CN102392861B - Safe brake device of oil pumping unit - Google Patents
Safe brake device of oil pumping unit Download PDFInfo
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- CN102392861B CN102392861B CN 201110207294 CN201110207294A CN102392861B CN 102392861 B CN102392861 B CN 102392861B CN 201110207294 CN201110207294 CN 201110207294 CN 201110207294 A CN201110207294 A CN 201110207294A CN 102392861 B CN102392861 B CN 102392861B
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Abstract
The invention discloses a safe brake device of an oil pumping unit; the safe brake device comprises a brake handle, a transmission mechanism and a brake, which are orderly connected, wherein the brake is provided with a brake wheel and a brake sheet; the brake sheet is connected with a swinging rod which can drive the brake sheet to act; a tooth plate is arranged on a base of the brake handle; an operating rod is hinged on the base; a pawl pulling rod is hinged to the handle; the transmission mechanism is a connecting rod which is hinged between the operating rod of the brake handle and the swinging rod of the brake; the connecting rod is orderly connected with a level connecting rod, a turning hinge and a vertical connecting rod by means of hinging; and an elastic element for axially stretching the level connecting rod or the vertical connecting rod is connected to the level connecting rod or the vertical connecting rod. In the invention, the elastic element for axially stretching the connecting rod is connected to the connecting rod; when the brake sheet is thinned, the handle of the operating rod is backwards pulled, the pawl can be inserted to the following pawl at the position of raw pawl in stable state, so that the level connecting rod and the vertical connecting rod under the axial stretching force of the elastic element can obtain the tension for braking, and the brake sheet can be tightly pressed on the brake wheel.
Description
Technical field
The present invention relates to a kind of driving mechanism of manual oil-pump braking device, particularly a kind of manual oil-pump braking device.
Background technique
Pumping unit will be braked pumping unit with braking device when stopping operation.Oil-pump braking device has manual oil-pump braking device.Manually oil-pump braking device has brake handle, driving mechanism and the break that order links to each other.Break has the brake wheel that can be installed on the oil pumping arbor and the brake block that is against on the brake wheel, and brake block is connected with the fork that drives the brake block action; Brake has the circular arc tooth plate base is arranged on the base, there is ratchet the tooth plate upper edge, is hinged with operating handle on the base, and there is handle the operating handle upper end, and the handle place is hinged with the ratchet pull bar, and there is the ratchet that is meshed with tooth plate upper edge ratchet the lower end of ratchet pull bar; Driving mechanism is the connecting rod that is hinged between the fork of operating handle and break of brake handle, and connecting rod has the waling stripe that is hinged and connected successively, commutate hinge and vertical links, and the length of connecting rod controlling device is arranged respectively on waling stripe and the vertical links.
During use, hand-held handle pulls back operating handle, drives the fork action by driving mechanism, and fork action drives brake block tightly is pressed on the brake wheel, ratchet inserts ratchet and keeps constantly to the impacting force of brake wheel brake wheel being rotated by brake block, realizes the braking to pumping unit.The driving mechanism of this manual oil-pump braking device is rigid rod, before use, regulate the length of waling stripe and vertical links with the length of connecting rod controlling device, allow ratchet when inserting the steady state of a ratchet position, brake block can be pressed on the brake wheel tightly, this moment, waling stripe and the vertical links of driving mechanism were subject to tension force, and the tension force that waling stripe and vertical links are subject to is exactly the required tension force of oil pumping unit brake.
Manually oil-pump braking device in use, brake block on the break can slightly have attenuate because of wearing and tearing, after brake block slightly has attenuate, when if ratchet still inserts above-mentioned ratchet location brake, brake block just can not be pressed on the brake wheel very tightly, slightly has attenuate rear braking sheet still can tightly be pressed on the brake wheel in order to guarantee brake block, should pull back operating handle again, allow waling stripe and vertical links still be subject to the required tension force of above-mentioned brake, brake block is pressed on the brake wheel tightly.In the prior art, ratchet has a constant pitch, the waling stripe of driving mechanism and vertical links are rigid rods, after slightly having attenuate, brake block pulls back again joystick lever, when allowing waling stripe and the vertical links tension force that is subject to braking required, ratchet generally is in the ratchet position of aforementioned stable state and the non-steady state position between ratchet position thereafter, can not insert a rear ratchet position of aforementioned stable state ratchet position, after putting down the ratchet pull bar, ratchet still can slide and insert the ratchet position of aforementioned stable state, this moment, waling stripe and the tension force that vertical links is subject to of driving mechanism were lax to some extent, do not reach the required tension force of brake, make pumping unit when stopping operation brake, brake block can not be pressed on the brake wheel tightly.
