阅读说明：本技术 一种基于齿轮传动的小跨度膜结构整体装夹张拉装置 (small-span film structure integral clamping and tensioning device based on gear transmission ) 是由 万铃兰 于 2019-10-28 设计创作，主要内容包括：本发明涉及小跨度膜结构装夹张拉技术领域,且公开了一种基于齿轮传动的小跨度膜结构整体装夹张拉装置,所述底座的顶部固定连接有箱体和位于箱体内部的伸缩装置,伸缩装置的内部活动连接有推杆,推杆的顶端安装有推块,箱体的顶部安装有支撑筒,箱体的内部设置有转轴,转轴的外侧固定套接有传动齿轮,转轴的右端固定套接有手柄。该基于齿轮传动的小跨度膜结构整体装夹张拉装置,通过伸缩装置、推杆、推块、转轴、传动齿轮、移动夹板和轮齿的配合使用,通过轮齿带动推杆向上或者向下运动,完成对整个膜结构一侧的同时装夹,无需逐一安装固定螺栓,大大降低了重复劳动,使装夹速率大幅度提高。(The invention relates to the technical field of clamping and tensioning of small-span membrane structures, and discloses small-span membrane structure integral clamping and tensioning devices based on gear transmission, wherein the top of a base is fixedly connected with a box body and a telescopic device positioned in the box body, a push rod is movably connected in the telescopic device, a push block is installed at the top end of the push rod, a support cylinder is installed at the top of the box body, a rotating shaft is arranged in the box body, a transmission gear is fixedly sleeved on the outer side of the rotating shaft, and a handle is fixedly sleeved at the right end of the rotating shaft.)

The small-span membrane structure integral clamping tensioning device based on gear transmission comprises a base (1) and a box body (2) and is characterized in that the top of the base (1) is fixedly connected with the box body (2) and a telescopic device (3) located inside the box body (2), the inside of the telescopic device (3) is movably connected with a push rod (4), a push block (5) is installed at the top end of the push rod (4), a supporting cylinder (6) is installed at the top of the box body (2), a rotating shaft (7) is arranged inside the box body (2), a transmission gear (8) is fixedly sleeved on the outer side of the rotating shaft (7), a handle (9) is fixedly sleeved at the right end of the rotating shaft (7), a supporting block (10) is fixedly connected to the top of the box body (2), a movable clamping plate (11) and a fixed clamping plate (12) are installed on the right side of the supporting block (10) respectively, a fastening block (14) is fixedly connected to the top of the fixed clamping plate (12) through.

2. A small span film structure integral clamping tensioning device based on gear drive according to claim 1, wherein the connection device (15) comprises a second bolt (151), a connection plate (152) and a mounting part (153).

3. The integral clamping and tensioning device for the small-span film structure based on gear transmission as claimed in claim 1, wherein the connection between the support block (10) and the fixed splint (12) is fixed, the connection between the support block (10) and the movable splint (11) is movable, a protrusion (17) is disposed on the side of the movable splint (11) connected to the support block (10), and a groove adapted to the protrusion (17) is disposed inside the support block (10).

4. The kind of small span membrane structure integral clamping tensioning device based on gear drive according to claim 1, characterized in that the top of the supporting cylinder (6) is installed with a rubber gasket (18).

5. The kind of small-span membrane structure whole clamping tensioning device based on gear drive of claim 1, characterized in that the bottom of the base (1) is equipped with a groove that can connect with a slide rail and is equipped with a pulley.

6. The kind of small span membrane structure integral clamping tensioning device based on gear drive of claim 1, wherein the side of the clamping of the movable clamping plate (11) and the fixed clamping plate (12) is an irregular smooth cambered surface with a complementary shape.

7. The kind of small-span membrane structure whole clamping tensioning device based on gear drive according to claim 1, characterized in that the outside of the push rod (4) is provided with gear teeth (19) adapted to the transmission gear (8) and meshed with the transmission gear (8).

Technical Field

The invention relates to the technical field of clamping and tensioning of small-span films, in particular to an integral clamping and tensioning device for small-span film structures based on gear transmission.

