Building construction steel pipe strength detection machine

Abstract

The utility model relates to the technical field of building construction, in particular to a building construction steel pipe strength detection machine which comprises a machine body and a detection device. The protection mechanism comprises a protection shell, and the protection shell is arranged on the upper surface of the base; the clamping mechanism comprises a hydraulic air cylinder which is arranged on the surface of the support. According to the utility model, the protective shell and the protective door are hinged, the protective door and the observation window are fixedly connected, the protective shell and the insertion block are fixedly connected, the protective door and the compression spring are fixedly connected, the compression spring and the connecting block are fixedly connected, the connecting block and the insertion block are fixedly connected, and the connecting block and the shifting block are fixedly connected; the protective shell and the protective door can play a role in protection, so that chippings generated when the steel pipe is snapped are prevented from splashing out to injure an operator, the operator can normally observe the test condition through the observation window, and meanwhile, the protective door is opened and closed through the insertion block, the insertion block and the shifting block.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, concretely is a kind of building construction steel pipe strength detection machine. BACKGROUND

[0002] Tensile strength is the critical value of the transition from uniform plastic deformation to local concentrated plastic deformation of metal, and it is also the maximum load-carrying capacity of metal under static tension. Tensile strength represents the resistance of the maximum uniform plastic deformation of the material.

[0003] Before the metal bears the maximum tensile stress, the deformation is uniform, but after exceeding, the metal begins to appear necking phenomenon, that is, concentrated deformation occurs. The steel pipes used in building construction need to be sampled for tensile strength test before use to detect their tensile strength. If the strength does not meet the standard, it cannot be put into use, otherwise the buildings built also have safety hazards. However, the existing tensile strength testing machine produces steel pipe debris flying out when the steel pipe is pulled apart during testing, which can easily cause harm to the operator. SUMMARY

[0004] The utility model aims at providing a kind of building construction steel pipe strength detection machine to solve the problem that the existing tensile strength testing machine produces steel pipe debris flying out when the steel pipe is pulled apart during testing, which can easily cause harm to the operator as proposed in the above background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of building construction steel pipe strength detection machine, comprising:

[0006] The machine body includes a base, the upper surface of the base is fixedly connected with a support, and the surface of the support is provided with a detection device;

[0007] The protection mechanism includes a protective shell, the protective shell is arranged on the upper surface of the base, the surface of the protective shell is hingedly connected with a protective door, the surface of the protective door is fixedly connected with an observation window, the surface of the protective shell is fixedly connected with a plug-in block, the inner surface of the protective door is fixedly connected with a compression spring, one end of the compression spring away from the protective door is fixedly connected with a connecting block, one side of the connecting block away from the compression spring is fixedly connected with a plug, and the surface of the connecting block is fixedly connected with a push block;

[0008] The clamping mechanism includes a hydraulic cylinder, the hydraulic cylinder is arranged on the surface of the support, the output end of the hydraulic cylinder is movably connected with a push rod, one end of the push rod away from the hydraulic cylinder is fixedly connected with a clamping block, the surface of the clamping block is movably connected with a clamping plate, the surface of the clamping plate is provided with a roll mark, and the surface of the clamping block is screw-connected with a mounting bolt.

[0009] Preferably, the protective door is plate-shaped, the observation window is movably connected with the protective door and the protective shell, and the plug-in block is block-shaped.

[0010] Preferably, the plug-in block is movably connected with the protective shell and the protective door, and the surface of the protective door and the plug-in block is provided with a rectangular through slot.

[0011] Preferably, the two ends of the compression spring are fixedly connected with the protective door and the connecting block respectively, the connecting block is cylindrical, and the connecting block is slidably connected with the protective door through the compression spring.

[0012] Preferably, the cross section of the plug-in block is a right-angled triangle, the inclined surface of the plug-in block faces the plug-in block, and the plug-in block is slidably connected with the plug-in block through the connecting block and the compression spring.

