CN210198851U

CN210198851U - Horizontal load resistance performance test device for guardrail

Info

Publication number: CN210198851U
Application number: CN201921032376.5U
Authority: CN
Inventors: Jiansheng Zhang; 张建生; Weicheng Ma; 马伟成; Yingbo Liu; 刘颖波; Yaoping Li; 李耀平; Yongjie Zhuang; 庄勇杰
Original assignee: Foshan City Shunde District Construction Engineering Quality And Safety Supervision And Testing Center
Current assignee: Foshan City Shunde District Construction Engineering Quality And Safety Supervision And Testing Center
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-03-27
Anticipated expiration: 2029-07-03

Abstract

The utility model relates to a guardrail horizontal load resistance test device, which comprises a dynamometer, a pull rope, a steel frame, lifting rods, horizontal rods, pulleys, a belt pulley, a rocker, a counterweight and a displacement measuring device, wherein the dynamometer is arranged at one end of the pull rope, and two lifting rods are rotationally arranged on the side surface of the steel frame; a belt pulley is arranged at one end of the lifting rod, the end surface of one end of a wheel disc of the belt pulley is connected with one end of the lifting rod, and a rocker is arranged on the other end surface of the wheel disc of the belt pulley; horizontal rods are arranged between the lifting rods, nuts are fixed at two ends of each horizontal rod, and the nuts are sleeved on the lifting rods and matched with the lifting rods; a pulley is arranged on the horizontal rod; the pulley is walked around to the one end of stay cord, and is connected with the counter weight, and displacement measurement device includes mounting bracket, amesdial, and the mounting bracket setting is on the side of steelframe, and the amesdial is installed on the mounting bracket. The utility model discloses it is comparatively simple to have the structure, has the support that need not support objects such as wall body, to the less effect of restriction of equipment service environment.

Description

Horizontal load resistance performance test device for guardrail

Technical Field

The utility model belongs to the technical field of building quality testing technique and specifically relates to a guardrail water level load performance test device is related to.

Background

In daily life, the guardrail is one of necessary facilities in a plurality of buildings, the performance of the guardrail is closely related to the safety of people, so that the method and the standard of mechanical inspection of glass guardrails and metal guardrails for buildings in China are specified in detail in the building industry standard of the people's republic of China, the guardrail horizontal load resistance performance test device is included, a certain horizontal force is mainly applied to the guardrail, and then the offset of the guardrail under the action of the force is measured.

Chinese patent publication No. CN205719527U, patent name are railing horizontal load resistance performance detection device, disclose a railing horizontal load resistance performance detection device, including support post, test bench, loading device, supporting beam, displacement meter supporting post, wherein the support post top is equipped with U shaped steel band, is equipped with the telescopic supporting beam who offsets with loading device one end in this U shaped steel band, and the loading device below supports on the test bench, and the displacement meter is placed on displacement meter supporting post.

The technical scheme has the following defects: the equipment needs to place a supporting object, such as a wall body and the like, at one end of the supporting beam, so that the limitation on the use environment of the facility is large, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an anti horizontal load performance test device of guardrail that restriction is less to service environment.

The above object of the present invention can be achieved by the following technical solutions:

a horizontal load resistance performance test device for a guardrail comprises a steel frame and a displacement measuring device; the steel frame is provided with a horizontal rod and a lifting device for driving the horizontal rod to move up and down, the horizontal rod is provided with a pulley, the pulley is provided with a pull rope, the pull rope is divided into a horizontal section and a vertical section by taking the pulley as a boundary point, the horizontal section is provided with a dynamometer and a connecting structure for connecting a guardrail to be tested, and the vertical section is provided with a balance weight; and a fixed station of the guardrail to be measured is arranged between the displacement measuring device and the steel frame.

By adopting the technical scheme: when the staff uses this device, place the guardrail that awaits measuring on fixed station fixed back, it is fixed with the guardrail that awaits measuring with the connection structure on the stay cord, adjust elevating gear and select the height of horizontal pole, be connected the vertical section of counter weight and stay cord, the dynamometer measures the stay cord after to the horizontal pulling force of guardrail, measure the horizontal displacement of guardrail under the effect of pulling force according to displacement measurement device, with this horizontal load performance of anti-of calculation guardrail, this device can reach and need not support object such as wall body and support, the less effect of restriction to service environment.

The utility model discloses further set up to: the lifting device comprises a lifting rod and a belt pulley; the lifting rods are symmetrically and rotatably arranged on the side face of the steel frame, the lifting rods are screw rods, nuts are arranged at two ends of the horizontal rod, and the nuts are matched with the lifting rods; one end of the lifting rod is provided with a belt pulley, and the belt pulley is fixed with the lifting rod.

By adopting the technical scheme: when the height of the horizontal rod needs to be adjusted, the belt pulley can be rotated, the lifting rod is rotated under the driving of the belt pulley, so that the nut sleeved on the lifting rod moves upwards to drive the lifting rod to move upwards, and the effect of adjusting the height of the horizontal rod is achieved.

The utility model discloses further set up to: the end face of the belt pulley is provided with a rocker.