Manually oil-pump braking device in use, brake block often occurs because of wearing and tearing attenuate is arranged slightly on the break, after brake block on the break slightly has attenuate because of wearing and tearing, can regulate by the length of connecting rod controlling device length of waling stripe and vertical links, recover to allow ratchet when inserting the steady state of a ratchet position, brake block can be pressed on the brake wheel tightly.Because brake block is in use often because of the wearing and tearing attenuate, brake block slightly has attenuate just to need regulating connecting rod length, often regulating connecting rod length extremely bothers, in case regulate untimelyly, will occur that brake block can not be pressed on the brake wheel tightly and the security incident that causes the pumping unit coaster.In addition, the length of connecting rod controlling device is the bolt and nut controlling device, is easy to get rusty at the on-the-spot screw thread of pumping unit, just is difficult to regulating connecting rod length in case screw thread gets rusty.In actual production, pumping unit can not guarantee that safety shut-down is larger potential safety hazard when stopping operation.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned deficiency, propose a kind of after brake block slightly has attenuate, when pulling back joystick lever again, ratchet can insert a rear ratchet position of former steady state ratchet position, makes brake block be pressed in tightly safety brake device of pumping unit on the brake wheel.
The present invention is achieved using the following method.
The brake handle that safety brake device of pumping unit has order to link to each other, driving mechanism and break, break has the brake wheel that can be installed on the oil pumping arbor and the brake block that is against on the brake wheel, brake block is connected with the fork that drives the brake block action, brake is base is arranged, the circular arc tooth plate is arranged on the base, there is ratchet the tooth plate upper edge, be hinged with operating handle on the base, there is handle the operating handle upper end, the handle place is hinged with the ratchet pull bar, there is the ratchet that is meshed with tooth plate upper edge ratchet the lower end of ratchet pull bar, driving mechanism is the connecting rod that is hinged between the fork of the brake operating handle of handle and break, connecting rod has the waling stripe that is hinged and connected successively, commutation hinge and vertical links, the length of connecting rod controlling device is arranged respectively on waling stripe and the vertical links, be connected with the elastic element that can make waling stripe or vertical links be subject to axial tensile force on waling stripe or the vertical links.
During use, when new brake block does not also have attenuate, during the safety brake device of pumping unit brake, ratchet is the steady state that is inserted in a ratchet position, and waling stripe and vertical links are subject to the required tension force that brakes.When after brake block produces attenuate, still accurately not regulating the length of rigid rod, pull back joystick lever, if still allow waling stripe and vertical links be subject to the required tension force that brakes, then ratchet is at the ratchet position of aforementioned stable state and the non-steady state between ratchet position thereafter, owing to be connected with the elastic element that can make waling stripe or vertical links be subject to axial tensile force on waling stripe or the vertical links, pull back further joystick lever, can make the elastic element stress deformation, operating handle can overcome the resilient rear-moving of elastic element, allow ratchet insert the steady state of an above-mentioned rear ratchet position, at this moment, waling stripe and vertical links are subject to the axial tensile force of elastic element, and waling stripe and vertical links have the required tension force of brake because of the axial tensile force that is subject to elastic element.
Be connected with the elastic element that can make waling stripe or vertical links be subject to axial tensile force on waling stripe of the present invention or the vertical links, when after brake block produces attenuate, still accurately not regulating the length of rigid rod, pull back joystick lever, ratchet can insert a rear ratchet position of former steady state ratchet position, allow waling stripe and vertical links be subject to the axial tensile force of elastic element and have the required tension force of brake, brake block is pressed on the brake wheel tightly.
