CN111846606A

CN111846606A - Clamping device for transporting large PVC (polyvinyl chloride) pipes

Info

Publication number: CN111846606A
Application number: CN202010813943.1A
Authority: CN
Inventors: 苗恩勤
Original assignee: Wenzhou Chunyuan Machinery Technology Co Ltd
Current assignee: Wenzhou Chunyuan Machinery Technology Co Ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2020-10-30

Abstract

The invention discloses a clamping device for transporting large PVC pipes, which comprises a base body, wherein a driving cavity is arranged in the base body, a driving assembly is arranged in the driving cavity, the upper side of the driving cavity is communicated with a lifting cavity, an adjusting assembly is arranged in the lifting cavity, the upper side of the lifting cavity is communicated with an opening and closing cavity, the upper side of the opening and closing cavity is communicated with the outside, opening and closing assemblies are symmetrically arranged on the upper side of the opening and closing cavity in a left-right mode, an opening and closing screw rod extending upwards to the lifting cavity is rotatably arranged on the lower end wall of the driving cavity, lifting blocks matched with the opening and closing screw rod through threads are slidably arranged on the front end wall and the rear end wall of the lifting cavity, the device clamps the PVC pipes through clamps, the positions of the clamps are adjusted through the adjusting assemblies according to the diameters of the PVC pipes, so.

Description

Clamping device for transporting large PVC (polyvinyl chloride) pipes

Technical Field

The invention relates to the technical field of PVC pipes, in particular to a clamping device for conveying large PVC pipes.

Background

The PVC pipe is a tubular material with the main component of polyvinyl chloride and other components added to enhance the heat resistance, toughness and ductility of the PVC pipe. The uppermost layer of the surface film of the PVC pipe is paint, the main component of the middle layer is polyvinyl chloride, and the lowermost layer is back-coated adhesive. PVC pipe usually needs the staff to bind the effective rope of PVC and fix when the transportation, consumes a large amount of time and manpower, and large-scale PVC pipe only fixes with the rope and drops easily, causes casualties easily in the transportation, takes place danger.

Disclosure of Invention

Aiming at the technical defects, the invention provides a clamping device for transporting a large PVC pipe, which can overcome the defects.

The clamping device for transporting the large PVC pipe comprises a base body, wherein a driving cavity is arranged in the base body, a driving assembly is arranged in the driving cavity, a lifting cavity is communicated with the upper side of the driving cavity and is provided with an adjusting assembly, the lifting cavity is internally provided with an opening and closing cavity, the upper side of the lifting cavity is communicated with an outside and is provided with an opening and closing assembly, the upper side of the opening and closing cavity is bilaterally and symmetrically provided with an opening and closing assembly, the lower end wall of the driving cavity is rotatably provided with an opening and closing screw rod which extends upwards to the lifting cavity, the front end wall and the rear end wall of the lifting cavity are slidably provided with a lifting block which is matched with the opening and closing screw rod through threads, the right side of the lifting block is fixedly provided with an opening and closing lifting rod, the opening and closing assembly comprises two opening and closing rotating shafts which are rotatably arranged on the front end, a damping cavity which is close to the side of the opening and closing lifting rod and is communicated with the outside is arranged in the opening and closing block, a damping block which is close to the side of the opening and closing lifting rod and contains an annular groove is arranged in the damping cavity in a sliding way, the damping block which is far away from the side of the opening and closing lifting rod and the damping cavity which is far away from the side end wall of the side of the opening and closing lifting rod are connected by four damping springs at equal angles, an annular sliding block which contains an inclined plane at the lower side is arranged in the annular groove in a sliding way, the upper side of the annular sliding block is connected with the annular groove by an adjusting spring, so that three adjusting sliding grooves which are close to the side end wall of the opening and closing lifting rod and are arranged at equal angles are arranged on the annular groove, three fixed limiting grooves which correspond to the adjusting sliding grooves are arranged at equal, the adjusting sliding rod is fixedly provided with a clamping block which is positioned at the side of the opening and closing lifting rod, close to the opening and closing lifting rod.

Preferably, the opening and closing assembly further comprises three sliding limiting grooves which are arranged on the annular sliding block at equal angles and correspond to the fixed limiting grooves, the annular groove is communicated with the damping cavity through a first communicating groove, the damping cavity is communicated with the outside through a second communicating groove corresponding to the first communicating groove, racks are symmetrically arranged on the left side and the right side of the opening and closing lifting rod, fan-shaped teeth meshed with the racks are arranged on the side, close to the opening and closing lifting rod, of the opening and closing block, an upper sliding groove and a lower sliding groove are arranged in the opening and closing lifting rod in a vertically through mode, and an upper sliding rod and a lower sliding rod are arranged in the upper sliding groove and the lower sliding groove in a sliding.

