CN216645820U

CN216645820U - Horizontal load resistance performance test device for railing

Info

Publication number: CN216645820U
Application number: CN202123174078.XU
Authority: CN
Inventors: 谭震; 奉文辉; 邓威特; 刘丹; 许梦兰; 康建彬; 秦敏; 谭云; 颜家兔
Original assignee: Hunan Xiangjian Zhike Engineering Technology Co ltd
Current assignee: Hunan Xiangjian Zhike Engineering Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-31
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a device for testing horizontal load resistance of a railing, which belongs to the technical field of the horizontal load resistance test of railings and comprises a base assembly, wherein a frame is fixedly arranged on the upper surface of the base assembly, a lower support assembly and an upper support assembly are sleeved on the frame, a rear support assembly is fixedly arranged on the other side of an upper lifting assembly, a dial indicator fixing plate is fixedly arranged on one side of the upper end of the upper lifting assembly, the structure is small and exquisite, the design is reasonable, in the horizontal load resistance test process of the railing, the problems that an equipment detection platform is difficult to build and consumes time and labor in the arrangement in the prior art are solved, the device is less influenced by field conditions, saves time and labor, reduces economic consumption, is convenient to carry and assemble during the test, greatly shortens the preparation working time before the horizontal thrust test of the railing, and improves the adaptability of the technical scheme by adjusting a screw rod, is convenient for using various railings.

Description

Horizontal load resistance performance test device for railing

Technical Field

The utility model relates to a device for testing the horizontal load resistance of a railing, in particular to a device for testing the horizontal load resistance of a railing, and belongs to the technical field of horizontal load resistance tests of railings.

Background

The railing is used as a matched part of a building and the like, and relates to a place where people often move, although the building railing does not belong to the structural category of a building main body, the quality of the working state of the building railing is still related to the safety of lives and properties of people, and therefore the characteristic inspection work of the railing is gradually paid attention. The building industry standard of the people's republic of China stipulates the test method, test rule and the like of the mechanical properties of the glass and metal balustrade for the building, wherein the test of the horizontal load resistance is the first necessary item of the mechanical property test project.

When carrying out horizontal load performance test of anti-level to the railing, need use the horizontal load performance experimental apparatus of railing to detect, railing horizontal thrust test device needs a series of instrument and equipment such as work platform, counter-force strutting arrangement, loading equipment, percentage table and support, nevertheless has equipment testing platform to establish the difficulty in the prior art, lays the problem of comparatively consuming time and wasting power moreover, is if the publication number is: CN205719527U, a device for detecting horizontal load resistance of a railing, comprising a support column, a test bed, a loading device, a support beam, a displacement meter and a displacement meter support column, wherein a U-shaped steel band is fixedly arranged at the top of the support column, a telescopic support beam abutting against one end of the loading device is arranged in the U-shaped steel band in a penetrating way, the lower part of the loading device is supported on the test bed, the other end of the loading device is fixedly connected with a guardrail sleeve abutting against the railing, the displacement meter is provided, each displacement meter comprises a displacement meter fixedly arranged on the railing and a magnetic meter seat fixedly arranged on the displacement meter support column, the device has low cost and light weight, each part can be separated and conveniently carried, the site detection is convenient, the device operation method is simple, the device can be well mastered and applied to the actual detection work by the detected personnel, but the construction is difficult when in use, and the problems of higher requirement on the site and poor applicability are solved, the use is inconvenient, and the problems are as follows: the publication number is: CN210071500U, a modular rail resists detection device of horizontal thrust, including testing platform, the last backup pad that is equipped with a pair of symmetry and sets up of testing platform, be equipped with detecting instrument between the backup pad that a pair of symmetry set up, detecting instrument's spring top is in the backup pad, the welding of the backup pad outside that a pair of symmetry set up has loading nut, loading nut and loading screw threaded connection, loading screw one end is equipped with the rocking handle, the loading screw other end is equipped with the loading head, the testing platform four corners is through supporting stud and the threaded sleeve threaded connection on the base, the base is through expansion bolts and balcony ground connection. The utility model adopts a combined structure, has simple structure, small volume, convenient carrying and quick assembly and can obtain accurate test data. The accuracy and the authenticity of a test result are guaranteed, and although the limitation on the site requirement is solved, the ground can be damaged when the test device is used, so that the test device is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a device for testing the horizontal load resistance of a handrail, which can conveniently test the horizontal thrust resistance of the handrail, greatly improve the experimental efficiency and is convenient to use.