[0013] Preferably, the surface of the protective door is provided with a strip-shaped sliding groove, the push block slides in the sliding groove, and the push rod is cylindrical.

[0014] Preferably, the clamping plate is plate-shaped, the mounting bolt is threadedly connected with the clamping plate, and the clamping block and the clamping plate are slidably connected with the support through the push rod and the hydraulic cylinder.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The protective shell and the protective door are hingedly connected, the protective door and the observation window are fixedly connected, the protective shell and the plug-in block are fixedly connected, the protective door and the compression spring are fixedly connected, the compression spring and the connecting block are fixedly connected, the connecting block and the plug-in block are fixedly connected, the connecting block and the push block are fixedly connected, the protective shell and the protective door can play a protective role, so that the flying debris generated when the steel pipe is pulled apart does not harm the operator, the observation window enables the operator to normally observe the test situation, and meanwhile, the plug-in block, the plug-in block and the push block realize the opening and closing of the protective door.

[0017] 2. The hydraulic cylinder and the push rod are movably connected, the push rod and the clamping block are fixedly connected, the clamping block and the clamping plate are movably connected, the surface of the clamping plate is provided with a roll thread, the clamping block and the mounting bolt are threadedly connected, the hydraulic cylinder can push the clamping block and the clamping plate to clamp the steel pipe, so that the steel pipe can be better fixed, the stability of the steel pipe is improved, the roll thread can increase the friction between the clamping plate and the steel pipe, so that the steel pipe does not slip off the clamping plate during detection, the test is safer, the mounting bolt realizes the replaceability of the clamping plate, and the clamping of the steel pipe by the clamping plate is not weakened due to the wear of the surface of the clamping plate after long-term use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure front view of the utility model;

[0019] Figure 2The internal structure front view schematic view of the utility model;

[0020] Figure 3 The structure three-dimensional partial section view schematic view of the utility model door lock structure;

[0021] Figure 4 The structure three-dimensional partial schematic view of the utility model clamping mechanism;

[0022] Figure 5 The utility model discloses Figure 4 The enlarged structure schematic view of A place in the middle.

[0023] In the figure: 1, base; 11, support; 12, detection device; 2, protective shell; 21, protective door; 22, observation window; 23, plug-in block; 24, compression spring; 25, connecting block; 26, plug block; 27, dial block; 3, hydraulic cylinder; 31, push rod; 32, clamping block; 33, clamping plate; 34, roll mark; 35, mounting bolt. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides an embodiment:

[0026] A kind of building construction steel pipe strength detection machine, comprising:

[0027] Machine body, including base 1, base 1 is used to support support 11 and detection device 12, the upper surface of base 1 is fixedly connected with support 11, support 11 is used to realize the up-down movement of detection device 12, the surface of support 11 is provided with detection device 12, detection device 12 is used to pull steel pipe to realize the detection of steel pipe, support 11 and detection device 12 are all existing products, not as the technical protection point of this application, not make too much statement here;

[0028] The protection mechanism comprises a protection shell 2 arranged on the upper surface of the base 1, the surface of the protection shell 2 is hingedly connected with a protection door 21, the protection shell 2 and the protection door 21 are used to play a protection role, prevent the flying-out of the debris generated when the steel pipe is pulled apart from hurting the operators, the surface of the protection door 21 is fixedly connected with an observation window 22, the observation window 22 enables the operators to normally observe the test situation, the surface of the protection shell 2 is fixedly connected with a plug-in block 23, the plug-in block 23 is used to realize the closing of the protection door 21, the inner surface of the protection door 21 is fixedly connected with a compression spring 24, the compression spring 24 is used to push the plug-in block 26 back to the original position, make the plug-in block 26 inserted into the plug-in block 23, thereby realizing the closing of the protection door 21, the end, away from the protection door 21, of the compression spring 24 is fixedly connected with a connecting block 25, the connecting block 25 is used to connect the compression spring 24, the plug-in block 26 and a push block 27, and is used to extrude the compression spring 24 at the same time, the side, away from the compression spring 24, of the connecting block 25 is fixedly connected with the plug-in block 26, the plug-in block 26 is inserted into the plug-in block 23, thereby realizing the closing of the protection door 21, the surface of the connecting block 25 is fixedly connected with the push block 27, the push block 27 is used to push the connecting block 25, thereby driving the plug-in block 26 to separate from the plug-in block 23, and then the protection door 21 can be opened.