Below in conjunction with accompanying drawing, the present invention is further described.
Description of drawings
Fig. 1 is that the master of a kind of safety brake device of pumping unit of proposing according to invention scheme of the present invention looks schematic representation;
Fig. 2 is that the master of the safety brake device of pumping unit of elastic element on vertical links looks schematic representation;
Fig. 3 is that elastic element is looked schematic representation the master of the safety brake device of pumping unit of vertical links upper end;
Fig. 4 is that elastic element is looked schematic representation the master of the safety brake device of pumping unit of waling stripe outer end;
Fig. 5 is that enlarged diagram cuts open in the I place of Fig. 1 and the II place office of Fig. 2;
Fig. 6 is that enlarged diagram cuts open in the III place office of Fig. 3;
Fig. 7 is that schematic representation cuts open in the side-looking office of Fig. 6;
Fig. 8 is that enlarged diagram cuts open in the IV place office of Fig. 4;
Fig. 9 is that schematic representation cuts open in the office of overlooking of Fig. 8;
Figure 10 ~ Figure 12 is that the spring in the elastic element is that the elastic element master of butterfly spring looks schematic representation on waling stripe or the vertical links;
Figure 13 ~ Figure 15 is that the spring in the elastic element is that the elastic element master of rubber spring looks schematic representation on waling stripe or the vertical links;
Figure 16 is that to be that the II place of the I place of Fig. 1 of extension spring and Fig. 2 is main analyse and observe enlarged diagram with the spring of elastic element;
Figure 17 is the cross-sectional schematic of bowing of Figure 16;
Figure 18 is that to be that the II place of Fig. 1 of extension spring is main analyse and observe enlarged diagram with the spring of elastic element;
Figure 19 is the side cross-sectional schematic of Figure 18;
Figure 20 is that to be that the III place of Fig. 1 of extension spring is main analyse and observe enlarged diagram with the spring of elastic element;
Figure 21 is the cross-sectional schematic of bowing of Figure 20.
Embodiment
Among Fig. 1 and Fig. 5, safety brake device of pumping unit has the continuous brake of order 1, driving mechanism 2 and break 3, break has the brake wheel 4 that can be installed on the oil pumping arbor and the brake block 5 that is against on the brake wheel, brake block is connected with the fork 6 that drives the brake block action, brake is base 7 is arranged, circular arc tooth plate 8 is arranged on the base, there is ratchet 9 the tooth plate upper edge, be hinged with operating handle 10 on the base, there is handle 11 the operating handle upper end, the handle place is hinged with ratchet pull bar 12, there is the ratchet 13 that is meshed with tooth plate upper edge ratchet the lower end of ratchet pull bar, driving mechanism is the connecting rod that is hinged between the fork of the brake operating handle of handle and break, connecting rod has the waling stripe 14 that is hinged and connected successively, commutation hinge 15 and vertical links 16, length of connecting rod controlling device 18 is arranged respectively on waling stripe and the vertical links, waling stripe is divided into two section 19,20, adjacent termination is arranged between two sections, be connected with elastic element I between connecting rod between the adjacent termination, elastic element has the boss 21 that is connected in a termination and the pipe 22 that is connected in another termination between connecting rod, described boss is in pipe, the mouth of pipe of pipe is connected with ring mouth of pipe plug 23, the internal diameter of ring mouth of pipe plug matches with the external diameter of waling stripe, in the pipe, between described boss and the mouth of pipe plug spring is arranged, spring is helical spring 24.
