CN220011493U

CN220011493U - Film stretching equipment

Info

Publication number: CN220011493U
Application number: CN202320895293.9U
Authority: CN
Inventors: 王建益; 王小文; 廖五良; 谢岐山; 杨赛花
Original assignee: Changsha Jianyi New Materials Co ltd
Current assignee: Changsha Jianyi New Materials Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-11-14
Anticipated expiration: 2033-04-20

Abstract

The utility model discloses a film spreading device, which comprises: the top end of the supporting frame is provided with a circular arc concave position which is concave downwards and is provided with openings at the front end and the rear end; the at least three support rollers are all rotationally arranged on the support frame and distributed in an arc along the edge of the arc-shaped concave position, and all the support rollers extend in the front-back direction and at least partially extend into the arc-shaped concave position; wherein, both sides at the top end of the arc-shaped concave position and the center of the bottom end of the arc-shaped concave position are respectively provided with a supporting roller correspondingly. According to the utility model, the downward arc-shaped concave position is arranged at the top end of the support frame, and at least three support rollers are arranged at the edge of the arc-shaped concave position in an arc manner, so that when film stretching operation is performed, the rolled geofilm can be embedded into the arc-shaped concave position and supported by the support rollers, a certain limiting effect is achieved on the rolled geofilm by utilizing the shape of the arc-shaped concave position, and when film stretching operation is performed, the rolled geofilm is placed more stably and reliably and is difficult to separate from the arc-shaped concave position.

Description

Film stretching equipment

Technical Field

The utility model relates to the technical field of geomembrane unfolding devices, in particular to membrane unfolding equipment.

Background

The geomembrane is a watertight mould, is mainly applied to construction sites, the geomembrane is harder in texture than ordinary films, the geomembrane can be rolled into a cylinder shape during transportation and placement before use, when the geomembrane is used outdoors, the rolled-up cylindrical geomembrane is unfolded through membrane unfolding equipment for subsequent paving construction, the existing outdoor membrane unfolding equipment generally comprises a frame body and two rollers which are rotationally arranged on the frame body and are arranged side by side, and when the geomembrane is used, the rolled-up cylindrical geomembrane is placed on the two rollers and is pulled out and unfolded by constructors. This kind of structure is simple, but when the cylinder blocks and does not rotate or constructor hard by force, probably will roll into the whole membrane equipment of stretching out of the geomembrane of drum form, influence exhibition membrane efficiency.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a film stretching device, and the rolled geomembrane is not easy to separate from the film stretching device when the film stretching operation is carried out.

According to an embodiment of the utility model, a film spreading device comprises:

the top end of the supporting frame is provided with a circular arc concave position which is concave downwards and is provided with openings at the front end and the rear end;

the at least three support rollers are all rotationally arranged on the support frame and distributed in an arc along the edge of the arc-shaped concave position, and all the support rollers extend in the front-back direction and at least partially extend into the arc-shaped concave position;

wherein, both sides and bottom center department that are all corresponding in convex concave position top are equipped with one the backing roll.

The film spreading equipment provided by the embodiment of the utility model has at least the following beneficial effects:

through set up convex concave position on the support frame top to at least three backing roll is arranged to the edge circular arc in convex concave position, thereby when carrying out the exhibition membrane operation, can make the geomembrane of roll-up form imbeds in the convex concave position, and by the backing roll support, utilize the shape in convex concave position to play certain spacing effect to the geomembrane of roll-up form, for setting up two cylinders side by side among the prior art, this embodiment is when carrying out the exhibition membrane operation, the geomembrane of roll-up form is placed more reliably and stably, even if individual backing roll blocks and does not rotate or constructor exert hard by force, roll-up form geomembrane also hardly breaks away from in the arc concave position.

According to some embodiments of the utility model, the central angle corresponding to the circular arc concave position is 135 degrees to 180 degrees.

According to some embodiments of the utility model, the supporting roller is coaxially rotatably provided with a mounting shaft, and two mounting grooves which vertically extend and are provided with an opening at the upper end are respectively arranged at two ends of the supporting frame corresponding to the mounting shaft, so that two ends of the mounting shaft can be embedded and mounted.

According to some embodiments of the utility model, two matching planes are symmetrically arranged on the peripheral walls at two ends of the mounting shaft and are used for matching with two opposite side walls of the mounting groove.

