阅读说明：本技术 一种隔热型柔性耐火电缆用电缆拉力测试装置 (Cable tension testing device for heat-insulation flexible fire-resistant cable ) 是由 魏正枪 于 2021-06-25 设计创作，主要内容包括：本发明公开了一种隔热型柔性耐火电缆用电缆拉力测试装置,涉及电缆拉力测试装置技术领域,为解决现有技术中的电缆在使用过程中会遭遇恶劣的自然环境,对其拉力和韧性都是一种考验,所以要对其进行拉力测试,在测试时电缆会因为拉力崩坏,电缆惯性弹开,对实验员或是装置本身造成伤害,引起危险的问题。所述测试装置主体壳的顶部设置有固定板,所述固定板的顶部设置有防护底板,所述防护底板的顶部设置有防护侧板,且防护侧板有两个,所述防护侧板的顶部设置有防护顶板,所述防护侧板远离固定板的一侧设置有拉动立柱,且拉动立柱的表面设置有第一磁条,所述固定板远离拉动立柱的一侧设置有移动板,且移动板的另一侧设置有旋转电机。(The invention discloses a cable tension testing device for a heat-insulation flexible fire-resistant cable, relates to the technical field of cable tension testing devices, and aims to solve the problem that in the prior art, the cable is subjected to a severe natural environment in the using process, the tension and the toughness of the cable are tested, so that the cable needs to be subjected to tension testing, and the cable is damaged due to tension collapse and cable inertia flicking during testing, so that a tester or the device is damaged, and danger is caused. The top of testing arrangement main part shell is provided with the fixed plate, the top of fixed plate is provided with the protection bottom plate, the top of protection bottom plate is provided with the protection curb plate, and the protection curb plate has two, the top of protection curb plate is provided with the protection roof, one side that the fixed plate was kept away from to the protection curb plate is provided with the pulling stand, and the surface of pulling stand is provided with first magnetic stripe, one side that the pulling stand was kept away from to the fixed plate is provided with the movable plate, and the opposite side of movable plate is provided with rotating electrical machines.)

1. The utility model provides a flexible fire-resistant cable pulling force testing arrangement for cable of thermal-insulated type, includes testing arrangement main part shell (1), its characterized in that: the testing device is characterized in that a fixed plate (13) is arranged at the top of the testing device main body shell (1), a protective bottom plate (7) is arranged at the top of the fixed plate (13), protective side plates (6) are arranged at the top of the protective bottom plate (7), two protective side plates (6) are arranged, a protective top plate (9) is arranged at the top of each protective side plate (6), a pulling upright post (2) is arranged on one side, away from the fixed plate (13), of each protective side plate (6), a first magnetic stripe (22) is arranged on the surface of each pulling upright post (2), a movable plate (11) is arranged on one side, away from the pulling upright post (2), of each fixed plate (13), a rotating motor (16) is arranged on the other side of each movable plate (11), the rotating motor (16) is connected with the testing device main body shell (1) through a clamping groove, and a rotating rod (14) is arranged between the rotating motor (16) and the fixed plate (13), the rotating rod (14) is connected with the rotating motor (16) through a clamping groove.

2. The cable tension testing device for the heat-insulating flexible fire-resistant cable according to claim 1, wherein: one side of testing arrangement main part shell (1) is provided with control panel (17), the surface of control panel (17) is provided with shift button (19), and shift button (19) have a plurality ofly.

3. The cable tension testing device for the heat insulation type flexible fire-resistant cable according to claim 2, wherein: one side of the moving button (19) is provided with a speed regulation knob (18), the other side of the moving button (19) is provided with a switch (20), and the rotating motor (16) is electrically connected with the speed regulation knob (18), the moving button (19) and the switch (20).

4. The cable tension testing device for the heat-insulating flexible fire-resistant cable according to claim 1, wherein: the top of pulling stand (2) is provided with rotating head (5), the bottom of rotating head (5) is provided with rotary rod (4), the bottom of rotary rod (4) is provided with stopper (3), and rotary rod (4) are connected through the bearing rotation with stopper (3).

5. The cable tension testing device for the heat-insulating flexible fire-resistant cable according to claim 4, wherein: stopper (3) and pulling stand (2) pass through slide sliding connection, the surface that pulling stand (2) and stopper (3) are close to each other all is provided with anti-skidding line (21).