Background

The membrane structure is a structural system combining buildings and structures, has beautiful appearance modeling, the outline curve of the membrane structure cannot be copied by a traditional straight line building, the membrane structure adopts a high-strength flexible thin film material and an auxiliary structure to generate a pretension stress determined by in the membrane structure in a manner determined by and form a certain space shape under stress control to be used as a covering structure or a building main body, the appearance shape of the membrane structure can be randomly changed according to the self requirement, along with the improvement of installation equipment of the membrane structure, the membrane structure is already applied to various public facilities by , part of the membrane structure buildings become a landmark building by unique structures and extremely ornamental designs, along with the development of technological technology, the application of the membrane structure tends to be more and more , and the application of the membrane structure to large public facilities gradually steps into the daily life of people, so that the application of small-span membrane structures will be more in the future, and the corresponding equipment requirements will be relatively changed.

The existing membrane structure installation equipment is mainly used for tensioning a large-span membrane structure, the structure of the equipment is complex, the size is large, the equipment is inconvenient to carry and high in manufacturing cost, the equipment cannot be used under the condition of small working space, existing equipment is used for clamping, the membrane and a clamp are clamped by using bolts through the installation holes at the edge of the membrane structure in sequence, the repeated labor is excessive, the workload is high, the workload for disassembling the membrane structure after the equipment is used is increased, the working efficiency is low, the membrane structure needs to be punched, the attractiveness after installation is influenced, part of clamping equipment which does not need to be punched is easy to generate uneven clamping force when clamping, wrinkles are generated when the structure is tensioned due to uneven stress, the clamping needs to be disassembled again, the working efficiency is greatly reduced, and economic loss is caused.

Solves the technical problem

In view of the above problems in the prior art, the present invention aims to provide integral clamping and tensioning devices for small-span membrane structures based on gear transmission, which are used to solve the above problems in the background art, and have the advantages of simple structure, small size, clamping and fastening, uniform stress and simple operation.

Disclosure of Invention

In order to achieve the purposes of simple structure, small volume, clamping and fastening, uniform stress and simple operation, the invention provides the following technical scheme that small-span membrane structure integral clamping and tensioning devices based on gear transmission comprise a base, a box body, a telescopic device, a push rod, a push block, a supporting cylinder, a rotating shaft, a transmission gear, a handle, a supporting block, a movable clamping plate, a fixed clamping plate, a bolt, a fastening block, a connecting device, a pulley, a lug, a rubber gasket and gear teeth.

Wherein: the connecting device comprises a second bolt, a connecting plate and a mounting piece.

The top fixedly connected with box of base and the telescoping device that is located the box inside, the inside swing joint of telescoping device has the push rod, the ejector pad is installed on the top of push rod, the quantity of push rod can be increased and decreased according to membrane structure size, a support section of thick bamboo is installed at the top of box, the support section of thick bamboo is hollow cylinder structure, the outer fringe size of ejector pad and support section of thick bamboo is the same.

The inside of box is provided with the pivot, the pivot is connected for rotating with the relation of connection of box, the pivot runs through whole box, the fixed cover in the outside of pivot has connect drive gear, drive gear's quantity is corresponding with the push rod, the fixed cover of right-hand member of pivot has connect the handle, the handle can be dismantled, the pivot can be connected with external drive device.

The utility model discloses a refrigerator, including box, supporting shoe, movable splint and solid fixed splint, the right side of supporting shoe is installed respectively, movable splint and solid fixed splint clamping can closely laminate, the top of solid fixed splint is through bolt fixedly connected with fastening block, the screw hole with bolt adaptation is all seted up at the top of supporting shoe and solid fixed splint, the left side of box is provided with connecting device, the mounting hole with the connecting device adaptation is seted up in the left side of box.

Preferably, the connecting device comprises a second bolt, a connecting plate and an installation part, so that the connecting plate can disperse tension borne by the box body when the connecting device is connected with the external driving device.

Preferably, the connection relationship between the supporting block and the fixed clamping plate is fixed, the connection relationship between the supporting block and the movable clamping plate is movable, a protrusion is arranged on the side where the movable clamping plate is connected with the supporting block, and a groove matched with the protrusion is formed in the supporting block, so that the end where the movable clamping plate is connected with the supporting block can move up and down in the supporting block, and the joint with the fixed clamping plate is completed.

Preferably, the rubber gasket is installed at the top of the supporting cylinder, so that the impact between the pushing block and the supporting cylinder is reduced when the pushing block is driven by the pushing rod to reset, and the vibration of the device is reduced.