The utility model achieves the aim through the following technical scheme, the handrail horizontal load resistance testing device comprises a base assembly, a frame is fixedly arranged on the upper surface of the base assembly, the frame comprises an adjusting lead screw, the adjusting lead screw is rotatably arranged in the middle of the upper surface of the base assembly, a tripod is rotatably arranged at the upper end of the adjusting lead screw, the frame also comprises guide rods, the guide rods are distributed in a triangular shape, the guide rods are fixedly arranged between the tripod and the base assembly, a lower support assembly is sleeved on the guide rods, an upper support assembly is sleeved on the guide rods and positioned at the upper end of the lower support assembly, the lower support assembly comprises a lower lifting assembly and a fixed assembly, the lower lifting assembly is sleeved on the guide rods and the adjusting lead screw, and the fixed assembly is fixedly arranged on one side of the lower lifting assembly, the upper supporting component consists of an upper lifting component and a force application component, the upper lifting component is sleeved on the guide rod and the adjusting screw rod, the force application component is fixedly arranged on one side of the upper lifting component, and the other side of the upper lifting component is fixedly provided with a rear support component, and one side of the upper end of the upper lifting component is fixedly provided with a dial indicator fixing plate, the frame also comprises a rotating disc, the rotating disc is fixedly connected with the upper end of the adjusting screw rod, the triangles on the upper surface of the tripod are all fixedly provided with fixing pins, the fixing pin is fixedly connected with the guide rod, the adjusting screw rod is provided with adjusting nuts which are respectively connected with the lower ends of the lower lifting component and the upper lifting component in a threaded manner, and the upper surface of the adjusting nut is respectively contacted with the lower surfaces of the lower lifting component and the upper lifting component.

Preferably, in order to facilitate moving and fixing, the base assembly is composed of a bottom frame, a walking wheel assembly is rotatably mounted on one side of the bottom frame, a foldable movable wheel assembly is fixedly mounted on the other side of the bottom frame, a bottom beam is fixedly mounted on the middle position of the bottom frame, a ball bearing is fixedly mounted on the middle position of the bottom beam, the adjusting screw rod is rotatably connected with the base assembly through the ball bearing, the lower end of the guide rod is fixedly mounted on the upper surface of the bottom frame, the walking wheel assembly comprises a shaft rod, the shaft rod is rotatably mounted at one end of the bottom frame, rotating blocks are fixedly mounted at two ends of the shaft rod, a walking wheel is rotatably mounted on one side of the rotating blocks, fixed blocks are fixedly mounted at positions, close to the shaft rod, of two sides of the bottom frame, and one side of the fixed blocks is in contact with the rotating blocks, just the movable wheel subassembly includes the movable wheel mounting bracket, just the inside rotation of movable wheel mounting bracket installs the assembly movable wheel, the movable wheel subassembly passes through movable wheel mounting bracket fixed mounting be in one side intermediate position of underframe, just one side inside rotation of movable wheel mounting bracket installs the driving lever, one side of driving lever with one side of assembly movable wheel contacts, just the inside lower extreme joint of movable wheel mounting bracket has the gag lever post, the lower extreme of driving lever cup joints on the gag lever post.

Preferably, in order to fix the lower end of the handrail and apply a reverse force, the lower lifting assembly comprises a lower lifting plate, a first linear ball bearing is fixedly mounted on a lower surface triangle of the lower lifting plate, the lower lifting plate is sleeved on the guide rod through the first linear ball bearing, a first sleeve is fixedly mounted at the middle position of the lower lifting plate, the lower lifting plate is sleeved on the adjusting screw rod through the first sleeve, the upper surface of the adjusting nut is in contact with the lower surface of the first sleeve, the fixing assembly is mounted on one side of the lower lifting plate on the lower lifting assembly, the fixing assembly comprises a fixing frame, a fixed screw sleeve is fixedly mounted on one side of the fixing frame, a lower supporting screw is connected to the inner thread of the fixed screw sleeve, and a fixed wall beam plate is rotatably mounted at one end of the lower supporting screw, the fixed wall beam plate is of a concave structure, the lower support screw rod is located on the fixed wall beam plate and one side of the fixing frame is connected with a lower support screw rod adjusting nut in a threaded mode, the other end of the fixed wall beam plate is connected with a fixed screw rod in a threaded mode, and a screw rod baffle is fixedly mounted at one end of the fixed screw rod.