6. The cable tension testing device for the heat-insulating flexible fire-resistant cable according to claim 1, wherein: be provided with expansion plate (8) between movable plate (11) and protection bottom plate (7), expansion plate (8) pass through spout sliding connection with protection curb plate (6) and protection bottom plate (7), the surface of movable plate (11) is provided with third magnetic stripe (25), third magnetic stripe (25) and expansion plate (8) inter attraction.

7. The cable tension testing device for the heat-insulating flexible fire-resistant cable according to claim 1, wherein: be provided with between rotary rod (14) and movable plate (11) and rotate ring (26), it is connected through the internal thread rotation to rotate ring (26) and rotary rod (14), it is connected through the draw-in groove rotation to rotate ring (26) and movable plate (11).

8. The cable tension testing device for the heat-insulating flexible fire-resistant cable according to claim 1, wherein: the both sides of rotary rod (14) all are provided with gag lever post (15), gag lever post (15) and testing arrangement main part shell (1) and fixed plate (13) welded connection, gag lever post (15) pass through draw-in groove sliding connection with movable plate (11).

9. The cable tension testing device for the heat-insulating flexible fire-resistant cable according to claim 1, wherein: one side of the protection top plate (9) close to the protection side plate (6) is provided with two second magnetic stripes (24), and the second magnetic stripes (24) are two, and the transparent plate (23) is arranged in the protection top plate (9).

10. The cable tension testing device for the heat-insulating flexible fire-resistant cable according to claim 1, wherein: the top of the moving plate (11) is provided with a tension detector (10), and one side, close to the pulling upright post (2), of the tension detector (10) is provided with a clamp (12).

Technical Field

The invention relates to the technical field of cable tension testing devices, in particular to a cable tension testing device for a heat-insulation flexible fire-resistant cable.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation.

However, the existing cable encounters a severe natural environment in the use process, the tensile force and the toughness of the cable are tested, so that the cable needs to be subjected to a tensile force test, and the cable is broken due to the tensile force during the test, the cable is bounced open due to inertia, and the cable damages a laboratory worker or the device and causes danger; therefore, the existing requirements are not met, and a cable tension testing device for the heat-insulation flexible fire-resistant cable is provided for the requirements.

Disclosure of Invention

The invention aims to provide a cable tension testing device for a heat-insulation flexible fire-resistant cable, which aims to solve the problem that the cable provided by the background technology meets a severe natural environment in the using process, and the tension and the toughness of the cable are tested, so that the cable is required to be subjected to tension testing, and the cable is broken due to tension during testing, the cable is bounced open due to inertia, and the cable damages a laboratory worker or the device and causes danger.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a flexible cable pulling force testing arrangement for fire resisting cable of thermal-insulated type, includes testing arrangement main part shell, the top of testing arrangement main part shell is provided with the fixed plate, the top of fixed plate is provided with the protection bottom plate, the top of protection bottom plate is provided with the protection curb plate, and the protection curb plate has two, the top of protection curb plate is provided with the protection roof, one side that the fixed plate was kept away from to the protection curb plate is provided with the pulling stand, and the surface of pulling stand is provided with first magnetic stripe, one side that the pulling stand was kept away from to the fixed plate is provided with the movable plate, and the opposite side of movable plate is provided with the rotating electrical machines, the rotating electrical machines passes through the draw-in groove with testing arrangement main part shell and is connected, drives to be provided with the rotary rod between rotating electrical machines and the fixed plate, the rotary rod passes through the draw-in groove with the rotating electrical machines and is connected.

Preferably, one side of the testing device main body shell is provided with a control panel, the surface of the control panel is provided with a plurality of moving buttons.

Preferably, one side of the moving button is provided with a speed regulation knob, the other side of the moving button is provided with a switch, and the rotating motor is electrically connected with the speed regulation knob, the moving button and the switch.

Preferably, the top of pulling stand is provided with the rotating head, the bottom of rotating head is provided with the rotary rod, the bottom of rotary rod is provided with the stopper, and the rotary rod passes through the bearing rotation with the stopper and is connected.

Preferably, the stopper passes through slide sliding connection with the pulling stand, the pulling stand all is provided with anti-skidding line with the surface that the stopper is close to each other.

