CN220671125U

CN220671125U - Clamp for stretching building materials

Info

Publication number: CN220671125U
Application number: CN202321488650.6U
Authority: CN
Inventors: 李海波
Original assignee: Fei County Construction Engineering Quality Inspection Station
Current assignee: Fei County Construction Engineering Quality Inspection Station
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2024-03-26
Anticipated expiration: 2033-06-12

Abstract

The utility model relates to a fixture for stretching building materials, which comprises a main body seat, wherein a cavity is formed in the main body seat, movable frames are arranged at two ends of the cavity, threaded rods matched with the threaded rods are arranged at two ends of the main body seat, the threaded rods are matched with the movable frames, clamping blocks matched with each other are arranged on the movable frames, one ends of the clamping blocks are fixedly connected with mounting blocks, mounting grooves matched with the mounting blocks are formed in the movable frames, positioning grooves are formed in the upper ends of the cavity, screw rods are rotatably connected with the positioning grooves, threads at two ends of the screw rods are oppositely arranged, positioning plates are slidably connected at two ends of the positioning grooves, and are matched with the screw rods.

Description

Clamp for stretching building materials

Technical Field

The utility model relates to the technical field of building material detection equipment, in particular to a fixture for stretching building materials.

Background

Along with the rapid development of the building industry, building material products required in the building are gradually enriched, in order to avoid the safe use of the built building, the quality of the building materials is ensured by testing the building materials, the potential safety hazard is avoided, the personal safety of residents is ensured, and the research object of the tensile test is the deformation behavior of the fixed gauge length under the action of the load, so that the common building materials are required to be tested.

When a tensile test is performed, a building material is required to be fixed on test equipment, two ends of the building material are clamped by clamps generally so as to facilitate the tensile test, but when the test is performed, the clamps generally have shapes similar to the shapes of the building material in order to ensure proper clamping of the building material, so that the clamping degree of the building material is improved.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a fixture for stretching building materials, which aims to solve the problems that the prior fixture in the background art is simple in structure, limited in use capability and inconvenient for workers to use.

(II) technical scheme

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a tensile anchor clamps of using of building materials, includes the main part seat, the cavity has been seted up on the main part seat, the cavity both ends are equipped with the adjustable shelf, main part seat both ends are equipped with rather than complex threaded rod, threaded rod and adjustable shelf cooperation, be equipped with the clamp splice of mutually supporting on the adjustable shelf, clamp splice one end fixed connection is equipped with the installation piece, set up on the adjustable shelf with installation piece complex mounting groove, the constant head tank has been seted up to the cavity upper end, constant head tank internal rotation connection is equipped with the lead screw, the screw thread at lead screw both ends sets up relatively, constant head tank both ends sliding connection is equipped with the locating plate, locating plate and lead screw cooperation.

Preferably, the clamping block lower extreme fixed connection is equipped with spacing spring, clamping block one end is offered with spacing spring complex laminating groove, further improves the clamping force of anchor clamps.

In a further preferred embodiment, the cavity is provided with a sliding groove, one end of the movable frame is rotatably connected with a sliding rod, and the sliding rod is in sliding fit with the sliding groove, so that the equipment can be moved conveniently.

In a further preferred aspect, the clamping blocks are uniformly provided with a plurality of anti-slip raised strips along the vertical direction, the anti-slip raised strips are wedge-shaped with upward inclination angles, friction force is improved, and holding effect is increased.

In a further preferred aspect, the movable frame is provided with a fixing bolt, the fixing bolt is in threaded fit with the movable frame, a fastening cap is arranged at the upper end of the fixing bolt, the fixing bolt is provided with a pressing piece, and the pressing piece is in rotary fit with the fixing bolt, so that the clamp is ensured to be used stably.

In a further preferred embodiment, a rotating head is arranged at one end of the threaded rod, and a manual handle in sliding fit with the rotating head is arranged on the rotating head, so that the clamp can be conveniently controlled.

In a further preferred mode, one end of the screw rod penetrates through the main body seat to be provided with a rotating handle, the screw rod is fixedly connected with a driving wheel, and the driving wheel is provided with a driving belt matched with the driving wheel, so that the equipment can stably run.