Preferably, in order to use the railings with different specifications, the lower lifting assembly comprises a lower lifting plate, a first linear ball bearing is fixedly mounted on a lower surface triangle of the lower lifting plate, the lower lifting plate is sleeved on the guide rod through the first linear ball bearing, a first sleeve is fixedly mounted at the middle position of the lower lifting plate, the lower lifting plate is sleeved on the adjusting screw rod through the first sleeve, the upper surface of the adjusting nut is in contact with the lower surface of the first sleeve, the fixing assembly is mounted on one side of the lower lifting plate on the lower lifting assembly, the fixing assembly comprises a fixing frame, a fixed screw sleeve is fixedly mounted on one side of the fixing frame, a lower supporting screw rod is connected with the inner thread of the fixed screw sleeve, and a fixed wall beam plate is rotatably mounted at one end of the lower supporting screw rod, the fixed wall beam plate is of a G-shaped structure, the lower supporting lead screw is located on the fixed wall beam plate and one side of the fixing frame is connected with a lower supporting lead screw adjusting nut in a threaded mode, the fixed wall beam plate is connected with a fixed lead screw in a threaded mode above the other end of the fixed wall beam plate, and a lead screw baffle is fixedly mounted at one end of the fixed lead screw.

Preferably, in order to apply a horizontal loading force to the balustrade, the upper lifting assembly comprises an upper lifting plate, second linear ball bearings are fixedly mounted on the lower surface triangles of the upper lifting plate, the middle position of the upper lifting plate is fixedly mounted with a second sleeve, the upper lifting plate is sleeved on the guide rod and the adjusting screw rod through the second linear ball bearings and the second sleeve, the force application assembly is fixedly mounted on one side of the upper lifting plate, the dial indicator fixing plate is fixedly mounted on the upper lifting plate on the side opposite to the force application assembly, the force application assembly comprises a bearing box mounting seat, the bearing box mounting seat is fixedly mounted on one side of the upper surface of the upper lifting plate, a testing device bearing box is fixedly mounted inside the bearing box, and the force application rod is sleeved inside the testing device bearing box, and the two ends of the force application rod are fixedly provided with contact plates, the back support assembly comprises a back support mounting seat, the back support mounting seat is fixedly mounted on one side of the upper lifting plate, and one side of the back support mounting seat is connected with a back support lead screw in a threaded connection mode.

The utility model has the beneficial effects that: this technical scheme structure is small and exquisite, and reasonable in design, in carrying out anti horizontal load performance experimentation to the railing, the difficulty of setting up of equipment testing platform among the prior art has been solved, and lay the problem of comparatively consuming time and wasting force, it is less to receive the site conditions influence, time saving and labor saving, reduce economic consumption, and this device portable when experimental, the equipment is convenient, shorten railing horizontal thrust preparation operating time before experimental greatly, also improve the work efficiency when experimental, also solved simultaneously when exerting horizontal thrust to the railing through jack, the uneven problem that leads to the test result error great of atress between jack and the action point, and through adjusting the lead screw, improve this technical scheme's adaptability, be convenient for use various railings.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a partial enlarged view of the position A in the present invention.

Fig. 3 is a schematic view of the overall structure of the base assembly of the present invention.

Fig. 4 is a schematic view showing the overall structure of the movable wheel assembly of the present invention.

Fig. 5 is a schematic structural view of the lower lifting plate of the present invention.

Fig. 6 is a schematic structural view of an ascending/descending plate according to the present invention.

FIG. 7 is a schematic structural diagram of a carrying case of the testing apparatus of the present invention.

Fig. 8 is a schematic overall structure diagram of a fixing assembly according to a second embodiment of the present invention.

Fig. 9 is a schematic overall structure diagram of a fixing assembly according to a third embodiment of the present invention.