Preferably, drive assembly include with drive chamber lower extreme wall fixed connection be located open and shut the left motor of screw rod, motor upside power connection has the drive shaft, the drive shaft upside has the integral key shaft through spline muffjoint, integral key shaft upside fixed mounting has reciprocating gear, drive intracavity be equipped with open and shut screw rod fixed connection and can with reciprocating gear engagement's elevating gear, drive chamber lower extreme wall rotates to install and is located the motor left side just upwards extends to the adjusting screw in elevating chamber, drive intracavity be equipped with adjusting screw fixed connection and can with reciprocating gear engagement's adjusting gear.

Preferably, the drive assembly is still including being located the forked tail sliding tray of drive chamber rear end wall, slide in the forked tail sliding tray be equipped with the integral key shaft passes through the forked tail sliding block that the bearing is connected, forked tail sliding tray downside is equipped with the electro-magnet, search book forked tail sliding block downside be equipped with electro-magnet complex iron plate, forked tail sliding block upside with the forked tail sliding tray upside passes through reset spring and connects.

Preferably, the adjusting component include with lift chamber left end wall sliding connection with adjusting screw passes through the first regulating block of screw-thread fit, first regulating block right side fixed mounting contain with the connecting block of opening and shutting screw complex through-hole, connecting block right side fixed mounting with lift chamber right-hand member wall sliding fit's second regulating block.

The beneficial effects are that: the device simple structure, convenient operation, the device are at the during operation, press from both sides tight PVC pipe through anchor clamps, pass through adjusting part adjusting jig position according to the diameter of PVC pipe and make anchor clamps fix the PVC pipe completely, are applicable to the transportation of the PVC pipe of equidimension diameter not, prevent that the PVC pipe from droing in the transportation and causing the casualties, damping spring carries out the shock attenuation to the PVC pipe in the transportation, prevents the paint film wearing and tearing on PVC pipe top layer.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of the present invention, in FIG. 1, the opening and closing block 17 is in a state of clamping the PVC pipe;

FIG. 3 is a schematic diagram of the structure A-A of FIG. 1 according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the embodiment of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The clamping device for large PVC pipe transportation comprises a base body 10, a driving cavity 38 is arranged in the base body 10, a driving assembly is arranged in the driving cavity 38, a lifting cavity 28 is communicated with the upper side of the driving cavity 38, an adjusting assembly is arranged in the lifting cavity 28, an opening and closing cavity 13 with the upper side communicated with the outside is communicated with the upper side of the lifting cavity 28, opening and closing assemblies are arranged on the upper side of the opening and closing cavity 13 in a bilateral symmetry mode, an opening and closing screw 27 extending upwards to the lifting cavity 28 is rotatably arranged on the lower end wall of the driving cavity 38, a lifting block 12 in threaded fit with the opening and closing screw 27 is slidably arranged on the front end wall and the rear end wall of the lifting cavity 28, an opening and closing lifting rod 22 is fixedly arranged on the right side of the lifting block 12, the opening and closing assemblies comprise two opening and closing rotating shafts 21 which are rotatably arranged on the front end wall and the rear, the opening and closing rotating shaft 21 is respectively and fixedly provided with an opening and closing block 17 with an inward opening, a damping cavity 16 which is close to the opening and closing lifting rod 22 side and communicated with the outside is arranged in the opening and closing block 17, a damping block 40 which is close to the opening and closing lifting rod 22 side and contains an annular groove 18 is arranged in the damping cavity 16 in a sliding manner, the damping block 40 is far away from the opening and closing lifting rod 22 side and is connected with the damping cavity 16 side end wall far away from the opening and closing lifting rod 22 side through four damping springs 15 at an equal angle, an annular sliding block 14 with an inclined surface at the lower side is arranged in the annular groove 18 in a sliding manner, the upper side of the annular sliding block 14 is connected with the annular groove 18 through an adjusting spring 19, so that the annular groove 18 is close to the opening and closing lifting rod 22 side end wall at an equal angle and is provided with three adjusting sliding grooves, an adjusting sliding rod 47 extending to the annular groove 18 from the side far away from the opening and closing lifting rod 22 and containing a limiting block 49 in sliding fit with the fixed limiting groove 48 is arranged in the adjusting sliding groove 54 in a sliding way, the adjusting sliding rod 47 is fixedly provided with a clamping block 20 which is positioned at the side of the opening and closing block 17 close to the opening and closing lifting rod 22, when the opening and closing lifting rod 22 slides downwards, the opening and closing block 17 is driven to rotate around the opening and closing rotating shaft 21 to the side close to the opening and closing lifting rod 22 to clamp the PVC pipe, when the opening and closing lifting rod 22 slides upwards, the opening and closing block 17 is driven to rotate around the opening and closing rotating shaft 21 to the side far away from the opening and closing lifting rod 22 to loosen the PVC pipe, the shock absorption block 40 slides in the shock absorption cavity 16 to absorb shock to the PVC pipe through the action of the shock absorption spring 15, the annular sliding block 14 slides in the annular groove 18 to adjust the position of the clamping block 20.

