CN214538485U - Herringbone ladder endurance test machine - Google Patents
Herringbone ladder endurance test machine Download PDFInfo
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- CN214538485U CN214538485U CN202023028237.0U CN202023028237U CN214538485U CN 214538485 U CN214538485 U CN 214538485U CN 202023028237 U CN202023028237 U CN 202023028237U CN 214538485 U CN214538485 U CN 214538485U
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- cross beam
- rack
- herringbone ladder
- connecting piece
- cylinder
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Abstract
The utility model discloses a herringbone ladder endurance test machine, including the frame, this testing machine still includes: the first cross beam is arranged at the top of the rack through a connecting piece and can move back and forth along the rack; the second cross beam is arranged in the middle of the rack through a connecting piece and can move up and down along the rack; the actuators are arranged on the first cross beam through a connecting piece and can move along the length direction of the first cross beam; the other actuator is arranged on the second cross beam through a connecting piece and can move along the length direction of the second cross beam; the two pressure sensors are respectively arranged on the two actuators; the control cabinet is arranged outside the rack and is electrically connected with the two actuators and the two pressure sensors through leads; the base is arranged at the bottom of the rack, and a fixing component is arranged on the base; the utility model discloses can conveniently adjust to improve experimental efficiency.
Description
Technical Field
The utility model belongs to the technical field of endurance test equipment technique and specifically relates to a herringbone ladder endurance test machine is related to.
Background
The herringbone ladder is a climbing tool for daily high-altitude operation of people, and the durability of the herringbone ladder directly influences the safety of the operation of people, so that a durability test needs to be carried out corresponding to the herringbone ladder; when the durability test is carried out, the herringbone ladder needs to be completely unfolded, and ladder feet of the herringbone ladder need to be fixed by using elastic ropes so as to prevent the herringbone ladder from moving in the test process; an alternating circulating load is placed on the left side of a pedal at the top of the herringbone ladder, an alternating circulating load is placed on the right side of a pedal in the middle of the herringbone ladder, and the two alternating circulating loads are identical in weight, so that the influence on the durability of the herringbone ladder when a human climbs up and down is simulated.
At present, no universal device specially aiming at the test exists in the market, a common test mechanism needs to use two air cylinders and two control hosts simultaneously to simulate alternating cyclic load required by a standard, when in test, the air cylinders need to be positioned differently aiming at the herringbone ladders with different models, the mounting and dismounting processes are long, a large amount of time and physical strength of a tester are consumed, and the test efficiency is low; because the herringbone gradient durability test requires that two alternating cyclic loads need to be applied according to a certain alternating period and a certain size rule, the two control hosts are difficult to synchronize, so that the actual load in the test has a larger deviation from the alternating cyclic load required by the standard, and the standard test requirement cannot be well met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a herringbone ladder endurance test machine, this endurance test machine adjust the convenience to improve experimental efficiency.
The above object of the present invention is achieved by the following technical solutions.
The utility model provides a herringbone ladder endurance test machine, includes the frame, its characterized in that, this testing machine still includes:
the first cross beam is arranged at the top of the rack through a connecting piece and can move back and forth along the rack;
the second cross beam is arranged in the middle of the rack through a connecting piece and can move up and down along the rack;
one actuator is mounted on the first cross beam through a connecting piece and can move along the length direction of the first cross beam, and is used for applying vertical downward acting force to the pedals at the top of the herringbone ladder; the other actuator is arranged on the second cross beam through a connecting piece and can move along the length direction of the second cross beam, and is used for applying vertical downward acting force to the pedals in the middle of the herringbone ladder;
the two pressure sensors are respectively arranged on the two actuators;
the control cabinet is arranged outside the rack and is electrically connected with the two actuators and the two pressure sensors through leads;
the base is arranged at the bottom of the rack, and a fixing component for fixing the herringbone ladder is arranged on the base
On the basis of the technical scheme, the utility model discloses can do following improvement:
the actuator includes cylinder frame, cylinder and pressure head, fixed mounting in the cylinder frame the cylinder is connected with the solenoid valve on, the vertical downward just connection of piston rod end of cylinder the pressure head, pressure sensor installs between the piston rod and the pressure head of cylinder.