In the figure: 1. a base assembly; 11. a bottom frame; 12. a traveling wheel assembly; 121. a shaft lever; 122. rotating the block; 123. a traveling wheel; 124. a fixed block;

13. a movable wheel assembly; 131. a movable wheel mounting frame; 132. assembling a movable wheel; 133. a deflector rod; 134. a limiting rod;

14. a bottom beam; 15. a ball bearing;

2. a frame; 21. adjusting the lead screw; 22. a tripod; 23. a guide bar; 24. rotating the disc; 25. a fixing pin; 26. adjusting the nut;

3. a lower support assembly; 31. a lower lifting assembly; 311. a lower lifting plate; 312. a first linear ball bearing; 313. a first sleeve;

32. a fixing assembly; 321. a fixed mount; 322. fixing a screw sleeve; 323. a lower supporting lead screw; 324. fixing the wall beam plate; 325. a lower support screw rod adjusting nut; 326. fixing a lead screw; 327. a lead screw baffle; 4. an upper support assembly; 41. an upper lifting assembly; 411. an upper lifting plate; 412. a second linear ball bearing; 413. a second sleeve;

42. a force application assembly; 421. a load bearing box mounting seat; 422. a test device carrying box; 423. a force application rod; 424. a contact plate;

5. a back support assembly; 51. a back support mounting seat; 52. a rear support lead screw;

6. dial indicator fixed plate.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment,

Referring to fig. 1-9, the testing apparatus for testing horizontal load resistance of balustrade comprises a base assembly 1, a frame 2 is fixedly mounted on the upper surface of the base assembly 1, the frame 2 comprises an adjusting screw 21, the adjusting screw 21 is rotatably mounted at the middle position of the upper surface of the base assembly 1, a tripod 22 is rotatably mounted at the upper end of the adjusting screw 21, the frame 2 further comprises a guide rod 23, the guide rod 23 is triangularly distributed, the guide rod 23 is fixedly mounted between the tripod 22 and the base assembly 1, a lower support assembly 3 is sleeved on the guide rod 23, an upper support assembly 4 is sleeved on the upper end of the lower support assembly 3 on the guide rod 23, the lower support assembly 3 comprises a lower lifting assembly 31 and a fixing assembly 32, the lower lifting assembly 31 is sleeved on the guide rod 23 and the adjusting screw 21, the fixing assembly 32 is fixedly mounted at one side of the lower lifting assembly 31, the upper support assembly 4 comprises a lifting assembly 41 and a force application assembly 42, and the ascending and descending assembly 41 is sleeved on the guide rod 23 and the adjusting screw 21, the force application assembly 42 is fixedly installed on one side of the ascending and descending assembly 41, the back support assembly 5 is fixedly installed on the other side of the ascending and descending assembly 41, the dial indicator fixing plate 6 is fixedly installed on one side of the upper end of the ascending and descending assembly 41, the frame 2 further comprises a rotating disc 24, the rotating disc 24 is fixedly connected with the upper end of the adjusting screw 21, fixing pins 25 are fixedly installed on the upper surface triangles of the triangular frame 22, the fixing pins 25 are fixedly connected with the guide rod 23, adjusting nuts 26 are respectively connected with the lower ends of the descending and ascending and descending assembly 31 and the ascending and descending assembly 41 on the adjusting screw 21 through threads, and the upper surface of each adjusting nut 26 is respectively contacted with the lower surfaces of the descending and ascending and descending assembly 31 and the ascending and descending assembly 41.

When the utility model is used, firstly, a drawing is checked, the section size of a handrail component on the site is rechecked, modeling analysis is carried out by utilizing Midas software according to the actual section size, component arrangement and design load of the handrail actually measured on the site, and the specific calculation process is as follows:

a. and (3) calculating deformation values of all parts of the test handrail under the working condition that the uniformly distributed line load (q) acts on the handrail to play the first cross bar, and determining the deformation value of the test position of the handrail under the uniformly distributed load action.

b. And determining the numerical value of a certain concentrated load by adopting an superposition method and a trial algorithm, so that the displacement of the railing at the position under the action of the concentrated load is equivalent to the displacement under the action of the uniformly distributed linear load (q).

c. And analyzing according to the calculation result, determining the most unfavorable bending position of the handrail, and calculating an equivalent test load value.

With this device just to being examined the railing, through adjusting walking wheel subassembly 12 and movable wheel subassembly 13 for base subassembly 1 and ground make full contact, provide frictional force for the removal of this device.