(III) beneficial effects

Compared with the prior art, the utility model provides the fixture for stretching the building materials, which has the following beneficial effects:

1. according to the utility model, the main body seat and the cavity are arranged as the main body structure of the equipment, the clamping capability is realized through the matching of the movable frame, the clamping blocks and the threaded rod, the clamping blocks are arranged as the clamp structure contacted with building materials, the clamping blocks are conveniently taken down from the movable frame through arranging the mounting blocks and the mounting grooves, the mounting blocks are fixed through matching of the fixing bolt and the pressing piece, when the clamping blocks are replaced, the clamping blocks can be replaced from the movable frame through the plugging operation only by unscrewing the fixing bolt, the operation of workers is facilitated, the clamping blocks can be conveniently held by different building materials, the tensile test is performed, and the working efficiency is improved.

2. Through setting up the constant head tank and providing the space, carry out spacingly through the cooperation of lead screw and locating plate to the building materials, control the lead screw through rotation handle, drive wheel and drive belt cooperation, make the lead screw rotate, drive the locating plate at both ends and inwards survey the removal, clamp the building materials, make the building materials keep vertical in this direction, with the tight cooperation of clamp splice to the building materials, make the building materials be in straight state in vertical direction, with tensile direction the same, guarantee the test data accuracy to the building materials.

3. Through setting up spacing spring and laminating groove cooperation, the clamp splice at messenger's both ends can receive the extra atress of incasement deflection when holding, makes the clamp splice more tightly press from both sides tight building materials, improves the roughness on surface through anti-skidding sand grip, further strengthens the effect of holding to the building materials, makes to hold more firmly, and the building materials are difficult for deviating from.

Drawings

FIG. 1 is a schematic diagram of the front structure of a fixture for stretching building materials in the utility model;

FIG. 2 is a schematic view of the structure of the manual handle and the clamping block according to the utility model;

FIG. 3 is a schematic diagram of the cooperation structure of the movable frame and the clamping blocks in the utility model;

FIG. 4 is a schematic view of the structure of the main body seat and the threaded rod of the present utility model;

fig. 5 is a schematic view of a structure of the main body seat back and screw rod according to the present utility model.

In the figure: 1. a main body seat; 2. a cavity; 3. a movable frame; 4. a threaded rod; 5. clamping blocks; 6. a mounting block; 7. a mounting groove; 8. a positioning groove; 9. a screw rod; 10. a positioning plate; 11. a limit spring; 12. a bonding groove; 13. a sliding groove; 14. a slide bar; 15. an anti-slip raised line; 16. a fixing bolt; 17. a cap is fastened; 18. tabletting; 19. a rotating head; 20. a manual handle; 21. a rotating handle; 22. a driving wheel; 23. a driving belt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-3, a fixture for stretching building materials comprises a main body seat 1, a cavity 2 is formed in the main body seat 1, movable frames 3 are arranged at two ends of the cavity 2, threaded rods 4 matched with the threaded rods 4 are arranged at two ends of the main body seat 1, the threaded rods 4 are matched with the movable frames 3, clamping blocks 5 matched with each other are arranged on the movable frames 3, mounting blocks 6 are fixedly connected to one ends of the clamping blocks 5, mounting grooves 7 matched with the mounting blocks 6 are formed in the movable frames 3, positioning grooves 8 are formed in the upper ends of the cavity 2, screw rods 9 are rotatably connected to the positioning grooves 8, threads at two ends of the screw rods 9 are oppositely arranged, positioning plates 10 are slidably connected to two ends of the positioning grooves 8, and the positioning plates 10 are matched with the screw rods 9.

Referring to fig. 3 and 4, in this embodiment, a limiting spring 11 is fixedly connected to the lower end of the clamping block 5, a fitting groove 12 matched with the limiting spring 11 is formed at one end of the clamping block 5, a sliding groove 13 is formed in the cavity 2, a sliding rod 14 is rotatably connected to one end of the movable frame 3, the sliding rod 14 is slidably matched with the sliding groove 13, the sliding rod 14 slides in the sliding groove 13 to ensure that the movement of the movable frame is stable, when the movable frame 3 moves towards the center of the cavity 2 with the clamping block 5, the limiting spring 11 contacts with the fitting groove 12 after the clamping block 5 contacts, the limiting spring 11 abuts against the fitting groove 12, and the front end of the clamping block 5 is closer to the center under the action of the limiting spring 11, so that the clamping block 5 is prevented from loosening.