According to some embodiments of the utility model, a drill bit is installed at the center of the bottom of the support frame, the drill bit is vertically arranged, the bottom end of the drill bit is sharp-angled, and the drill bit is used for drilling into the ground to fix the support frame.

According to some embodiments of the utility model, the drill bit is provided with external threads, and the center of the bottom of the support frame is correspondingly provided with internal threads and is in threaded connection with the drill bit.

According to some embodiments of the utility model, a nut sleeve is fixedly arranged at the bottom center of the support frame to form the internal thread.

According to some embodiments of the utility model, the drill head is mounted on top with a lever extending radially outwardly therefrom for rotating the drill head.

According to some embodiments of the utility model, the drill bit top end is coaxially and fixedly provided with a rotary table, the upper surface of the rotary table is provided with a plurality of caulking grooves circumferentially distributed at intervals around the central axis of the rotary table, the caulking grooves extend along the radial direction of the rotary table, the operating rod can vertically move relatively and is rotatably arranged on the rotary table, and the operating rod can rotate to be vertically aligned with any caulking groove and is downwardly embedded into the caulking groove.

According to some embodiments of the utility model, the upper end of the turntable is coaxially provided with a guide post extending vertically, one end of the operating rod is provided with a lantern ring and sleeved on the guide post through the lantern ring, the guide post is connected with a limit nut on the upper side of the lantern ring in a threaded manner, and when the limit nut abuts against the lantern ring, the operating rod is separated from the caulking groove.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a mounting structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of another angle of FIG. 1;

FIG. 3 is a schematic view of the mounting structure of a drill bit according to an embodiment of the present utility model;

fig. 4 is an exploded view of the mounting structure of the drill bit according to the embodiment of the present utility model.

Reference numerals:

the nut sleeve comprises a supporting frame 100, a circular arc-shaped concave position 101, a mounting groove 102 and a nut sleeve 110;

a support roller 200, a mounting shaft 210, a mating plane 211;

drill bit 300, rotary table 310, caulking groove 311, guide column 320 and limit nut 330;

a lever 400, and a collar 410.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 and 2, a film spreading apparatus according to an embodiment of the present utility model includes: a support 100 and a support roller 200.

The top end of the supporting frame 100 has a concave arc-shaped portion 101 which is concave downward and has openings at the front and rear ends, and it is understood that the concave arc-shaped portion 101 can be used for embedding a rolled geomembrane.

The support rollers 200 are at least three, are all rotatably arranged on the support frame 100 and are distributed in an arc shape along the edge of the arc-shaped concave position 101, and all the support rollers 200 extend in the front-back direction and at least partially extend into the arc-shaped concave position 101 so as to be used for being in contact with the rolled geomembrane and playing a supporting role.

In particular, in this embodiment, two support rollers 200 on two sides of the top end of the circular arc concave position 101 are symmetrical with respect to the support roller 200 on the bottom end of the circular arc concave position 101, and the two support rollers 200 on the top end are located at the same height.

According to the film stretching equipment provided by the embodiment of the utility model, the arc-shaped concave position 101 is arranged at the top end of the support frame 100, and at least three support rollers 200 are arranged at the edge of the arc-shaped concave position 101 in an arc manner, so that when film stretching operation is performed, a rolled geomembrane is embedded into the arc-shaped concave position 101 and supported by the support rollers 200, and a certain limiting effect is achieved on the rolled geomembrane by utilizing the shape of the arc-shaped concave position 101; in addition, more than three supporting rollers 200 are arranged, so that the geomembrane can be unfolded more smoothly when the membrane unfolding operation is performed.

In some specific embodiments, considering that the rolled geomembrane becomes smaller and smaller when being unfolded, in order to avoid scraping caused by the geomembrane falling between two adjacent support rollers 200 and contacting with the support frame 100 in the process, two support rollers 200 are symmetrically arranged on two sides of the support roller 200 at the bottom end center of the circular arc concave position 101, namely five support rollers 200 are arranged on two sides of the top end of the circular arc concave position 101 and at the same height, one of the two support rollers 200 is arranged at the bottom end center of the circular arc concave position 101, the rest two support rollers 200 are arranged at the middle of the depth direction of the circular arc concave position 101 and at the same height, and the height difference between the support roller 200 at the top end of the circular arc concave position 101 and the support roller 200 at the middle position of the circular arc concave position 101 is larger than the height difference between the support roller 200 at the middle position of the circular arc concave position 101 and the support roller 200 at the bottom end of the circular arc concave position 101.