Further, the lower lifting assembly 31 is adjusted to a height suitable for applying a counterforce to the device, and the device is connected with the guardrail through the fixing assembly 32.

Further, the upper lifting assembly 41 is adjusted to make the height of the upper supporting assembly 4 consistent with the height of the detected handrail for fixing, and a force application device (such as a jack) is installed in the force application assembly 42, and a displacement meter (a dial indicator) is installed on the dial indicator fixing plate 6.

Furthermore, adjust back support subassembly 5, guarantee that back support subassembly 5 equals with ground, the contained angle of back support subassembly 5 and this device to it is fixed with ground, make it can provide experimental counter-force.

Further, a test mode of graded loading is adopted, 0.20kN is applied as a pre-stress before formal inspection, then unloading is carried out, the instrument is in close contact with the railing and the counterforce wall, the initial reading of a displacement meter (dial indicator) is recorded, and the graded loading process is as follows:

a. a first stage: applying 20% equivalent load, observing the deformation of the handrail, recording the reading of a dial indicator, and checking whether the member has signs of fracture, yield and buckling;

b. and a second stage: applying 20% equivalent test load, observing the deformation of the handrail, recording the reading of a dial indicator, and checking whether the member has signs of fracture, yield and buckling;

c. and a third stage: applying 20% equivalent test load, observing the deformation of the handrail, recording the reading of a dial indicator, and checking whether the member has signs of fracture, yield and buckling;

d. fourth stage: applying 20% equivalent test load, observing the deformation of the handrail, recording the reading of a dial indicator, and checking whether the member has signs of fracture, yield and buckling;

e. and a fifth stage: applying 20% equivalent test load, observing the deformation of the handrail, recording the reading of a dial indicator, and checking whether the member has signs of fracture, yield and buckling;

f. a sixth stage: unloading 50% of the equivalent test effective load, observing the deformation of the handrail, recording the reading of a dial indicator, and checking and recording the residual deformation of the component;

g. and a seventh stage: and continuously unloading 50% of the equivalent test load, observing the deformation of the handrail, recording the reading of the dial indicator, and checking and recording the residual deformation of the component.

And finally, rechecking whether buckling damage or fracture damage occurs at the joint of each node of the handrail, and comparing the actually measured maximum deformation value with a theoretical calculated value so as to judge whether the handrail can meet the normal use requirement.

Example II,

Referring to fig. 1-9, the device for testing horizontal load resistance of a handrail comprises a base assembly 1, a frame 2 is fixedly installed on the upper surface of the base assembly 1, the frame 2 comprises an adjusting screw 21, the adjusting screw 21 is rotatably installed at the middle position of the upper surface of the base assembly 1, a tripod 22 is rotatably installed at the upper end of the adjusting screw 21, the frame 2 further comprises a guide rod 23, the guide rod 23 is distributed in a triangular shape, the guide rod 23 is fixedly installed between the tripod 22 and the base assembly 1, a lower support assembly 3 is sleeved on the guide rod 23, an upper support assembly 4 is sleeved on the upper end of the lower support assembly 3 on the guide rod 23, the lower support assembly 3 comprises a lower lifting assembly 31 and a fixing assembly 32, the lower lifting assembly 31 is sleeved on the guide rod 23 and the adjusting screw 21, the fixing assembly 32 is fixedly installed at one side of the lower lifting assembly 31, the upper support assembly 4 comprises a lifting assembly 41 and a force application assembly 42, and the ascending and descending assembly 41 is sleeved on the guide rod 23 and the adjusting screw 21, the force application assembly 42 is fixedly installed on one side of the ascending and descending assembly 41, the back support assembly 5 is fixedly installed on the other side of the ascending and descending assembly 41, the dial indicator fixing plate 6 is fixedly installed on one side of the upper end of the ascending and descending assembly 41, the frame 2 further comprises a rotating disc 24, the rotating disc 24 is fixedly connected with the upper end of the adjusting screw 21, fixing pins 25 are fixedly installed on the upper surface triangles of the triangular frame 22, the fixing pins 25 are fixedly connected with the guide rod 23, adjusting nuts 26 are respectively connected with the lower ends of the descending and ascending and descending assembly 31 and the ascending and descending assembly 41 on the adjusting screw 21 through threads, and the upper surface of each adjusting nut 26 is respectively contacted with the lower surfaces of the descending and ascending and descending assembly 31 and the ascending and descending assembly 41.