Preferably, be provided with the expansion plate between movable plate and the protection bottom plate, the expansion plate passes through spout sliding connection with protection curb plate and protection bottom plate, the surface of movable plate is provided with the third magnetic stripe, third magnetic stripe and expansion plate inter attraction.

Preferably, a rotating ring is arranged between the rotating rod and the moving plate, the rotating ring is rotatably connected with the rotating rod through internal threads, and the rotating ring is rotatably connected with the moving plate through a clamping groove.

Preferably, the both sides of rotary rod all are provided with the gag lever post, gag lever post and testing arrangement main part shell and fixed plate welded connection, the gag lever post passes through draw-in groove sliding connection with the movable plate.

Preferably, one side of the protection top plate, which is close to the protection side plate, is provided with two second magnetic stripes, and the inside of the protection top plate is provided with a transparent plate.

Preferably, a tension detector is arranged at the top of the moving plate, and a clamp is arranged on one side, close to the pulling upright post, of the tension detector.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the design that the protection side plate, the protection bottom plate, the expansion plate and the protection top plate are mutually matched, when the cable is broken, the protection side plate, the protection bottom plate, the expansion plate and the protection top plate are completely wrapped around the cable, so that the way of the cable contacting with the device or an experimenter is cut off, the safety of the experimenter can be effectively protected, the possibility of damage to the device is effectively reduced, and the safety performance of the device is higher;

2. according to the invention, the protective side plate, the protective bottom plate, the expansion plate and the protective top plate are detachably designed, and the first magnetic stripe, the second magnetic stripe and the third magnetic stripe are used for fixing the protective side plate, the protective bottom plate, the expansion plate and the protective top plate, so that the connection structure is simpler, the damaged protective side plate, protective bottom plate, expansion plate or protective top plate can be conveniently and quickly detached, the operation by a laboratory technician is easy, the damage rate of the tension detection device in use is reduced to the minimum, the service life of the device is prolonged, and the connection structure is simpler, more convenient and more convenient to use

3. According to the invention, the whole length of the protection structure can be changed when the movable plate moves through the telescopic plate, so that the protection side plate, the protection bottom plate, the telescopic plate and the protection top plate are always completely wrapped around the cable when a tension test is carried out, the possibility of damage to the device is effectively reduced, the safety of experimenters is protected, and the use safety of the device is improved.

Drawings

FIG. 1 is an overall elevational view of the present invention;

FIG. 2 is a schematic view of the connection structure of the pulling upright post and the protection base plate according to the present invention;

FIG. 3 is a schematic view of the connection structure of the protection top plate and the protection side plate of the present invention;

FIG. 4 is a schematic view of the connection structure of the moving plate and the rotating rod according to the present invention;

fig. 5 is a schematic view of a connection structure of the retractable plate and the movable plate according to the present invention.