Beneficially, the opening and closing assembly further includes three sliding limiting grooves 50 disposed on the annular sliding block 14 at equal angles and corresponding to the fixed limiting grooves 48, the annular groove 18 is communicated with the damping cavity 16 through a first communicating groove 25, the damping cavity 16 is communicated with the outside through a second communicating groove 41 corresponding to the first communicating groove 25, racks 52 are symmetrically disposed on the left and right sides of the opening and closing lifting rod 22, sector teeth 53 engaged with the racks 52 are disposed on the side of the opening and closing block 17 close to the opening and closing lifting rod 22, an up-and-down sliding groove 51 is disposed in the opening and closing lifting rod 22 and penetrates up and down, an up-and-down sliding rod 24 with a supporting block 23 fixedly mounted on the upper side is slidably disposed in the up-and-down sliding groove 51, when the opening and closing lifting rod 22 slides down, the racks 52 are engaged with the sector teeth 53 to drive the opening and closing block 17 to rotate around the opening and closing rotating shaft 21 to the side close to, when the opening and closing lifting rod 22 slides upwards, the rack 52 is meshed with the sector teeth 53 to drive the opening and closing block 17 to rotate around the opening and closing rotating shaft 21 towards the side far away from the opening and closing lifting rod 22, when the diameter of the PVC pipe is smaller, the annular sliding block 14 slides upwards, and the clamping block 20 slides inwards under the action of the fixed limiting groove 48 and the sliding limiting groove 50 to clamp the PVC pipe.

Beneficially, the driving assembly includes a motor 34 fixedly connected to the lower end wall of the driving cavity 38 and located on the left side of the opening and closing screw 27, a driving shaft 35 is dynamically connected to the upper side of the motor 34, a spline shaft 32 is connected to the upper side of the driving shaft 35 through a spline sleeve 33, a reciprocating gear 36 is fixedly installed on the upper side of the spline shaft 32, a lifting gear 31 fixedly connected to the opening and closing screw 27 and capable of being engaged with the reciprocating gear 36 is arranged in the driving cavity 38, an adjusting screw 39 located on the left side of the motor 34 and extending upward to the lifting cavity 28 is rotatably installed on the lower end wall of the driving cavity 38, an adjusting gear 37 fixedly connected to the adjusting screw 39 and capable of being engaged with the reciprocating gear 36 is arranged in the driving cavity 38, and when the reciprocating gear 36 is engaged with the lifting gear 31, the lifting block 12 is driven to lift up and down, thereby controlling the opening and closing of the opening and closing assembly, and controlling the operation of the adjusting assembly when the reciprocating gear 36 is meshed with the adjusting gear 37.

Beneficially, the driving assembly further comprises a dovetail sliding groove 45 located at the rear end wall of the driving cavity 38, a dovetail sliding block 42 connected with the spline shaft 32 through a bearing is arranged in the dovetail sliding groove 45 in a sliding mode, an electromagnet 46 is arranged on the lower side of the dovetail sliding groove 45, an iron block 44 matched with the electromagnet 46 is arranged on the lower side of the dovetail sliding block 42, the upper side of the dovetail sliding block 42 is connected with the upper side of the dovetail sliding groove 45 through a return spring 43, the reciprocating gear 36 is meshed with the lifting gear 31 when the electromagnet 46 is not powered, and the reciprocating gear 36 is meshed with the adjusting gear 37 when the electromagnet 46 is powered.