During use, when new brake block does not also have attenuate, during the safety brake device of pumping unit brake, ratchet is the steady state that is inserted in a ratchet position, and waling stripe is subject to the required tension force that brakes.When after brake block produces attenuate, still accurately not regulating the length of rigidity level connecting rod, pull back joystick lever, if still allow waling stripe be subject to the required tension force that brakes, then ratchet is at the ratchet position of aforementioned stable state and the non-steady state between ratchet position thereafter, because waling stripe is divided into two sections, adjacent termination is arranged between two sections, be connected with elastic element between connecting rod between the adjacent termination, elastic element has the boss that is connected in a termination and the pipe that is connected in another termination between connecting rod, described boss is in pipe, the mouth of pipe of pipe has ring mouth of pipe plug, the internal diameter of ring mouth of pipe plug matches with the external diameter of waling stripe, between described boss and the mouth of pipe plug helical spring is arranged in the pipe, pull back further joystick lever, can make by compression power and shortening of helical spring, operating handle can overcome the resilient rear-moving of elastic element, allow ratchet insert the steady state of an above-mentioned rear ratchet position, at this moment, be subject to compressed helical spring axial tensile force between two sections of waling stripe, waling stripe has the required tension force of brake because being subject to helical spring axial tensile force.
The above-mentioned elastic element that can make waling stripe or vertical links be subject to axial tensile force is on waling stripe.The elastic element that can make waling stripe or vertical links be subject to axial tensile force also can be on vertical links.
Among Fig. 2 and Fig. 5, vertical links is divided between two sections 25,26, two sections adjacent termination, be connected with between the adjacent termination with above-mentioned waling stripe on connecting rod between elastic element II between the identical connecting rod of elastic element.
When braking, effect is identical at the effect of the safety brake device of pumping unit on the waling stripe when braking with above-mentioned elastic element at the safety brake device of pumping unit on the vertical links for elastic element.
The above-mentioned elastic element that can make waling stripe or vertical links be subject to axial tensile force is between being divided into two sections waling stripe or being divided into two sections two sections of vertical links.The elastic element that can make waling stripe or vertical links be subject to axial tensile force also can be the end at waling stripe or vertical links.
Among Fig. 3, Fig. 6 and Fig. 7, there is upper end elastic element III the upper end of vertical links, the upper end elastic element has rectangular frame 27, the lower end of rectangular frame is connected in the upper end of vertical links, the upper end of rectangular frame is connected with screw rod 28, there is relative strip hole 29 both sides of rectangular frame, one end of break fork is hinged in the relative strip hole in rectangular frame both sides, rectangular frame is interior, the above-mentioned rounded end top of break fork is connected with lower end sheet 30, the upper head plate 32 that the useful nut 31 in screw rod top links to each other, on the screw rod, between lower end sheet and upper head plate spring is arranged, spring is helical spring 33.
During use, when new brake block does not also have attenuate, during the safety brake device of pumping unit brake, ratchet is the steady state that is inserted in a ratchet position, and connecting rod is subject to the required tension force that brakes.When after brake block produces attenuate, still accurately not regulating the length of rigidity connecting rod, pull back joystick lever, if still allow connecting rod be subject to the required tension force that brakes, then ratchet is at the ratchet position of aforementioned stable state and the non-steady state between ratchet position thereafter, because there is the upper end elastic element upper end of vertical links, the upper end elastic element has rectangular frame, the lower end of rectangular frame is connected in the upper end of vertical links, the upper end of rectangular frame is connected with screw rod, there is relative strip hole the both sides of rectangular frame, one end of the fork of break is hinged in the relative strip hole in rectangular frame both sides, in the rectangular frame, the above-mentioned rounded end top of the fork of break is connected with lower end sheet, the upper head plate that the useful nut in screw rod top links to each other, on the screw rod, between lower end sheet and the upper head plate helical spring is arranged, pull back further joystick lever, can make by compression power and shortening of helical spring, operating handle can overcome the resilient rear-moving of elastic element, a rear ratchet position that allows ratchet insert above-mentioned ratchet position is in steady state, at this moment, vertical links is subject to compressed helical spring axial tensile force, and vertical links has the required tension force of brake because being subject to helical spring axial tensile force.
The elastic element that can make waling stripe or vertical links be subject to axial tensile force also can be the outer end at waling stripe.