In the figure: 1. a test device body housing; 2. pulling the upright post; 3. a limiting block; 4. rotating the rod; 5. rotating the head; 6. a protective side plate; 7. a protective base plate; 8. a retractable plate; 9. a protective roof; 10. a tension detector; 11. moving the plate; 12. a clamp; 13. a fixing plate; 14. rotating the rod; 15. a limiting rod; 16. a rotating electric machine; 17. a control panel; 18. a speed regulation knob; 19. a movement button; 20. a switch; 21. anti-skid lines; 22. a first magnetic stripe; 23. a transparent plate; 24. a second magnetic stripe; 25. a third magnetic stripe; 26. and (6) rotating the ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an embodiment of the present invention is shown: a cable tension testing device for a heat insulation type flexible fire-resistant cable comprises a testing device main body shell 1, wherein a fixing plate 13 is arranged at the top of the testing device main body shell 1, a protective bottom plate 7 is arranged at the top of the fixing plate 13, protective side plates 6 are arranged at the top of the protective bottom plate 7, two protective side plates 6 are arranged, a protective top plate 9 is arranged at the top of the protective side plate 6, the protective side plates 6, the protective bottom plate 7, a telescopic plate 8 and the protective top plate 9 are mutually matched, when the cable is broken, the protective side plates 6, the protective bottom plate 7, the telescopic plate 8 and the protective top plate 9 are completely wrapped around the cable, the way of contacting the cable with the device or with a laboratory technician is broken, the safety of the laboratory technician can be effectively protected, the possibility of damage of the device is effectively reduced, the service life of the device is prolonged, one side, far away from the fixing plate 13, of the protective side plates 6 is provided with a pulling upright post 2, the surface of the pulling upright post 2 is provided with the first magnetic stripe 22, the protective side plate 6, the protective bottom plate 7, the expansion plate 8 and the protective top plate 9 are detachably designed, and the first magnetic stripe 22, the second magnetic stripe 24 and the third magnetic stripe 25 are used for fixing the protection side plate, the protective bottom plate 7, the expansion plate 8 or the protective top plate 9, which are damaged, the connection structure is simpler, the damaged protective side plate 6, the protective bottom plate 7, the expansion plate 8 or the protective top plate 9 can be conveniently and quickly disassembled, and the operation of a laboratory technician is easy, so that the damage rate of the tension detection device in use is reduced to the minimum, one side of the fixed plate 13, which is far away from the pulling upright post 2, is provided with the movable plate 11, the other side of the movable plate 11 is provided with the rotating motor 16, the rotating motor 16 is connected with the main body shell 1 of the testing device through a clamping groove, a rotating rod 14 is arranged between the rotating motor 16 and the fixed plate 13, and the rotating rod 14 is connected with the rotating motor 16 through the clamping groove, the position of the rotating motor 16 is fixed, so that the subsequent tension test can be conveniently and normally operated.

Further, one side of testing arrangement main part shell 1 is provided with control panel 17, and control panel 17's surface is provided with shift knob 19, and shift knob 19 has a plurality ofly, goes the operational mode of operation rotating electrical machines 16 through various buttons on control panel 17, and the laboratory technician operates more convenient.

Further, a speed regulation knob 18 is arranged on one side of the moving button 19, a switch 20 is arranged on the other side of the moving button 19, the rotating motor 16 is electrically connected with the speed regulation knob 18, the moving button 19 and the switch 20, the switch 20 on the control panel 17 is pressed to start the device, the rotating speed of the rotating motor 16 is adjusted by rotating the speed regulation knob 18, then the moving button 19 is pressed to control the rotating motor 16 to rotate forwards or backwards, and the operation is more convenient and rapid.

Further, the top of pulling stand 2 is provided with rotating head 5, and the bottom of rotating head 5 is provided with rotary rod 4, and the bottom of rotary rod 4 is provided with stopper 3, and rotary rod 4 passes through the bearing with stopper 3 and rotates and be connected, and rotation through rotating head 5 makes rotary rod 4 rotate, and stopper 3 descends, presss from both sides tightly the one end of cable, easy operation, and it is more convenient to use.

Further, stopper 3 and pulling stand 2 pass through slide sliding connection, and the surface that pulling stand 2 and stopper 3 are close to each other all is provided with anti-skidding line 21, and their surperficial anti-skidding line 21 makes the frictional force increase to the cable surface, places the cable and breaks away from when the pulling test, guarantees normally carrying out the tensile test of device.

Further, be provided with expansion plate 8 between movable plate 11 and the protection bottom plate 7, expansion plate 8 passes through spout sliding connection with protection curb plate 6 and protection bottom plate 7, the surface of movable plate 11 is provided with third magnetic stripe 25, third magnetic stripe 25 and expansion plate 8 inter attraction, can be when movable plate 11 removes through expansion plate 8, change protective structure's whole length, guarantee to this that protection curb plate 6 when carrying out the tensile test, protection bottom plate 7, expansion plate 8 and protection roof 9 wrap up around the cable completely all the time, can effectual protection laboratory technician's safety, and effectively reduced the possibility of device damage, the security of device use has been improved.

Further, a rotating ring 26 is arranged between the rotating rod 14 and the moving plate 11, the rotating ring 26 is rotatably connected with the rotating rod 14 through internal threads, the rotating ring 26 is rotatably connected with the moving plate 11 through a clamping groove, when the rotating motor 16 rotates forwards, the rotating rod 14 also rotates forwards, and accordingly the rotating ring 26 rotates on the rotating rod 14, the limiting rod 15 limits the position of the moving plate 11, the moving plate 11 cannot rotate, the moving plate 11 can be driven to move rightwards, cables are stretched, the structure is simple, and the use is convenient and fast.