The structure homogeneous phase of the connecting piece of first crossbeam, second crossbeam and actuator, the connecting piece is one and presss from both sides the cover, the inner chamber that presss from both sides the cover is equipped with the pinch-off blades, presss from both sides to open threaded through-hole on the cover, threaded through-hole female connection has the screw rod, the one end of screw rod is connected with the handle, and the other end penetrates the inner chamber and the roof pressure that press from both sides the cover the pinch-off blades.
Fixed subassembly includes slider and elasticity rope, the one end of slider is passed through the bolt and is in with the setting spout sliding connection on the base side, the other end passes through the engaging lug and connects the elasticity rope.
The frame includes four stands and four horizontal poles, the top of stand is passed through the horizontal pole splices each other, forms rectangular frame.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the herringbone ladder durability testing machine is provided with the two actuators, the positions of the actuators are easy to adjust, and the herringbone ladder durability testing machine is suitable for herringbone ladders with different specifications, so that the testing efficiency is improved, and the applicability is high;
(2) the utility model discloses a be equipped with the switch board among the herringbone ladder endurance test machine, control two actuators through a switch board to improve the synchronism of testing machine.
Drawings
The invention will be described in detail with reference to the drawings and specific embodiments
FIG. 1 is a schematic structural view of the herringbone gradient durability testing machine of the present invention;
FIG. 2 is a schematic structural view of an actuator of the present invention;
fig. 3 is a schematic structural view of the middle connection member of the utility model.
Reference numbers on the drawings: the device comprises a frame 1, a first beam 2, a second beam 3, an actuator 4, a cylinder frame 4a, a cylinder 4b, a pressure head 4c, an electromagnetic valve 4d, a pressure sensor 5, a control cabinet 6, a base 7, a jacket 8, a clamping plate 9, a screw rod 10, a handle 11, a sliding block 12 and an elastic rope 13.
Detailed Description
Referring to fig. 1, the herringbone ladder endurance testing machine of the present embodiment includes a machine frame 1, and the endurance testing machine further includes:
the first cross beam 2 is arranged at the top of the frame 1 through a connecting piece and can move back and forth along the frame 1;
the second cross beam 3 is arranged in the middle of the rack 1 through a connecting piece and can move up and down along the rack 1;
the two actuators 4 are identical in structure, one actuator 4 is installed on the first cross beam 2 through a connecting piece and can move along the length direction of the first cross beam 2, and is used for applying vertical downward acting force to the pedals at the top of the herringbone ladder; the other actuator 4 is arranged on the second cross beam 3 through a connecting piece and can move along the length direction of the second cross beam 3, and is used for applying vertical downward acting force to the pedals in the middle of the herringbone ladder;
two pressure sensors 5 respectively arranged on the two actuators 4;
the control cabinet 6 is arranged outside the frame 1 and is electrically connected with the two actuators 4 and the two pressure sensors 5 through leads;
the base 7 is installed at the bottom of the rack 1, and a fixing component for fixing the herringbone ladder is arranged on the base 7; therefore, the herringbone ladder durability testing machine in the embodiment is convenient to adjust, can improve the testing efficiency, can be suitable for herringbone ladder tests of different specifications, and is high in applicability.
Referring to fig. 2, the actuator 4 in this embodiment includes a cylinder frame 4a, a cylinder 4b and a pressure head 4c, the cylinder 4b is fixedly installed in the cylinder frame 4a, the solenoid valve 4d is connected to the cylinder 4b, the end of the piston rod of the cylinder 4b is vertically downward and connected to the pressure head 4c, and the pressure sensor 5 is installed between the piston rod of the cylinder 4b and the pressure head 4 c.