As a technical optimization scheme of the present invention, as shown in fig. 3, a base assembly 1 is composed of a bottom frame 11, a walking wheel assembly 12 is rotatably installed at one side of the bottom frame 11, a movable wheel assembly 13 capable of being folded is fixedly installed at the middle position of the other side of the bottom frame 11, a bottom beam 14 is fixedly installed at the middle position of the bottom frame 11, a ball bearing 15 is fixedly installed at the middle position of the bottom beam 14, an adjusting screw 21 is rotatably connected with the base assembly 1 through the ball bearing 15, the lower ends of guide rods 23 are fixedly installed on the upper surface of the bottom frame 11, the walking wheel assembly 12 includes a shaft rod 121, the shaft rod 121 is rotatably installed at one end of the bottom frame 11, rotating blocks 122 are fixedly installed at both ends of the shaft rod 121, a walking wheel 123 is rotatably installed at one side of the rotating block 122, fixed blocks 124 are fixedly installed at positions, close to the shaft rod 121, and one side of the fixed blocks 124 is in contact with the rotating blocks 122, and the movable wheel assembly 13 includes a movable wheel mounting bracket 131, and the inside of the movable wheel mounting bracket 131 rotates and installs the assembly movable wheel 132, the movable wheel assembly 13 passes through the movable wheel mounting bracket 131 fixed mounting in one side intermediate position of underframe 11, and one side of the movable wheel mounting bracket 131 is inside to rotate and installs the driving lever 133, one side of the driving lever 133 contacts with one side of the assembly movable wheel 132, and the inside lower extreme joint of the movable wheel mounting bracket 131 has a gag lever post 134, the lower extreme of the driving lever 133 cup joints on the gag lever post 134.

As a technical optimization scheme of the present invention, as shown in fig. 8, the lower lifting assembly 31 includes a lower lifting plate 311, and the lower surface triangle of the lower lifting plate 311 is fixedly installed with a first linear ball bearing 312, and the lower lifting plate 311 is sleeved on the guide rod 23 through the first linear ball bearing 312, the middle position of the lower lifting plate 311 is fixedly installed with a first sleeve 313, and the lower lifting plate 311 is sleeved on the adjusting screw 21 through the first sleeve 313, the upper surface of the adjusting nut 26 is in contact with the lower surface of the first sleeve 313, and the fixing assembly 32 is installed at one side of the lower lifting plate 311 on the lower lifting assembly 31, the fixing assembly 32 includes a fixing frame 321, and one side of the fixing frame 321 is fixedly installed with a fixing screw sleeve 322, the inner thread of the fixing screw sleeve 322 is connected with a lower supporting screw 323, and one end of the lower supporting screw 323 is rotatably installed with a fixing wall beam plate 324, and the fixing wall beam plate 324 is of a concave structure, a lower supporting screw adjusting nut 325 is in threaded connection with one side of the fixed wall beam plate 324 and the fixed frame 321 on the lower supporting screw 323, the other end of the fixed wall beam plate 324 is in threaded connection with a fixed screw 326, and a screw baffle 327 is fixedly mounted at one end of the fixed screw 326.

When the rail turnover device is used, when the walking wheel assembly 12 and the movable wheel assembly 13 are turned over, the walking wheel 123 is rotated through the rotating block 122, the walking wheel 123 is turned over to the upper end of the bottom frame 11, the assembling movable wheel 132 is turned over inside the movable wheel mounting frame 131 through the deflector rod 133, the bottom frame 11 is conveniently contacted with the ground, the fixed wall beam plate 324 is moved through screwing the lower support screw 323, the fixed wall beam plate 324 is sleeved on the lower end of the rail, the screw rod baffle 327 is contacted with the rail through the fixed screw 326, the rail is conveniently and fixedly connected through the fixing assembly 32, and the fixed wall beam plate 324 is of a concave structure, so that the rail is conveniently clamped.