[0029] The clamping mechanism comprises a hydraulic cylinder 3 arranged on the surface of the support 11, the output end of the hydraulic cylinder 3 is movably connected with a push rod 31, the hydraulic cylinder 3 and the push rod 31 are used to push the clamping block 32 and the clamping plate 33 to clamp the steel pipe, the end, away from the hydraulic cylinder 3, of the push rod 31 is fixedly connected with the clamping block 32, the clamping block 32 is used to install the clamping plate 33, the surface of the clamping block 32 is movably connected with the clamping plate 33, the clamping plate 33 is used to clamp the steel pipe, the surface of the clamping plate 33 is provided with a roll 34, the roll 34 is used to increase the friction between the clamping plate 33 and the steel pipe, so that the steel pipe will not slip away from the clamping plate 33 during the detection, and the test is safer, the surface of the clamping block 32 is screwedly connected with an installation bolt 35, the installation bolt 35 is used to realize the replaceability of the clamping plate 33, the hydraulic cylinder 3 is an existing product, and is not taken as the technical protection point of the present application, and will not be described in detail here.

[0030] Further, the protection door 21 is in the form of a plate, the protection shell 2 and the protection door 21 are used to play a protection role, prevent the flying-out of the debris generated when the steel pipe is pulled apart from hurting the operators, the observation window 22 is movably connected with the protection door 21 and the protection shell 2, the observation window 22 enables the operators to normally observe the test situation, the plug-in block 23 is in the form of a block.

[0031] Further, the plug-in block 23 is movably connected with the protection shell 2 and the protection door 21, the surfaces of the protection door 21 and the plug-in block 23 are both provided with a rectangular through slot, the plug-in block 23 is used to realize the closing of the protection door 21.

[0032] Further, the two ends of the compression spring 24 are fixedly connected with the protective door 21 and the connecting block 25 respectively, the compression spring 24 is used for pushing the inserted block 26 back to the original position, the inserted block 26 is inserted into the plug-in block 23, so that the closure of the protective door 21 is realized, the connecting block 25 is in the shape of a cylinder, the connecting block 25 is slidably connected with the compression spring 24 and the protective door 21, the connecting block 25 is used for connecting the compression spring 24, the inserted block 26 and the push block 27, and is used for extruding the compression spring 24.

[0033] Further, the cross section of the inserted block 26 is in the shape of a right triangle, the inclined surface of the inserted block 26 faces the plug-in block 23, the inserted block 26 is slidably connected with the plug-in block 23 through the connecting block 25 and the compression spring 24, the inserted block 26 is inserted into the plug-in block 23, so that the closure of the protective door 21 is realized.

[0034] Further, a strip-shaped sliding groove is formed on the surface of the protective door 21, the push block 27 slides in the sliding groove, the push block 27 is used for pushing the connecting block 25, so that the inserted block 26 is separated from the plug-in block 23, and then the protective door 21 can be opened, the push rod 31 is in the shape of a cylinder, the hydraulic cylinder 3 and the push rod 31 are used for pushing the clamping block 32 and the clamping plate 33 to clamp the steel pipe.

[0035] Further, the clamping block 32 is used for mounting the clamping plate 33, the clamping plate 33 is in the shape of a plate, the clamping plate 33 is used for clamping the steel pipe, the roll 34 is used for increasing the friction between the clamping plate 33 and the steel pipe, so that the steel pipe does not slip away from the clamping plate 33 during the detection, and the test is safer, the mounting bolt 35 is in threaded connection with the clamping plate 33, the mounting bolt 35 is used for realizing the replaceability of the clamping plate 33, the clamping block 32 and the clamping plate 33 are slidably connected with the support 11 through the push rod 31 and the hydraulic cylinder 3.