In addition, it should be noted that, in the actual use process, the film stretching device of this embodiment sets up a plurality of corresponding roll-up cylindrical geomembrane, arranges along its axial to jointly support roll-up cylindrical geomembrane, need not to set up and set up two very long cylinders as in prior art an organic whole.

Referring to fig. 1, it can be understood that the central angle corresponding to the circular arc concave position 101 has a value ranging from 135 degrees to 180 degrees, so as to ensure a better effect of preventing the rolled geomembrane from being separated from the circular arc concave position 101, and the specific value is selected according to actual requirements.

Referring to fig. 1 and 2, it can be understood that the support roller 200 is coaxially rotatably provided with a mounting shaft 210, two mounting slots 102 extending vertically and having an open upper end are respectively provided at two ends of the support frame 100 corresponding to the mounting shaft 210, so that two ends of the mounting shaft 210 are embedded and mounted, and the structure is simple and the assembly and the disassembly are convenient.

Referring to fig. 1 and 2, it can be understood that two mating planes 211 are symmetrically provided on the peripheral walls of both ends of the mounting shaft 210, the mating planes 211 are formed by cutting, and the two mating planes 211 of the same end of the mounting shaft 210 are used for mating with two opposite side walls of the corresponding mounting groove 102, so that the mounting shaft 210 can be prevented from rotating in the mounting groove 102, and therefore, the mounting shaft 210 cannot roll upwards along the side walls of the mounting groove 102 to be separated from the mounting groove 102, and the structure is stable and reliable. In addition, it can be understood that after the mating plane 211 is formed by cutting, a step is formed on the mounting shaft 210, and the step is used to abut against the support frame 100 to limit the displacement of the mounting shaft 210 along the axial direction thereof, so as to avoid the influence of the contact between the support roller 200 and the support frame 100 on the smoothness of rotation thereof.

Referring to fig. 2, it can be understood that a drill bit 300 is installed at the center of the bottom of the support frame 100, the drill bit 300 is vertically disposed, and the bottom end of the drill bit is pointed, so as to drill into the ground to fix the support frame 100, thereby preventing the support frame 100 from moving or tipping during the membrane stretching operation and ensuring smooth membrane stretching; the drill 300 is disposed at the bottom center of the support frame 100 to maintain the overall structure in a balanced and stable state, and a plurality of drill bits are not required.

Referring to fig. 2, it can be understood that the drill bit 300 is provided with external threads, and the center of the bottom of the support frame 100 is correspondingly provided with internal threads and is in threaded connection with the drill bit 300, so that the drill bit 300 is spirally and rotatably installed on the support frame 100 in a threaded fit manner, and when the ground needs to be drilled, the drill bit 300 is rotated, and the structure is simple and practical, and the operation is very convenient.

Referring to fig. 2, it can be understood that the nut sleeve 110 is fixedly arranged at the bottom center of the support frame 100 to form an internal thread, and the support frame 100 does not need to be additionally provided with the internal thread, so that the processing and the manufacturing are convenient.

Referring to fig. 2 and 3, it will be understood that the drill bit 300 is provided with an operation lever 400 extending radially outwardly therefrom at the top thereof for driving the drill bit 300 to rotate, and that the operator has a lot of inconvenience in rotating the drill bit 300 because the drill bit 300 is located at the bottom center of the support frame 100 and needs to drill under the support frame 100 for the rotation operation, so that the operator can conveniently rotate the drill bit 300 by installing an operation lever 400 extending radially outwardly from the drill bit 300 at the top of the drill bit 300.

Referring to fig. 2 to 4, it can be understood that the top end of the drill bit 300 is coaxially and fixedly provided with the rotary table 310, the upper surface of the rotary table 310 is provided with a plurality of caulking grooves 311 circumferentially distributed around the central axis thereof, the caulking grooves 311 extend along the radial direction of the rotary table 310, both ends of the extending direction of the caulking grooves 311 are open, the operating rod 400 can move vertically and rotationally installed in the rotary table 310 relatively, the operating rod 400 can rotate and be embedded downwards in any caulking groove 311, and it can be understood that the operating rod 400 needs to rotate for a plurality of circles when the drill bit 300 drills, and if the operating rod 400 and the rotary table 310 are utilized to synchronously rotate, the operator needs to walk along the circumferential direction of the rotary table 310 during operation, so that the operation is very troublesome.