Example III,

As a technical optimization scheme of the present invention, as shown in fig. 9, the lower lifting assembly 31 includes a lower lifting plate 311, and the lower surface triangle of the lower lifting plate 311 is fixedly installed with a first linear ball bearing 312, and the lower lifting plate 311 is sleeved on the guide rod 23 through the first linear ball bearing 312, the middle position of the lower lifting plate 311 is fixedly installed with a first sleeve 313, and the lower lifting plate 311 is sleeved on the adjusting screw 21 through the first sleeve 313, the upper surface of the adjusting nut 26 is in contact with the lower surface of the first sleeve 313, and the fixing assembly 32 is installed at one side of the lower lifting plate 311 on the lower lifting assembly 31, the fixing assembly 32 includes a fixing frame 321, and one side of the fixing frame 321 is fixedly installed with a fixing screw sleeve 322, the inner thread of the fixing screw sleeve 322 is connected with a lower supporting screw 323, and one end of the lower supporting screw 323 is rotatably installed with a fixing wall beam plate 324, and the fixing wall beam plate 324 is in a G-shaped structure, a lower supporting screw adjusting nut 325 is in threaded connection with one side of the fixed wall beam plate 324 and the fixed frame 321 on the lower supporting screw 323, a fixed screw 326 is in threaded connection with the upper portion of the other end of the fixed wall beam plate 324, and a screw baffle 327 is fixedly mounted at one end of the fixed screw 326.

When the rail fixing device is used, the lower support screw 323 is screwed, so that the fixed wall beam plate 324 moves, the fixed wall beam plate 324 is sleeved on the lower end of the rail, the screw baffle 327 is in contact with the rail through the fixed screw 326, the rail is further conveniently and fixedly connected through the fixing assembly 32, and the fixed wall beam plate 324 is of a G-shaped structure, so that the rail is conveniently clamped.

Example four,

As a technical optimization scheme of the present invention, as shown in fig. 6 and 7, the ascending and descending assembly 41 includes an upper ascending and descending plate 411, and second linear ball bearings 412 are fixedly mounted on the lower surface triangles of the ascending and descending plate 411, a second sleeve 413 is fixedly mounted on the middle position of the ascending and descending plate 411, the ascending and descending plate 411 is sleeved on the guide rod 23 and the adjusting screw 21 through the second linear ball bearings 412 and the second sleeve 413, the force application assembly 42 is fixedly mounted on one side of the upper ascending and descending plate 411, the dial indicator fixing plate 6 is fixedly mounted on the side of the upper ascending and descending plate 411 opposite to the force application assembly 42, the force application assembly 42 includes a bearing box mounting seat 421, the bearing box mounting seat 421 is fixedly mounted on one side of the upper surface of the upper ascending and descending plate 411, a test device bearing box 422 is fixedly mounted inside the bearing box mounting seat 421, a force application rod 423 is sleeved inside the test device bearing box 422, and both ends of the force application rod 423 are fixedly provided with contact plates 424, the back support assembly 5 comprises a back support mounting seat 51, the back support mounting seat 51 is fixedly arranged on one side of the upper lifting plate 411, and one side of the back support mounting seat 51 is obliquely and threadedly connected with a back support screw 52.

When the force application device is used and installed, the force application device is installed inside the test device bearing box 422, the extending end of the force application device is in contact with the contact plate 424, and then the force application device is opened to apply horizontal thrust to the railing through the force application rod 423, so that the force application device is convenient to install, use and test.

It will be evident to those skilled in the art that the utility model 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 utility model 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Horizontal load resistance capability test device of railing, its characterized in that: comprises a base component (1), a frame (2) is fixedly arranged on the upper surface of the base component (1), the frame (2) comprises an adjusting lead screw (21), the adjusting lead screw (21) is rotatably arranged at the middle position of the upper surface of the base component (1), a tripod (22) is rotatably arranged at the upper end of the adjusting lead screw (21), the frame (2) further comprises guide rods (23), the guide rods (23) are distributed in a triangular manner, the guide rods (23) are fixedly arranged between the tripod (22) and the base component (1), a lower support component (3) is sleeved on the guide rods (23), an upper support component (4) is sleeved on the upper end of the lower support component (3) on the guide rods (23), and the lower support component (3) consists of a lower lifting component (31) and a fixed component (32), lower lifting unit (31) cup joints guide bar (23) with adjust on lead screw (21), just fixed subassembly (32) fixed mounting be in one side of lower lifting unit (31), it comprises last lifting unit (41) and application of force subassembly (42) to prop subassembly (4) on, just go up lifting unit (41) and cup joint guide bar (23) with adjust on lead screw (21), application of force subassembly (42) fixed mounting be in go up one side of lifting unit (41), just go up the opposite side fixed mounting of lifting unit (41) and prop subassembly (5) after, just go up upper end one side fixed mounting of lifting unit (41) has percentage table fixed plate (6).