Preferably, the bottom of the base is provided with a groove capable of being connected with the sliding rail and is provided with a pulley, so that the equipment can move through the external sliding rail and can also be pushed through the pulley.

Preferably, the sides of the movable clamping plate and the fixed clamping plate are irregular smooth cambered surfaces with complementary shapes, the irregular structures increase the contact surface between the clamp and the membrane structure to generate higher friction force, and the smooth cambered surfaces do not cause the membrane structure to generate wrinkles and abrasion.

Preferably, gear teeth matched with the transmission gear are arranged on the outer side of the push rod and meshed with the transmission gear, so that the transmission gear can drive the push rod to move up and down through the gear teeth arranged on the push rod.

Advantageous effects

Compared with the prior art, the invention provides integral clamping and tensioning devices for small-span membrane structures based on gear transmission, which have the following beneficial effects:

1. this whole clamping tensioning device of small-span membrane structure based on gear drive, through the telescoping device, the push rod, the ejector pad, the apparatus further comprises a rotating shaft, drive gear, the cooperation of removal splint and the teeth of a cogwheel is used, can make the pivot when rotating, drive the push rod through the teeth of a cogwheel upwards or downstream, thereby make the removal splint accomplish the clamping or release, drive gear all with pivot fixed connection, and all be provided with the teeth of a cogwheel with drive gear meshing on the push rod, the effect of making the removal splint whole even upward movement has been played, accomplish the clamping simultaneously to whole membrane structure side, need not to pursue installation fixing bolt, greatly reduced the repetition work, make clamping speed increase substantially, economic benefits has been improved, the area of ejector pad is bigger than the push rod simultaneously, with the pressure dispersion of push rod to the removal splint, make the atress of removal splint more even, prevent to produce the not firm condition of membrane structure clamping, and need not punch to the membrane structure, make the finished product after the installation more.

2. This whole clamping tensioning equipment of small-span membrane structure based on gear drive, through the supporting shoe, the movable clamp plate, the solid fixed splint, the cooperation of bolt and fastening block, can make the end of movable clamp plate can be in the supporting shoe in the upper and lower free removal, with the rigidity of solid fixed splint, the supporting shoe is the welding with the relation of connection of solid fixed splint, and utilize the screw hole at top and bolt to make the fastening block link to each other a solid fixed splint of supporting shoe, with the firm degree between the solid fixed splint, effectually prevent the solid fixed splint because long-term atress or atress are too big, produce the fracture, the effectual life who prolongs equipment, the corresponding smooth curved surface that side of movable clamp plate and solid fixed splint clamping set up, make the contact surface between anchor clamps and the membrane structure bigger, frictional force has been increased, the fastening of membrane structure clamping has been guaranteed, and the fold can not produce, the practicality and the stability of device have been guaranteed.

3. This whole clamping tensioning device of small-span membrane structure based on gear drive, through the ejector pad, the cooperation of supporting cylinder and rubber packing ring is used, can be when the device is static, play definite supporting role to removing splint, remove splint and extrude the ejector pad under the action of gravity, the ejector pad pushes down the push rod again, cause the teeth of a cogwheel and drive gear between to produce pressure, the effect through the supporting cylinder can reduce the pressure of meshing department, alleviate the wearing and tearing to the structure, the effectual life who improves equipment, when equipment work back push rod is withdrawed again simultaneously, when the ejector pad supports a contact, the vibrations that produce when the accessible rubber packing ring slows down the contact, reduce the vibrations wearing and tearing to each part of equipment, the practicality of equipment has been strengthened.

Drawings

FIG. 1 is a schematic side sectional view of the present invention, with the device at rest and the clamp plate not closed;

FIG. 2 is a front sectional view of the present invention, with the device at rest and the clamp plate not closed;

FIG. 3 is a schematic front view of the rotating shaft, the transmission gear and the handle of the present invention, wherein the device is in a static state, and the rotating shaft is fixedly connected with the transmission gear and the handle;

FIG. 4 is a schematic top view of the movable clamp of the present invention, with the device at rest and the movable clamp not installed;

fig. 5 is a rear view of the connection device 15 according to the invention, in a rest state, with the mounting member being fixedly connected to the connection plate by means of a second bolt.