Advantageously, the adjustment assembly comprises a first adjustment block 11, slidingly associated with the left end wall of the lifting chamber 28, cooperating by a thread with the adjustment screw 39, a connecting block 29 with a through hole 30 matched with the opening and closing screw 27 is fixedly arranged at the right side of the first adjusting block 11, a second adjusting block 26 which is in sliding fit with the right end wall of the lifting cavity 28 is fixedly arranged at the right side of the connecting block 29, when sliding upwards, the first adjusting block 11 can be in sliding fit with the left second communicating groove 41 and the left first communicating groove 25, so as to push the left annular sliding block 14 upwards, when sliding upwards, the second adjusting block 26 can be in sliding fit with the second communicating groove 41 on the right side and the first communicating groove 25 on the right side, so as to push the annular sliding block 14 on the right side upwards, when the connecting block 29 slides to the upper side, the upper and lower sliding rods 24 and the supporting block 23 can be pushed upwards.

In the initial state, the opening and closing block 17 is in the open state, the lifting block 12 and the opening and closing lifting rod 22 are positioned at the uppermost side, the adjusting spring 19 is in the normal stretching state, the clamping block 20 and the adjusting sliding rod 47 are positioned at the outermost side, the electromagnet 46 is not electrified, the return spring 43 is in the normal stretching state, and the reciprocating gear 36 is meshed with the lifting gear 31.

When the work is started, the PVC pipe is prevented from being positioned on the supporting block 23, the motor 34 is started to rotate in a forward direction, so that the driving shaft 35 is driven to rotate, so that the spline shaft 32 is driven to rotate, so that the reciprocating gear 36 is driven to rotate, so that the lifting gear 31 is driven to rotate, so that the opening and closing screw 27 is driven to rotate, so that the lifting block 12 is driven to slide downwards, so that the opening and closing lifting rod 22, the upper and lower sliding rods 24 and the supporting block 23 are driven to slide downwards, the rack 52 is meshed with the sector teeth 53 to drive the opening and closing block 17 to rotate around the opening and closing rotating shaft 21 to the side close to the opening and closing lifting rod 22, so that the PVC pipe is clamped, when the lifting block 12 slides to the lowest side, the motor 34 is stopped, the electromagnet 46 is electrified when the diameter of the PVC pipe is small, the iron block 44 is attracted, the reset spring 43 is, thereby driving the driving shaft 35 to rotate, thereby driving the spline shaft 32 to rotate, thereby driving the reciprocating gear 36 to rotate, thereby driving the adjusting gear 37 to rotate, thereby driving the adjusting screw 39 to rotate, thereby driving the first adjusting block 11, the connecting block 29, and the second adjusting block 26 to slide upwards, the first adjusting block 11, the second adjusting block 26 slide into the second communicating groove 41, the first communicating groove 25 to push the annular sliding block 14 upwards, the adjusting spring 19 compresses, the fixing limiting groove 48, the sliding limiting groove 50 acts on the limiting block 49 to slide inwards, thereby driving the adjusting sliding rod 47, the clamping block 20 to slide inwards to fix the PVC pipe, meanwhile, the connecting block 29 slides to the uppermost side to push the upper and lower sliding rods 24, the supporting block 23 slides upwards, the supporting block 23 supports the PVC pipe, the damping spring 15 dampens the PVC pipe during transportation, thereby reducing surface damage of the PVC pipe, when the PVC pipe needs to be dismounted, the starting motor 34 to rotate reversely, thereby drive first regulating block 11, connecting block 29, second regulating block 26 and slide downwards, because adjusting spring 19 effect annular sliding block 14 slides downwards, press from both sides tight piece 20, adjust the slip rod 47 and slide and loosen the PVC pipe, supporting shoe 23, upper and lower slip rod 24 slides downwards, electromagnet 46 cuts off the power supply when first regulating block 11 slides to the downside, because reset spring 43 effect forked tail sliding block 42, reciprocating gear 36, integral key shaft 32 slides upwards, reciprocating gear 36 meshes with lifting gear 31, starting motor 34 reverses, thereby drive elevator 12, the lifter 22 that opens and shuts slides downwards, thereby drive opening and shutting piece 17 around the axis of rotation 21 that opens and shuts to keeping away from the lifting rod 22 side that opens and shuts and loosen the PVC pipe, take out the PVC pipe, the device resets.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a large-scale PVC pipe clamping device for transportation, includes the base member, its characterized in that: a driving cavity is arranged in the base body, a driving assembly is arranged in the driving cavity, a lifting cavity is communicated with the upper side of the driving cavity, an adjusting assembly is arranged in the lifting cavity, an opening-closing cavity with the upper side communicated with the outside is communicated with the upper side of the lifting cavity, opening-closing assemblies are symmetrically arranged on the left side and the right side of the upper side of the opening-closing cavity, opening-closing screw rods extending upwards to the lifting cavity are rotatably arranged on the lower end wall of the driving cavity, lifting blocks in threaded fit with the opening-closing screw rods are slidably arranged on the front end wall and the rear end wall of the lifting cavity, opening-closing lifting rods are fixedly arranged on the right side of the lifting blocks, the opening-closing assemblies comprise two opening-closing rotating shafts which are rotatably arranged on the front end wall and the rear end wall of the opening-closing cavity and are bilaterally symmetrical by taking the opening-closing lifting rods, a damping block which is close to the side of the opening and closing lifting rod and comprises an annular groove is arranged in the damping cavity in a sliding manner, the side of the damping block, which is far away from the opening and closing lifting rod, is connected with the end wall of the damping cavity, which is far away from the side of the opening and closing lifting rod, at the same angle through four damping springs, an annular sliding block with a slope at the lower side is arranged in the annular groove in a sliding manner, the upper side of the annular sliding block is connected with the annular groove through an adjusting spring, therefore, the annular groove is provided with three adjusting sliding grooves at equal angles close to the side end wall of the opening and closing lifting rod, the front end wall of the annular groove is provided with three fixed limiting grooves corresponding to the adjusting sliding grooves at equal angles, an adjusting sliding rod extending to the side far away from the opening and closing lifting rod and extending into the annular groove and provided with a limiting block in sliding fit with the fixed limiting groove is arranged in the adjusting sliding groove in a sliding manner, the adjusting sliding rod is fixedly provided with a clamping block which is positioned at the side of the opening and closing lifting rod, close to the opening and closing lifting rod.