Through adopting above-mentioned technical scheme, the staff can rotate the rocker and make the belt pulley rotate, makes the operation more simple and convenient.

The utility model discloses further set up to: the displacement measuring device comprises a bracket, a dial indicator and a clamping block; the bracket is arranged on one side of the steel frame, and a dial indicator is arranged on the bracket; the clamping block is provided with a clamping opening for clamping the guardrail to be tested, the dial indicator is abutted to the clamping block, and the measuring column and the horizontal section of the dial indicator are arranged in parallel.

Through adopting above-mentioned technical scheme, place the support in one side of steelframe during experiment, then press from both sides the grip block in the side of the guardrail that awaits measuring, make the survey post butt of amesdial on the terminal surface of grip block, just can measure the displacement of guardrail under the effect of horizontal force.

The utility model discloses further set up to: the horizontal rod is provided with a sliding tube in a sliding mode, the pulley is arranged on the sliding tube in a rotating mode, the sliding tube is provided with a screw hole, the horizontal rod is provided with a plurality of positioning holes matched with the screw hole, and the sliding tube is fixed with the horizontal rod through bolts penetrating through the screw hole and the positioning holes.

By adopting the technical scheme: after the horizontal load of a point on the guardrail is measured, the worker can directly adjust the sliding pipe, fix the sliding pipe with different screw holes, measure the horizontal load of other points, and achieve the effect of measuring many times without moving the steel frame.

The utility model discloses further set up to: and the outer side wall of the pulley is provided with a sliding groove for placing the pull rope.

By adopting the technical scheme: the stay cord is placed in the spout, can restrict the relative position of stay cord, makes it can not squint the surface of pulley, reaches spacing effect.

The utility model discloses further set up to: the vertical section is provided with a hook, and the counterweight is provided with a hanging lug.

By adopting the technical scheme: when the counterweight block is replaced, only the hangers on different counterweight blocks are hooked into the hooks, and the operation is simple and convenient.

The utility model discloses further set up to: the belt pulley is arranged on the upper end face of the lifting rod.

By adopting the technical scheme: the rocker sets up on the belt pulley, and the position that the staff adjusted the horizon bar is convenient for adjusted to the belt pulley setting at the up end of lifter, reaches the effect of operating more portably.

To sum up, the utility model discloses a beneficial technological effect does:

1. the device of the guardrail horizontal load resistance performance test device is simple in structure, low in requirement on the use environment of the device and easy and convenient to operate.

2. Be provided with the slip pipe on the horizon bar, can adjust the horizontal position of pulley, when measuring the horizontal load of the different points on the guardrail, can directly adjust the position of slip pipe, need not to remove the steelframe, operate more simply, high-efficiently.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a rear view of the present invention.

Fig. 3 is a top view of the horizontal rod.

In the figure, 1, a steel frame; 2. a horizontal bar; 21. a pulley; 211. a chute; 22. a nut; 23. a sliding tube; 231. a screw hole; 24. positioning holes; 3. a displacement measuring device; 31. a support; 32. a dial indicator; 33. a clamping block; 4. pulling a rope; 41. a horizontal segment; 411. a force gauge; 42. a vertical section; 421. balancing weight; 4211. hanging a lug; 422. hooking; 5. a lifting rod; 6. a belt pulley; 61. a rocker; 7. and (4) a guardrail.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Refer to fig. 1 and 2, do the utility model discloses a guardrail horizontal load resistance capability test device, including steelframe 1, displacement measurement device 3. The steel frame 1 is a square frame, one side of the steel frame is provided with a displacement measuring device 3, and a fixing station for fixing the guardrail 7 is arranged between the steel frame 1 and the displacement measuring device 3; the displacement measuring device 3 comprises a dial indicator 32, a bracket 31 and a clamping block 33, wherein the bracket 31 is placed on one side of the steel frame 1, and the dial indicator 32 is fixed at one end of the bracket 31; the clamping opening of the clamping block 33 is clamped on the side face of the guardrail 7 to be measured and is provided with a vertical face, and the measuring column of the dial indicator 32 abuts against the vertical face of the clamping block 33. Two lifting rods 5 are arranged in parallel on the other opposite surface of the steel frame 1 on which the displacement measuring device 3 is arranged; the lifting rod 5 is a screw rod which rotates and is vertically arranged on the steel frame 1. The lifting rod 5 is movably provided with a horizontal rod 2, two ends of the horizontal rod 2 are fixedly provided with nuts 22, the threads of the nuts 22 are matched with the lifting rod 5, and the nuts 22 can move up and down along with the rotation of the lifting rod 5. The upper end face of the lifting rod 5 is provided with a belt pulley 6, the belt pulley 6 is connected with the upper end face of the lifting rod 5, and the two lifting rods 5 can synchronously rotate under the connection of the belt pulley 6. A rocker 61 is provided on an end surface of the pulley 6, and the rocker 61 is rotated to rotate the pulley 6. The horizontal section 41 of the pull rope 4 is provided with a connecting structure for connecting the guardrail 7 to be tested, in the embodiment, the connecting structure is a binding structure that one end of the pull rope 4 is bound on the guardrail 7 to be tested, and the horizontal section 41 is provided with a dynamometer 411; the vertical section 42 is provided with a hook 422 after passing around the pulley 21, and the hook 422 is connected with a hanging lug 4211 arranged on the counterweight 421. In the present embodiment, the pull cord 4 is a wire rope, and may be a nylon cord, an iron cord, or the like.

