scaffold needs to be adjusted, the top adjustment is adjusted to the corresponding height, and only then can the packing / construction operation be carried out, and there is no electric adjusting tool for the situation on the market, and only the workers adjust by hand, and the overall efficiency is low. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above problems, a disc buckle type scaffold top support adjusting nut screwing device is used, the adjusting nut is adjusted by a worm gear transmission structure, and the problem that the adjusting nut of the disc buckle type scaffold top support is screwed out without special tool is effectively solved.

[0004] The disc buckle type scaffold top support adjusting nut screwing device of the utility model adjusts the screw connection of the adjusting nut on the screw rod of the disc buckle type scaffold, and divides the screw rod into an upper segment and a lower segment, two wings are arranged on the two sides of the adjusting nut, and the screwing device comprises a worm gear mechanism, a worm gear box for covering and supporting the worm gear mechanism without affecting the movement of the worm gear mechanism, and an electric driving part for driving the movement of the worm gear mechanism.

[0005] The worm gear box comprises an upper box body and a lower box body, the worm gear, the worm and the electric driving part are all arranged between the upper box body and the lower box body.

[0006] A first ring opening is arranged in the middle of the worm gear, a second ring opening is arranged in the position of the upper box body opposite to the first ring opening, a third ring opening is arranged in the position of the lower box body opposite to the first ring opening, the diameter of the first ring opening is between the diameter of the nut and the length of the connecting line of the two wings of the nut, the diameter of the third ring opening is matched with the diameter of the screw rod, a pair of protruding members are arranged on the opposite outer side of the first ring opening of one side surface of the worm gear, and are used for respectively blocking the two wings of the adjusting nut, so that the worm gear drives the adjusting nut to rotate when rotating.

[0007] Further improvement of the utility model lies in that a limiting ring for sleeving and limiting the upper segment of the screw rod is further arranged, the limiting ring is opposite to the second ring opening and is arranged above the worm gear box, the diameter of the limiting ring is matched with the diameter of the nut, and two notches are arranged on the limiting ring for the two wings of the nut to pass through.

[0008] The further improvement of the utility model lies in that the limiting ring is fixed on the worm and gear box through the radioactive support, the large end of the radioactive support is fixed with a fixed ring, the fixed ring is fixed on the worm and gear box, and the inner diameter of the fixed ring is matched with the diameter of the second ring mouth.

[0009] The further improvement of the utility model lies in that the worm and gear box is vertically fixed with an annular side wall for sleeving and limiting the lower end of the screw rod at the position corresponding to the third ring mouth, and the worm is rotatably sleeved on the annular side wall.

[0010] The further improvement of the utility model lies in that a bearing is arranged between the first ring mouth and the annular side wall, the inner ring of the bearing is fixedly sleeved on the outer periphery of the annular side wall, and the outer ring of the bearing is fixedly inscribed in the first ring mouth.

[0011] The further improvement of the utility model lies in that the electric drive member is a motor, and the worm and gear mechanism further comprises a controller connected to the motor.

[0012] The further improvement of the utility model lies in that the worm and gear box is provided with a detection member for detecting the lifting state of the adjusting nut, and the detection member is connected to the controller.

[0013] The further improvement of the utility model lies in that the surface of a pair of the convex members, on which the two wings of the adjusting nut contact, is provided with a self-locking structure for clamping the wings to prevent the nut from being axially separated.

[0014] The utility model discloses a disc buckle type scaffold jacking adjusting nut screwing-out device, which rotates the adjusting nut through a worm and gear transmission structure, effectively solves the problem that the adjusting nut of the disc buckle type scaffold jacking is screwed out without special tools, and improves construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the limiting frame structure schematic diagram of the utility model;

[0017] Figure 3 It is the upper box body schematic diagram of the worm and gear box of the utility model;

[0018] Figure 4 It is the worm schematic diagram of the utility model;

[0019] Figure 5 It is the worm schematic diagram of the utility model;

[0020] Figure 6 It is the lower box body schematic view of the worm gear box of the utility model;

[0021] Figure 7 It is the lower box body side view of the worm gear box of the utility model;

[0022] Figure 8 It is the explosion view of the utility model;

[0023] In the drawing: 1, limit ring; 2, radioactive support; 3, fixed ring; 4, worm gear box; 41, upper box body; 42, lower box body; 5, second ring mouth; 6, third ring mouth; 7, worm wheel; 8, bearing; 9, first ring mouth; 10, worm; 11, protruding member; 12, annular side wall; 13, detection piece; 14, bolt ear plate; 15, self-locking structure; 16, fixed nut. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model.