Referring to fig. 3, in this embodiment, a plurality of anti-slip protruding strips 15 are uniformly arranged on the clamping block 5 along the vertical direction, the anti-slip protruding strips 15 are wedge-shaped with an upward inclination angle, and contact with a building material to be tested through the anti-slip protruding strips 15, so that the surface roughness of the clamping block 5 is increased, the friction force is increased, besides the wedge-shaped anti-slip protruding strips 15 can be partially sunk into the building material under pressure, the movement of the building material is prevented through the plane of the lower end, and the stability of clamping is improved.

Referring to fig. 3, in this embodiment, a fixed bolt 16 is disposed on the movable frame 3, the fixed bolt 16 is in threaded fit with the movable frame 3, a latch cap 17 is disposed at an upper end of the fixed bolt 16, a pressing piece 18 is disposed on the fixed bolt 16, the pressing piece 18 is in rotational fit with the fixed bolt 16, the fixed bolt 16 is unscrewed to enable the pressing piece 18 to rotate along the fixed bolt 16 to expose the mounting groove 7, after the mounting block 6 is installed in the mounting groove 7, the pressing piece 18 is rotated to enable the pressing piece 18 to block the mounting groove 7, then the fixed bolt 16 is screwed, the pressing piece 18 is pressed by the fixed bolt 16 through the latch cap 17, so that the pressing piece 18 contacts with the mounting block 6 to abut against the mounting block 6, the mounting block 6 is prevented from sliding outwards, the mounting block 6 is kept stable, and stability of the clamping block 5 is ensured.

Referring to fig. 1, 2 and 4, in this embodiment, a rotating head 19 is disposed at one end of the threaded rod 4, a manual handle 20 slidably engaged with the rotating head 19 is disposed on the rotating head 19, the manual handle 20 can slide along the threaded rod 4, and a larger torque is provided by the manual handle 20, so that the rotating head 19 is conveniently screwed, the rotating head 19 rotates along with the threaded rod 4, and the clamping blocks 5 are matched to clamp the building material to be tested.

Referring to fig. 5, in this embodiment, one end of the screw rod 9 passes through the main body seat 1 and is provided with a rotating handle 21, a driving wheel 22 is fixedly connected to the screw rod 9, a driving belt 23 matched with the driving wheel 22 is arranged on the driving wheel 22, the rotating handle 21 is controlled to drive the screw rod 9 to rotate, and when the screw rod 9 rotates, the screw rods 9 on two sides synchronously rotate through the matching of the driving wheel 22 and the driving belt 23, so that the positioning plate 10 is ensured to stably slide.

Example 2:

referring to fig. 1-5, when the apparatus is used, the main body seat 1 is mounted on the stretching apparatus, a common fixing structure such as a bolt can be adopted, a clamping block 5 with a proper structure is selected according to the requirement of building materials to be tested, the clamping block 5 is mounted on the movable frame 3, the fixing bolt 16 is unscrewed, the restriction on the pressing piece 18 is released, the pressing piece 18 rotates along the fixing bolt 16 to expose the mounting groove 7, then the mounting block 6 is mounted in the mounting groove 7, the pressing piece 18 rotates to block the mounting groove 7, then the fixing bolt 16 is screwed, the pressing piece 18 is pressed by the fixing bolt 16 through the bolt cap 17, the pressing piece 18 is contacted with the mounting block 6 to abut against the mounting block 6, the mounting block 6 is prevented from sliding outwards, the mounting block 6 is kept stable, the clamping block 5 is firmly fixed on the sliding frame under the cooperation of the mounting block 6 and the mounting groove 7, if the clamping block 5 is damaged during operation, the new clamping blocks 5 can be replaced quickly in the mode, the building materials to be tested are inserted from the upper end of the cavity 2, the building materials pass through the space between the positioning plates 10 and then fall between the clamping blocks 5, the rotating handle 21 is controlled to rotate, the rotating handle 21 drives the screw rod 9 to rotate, when the screw rod 9 rotates, the screw rods 9 on two sides synchronously rotate through the matching of the driving wheel 22 and the driving belt 23, the rotating screw rod 9 is matched with the positioning plates 10, the positioning plates 10 on two ends synchronously move inwards through the threads oppositely arranged on two sides, contact with the building materials, limit the building materials, enable the building materials to keep vertical in the moving direction of the positioning plates 10, then the rotating head 19 is controlled to rotate through the manual handle 20, the manual handle 20 can slide along the threaded rod 4, the manual handle 20 slides to the most side to obtain larger torque, the rotating head 19 is convenient to screw, the rotating head 19 drives the threaded rod 4 to rotate, the threaded rod 4 is matched with the main body seat 1 through threads, and moves towards the inside of the cavity 2 along the main body seat 1, so that the movable frame 3 is pushed to move towards building materials, the movable frame 3 is provided with the clamping blocks 5 to clamp the building materials to be tested, the clamping blocks 5 are clamped, the building materials are pushed and limited when clamped, the building materials are kept vertical in the moving direction perpendicular to the positioning plate 10, the direction of the building materials is consistent with the direction of a tensile test, then the other end is clamped, the other group of clamping blocks are tightly attached to the building materials, and the fixing of equipment to the building materials is completed.