Referring to fig. 1 and 3, the horizontal rod 2 is provided with a slidable sliding tube 23, a rotatable pulley 21 is fixed on the sliding tube 23, screw holes 231 are symmetrically formed in the sliding tube 23, a plurality of positioning holes 24 corresponding to the screw holes 231 are uniformly formed in the horizontal rod 2, a bolt is inserted between the screw holes 231 and the positioning holes 24, and the horizontal rod 2 and the sliding tube 23 are fixed through the bolt. A sliding groove 211 is provided on the side wall of the pulley 21 around the circumference thereof.

The implementation principle of the embodiment is as follows: when a worker performs a horizontal load resistance test of the guardrail 7, the guardrail 7 is placed on a fixed station to be fixed, one end of the pull rope 4 provided with the dynamometer 411 is connected with the guardrail 7, then the height of the horizontal rod 2 is adjusted according to the height of the guardrail 7 and the position to be measured, the horizontal position of the pulley 21 is adjusted by rotating the rocker 61 on the pulley 6 because the lifting rods 5 are connected through the pulley 6 when the rocker 61 is rotated, so that the pulley 6 is driven to rotate, the two lifting rods 5 synchronously rotate to adjust the height of the horizontal rod 2, the sliding tube 23 is fixed with different positioning holes 24, the effect of measuring a plurality of points without moving the steel frame 1 is achieved, the pull rope 4 is wound around the pulley 21 and placed in the sliding groove 211 arranged on the pulley 21, so that the pull rope 4 is not easy to be separated from the surface of the pulley 21, and then the balance weight 421 is hung at one end of the pull rope 4 provided with the hook 422, the pull rope 4 is hooked on the hanging lug 4211 on the counterweight 421 through the hook 422. The worker calculates the horizontal load resistance of the guard rail 7 based on the collected data.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a horizontal load resistance capability test device of guardrail which characterized in that: comprises a steel frame (1) and a displacement measuring device (3); the steel frame (1) is provided with a horizontal rod (2) and a lifting device for driving the horizontal rod (2) to move up and down, a pulley (21) is arranged on the horizontal rod (2), a pull rope (4) is arranged on the pulley (21), the pull rope (4) is divided into a horizontal section (41) and a vertical section (42) by taking the pulley (21) as a dividing point, the horizontal section (41) is provided with a dynamometer (411) and a connecting structure for connecting a guardrail (7) to be tested, and the vertical section (42) is provided with a balance weight (421); and a fixed station of the guardrail (7) to be measured is arranged between the displacement measuring device (3) and the steel frame (1).

2. The guardrail horizontal load resistance performance test device of claim 1, wherein: the lifting device comprises a lifting rod (5) and a belt pulley (6); the lifting rods (5) are symmetrically and rotatably arranged on the side face of the steel frame (1), the lifting rods (5) are screw rods, nuts (22) are arranged at two ends of the horizontal rod (2), and the nuts (22) are matched with the lifting rods (5); one end of the lifting rod (5) is provided with a belt pulley (6), and the belt pulley (6) is fixed with the lifting rod (5).

3. The guardrail horizontal load resistance performance test device of claim 2, wherein: the end surface of the belt pulley (6) is provided with a rocker (61).

4. The guardrail horizontal load resistance performance test device of claim 1, wherein: the displacement measuring device (3) comprises a bracket (31), a dial indicator (32) and a clamping block (33); the bracket (31) is arranged on one side of the steel frame (1), and a dial indicator (32) is arranged on the bracket; the clamping block (33) is provided with a clamping opening for clamping the guardrail (7) to be tested, the dial indicator (32) abuts against the clamping block (33), and the measuring column and the horizontal section (41) of the dial indicator (32) are arranged in parallel.

5. The guardrail horizontal load resistance performance test device of claim 1, wherein: the sliding type horizontal rod is characterized in that a sliding pipe (23) is arranged on the horizontal rod (2) in a sliding mode, the pulley (21) is arranged on the sliding pipe (23) in a rotating mode, a screw hole (231) is formed in the sliding pipe (23), a plurality of matching holes (24) are formed in the horizontal rod (2), and the sliding pipe (23) is fixed with the horizontal rod (2) through bolts penetrating through the screw hole (231) and the positioning holes (24).

6. The guardrail horizontal load resistance performance test device of claim 1, wherein: and a sliding groove (211) capable of placing the pull rope (4) is arranged on the outer side wall of the pulley (21).

7. The guardrail horizontal load resistance performance test device of claim 1, wherein: the vertical section (42) is provided with a hook (422), and the counterweight (421) is provided with a suspension loop (4211).

8. The guardrail horizontal load resistance performance test device of claim 2, wherein: the belt pulley (6) is arranged on the upper end face of the lifting rod (5).