Among Fig. 4, Fig. 8 and Fig. 9, there is outer end elastic element IV the outer end of waling stripe, the outer end elastic element has rectangular frame 34, the inner of rectangular frame is connected in the outer end of waling stripe, the outer end of rectangular frame is connected with screw rod 35, there is relative strip hole 36 both sides of rectangular frame, Π shape frame 37 is arranged in the rectangular frame, there is boss 38 outer end of Π shape frame, operating handle is hinged in the strip hole of the inner of Π shape frame and rectangular frame both sides, the outer end plate 39 that the useful nut in the screw rod outside links to each other, on the screw rod, between the boss of outer end plate and Π shape frame outer end spring is arranged, spring is helical spring 40.
During use, when new brake block does not also have attenuate, during the safety brake device of pumping unit brake, ratchet is the steady state that is inserted in a ratchet position, and connecting rod is subject to the required tension force that brakes.When after brake block produces attenuate, still accurately not regulating the length of rigidity connecting rod, pull back joystick lever, if still allow connecting rod be subject to the required tension force that brakes, then ratchet is at the ratchet position of aforementioned stable state and the non-steady state between ratchet position thereafter, because there is the outer end elastic element outer end of waling stripe, the outer end elastic element has rectangular frame, the inner of rectangular frame is connected in the outer end of waling stripe, the outer end of rectangular frame is connected with screw rod, there is relative strip hole the both sides of rectangular frame, Π shape frame is arranged in the rectangular frame, there is boss the outer end of Π shape frame, operating handle is hinged in the strip hole of the inner of Π shape frame and rectangular frame both sides, the outer end plate that the useful nut in the screw rod outside links to each other, on the screw rod, between the boss of outer end plate and Π shape frame outer end helical spring is arranged, pull back further joystick lever, can make by compression power and shortening of helical spring, operating handle can overcome the resilient rear-moving of elastic element, a rear ratchet position that allows ratchet insert above-mentioned ratchet position is in steady state, at this moment, waling stripe is subject to compressed helical spring axial tensile force, and waling stripe has the required tension force of brake because being subject to helical spring axial tensile force.
Spring on above-mentioned waling stripe or the vertical links in the elastic element is helical spring.Helical spring is when being compressed power, and helical spring produces compressive strain can make waling stripe or vertical links be subject to axial tensile force, and above-mentioned helical spring belongs to Compress Spring, is compression helical spring.
Compress Spring on waling stripe or the vertical links in the elastic element also can be butterfly spring or rubber spring.
Among Figure 10 ~ Figure 12, the spring on waling stripe or the vertical links in the elastic element is butterfly spring 17.
Among Figure 13 ~ Figure 15, the spring on waling stripe or the vertical links in the elastic element is rubber spring 41.Above-mentioned butterfly spring and rubber spring belong to Compress Spring, are compression butterfly spring and compression rubber spring.
Spring on above-mentioned waling stripe or the vertical links in the elastic element is Compress Spring.Spring on waling stripe or the vertical links in the elastic element also can be extension spring.
Figure 16, among Figure 17, waling stripe is divided into two section 42,43, adjacent termination is arranged between two sections, be connected with elastic element between connecting rod between the adjacent termination, between connecting rod elastic element have be connected in respectively two terminations in, outer pipe 44,68, in, outer pipe is nested together coaxially, in, the axis of outer pipe and the axis of waling stripe are on same straight line, relative axial circular through hole 45 is arranged on the middle tube wall of outer pipe, interior pipe near on the tube wall of the first side of rod end relative axial circular through hole 46 is arranged repeatedly, on the tube wall of a side of interior pipe away from the company link end relative axial rectangular through hole 47 is arranged, the length direction of rectangular through hole is parallel with the axis of pipe, be installed with rear radial bars 48 in the axial circular through hole of outer pipe and the axial rectangular through hole of interior pipe, be installed with front radial bars 49 in the axial circular through hole of interior pipe, in the interior pipe, be connected with draft helical spring 50 between front radial bars and the rear radial bars.