FIG. 6 is a schematic perspective view of the clamping plate of the present invention, wherein the clamping surface of the clamping plate is a smooth curved surface;

FIG. 7 is a schematic perspective view of a support block according to the present invention, wherein the apparatus is in a static state and a sliding groove is formed in the support block;

figure 8 is a side cut-away schematic view of the invention with the device in an operative condition and the splint in a closed condition.

Fig. 9 is a perspective view of the support cylinder of the present invention, in a resting position, with the top end of the support cylinder fitted with a rubber gasket 18.

The main reference numbers:

the device comprises a base 1, a box body 2, a telescopic device 3, a push rod 4, a push block 5, a support cylinder 6, a rotating shaft 7, a transmission gear 8, a handle 9, a support block 10, a movable clamping plate 11, a fixed clamping plate 12, an th bolt 13, a fastening block 14, a connecting device 15, a pulley 16, a convex block 17, a rubber gasket 18 and gear teeth 19.

Wherein: the connection device 15 includes a second bolt 151, a connection plate 152, and a mounting member 153.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions in the embodiments of the present disclosure will be described below in detail and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a partial embodiment, not a complete embodiment, of of the present disclosure.

To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.

Referring to fig. 1-9, a small span membrane structure integral clamping tensioning device based on gear transmission, it will be understood by those skilled in the art that other similar connection methods can be used to implement the present invention, such as welding, bonding or screwing.

As shown in fig. 1, in the technical solution proposed in step of the present invention, a box 2 and a telescopic device 3 located inside the box 2 are fixedly connected to the top of a base 1, a groove capable of connecting a slide rail is formed in the bottom of the base 1, and a pulley is provided, so that the equipment can move through an external slide rail or can be pushed through the pulley, a push rod 4 is movably connected inside the telescopic device 3, a push block 5 is installed at the top end of the push rod 4, the number of the push rod 4 can be increased or decreased according to the size of a membrane structure, a support cylinder 6 is installed at the top of the box 2, the support cylinder 6 is a hollow cylinder structure, the push block 5 and the outer edge of the support cylinder 6 are the same in size, a rubber gasket 18 is installed at the top of the support cylinder 6, when the push rod 4 drives the push block 5 to reset, the impact between the push block 5 and the support cylinder 6 is reduced, the vibration of the device is reduced, when the device is stationary, the device can play a supporting role of , the movable clamp plate 11 can extrude the push block 5 under the action of gravity, the push block 5, the push rod 5 further press the push rod 4, the push rod 5 and the pressure of the support cylinder 19 of the device is reduced, the wear of the transmission gear, the transmission gear is reduced, the transmission gear, the wear of the equipment, the transmission gear is effectively reduced, the equipment, the wear of the transmission gear, the transmission gear is reduced, the transmission.

Furthermore, as shown in fig. 1-2, preferably, a rotating shaft 7 is disposed inside the box body 2, the rotating shaft 7 is rotatably connected with the box body 2, the rotating shaft 7 penetrates through the whole box body 2, a transmission gear 8 is fixedly sleeved outside the rotating shaft 7, gear teeth 19 adapted to the transmission gear 8 are disposed outside the push rod 4 and are meshed with the transmission gear 8, the transmission gear 8 can drive the push rod 4 to move up and down through the gear teeth 19 disposed on the push rod 4, the number of the transmission gears 8 corresponds to that of the push rod 4, a handle 9 is fixedly sleeved at the right end of the rotating shaft 7, the handle 9 can be detached, the rotating shaft 7 can be connected with an external driving device, the telescopic device 3, the push rod 4, the push block 5, the rotating shaft 7, the transmission gear 8 and the gear teeth 19 are used in cooperation with the gear teeth 19 when the rotating shaft 7 rotates, the push rod 4 is driven to move up or down through the gear teeth 19, so that the movable clamp plate 11 completes clamping or loosening, the transmission gear 8 is fixedly connected with the rotating shaft 7, the push rod 4 is provided with the movable clamp plate 11, the movable clamp plate 11 is fixedly connected with the rotating shaft, the push rod 4, the clamp plate 11 has the clamp bolt fastening area is increased, the clamp plate is increased, and the clamp plate is increased.