[0036] Working principle: before the detection starts, the steel pipe is placed between the two groups of clamping plates 33, the hydraulic cylinder 3 starts to push the clamping plate 33 to clamp the lower end of the steel pipe, then the detection device 12 moves downward to clamp the upper end of the steel pipe, then the protective door 21 is buckled to the protective shell 2, the plug-in block 23 and the inserted block 26 are in contact, the inserted block 26 retreats, when the inserted block 26 and the through groove on the surface of the plug-in block 23 are located on the same horizontal line, the compression spring 24 rebounds to push the inserted block 26 to be inserted into the plug-in block 23, so that the protective door 21 is tightly closed, at this time, the opening device makes the detection device 12 pull the steel pipe to start the strength detection, the protective shell 2 and the protective door 21 can play a protective role, so as to prevent the flying debris from the broken steel bar from hurting the operator, and the operator can observe the detection situation through the observation window 22, after the detection is completed, the operator records the data.

[0037] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than by the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A construction steel pipe strength testing machine, characterized by, Include: The body includes a base (1), the upper surface of the base (1) is fixedly connected with the support (11), the surface of the support (11) is provided with detection device (12); The protection mechanism includes a protection shell (2), which is arranged on the upper surface of the base (1), and the surface of the protection shell (2) is hingedly connected with a protection door (21), the surface of the protection door (21) is fixedly connected with an observation window (22), the surface of the protection shell (2) is fixedly connected with a plug-in block (23), the inner surface of the protection door (21) is fixedly connected with a compression spring (24), one end of the compression spring (24) away from the protection door (21) is fixedly connected with a connecting block (25), one side of the connecting block (25) away from the compression spring (24) is fixedly connected with a plug block (26), the surface of the connecting block (25) is fixedly connected with a dial block (27); The clamping mechanism includes a hydraulic cylinder (3), the hydraulic cylinder (3) is arranged on the surface of the support (11), the output end of the hydraulic cylinder (3) is movably connected with a push rod (31), one end of the push rod (31) away from the hydraulic cylinder (3) is fixedly connected with a clamping block (32), the surface of the clamping block (32) is movably connected with a clamping plate (33), the surface of the clamping plate (33) is provided with a roll (34), the surface of the clamping block (32) is threadedly connected with a mounting bolt (35).

2. The construction steel pipe strength testing machine according to claim 1, characterized in that: The protection door (21) is plate-shaped, the observation window (22) is movably connected with the protection door (21) and the protection shell (2), and the plug-in block (23) is block-shaped.

3. The construction steel pipe strength testing machine according to claim 1, characterized in that: The plug-in block (23) is movably connected with the protection shell (2) and the protection door (21), and the surfaces of the protection door (21) and the plug-in block (23) are both provided with a rectangular through slot.

4. The construction steel pipe strength testing machine of claim 1, wherein: Both ends of the compression spring (24) are fixedly connected with the protection door (21) and the connecting block (25) respectively, the connecting block (25) is cylindrical, and the connecting block (25) is slidably connected with the protection door (21) through the compression spring (24).

5. The construction steel pipe strength testing machine of claim 1, wherein: The cross section of the plug block (26) is a right triangle, the inclined surface of the plug block (26) faces the plug-in block (23), and the plug block (26) is slidably connected with the plug-in block (23) through the connecting block (25) and the compression spring (24).

6. The construction steel pipe strength testing machine of claim 1, wherein: The surface of the protection door (21) is provided with a strip-shaped sliding groove, the dial block (27) slides in the sliding groove, and the push rod (31) is cylindrical.

7. The construction steel pipe strength testing machine of claim 1, wherein: The clamping plate (33) is plate-shaped, the mounting bolt (35) and the clamping plate (33) are threadedly connected, and the clamping block (32) and the clamping plate (33) are slidably connected with the support (11) through the push rod (31) and the hydraulic cylinder (3).

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