During use, when new brake block does not also have attenuate, during the safety brake device of pumping unit brake, ratchet is the steady state that is inserted in a ratchet position, and waling stripe is subject to the required tension force that brakes.When after brake block produces attenuate, still accurately not regulating the length of rigidity level connecting rod, pull back joystick lever, if still allow waling stripe be subject to the required tension force that brakes, then ratchet is at the ratchet position of aforementioned stable state and the non-steady state between ratchet position thereafter, because waling stripe is divided into two sections, adjacent termination is arranged between two sections, be connected with draft helical spring between the adjacent termination, pull back further joystick lever, can make helical spring Tensile power and elongated, operating handle can overcome the resilient rear-moving of elastic element, a rear ratchet position that allows ratchet insert above-mentioned ratchet position is in steady state, at this moment, the helical spring axial tensile force that is stretched between two sections of waling stripe, waling stripe has the required tension force of brake because being subject to helical spring axial tensile force.
Elastic element also can be connected between the adjacent termination of the vertical links that is divided into two sections between above-mentioned connecting rod.During use, identical between effect and the adjacent termination that is connected in the waling stripe that is divided into two sections.
Above-mentioned spring is that the elastic element of extension spring is between being divided between two sections two sections of waling stripe or being divided into two sections two sections of vertical links.Spring is that the elastic element of extension spring also can be the end at waling stripe or vertical links.
Among Figure 18, Figure 19, there is the upper end elastic element upper end of vertical links, the upper end elastic element has rectangular frame 51, the lower end of rectangular frame is connected in the upper end of vertical links 69, and there is relative strip hole 52 both sides of rectangular frame epimere, and there is relative circular hole 53 both sides of rectangular frame hypomere, be installed with upper cross bar 54 in the strip hole, be installed with lower cross bar 55 in the circular hole, an end of break fork 56 is hinged on the upper cross bar, is connected with respectively extension spring 57,58 between the left end of upper cross bar and lower cross bar and between the right-hand member.
During use, when new brake block does not also have attenuate, during the safety brake device of pumping unit brake, ratchet is the steady state that is inserted in a ratchet position, and connecting rod is subject to the required tension force that brakes.When after brake block produces attenuate, still accurately not regulating the length of rigidity connecting rod, pull back joystick lever, if still allow connecting rod be subject to the required tension force that brakes, then ratchet is at the ratchet position of aforementioned stable state and the non-steady state between ratchet position thereafter, because there is the upper end elastic element upper end of vertical links, pull back further joystick lever, can make helical spring Tensile power and elongated, operating handle can overcome the resilient rear-moving of elastic element, a rear ratchet position that allows ratchet insert above-mentioned ratchet position is in steady state, at this moment, the helical spring axial tensile force that vertical links is stretched, vertical links has the required tension force of brake because of the axial tensile force that is subject to draft helical spring.
Among Figure 20, Figure 21, there is the outer end elastic element rear end of waling stripe, the outer end elastic element has Π shape frame 59,60 rear ends that are connected in waling stripe 70 at the bottom of the front end frame of Π shape frame, there is relative strip hole 61 both sides of Π shape frame back segment, and there is relative circular hole 62 both sides of Π shape frame leading portion, be installed with rear transverse rod 63 in the strip hole, be installed with front cross bar 64 in the circular hole, brake operating lever 65 is hinged on the rear transverse rod, is connected with respectively draft helical spring 66,67 between the left end of front cross bar and rear transverse rod and between the right-hand member.
During use, when new brake block does not also have attenuate, during the safety brake device of pumping unit brake, ratchet is the steady state that is inserted in a ratchet position, and connecting rod is subject to the required tension force that brakes.When after brake block produces attenuate, still accurately not regulating the length of rigidity connecting rod, pull back joystick lever, if still allow connecting rod be subject to the required tension force that brakes, then ratchet is at the ratchet position of aforementioned stable state and the non-steady state between ratchet position thereafter, because there is the outer end elastic element outer end of waling stripe, pull back further joystick lever, can make draft helical spring Tensile power and elongated, operating handle can overcome the resilient rear-moving of elastic element, a rear ratchet position that allows ratchet insert above-mentioned ratchet position is in steady state, at this moment, the helical spring axial tensile force that waling stripe is stretched, waling stripe has the required tension force of brake because being subject to helical spring axial tensile force.