[0025] As Figures 1-8 shown, a disc buckle type scaffold top support adjusting nut screwing-out device, adjusting nut screwing connection is in the screw rod of disc buckle type scaffold, and the screw rod is divided into upper section and lower section, the adjusting nut both sides are equipped with two wings, this screwing-out device includes: worm gear mechanism, worm gear box 4 for covering supporting worm gear mechanism and not affecting worm gear mechanism movement, and electric drive piece for driving worm gear mechanism movement, worm gear box 4 includes upper box body 41 and lower box body 42, worm wheel 7, worm 10 and the electric drive piece are all installed between the upper box body 41 and the lower box body 42;

[0026] The middle part of worm wheel 7 is provided with first ring mouth 9, the position of upper box body 41 opposite first ring mouth 9 is provided with second ring mouth 5, the position of lower box body 42 opposite first ring mouth 9 is provided with third ring mouth 6, the diameter of first ring mouth 9 is between the diameter of nut and the length of two wings of nut, the diameter of third ring mouth 6 is matched with the diameter of screw rod, the diameter of second ring mouth 5 is greater than the length of two wings connection of adjusting nut, one side surface of worm wheel 7 is provided with a pair of protruding members 11 on the opposite outside of first ring mouth 9, for respectively blocking two wings of adjusting nut, so that worm wheel 7 drives adjusting nut to rotate when rotating.

[0027] Preferably, the diameter of second ring mouth 5 in the embodiment is the length of two wings connection of adjusting nut + adjustable range.

[0028] As Figure 1 , Figure 2 and Figure 8As shown, the device also comprises a limiting ring 1 for sleeving and limiting the upper section of the screw rod, the limiting ring 1 is opposite to the second ring opening 6 and is arranged above the worm gear box 4, the diameter of the limiting ring 1 is matched with the diameter of the nut, and two notches are arranged on the limiting ring 1 for the two wings of the nut to pass through.

[0029] The limiting ring 1 limits the screw rod located in the upper part of the adjusting nut, and the third ring opening 6 limits the screw rod located in the lower part of the adjusting nut.

[0030] As shown in Figure 1 , Figure 2 , the limiting ring 1 is fixed on the worm gear box 4 through the radioactive support 2, the large end of the radioactive support 2 is fixed with a fixing ring 3, the fixing ring 3 is fixed on the worm gear box 4, and the inner diameter of the fixing ring 3 is matched with the diameter of the second ring opening 5.

[0031] As shown in Figure 6 , a ring-shaped side wall 12 for sleeving the lower section of the screw rod is vertically fixed in the worm gear box 4 corresponding to the position of the third ring opening 6, the diameter of the ring-shaped side wall 12 is equal to the diameter of the screw rod, so as to be clamped on the screw rod, and the worm wheel 7 is rotatably sleeved on the ring-shaped side wall 12.

[0032] As shown in Figure 3 , Figure 6 , the edges of the upper box body 41 and the lower box body 42 are provided with bolt ear plates 14 in the embodiment, and the upper box body 41 and the lower box body 42 are connected by abutting the bolt ear plates 14.

[0033] As shown in Figure 4 , a bearing 8 is arranged between the first ring opening 9 and the ring-shaped side wall 12, the inner ring of the bearing 8 is fixedly sleeved on the outer periphery of the ring-shaped side wall 12, and the outer ring of the bearing 8 is fixedly connected in the first ring opening 9.

[0034] As shown in Figure 7 , the electric drive member is a motor, the worm gear mechanism further comprises a controller connected to the motor, and the worm gear box 4 is provided with a detection member 13 for detecting the lifting state of the adjusting nut, and the detection member 13 is connected to the controller.

[0035] Preferably, a fixed nut 16 is arranged at the end of the worm 10 for connection with the motor, which is convenient to use.

[0036] The detection member 13 in the embodiment is an infrared hole pair device.

[0037] As shown in Figure 4As shown, the two wings of the adjusting nut are contacted on the surface of the pair of protruding members 11, and the self-locking structure 15 for clamping the wings is arranged on the surface to prevent the adjusting nut from being axially removed out, in the embodiment, the self-locking structure 15 is a self-locking dead line, and the distance between the dead line and the surface of the worm wheel 7 is equal to the height of the two wings of the adjusting nut + the adjustable range.