Example 3:

referring to fig. 1-4, based on the above embodiment 2, when the clamping block 5 moves toward the central building material, the sliding rod 14 is slidably matched with the sliding groove 13, so as to limit the sliding rod 14, so that the sliding rod 14 stably slides in the sliding groove 13, and the movement stability of the sliding frame is ensured, and as the clamping block 5 moves toward the center of the cavity 2, after the clamping block 5 contacts with the building material, the limiting spring 11 contacts with the attaching groove 12, the limiting spring 11 abuts against the attaching groove 12, and forces are applied to the two attaching grooves 12 under the action of the limiting spring 11, so that the front ends of the clamping block 5 deflect and close to each other toward the center, the loosening of the clamping block 5 is avoided, the front ends have larger clamping force after the building material is clamped, the loosening of the building material is avoided, and the clamping block 5 contacts with the building material to be tested through the anti-slip raised strips 15, besides increasing the surface roughness of the clamping block 5, improving the friction, if the material of the building material is softer, the wedge-shaped anti-slip raised strips 15 are also sunk into the building material under pressure, and the movement of the building material is prevented through the plane of the lower end, and the clamping stability is improved.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a tensile anchor clamps of using of building materials, includes main part seat (1), its characterized in that: the utility model discloses a screw rod, including main part seat (1), cavity (2) have been seted up on main part seat (1), cavity (2) both ends are equipped with adjustable shelf (3), main part seat (1) both ends are equipped with rather than complex threaded rod (4), threaded rod (4) and adjustable shelf (3) cooperation, be equipped with clamp splice (5) of mutually supporting on adjustable shelf (3), clamp splice (5) one end fixed connection is equipped with installation piece (6), set up on adjustable shelf (3) with installation piece (6) complex mounting groove (7), constant head tank (8) have been seted up to cavity (2) upper end, constant head tank (8) internal rotation connection is equipped with lead screw (9), the screw thread at lead screw (9) both ends sets up relatively, constant head tank (8) both ends sliding connection is equipped with locating plate (10), locating plate (10) and lead screw (9) cooperation.

2. The fixture for stretching building materials according to claim 1, wherein: the lower end of the clamping block (5) is fixedly connected with a limiting spring (11), and one end of the clamping block (5) is provided with a fitting groove (12) matched with the limiting spring (11).

3. The fixture for stretching building materials according to claim 2, wherein: the cavity (2) is provided with a sliding groove (13), one end of the movable frame (3) is rotatably connected with a sliding rod (14), and the sliding rod (14) is in sliding fit with the sliding groove (13).

4. The fixture for stretching building materials according to claim 1, wherein: a plurality of anti-slip raised strips (15) are uniformly arranged on the clamping blocks (5) along the vertical direction, and the anti-slip raised strips (15) are wedge-shaped with upward inclination angles.

5. The fixture for stretching building materials according to claim 1, wherein: the movable frame (3) is provided with a fixed bolt (16), the fixed bolt (16) is in threaded fit with the movable frame (3), the upper end of the fixed bolt (16) is provided with a bolt cap (17), the fixed bolt (16) is provided with a pressing piece (18), and the pressing piece (18) is in rotary fit with the fixed bolt (16).

6. The fixture for stretching building materials according to claim 1, wherein: one end of the threaded rod (4) is provided with a rotating head (19), and the rotating head (19) is provided with a manual handle (20) which is in sliding fit with the rotating head.

7. The fixture for stretching building materials according to claim 1, wherein: one end of the screw rod (9) penetrates through the main body seat (1) and is provided with a rotating handle (21), the screw rod (9) is fixedly connected with a driving wheel (22), and the driving wheel (22) is provided with a driving belt (23) matched with the driving wheel.