Claims (1)
1. safety brake device of pumping unit, the brake handle that has order to link to each other, driving mechanism and break, break has the brake wheel that can be installed on the oil pumping arbor and the brake block that is against on the brake wheel, brake block is connected with the fork that drives the brake block action, brake is base is arranged, the circular arc tooth plate is arranged on the base, there is ratchet the tooth plate upper edge, be hinged with operating handle on the base, there is handle the operating handle upper end, the handle place is hinged with the ratchet pull bar, there is the ratchet that is meshed with tooth plate upper edge ratchet the lower end of ratchet pull bar, driving mechanism is the connecting rod that is hinged between the fork of the brake operating handle of handle and break, connecting rod has the waling stripe that is hinged and connected successively, commutation hinge and vertical links, the length of connecting rod controlling device is arranged respectively on waling stripe and the vertical links, be connected with the elastic element that can make waling stripe or vertical links be subject to axial tensile force on described waling stripe or the vertical links, it is characterized in that: when described waling stripe is connected with elastic element, this elastic element is the outer end that is connected between the adjacent termination of the waling stripe that is divided into two sections or is connected in waling stripe, when elastic element is connected between the adjacent termination of the waling stripe that is divided into two sections, the structure of this elastic element comprises the boss that is connected in a termination and the pipe that is connected in another termination, described boss is in pipe, the mouth of pipe of pipe has ring mouth of pipe plug, the internal diameter of ring mouth of pipe plug matches with the external diameter of waling stripe, in the pipe, between described boss and the mouth of pipe plug helical spring is arranged, dish spring or rubber spring, perhaps the structure of this elastic element comprise be connected in respectively two terminations in, outer pipe, in, outer pipe is nested together coaxially, in, the axis of outer pipe and the axis of waling stripe are on same straight line, relative axial circular through hole is arranged on the middle tube wall of outer pipe, interior pipe near on the tube wall of the first side of rod end relative axial circular through hole is arranged repeatedly, on the tube wall of a side of interior pipe away from the company link end relative axial rectangular through hole is arranged, the length direction of rectangular through hole is parallel with the axis of pipe, be installed with rear radial bars in the axial circular through hole of outer pipe and the axial rectangular through hole of interior pipe, be installed with front radial bars in the axial circular through hole of interior pipe, in the interior pipe, be connected with draft helical spring between front radial bars and the rear radial bars, when elastic element is connected in the outer end of waling stripe, this elastic element has rectangular frame, the inner of rectangular frame is connected in the outer end of waling stripe, the outer end of rectangular frame is connected with screw rod, there is relative strip hole the both sides of rectangular frame, Π shape frame is arranged in the rectangular frame, there is boss the outer end of Π shape frame, operating handle is hinged in the strip hole of the inner of Π shape frame and rectangular frame both sides, the outer end plate that the useful nut in the screw rod outside links to each other, on the screw rod, between the boss of outer end plate and Π shape frame outer end, helical spring is arranged, dish spring or rubber spring, perhaps this elastic element has Π shape frame, be connected in the rear end of waling stripe at the bottom of the front end frame of Π shape frame, there is relative strip hole the both sides of Π shape frame back segment, there is relative circular hole the both sides of Π shape frame leading portion, be installed with rear transverse rod in the strip hole, be installed with front cross bar in the circular hole, brake operating lever is hinged on the rear transverse rod, is connected with respectively draft helical spring between the left end of front cross bar and rear transverse rod and between the right-hand member; When described vertical links is connected with elastic element, this elastic element is to be connected between the adjacent termination of the vertical links that is divided into two sections or in the upper end of vertical links, when elastic element is connected between the adjacent termination of the vertical links that is divided into two sections, the structure of this elastic element comprises the boss that is connected in a termination