Further, the both sides of rotary rod 14 all are provided with gag lever post 15, gag lever post 15 and testing arrangement main part shell 1 and fixed plate 13 welded connection, and gag lever post 15 passes through draw-in groove sliding connection with movable plate 11, and welded connection lets more firm of device, extension fixture's life, device more durable.

Further, one side of the protection top plate 9, which is close to the protection side plate 6, is provided with two second magnetic stripes 24, the protection bottom plate 7 and the protection side plate 6 are correspondingly placed on the first magnetic stripe 22 of the pulling upright column, the positions of the protection bottom plate 7 and the protection side plate 6 are fixed through magnetic force on the first magnetic stripe 22, the expansion plate 8 at the other end of the protection bottom plate 7 and the protection side plate 6 are correspondingly placed on the third magnetic stripe 25 of the moving plate 11 and are attracted through the third magnetic stripe 25, then the cable can be taken out, after the two ends of the cable are fixed, the protection top plate 9 can be taken out, the protection top plate 9 is fixed through the attraction of the second magnetic stripe 24 and the protection side plate 6, the integral protection measure of the tensile force testing device is completed, the transparent plate 23 is arranged inside the protection top plate 9, and the transparent plate 23 is convenient for observing the condition of the cable in the protection structure, so that the tensile test result is more comprehensive and convincing.

Further, the top of the moving plate 11 is provided with a tension detector 10, one side of the tension detector 10 close to the pulling upright post 2 is provided with a clamp 12, the tension detector 10 detects the tension applied to the cable in real time until the cable is broken, and the tension detector 10 can display the maximum tension finally borne, so that the laboratory technician can record the maximum tension.

The working principle is as follows: when the cable testing device is used, the protective bottom plate 7 and the protective side plate 6 are correspondingly placed on the first magnetic strip 22 of the pulling upright column, the positions of the protective bottom plate 7 and the protective side plate 6 are fixed through the magnetic force on the first magnetic strip 22, the telescopic plate 8 at the other ends of the protective bottom plate 7 and the protective side plate 6 is correspondingly placed on the third magnetic strip 25 of the movable plate 11 and is attracted through the third magnetic strip 25, a cable to be tested can be taken out, one end of the cable is placed on the pulling upright column 2 at the bottom of the limiting block 3, the rotating rod 4 is rotated through the rotation of the rotating head 5, the limiting block 3 descends, one end of the cable is clamped, the friction force on the surface of the cable is increased due to the anti-slip grains 21 on the surfaces of the cable, the other end of the cable is fixed through the clamp 12, the protective top plate 9 can be taken out after the two ends of the cable are fixed, the second magnetic strip 24 is attracted away from the protective side plate 6, the protection top plate 9 is fixed, the integral protection measure of the tension testing device is completed, then a switch 20 on a control panel 17 can be pressed to start the device, a speed regulating knob 18 is rotated to regulate the rotating speed of a rotating motor 16, a moving button 19 is pressed to control the rotating motor 16 to rotate forwards or reversely, when the rotating motor 16 rotates forwards, a rotating rod 14 also rotates forwards, a rotating ring 26 also rotates on the rotating rod 14, the limiting rod 15 limits the position of a moving plate 11, so that the moving plate 11 cannot rotate, the moving plate 11 can be driven to move rightwards, cables are stretched, a tension detector 10 detects the tension applied to the cables in real time until the cables break, the tension detector 10 displays the maximum tension finally born by an experimenter, so that the experimenter can record the moving plate 8 when the moving plate 11 moves, the protection side plate 6, the rotating rod 14 and the tension detector 10 can detect the tension applied to the tension of the cables in real time, Remove in the protection bottom plate 7, whole length to protective structure changes, can guarantee protection curb plate 6, protection bottom plate 7, expansion plate 8 and protection roof 9 wrap up around the cable completely, when the cable fracture, because protection curb plate 6, protection bottom plate 7, expansion plate 8 and protection roof 9 wrap up around the cable completely, the route of cable and device itself or with the contact of laboratory technician has been absolutely, can effectual protection laboratory technician's safety, the security performance of device has been improved, and effectively reduced the possibility of device damage, the life of device is prolonged.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.