In the technical scheme provided by the step of the invention, the top of a box body 2 is fixedly connected with a supporting block 10, the right side of the supporting block 10 is respectively provided with a movable clamping plate 11 and a fixed clamping plate 12, the connection relation between the supporting block 10 and the fixed clamping plate 12 is fixed connection, the connection relation between the supporting block 10 and the movable clamping plate 11 is movable connection, a convex block 17 is arranged on a side where the movable clamping plate 11 and the supporting block 10 are connected, a groove matched with the convex block 17 is formed in the supporting block 10, so that a end where the movable clamping plate 11 and the supporting block 10 are connected can move up and down in the supporting block 10, the movable clamping plate 11 and the fixed clamping plate 12 can be tightly attached, the sides where the movable clamping plate 11 and the fixed clamping plate 12 are clamped are irregular smooth cambered surfaces with complementary shapes, the irregular structures increase the contact surface between a clamp and a membrane structure to generate higher friction force, meanwhile, the smooth cambered surfaces cannot cause the membrane structure to generate wrinkles and abrasion, the clamping plate 11 and the fixed clamping plate 12 can be tightly attached, the top of the fixed clamping plate 12 is fixedly connected with a fastening block 14 through bolts 13, the top of the supporting block 10 and the fixed clamping plate 12 are both provided with threaded holes , a connecting device for conveniently installing a connecting device 153 for connecting device for connecting the box body and a connecting device for connecting device.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Referring to fig. 1-9, in use, the structural connection and operation of the device are as follows:

the base 1 is fixed on a sliding rail through a groove, a telescopic device 3 on the base 1 is movably connected with a push rod 4, a gear tooth 19 on the push rod 4 is meshed with a transmission gear 8 fixedly connected with a rotating shaft 7, the rotating shaft 7 is rotated through a handle 9 or a connected driving device, the transmission gear 8 drives the push rod 4 to move upwards through the gear tooth 19, as the movable clamping plate 11 is movably connected with a supporting block 10 through a lug 17, a round pushing block 5 fixed at the top end of the push rod 4 pushes the movable clamping plate 11 to move upwards under the driving of the push rod 4, the push rod 4 in the device is ensured to simultaneously push the movable clamping plate 11 upwards, the movable clamping plate 11 is enabled to uniformly rise, the operation is simpler, the repeated labor is avoided, meanwhile, the pushing block 5 increases the contact surface with the movable clamping plate 11, the pressure of the push rod 4 is dispersed, the acting force on a membrane structure is enabled, the movable clamping plate 11 is attached to the fixed clamping plate 12, the membrane structure is clamped, the clamping surface is a smooth arc surface, the contact surface with the membrane structure is increased, friction is increased, stability of clamping is guaranteed, and meanwhile, the membrane structure cannot be crushed due to smooth curve, the structure is simple, and extra occupied space is avoided.

After clamping is completed, a scheme is that the connecting device 15 is connected with an external driving device through the mounting piece 153, external power is used for pulling equipment, the equipment moves on the sliding rail through the groove to drive the whole device to move simultaneously, and stretching of the membrane structure is completed.

After tensioning is finished, the rotating shaft 7 is rotated reversely, the push rod 4 drives the push block 5 and the movable clamp plate 11 to move downwards, the membrane structure is taken out, the rotating shaft 7 is rotated continuously to reset the device, the transmission gear 8 drives the push rod 4 to drive the push block 5 and the movable clamp plate 11 to move downwards through driving gear teeth 19 during resetting until the push block 5 is contacted with the top surface of the support cylinder 6, at the moment, a rubber gasket 18 at the top of the support cylinder 6 generates plastic deformation and recovers to the original shape under the action of pressure, vibration generated when the push block 5 is contacted with the support cylinder 6 is effectively reduced, vibration loss of equipment is reduced, the service life of the equipment is prolonged, after resetting, the support cylinder 6 distributes the pressure of the movable clamp plate 11 and the push block 5, the pressure between the engaged gear teeth 19 and the transmission gear 8 is reduced, the loss of the gear is reduced, the service life of the equipment is prolonged, and the service life of, the production cost is reduced, and the economic benefit is improved.

The above embodiments are merely exemplary embodiments of the present invention, which is not intended to limit the present invention, and the scope of the present invention is defined by the appended claims. Various modifications and equivalents may be made by those skilled in the art to the present invention without departing from the spirit and scope of the invention, and such modifications and equivalents should be considered to be within the scope of the invention.