and the pipe that is connected in another termination, described boss is in pipe, the mouth of pipe of pipe has ring mouth of pipe plug, the internal diameter of ring mouth of pipe plug matches with the external diameter of vertical links, in the pipe, between described boss and the mouth of pipe plug helical spring is arranged, dish spring or rubber spring, perhaps the structure of this elastic element comprise be connected in respectively two terminations in, outer pipe, in, outer pipe is nested together coaxially, in, the axis of outer pipe and the axis of vertical links are on same straight line, relative axial circular through hole is arranged on the middle tube wall of outer pipe, interior pipe near on the tube wall of the first side of rod end relative axial circular through hole is arranged repeatedly, on the tube wall of a side of interior pipe away from the company link end relative axial rectangular through hole is arranged, the length direction of rectangular through hole is parallel with the axis of pipe, be installed with rear radial bars in the axial circular through hole of outer pipe and the axial rectangular through hole of interior pipe, be installed with front radial bars in the axial circular through hole of interior pipe, in the interior pipe, be connected with draft helical spring between front radial bars and the rear radial bars, when elastic element is connected in the upper end of vertical links, this elastic element has rectangular frame, the lower end of rectangular frame is connected in the upper end of vertical links, the upper end of rectangular frame is connected with screw rod, there is relative strip hole the both sides of rectangular frame, one end of break fork is hinged in the relative strip hole in rectangular frame both sides, in the rectangular frame, the above-mentioned rounded end top of break fork is connected with lower end sheet, the upper head plate that the useful nut in screw rod top links to each other, on the screw rod, between lower end sheet and upper head plate, helical spring is arranged, dish spring or rubber spring, perhaps this elastic element has rectangular frame, the lower end of rectangular frame is connected in the upper end of vertical links, there is relative strip hole the both sides of rectangular frame epimere, there is relative circular hole the both sides of rectangular frame hypomere, be installed with upper cross bar in the strip hole, be installed with lower cross bar in the circular hole, one end of break fork is hinged on the upper cross bar, is connected with respectively extension spring between the left end of upper cross bar and lower cross bar and between the right-hand member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110207294 CN102392861B (en) | 2011-07-22 | 2011-07-22 | Safe brake device of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110207294 CN102392861B (en) | 2011-07-22 | 2011-07-22 | Safe brake device of oil pumping unit |
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| Publication Number | Publication Date |
|---|---|
| CN102392861A CN102392861A (en) | 2012-03-28 |
| CN102392861B true CN102392861B (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110207294 Expired - Fee Related CN102392861B (en) | 2011-07-22 | 2011-07-22 | Safe brake device of oil pumping unit |
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| CN (1) | CN102392861B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106015394A (en) * | 2016-07-07 | 2016-10-12 | 刘昆明 | Direct drive motor outer locking brake device for walking beam type oil pumping machine |
| CN105978216A (en) * | 2016-07-07 | 2016-09-28 | 刘昆明 | Direct drive motor gear drive locking device for beam-pumping unit |
| CN109235997B (en) * | 2018-10-09 | 2021-04-13 | 山东宾利环保科技有限公司 | Vertical circulation type stereo garage speed control device |
| CN113847514B (en) * | 2021-08-17 | 2023-08-25 | 彩虹（合肥）液晶玻璃有限公司 | Range finding sensor mounting structure of prevention grinding workstation collision |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2439566Y (en) * | 2000-03-21 | 2001-07-18 | 苏志明 | Piston type braking actuating mechanism |
| CN2931855Y (en) * | 2006-04-14 | 2007-08-08 | 林伟 | Improved double-braking device of pumping unit |
| CN201013807Y (en) * | 2007-02-11 | 2008-01-30 | 辽宁省盘锦橡塑机械厂 | Outer holding type safety anti-theft brake device |
-
2011
- 2011-07-22 CN CN 201110207294 patent/CN102392861B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2439566Y (en) * | 2000-03-21 | 2001-07-18 | 苏志明 | Piston type braking actuating mechanism |
| CN2931855Y (en) * | 2006-04-14 | 2007-08-08 | 林伟 | Improved double-braking device of pumping unit |
| CN201013807Y (en) * | 2007-02-11 | 2008-01-30 | 辽宁省盘锦橡塑机械厂 | Outer holding type safety anti-theft brake device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102392861A (en) | 2012-03-28 |
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