Referring to fig. 3, the connecting members of the first beam 2, the second beam 3 and the actuator 4 in this embodiment have the same structure, the connecting member is a clamping sleeve 8, a clamping plate 9 is disposed in an inner cavity of the clamping sleeve 8, a threaded through hole is formed in the clamping sleeve 8, a screw rod 10 is connected to the threaded through hole in a threaded manner, one end of the screw rod 10 is connected to a handle 11, and the other end of the screw rod penetrates into the inner cavity of the clamping sleeve 8 and presses against the clamping plate 9.
The fixed subassembly in this embodiment includes slider 12 and elasticity rope 13, and the one end of slider 12 passes through the bolt and sets up spout sliding connection on base 7 side, and the other end passes through the engaging lug and connects elasticity rope 13.
Frame 1 in this embodiment includes four stands and four horizontal poles, and the top of stand is passed through the horizontal pole and is spliced each other, forms rectangular frame, and stand and horizontal pole are the aluminium alloy.
The above embodiments of the present invention are not right the utility model discloses the limited protection scope, the utility model discloses an embodiment is not limited to this, all kinds of basis according to the above-mentioned of the utility model discloses an under the above-mentioned basic technical thought prerequisite of the utility model, right according to ordinary technical knowledge and the conventional means in this field the modification, replacement or the change of other multiple forms that above-mentioned structure made all should fall within the protection scope of the utility model.
Claims (5)
1. The utility model provides a herringbone ladder endurance test machine, includes the frame, its characterized in that, this testing machine still includes:
the first cross beam is arranged at the top of the rack through a connecting piece and can move back and forth along the rack;
the second cross beam is arranged in the middle of the rack through a connecting piece and can move up and down along the rack;
one actuator is mounted on the first cross beam through a connecting piece and can move along the length direction of the first cross beam, and is used for applying vertical downward acting force to the pedals at the top of the herringbone ladder; the other actuator is arranged on the second cross beam through a connecting piece and can move along the length direction of the second cross beam, and is used for applying vertical downward acting force to the pedals in the middle of the herringbone ladder;
the two pressure sensors are respectively arranged on the two actuators;
the control cabinet is arranged outside the rack and is electrically connected with the two actuators and the two pressure sensors through leads;
the base is arranged at the bottom of the rack, and a fixing component for fixing the herringbone ladder is arranged on the base.
2. The herringbone ladder durability testing machine of claim 1, wherein the actuator comprises a cylinder frame, a cylinder and a pressure head, the cylinder is fixedly installed in the cylinder frame, an electromagnetic valve is connected to the cylinder, the tail end of a piston rod of the cylinder is vertically downward and is connected with the pressure head, and the pressure sensor is installed between the piston rod of the cylinder and the pressure head.
3. The herringbone ladder durability testing machine of claim 2, wherein the first cross beam, the second cross beam and the connecting piece of the actuator are of the same structure, the connecting piece is a jacket, a clamping plate is arranged in an inner cavity of the jacket, a threaded through hole is formed in the jacket, a screw rod is connected with the threaded through hole in an internal thread mode, one end of the screw rod is connected with a handle, and the other end of the screw rod penetrates into the inner cavity of the jacket and presses against the clamping plate.
4. The herringbone ladder endurance testing machine of claim 1, wherein the fixing assembly comprises a sliding block and an elastic rope, one end of the sliding block is slidably connected with a sliding groove arranged on the side edge of the base through a bolt, and the other end of the sliding block is connected with the elastic rope through a connecting lug.
5. The herringbone ladder durability testing machine of any one of claims 1 to 4, wherein the machine frame comprises four upright posts and four cross bars, and the tops of the upright posts are mutually spliced through the cross bars to form a rectangular frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023028237.0U CN214538485U (en) | 2020-12-16 | 2020-12-16 | Herringbone ladder endurance test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023028237.0U CN214538485U (en) | 2020-12-16 | 2020-12-16 | Herringbone ladder endurance test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214538485U true CN214538485U (en) | 2021-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023028237.0U Active CN214538485U (en) | 2020-12-16 | 2020-12-16 | Herringbone ladder endurance test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214538485U (en) |
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2020
- 2020-12-16 CN CN202023028237.0U patent/CN214538485U/en active Active
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