[0038] Preferably, the inside of the annular side wall 12 is provided with a limiting piece for limiting the screw rod.

[0039] In use, the operator holds the device with one hand and inserts the screw rod of the disc buckle type scaffold into the second ring opening 5, the first ring opening 9, the third ring opening 6 and the annular side wall 12 in sequence, and places the adjusting nut on the upper surface of the worm wheel 7 and clamps the protruding member 11 at the two wings of the adjusting nut, at this time, the detection piece 13 detects the insertion of the screw rod, starts the motor and drives the worm 10 to rotate, the worm 10 drives the worm wheel 7 to rotate and makes the adjusting nut rotate, and the rotation direction of the worm wheel 7 is set according to the construction requirement to rotate the adjusting nut upwards or downwards, until the adjusting nut is rotated to the specified height, during the adjustment process, the operator can manually adjust the height of the device to ensure that the adjusting nut is above the worm wheel during the rotation process, after the adjustment is completed, the motor is turned off, the adjustment is completed, and the device is removed for the next adjustment.

[0040] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A device for unscrewing the adjusting nut of a disc-type scaffolding support, wherein the adjusting nut is screwed into a screw rod of the disc-type scaffolding, and the screw rod is divided into an upper section and a lower section. Two wings are provided on both sides of the adjusting nut, characterized in that: The unscrewing device includes: a worm gear mechanism, a worm gear box for covering and supporting the worm gear mechanism without affecting the movement of the worm gear mechanism, and an electric drive member for driving the worm gear mechanism to move; The worm gear box includes an upper box body and a lower box body, and the worm wheel, worm and the electric drive member are all installed between the upper box body and the lower box body; A first ring opening is provided through the middle of the worm wheel, a second ring opening is provided through the upper box body at a position opposite to the first ring opening, and a third ring opening is provided through the lower box body at a position opposite to the first ring opening. The diameter of the second ring opening is greater than the length of the line connecting the two wings of the adjusting nut, the diameter of the first ring opening is between the diameter of the nut and the length of the line connecting the two wings of the nut, the diameter of the third ring opening is adapted to the diameter of the screw, and a pair of protruding members are provided on one side surface of the worm wheel at the relatively outer side of the first ring opening, which are used to respectively block the two wings of the adjusting nut so that the adjusting nut can be driven to rotate when the worm wheel rotates.

2. The disc-type scaffolding jacking adjustment nut unscrewing device according to claim 1, characterized in that: It also includes a limiting ring for sleeved on the upper section of the screw, the limiting ring is opposite to the second ring opening and is supported above the worm gear box, the diameter of the limiting ring is adapted to the diameter of the nut, and the limiting ring is provided with two notches for the two wings of the nut to pass through.

3. The disc-type scaffolding jacking adjustment nut unscrewing device according to claim 2, characterized in that: The limiting ring is fixed to the worm gear box through a radioactive bracket, and a fixing ring is fixed to the large-mouth end of the radioactive bracket. The fixing ring is fixed to the worm gear box, and the inner diameter of the fixing ring is adapted to the diameter of the second ring mouth.

4. The disc-type scaffolding jacking adjustment nut unscrewing device according to claim 1, characterized in that: An annular side wall for sleeve-mounting the lower section of the screw for limiting the position is vertically fixed in the worm gear box at a position corresponding to the third ring opening, and the worm gear is rotatably sleeved on the annular side wall.

5. The disc-type scaffolding jacking adjustment nut unscrewing device according to claim 4, characterized in that: A bearing is provided between the first ring opening and the annular side wall. The inner ring of the bearing is fixedly sleeved on the outer periphery of the annular side wall, and the outer ring of the bearing is fixedly inscribed in the first ring opening.

6. The disc-type scaffolding jacking adjustment nut unscrewing device according to claim 1, characterized in that: The electric drive component is a motor, and the worm gear mechanism further includes a controller connected to the motor.

7. The disc-type scaffolding jacking adjusting nut unscrewing device according to claim 6, characterized in that: The worm gear box is provided with a detection member for detecting the lifting state of the adjusting nut, and the detection member is connected to the controller.

8. The disc-type scaffolding jacking adjusting nut unscrewing device according to claim 1, characterized in that: The surfaces of the pair of protruding components for contacting the two wings of the adjusting nut are both provided with self-locking structures for clamping the wings to prevent the nut from axially falling out.

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