2. The rail horizontal load resistance testing device of claim 1, wherein: base subassembly (1) comprises underframe (11), just one side of underframe (11) is rotated and is installed walking wheel subassembly (12), the opposite side intermediate position fixed mounting of underframe (11) has can folding loose pulley subassembly (13), just the intermediate position fixed mounting of underframe (11) has floorbar (14), the intermediate position fixed mounting of floorbar (14) has ball bearing (15), just adjust lead screw (21) and pass through ball bearing (15) with base subassembly (1) rotates mutually to be connected, just the equal fixed mounting of lower extreme of guide bar (23) is in on the upper surface of underframe (11).

3. The rail horizontal load resistance testing device of claim 2, wherein: the walking wheel assembly (12) comprises a shaft rod (121), the shaft rod (121) is rotatably installed at one end of the bottom frame (11), rotating blocks (122) are fixedly installed at two ends of the shaft rod (121), a walking wheel (123) is rotatably installed at one side of each rotating block (122), two sides of the bottom frame (11) are close to the positions of the shaft rod (121) and are fixedly installed with fixing blocks (124), and one side of each fixing block (124) is in contact with the corresponding rotating block (122).

4. The rail horizontal load resistance testing device of claim 1, wherein: frame (2) still include rolling disc (24), just rolling disc (24) with the upper end looks fixed connection of adjusting lead screw (21), the equal fixed mounting of upper surface triangle of tripod (22) has fixed pin (25), just fixed pin (25) with guide bar (23) looks fixed connection, it lies in on adjusting lead screw (21) down lifting unit (31) with the equal threaded connection of lower extreme of going up lifting unit (41) has adjusting nut (26), just the upper surface of adjusting nut (26) respectively with down lifting unit (31) with the lower surface of going up lifting unit (41) contacts.

5. A rail horizontal load resistance testing device according to claim 4, characterized in that: lower lifting unit (31) is including lower lifter plate (311), just the equal fixed mounting of lower surface triangle of lower lifter plate (311) has first linear ball bearing (312), just lifter plate (311) passes through first linear ball bearing (312) cup joints down on guide bar (23), the intermediate position fixed mounting of lower lifter plate (311) has first sleeve (313), just lifter plate (311) passes through down first sleeve (313) cup joint on adjusting screw (21), the upper surface of adjusting nut (26) with the lower surface of first sleeve (313) contacts, just fixed subassembly (32) are installed down on lifter unit (31) one side of lower lifter plate (311).

6. A rail horizontal load resistance testing device according to claim 4, characterized in that: go up lift module (41) and include lifter plate (411), just the equal fixed mounting of lower surface triangle of going up lifter plate (411) has second linear ball bearing (412), go up the intermediate position fixed mounting and second sleeve (413) of lifter plate (411), just go up lifter plate (411) and pass through second linear ball bearing (412) with second sleeve (413) cup joints guide bar (23) with on adjusting screw (21), just application of force subassembly (42) fixed mounting go up one side of lifter plate (411), percentage table fixed plate (6) fixed mounting go up lifter plate (411) on with application of force subassembly (42) relative one side.

7. A rail horizontal load resistance testing device according to claim 6, characterized in that: force application component (42) is including bearing box mount pad (421), just bear box mount pad (421) fixed mounting in go up the upper surface one side of lifter plate (411), the inside fixed mounting who bears box mount pad (421) bears box (422), testing arrangement bears the inside of box (422) and has cup jointed application of force pole (423), just the equal fixed mounting in both ends of application of force pole (423) has contact plate (424).

8. A rail horizontal load resistance testing device according to claim 6, characterized in that: back support subassembly (5) including back support mount pad (51), just back support mount pad (51) fixed mounting be in go up one side of lifter plate (411), the one side slope threaded connection of back support mount pad (51) has back support lead screw (52).