2. The clamping device for transporting the large PVC pipe according to claim 1, wherein: the opening and closing assembly further comprises three sliding limiting grooves which are arranged on the annular sliding block at equal angles and correspond to the fixed limiting grooves, the annular groove is communicated with the damping cavity through a first communicating groove, the damping cavity is communicated with the outside through a second communicating groove corresponding to the first communicating groove, racks are symmetrically arranged on the left side and the right side of the opening and closing lifting rod, the opening and closing block is close to fan-shaped teeth meshed with the racks, an upper sliding groove and a lower sliding groove are formed in the opening and closing lifting rod in a vertically through mode, and an upper sliding rod and a lower sliding rod are arranged in the upper sliding groove and the lower sliding groove in a sliding mode, wherein supporting blocks are fixedly arranged on the upper side.

3. The clamping device for transporting the large PVC pipe according to claim 1, wherein: drive assembly include with drive chamber lower extreme wall fixed connection be located open and shut the left motor of screw rod, motor upside power connection has the drive shaft, the drive shaft upside has the integral key shaft through spline muffjoint, integral key shaft upside fixed mounting has reciprocating gear, drive intracavity be equipped with open and shut screw rod fixed connection and can with reciprocating gear engagement's elevating gear, drive chamber lower extreme wall rotates to install and is located the motor left side just upwards extends to the adjusting screw in lift chamber, drive intracavity be equipped with adjusting screw fixed connection and can with reciprocating gear engagement's adjusting gear.

4. The clamping device for transporting the large PVC pipe according to claim 3, wherein: drive assembly is still including being located the forked tail sliding tray of drive chamber rear end wall, slide in the forked tail sliding tray be equipped with the integral key shaft passes through the forked tail sliding block that the bearing is connected, forked tail sliding tray downside is equipped with the electro-magnet, search book forked tail sliding block downside be equipped with electro-magnet complex iron plate, forked tail sliding block upside with the forked tail sliding tray upside passes through reset spring and connects.

5. The clamping device for transporting the large PVC pipe according to claim 3, wherein: the adjusting part include with lift chamber left end wall sliding connection with adjusting screw passes through the first regulating block of screw-thread fit, first regulating block right side fixed mounting contain with the connecting block of the screw rod complex through-hole that opens and shuts, connecting block right side fixed mounting have with lift chamber right-hand member wall sliding fit's second regulating block.