Referring to fig. 3 and 4, it can be understood that the upper end of the rotary table 310 is coaxially provided with a guide post 320 extending vertically, one end of the operating rod 400 is provided with a collar 410 and sleeved on the guide post 320 through the collar 410, the guide post 320 provides guidance for the vertical movement of the operating rod 400, the upper side of the collar 410 is in threaded connection with a limit nut 330 for vertically limiting the movement stroke of the operating rod 400, and meanwhile, the operating rod 400 is convenient to disassemble and assemble, and in particular, when the limit nut 330 abuts against the collar 410, the operating rod 400 is separated from the caulking groove 311; in this embodiment, the guide post 320 and the limit nut 330 are provided, so that the movement range of the operation lever 400 can be limited, and the operation is more convenient and time-saving when the operation lever 400 is used to drive the drill bit 300 to rotate.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A stent device, comprising:

the top end of the supporting frame (100) is provided with a circular arc concave position (101) which is concave downwards and is provided with openings at the front end and the rear end;

the three support rollers (200) are rotatably arranged on the support frame (100) and distributed in an arc along the edge of the arc-shaped concave position (101), and all the support rollers (200) extend in the front-back direction and at least partially extend into the arc-shaped concave position (101);

wherein, both sides of the top end of the circular arc concave position (101) and the center of the bottom end of the circular arc concave position are respectively provided with one supporting roller (200).

2. The film stretching apparatus according to claim 1, wherein: the value range of the central angle corresponding to the circular arc concave position (101) is 135-180 degrees.

3. The film stretching apparatus according to claim 1, wherein: the support roller (200) is coaxially rotated and provided with a mounting shaft (210), two mounting grooves (102) which vertically extend and are provided with openings at the upper ends are respectively arranged at the two ends of the support frame (100) corresponding to the mounting shaft (210), so that the two ends of the mounting shaft (210) are embedded and mounted.

4. A film spreading apparatus according to claim 3, wherein: two matching planes (211) are symmetrically arranged on the peripheral walls at two ends of the mounting shaft (210) and are used for being matched with two opposite side walls of the mounting groove (102).

5. The film stretching apparatus according to claim 1, wherein: the drill bit (300) is installed at the bottom center of the support frame (100), the drill bit (300) is vertically arranged, the bottom end of the drill bit is in a sharp angle shape, and the drill bit is used for drilling into the ground to fix the support frame (100).

6. The film spreading apparatus according to claim 5, wherein: the drill bit (300) is provided with external threads, and the center of the bottom of the supporting frame (100) is correspondingly provided with internal threads and is in threaded connection with the drill bit (300).

7. The film stretching apparatus as claimed in claim 6, wherein: a nut sleeve (110) is fixedly arranged at the center of the bottom of the supporting frame (100) to form the internal thread.

8. The film stretching apparatus as claimed in claim 6, wherein: the top of the drill bit (300) is provided with an operation rod (400) extending outwards along the radial direction of the drill bit, and the operation rod is used for driving the drill bit (300) to rotate.

9. The film stretching apparatus of claim 8, wherein: the rotary drill is characterized in that a rotary table (310) is coaxially and fixedly arranged at the top end of the drill bit (300), a plurality of caulking grooves (311) are formed in the upper surface of the rotary table (310) and are circumferentially distributed at intervals around the central axis of the rotary table, the caulking grooves (311) extend in the radial direction of the rotary table (310), the operating rod (400) can move vertically relatively and is rotationally arranged on the rotary table (310), and the operating rod (400) can rotate to be vertically aligned with any caulking groove (311) and is embedded downwards.

10. The film stretching apparatus of claim 9, wherein: the upper end of the rotary table (310) is coaxially provided with a guide post (320) extending vertically, one end of the operating rod (400) is provided with a lantern ring (410) and is sleeved with the operating rod through the lantern ring (410)

The guide post (320), the guide post (320) is connected with a limit nut (330) on the upper side of the lantern ring (410) in a threaded manner,

when the limit nut (330) is propped against the lantern ring (410), the operating rod (400) is separated from the caulking groove (311).